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+From c5eb03f91f9185f4813431692f36db3862716a35 Mon Sep 17 00:00:00 2001
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+From: Phil Sutter <phil@nwl.cc>
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+Date: Tue, 13 May 2014 00:12:37 +0200
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+Subject: [PATCH] net: add ag71xx mac driver
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+
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+---
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+ arch/mips/include/asm/mach-ath79/ag71xx_platform.h | 65 +
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+ drivers/net/ethernet/atheros/Kconfig | 2 +
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+ drivers/net/ethernet/atheros/Makefile | 1 +
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+ drivers/net/ethernet/atheros/ag71xx/Kconfig | 33 +
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+ drivers/net/ethernet/atheros/ag71xx/Makefile | 15 +
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+ drivers/net/ethernet/atheros/ag71xx/ag71xx.h | 476 +++++++
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+ .../net/ethernet/atheros/ag71xx/ag71xx_ar7240.c | 1202 ++++++++++++++++++
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+ .../net/ethernet/atheros/ag71xx/ag71xx_ar8216.c | 44 +
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+ .../net/ethernet/atheros/ag71xx/ag71xx_debugfs.c | 284 +++++
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+ .../net/ethernet/atheros/ag71xx/ag71xx_ethtool.c | 124 ++
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+ drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c | 1325 ++++++++++++++++++++
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+ drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c | 318 +++++
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+ drivers/net/ethernet/atheros/ag71xx/ag71xx_phy.c | 235 ++++
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+ 13 files changed, 4124 insertions(+)
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+ create mode 100644 arch/mips/include/asm/mach-ath79/ag71xx_platform.h
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/Kconfig
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/Makefile
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx.h
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_debugfs.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c
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+ create mode 100644 drivers/net/ethernet/atheros/ag71xx/ag71xx_phy.c
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+
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+diff --git a/arch/mips/include/asm/mach-ath79/ag71xx_platform.h b/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
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+new file mode 100644
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+index 0000000..d46dc4e
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+--- /dev/null
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+@@ -0,0 +1,65 @@
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++/*
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++ * Atheros AR71xx SoC specific platform data definitions
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++ *
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++ * Copyright (C) 2008-2012 Gabor Juhos <juhosg@openwrt.org>
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++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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++ *
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++ * This program is free software; you can redistribute it and/or modify it
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++ * under the terms of the GNU General Public License version 2 as published
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++ * by the Free Software Foundation.
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++ */
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++
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++#ifndef __ASM_MACH_ATH79_PLATFORM_H
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++#define __ASM_MACH_ATH79_PLATFORM_H
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++
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++#include <linux/if_ether.h>
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++#include <linux/skbuff.h>
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++#include <linux/phy.h>
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++#include <linux/spi/spi.h>
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++
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++struct ag71xx_switch_platform_data {
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++ u8 phy4_mii_en:1;
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++ u8 phy_poll_mask;
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++};
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++
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++struct ag71xx_platform_data {
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++ phy_interface_t phy_if_mode;
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++ u32 phy_mask;
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++ int speed;
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++ int duplex;
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++ u32 reset_bit;
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++ u8 mac_addr[ETH_ALEN];
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++ struct device *mii_bus_dev;
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++
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++ u8 has_gbit:1;
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++ u8 is_ar91xx:1;
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++ u8 is_ar7240:1;
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++ u8 is_ar724x:1;
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++ u8 has_ar8216:1;
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++
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++ struct ag71xx_switch_platform_data *switch_data;
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++
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++ void (*ddr_flush)(void);
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++ void (*set_speed)(int speed);
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++
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++ u32 fifo_cfg1;
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++ u32 fifo_cfg2;
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++ u32 fifo_cfg3;
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++
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++ unsigned int max_frame_len;
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++ unsigned int desc_pktlen_mask;
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++};
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++
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++struct ag71xx_mdio_platform_data {
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++ u32 phy_mask;
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++ u8 builtin_switch:1;
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++ u8 is_ar7240:1;
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++ u8 is_ar9330:1;
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++ u8 is_ar934x:1;
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++ unsigned long mdio_clock;
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++ unsigned long ref_clock;
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++
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++ void (*reset)(struct mii_bus *bus);
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++};
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++
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++#endif /* __ASM_MACH_ATH79_PLATFORM_H */
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+diff --git a/drivers/net/ethernet/atheros/Kconfig b/drivers/net/ethernet/atheros/Kconfig
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+index 58ad37c..1fae572 100644
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+--- a/drivers/net/ethernet/atheros/Kconfig
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+@@ -80,4 +80,6 @@ config ALX
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+ To compile this driver as a module, choose M here. The module
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+ will be called alx.
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+
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++source drivers/net/ethernet/atheros/ag71xx/Kconfig
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++
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+ endif # NET_VENDOR_ATHEROS
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+diff --git a/drivers/net/ethernet/atheros/Makefile b/drivers/net/ethernet/atheros/Makefile
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+index 5cf1c65..d1c5a49 100644
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+--- a/drivers/net/ethernet/atheros/Makefile
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+@@ -2,6 +2,7 @@
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+ # Makefile for the Atheros network device drivers.
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+ #
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+
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++obj-$(CONFIG_AG71XX) += ag71xx/
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+ obj-$(CONFIG_ATL1) += atlx/
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+ obj-$(CONFIG_ATL2) += atlx/
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+ obj-$(CONFIG_ATL1E) += atl1e/
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+diff --git a/drivers/net/ethernet/atheros/ag71xx/Kconfig b/drivers/net/ethernet/atheros/ag71xx/Kconfig
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+new file mode 100644
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+index 0000000..42d544f
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+--- /dev/null
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+@@ -0,0 +1,33 @@
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++config AG71XX
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++ tristate "Atheros AR7XXX/AR9XXX built-in ethernet mac support"
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++ depends on ATH79
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++ select PHYLIB
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++ help
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++ If you wish to compile a kernel for AR7XXX/91XXX and enable
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++ ethernet support, then you should always answer Y to this.
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++
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++if AG71XX
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++
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++config AG71XX_DEBUG
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++ bool "Atheros AR71xx built-in ethernet driver debugging"
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++ default n
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++ help
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++ Atheros AR71xx built-in ethernet driver debugging messages.
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++
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++config AG71XX_DEBUG_FS
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++ bool "Atheros AR71xx built-in ethernet driver debugfs support"
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++ depends on DEBUG_FS
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++ default n
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++ help
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++ Say Y, if you need access to various statistics provided by
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++ the ag71xx driver.
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++
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++config AG71XX_AR8216_SUPPORT
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++ bool "special support for the Atheros AR8216 switch"
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++ default n
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++ default y if ATH79_MACH_WNR2000 || ATH79_MACH_MZK_W04NU
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++ help
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++ Say 'y' here if you want to enable special support for the
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++ Atheros AR8216 switch found on some boards.
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++
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++endif
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+diff --git a/drivers/net/ethernet/atheros/ag71xx/Makefile b/drivers/net/ethernet/atheros/ag71xx/Makefile
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+new file mode 100644
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+index 0000000..b3ec408
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+--- /dev/null
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+@@ -0,0 +1,15 @@
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++#
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++# Makefile for the Atheros AR71xx built-in ethernet macs
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++#
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++
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++ag71xx-y += ag71xx_main.o
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++ag71xx-y += ag71xx_ethtool.o
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++ag71xx-y += ag71xx_phy.o
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++ag71xx-y += ag71xx_mdio.o
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++ag71xx-y += ag71xx_ar7240.o
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++
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++ag71xx-$(CONFIG_AG71XX_DEBUG_FS) += ag71xx_debugfs.o
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++ag71xx-$(CONFIG_AG71XX_AR8216_SUPPORT) += ag71xx_ar8216.o
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++
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++obj-$(CONFIG_AG71XX) += ag71xx.o
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++
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+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
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+new file mode 100644
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+index 0000000..f6d85b9
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+--- /dev/null
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+@@ -0,0 +1,476 @@
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++/*
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++ * Atheros AR71xx built-in ethernet mac driver
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++ *
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++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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++ *
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++ * Based on Atheros' AG7100 driver
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++ *
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++ * This program is free software; you can redistribute it and/or modify it
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++ * under the terms of the GNU General Public License version 2 as published
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++ * by the Free Software Foundation.
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++ */
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++
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++#ifndef __AG71XX_H
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++#define __AG71XX_H
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++
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++#include <linux/kernel.h>
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++#include <linux/version.h>
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++#include <linux/module.h>
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++#include <linux/init.h>
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++#include <linux/types.h>
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++#include <linux/random.h>
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++#include <linux/spinlock.h>
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++#include <linux/interrupt.h>
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++#include <linux/platform_device.h>
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++#include <linux/ethtool.h>
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++#include <linux/etherdevice.h>
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++#include <linux/if_vlan.h>
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++#include <linux/phy.h>
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++#include <linux/skbuff.h>
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++#include <linux/dma-mapping.h>
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++#include <linux/workqueue.h>
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++
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++#include <linux/bitops.h>
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++
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++#include <asm/mach-ath79/ar71xx_regs.h>
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++#include <asm/mach-ath79/ath79.h>
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++#include <asm/mach-ath79/ag71xx_platform.h>
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++
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++#define AG71XX_DRV_NAME "ag71xx"
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++#define AG71XX_DRV_VERSION "0.5.35"
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++
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++#define AG71XX_NAPI_WEIGHT 64
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++#define AG71XX_OOM_REFILL (1 + HZ/10)
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++
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++#define AG71XX_INT_ERR (AG71XX_INT_RX_BE | AG71XX_INT_TX_BE)
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++#define AG71XX_INT_TX (AG71XX_INT_TX_PS)
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++#define AG71XX_INT_RX (AG71XX_INT_RX_PR | AG71XX_INT_RX_OF)
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++
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++#define AG71XX_INT_POLL (AG71XX_INT_RX | AG71XX_INT_TX)
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++#define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL)
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++
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++#define AG71XX_TX_MTU_LEN 1540
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++
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++#define AG71XX_TX_RING_SIZE_DEFAULT 32
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++#define AG71XX_RX_RING_SIZE_DEFAULT 128
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++
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++#define AG71XX_TX_RING_SIZE_MAX 32
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++#define AG71XX_RX_RING_SIZE_MAX 128
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++
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++#ifdef CONFIG_AG71XX_DEBUG
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++#define DBG(fmt, args...) pr_debug(fmt, ## args)
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++#else
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++#define DBG(fmt, args...) do {} while (0)
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++#endif
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++
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++#define ag71xx_assert(_cond) \
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++do { \
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++ if (_cond) \
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++ break; \
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++ printk("%s,%d: assertion failed\n", __FILE__, __LINE__); \
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++ BUG(); \
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++} while (0)
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++
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++struct ag71xx_desc {
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++ u32 data;
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++ u32 ctrl;
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++#define DESC_EMPTY BIT(31)
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++#define DESC_MORE BIT(24)
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++#define DESC_PKTLEN_M 0xfff
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++ u32 next;
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++ u32 pad;
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++} __attribute__((aligned(4)));
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++
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++struct ag71xx_buf {
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++ union {
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++ struct sk_buff *skb;
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++ void *rx_buf;
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++ };
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++ struct ag71xx_desc *desc;
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++ union {
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++ dma_addr_t dma_addr;
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++ unsigned long timestamp;
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++ };
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++ unsigned int len;
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++};
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++
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++struct ag71xx_ring {
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++ struct ag71xx_buf *buf;
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++ u8 *descs_cpu;
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++ dma_addr_t descs_dma;
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++ unsigned int desc_size;
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++ unsigned int curr;
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++ unsigned int dirty;
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++ unsigned int size;
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++};
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++
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++struct ag71xx_mdio {
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++ struct mii_bus *mii_bus;
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++ int mii_irq[PHY_MAX_ADDR];
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++ void __iomem *mdio_base;
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++ struct ag71xx_mdio_platform_data *pdata;
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++};
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++
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++struct ag71xx_int_stats {
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++ unsigned long rx_pr;
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++ unsigned long rx_be;
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++ unsigned long rx_of;
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++ unsigned long tx_ps;
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++ unsigned long tx_be;
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++ unsigned long tx_ur;
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++ unsigned long total;
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++};
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++
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++struct ag71xx_napi_stats {
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++ unsigned long napi_calls;
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++ unsigned long rx_count;
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++ unsigned long rx_packets;
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++ unsigned long rx_packets_max;
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++ unsigned long tx_count;
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++ unsigned long tx_packets;
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++ unsigned long tx_packets_max;
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++
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++ unsigned long rx[AG71XX_NAPI_WEIGHT + 1];
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++ unsigned long tx[AG71XX_NAPI_WEIGHT + 1];
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++};
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++
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++struct ag71xx_debug {
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++ struct dentry *debugfs_dir;
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++
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++ struct ag71xx_int_stats int_stats;
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++ struct ag71xx_napi_stats napi_stats;
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++};
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++
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++struct ag71xx {
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++ void __iomem *mac_base;
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++
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++ spinlock_t lock;
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++ struct platform_device *pdev;
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++ struct net_device *dev;
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++ struct napi_struct napi;
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++ u32 msg_enable;
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++
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++ struct ag71xx_desc *stop_desc;
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++ dma_addr_t stop_desc_dma;
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++
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++ struct ag71xx_ring rx_ring;
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++ struct ag71xx_ring tx_ring;
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++
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++ struct mii_bus *mii_bus;
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++ struct phy_device *phy_dev;
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++ void *phy_priv;
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++
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++ unsigned int link;
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++ unsigned int speed;
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++ int duplex;
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++
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++ unsigned int max_frame_len;
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++ unsigned int desc_pktlen_mask;
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++ unsigned int rx_buf_size;
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++
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++ struct work_struct restart_work;
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++ struct delayed_work link_work;
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++ struct timer_list oom_timer;
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++
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++#ifdef CONFIG_AG71XX_DEBUG_FS
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++ struct ag71xx_debug debug;
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++#endif
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++};
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++
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++extern struct ethtool_ops ag71xx_ethtool_ops;
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++void ag71xx_link_adjust(struct ag71xx *ag);
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++
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++int ag71xx_mdio_driver_init(void) __init;
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++void ag71xx_mdio_driver_exit(void);
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++
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++int ag71xx_phy_connect(struct ag71xx *ag);
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++void ag71xx_phy_disconnect(struct ag71xx *ag);
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++void ag71xx_phy_start(struct ag71xx *ag);
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++void ag71xx_phy_stop(struct ag71xx *ag);
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++
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++static inline struct ag71xx_platform_data *ag71xx_get_pdata(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ return ag->pdev->dev.platform_data;
|
|
|
++}
|
|
|
++
|
|
|
++static inline int ag71xx_desc_empty(struct ag71xx_desc *desc)
|
|
|
++{
|
|
|
++ return (desc->ctrl & DESC_EMPTY) != 0;
|
|
|
++}
|
|
|
++
|
|
|
++/* Register offsets */
|
|
|
++#define AG71XX_REG_MAC_CFG1 0x0000
|
|
|
++#define AG71XX_REG_MAC_CFG2 0x0004
|
|
|
++#define AG71XX_REG_MAC_IPG 0x0008
|
|
|
++#define AG71XX_REG_MAC_HDX 0x000c
|
|
|
++#define AG71XX_REG_MAC_MFL 0x0010
|
|
|
++#define AG71XX_REG_MII_CFG 0x0020
|
|
|
++#define AG71XX_REG_MII_CMD 0x0024
|
|
|
++#define AG71XX_REG_MII_ADDR 0x0028
|
|
|
++#define AG71XX_REG_MII_CTRL 0x002c
|
|
|
++#define AG71XX_REG_MII_STATUS 0x0030
|
|
|
++#define AG71XX_REG_MII_IND 0x0034
|
|
|
++#define AG71XX_REG_MAC_IFCTL 0x0038
|
|
|
++#define AG71XX_REG_MAC_ADDR1 0x0040
|
|
|
++#define AG71XX_REG_MAC_ADDR2 0x0044
|
|
|
++#define AG71XX_REG_FIFO_CFG0 0x0048
|
|
|
++#define AG71XX_REG_FIFO_CFG1 0x004c
|
|
|
++#define AG71XX_REG_FIFO_CFG2 0x0050
|
|
|
++#define AG71XX_REG_FIFO_CFG3 0x0054
|
|
|
++#define AG71XX_REG_FIFO_CFG4 0x0058
|
|
|
++#define AG71XX_REG_FIFO_CFG5 0x005c
|
|
|
++#define AG71XX_REG_FIFO_RAM0 0x0060
|
|
|
++#define AG71XX_REG_FIFO_RAM1 0x0064
|
|
|
++#define AG71XX_REG_FIFO_RAM2 0x0068
|
|
|
++#define AG71XX_REG_FIFO_RAM3 0x006c
|
|
|
++#define AG71XX_REG_FIFO_RAM4 0x0070
|
|
|
++#define AG71XX_REG_FIFO_RAM5 0x0074
|
|
|
++#define AG71XX_REG_FIFO_RAM6 0x0078
|
|
|
++#define AG71XX_REG_FIFO_RAM7 0x007c
|
|
|
++
|
|
|
++#define AG71XX_REG_TX_CTRL 0x0180
|
|
|
++#define AG71XX_REG_TX_DESC 0x0184
|
|
|
++#define AG71XX_REG_TX_STATUS 0x0188
|
|
|
++#define AG71XX_REG_RX_CTRL 0x018c
|
|
|
++#define AG71XX_REG_RX_DESC 0x0190
|
|
|
++#define AG71XX_REG_RX_STATUS 0x0194
|
|
|
++#define AG71XX_REG_INT_ENABLE 0x0198
|
|
|
++#define AG71XX_REG_INT_STATUS 0x019c
|
|
|
++
|
|
|
++#define AG71XX_REG_FIFO_DEPTH 0x01a8
|
|
|
++#define AG71XX_REG_RX_SM 0x01b0
|
|
|
++#define AG71XX_REG_TX_SM 0x01b4
|
|
|
++
|
|
|
++#define MAC_CFG1_TXE BIT(0) /* Tx Enable */
|
|
|
++#define MAC_CFG1_STX BIT(1) /* Synchronize Tx Enable */
|
|
|
++#define MAC_CFG1_RXE BIT(2) /* Rx Enable */
|
|
|
++#define MAC_CFG1_SRX BIT(3) /* Synchronize Rx Enable */
|
|
|
++#define MAC_CFG1_TFC BIT(4) /* Tx Flow Control Enable */
|
|
|
++#define MAC_CFG1_RFC BIT(5) /* Rx Flow Control Enable */
|
|
|
++#define MAC_CFG1_LB BIT(8) /* Loopback mode */
|
|
|
++#define MAC_CFG1_SR BIT(31) /* Soft Reset */
|
|
|
++
|
|
|
++#define MAC_CFG2_FDX BIT(0)
|
|
|
++#define MAC_CFG2_CRC_EN BIT(1)
|
|
|
++#define MAC_CFG2_PAD_CRC_EN BIT(2)
|
|
|
++#define MAC_CFG2_LEN_CHECK BIT(4)
|
|
|
++#define MAC_CFG2_HUGE_FRAME_EN BIT(5)
|
|
|
++#define MAC_CFG2_IF_1000 BIT(9)
|
|
|
++#define MAC_CFG2_IF_10_100 BIT(8)
|
|
|
++
|
|
|
++#define FIFO_CFG0_WTM BIT(0) /* Watermark Module */
|
|
|
++#define FIFO_CFG0_RXS BIT(1) /* Rx System Module */
|
|
|
++#define FIFO_CFG0_RXF BIT(2) /* Rx Fabric Module */
|
|
|
++#define FIFO_CFG0_TXS BIT(3) /* Tx System Module */
|
|
|
++#define FIFO_CFG0_TXF BIT(4) /* Tx Fabric Module */
|
|
|
++#define FIFO_CFG0_ALL (FIFO_CFG0_WTM | FIFO_CFG0_RXS | FIFO_CFG0_RXF \
|
|
|
++ | FIFO_CFG0_TXS | FIFO_CFG0_TXF)
|
|
|
++
|
|
|
++#define FIFO_CFG0_ENABLE_SHIFT 8
|
|
|
++
|
|
|
++#define FIFO_CFG4_DE BIT(0) /* Drop Event */
|
|
|
++#define FIFO_CFG4_DV BIT(1) /* RX_DV Event */
|
|
|
++#define FIFO_CFG4_FC BIT(2) /* False Carrier */
|
|
|
++#define FIFO_CFG4_CE BIT(3) /* Code Error */
|
|
|
++#define FIFO_CFG4_CR BIT(4) /* CRC error */
|
|
|
++#define FIFO_CFG4_LM BIT(5) /* Length Mismatch */
|
|
|
++#define FIFO_CFG4_LO BIT(6) /* Length out of range */
|
|
|
++#define FIFO_CFG4_OK BIT(7) /* Packet is OK */
|
|
|
++#define FIFO_CFG4_MC BIT(8) /* Multicast Packet */
|
|
|
++#define FIFO_CFG4_BC BIT(9) /* Broadcast Packet */
|
|
|
++#define FIFO_CFG4_DR BIT(10) /* Dribble */
|
|
|
++#define FIFO_CFG4_LE BIT(11) /* Long Event */
|
|
|
++#define FIFO_CFG4_CF BIT(12) /* Control Frame */
|
|
|
++#define FIFO_CFG4_PF BIT(13) /* Pause Frame */
|
|
|
++#define FIFO_CFG4_UO BIT(14) /* Unsupported Opcode */
|
|
|
++#define FIFO_CFG4_VT BIT(15) /* VLAN tag detected */
|
|
|
++#define FIFO_CFG4_FT BIT(16) /* Frame Truncated */
|
|
|
++#define FIFO_CFG4_UC BIT(17) /* Unicast Packet */
|
|
|
++
|
|
|
++#define FIFO_CFG5_DE BIT(0) /* Drop Event */
|
|
|
++#define FIFO_CFG5_DV BIT(1) /* RX_DV Event */
|
|
|
++#define FIFO_CFG5_FC BIT(2) /* False Carrier */
|
|
|
++#define FIFO_CFG5_CE BIT(3) /* Code Error */
|
|
|
++#define FIFO_CFG5_LM BIT(4) /* Length Mismatch */
|
|
|
++#define FIFO_CFG5_LO BIT(5) /* Length Out of Range */
|
|
|
++#define FIFO_CFG5_OK BIT(6) /* Packet is OK */
|
|
|
++#define FIFO_CFG5_MC BIT(7) /* Multicast Packet */
|
|
|
++#define FIFO_CFG5_BC BIT(8) /* Broadcast Packet */
|
|
|
++#define FIFO_CFG5_DR BIT(9) /* Dribble */
|
|
|
++#define FIFO_CFG5_CF BIT(10) /* Control Frame */
|
|
|
++#define FIFO_CFG5_PF BIT(11) /* Pause Frame */
|
|
|
++#define FIFO_CFG5_UO BIT(12) /* Unsupported Opcode */
|
|
|
++#define FIFO_CFG5_VT BIT(13) /* VLAN tag detected */
|
|
|
++#define FIFO_CFG5_LE BIT(14) /* Long Event */
|
|
|
++#define FIFO_CFG5_FT BIT(15) /* Frame Truncated */
|
|
|
++#define FIFO_CFG5_16 BIT(16) /* unknown */
|
|
|
++#define FIFO_CFG5_17 BIT(17) /* unknown */
|
|
|
++#define FIFO_CFG5_SF BIT(18) /* Short Frame */
|
|
|
++#define FIFO_CFG5_BM BIT(19) /* Byte Mode */
|
|
|
++
|
|
|
++#define AG71XX_INT_TX_PS BIT(0)
|
|
|
++#define AG71XX_INT_TX_UR BIT(1)
|
|
|
++#define AG71XX_INT_TX_BE BIT(3)
|
|
|
++#define AG71XX_INT_RX_PR BIT(4)
|
|
|
++#define AG71XX_INT_RX_OF BIT(6)
|
|
|
++#define AG71XX_INT_RX_BE BIT(7)
|
|
|
++
|
|
|
++#define MAC_IFCTL_SPEED BIT(16)
|
|
|
++
|
|
|
++#define MII_CFG_CLK_DIV_4 0
|
|
|
++#define MII_CFG_CLK_DIV_6 2
|
|
|
++#define MII_CFG_CLK_DIV_8 3
|
|
|
++#define MII_CFG_CLK_DIV_10 4
|
|
|
++#define MII_CFG_CLK_DIV_14 5
|
|
|
++#define MII_CFG_CLK_DIV_20 6
|
|
|
++#define MII_CFG_CLK_DIV_28 7
|
|
|
++#define MII_CFG_CLK_DIV_34 8
|
|
|
++#define MII_CFG_CLK_DIV_42 9
|
|
|
++#define MII_CFG_CLK_DIV_50 10
|
|
|
++#define MII_CFG_CLK_DIV_58 11
|
|
|
++#define MII_CFG_CLK_DIV_66 12
|
|
|
++#define MII_CFG_CLK_DIV_74 13
|
|
|
++#define MII_CFG_CLK_DIV_82 14
|
|
|
++#define MII_CFG_CLK_DIV_98 15
|
|
|
++#define MII_CFG_RESET BIT(31)
|
|
|
++
|
|
|
++#define MII_CMD_WRITE 0x0
|
|
|
++#define MII_CMD_READ 0x1
|
|
|
++#define MII_ADDR_SHIFT 8
|
|
|
++#define MII_IND_BUSY BIT(0)
|
|
|
++#define MII_IND_INVALID BIT(2)
|
|
|
++
|
|
|
++#define TX_CTRL_TXE BIT(0) /* Tx Enable */
|
|
|
++
|
|
|
++#define TX_STATUS_PS BIT(0) /* Packet Sent */
|
|
|
++#define TX_STATUS_UR BIT(1) /* Tx Underrun */
|
|
|
++#define TX_STATUS_BE BIT(3) /* Bus Error */
|
|
|
++
|
|
|
++#define RX_CTRL_RXE BIT(0) /* Rx Enable */
|
|
|
++
|
|
|
++#define RX_STATUS_PR BIT(0) /* Packet Received */
|
|
|
++#define RX_STATUS_OF BIT(2) /* Rx Overflow */
|
|
|
++#define RX_STATUS_BE BIT(3) /* Bus Error */
|
|
|
++
|
|
|
++static inline void ag71xx_check_reg_offset(struct ag71xx *ag, unsigned reg)
|
|
|
++{
|
|
|
++ switch (reg) {
|
|
|
++ case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
|
|
|
++ case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_TX_SM:
|
|
|
++ case AG71XX_REG_MII_CFG:
|
|
|
++ break;
|
|
|
++
|
|
|
++ default:
|
|
|
++ BUG();
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
|
|
|
++{
|
|
|
++ ag71xx_check_reg_offset(ag, reg);
|
|
|
++
|
|
|
++ __raw_writel(value, ag->mac_base + reg);
|
|
|
++ /* flush write */
|
|
|
++ (void) __raw_readl(ag->mac_base + reg);
|
|
|
++}
|
|
|
++
|
|
|
++static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
|
|
|
++{
|
|
|
++ ag71xx_check_reg_offset(ag, reg);
|
|
|
++
|
|
|
++ return __raw_readl(ag->mac_base + reg);
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
|
|
|
++{
|
|
|
++ void __iomem *r;
|
|
|
++
|
|
|
++ ag71xx_check_reg_offset(ag, reg);
|
|
|
++
|
|
|
++ r = ag->mac_base + reg;
|
|
|
++ __raw_writel(__raw_readl(r) | mask, r);
|
|
|
++ /* flush write */
|
|
|
++ (void)__raw_readl(r);
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
|
|
|
++{
|
|
|
++ void __iomem *r;
|
|
|
++
|
|
|
++ ag71xx_check_reg_offset(ag, reg);
|
|
|
++
|
|
|
++ r = ag->mac_base + reg;
|
|
|
++ __raw_writel(__raw_readl(r) & ~mask, r);
|
|
|
++ /* flush write */
|
|
|
++ (void) __raw_readl(r);
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_int_enable(struct ag71xx *ag, u32 ints)
|
|
|
++{
|
|
|
++ ag71xx_sb(ag, AG71XX_REG_INT_ENABLE, ints);
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
|
|
|
++{
|
|
|
++ ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints);
|
|
|
++}
|
|
|
++
|
|
|
++#ifdef CONFIG_AG71XX_AR8216_SUPPORT
|
|
|
++void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb);
|
|
|
++int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb,
|
|
|
++ int pktlen);
|
|
|
++static inline int ag71xx_has_ar8216(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ return ag71xx_get_pdata(ag)->has_ar8216;
|
|
|
++}
|
|
|
++#else
|
|
|
++static inline void ag71xx_add_ar8216_header(struct ag71xx *ag,
|
|
|
++ struct sk_buff *skb)
|
|
|
++{
|
|
|
++}
|
|
|
++
|
|
|
++static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag,
|
|
|
++ struct sk_buff *skb,
|
|
|
++ int pktlen)
|
|
|
++{
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++static inline int ag71xx_has_ar8216(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++#endif
|
|
|
++
|
|
|
++#ifdef CONFIG_AG71XX_DEBUG_FS
|
|
|
++int ag71xx_debugfs_root_init(void);
|
|
|
++void ag71xx_debugfs_root_exit(void);
|
|
|
++int ag71xx_debugfs_init(struct ag71xx *ag);
|
|
|
++void ag71xx_debugfs_exit(struct ag71xx *ag);
|
|
|
++void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status);
|
|
|
++void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx);
|
|
|
++#else
|
|
|
++static inline int ag71xx_debugfs_root_init(void) { return 0; }
|
|
|
++static inline void ag71xx_debugfs_root_exit(void) {}
|
|
|
++static inline int ag71xx_debugfs_init(struct ag71xx *ag) { return 0; }
|
|
|
++static inline void ag71xx_debugfs_exit(struct ag71xx *ag) {}
|
|
|
++static inline void ag71xx_debugfs_update_int_stats(struct ag71xx *ag,
|
|
|
++ u32 status) {}
|
|
|
++static inline void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag,
|
|
|
++ int rx, int tx) {}
|
|
|
++#endif /* CONFIG_AG71XX_DEBUG_FS */
|
|
|
++
|
|
|
++void ag71xx_ar7240_start(struct ag71xx *ag);
|
|
|
++void ag71xx_ar7240_stop(struct ag71xx *ag);
|
|
|
++int ag71xx_ar7240_init(struct ag71xx *ag);
|
|
|
++void ag71xx_ar7240_cleanup(struct ag71xx *ag);
|
|
|
++
|
|
|
++int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg);
|
|
|
++void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val);
|
|
|
++
|
|
|
++u16 ar7240sw_phy_read(struct mii_bus *mii, unsigned phy_addr,
|
|
|
++ unsigned reg_addr);
|
|
|
++int ar7240sw_phy_write(struct mii_bus *mii, unsigned phy_addr,
|
|
|
++ unsigned reg_addr, u16 reg_val);
|
|
|
++
|
|
|
++#endif /* _AG71XX_H */
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..d4ccc02
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,1202 @@
|
|
|
++/*
|
|
|
++ * Driver for the built-in ethernet switch of the Atheros AR7240 SoC
|
|
|
++ * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (c) 2010 Felix Fietkau <nbd@openwrt.org>
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ *
|
|
|
++ */
|
|
|
++
|
|
|
++#include <linux/etherdevice.h>
|
|
|
++#include <linux/list.h>
|
|
|
++#include <linux/netdevice.h>
|
|
|
++#include <linux/phy.h>
|
|
|
++#include <linux/mii.h>
|
|
|
++#include <linux/bitops.h>
|
|
|
++#include <linux/switch.h>
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++#define BITM(_count) (BIT(_count) - 1)
|
|
|
++#define BITS(_shift, _count) (BITM(_count) << _shift)
|
|
|
++
|
|
|
++#define AR7240_REG_MASK_CTRL 0x00
|
|
|
++#define AR7240_MASK_CTRL_REVISION_M BITM(8)
|
|
|
++#define AR7240_MASK_CTRL_VERSION_M BITM(8)
|
|
|
++#define AR7240_MASK_CTRL_VERSION_S 8
|
|
|
++#define AR7240_MASK_CTRL_VERSION_AR7240 0x01
|
|
|
++#define AR7240_MASK_CTRL_VERSION_AR934X 0x02
|
|
|
++#define AR7240_MASK_CTRL_SOFT_RESET BIT(31)
|
|
|
++
|
|
|
++#define AR7240_REG_MAC_ADDR0 0x20
|
|
|
++#define AR7240_REG_MAC_ADDR1 0x24
|
|
|
++
|
|
|
++#define AR7240_REG_FLOOD_MASK 0x2c
|
|
|
++#define AR7240_FLOOD_MASK_BROAD_TO_CPU BIT(26)
|
|
|
++
|
|
|
++#define AR7240_REG_GLOBAL_CTRL 0x30
|
|
|
++#define AR7240_GLOBAL_CTRL_MTU_M BITM(11)
|
|
|
++#define AR9340_GLOBAL_CTRL_MTU_M BITM(14)
|
|
|
++
|
|
|
++#define AR7240_REG_VTU 0x0040
|
|
|
++#define AR7240_VTU_OP BITM(3)
|
|
|
++#define AR7240_VTU_OP_NOOP 0x0
|
|
|
++#define AR7240_VTU_OP_FLUSH 0x1
|
|
|
++#define AR7240_VTU_OP_LOAD 0x2
|
|
|
++#define AR7240_VTU_OP_PURGE 0x3
|
|
|
++#define AR7240_VTU_OP_REMOVE_PORT 0x4
|
|
|
++#define AR7240_VTU_ACTIVE BIT(3)
|
|
|
++#define AR7240_VTU_FULL BIT(4)
|
|
|
++#define AR7240_VTU_PORT BITS(8, 4)
|
|
|
++#define AR7240_VTU_PORT_S 8
|
|
|
++#define AR7240_VTU_VID BITS(16, 12)
|
|
|
++#define AR7240_VTU_VID_S 16
|
|
|
++#define AR7240_VTU_PRIO BITS(28, 3)
|
|
|
++#define AR7240_VTU_PRIO_S 28
|
|
|
++#define AR7240_VTU_PRIO_EN BIT(31)
|
|
|
++
|
|
|
++#define AR7240_REG_VTU_DATA 0x0044
|
|
|
++#define AR7240_VTUDATA_MEMBER BITS(0, 10)
|
|
|
++#define AR7240_VTUDATA_VALID BIT(11)
|
|
|
++
|
|
|
++#define AR7240_REG_ATU 0x50
|
|
|
++#define AR7240_ATU_FLUSH_ALL 0x1
|
|
|
++
|
|
|
++#define AR7240_REG_AT_CTRL 0x5c
|
|
|
++#define AR7240_AT_CTRL_AGE_TIME BITS(0, 15)
|
|
|
++#define AR7240_AT_CTRL_AGE_EN BIT(17)
|
|
|
++#define AR7240_AT_CTRL_LEARN_CHANGE BIT(18)
|
|
|
++#define AR7240_AT_CTRL_RESERVED BIT(19)
|
|
|
++#define AR7240_AT_CTRL_ARP_EN BIT(20)
|
|
|
++
|
|
|
++#define AR7240_REG_TAG_PRIORITY 0x70
|
|
|
++
|
|
|
++#define AR7240_REG_SERVICE_TAG 0x74
|
|
|
++#define AR7240_SERVICE_TAG_M BITM(16)
|
|
|
++
|
|
|
++#define AR7240_REG_CPU_PORT 0x78
|
|
|
++#define AR7240_MIRROR_PORT_S 4
|
|
|
++#define AR7240_CPU_PORT_EN BIT(8)
|
|
|
++
|
|
|
++#define AR7240_REG_MIB_FUNCTION0 0x80
|
|
|
++#define AR7240_MIB_TIMER_M BITM(16)
|
|
|
++#define AR7240_MIB_AT_HALF_EN BIT(16)
|
|
|
++#define AR7240_MIB_BUSY BIT(17)
|
|
|
++#define AR7240_MIB_FUNC_S 24
|
|
|
++#define AR7240_MIB_FUNC_M BITM(3)
|
|
|
++#define AR7240_MIB_FUNC_NO_OP 0x0
|
|
|
++#define AR7240_MIB_FUNC_FLUSH 0x1
|
|
|
++#define AR7240_MIB_FUNC_CAPTURE 0x3
|
|
|
++
|
|
|
++#define AR7240_REG_MDIO_CTRL 0x98
|
|
|
++#define AR7240_MDIO_CTRL_DATA_M BITM(16)
|
|
|
++#define AR7240_MDIO_CTRL_REG_ADDR_S 16
|
|
|
++#define AR7240_MDIO_CTRL_PHY_ADDR_S 21
|
|
|
++#define AR7240_MDIO_CTRL_CMD_WRITE 0
|
|
|
++#define AR7240_MDIO_CTRL_CMD_READ BIT(27)
|
|
|
++#define AR7240_MDIO_CTRL_MASTER_EN BIT(30)
|
|
|
++#define AR7240_MDIO_CTRL_BUSY BIT(31)
|
|
|
++
|
|
|
++#define AR7240_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100)
|
|
|
++
|
|
|
++#define AR7240_REG_PORT_STATUS(_port) (AR7240_REG_PORT_BASE((_port)) + 0x00)
|
|
|
++#define AR7240_PORT_STATUS_SPEED_S 0
|
|
|
++#define AR7240_PORT_STATUS_SPEED_M BITM(2)
|
|
|
++#define AR7240_PORT_STATUS_SPEED_10 0
|
|
|
++#define AR7240_PORT_STATUS_SPEED_100 1
|
|
|
++#define AR7240_PORT_STATUS_SPEED_1000 2
|
|
|
++#define AR7240_PORT_STATUS_TXMAC BIT(2)
|
|
|
++#define AR7240_PORT_STATUS_RXMAC BIT(3)
|
|
|
++#define AR7240_PORT_STATUS_TXFLOW BIT(4)
|
|
|
++#define AR7240_PORT_STATUS_RXFLOW BIT(5)
|
|
|
++#define AR7240_PORT_STATUS_DUPLEX BIT(6)
|
|
|
++#define AR7240_PORT_STATUS_LINK_UP BIT(8)
|
|
|
++#define AR7240_PORT_STATUS_LINK_AUTO BIT(9)
|
|
|
++#define AR7240_PORT_STATUS_LINK_PAUSE BIT(10)
|
|
|
++
|
|
|
++#define AR7240_REG_PORT_CTRL(_port) (AR7240_REG_PORT_BASE((_port)) + 0x04)
|
|
|
++#define AR7240_PORT_CTRL_STATE_M BITM(3)
|
|
|
++#define AR7240_PORT_CTRL_STATE_DISABLED 0
|
|
|
++#define AR7240_PORT_CTRL_STATE_BLOCK 1
|
|
|
++#define AR7240_PORT_CTRL_STATE_LISTEN 2
|
|
|
++#define AR7240_PORT_CTRL_STATE_LEARN 3
|
|
|
++#define AR7240_PORT_CTRL_STATE_FORWARD 4
|
|
|
++#define AR7240_PORT_CTRL_LEARN_LOCK BIT(7)
|
|
|
++#define AR7240_PORT_CTRL_VLAN_MODE_S 8
|
|
|
++#define AR7240_PORT_CTRL_VLAN_MODE_KEEP 0
|
|
|
++#define AR7240_PORT_CTRL_VLAN_MODE_STRIP 1
|
|
|
++#define AR7240_PORT_CTRL_VLAN_MODE_ADD 2
|
|
|
++#define AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG 3
|
|
|
++#define AR7240_PORT_CTRL_IGMP_SNOOP BIT(10)
|
|
|
++#define AR7240_PORT_CTRL_HEADER BIT(11)
|
|
|
++#define AR7240_PORT_CTRL_MAC_LOOP BIT(12)
|
|
|
++#define AR7240_PORT_CTRL_SINGLE_VLAN BIT(13)
|
|
|
++#define AR7240_PORT_CTRL_LEARN BIT(14)
|
|
|
++#define AR7240_PORT_CTRL_DOUBLE_TAG BIT(15)
|
|
|
++#define AR7240_PORT_CTRL_MIRROR_TX BIT(16)
|
|
|
++#define AR7240_PORT_CTRL_MIRROR_RX BIT(17)
|
|
|
++
|
|
|
++#define AR7240_REG_PORT_VLAN(_port) (AR7240_REG_PORT_BASE((_port)) + 0x08)
|
|
|
++
|
|
|
++#define AR7240_PORT_VLAN_DEFAULT_ID_S 0
|
|
|
++#define AR7240_PORT_VLAN_DEST_PORTS_S 16
|
|
|
++#define AR7240_PORT_VLAN_MODE_S 30
|
|
|
++#define AR7240_PORT_VLAN_MODE_PORT_ONLY 0
|
|
|
++#define AR7240_PORT_VLAN_MODE_PORT_FALLBACK 1
|
|
|
++#define AR7240_PORT_VLAN_MODE_VLAN_ONLY 2
|
|
|
++#define AR7240_PORT_VLAN_MODE_SECURE 3
|
|
|
++
|
|
|
++
|
|
|
++#define AR7240_REG_STATS_BASE(_port) (0x20000 + (_port) * 0x100)
|
|
|
++
|
|
|
++#define AR7240_STATS_RXBROAD 0x00
|
|
|
++#define AR7240_STATS_RXPAUSE 0x04
|
|
|
++#define AR7240_STATS_RXMULTI 0x08
|
|
|
++#define AR7240_STATS_RXFCSERR 0x0c
|
|
|
++#define AR7240_STATS_RXALIGNERR 0x10
|
|
|
++#define AR7240_STATS_RXRUNT 0x14
|
|
|
++#define AR7240_STATS_RXFRAGMENT 0x18
|
|
|
++#define AR7240_STATS_RX64BYTE 0x1c
|
|
|
++#define AR7240_STATS_RX128BYTE 0x20
|
|
|
++#define AR7240_STATS_RX256BYTE 0x24
|
|
|
++#define AR7240_STATS_RX512BYTE 0x28
|
|
|
++#define AR7240_STATS_RX1024BYTE 0x2c
|
|
|
++#define AR7240_STATS_RX1518BYTE 0x30
|
|
|
++#define AR7240_STATS_RXMAXBYTE 0x34
|
|
|
++#define AR7240_STATS_RXTOOLONG 0x38
|
|
|
++#define AR7240_STATS_RXGOODBYTE 0x3c
|
|
|
++#define AR7240_STATS_RXBADBYTE 0x44
|
|
|
++#define AR7240_STATS_RXOVERFLOW 0x4c
|
|
|
++#define AR7240_STATS_FILTERED 0x50
|
|
|
++#define AR7240_STATS_TXBROAD 0x54
|
|
|
++#define AR7240_STATS_TXPAUSE 0x58
|
|
|
++#define AR7240_STATS_TXMULTI 0x5c
|
|
|
++#define AR7240_STATS_TXUNDERRUN 0x60
|
|
|
++#define AR7240_STATS_TX64BYTE 0x64
|
|
|
++#define AR7240_STATS_TX128BYTE 0x68
|
|
|
++#define AR7240_STATS_TX256BYTE 0x6c
|
|
|
++#define AR7240_STATS_TX512BYTE 0x70
|
|
|
++#define AR7240_STATS_TX1024BYTE 0x74
|
|
|
++#define AR7240_STATS_TX1518BYTE 0x78
|
|
|
++#define AR7240_STATS_TXMAXBYTE 0x7c
|
|
|
++#define AR7240_STATS_TXOVERSIZE 0x80
|
|
|
++#define AR7240_STATS_TXBYTE 0x84
|
|
|
++#define AR7240_STATS_TXCOLLISION 0x8c
|
|
|
++#define AR7240_STATS_TXABORTCOL 0x90
|
|
|
++#define AR7240_STATS_TXMULTICOL 0x94
|
|
|
++#define AR7240_STATS_TXSINGLECOL 0x98
|
|
|
++#define AR7240_STATS_TXEXCDEFER 0x9c
|
|
|
++#define AR7240_STATS_TXDEFER 0xa0
|
|
|
++#define AR7240_STATS_TXLATECOL 0xa4
|
|
|
++
|
|
|
++#define AR7240_PORT_CPU 0
|
|
|
++#define AR7240_NUM_PORTS 6
|
|
|
++#define AR7240_NUM_PHYS 5
|
|
|
++
|
|
|
++#define AR7240_PHY_ID1 0x004d
|
|
|
++#define AR7240_PHY_ID2 0xd041
|
|
|
++
|
|
|
++#define AR934X_PHY_ID1 0x004d
|
|
|
++#define AR934X_PHY_ID2 0xd042
|
|
|
++
|
|
|
++#define AR7240_MAX_VLANS 16
|
|
|
++
|
|
|
++#define AR934X_REG_OPER_MODE0 0x04
|
|
|
++#define AR934X_OPER_MODE0_MAC_GMII_EN BIT(6)
|
|
|
++#define AR934X_OPER_MODE0_PHY_MII_EN BIT(10)
|
|
|
++
|
|
|
++#define AR934X_REG_OPER_MODE1 0x08
|
|
|
++#define AR934X_REG_OPER_MODE1_PHY4_MII_EN BIT(28)
|
|
|
++
|
|
|
++#define AR934X_REG_FLOOD_MASK 0x2c
|
|
|
++#define AR934X_FLOOD_MASK_MC_DP(_p) BIT(16 + (_p))
|
|
|
++#define AR934X_FLOOD_MASK_BC_DP(_p) BIT(25 + (_p))
|
|
|
++
|
|
|
++#define AR934X_REG_QM_CTRL 0x3c
|
|
|
++#define AR934X_QM_CTRL_ARP_EN BIT(15)
|
|
|
++
|
|
|
++#define AR934X_REG_AT_CTRL 0x5c
|
|
|
++#define AR934X_AT_CTRL_AGE_TIME BITS(0, 15)
|
|
|
++#define AR934X_AT_CTRL_AGE_EN BIT(17)
|
|
|
++#define AR934X_AT_CTRL_LEARN_CHANGE BIT(18)
|
|
|
++
|
|
|
++#define AR934X_MIB_ENABLE BIT(30)
|
|
|
++
|
|
|
++#define AR934X_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100)
|
|
|
++
|
|
|
++#define AR934X_REG_PORT_VLAN1(_port) (AR934X_REG_PORT_BASE((_port)) + 0x08)
|
|
|
++#define AR934X_PORT_VLAN1_DEFAULT_SVID_S 0
|
|
|
++#define AR934X_PORT_VLAN1_FORCE_DEFAULT_VID_EN BIT(12)
|
|
|
++#define AR934X_PORT_VLAN1_PORT_TLS_MODE BIT(13)
|
|
|
++#define AR934X_PORT_VLAN1_PORT_VLAN_PROP_EN BIT(14)
|
|
|
++#define AR934X_PORT_VLAN1_PORT_CLONE_EN BIT(15)
|
|
|
++#define AR934X_PORT_VLAN1_DEFAULT_CVID_S 16
|
|
|
++#define AR934X_PORT_VLAN1_FORCE_PORT_VLAN_EN BIT(28)
|
|
|
++#define AR934X_PORT_VLAN1_ING_PORT_PRI_S 29
|
|
|
++
|
|
|
++#define AR934X_REG_PORT_VLAN2(_port) (AR934X_REG_PORT_BASE((_port)) + 0x0c)
|
|
|
++#define AR934X_PORT_VLAN2_PORT_VID_MEM_S 16
|
|
|
++#define AR934X_PORT_VLAN2_8021Q_MODE_S 30
|
|
|
++#define AR934X_PORT_VLAN2_8021Q_MODE_PORT_ONLY 0
|
|
|
++#define AR934X_PORT_VLAN2_8021Q_MODE_PORT_FALLBACK 1
|
|
|
++#define AR934X_PORT_VLAN2_8021Q_MODE_VLAN_ONLY 2
|
|
|
++#define AR934X_PORT_VLAN2_8021Q_MODE_SECURE 3
|
|
|
++
|
|
|
++#define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev)
|
|
|
++
|
|
|
++struct ar7240sw_port_stat {
|
|
|
++ unsigned long rx_broadcast;
|
|
|
++ unsigned long rx_pause;
|
|
|
++ unsigned long rx_multicast;
|
|
|
++ unsigned long rx_fcs_error;
|
|
|
++ unsigned long rx_align_error;
|
|
|
++ unsigned long rx_runt;
|
|
|
++ unsigned long rx_fragments;
|
|
|
++ unsigned long rx_64byte;
|
|
|
++ unsigned long rx_128byte;
|
|
|
++ unsigned long rx_256byte;
|
|
|
++ unsigned long rx_512byte;
|
|
|
++ unsigned long rx_1024byte;
|
|
|
++ unsigned long rx_1518byte;
|
|
|
++ unsigned long rx_maxbyte;
|
|
|
++ unsigned long rx_toolong;
|
|
|
++ unsigned long rx_good_byte;
|
|
|
++ unsigned long rx_bad_byte;
|
|
|
++ unsigned long rx_overflow;
|
|
|
++ unsigned long filtered;
|
|
|
++
|
|
|
++ unsigned long tx_broadcast;
|
|
|
++ unsigned long tx_pause;
|
|
|
++ unsigned long tx_multicast;
|
|
|
++ unsigned long tx_underrun;
|
|
|
++ unsigned long tx_64byte;
|
|
|
++ unsigned long tx_128byte;
|
|
|
++ unsigned long tx_256byte;
|
|
|
++ unsigned long tx_512byte;
|
|
|
++ unsigned long tx_1024byte;
|
|
|
++ unsigned long tx_1518byte;
|
|
|
++ unsigned long tx_maxbyte;
|
|
|
++ unsigned long tx_oversize;
|
|
|
++ unsigned long tx_byte;
|
|
|
++ unsigned long tx_collision;
|
|
|
++ unsigned long tx_abortcol;
|
|
|
++ unsigned long tx_multicol;
|
|
|
++ unsigned long tx_singlecol;
|
|
|
++ unsigned long tx_excdefer;
|
|
|
++ unsigned long tx_defer;
|
|
|
++ unsigned long tx_xlatecol;
|
|
|
++};
|
|
|
++
|
|
|
++struct ar7240sw {
|
|
|
++ struct mii_bus *mii_bus;
|
|
|
++ struct ag71xx_switch_platform_data *swdata;
|
|
|
++ struct switch_dev swdev;
|
|
|
++ int num_ports;
|
|
|
++ u8 ver;
|
|
|
++ bool vlan;
|
|
|
++ u16 vlan_id[AR7240_MAX_VLANS];
|
|
|
++ u8 vlan_table[AR7240_MAX_VLANS];
|
|
|
++ u8 vlan_tagged;
|
|
|
++ u16 pvid[AR7240_NUM_PORTS];
|
|
|
++ char buf[80];
|
|
|
++
|
|
|
++ rwlock_t stats_lock;
|
|
|
++ struct ar7240sw_port_stat port_stats[AR7240_NUM_PORTS];
|
|
|
++};
|
|
|
++
|
|
|
++struct ar7240sw_hw_stat {
|
|
|
++ char string[ETH_GSTRING_LEN];
|
|
|
++ int sizeof_stat;
|
|
|
++ int reg;
|
|
|
++};
|
|
|
++
|
|
|
++static DEFINE_MUTEX(reg_mutex);
|
|
|
++
|
|
|
++static inline int sw_is_ar7240(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ return as->ver == AR7240_MASK_CTRL_VERSION_AR7240;
|
|
|
++}
|
|
|
++
|
|
|
++static inline int sw_is_ar934x(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ return as->ver == AR7240_MASK_CTRL_VERSION_AR934X;
|
|
|
++}
|
|
|
++
|
|
|
++static inline u32 ar7240sw_port_mask(struct ar7240sw *as, int port)
|
|
|
++{
|
|
|
++ return BIT(port);
|
|
|
++}
|
|
|
++
|
|
|
++static inline u32 ar7240sw_port_mask_all(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ return BIT(as->swdev.ports) - 1;
|
|
|
++}
|
|
|
++
|
|
|
++static inline u32 ar7240sw_port_mask_but(struct ar7240sw *as, int port)
|
|
|
++{
|
|
|
++ return ar7240sw_port_mask_all(as) & ~BIT(port);
|
|
|
++}
|
|
|
++
|
|
|
++static inline u16 mk_phy_addr(u32 reg)
|
|
|
++{
|
|
|
++ return 0x17 & ((reg >> 4) | 0x10);
|
|
|
++}
|
|
|
++
|
|
|
++static inline u16 mk_phy_reg(u32 reg)
|
|
|
++{
|
|
|
++ return (reg << 1) & 0x1e;
|
|
|
++}
|
|
|
++
|
|
|
++static inline u16 mk_high_addr(u32 reg)
|
|
|
++{
|
|
|
++ return (reg >> 7) & 0x1ff;
|
|
|
++}
|
|
|
++
|
|
|
++static u32 __ar7240sw_reg_read(struct mii_bus *mii, u32 reg)
|
|
|
++{
|
|
|
++ unsigned long flags;
|
|
|
++ u16 phy_addr;
|
|
|
++ u16 phy_reg;
|
|
|
++ u32 hi, lo;
|
|
|
++
|
|
|
++ reg = (reg & 0xfffffffc) >> 2;
|
|
|
++ phy_addr = mk_phy_addr(reg);
|
|
|
++ phy_reg = mk_phy_reg(reg);
|
|
|
++
|
|
|
++ local_irq_save(flags);
|
|
|
++ ag71xx_mdio_mii_write(mii->priv, 0x1f, 0x10, mk_high_addr(reg));
|
|
|
++ lo = (u32) ag71xx_mdio_mii_read(mii->priv, phy_addr, phy_reg);
|
|
|
++ hi = (u32) ag71xx_mdio_mii_read(mii->priv, phy_addr, phy_reg + 1);
|
|
|
++ local_irq_restore(flags);
|
|
|
++
|
|
|
++ return (hi << 16) | lo;
|
|
|
++}
|
|
|
++
|
|
|
++static void __ar7240sw_reg_write(struct mii_bus *mii, u32 reg, u32 val)
|
|
|
++{
|
|
|
++ unsigned long flags;
|
|
|
++ u16 phy_addr;
|
|
|
++ u16 phy_reg;
|
|
|
++
|
|
|
++ reg = (reg & 0xfffffffc) >> 2;
|
|
|
++ phy_addr = mk_phy_addr(reg);
|
|
|
++ phy_reg = mk_phy_reg(reg);
|
|
|
++
|
|
|
++ local_irq_save(flags);
|
|
|
++ ag71xx_mdio_mii_write(mii->priv, 0x1f, 0x10, mk_high_addr(reg));
|
|
|
++ ag71xx_mdio_mii_write(mii->priv, phy_addr, phy_reg + 1, (val >> 16));
|
|
|
++ ag71xx_mdio_mii_write(mii->priv, phy_addr, phy_reg, (val & 0xffff));
|
|
|
++ local_irq_restore(flags);
|
|
|
++}
|
|
|
++
|
|
|
++static u32 ar7240sw_reg_read(struct mii_bus *mii, u32 reg_addr)
|
|
|
++{
|
|
|
++ u32 ret;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ ret = __ar7240sw_reg_read(mii, reg_addr);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void ar7240sw_reg_write(struct mii_bus *mii, u32 reg_addr, u32 reg_val)
|
|
|
++{
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ __ar7240sw_reg_write(mii, reg_addr, reg_val);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++}
|
|
|
++
|
|
|
++static u32 ar7240sw_reg_rmw(struct mii_bus *mii, u32 reg, u32 mask, u32 val)
|
|
|
++{
|
|
|
++ u32 t;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ t = __ar7240sw_reg_read(mii, reg);
|
|
|
++ t &= ~mask;
|
|
|
++ t |= val;
|
|
|
++ __ar7240sw_reg_write(mii, reg, t);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++
|
|
|
++ return t;
|
|
|
++}
|
|
|
++
|
|
|
++static void ar7240sw_reg_set(struct mii_bus *mii, u32 reg, u32 val)
|
|
|
++{
|
|
|
++ u32 t;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ t = __ar7240sw_reg_read(mii, reg);
|
|
|
++ t |= val;
|
|
|
++ __ar7240sw_reg_write(mii, reg, t);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++}
|
|
|
++
|
|
|
++static int __ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
|
|
|
++ unsigned timeout)
|
|
|
++{
|
|
|
++ int i;
|
|
|
++
|
|
|
++ for (i = 0; i < timeout; i++) {
|
|
|
++ u32 t;
|
|
|
++
|
|
|
++ t = __ar7240sw_reg_read(mii, reg);
|
|
|
++ if ((t & mask) == val)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ msleep(1);
|
|
|
++ }
|
|
|
++
|
|
|
++ return -ETIMEDOUT;
|
|
|
++}
|
|
|
++
|
|
|
++static int ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
|
|
|
++ unsigned timeout)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ ret = __ar7240sw_reg_wait(mii, reg, mask, val, timeout);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++u16 ar7240sw_phy_read(struct mii_bus *mii, unsigned phy_addr,
|
|
|
++ unsigned reg_addr)
|
|
|
++{
|
|
|
++ u32 t, val = 0xffff;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ if (phy_addr >= AR7240_NUM_PHYS)
|
|
|
++ return 0xffff;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ t = (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
|
|
|
++ (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
|
|
|
++ AR7240_MDIO_CTRL_MASTER_EN |
|
|
|
++ AR7240_MDIO_CTRL_BUSY |
|
|
|
++ AR7240_MDIO_CTRL_CMD_READ;
|
|
|
++
|
|
|
++ __ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
|
|
|
++ err = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
|
|
|
++ AR7240_MDIO_CTRL_BUSY, 0, 5);
|
|
|
++ if (!err)
|
|
|
++ val = __ar7240sw_reg_read(mii, AR7240_REG_MDIO_CTRL);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++
|
|
|
++ return val & AR7240_MDIO_CTRL_DATA_M;
|
|
|
++}
|
|
|
++
|
|
|
++int ar7240sw_phy_write(struct mii_bus *mii, unsigned phy_addr,
|
|
|
++ unsigned reg_addr, u16 reg_val)
|
|
|
++{
|
|
|
++ u32 t;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (phy_addr >= AR7240_NUM_PHYS)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ mutex_lock(®_mutex);
|
|
|
++ t = (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
|
|
|
++ (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
|
|
|
++ AR7240_MDIO_CTRL_MASTER_EN |
|
|
|
++ AR7240_MDIO_CTRL_BUSY |
|
|
|
++ AR7240_MDIO_CTRL_CMD_WRITE |
|
|
|
++ reg_val;
|
|
|
++
|
|
|
++ __ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
|
|
|
++ ret = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
|
|
|
++ AR7240_MDIO_CTRL_BUSY, 0, 5);
|
|
|
++ mutex_unlock(®_mutex);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int ar7240sw_capture_stats(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++ int port;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ write_lock(&as->stats_lock);
|
|
|
++
|
|
|
++ /* Capture the hardware statistics for all ports */
|
|
|
++ ar7240sw_reg_rmw(mii, AR7240_REG_MIB_FUNCTION0,
|
|
|
++ (AR7240_MIB_FUNC_M << AR7240_MIB_FUNC_S),
|
|
|
++ (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S));
|
|
|
++
|
|
|
++ /* Wait for the capturing to complete. */
|
|
|
++ ret = ar7240sw_reg_wait(mii, AR7240_REG_MIB_FUNCTION0,
|
|
|
++ AR7240_MIB_BUSY, 0, 10);
|
|
|
++
|
|
|
++ if (ret)
|
|
|
++ goto unlock;
|
|
|
++
|
|
|
++ for (port = 0; port < AR7240_NUM_PORTS; port++) {
|
|
|
++ unsigned int base;
|
|
|
++ struct ar7240sw_port_stat *stats;
|
|
|
++
|
|
|
++ base = AR7240_REG_STATS_BASE(port);
|
|
|
++ stats = &as->port_stats[port];
|
|
|
++
|
|
|
++#define READ_STAT(_r) ar7240sw_reg_read(mii, base + AR7240_STATS_ ## _r)
|
|
|
++
|
|
|
++ stats->rx_good_byte += READ_STAT(RXGOODBYTE);
|
|
|
++ stats->tx_byte += READ_STAT(TXBYTE);
|
|
|
++
|
|
|
++#undef READ_STAT
|
|
|
++ }
|
|
|
++
|
|
|
++ ret = 0;
|
|
|
++
|
|
|
++unlock:
|
|
|
++ write_unlock(&as->stats_lock);
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port)
|
|
|
++{
|
|
|
++ ar7240sw_reg_write(as->mii_bus, AR7240_REG_PORT_CTRL(port),
|
|
|
++ AR7240_PORT_CTRL_STATE_DISABLED);
|
|
|
++}
|
|
|
++
|
|
|
++static void ar7240sw_setup(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++
|
|
|
++ /* Enable CPU port, and disable mirror port */
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_CPU_PORT,
|
|
|
++ AR7240_CPU_PORT_EN |
|
|
|
++ (15 << AR7240_MIRROR_PORT_S));
|
|
|
++
|
|
|
++ /* Setup TAG priority mapping */
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_TAG_PRIORITY, 0xfa50);
|
|
|
++
|
|
|
++ if (sw_is_ar934x(as)) {
|
|
|
++ /* Enable aging, MAC replacing */
|
|
|
++ ar7240sw_reg_write(mii, AR934X_REG_AT_CTRL,
|
|
|
++ 0x2b /* 5 min age time */ |
|
|
|
++ AR934X_AT_CTRL_AGE_EN |
|
|
|
++ AR934X_AT_CTRL_LEARN_CHANGE);
|
|
|
++ /* Enable ARP frame acknowledge */
|
|
|
++ ar7240sw_reg_set(mii, AR934X_REG_QM_CTRL,
|
|
|
++ AR934X_QM_CTRL_ARP_EN);
|
|
|
++ /* Enable Broadcast/Multicast frames transmitted to the CPU */
|
|
|
++ ar7240sw_reg_set(mii, AR934X_REG_FLOOD_MASK,
|
|
|
++ AR934X_FLOOD_MASK_BC_DP(0) |
|
|
|
++ AR934X_FLOOD_MASK_MC_DP(0));
|
|
|
++
|
|
|
++ /* setup MTU */
|
|
|
++ ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
|
|
|
++ AR9340_GLOBAL_CTRL_MTU_M,
|
|
|
++ AR9340_GLOBAL_CTRL_MTU_M);
|
|
|
++
|
|
|
++ /* Enable MIB counters */
|
|
|
++ ar7240sw_reg_set(mii, AR7240_REG_MIB_FUNCTION0,
|
|
|
++ AR934X_MIB_ENABLE);
|
|
|
++
|
|
|
++ } else {
|
|
|
++ /* Enable ARP frame acknowledge, aging, MAC replacing */
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_AT_CTRL,
|
|
|
++ AR7240_AT_CTRL_RESERVED |
|
|
|
++ 0x2b /* 5 min age time */ |
|
|
|
++ AR7240_AT_CTRL_AGE_EN |
|
|
|
++ AR7240_AT_CTRL_ARP_EN |
|
|
|
++ AR7240_AT_CTRL_LEARN_CHANGE);
|
|
|
++ /* Enable Broadcast frames transmitted to the CPU */
|
|
|
++ ar7240sw_reg_set(mii, AR7240_REG_FLOOD_MASK,
|
|
|
++ AR7240_FLOOD_MASK_BROAD_TO_CPU);
|
|
|
++
|
|
|
++ /* setup MTU */
|
|
|
++ ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
|
|
|
++ AR7240_GLOBAL_CTRL_MTU_M,
|
|
|
++ AR7240_GLOBAL_CTRL_MTU_M);
|
|
|
++ }
|
|
|
++
|
|
|
++ /* setup Service TAG */
|
|
|
++ ar7240sw_reg_rmw(mii, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int ar7240sw_reset(struct ar7240sw *as)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++ int ret;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ /* Set all ports to disabled state. */
|
|
|
++ for (i = 0; i < AR7240_NUM_PORTS; i++)
|
|
|
++ ar7240sw_disable_port(as, i);
|
|
|
++
|
|
|
++ /* Wait for transmit queues to drain. */
|
|
|
++ msleep(2);
|
|
|
++
|
|
|
++ /* Reset the switch. */
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_MASK_CTRL,
|
|
|
++ AR7240_MASK_CTRL_SOFT_RESET);
|
|
|
++
|
|
|
++ ret = ar7240sw_reg_wait(mii, AR7240_REG_MASK_CTRL,
|
|
|
++ AR7240_MASK_CTRL_SOFT_RESET, 0, 1000);
|
|
|
++
|
|
|
++ /* setup PHYs */
|
|
|
++ for (i = 0; i < AR7240_NUM_PHYS; i++) {
|
|
|
++ ar7240sw_phy_write(mii, i, MII_ADVERTISE,
|
|
|
++ ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
|
|
|
++ ADVERTISE_PAUSE_ASYM);
|
|
|
++ ar7240sw_phy_write(mii, i, MII_BMCR,
|
|
|
++ BMCR_RESET | BMCR_ANENABLE);
|
|
|
++ }
|
|
|
++ msleep(1000);
|
|
|
++
|
|
|
++ ar7240sw_setup(as);
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void ar7240sw_setup_port(struct ar7240sw *as, unsigned port, u8 portmask)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++ u32 ctrl;
|
|
|
++ u32 vid, mode;
|
|
|
++
|
|
|
++ ctrl = AR7240_PORT_CTRL_STATE_FORWARD | AR7240_PORT_CTRL_LEARN |
|
|
|
++ AR7240_PORT_CTRL_SINGLE_VLAN;
|
|
|
++
|
|
|
++ if (port == AR7240_PORT_CPU) {
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
|
|
|
++ AR7240_PORT_STATUS_SPEED_1000 |
|
|
|
++ AR7240_PORT_STATUS_TXFLOW |
|
|
|
++ AR7240_PORT_STATUS_RXFLOW |
|
|
|
++ AR7240_PORT_STATUS_TXMAC |
|
|
|
++ AR7240_PORT_STATUS_RXMAC |
|
|
|
++ AR7240_PORT_STATUS_DUPLEX);
|
|
|
++ } else {
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
|
|
|
++ AR7240_PORT_STATUS_LINK_AUTO);
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Set the default VID for this port */
|
|
|
++ if (as->vlan) {
|
|
|
++ vid = as->vlan_id[as->pvid[port]];
|
|
|
++ mode = AR7240_PORT_VLAN_MODE_SECURE;
|
|
|
++ } else {
|
|
|
++ vid = port;
|
|
|
++ mode = AR7240_PORT_VLAN_MODE_PORT_ONLY;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (as->vlan) {
|
|
|
++ if (as->vlan_tagged & BIT(port))
|
|
|
++ ctrl |= AR7240_PORT_CTRL_VLAN_MODE_ADD <<
|
|
|
++ AR7240_PORT_CTRL_VLAN_MODE_S;
|
|
|
++ else
|
|
|
++ ctrl |= AR7240_PORT_CTRL_VLAN_MODE_STRIP <<
|
|
|
++ AR7240_PORT_CTRL_VLAN_MODE_S;
|
|
|
++ } else {
|
|
|
++ ctrl |= AR7240_PORT_CTRL_VLAN_MODE_KEEP <<
|
|
|
++ AR7240_PORT_CTRL_VLAN_MODE_S;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (!portmask) {
|
|
|
++ if (port == AR7240_PORT_CPU)
|
|
|
++ portmask = ar7240sw_port_mask_but(as, AR7240_PORT_CPU);
|
|
|
++ else
|
|
|
++ portmask = ar7240sw_port_mask(as, AR7240_PORT_CPU);
|
|
|
++ }
|
|
|
++
|
|
|
++ /* allow the port to talk to all other ports, but exclude its
|
|
|
++ * own ID to prevent frames from being reflected back to the
|
|
|
++ * port that they came from */
|
|
|
++ portmask &= ar7240sw_port_mask_but(as, port);
|
|
|
++
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_PORT_CTRL(port), ctrl);
|
|
|
++ if (sw_is_ar934x(as)) {
|
|
|
++ u32 vlan1, vlan2;
|
|
|
++
|
|
|
++ vlan1 = (vid << AR934X_PORT_VLAN1_DEFAULT_CVID_S);
|
|
|
++ vlan2 = (portmask << AR934X_PORT_VLAN2_PORT_VID_MEM_S) |
|
|
|
++ (mode << AR934X_PORT_VLAN2_8021Q_MODE_S);
|
|
|
++ ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN1(port), vlan1);
|
|
|
++ ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN2(port), vlan2);
|
|
|
++ } else {
|
|
|
++ u32 vlan;
|
|
|
++
|
|
|
++ vlan = vid | (mode << AR7240_PORT_VLAN_MODE_S) |
|
|
|
++ (portmask << AR7240_PORT_VLAN_DEST_PORTS_S);
|
|
|
++
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_PORT_VLAN(port), vlan);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int ar7240_set_addr(struct ar7240sw *as, u8 *addr)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++ u32 t;
|
|
|
++
|
|
|
++ t = (addr[4] << 8) | addr[5];
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_MAC_ADDR0, t);
|
|
|
++
|
|
|
++ t = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_MAC_ADDR1, t);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
|
|
|
++ struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ as->vlan_id[val->port_vlan] = val->value.i;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
|
|
|
++ struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ val->value.i = as->vlan_id[val->port_vlan];
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_set_pvid(struct switch_dev *dev, int port, int vlan)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++
|
|
|
++ /* make sure no invalid PVIDs get set */
|
|
|
++
|
|
|
++ if (vlan >= dev->vlans)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ as->pvid[port] = vlan;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_pvid(struct switch_dev *dev, int port, int *vlan)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ *vlan = as->pvid[port];
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_ports(struct switch_dev *dev, struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ u8 ports = as->vlan_table[val->port_vlan];
|
|
|
++ int i;
|
|
|
++
|
|
|
++ val->len = 0;
|
|
|
++ for (i = 0; i < as->swdev.ports; i++) {
|
|
|
++ struct switch_port *p;
|
|
|
++
|
|
|
++ if (!(ports & (1 << i)))
|
|
|
++ continue;
|
|
|
++
|
|
|
++ p = &val->value.ports[val->len++];
|
|
|
++ p->id = i;
|
|
|
++ if (as->vlan_tagged & (1 << i))
|
|
|
++ p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
|
|
|
++ else
|
|
|
++ p->flags = 0;
|
|
|
++ }
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_set_ports(struct switch_dev *dev, struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ u8 *vt = &as->vlan_table[val->port_vlan];
|
|
|
++ int i, j;
|
|
|
++
|
|
|
++ *vt = 0;
|
|
|
++ for (i = 0; i < val->len; i++) {
|
|
|
++ struct switch_port *p = &val->value.ports[i];
|
|
|
++
|
|
|
++ if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED))
|
|
|
++ as->vlan_tagged |= (1 << p->id);
|
|
|
++ else {
|
|
|
++ as->vlan_tagged &= ~(1 << p->id);
|
|
|
++ as->pvid[p->id] = val->port_vlan;
|
|
|
++
|
|
|
++ /* make sure that an untagged port does not
|
|
|
++ * appear in other vlans */
|
|
|
++ for (j = 0; j < AR7240_MAX_VLANS; j++) {
|
|
|
++ if (j == val->port_vlan)
|
|
|
++ continue;
|
|
|
++ as->vlan_table[j] &= ~(1 << p->id);
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ *vt |= 1 << p->id;
|
|
|
++ }
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
|
|
|
++ struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ as->vlan = !!val->value.i;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
|
|
|
++ struct switch_val *val)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ val->value.i = as->vlan;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static void
|
|
|
++ar7240_vtu_op(struct ar7240sw *as, u32 op, u32 val)
|
|
|
++{
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++
|
|
|
++ if (ar7240sw_reg_wait(mii, AR7240_REG_VTU, AR7240_VTU_ACTIVE, 0, 5))
|
|
|
++ return;
|
|
|
++
|
|
|
++ if ((op & AR7240_VTU_OP) == AR7240_VTU_OP_LOAD) {
|
|
|
++ val &= AR7240_VTUDATA_MEMBER;
|
|
|
++ val |= AR7240_VTUDATA_VALID;
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_VTU_DATA, val);
|
|
|
++ }
|
|
|
++ op |= AR7240_VTU_ACTIVE;
|
|
|
++ ar7240sw_reg_write(mii, AR7240_REG_VTU, op);
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_hw_apply(struct switch_dev *dev)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ u8 portmask[AR7240_NUM_PORTS];
|
|
|
++ int i, j;
|
|
|
++
|
|
|
++ /* flush all vlan translation unit entries */
|
|
|
++ ar7240_vtu_op(as, AR7240_VTU_OP_FLUSH, 0);
|
|
|
++
|
|
|
++ memset(portmask, 0, sizeof(portmask));
|
|
|
++ if (as->vlan) {
|
|
|
++ /* calculate the port destination masks and load vlans
|
|
|
++ * into the vlan translation unit */
|
|
|
++ for (j = 0; j < AR7240_MAX_VLANS; j++) {
|
|
|
++ u8 vp = as->vlan_table[j];
|
|
|
++
|
|
|
++ if (!vp)
|
|
|
++ continue;
|
|
|
++
|
|
|
++ for (i = 0; i < as->swdev.ports; i++) {
|
|
|
++ u8 mask = (1 << i);
|
|
|
++ if (vp & mask)
|
|
|
++ portmask[i] |= vp & ~mask;
|
|
|
++ }
|
|
|
++
|
|
|
++ ar7240_vtu_op(as,
|
|
|
++ AR7240_VTU_OP_LOAD |
|
|
|
++ (as->vlan_id[j] << AR7240_VTU_VID_S),
|
|
|
++ as->vlan_table[j]);
|
|
|
++ }
|
|
|
++ } else {
|
|
|
++ /* vlan disabled:
|
|
|
++ * isolate all ports, but connect them to the cpu port */
|
|
|
++ for (i = 0; i < as->swdev.ports; i++) {
|
|
|
++ if (i == AR7240_PORT_CPU)
|
|
|
++ continue;
|
|
|
++
|
|
|
++ portmask[i] = 1 << AR7240_PORT_CPU;
|
|
|
++ portmask[AR7240_PORT_CPU] |= (1 << i);
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ /* update the port destination mask registers and tag settings */
|
|
|
++ for (i = 0; i < as->swdev.ports; i++)
|
|
|
++ ar7240sw_setup_port(as, i, portmask[i]);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_reset_switch(struct switch_dev *dev)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ ar7240sw_reset(as);
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_port_link(struct switch_dev *dev, int port,
|
|
|
++ struct switch_port_link *link)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++ struct mii_bus *mii = as->mii_bus;
|
|
|
++ u32 status;
|
|
|
++
|
|
|
++ if (port > AR7240_NUM_PORTS)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port));
|
|
|
++ link->aneg = !!(status & AR7240_PORT_STATUS_LINK_AUTO);
|
|
|
++ if (link->aneg) {
|
|
|
++ link->link = !!(status & AR7240_PORT_STATUS_LINK_UP);
|
|
|
++ if (!link->link)
|
|
|
++ return 0;
|
|
|
++ } else {
|
|
|
++ link->link = true;
|
|
|
++ }
|
|
|
++
|
|
|
++ link->duplex = !!(status & AR7240_PORT_STATUS_DUPLEX);
|
|
|
++ link->tx_flow = !!(status & AR7240_PORT_STATUS_TXFLOW);
|
|
|
++ link->rx_flow = !!(status & AR7240_PORT_STATUS_RXFLOW);
|
|
|
++ switch (status & AR7240_PORT_STATUS_SPEED_M) {
|
|
|
++ case AR7240_PORT_STATUS_SPEED_10:
|
|
|
++ link->speed = SWITCH_PORT_SPEED_10;
|
|
|
++ break;
|
|
|
++ case AR7240_PORT_STATUS_SPEED_100:
|
|
|
++ link->speed = SWITCH_PORT_SPEED_100;
|
|
|
++ break;
|
|
|
++ case AR7240_PORT_STATUS_SPEED_1000:
|
|
|
++ link->speed = SWITCH_PORT_SPEED_1000;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int
|
|
|
++ar7240_get_port_stats(struct switch_dev *dev, int port,
|
|
|
++ struct switch_port_stats *stats)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = sw_to_ar7240(dev);
|
|
|
++
|
|
|
++ if (port > AR7240_NUM_PORTS)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ ar7240sw_capture_stats(as);
|
|
|
++
|
|
|
++ read_lock(&as->stats_lock);
|
|
|
++ stats->rx_bytes = as->port_stats[port].rx_good_byte;
|
|
|
++ stats->tx_bytes = as->port_stats[port].tx_byte;
|
|
|
++ read_unlock(&as->stats_lock);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static struct switch_attr ar7240_globals[] = {
|
|
|
++ {
|
|
|
++ .type = SWITCH_TYPE_INT,
|
|
|
++ .name = "enable_vlan",
|
|
|
++ .description = "Enable VLAN mode",
|
|
|
++ .set = ar7240_set_vlan,
|
|
|
++ .get = ar7240_get_vlan,
|
|
|
++ .max = 1
|
|
|
++ },
|
|
|
++};
|
|
|
++
|
|
|
++static struct switch_attr ar7240_port[] = {
|
|
|
++};
|
|
|
++
|
|
|
++static struct switch_attr ar7240_vlan[] = {
|
|
|
++ {
|
|
|
++ .type = SWITCH_TYPE_INT,
|
|
|
++ .name = "vid",
|
|
|
++ .description = "VLAN ID",
|
|
|
++ .set = ar7240_set_vid,
|
|
|
++ .get = ar7240_get_vid,
|
|
|
++ .max = 4094,
|
|
|
++ },
|
|
|
++};
|
|
|
++
|
|
|
++static const struct switch_dev_ops ar7240_ops = {
|
|
|
++ .attr_global = {
|
|
|
++ .attr = ar7240_globals,
|
|
|
++ .n_attr = ARRAY_SIZE(ar7240_globals),
|
|
|
++ },
|
|
|
++ .attr_port = {
|
|
|
++ .attr = ar7240_port,
|
|
|
++ .n_attr = ARRAY_SIZE(ar7240_port),
|
|
|
++ },
|
|
|
++ .attr_vlan = {
|
|
|
++ .attr = ar7240_vlan,
|
|
|
++ .n_attr = ARRAY_SIZE(ar7240_vlan),
|
|
|
++ },
|
|
|
++ .get_port_pvid = ar7240_get_pvid,
|
|
|
++ .set_port_pvid = ar7240_set_pvid,
|
|
|
++ .get_vlan_ports = ar7240_get_ports,
|
|
|
++ .set_vlan_ports = ar7240_set_ports,
|
|
|
++ .apply_config = ar7240_hw_apply,
|
|
|
++ .reset_switch = ar7240_reset_switch,
|
|
|
++ .get_port_link = ar7240_get_port_link,
|
|
|
++ .get_port_stats = ar7240_get_port_stats,
|
|
|
++};
|
|
|
++
|
|
|
++static struct ar7240sw *ar7240_probe(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ struct mii_bus *mii = ag->mii_bus;
|
|
|
++ struct ar7240sw *as;
|
|
|
++ struct switch_dev *swdev;
|
|
|
++ u32 ctrl;
|
|
|
++ u16 phy_id1;
|
|
|
++ u16 phy_id2;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ phy_id1 = ar7240sw_phy_read(mii, 0, MII_PHYSID1);
|
|
|
++ phy_id2 = ar7240sw_phy_read(mii, 0, MII_PHYSID2);
|
|
|
++ if ((phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) &&
|
|
|
++ (phy_id1 != AR934X_PHY_ID1 || phy_id2 != AR934X_PHY_ID2)) {
|
|
|
++ pr_err("%s: unknown phy id '%04x:%04x'\n",
|
|
|
++ dev_name(&mii->dev), phy_id1, phy_id2);
|
|
|
++ return NULL;
|
|
|
++ }
|
|
|
++
|
|
|
++ as = kzalloc(sizeof(*as), GFP_KERNEL);
|
|
|
++ if (!as)
|
|
|
++ return NULL;
|
|
|
++
|
|
|
++ as->mii_bus = mii;
|
|
|
++ as->swdata = pdata->switch_data;
|
|
|
++
|
|
|
++ swdev = &as->swdev;
|
|
|
++
|
|
|
++ ctrl = ar7240sw_reg_read(mii, AR7240_REG_MASK_CTRL);
|
|
|
++ as->ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) &
|
|
|
++ AR7240_MASK_CTRL_VERSION_M;
|
|
|
++
|
|
|
++ if (sw_is_ar7240(as)) {
|
|
|
++ swdev->name = "AR7240/AR9330 built-in switch";
|
|
|
++ swdev->ports = AR7240_NUM_PORTS - 1;
|
|
|
++ } else if (sw_is_ar934x(as)) {
|
|
|
++ swdev->name = "AR934X built-in switch";
|
|
|
++
|
|
|
++ if (pdata->phy_if_mode == PHY_INTERFACE_MODE_GMII) {
|
|
|
++ ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
|
|
|
++ AR934X_OPER_MODE0_MAC_GMII_EN);
|
|
|
++ } else if (pdata->phy_if_mode == PHY_INTERFACE_MODE_MII) {
|
|
|
++ ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
|
|
|
++ AR934X_OPER_MODE0_PHY_MII_EN);
|
|
|
++ } else {
|
|
|
++ pr_err("%s: invalid PHY interface mode\n",
|
|
|
++ dev_name(&mii->dev));
|
|
|
++ goto err_free;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (as->swdata->phy4_mii_en) {
|
|
|
++ ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE1,
|
|
|
++ AR934X_REG_OPER_MODE1_PHY4_MII_EN);
|
|
|
++ swdev->ports = AR7240_NUM_PORTS - 1;
|
|
|
++ } else {
|
|
|
++ swdev->ports = AR7240_NUM_PORTS;
|
|
|
++ }
|
|
|
++ } else {
|
|
|
++ pr_err("%s: unsupported chip, ctrl=%08x\n",
|
|
|
++ dev_name(&mii->dev), ctrl);
|
|
|
++ goto err_free;
|
|
|
++ }
|
|
|
++
|
|
|
++ swdev->cpu_port = AR7240_PORT_CPU;
|
|
|
++ swdev->vlans = AR7240_MAX_VLANS;
|
|
|
++ swdev->ops = &ar7240_ops;
|
|
|
++
|
|
|
++ if (register_switch(&as->swdev, ag->dev) < 0)
|
|
|
++ goto err_free;
|
|
|
++
|
|
|
++ pr_info("%s: Found an %s\n", dev_name(&mii->dev), swdev->name);
|
|
|
++
|
|
|
++ /* initialize defaults */
|
|
|
++ for (i = 0; i < AR7240_MAX_VLANS; i++)
|
|
|
++ as->vlan_id[i] = i;
|
|
|
++
|
|
|
++ as->vlan_table[0] = ar7240sw_port_mask_all(as);
|
|
|
++
|
|
|
++ return as;
|
|
|
++
|
|
|
++err_free:
|
|
|
++ kfree(as);
|
|
|
++ return NULL;
|
|
|
++}
|
|
|
++
|
|
|
++static void link_function(struct work_struct *work) {
|
|
|
++ struct ag71xx *ag = container_of(work, struct ag71xx, link_work.work);
|
|
|
++ struct ar7240sw *as = ag->phy_priv;
|
|
|
++ unsigned long flags;
|
|
|
++ u8 mask;
|
|
|
++ int i;
|
|
|
++ int status = 0;
|
|
|
++
|
|
|
++ mask = ~as->swdata->phy_poll_mask;
|
|
|
++ for (i = 0; i < AR7240_NUM_PHYS; i++) {
|
|
|
++ int link;
|
|
|
++
|
|
|
++ if (!(mask & BIT(i)))
|
|
|
++ continue;
|
|
|
++
|
|
|
++ link = ar7240sw_phy_read(ag->mii_bus, i, MII_BMSR);
|
|
|
++ if (link & BMSR_LSTATUS) {
|
|
|
++ status = 1;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++ if (status != ag->link) {
|
|
|
++ ag->link = status;
|
|
|
++ ag71xx_link_adjust(ag);
|
|
|
++ }
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++
|
|
|
++ schedule_delayed_work(&ag->link_work, HZ / 2);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_ar7240_start(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = ag->phy_priv;
|
|
|
++
|
|
|
++ ar7240sw_reset(as);
|
|
|
++
|
|
|
++ ag->speed = SPEED_1000;
|
|
|
++ ag->duplex = 1;
|
|
|
++
|
|
|
++ ar7240_set_addr(as, ag->dev->dev_addr);
|
|
|
++ ar7240_hw_apply(&as->swdev);
|
|
|
++
|
|
|
++ schedule_delayed_work(&ag->link_work, HZ / 10);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_ar7240_stop(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ cancel_delayed_work_sync(&ag->link_work);
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_ar7240_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ar7240sw *as;
|
|
|
++
|
|
|
++ as = ar7240_probe(ag);
|
|
|
++ if (!as)
|
|
|
++ return -ENODEV;
|
|
|
++
|
|
|
++ ag->phy_priv = as;
|
|
|
++ ar7240sw_reset(as);
|
|
|
++
|
|
|
++ rwlock_init(&as->stats_lock);
|
|
|
++ INIT_DELAYED_WORK(&ag->link_work, link_function);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_ar7240_cleanup(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ar7240sw *as = ag->phy_priv;
|
|
|
++
|
|
|
++ if (!as)
|
|
|
++ return;
|
|
|
++
|
|
|
++ unregister_switch(&as->swdev);
|
|
|
++ kfree(as);
|
|
|
++ ag->phy_priv = NULL;
|
|
|
++}
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..7ec43b7
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,44 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ * Special support for the Atheros ar8216 switch chip
|
|
|
++ *
|
|
|
++ * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++#define AR8216_PACKET_TYPE_MASK 0xf
|
|
|
++#define AR8216_PACKET_TYPE_NORMAL 0
|
|
|
++
|
|
|
++#define AR8216_HEADER_LEN 2
|
|
|
++
|
|
|
++void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb)
|
|
|
++{
|
|
|
++ skb_push(skb, AR8216_HEADER_LEN);
|
|
|
++ skb->data[0] = 0x10;
|
|
|
++ skb->data[1] = 0x80;
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb,
|
|
|
++ int pktlen)
|
|
|
++{
|
|
|
++ u8 type;
|
|
|
++
|
|
|
++ type = skb->data[1] & AR8216_PACKET_TYPE_MASK;
|
|
|
++ switch (type) {
|
|
|
++ case AR8216_PACKET_TYPE_NORMAL:
|
|
|
++ break;
|
|
|
++
|
|
|
++ default:
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ skb_pull(skb, AR8216_HEADER_LEN);
|
|
|
++ return 0;
|
|
|
++}
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_debugfs.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_debugfs.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..757a572
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,284 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ *
|
|
|
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include <linux/debugfs.h>
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++static struct dentry *ag71xx_debugfs_root;
|
|
|
++
|
|
|
++static int ag71xx_debugfs_generic_open(struct inode *inode, struct file *file)
|
|
|
++{
|
|
|
++ file->private_data = inode->i_private;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status)
|
|
|
++{
|
|
|
++ if (status)
|
|
|
++ ag->debug.int_stats.total++;
|
|
|
++ if (status & AG71XX_INT_TX_PS)
|
|
|
++ ag->debug.int_stats.tx_ps++;
|
|
|
++ if (status & AG71XX_INT_TX_UR)
|
|
|
++ ag->debug.int_stats.tx_ur++;
|
|
|
++ if (status & AG71XX_INT_TX_BE)
|
|
|
++ ag->debug.int_stats.tx_be++;
|
|
|
++ if (status & AG71XX_INT_RX_PR)
|
|
|
++ ag->debug.int_stats.rx_pr++;
|
|
|
++ if (status & AG71XX_INT_RX_OF)
|
|
|
++ ag->debug.int_stats.rx_of++;
|
|
|
++ if (status & AG71XX_INT_RX_BE)
|
|
|
++ ag->debug.int_stats.rx_be++;
|
|
|
++}
|
|
|
++
|
|
|
++static ssize_t read_file_int_stats(struct file *file, char __user *user_buf,
|
|
|
++ size_t count, loff_t *ppos)
|
|
|
++{
|
|
|
++#define PR_INT_STAT(_label, _field) \
|
|
|
++ len += snprintf(buf + len, sizeof(buf) - len, \
|
|
|
++ "%20s: %10lu\n", _label, ag->debug.int_stats._field);
|
|
|
++
|
|
|
++ struct ag71xx *ag = file->private_data;
|
|
|
++ char buf[256];
|
|
|
++ unsigned int len = 0;
|
|
|
++
|
|
|
++ PR_INT_STAT("TX Packet Sent", tx_ps);
|
|
|
++ PR_INT_STAT("TX Underrun", tx_ur);
|
|
|
++ PR_INT_STAT("TX Bus Error", tx_be);
|
|
|
++ PR_INT_STAT("RX Packet Received", rx_pr);
|
|
|
++ PR_INT_STAT("RX Overflow", rx_of);
|
|
|
++ PR_INT_STAT("RX Bus Error", rx_be);
|
|
|
++ len += snprintf(buf + len, sizeof(buf) - len, "\n");
|
|
|
++ PR_INT_STAT("Total", total);
|
|
|
++
|
|
|
++ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
|
++#undef PR_INT_STAT
|
|
|
++}
|
|
|
++
|
|
|
++static const struct file_operations ag71xx_fops_int_stats = {
|
|
|
++ .open = ag71xx_debugfs_generic_open,
|
|
|
++ .read = read_file_int_stats,
|
|
|
++ .owner = THIS_MODULE
|
|
|
++};
|
|
|
++
|
|
|
++void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx)
|
|
|
++{
|
|
|
++ struct ag71xx_napi_stats *stats = &ag->debug.napi_stats;
|
|
|
++
|
|
|
++ if (rx) {
|
|
|
++ stats->rx_count++;
|
|
|
++ stats->rx_packets += rx;
|
|
|
++ if (rx <= AG71XX_NAPI_WEIGHT)
|
|
|
++ stats->rx[rx]++;
|
|
|
++ if (rx > stats->rx_packets_max)
|
|
|
++ stats->rx_packets_max = rx;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (tx) {
|
|
|
++ stats->tx_count++;
|
|
|
++ stats->tx_packets += tx;
|
|
|
++ if (tx <= AG71XX_NAPI_WEIGHT)
|
|
|
++ stats->tx[tx]++;
|
|
|
++ if (tx > stats->tx_packets_max)
|
|
|
++ stats->tx_packets_max = tx;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static ssize_t read_file_napi_stats(struct file *file, char __user *user_buf,
|
|
|
++ size_t count, loff_t *ppos)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = file->private_data;
|
|
|
++ struct ag71xx_napi_stats *stats = &ag->debug.napi_stats;
|
|
|
++ char *buf;
|
|
|
++ unsigned int buflen;
|
|
|
++ unsigned int len = 0;
|
|
|
++ unsigned long rx_avg = 0;
|
|
|
++ unsigned long tx_avg = 0;
|
|
|
++ int ret;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ buflen = 2048;
|
|
|
++ buf = kmalloc(buflen, GFP_KERNEL);
|
|
|
++ if (!buf)
|
|
|
++ return -ENOMEM;
|
|
|
++
|
|
|
++ if (stats->rx_count)
|
|
|
++ rx_avg = stats->rx_packets / stats->rx_count;
|
|
|
++
|
|
|
++ if (stats->tx_count)
|
|
|
++ tx_avg = stats->tx_packets / stats->tx_count;
|
|
|
++
|
|
|
++ len += snprintf(buf + len, buflen - len, "%3s %10s %10s\n",
|
|
|
++ "len", "rx", "tx");
|
|
|
++
|
|
|
++ for (i = 1; i <= AG71XX_NAPI_WEIGHT; i++)
|
|
|
++ len += snprintf(buf + len, buflen - len,
|
|
|
++ "%3d: %10lu %10lu\n",
|
|
|
++ i, stats->rx[i], stats->tx[i]);
|
|
|
++
|
|
|
++ len += snprintf(buf + len, buflen - len, "\n");
|
|
|
++
|
|
|
++ len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
|
|
|
++ "sum", stats->rx_count, stats->tx_count);
|
|
|
++ len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
|
|
|
++ "avg", rx_avg, tx_avg);
|
|
|
++ len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
|
|
|
++ "max", stats->rx_packets_max, stats->tx_packets_max);
|
|
|
++ len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
|
|
|
++ "pkt", stats->rx_packets, stats->tx_packets);
|
|
|
++
|
|
|
++ ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
|
++ kfree(buf);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static const struct file_operations ag71xx_fops_napi_stats = {
|
|
|
++ .open = ag71xx_debugfs_generic_open,
|
|
|
++ .read = read_file_napi_stats,
|
|
|
++ .owner = THIS_MODULE
|
|
|
++};
|
|
|
++
|
|
|
++#define DESC_PRINT_LEN 64
|
|
|
++
|
|
|
++static ssize_t read_file_ring(struct file *file, char __user *user_buf,
|
|
|
++ size_t count, loff_t *ppos,
|
|
|
++ struct ag71xx *ag,
|
|
|
++ struct ag71xx_ring *ring,
|
|
|
++ unsigned desc_reg)
|
|
|
++{
|
|
|
++ char *buf;
|
|
|
++ unsigned int buflen;
|
|
|
++ unsigned int len = 0;
|
|
|
++ unsigned long flags;
|
|
|
++ ssize_t ret;
|
|
|
++ int curr;
|
|
|
++ int dirty;
|
|
|
++ u32 desc_hw;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ buflen = (ring->size * DESC_PRINT_LEN);
|
|
|
++ buf = kmalloc(buflen, GFP_KERNEL);
|
|
|
++ if (!buf)
|
|
|
++ return -ENOMEM;
|
|
|
++
|
|
|
++ len += snprintf(buf + len, buflen - len,
|
|
|
++ "Idx ... %-8s %-8s %-8s %-8s . %-10s\n",
|
|
|
++ "desc", "next", "data", "ctrl", "timestamp");
|
|
|
++
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++
|
|
|
++ curr = (ring->curr % ring->size);
|
|
|
++ dirty = (ring->dirty % ring->size);
|
|
|
++ desc_hw = ag71xx_rr(ag, desc_reg);
|
|
|
++ for (i = 0; i < ring->size; i++) {
|
|
|
++ struct ag71xx_buf *ab = &ring->buf[i];
|
|
|
++ u32 desc_dma = ((u32) ring->descs_dma) + i * ring->desc_size;
|
|
|
++
|
|
|
++ len += snprintf(buf + len, buflen - len,
|
|
|
++ "%3d %c%c%c %08x %08x %08x %08x %c %10lu\n",
|
|
|
++ i,
|
|
|
++ (i == curr) ? 'C' : ' ',
|
|
|
++ (i == dirty) ? 'D' : ' ',
|
|
|
++ (desc_hw == desc_dma) ? 'H' : ' ',
|
|
|
++ desc_dma,
|
|
|
++ ab->desc->next,
|
|
|
++ ab->desc->data,
|
|
|
++ ab->desc->ctrl,
|
|
|
++ (ab->desc->ctrl & DESC_EMPTY) ? 'E' : '*',
|
|
|
++ ab->timestamp);
|
|
|
++ }
|
|
|
++
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++
|
|
|
++ ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
|
++ kfree(buf);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static ssize_t read_file_tx_ring(struct file *file, char __user *user_buf,
|
|
|
++ size_t count, loff_t *ppos)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = file->private_data;
|
|
|
++
|
|
|
++ return read_file_ring(file, user_buf, count, ppos, ag, &ag->tx_ring,
|
|
|
++ AG71XX_REG_TX_DESC);
|
|
|
++}
|
|
|
++
|
|
|
++static const struct file_operations ag71xx_fops_tx_ring = {
|
|
|
++ .open = ag71xx_debugfs_generic_open,
|
|
|
++ .read = read_file_tx_ring,
|
|
|
++ .owner = THIS_MODULE
|
|
|
++};
|
|
|
++
|
|
|
++static ssize_t read_file_rx_ring(struct file *file, char __user *user_buf,
|
|
|
++ size_t count, loff_t *ppos)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = file->private_data;
|
|
|
++
|
|
|
++ return read_file_ring(file, user_buf, count, ppos, ag, &ag->rx_ring,
|
|
|
++ AG71XX_REG_RX_DESC);
|
|
|
++}
|
|
|
++
|
|
|
++static const struct file_operations ag71xx_fops_rx_ring = {
|
|
|
++ .open = ag71xx_debugfs_generic_open,
|
|
|
++ .read = read_file_rx_ring,
|
|
|
++ .owner = THIS_MODULE
|
|
|
++};
|
|
|
++
|
|
|
++void ag71xx_debugfs_exit(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ debugfs_remove_recursive(ag->debug.debugfs_dir);
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_debugfs_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct device *dev = &ag->pdev->dev;
|
|
|
++
|
|
|
++ ag->debug.debugfs_dir = debugfs_create_dir(dev_name(dev),
|
|
|
++ ag71xx_debugfs_root);
|
|
|
++ if (!ag->debug.debugfs_dir) {
|
|
|
++ dev_err(dev, "unable to create debugfs directory\n");
|
|
|
++ return -ENOENT;
|
|
|
++ }
|
|
|
++
|
|
|
++ debugfs_create_file("int_stats", S_IRUGO, ag->debug.debugfs_dir,
|
|
|
++ ag, &ag71xx_fops_int_stats);
|
|
|
++ debugfs_create_file("napi_stats", S_IRUGO, ag->debug.debugfs_dir,
|
|
|
++ ag, &ag71xx_fops_napi_stats);
|
|
|
++ debugfs_create_file("tx_ring", S_IRUGO, ag->debug.debugfs_dir,
|
|
|
++ ag, &ag71xx_fops_tx_ring);
|
|
|
++ debugfs_create_file("rx_ring", S_IRUGO, ag->debug.debugfs_dir,
|
|
|
++ ag, &ag71xx_fops_rx_ring);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_debugfs_root_init(void)
|
|
|
++{
|
|
|
++ if (ag71xx_debugfs_root)
|
|
|
++ return -EBUSY;
|
|
|
++
|
|
|
++ ag71xx_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
|
|
|
++ if (!ag71xx_debugfs_root)
|
|
|
++ return -ENOENT;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_debugfs_root_exit(void)
|
|
|
++{
|
|
|
++ debugfs_remove(ag71xx_debugfs_root);
|
|
|
++ ag71xx_debugfs_root = NULL;
|
|
|
++}
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..498fbed
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,124 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ *
|
|
|
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++static int ag71xx_ethtool_get_settings(struct net_device *dev,
|
|
|
++ struct ethtool_cmd *cmd)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ struct phy_device *phydev = ag->phy_dev;
|
|
|
++
|
|
|
++ if (!phydev)
|
|
|
++ return -ENODEV;
|
|
|
++
|
|
|
++ return phy_ethtool_gset(phydev, cmd);
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_ethtool_set_settings(struct net_device *dev,
|
|
|
++ struct ethtool_cmd *cmd)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ struct phy_device *phydev = ag->phy_dev;
|
|
|
++
|
|
|
++ if (!phydev)
|
|
|
++ return -ENODEV;
|
|
|
++
|
|
|
++ return phy_ethtool_sset(phydev, cmd);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ethtool_get_drvinfo(struct net_device *dev,
|
|
|
++ struct ethtool_drvinfo *info)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ strcpy(info->driver, ag->pdev->dev.driver->name);
|
|
|
++ strcpy(info->version, AG71XX_DRV_VERSION);
|
|
|
++ strcpy(info->bus_info, dev_name(&ag->pdev->dev));
|
|
|
++}
|
|
|
++
|
|
|
++static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ return ag->msg_enable;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ ag->msg_enable = msg_level;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ethtool_get_ringparam(struct net_device *dev,
|
|
|
++ struct ethtool_ringparam *er)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX;
|
|
|
++ er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX;
|
|
|
++ er->rx_mini_max_pending = 0;
|
|
|
++ er->rx_jumbo_max_pending = 0;
|
|
|
++
|
|
|
++ er->tx_pending = ag->tx_ring.size;
|
|
|
++ er->rx_pending = ag->rx_ring.size;
|
|
|
++ er->rx_mini_pending = 0;
|
|
|
++ er->rx_jumbo_pending = 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_ethtool_set_ringparam(struct net_device *dev,
|
|
|
++ struct ethtool_ringparam *er)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ unsigned tx_size;
|
|
|
++ unsigned rx_size;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ if (er->rx_mini_pending != 0||
|
|
|
++ er->rx_jumbo_pending != 0 ||
|
|
|
++ er->rx_pending == 0 ||
|
|
|
++ er->tx_pending == 0)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ?
|
|
|
++ er->tx_pending : AG71XX_TX_RING_SIZE_MAX;
|
|
|
++
|
|
|
++ rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ?
|
|
|
++ er->rx_pending : AG71XX_RX_RING_SIZE_MAX;
|
|
|
++
|
|
|
++ if (netif_running(dev)) {
|
|
|
++ err = dev->netdev_ops->ndo_stop(dev);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag->tx_ring.size = tx_size;
|
|
|
++ ag->rx_ring.size = rx_size;
|
|
|
++
|
|
|
++ if (netif_running(dev))
|
|
|
++ err = dev->netdev_ops->ndo_open(dev);
|
|
|
++
|
|
|
++ return err;
|
|
|
++}
|
|
|
++
|
|
|
++struct ethtool_ops ag71xx_ethtool_ops = {
|
|
|
++ .set_settings = ag71xx_ethtool_set_settings,
|
|
|
++ .get_settings = ag71xx_ethtool_get_settings,
|
|
|
++ .get_drvinfo = ag71xx_ethtool_get_drvinfo,
|
|
|
++ .get_msglevel = ag71xx_ethtool_get_msglevel,
|
|
|
++ .set_msglevel = ag71xx_ethtool_set_msglevel,
|
|
|
++ .get_ringparam = ag71xx_ethtool_get_ringparam,
|
|
|
++ .set_ringparam = ag71xx_ethtool_set_ringparam,
|
|
|
++ .get_link = ethtool_op_get_link,
|
|
|
++};
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..d010373
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,1325 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ *
|
|
|
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++#define AG71XX_DEFAULT_MSG_ENABLE \
|
|
|
++ (NETIF_MSG_DRV \
|
|
|
++ | NETIF_MSG_PROBE \
|
|
|
++ | NETIF_MSG_LINK \
|
|
|
++ | NETIF_MSG_TIMER \
|
|
|
++ | NETIF_MSG_IFDOWN \
|
|
|
++ | NETIF_MSG_IFUP \
|
|
|
++ | NETIF_MSG_RX_ERR \
|
|
|
++ | NETIF_MSG_TX_ERR)
|
|
|
++
|
|
|
++static int ag71xx_msg_level = -1;
|
|
|
++
|
|
|
++module_param_named(msg_level, ag71xx_msg_level, int, 0);
|
|
|
++MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
|
|
|
++
|
|
|
++#define ETH_SWITCH_HEADER_LEN 2
|
|
|
++
|
|
|
++static inline unsigned int ag71xx_max_frame_len(unsigned int mtu)
|
|
|
++{
|
|
|
++ return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_dump_dma_regs(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ DBG("%s: dma_tx_ctrl=%08x, dma_tx_desc=%08x, dma_tx_status=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_TX_CTRL),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_TX_DESC),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_TX_STATUS));
|
|
|
++
|
|
|
++ DBG("%s: dma_rx_ctrl=%08x, dma_rx_desc=%08x, dma_rx_status=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_RX_CTRL),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_RX_DESC),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_RX_STATUS));
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_dump_regs(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ DBG("%s: mac_cfg1=%08x, mac_cfg2=%08x, ipg=%08x, hdx=%08x, mfl=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_CFG1),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_IPG),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_HDX),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_MFL));
|
|
|
++ DBG("%s: mac_ifctl=%08x, mac_addr1=%08x, mac_addr2=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_ADDR1),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_ADDR2));
|
|
|
++ DBG("%s: fifo_cfg0=%08x, fifo_cfg1=%08x, fifo_cfg2=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2));
|
|
|
++ DBG("%s: fifo_cfg3=%08x, fifo_cfg4=%08x, fifo_cfg5=%08x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
|
|
|
++}
|
|
|
++
|
|
|
++static inline void ag71xx_dump_intr(struct ag71xx *ag, char *label, u32 intr)
|
|
|
++{
|
|
|
++ DBG("%s: %s intr=%08x %s%s%s%s%s%s\n",
|
|
|
++ ag->dev->name, label, intr,
|
|
|
++ (intr & AG71XX_INT_TX_PS) ? "TXPS " : "",
|
|
|
++ (intr & AG71XX_INT_TX_UR) ? "TXUR " : "",
|
|
|
++ (intr & AG71XX_INT_TX_BE) ? "TXBE " : "",
|
|
|
++ (intr & AG71XX_INT_RX_PR) ? "RXPR " : "",
|
|
|
++ (intr & AG71XX_INT_RX_OF) ? "RXOF " : "",
|
|
|
++ (intr & AG71XX_INT_RX_BE) ? "RXBE " : "");
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ring_free(struct ag71xx_ring *ring)
|
|
|
++{
|
|
|
++ kfree(ring->buf);
|
|
|
++
|
|
|
++ if (ring->descs_cpu)
|
|
|
++ dma_free_coherent(NULL, ring->size * ring->desc_size,
|
|
|
++ ring->descs_cpu, ring->descs_dma);
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_ring_alloc(struct ag71xx_ring *ring)
|
|
|
++{
|
|
|
++ int err;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ ring->desc_size = sizeof(struct ag71xx_desc);
|
|
|
++ if (ring->desc_size % cache_line_size()) {
|
|
|
++ DBG("ag71xx: ring %p, desc size %u rounded to %u\n",
|
|
|
++ ring, ring->desc_size,
|
|
|
++ roundup(ring->desc_size, cache_line_size()));
|
|
|
++ ring->desc_size = roundup(ring->desc_size, cache_line_size());
|
|
|
++ }
|
|
|
++
|
|
|
++ ring->descs_cpu = dma_alloc_coherent(NULL, ring->size * ring->desc_size,
|
|
|
++ &ring->descs_dma, GFP_ATOMIC);
|
|
|
++ if (!ring->descs_cpu) {
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err;
|
|
|
++ }
|
|
|
++
|
|
|
++
|
|
|
++ ring->buf = kzalloc(ring->size * sizeof(*ring->buf), GFP_KERNEL);
|
|
|
++ if (!ring->buf) {
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err;
|
|
|
++ }
|
|
|
++
|
|
|
++ for (i = 0; i < ring->size; i++) {
|
|
|
++ int idx = i * ring->desc_size;
|
|
|
++ ring->buf[i].desc = (struct ag71xx_desc *)&ring->descs_cpu[idx];
|
|
|
++ DBG("ag71xx: ring %p, desc %d at %p\n",
|
|
|
++ ring, i, ring->buf[i].desc);
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++
|
|
|
++err:
|
|
|
++ return err;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ring_tx_clean(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->tx_ring;
|
|
|
++ struct net_device *dev = ag->dev;
|
|
|
++ u32 bytes_compl = 0, pkts_compl = 0;
|
|
|
++
|
|
|
++ while (ring->curr != ring->dirty) {
|
|
|
++ u32 i = ring->dirty % ring->size;
|
|
|
++
|
|
|
++ if (!ag71xx_desc_empty(ring->buf[i].desc)) {
|
|
|
++ ring->buf[i].desc->ctrl = 0;
|
|
|
++ dev->stats.tx_errors++;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (ring->buf[i].skb) {
|
|
|
++ bytes_compl += ring->buf[i].len;
|
|
|
++ pkts_compl++;
|
|
|
++ dev_kfree_skb_any(ring->buf[i].skb);
|
|
|
++ }
|
|
|
++ ring->buf[i].skb = NULL;
|
|
|
++ ring->dirty++;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* flush descriptors */
|
|
|
++ wmb();
|
|
|
++
|
|
|
++ netdev_completed_queue(dev, pkts_compl, bytes_compl);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ring_tx_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->tx_ring;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ for (i = 0; i < ring->size; i++) {
|
|
|
++ ring->buf[i].desc->next = (u32) (ring->descs_dma +
|
|
|
++ ring->desc_size * ((i + 1) % ring->size));
|
|
|
++
|
|
|
++ ring->buf[i].desc->ctrl = DESC_EMPTY;
|
|
|
++ ring->buf[i].skb = NULL;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* flush descriptors */
|
|
|
++ wmb();
|
|
|
++
|
|
|
++ ring->curr = 0;
|
|
|
++ ring->dirty = 0;
|
|
|
++ netdev_reset_queue(ag->dev);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_ring_rx_clean(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->rx_ring;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ if (!ring->buf)
|
|
|
++ return;
|
|
|
++
|
|
|
++ for (i = 0; i < ring->size; i++)
|
|
|
++ if (ring->buf[i].rx_buf) {
|
|
|
++ dma_unmap_single(&ag->dev->dev, ring->buf[i].dma_addr,
|
|
|
++ ag->rx_buf_size, DMA_FROM_DEVICE);
|
|
|
++ kfree(ring->buf[i].rx_buf);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_buffer_offset(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ int offset = NET_SKB_PAD;
|
|
|
++
|
|
|
++ /*
|
|
|
++ * On AR71xx/AR91xx packets must be 4-byte aligned.
|
|
|
++ *
|
|
|
++ * When using builtin AR8216 support, hardware adds a 2-byte header,
|
|
|
++ * so we don't need any extra alignment in that case.
|
|
|
++ */
|
|
|
++ if (!ag71xx_get_pdata(ag)->is_ar724x || ag71xx_has_ar8216(ag))
|
|
|
++ return offset;
|
|
|
++
|
|
|
++ return offset + NET_IP_ALIGN;
|
|
|
++}
|
|
|
++
|
|
|
++static bool ag71xx_fill_rx_buf(struct ag71xx *ag, struct ag71xx_buf *buf,
|
|
|
++ int offset)
|
|
|
++{
|
|
|
++ void *data;
|
|
|
++
|
|
|
++ data = kmalloc(ag->rx_buf_size +
|
|
|
++ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
|
|
|
++ GFP_ATOMIC);
|
|
|
++ if (!data)
|
|
|
++ return false;
|
|
|
++
|
|
|
++ buf->rx_buf = data;
|
|
|
++ buf->dma_addr = dma_map_single(&ag->dev->dev, data, ag->rx_buf_size,
|
|
|
++ DMA_FROM_DEVICE);
|
|
|
++ buf->desc->data = (u32) buf->dma_addr + offset;
|
|
|
++ return true;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_ring_rx_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->rx_ring;
|
|
|
++ unsigned int i;
|
|
|
++ int ret;
|
|
|
++ int offset = ag71xx_buffer_offset(ag);
|
|
|
++
|
|
|
++ ret = 0;
|
|
|
++ for (i = 0; i < ring->size; i++) {
|
|
|
++ ring->buf[i].desc->next = (u32) (ring->descs_dma +
|
|
|
++ ring->desc_size * ((i + 1) % ring->size));
|
|
|
++
|
|
|
++ DBG("ag71xx: RX desc at %p, next is %08x\n",
|
|
|
++ ring->buf[i].desc,
|
|
|
++ ring->buf[i].desc->next);
|
|
|
++ }
|
|
|
++
|
|
|
++ for (i = 0; i < ring->size; i++) {
|
|
|
++ if (!ag71xx_fill_rx_buf(ag, &ring->buf[i], offset)) {
|
|
|
++ ret = -ENOMEM;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ ring->buf[i].desc->ctrl = DESC_EMPTY;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* flush descriptors */
|
|
|
++ wmb();
|
|
|
++
|
|
|
++ ring->curr = 0;
|
|
|
++ ring->dirty = 0;
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_ring_rx_refill(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->rx_ring;
|
|
|
++ unsigned int count;
|
|
|
++ int offset = ag71xx_buffer_offset(ag);
|
|
|
++
|
|
|
++ count = 0;
|
|
|
++ for (; ring->curr - ring->dirty > 0; ring->dirty++) {
|
|
|
++ unsigned int i;
|
|
|
++
|
|
|
++ i = ring->dirty % ring->size;
|
|
|
++
|
|
|
++ if (!ring->buf[i].rx_buf &&
|
|
|
++ !ag71xx_fill_rx_buf(ag, &ring->buf[i], offset))
|
|
|
++ break;
|
|
|
++
|
|
|
++ ring->buf[i].desc->ctrl = DESC_EMPTY;
|
|
|
++ count++;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* flush descriptors */
|
|
|
++ wmb();
|
|
|
++
|
|
|
++ DBG("%s: %u rx descriptors refilled\n", ag->dev->name, count);
|
|
|
++
|
|
|
++ return count;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_rings_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = ag71xx_ring_alloc(&ag->tx_ring);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ag71xx_ring_tx_init(ag);
|
|
|
++
|
|
|
++ ret = ag71xx_ring_alloc(&ag->rx_ring);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = ag71xx_ring_rx_init(ag);
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_rings_cleanup(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ ag71xx_ring_rx_clean(ag);
|
|
|
++ ag71xx_ring_free(&ag->rx_ring);
|
|
|
++
|
|
|
++ ag71xx_ring_tx_clean(ag);
|
|
|
++ netdev_reset_queue(ag->dev);
|
|
|
++ ag71xx_ring_free(&ag->tx_ring);
|
|
|
++}
|
|
|
++
|
|
|
++static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ switch (ag->speed) {
|
|
|
++ case SPEED_1000:
|
|
|
++ return "1000";
|
|
|
++ case SPEED_100:
|
|
|
++ return "100";
|
|
|
++ case SPEED_10:
|
|
|
++ return "10";
|
|
|
++ }
|
|
|
++
|
|
|
++ return "?";
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
|
|
|
++{
|
|
|
++ u32 t;
|
|
|
++
|
|
|
++ t = (((u32) mac[5]) << 24) | (((u32) mac[4]) << 16)
|
|
|
++ | (((u32) mac[3]) << 8) | ((u32) mac[2]);
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_ADDR1, t);
|
|
|
++
|
|
|
++ t = (((u32) mac[1]) << 24) | (((u32) mac[0]) << 16);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_ADDR2, t);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_dma_reset(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ u32 val;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ ag71xx_dump_dma_regs(ag);
|
|
|
++
|
|
|
++ /* stop RX and TX */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
|
|
|
++
|
|
|
++ /*
|
|
|
++ * give the hardware some time to really stop all rx/tx activity
|
|
|
++ * clearing the descriptors too early causes random memory corruption
|
|
|
++ */
|
|
|
++ mdelay(1);
|
|
|
++
|
|
|
++ /* clear descriptor addresses */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->stop_desc_dma);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->stop_desc_dma);
|
|
|
++
|
|
|
++ /* clear pending RX/TX interrupts */
|
|
|
++ for (i = 0; i < 256; i++) {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
|
|
|
++ }
|
|
|
++
|
|
|
++ /* clear pending errors */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR);
|
|
|
++
|
|
|
++ val = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
|
|
|
++ if (val)
|
|
|
++ pr_alert("%s: unable to clear DMA Rx status: %08x\n",
|
|
|
++ ag->dev->name, val);
|
|
|
++
|
|
|
++ val = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
|
|
|
++
|
|
|
++ /* mask out reserved bits */
|
|
|
++ val &= ~0xff000000;
|
|
|
++
|
|
|
++ if (val)
|
|
|
++ pr_alert("%s: unable to clear DMA Tx status: %08x\n",
|
|
|
++ ag->dev->name, val);
|
|
|
++
|
|
|
++ ag71xx_dump_dma_regs(ag);
|
|
|
++}
|
|
|
++
|
|
|
++#define MAC_CFG1_INIT (MAC_CFG1_RXE | MAC_CFG1_TXE | \
|
|
|
++ MAC_CFG1_SRX | MAC_CFG1_STX)
|
|
|
++
|
|
|
++#define FIFO_CFG0_INIT (FIFO_CFG0_ALL << FIFO_CFG0_ENABLE_SHIFT)
|
|
|
++
|
|
|
++#define FIFO_CFG4_INIT (FIFO_CFG4_DE | FIFO_CFG4_DV | FIFO_CFG4_FC | \
|
|
|
++ FIFO_CFG4_CE | FIFO_CFG4_CR | FIFO_CFG4_LM | \
|
|
|
++ FIFO_CFG4_LO | FIFO_CFG4_OK | FIFO_CFG4_MC | \
|
|
|
++ FIFO_CFG4_BC | FIFO_CFG4_DR | FIFO_CFG4_LE | \
|
|
|
++ FIFO_CFG4_CF | FIFO_CFG4_PF | FIFO_CFG4_UO | \
|
|
|
++ FIFO_CFG4_VT)
|
|
|
++
|
|
|
++#define FIFO_CFG5_INIT (FIFO_CFG5_DE | FIFO_CFG5_DV | FIFO_CFG5_FC | \
|
|
|
++ FIFO_CFG5_CE | FIFO_CFG5_LO | FIFO_CFG5_OK | \
|
|
|
++ FIFO_CFG5_MC | FIFO_CFG5_BC | FIFO_CFG5_DR | \
|
|
|
++ FIFO_CFG5_CF | FIFO_CFG5_PF | FIFO_CFG5_VT | \
|
|
|
++ FIFO_CFG5_LE | FIFO_CFG5_FT | FIFO_CFG5_16 | \
|
|
|
++ FIFO_CFG5_17 | FIFO_CFG5_SF)
|
|
|
++
|
|
|
++static void ag71xx_hw_stop(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ /* disable all interrupts and stop the rx/tx engine */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, 0);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_hw_setup(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++
|
|
|
++ /* setup MAC configuration registers */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_INIT);
|
|
|
++
|
|
|
++ ag71xx_sb(ag, AG71XX_REG_MAC_CFG2,
|
|
|
++ MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK);
|
|
|
++
|
|
|
++ /* setup max frame length to zero */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_MFL, 0);
|
|
|
++
|
|
|
++ /* setup FIFO configuration registers */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG0, FIFO_CFG0_INIT);
|
|
|
++ if (pdata->is_ar724x) {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, pdata->fifo_cfg1);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, pdata->fifo_cfg2);
|
|
|
++ } else {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0fff0000);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x00001fff);
|
|
|
++ }
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG4, FIFO_CFG4_INIT);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, FIFO_CFG5_INIT);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_hw_init(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ u32 reset_mask = pdata->reset_bit;
|
|
|
++
|
|
|
++ ag71xx_hw_stop(ag);
|
|
|
++
|
|
|
++ if (pdata->is_ar724x) {
|
|
|
++ u32 reset_phy = reset_mask;
|
|
|
++
|
|
|
++ reset_phy &= AR71XX_RESET_GE0_PHY | AR71XX_RESET_GE1_PHY;
|
|
|
++ reset_mask &= ~(AR71XX_RESET_GE0_PHY | AR71XX_RESET_GE1_PHY);
|
|
|
++
|
|
|
++ ath79_device_reset_set(reset_phy);
|
|
|
++ mdelay(50);
|
|
|
++ ath79_device_reset_clear(reset_phy);
|
|
|
++ mdelay(200);
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_sb(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_SR);
|
|
|
++ udelay(20);
|
|
|
++
|
|
|
++ ath79_device_reset_set(reset_mask);
|
|
|
++ mdelay(100);
|
|
|
++ ath79_device_reset_clear(reset_mask);
|
|
|
++ mdelay(200);
|
|
|
++
|
|
|
++ ag71xx_hw_setup(ag);
|
|
|
++
|
|
|
++ ag71xx_dma_reset(ag);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_fast_reset(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ struct net_device *dev = ag->dev;
|
|
|
++ u32 reset_mask = pdata->reset_bit;
|
|
|
++ u32 rx_ds, tx_ds;
|
|
|
++ u32 mii_reg;
|
|
|
++
|
|
|
++ reset_mask &= AR71XX_RESET_GE0_MAC | AR71XX_RESET_GE1_MAC;
|
|
|
++
|
|
|
++ mii_reg = ag71xx_rr(ag, AG71XX_REG_MII_CFG);
|
|
|
++ rx_ds = ag71xx_rr(ag, AG71XX_REG_RX_DESC);
|
|
|
++ tx_ds = ag71xx_rr(ag, AG71XX_REG_TX_DESC);
|
|
|
++
|
|
|
++ ath79_device_reset_set(reset_mask);
|
|
|
++ udelay(10);
|
|
|
++ ath79_device_reset_clear(reset_mask);
|
|
|
++ udelay(10);
|
|
|
++
|
|
|
++ ag71xx_dma_reset(ag);
|
|
|
++ ag71xx_hw_setup(ag);
|
|
|
++
|
|
|
++ /* setup max frame length */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_MFL,
|
|
|
++ ag71xx_max_frame_len(ag->dev->mtu));
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_DESC, rx_ds);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_DESC, tx_ds);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MII_CFG, mii_reg);
|
|
|
++
|
|
|
++ ag71xx_hw_set_macaddr(ag, dev->dev_addr);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_hw_start(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ /* start RX engine */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
|
|
|
++
|
|
|
++ /* enable interrupts */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, AG71XX_INT_INIT);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_link_adjust(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ u32 cfg2;
|
|
|
++ u32 ifctl;
|
|
|
++ u32 fifo5;
|
|
|
++
|
|
|
++ if (!ag->link) {
|
|
|
++ ag71xx_hw_stop(ag);
|
|
|
++ netif_carrier_off(ag->dev);
|
|
|
++ if (netif_msg_link(ag))
|
|
|
++ pr_info("%s: link down\n", ag->dev->name);
|
|
|
++ return;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (pdata->is_ar724x)
|
|
|
++ ag71xx_fast_reset(ag);
|
|
|
++
|
|
|
++ cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
|
|
|
++ cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
|
|
|
++ cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0;
|
|
|
++
|
|
|
++ ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
|
|
|
++ ifctl &= ~(MAC_IFCTL_SPEED);
|
|
|
++
|
|
|
++ fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
|
|
|
++ fifo5 &= ~FIFO_CFG5_BM;
|
|
|
++
|
|
|
++ switch (ag->speed) {
|
|
|
++ case SPEED_1000:
|
|
|
++ cfg2 |= MAC_CFG2_IF_1000;
|
|
|
++ fifo5 |= FIFO_CFG5_BM;
|
|
|
++ break;
|
|
|
++ case SPEED_100:
|
|
|
++ cfg2 |= MAC_CFG2_IF_10_100;
|
|
|
++ ifctl |= MAC_IFCTL_SPEED;
|
|
|
++ break;
|
|
|
++ case SPEED_10:
|
|
|
++ cfg2 |= MAC_CFG2_IF_10_100;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ BUG();
|
|
|
++ return;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (pdata->is_ar91xx)
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x00780fff);
|
|
|
++ else if (pdata->is_ar724x)
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, pdata->fifo_cfg3);
|
|
|
++ else
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
|
|
|
++
|
|
|
++ if (pdata->set_speed)
|
|
|
++ pdata->set_speed(ag->speed);
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
|
|
|
++ ag71xx_hw_start(ag);
|
|
|
++
|
|
|
++ netif_carrier_on(ag->dev);
|
|
|
++ if (netif_msg_link(ag))
|
|
|
++ pr_info("%s: link up (%sMbps/%s duplex)\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_speed_str(ag),
|
|
|
++ (DUPLEX_FULL == ag->duplex) ? "Full" : "Half");
|
|
|
++
|
|
|
++ DBG("%s: fifo_cfg0=%#x, fifo_cfg1=%#x, fifo_cfg2=%#x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2));
|
|
|
++
|
|
|
++ DBG("%s: fifo_cfg3=%#x, fifo_cfg4=%#x, fifo_cfg5=%#x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
|
|
|
++
|
|
|
++ DBG("%s: mac_cfg2=%#x, mac_ifctl=%#x\n",
|
|
|
++ ag->dev->name,
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
|
|
|
++ ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL));
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_open(struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ unsigned int max_frame_len;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ max_frame_len = ag71xx_max_frame_len(dev->mtu);
|
|
|
++ ag->rx_buf_size = max_frame_len + NET_SKB_PAD + NET_IP_ALIGN;
|
|
|
++
|
|
|
++ /* setup max frame length */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_MAC_MFL, max_frame_len);
|
|
|
++
|
|
|
++ ret = ag71xx_rings_init(ag);
|
|
|
++ if (ret)
|
|
|
++ goto err;
|
|
|
++
|
|
|
++ napi_enable(&ag->napi);
|
|
|
++
|
|
|
++ netif_carrier_off(dev);
|
|
|
++ ag71xx_phy_start(ag);
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->tx_ring.descs_dma);
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->rx_ring.descs_dma);
|
|
|
++
|
|
|
++ ag71xx_hw_set_macaddr(ag, dev->dev_addr);
|
|
|
++
|
|
|
++ netif_start_queue(dev);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++
|
|
|
++err:
|
|
|
++ ag71xx_rings_cleanup(ag);
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_stop(struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ unsigned long flags;
|
|
|
++
|
|
|
++ netif_carrier_off(dev);
|
|
|
++ ag71xx_phy_stop(ag);
|
|
|
++
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++
|
|
|
++ netif_stop_queue(dev);
|
|
|
++
|
|
|
++ ag71xx_hw_stop(ag);
|
|
|
++ ag71xx_dma_reset(ag);
|
|
|
++
|
|
|
++ napi_disable(&ag->napi);
|
|
|
++ del_timer_sync(&ag->oom_timer);
|
|
|
++
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++
|
|
|
++ ag71xx_rings_cleanup(ag);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static netdev_tx_t ag71xx_hard_start_xmit(struct sk_buff *skb,
|
|
|
++ struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ struct ag71xx_ring *ring = &ag->tx_ring;
|
|
|
++ struct ag71xx_desc *desc;
|
|
|
++ dma_addr_t dma_addr;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ i = ring->curr % ring->size;
|
|
|
++ desc = ring->buf[i].desc;
|
|
|
++
|
|
|
++ if (!ag71xx_desc_empty(desc))
|
|
|
++ goto err_drop;
|
|
|
++
|
|
|
++ if (ag71xx_has_ar8216(ag))
|
|
|
++ ag71xx_add_ar8216_header(ag, skb);
|
|
|
++
|
|
|
++ if (skb->len <= 0) {
|
|
|
++ DBG("%s: packet len is too small\n", ag->dev->name);
|
|
|
++ goto err_drop;
|
|
|
++ }
|
|
|
++
|
|
|
++ dma_addr = dma_map_single(&dev->dev, skb->data, skb->len,
|
|
|
++ DMA_TO_DEVICE);
|
|
|
++
|
|
|
++ netdev_sent_queue(dev, skb->len);
|
|
|
++ ring->buf[i].len = skb->len;
|
|
|
++ ring->buf[i].skb = skb;
|
|
|
++ ring->buf[i].timestamp = jiffies;
|
|
|
++
|
|
|
++ /* setup descriptor fields */
|
|
|
++ desc->data = (u32) dma_addr;
|
|
|
++ desc->ctrl = skb->len & ag->desc_pktlen_mask;
|
|
|
++
|
|
|
++ /* flush descriptor */
|
|
|
++ wmb();
|
|
|
++
|
|
|
++ ring->curr++;
|
|
|
++ if (ring->curr == (ring->dirty + ring->size)) {
|
|
|
++ DBG("%s: tx queue full\n", ag->dev->name);
|
|
|
++ netif_stop_queue(dev);
|
|
|
++ }
|
|
|
++
|
|
|
++ DBG("%s: packet injected into TX queue\n", ag->dev->name);
|
|
|
++
|
|
|
++ /* enable TX engine */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, TX_CTRL_TXE);
|
|
|
++
|
|
|
++ return NETDEV_TX_OK;
|
|
|
++
|
|
|
++err_drop:
|
|
|
++ dev->stats.tx_dropped++;
|
|
|
++
|
|
|
++ dev_kfree_skb(skb);
|
|
|
++ return NETDEV_TX_OK;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ switch (cmd) {
|
|
|
++ case SIOCETHTOOL:
|
|
|
++ if (ag->phy_dev == NULL)
|
|
|
++ break;
|
|
|
++
|
|
|
++ spin_lock_irq(&ag->lock);
|
|
|
++ ret = phy_ethtool_ioctl(ag->phy_dev, (void *) ifr->ifr_data);
|
|
|
++ spin_unlock_irq(&ag->lock);
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ case SIOCSIFHWADDR:
|
|
|
++ if (copy_from_user
|
|
|
++ (dev->dev_addr, ifr->ifr_data, sizeof(dev->dev_addr)))
|
|
|
++ return -EFAULT;
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ case SIOCGIFHWADDR:
|
|
|
++ if (copy_to_user
|
|
|
++ (ifr->ifr_data, dev->dev_addr, sizeof(dev->dev_addr)))
|
|
|
++ return -EFAULT;
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ case SIOCGMIIPHY:
|
|
|
++ case SIOCGMIIREG:
|
|
|
++ case SIOCSMIIREG:
|
|
|
++ if (ag->phy_dev == NULL)
|
|
|
++ break;
|
|
|
++
|
|
|
++ return phy_mii_ioctl(ag->phy_dev, ifr, cmd);
|
|
|
++
|
|
|
++ default:
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ return -EOPNOTSUPP;
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_oom_timer_handler(unsigned long data)
|
|
|
++{
|
|
|
++ struct net_device *dev = (struct net_device *) data;
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ napi_schedule(&ag->napi);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_tx_timeout(struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ if (netif_msg_tx_err(ag))
|
|
|
++ pr_info("%s: tx timeout\n", ag->dev->name);
|
|
|
++
|
|
|
++ schedule_work(&ag->restart_work);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_restart_work_func(struct work_struct *work)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = container_of(work, struct ag71xx, restart_work);
|
|
|
++
|
|
|
++ if (ag71xx_get_pdata(ag)->is_ar724x) {
|
|
|
++ ag->link = 0;
|
|
|
++ ag71xx_link_adjust(ag);
|
|
|
++ return;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_stop(ag->dev);
|
|
|
++ ag71xx_open(ag->dev);
|
|
|
++}
|
|
|
++
|
|
|
++static bool ag71xx_check_dma_stuck(struct ag71xx *ag, unsigned long timestamp)
|
|
|
++{
|
|
|
++ u32 rx_sm, tx_sm, rx_fd;
|
|
|
++
|
|
|
++ if (likely(time_before(jiffies, timestamp + HZ/10)))
|
|
|
++ return false;
|
|
|
++
|
|
|
++ if (!netif_carrier_ok(ag->dev))
|
|
|
++ return false;
|
|
|
++
|
|
|
++ rx_sm = ag71xx_rr(ag, AG71XX_REG_RX_SM);
|
|
|
++ if ((rx_sm & 0x7) == 0x3 && ((rx_sm >> 4) & 0x7) == 0x6)
|
|
|
++ return true;
|
|
|
++
|
|
|
++ tx_sm = ag71xx_rr(ag, AG71XX_REG_TX_SM);
|
|
|
++ rx_fd = ag71xx_rr(ag, AG71XX_REG_FIFO_DEPTH);
|
|
|
++ if (((tx_sm >> 4) & 0x7) == 0 && ((rx_sm & 0x7) == 0) &&
|
|
|
++ ((rx_sm >> 4) & 0x7) == 0 && rx_fd == 0)
|
|
|
++ return true;
|
|
|
++
|
|
|
++ return false;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_tx_packets(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_ring *ring = &ag->tx_ring;
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ int sent = 0;
|
|
|
++ int bytes_compl = 0;
|
|
|
++
|
|
|
++ DBG("%s: processing TX ring\n", ag->dev->name);
|
|
|
++
|
|
|
++ while (ring->dirty != ring->curr) {
|
|
|
++ unsigned int i = ring->dirty % ring->size;
|
|
|
++ struct ag71xx_desc *desc = ring->buf[i].desc;
|
|
|
++ struct sk_buff *skb = ring->buf[i].skb;
|
|
|
++ int len = ring->buf[i].len;
|
|
|
++
|
|
|
++ if (!ag71xx_desc_empty(desc)) {
|
|
|
++ if (pdata->is_ar7240 &&
|
|
|
++ ag71xx_check_dma_stuck(ag, ring->buf[i].timestamp))
|
|
|
++ schedule_work(&ag->restart_work);
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
|
|
|
++
|
|
|
++ bytes_compl += len;
|
|
|
++ ag->dev->stats.tx_bytes += len;
|
|
|
++ ag->dev->stats.tx_packets++;
|
|
|
++
|
|
|
++ dev_kfree_skb_any(skb);
|
|
|
++ ring->buf[i].skb = NULL;
|
|
|
++
|
|
|
++ ring->dirty++;
|
|
|
++ sent++;
|
|
|
++ }
|
|
|
++
|
|
|
++ DBG("%s: %d packets sent out\n", ag->dev->name, sent);
|
|
|
++
|
|
|
++ if (!sent)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ netdev_completed_queue(ag->dev, sent, bytes_compl);
|
|
|
++ if ((ring->curr - ring->dirty) < (ring->size * 3) / 4)
|
|
|
++ netif_wake_queue(ag->dev);
|
|
|
++
|
|
|
++ return sent;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
|
|
|
++{
|
|
|
++ struct net_device *dev = ag->dev;
|
|
|
++ struct ag71xx_ring *ring = &ag->rx_ring;
|
|
|
++ int offset = ag71xx_buffer_offset(ag);
|
|
|
++ unsigned int pktlen_mask = ag->desc_pktlen_mask;
|
|
|
++ int done = 0;
|
|
|
++
|
|
|
++ DBG("%s: rx packets, limit=%d, curr=%u, dirty=%u\n",
|
|
|
++ dev->name, limit, ring->curr, ring->dirty);
|
|
|
++
|
|
|
++ while (done < limit) {
|
|
|
++ unsigned int i = ring->curr % ring->size;
|
|
|
++ struct ag71xx_desc *desc = ring->buf[i].desc;
|
|
|
++ struct sk_buff *skb;
|
|
|
++ int pktlen;
|
|
|
++ int err = 0;
|
|
|
++
|
|
|
++ if (ag71xx_desc_empty(desc))
|
|
|
++ break;
|
|
|
++
|
|
|
++ if ((ring->dirty + ring->size) == ring->curr) {
|
|
|
++ ag71xx_assert(0);
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
|
|
|
++
|
|
|
++ pktlen = desc->ctrl & pktlen_mask;
|
|
|
++ pktlen -= ETH_FCS_LEN;
|
|
|
++
|
|
|
++ dma_unmap_single(&dev->dev, ring->buf[i].dma_addr,
|
|
|
++ ag->rx_buf_size, DMA_FROM_DEVICE);
|
|
|
++
|
|
|
++ dev->stats.rx_packets++;
|
|
|
++ dev->stats.rx_bytes += pktlen;
|
|
|
++
|
|
|
++ skb = build_skb(ring->buf[i].rx_buf, 0);
|
|
|
++ if (!skb) {
|
|
|
++ kfree(ring->buf[i].rx_buf);
|
|
|
++ goto next;
|
|
|
++ }
|
|
|
++
|
|
|
++ skb_reserve(skb, offset);
|
|
|
++ skb_put(skb, pktlen);
|
|
|
++
|
|
|
++ if (ag71xx_has_ar8216(ag))
|
|
|
++ err = ag71xx_remove_ar8216_header(ag, skb, pktlen);
|
|
|
++
|
|
|
++ if (err) {
|
|
|
++ dev->stats.rx_dropped++;
|
|
|
++ kfree_skb(skb);
|
|
|
++ } else {
|
|
|
++ skb->dev = dev;
|
|
|
++ skb->ip_summed = CHECKSUM_NONE;
|
|
|
++ skb->protocol = eth_type_trans(skb, dev);
|
|
|
++ netif_receive_skb(skb);
|
|
|
++ }
|
|
|
++
|
|
|
++next:
|
|
|
++ ring->buf[i].rx_buf = NULL;
|
|
|
++ done++;
|
|
|
++
|
|
|
++ ring->curr++;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_ring_rx_refill(ag);
|
|
|
++
|
|
|
++ DBG("%s: rx finish, curr=%u, dirty=%u, done=%d\n",
|
|
|
++ dev->name, ring->curr, ring->dirty, done);
|
|
|
++
|
|
|
++ return done;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_poll(struct napi_struct *napi, int limit)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = container_of(napi, struct ag71xx, napi);
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ struct net_device *dev = ag->dev;
|
|
|
++ struct ag71xx_ring *rx_ring;
|
|
|
++ unsigned long flags;
|
|
|
++ u32 status;
|
|
|
++ int tx_done;
|
|
|
++ int rx_done;
|
|
|
++
|
|
|
++ pdata->ddr_flush();
|
|
|
++ tx_done = ag71xx_tx_packets(ag);
|
|
|
++
|
|
|
++ DBG("%s: processing RX ring\n", dev->name);
|
|
|
++ rx_done = ag71xx_rx_packets(ag, limit);
|
|
|
++
|
|
|
++ ag71xx_debugfs_update_napi_stats(ag, rx_done, tx_done);
|
|
|
++
|
|
|
++ rx_ring = &ag->rx_ring;
|
|
|
++ if (rx_ring->buf[rx_ring->dirty % rx_ring->size].rx_buf == NULL)
|
|
|
++ goto oom;
|
|
|
++
|
|
|
++ status = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
|
|
|
++ if (unlikely(status & RX_STATUS_OF)) {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_OF);
|
|
|
++ dev->stats.rx_fifo_errors++;
|
|
|
++
|
|
|
++ /* restart RX */
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
|
|
|
++ }
|
|
|
++
|
|
|
++ if (rx_done < limit) {
|
|
|
++ if (status & RX_STATUS_PR)
|
|
|
++ goto more;
|
|
|
++
|
|
|
++ status = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
|
|
|
++ if (status & TX_STATUS_PS)
|
|
|
++ goto more;
|
|
|
++
|
|
|
++ DBG("%s: disable polling mode, rx=%d, tx=%d,limit=%d\n",
|
|
|
++ dev->name, rx_done, tx_done, limit);
|
|
|
++
|
|
|
++ napi_complete(napi);
|
|
|
++
|
|
|
++ /* enable interrupts */
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++ ag71xx_int_enable(ag, AG71XX_INT_POLL);
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++ return rx_done;
|
|
|
++ }
|
|
|
++
|
|
|
++more:
|
|
|
++ DBG("%s: stay in polling mode, rx=%d, tx=%d, limit=%d\n",
|
|
|
++ dev->name, rx_done, tx_done, limit);
|
|
|
++ return rx_done;
|
|
|
++
|
|
|
++oom:
|
|
|
++ if (netif_msg_rx_err(ag))
|
|
|
++ pr_info("%s: out of memory\n", dev->name);
|
|
|
++
|
|
|
++ mod_timer(&ag->oom_timer, jiffies + AG71XX_OOM_REFILL);
|
|
|
++ napi_complete(napi);
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
|
|
|
++{
|
|
|
++ struct net_device *dev = dev_id;
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ u32 status;
|
|
|
++
|
|
|
++ status = ag71xx_rr(ag, AG71XX_REG_INT_STATUS);
|
|
|
++ ag71xx_dump_intr(ag, "raw", status);
|
|
|
++
|
|
|
++ if (unlikely(!status))
|
|
|
++ return IRQ_NONE;
|
|
|
++
|
|
|
++ if (unlikely(status & AG71XX_INT_ERR)) {
|
|
|
++ if (status & AG71XX_INT_TX_BE) {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE);
|
|
|
++ dev_err(&dev->dev, "TX BUS error\n");
|
|
|
++ }
|
|
|
++ if (status & AG71XX_INT_RX_BE) {
|
|
|
++ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE);
|
|
|
++ dev_err(&dev->dev, "RX BUS error\n");
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ if (likely(status & AG71XX_INT_POLL)) {
|
|
|
++ ag71xx_int_disable(ag, AG71XX_INT_POLL);
|
|
|
++ DBG("%s: enable polling mode\n", dev->name);
|
|
|
++ napi_schedule(&ag->napi);
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_debugfs_update_int_stats(ag, status);
|
|
|
++
|
|
|
++ return IRQ_HANDLED;
|
|
|
++}
|
|
|
++
|
|
|
++#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
|
++/*
|
|
|
++ * Polling 'interrupt' - used by things like netconsole to send skbs
|
|
|
++ * without having to re-enable interrupts. It's not called while
|
|
|
++ * the interrupt routine is executing.
|
|
|
++ */
|
|
|
++static void ag71xx_netpoll(struct net_device *dev)
|
|
|
++{
|
|
|
++ disable_irq(dev->irq);
|
|
|
++ ag71xx_interrupt(dev->irq, dev);
|
|
|
++ enable_irq(dev->irq);
|
|
|
++}
|
|
|
++#endif
|
|
|
++
|
|
|
++static int ag71xx_change_mtu(struct net_device *dev, int new_mtu)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ unsigned int max_frame_len;
|
|
|
++
|
|
|
++ max_frame_len = ag71xx_max_frame_len(new_mtu);
|
|
|
++ if (new_mtu < 68 || max_frame_len > ag->max_frame_len)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ if (netif_running(dev))
|
|
|
++ return -EBUSY;
|
|
|
++
|
|
|
++ dev->mtu = new_mtu;
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static const struct net_device_ops ag71xx_netdev_ops = {
|
|
|
++ .ndo_open = ag71xx_open,
|
|
|
++ .ndo_stop = ag71xx_stop,
|
|
|
++ .ndo_start_xmit = ag71xx_hard_start_xmit,
|
|
|
++ .ndo_do_ioctl = ag71xx_do_ioctl,
|
|
|
++ .ndo_tx_timeout = ag71xx_tx_timeout,
|
|
|
++ .ndo_change_mtu = ag71xx_change_mtu,
|
|
|
++ .ndo_set_mac_address = eth_mac_addr,
|
|
|
++ .ndo_validate_addr = eth_validate_addr,
|
|
|
++#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
|
++ .ndo_poll_controller = ag71xx_netpoll,
|
|
|
++#endif
|
|
|
++};
|
|
|
++
|
|
|
++static const char *ag71xx_get_phy_if_mode_name(phy_interface_t mode)
|
|
|
++{
|
|
|
++ switch (mode) {
|
|
|
++ case PHY_INTERFACE_MODE_MII:
|
|
|
++ return "MII";
|
|
|
++ case PHY_INTERFACE_MODE_GMII:
|
|
|
++ return "GMII";
|
|
|
++ case PHY_INTERFACE_MODE_RMII:
|
|
|
++ return "RMII";
|
|
|
++ case PHY_INTERFACE_MODE_RGMII:
|
|
|
++ return "RGMII";
|
|
|
++ case PHY_INTERFACE_MODE_SGMII:
|
|
|
++ return "SGMII";
|
|
|
++ default:
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ return "unknown";
|
|
|
++}
|
|
|
++
|
|
|
++
|
|
|
++static int ag71xx_probe(struct platform_device *pdev)
|
|
|
++{
|
|
|
++ struct net_device *dev;
|
|
|
++ struct resource *res;
|
|
|
++ struct ag71xx *ag;
|
|
|
++ struct ag71xx_platform_data *pdata;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ pdata = pdev->dev.platform_data;
|
|
|
++ if (!pdata) {
|
|
|
++ dev_err(&pdev->dev, "no platform data specified\n");
|
|
|
++ err = -ENXIO;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (pdata->mii_bus_dev == NULL && pdata->phy_mask) {
|
|
|
++ dev_err(&pdev->dev, "no MII bus device specified\n");
|
|
|
++ err = -EINVAL;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ dev = alloc_etherdev(sizeof(*ag));
|
|
|
++ if (!dev) {
|
|
|
++ dev_err(&pdev->dev, "alloc_etherdev failed\n");
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (!pdata->max_frame_len || !pdata->desc_pktlen_mask)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ SET_NETDEV_DEV(dev, &pdev->dev);
|
|
|
++
|
|
|
++ ag = netdev_priv(dev);
|
|
|
++ ag->pdev = pdev;
|
|
|
++ ag->dev = dev;
|
|
|
++ ag->msg_enable = netif_msg_init(ag71xx_msg_level,
|
|
|
++ AG71XX_DEFAULT_MSG_ENABLE);
|
|
|
++ spin_lock_init(&ag->lock);
|
|
|
++
|
|
|
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac_base");
|
|
|
++ if (!res) {
|
|
|
++ dev_err(&pdev->dev, "no mac_base resource found\n");
|
|
|
++ err = -ENXIO;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag->mac_base = ioremap_nocache(res->start, res->end - res->start + 1);
|
|
|
++ if (!ag->mac_base) {
|
|
|
++ dev_err(&pdev->dev, "unable to ioremap mac_base\n");
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err_free_dev;
|
|
|
++ }
|
|
|
++
|
|
|
++ dev->irq = platform_get_irq(pdev, 0);
|
|
|
++ err = request_irq(dev->irq, ag71xx_interrupt,
|
|
|
++ IRQF_DISABLED,
|
|
|
++ dev->name, dev);
|
|
|
++ if (err) {
|
|
|
++ dev_err(&pdev->dev, "unable to request IRQ %d\n", dev->irq);
|
|
|
++ goto err_unmap_base;
|
|
|
++ }
|
|
|
++
|
|
|
++ dev->base_addr = (unsigned long)ag->mac_base;
|
|
|
++ dev->netdev_ops = &ag71xx_netdev_ops;
|
|
|
++ dev->ethtool_ops = &ag71xx_ethtool_ops;
|
|
|
++
|
|
|
++ INIT_WORK(&ag->restart_work, ag71xx_restart_work_func);
|
|
|
++
|
|
|
++ init_timer(&ag->oom_timer);
|
|
|
++ ag->oom_timer.data = (unsigned long) dev;
|
|
|
++ ag->oom_timer.function = ag71xx_oom_timer_handler;
|
|
|
++
|
|
|
++ ag->tx_ring.size = AG71XX_TX_RING_SIZE_DEFAULT;
|
|
|
++ ag->rx_ring.size = AG71XX_RX_RING_SIZE_DEFAULT;
|
|
|
++
|
|
|
++ ag->max_frame_len = pdata->max_frame_len;
|
|
|
++ ag->desc_pktlen_mask = pdata->desc_pktlen_mask;
|
|
|
++
|
|
|
++ ag->stop_desc = dma_alloc_coherent(NULL,
|
|
|
++ sizeof(struct ag71xx_desc), &ag->stop_desc_dma, GFP_KERNEL);
|
|
|
++
|
|
|
++ if (!ag->stop_desc)
|
|
|
++ goto err_free_irq;
|
|
|
++
|
|
|
++ ag->stop_desc->data = 0;
|
|
|
++ ag->stop_desc->ctrl = 0;
|
|
|
++ ag->stop_desc->next = (u32) ag->stop_desc_dma;
|
|
|
++
|
|
|
++ memcpy(dev->dev_addr, pdata->mac_addr, ETH_ALEN);
|
|
|
++
|
|
|
++ netif_napi_add(dev, &ag->napi, ag71xx_poll, AG71XX_NAPI_WEIGHT);
|
|
|
++
|
|
|
++ ag71xx_dump_regs(ag);
|
|
|
++
|
|
|
++ ag71xx_hw_init(ag);
|
|
|
++
|
|
|
++ ag71xx_dump_regs(ag);
|
|
|
++
|
|
|
++ err = ag71xx_phy_connect(ag);
|
|
|
++ if (err)
|
|
|
++ goto err_free_desc;
|
|
|
++
|
|
|
++ err = ag71xx_debugfs_init(ag);
|
|
|
++ if (err)
|
|
|
++ goto err_phy_disconnect;
|
|
|
++
|
|
|
++ platform_set_drvdata(pdev, dev);
|
|
|
++
|
|
|
++ err = register_netdev(dev);
|
|
|
++ if (err) {
|
|
|
++ dev_err(&pdev->dev, "unable to register net device\n");
|
|
|
++ goto err_debugfs_exit;
|
|
|
++ }
|
|
|
++
|
|
|
++ pr_info("%s: Atheros AG71xx at 0x%08lx, irq %d, mode:%s\n",
|
|
|
++ dev->name, dev->base_addr, dev->irq,
|
|
|
++ ag71xx_get_phy_if_mode_name(pdata->phy_if_mode));
|
|
|
++
|
|
|
++ return 0;
|
|
|
++
|
|
|
++err_debugfs_exit:
|
|
|
++ ag71xx_debugfs_exit(ag);
|
|
|
++err_phy_disconnect:
|
|
|
++ ag71xx_phy_disconnect(ag);
|
|
|
++err_free_desc:
|
|
|
++ dma_free_coherent(NULL, sizeof(struct ag71xx_desc), ag->stop_desc,
|
|
|
++ ag->stop_desc_dma);
|
|
|
++err_free_irq:
|
|
|
++ free_irq(dev->irq, dev);
|
|
|
++err_unmap_base:
|
|
|
++ iounmap(ag->mac_base);
|
|
|
++err_free_dev:
|
|
|
++ kfree(dev);
|
|
|
++err_out:
|
|
|
++ platform_set_drvdata(pdev, NULL);
|
|
|
++ return err;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_remove(struct platform_device *pdev)
|
|
|
++{
|
|
|
++ struct net_device *dev = platform_get_drvdata(pdev);
|
|
|
++
|
|
|
++ if (dev) {
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++
|
|
|
++ ag71xx_debugfs_exit(ag);
|
|
|
++ ag71xx_phy_disconnect(ag);
|
|
|
++ unregister_netdev(dev);
|
|
|
++ free_irq(dev->irq, dev);
|
|
|
++ iounmap(ag->mac_base);
|
|
|
++ kfree(dev);
|
|
|
++ platform_set_drvdata(pdev, NULL);
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static struct platform_driver ag71xx_driver = {
|
|
|
++ .probe = ag71xx_probe,
|
|
|
++ .remove = ag71xx_remove,
|
|
|
++ .driver = {
|
|
|
++ .name = AG71XX_DRV_NAME,
|
|
|
++ }
|
|
|
++};
|
|
|
++
|
|
|
++static int __init ag71xx_module_init(void)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = ag71xx_debugfs_root_init();
|
|
|
++ if (ret)
|
|
|
++ goto err_out;
|
|
|
++
|
|
|
++ ret = ag71xx_mdio_driver_init();
|
|
|
++ if (ret)
|
|
|
++ goto err_debugfs_exit;
|
|
|
++
|
|
|
++ ret = platform_driver_register(&ag71xx_driver);
|
|
|
++ if (ret)
|
|
|
++ goto err_mdio_exit;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++
|
|
|
++err_mdio_exit:
|
|
|
++ ag71xx_mdio_driver_exit();
|
|
|
++err_debugfs_exit:
|
|
|
++ ag71xx_debugfs_root_exit();
|
|
|
++err_out:
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void __exit ag71xx_module_exit(void)
|
|
|
++{
|
|
|
++ platform_driver_unregister(&ag71xx_driver);
|
|
|
++ ag71xx_mdio_driver_exit();
|
|
|
++ ag71xx_debugfs_root_exit();
|
|
|
++}
|
|
|
++
|
|
|
++module_init(ag71xx_module_init);
|
|
|
++module_exit(ag71xx_module_exit);
|
|
|
++
|
|
|
++MODULE_VERSION(AG71XX_DRV_VERSION);
|
|
|
++MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
|
|
|
++MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>");
|
|
|
++MODULE_LICENSE("GPL v2");
|
|
|
++MODULE_ALIAS("platform:" AG71XX_DRV_NAME);
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..71ae825
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,318 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ *
|
|
|
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++#define AG71XX_MDIO_RETRY 1000
|
|
|
++#define AG71XX_MDIO_DELAY 5
|
|
|
++
|
|
|
++static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
|
|
|
++ u32 value)
|
|
|
++{
|
|
|
++ void __iomem *r;
|
|
|
++
|
|
|
++ r = am->mdio_base + reg;
|
|
|
++ __raw_writel(value, r);
|
|
|
++
|
|
|
++ /* flush write */
|
|
|
++ (void) __raw_readl(r);
|
|
|
++}
|
|
|
++
|
|
|
++static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
|
|
|
++{
|
|
|
++ return __raw_readl(am->mdio_base + reg);
|
|
|
++}
|
|
|
++
|
|
|
++static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
|
|
|
++{
|
|
|
++ DBG("%s: mii_cfg=%08x, mii_cmd=%08x, mii_addr=%08x\n",
|
|
|
++ am->mii_bus->name,
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_CFG),
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_CMD),
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_ADDR));
|
|
|
++ DBG("%s: mii_ctrl=%08x, mii_status=%08x, mii_ind=%08x\n",
|
|
|
++ am->mii_bus->name,
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_CTRL),
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS),
|
|
|
++ ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_wait_busy(struct ag71xx_mdio *am)
|
|
|
++{
|
|
|
++ int i;
|
|
|
++
|
|
|
++ for (i = 0; i < AG71XX_MDIO_RETRY; i++) {
|
|
|
++ u32 busy;
|
|
|
++
|
|
|
++ udelay(AG71XX_MDIO_DELAY);
|
|
|
++
|
|
|
++ busy = ag71xx_mdio_rr(am, AG71XX_REG_MII_IND);
|
|
|
++ if (!busy)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ udelay(AG71XX_MDIO_DELAY);
|
|
|
++ }
|
|
|
++
|
|
|
++ pr_err("%s: MDIO operation timed out\n", am->mii_bus->name);
|
|
|
++
|
|
|
++ return -ETIMEDOUT;
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
|
|
|
++{
|
|
|
++ int err;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ err = ag71xx_mdio_wait_busy(am);
|
|
|
++ if (err)
|
|
|
++ return 0xffff;
|
|
|
++
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
|
|
|
++ ((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff));
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_READ);
|
|
|
++
|
|
|
++ err = ag71xx_mdio_wait_busy(am);
|
|
|
++ if (err)
|
|
|
++ return 0xffff;
|
|
|
++
|
|
|
++ ret = ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS) & 0xffff;
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
|
|
|
++
|
|
|
++ DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val)
|
|
|
++{
|
|
|
++ DBG("mii_write: addr=%04x, reg=%04x, value=%04x\n", addr, reg, val);
|
|
|
++
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
|
|
|
++ ((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff));
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CTRL, val);
|
|
|
++
|
|
|
++ ag71xx_mdio_wait_busy(am);
|
|
|
++}
|
|
|
++
|
|
|
++static const u32 ar71xx_mdio_div_table[] = {
|
|
|
++ 4, 4, 6, 8, 10, 14, 20, 28,
|
|
|
++};
|
|
|
++
|
|
|
++static const u32 ar7240_mdio_div_table[] = {
|
|
|
++ 2, 2, 4, 6, 8, 12, 18, 26, 32, 40, 48, 56, 62, 70, 78, 96,
|
|
|
++};
|
|
|
++
|
|
|
++static const u32 ar933x_mdio_div_table[] = {
|
|
|
++ 4, 4, 6, 8, 10, 14, 20, 28, 34, 42, 50, 58, 66, 74, 82, 98,
|
|
|
++};
|
|
|
++
|
|
|
++static int ag71xx_mdio_get_divider(struct ag71xx_mdio *am, u32 *div)
|
|
|
++{
|
|
|
++ unsigned long ref_clock, mdio_clock;
|
|
|
++ const u32 *table;
|
|
|
++ int ndivs;
|
|
|
++ int i;
|
|
|
++
|
|
|
++ ref_clock = am->pdata->ref_clock;
|
|
|
++ mdio_clock = am->pdata->mdio_clock;
|
|
|
++
|
|
|
++ if (!ref_clock || !mdio_clock)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ if (am->pdata->is_ar9330 || am->pdata->is_ar934x) {
|
|
|
++ table = ar933x_mdio_div_table;
|
|
|
++ ndivs = ARRAY_SIZE(ar933x_mdio_div_table);
|
|
|
++ } else if (am->pdata->is_ar7240) {
|
|
|
++ table = ar7240_mdio_div_table;
|
|
|
++ ndivs = ARRAY_SIZE(ar7240_mdio_div_table);
|
|
|
++ } else {
|
|
|
++ table = ar71xx_mdio_div_table;
|
|
|
++ ndivs = ARRAY_SIZE(ar71xx_mdio_div_table);
|
|
|
++ }
|
|
|
++
|
|
|
++ for (i = 0; i < ndivs; i++) {
|
|
|
++ unsigned long t;
|
|
|
++
|
|
|
++ t = ref_clock / table[i];
|
|
|
++ if (t <= mdio_clock) {
|
|
|
++ *div = i;
|
|
|
++ return 0;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ dev_err(&am->mii_bus->dev, "no divider found for %lu/%lu\n",
|
|
|
++ ref_clock, mdio_clock);
|
|
|
++ return -ENOENT;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_reset(struct mii_bus *bus)
|
|
|
++{
|
|
|
++ struct ag71xx_mdio *am = bus->priv;
|
|
|
++ u32 t;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ err = ag71xx_mdio_get_divider(am, &t);
|
|
|
++ if (err) {
|
|
|
++ /* fallback */
|
|
|
++ if (am->pdata->is_ar7240)
|
|
|
++ t = MII_CFG_CLK_DIV_6;
|
|
|
++ else if (am->pdata->builtin_switch && !am->pdata->is_ar934x)
|
|
|
++ t = MII_CFG_CLK_DIV_10;
|
|
|
++ else if (!am->pdata->builtin_switch && am->pdata->is_ar934x)
|
|
|
++ t = MII_CFG_CLK_DIV_58;
|
|
|
++ else
|
|
|
++ t = MII_CFG_CLK_DIV_28;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
|
|
|
++ udelay(100);
|
|
|
++
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t);
|
|
|
++ udelay(100);
|
|
|
++
|
|
|
++ if (am->pdata->reset)
|
|
|
++ am->pdata->reset(bus);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
|
|
|
++{
|
|
|
++ struct ag71xx_mdio *am = bus->priv;
|
|
|
++
|
|
|
++ if (am->pdata->builtin_switch)
|
|
|
++ return ar7240sw_phy_read(bus, addr, reg);
|
|
|
++ else
|
|
|
++ return ag71xx_mdio_mii_read(am, addr, reg);
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
|
|
|
++{
|
|
|
++ struct ag71xx_mdio *am = bus->priv;
|
|
|
++
|
|
|
++ if (am->pdata->builtin_switch)
|
|
|
++ ar7240sw_phy_write(bus, addr, reg, val);
|
|
|
++ else
|
|
|
++ ag71xx_mdio_mii_write(am, addr, reg, val);
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_probe(struct platform_device *pdev)
|
|
|
++{
|
|
|
++ struct ag71xx_mdio_platform_data *pdata;
|
|
|
++ struct ag71xx_mdio *am;
|
|
|
++ struct resource *res;
|
|
|
++ int i;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ pdata = pdev->dev.platform_data;
|
|
|
++ if (!pdata) {
|
|
|
++ dev_err(&pdev->dev, "no platform data specified\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ am = kzalloc(sizeof(*am), GFP_KERNEL);
|
|
|
++ if (!am) {
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ am->pdata = pdata;
|
|
|
++
|
|
|
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
|
++ if (!res) {
|
|
|
++ dev_err(&pdev->dev, "no iomem resource found\n");
|
|
|
++ err = -ENXIO;
|
|
|
++ goto err_out;
|
|
|
++ }
|
|
|
++
|
|
|
++ am->mdio_base = ioremap_nocache(res->start, res->end - res->start + 1);
|
|
|
++ if (!am->mdio_base) {
|
|
|
++ dev_err(&pdev->dev, "unable to ioremap registers\n");
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err_free_mdio;
|
|
|
++ }
|
|
|
++
|
|
|
++ am->mii_bus = mdiobus_alloc();
|
|
|
++ if (am->mii_bus == NULL) {
|
|
|
++ err = -ENOMEM;
|
|
|
++ goto err_iounmap;
|
|
|
++ }
|
|
|
++
|
|
|
++ am->mii_bus->name = "ag71xx_mdio";
|
|
|
++ am->mii_bus->read = ag71xx_mdio_read;
|
|
|
++ am->mii_bus->write = ag71xx_mdio_write;
|
|
|
++ am->mii_bus->reset = ag71xx_mdio_reset;
|
|
|
++ am->mii_bus->irq = am->mii_irq;
|
|
|
++ am->mii_bus->priv = am;
|
|
|
++ am->mii_bus->parent = &pdev->dev;
|
|
|
++ snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(&pdev->dev));
|
|
|
++ am->mii_bus->phy_mask = pdata->phy_mask;
|
|
|
++
|
|
|
++ for (i = 0; i < PHY_MAX_ADDR; i++)
|
|
|
++ am->mii_irq[i] = PHY_POLL;
|
|
|
++
|
|
|
++ ag71xx_mdio_wr(am, AG71XX_REG_MAC_CFG1, 0);
|
|
|
++
|
|
|
++ err = mdiobus_register(am->mii_bus);
|
|
|
++ if (err)
|
|
|
++ goto err_free_bus;
|
|
|
++
|
|
|
++ ag71xx_mdio_dump_regs(am);
|
|
|
++
|
|
|
++ platform_set_drvdata(pdev, am);
|
|
|
++ return 0;
|
|
|
++
|
|
|
++err_free_bus:
|
|
|
++ mdiobus_free(am->mii_bus);
|
|
|
++err_iounmap:
|
|
|
++ iounmap(am->mdio_base);
|
|
|
++err_free_mdio:
|
|
|
++ kfree(am);
|
|
|
++err_out:
|
|
|
++ return err;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_mdio_remove(struct platform_device *pdev)
|
|
|
++{
|
|
|
++ struct ag71xx_mdio *am = platform_get_drvdata(pdev);
|
|
|
++
|
|
|
++ if (am) {
|
|
|
++ mdiobus_unregister(am->mii_bus);
|
|
|
++ mdiobus_free(am->mii_bus);
|
|
|
++ iounmap(am->mdio_base);
|
|
|
++ kfree(am);
|
|
|
++ platform_set_drvdata(pdev, NULL);
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static struct platform_driver ag71xx_mdio_driver = {
|
|
|
++ .probe = ag71xx_mdio_probe,
|
|
|
++ .remove = ag71xx_mdio_remove,
|
|
|
++ .driver = {
|
|
|
++ .name = "ag71xx-mdio",
|
|
|
++ }
|
|
|
++};
|
|
|
++
|
|
|
++int __init ag71xx_mdio_driver_init(void)
|
|
|
++{
|
|
|
++ return platform_driver_register(&ag71xx_mdio_driver);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_mdio_driver_exit(void)
|
|
|
++{
|
|
|
++ platform_driver_unregister(&ag71xx_mdio_driver);
|
|
|
++}
|
|
|
+diff --git a/drivers/net/ethernet/atheros/ag71xx/ag71xx_phy.c b/drivers/net/ethernet/atheros/ag71xx/ag71xx_phy.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..9de77e9
|
|
|
+--- /dev/null
|
|
|
|
|
|
+@@ -0,0 +1,235 @@
|
|
|
++/*
|
|
|
++ * Atheros AR71xx built-in ethernet mac driver
|
|
|
++ *
|
|
|
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
|
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
|
++ *
|
|
|
++ * Based on Atheros' AG7100 driver
|
|
|
++ *
|
|
|
++ * This program is free software; you can redistribute it and/or modify it
|
|
|
++ * under the terms of the GNU General Public License version 2 as published
|
|
|
++ * by the Free Software Foundation.
|
|
|
++ */
|
|
|
++
|
|
|
++#include "ag71xx.h"
|
|
|
++
|
|
|
++static void ag71xx_phy_link_adjust(struct net_device *dev)
|
|
|
++{
|
|
|
++ struct ag71xx *ag = netdev_priv(dev);
|
|
|
++ struct phy_device *phydev = ag->phy_dev;
|
|
|
++ unsigned long flags;
|
|
|
++ int status_change = 0;
|
|
|
++
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++
|
|
|
++ if (phydev->link) {
|
|
|
++ if (ag->duplex != phydev->duplex
|
|
|
++ || ag->speed != phydev->speed) {
|
|
|
++ status_change = 1;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ if (phydev->link != ag->link)
|
|
|
++ status_change = 1;
|
|
|
++
|
|
|
++ ag->link = phydev->link;
|
|
|
++ ag->duplex = phydev->duplex;
|
|
|
++ ag->speed = phydev->speed;
|
|
|
++
|
|
|
++ if (status_change)
|
|
|
++ ag71xx_link_adjust(ag);
|
|
|
++
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_phy_start(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++
|
|
|
++ if (ag->phy_dev) {
|
|
|
++ phy_start(ag->phy_dev);
|
|
|
++ } else if (pdata->mii_bus_dev && pdata->switch_data) {
|
|
|
++ ag71xx_ar7240_start(ag);
|
|
|
++ } else {
|
|
|
++ ag->link = 1;
|
|
|
++ ag71xx_link_adjust(ag);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_phy_stop(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ unsigned long flags;
|
|
|
++
|
|
|
++ if (ag->phy_dev)
|
|
|
++ phy_stop(ag->phy_dev);
|
|
|
++ else if (pdata->mii_bus_dev && pdata->switch_data)
|
|
|
++ ag71xx_ar7240_stop(ag);
|
|
|
++
|
|
|
++ spin_lock_irqsave(&ag->lock, flags);
|
|
|
++ if (ag->link) {
|
|
|
++ ag->link = 0;
|
|
|
++ ag71xx_link_adjust(ag);
|
|
|
++ }
|
|
|
++ spin_unlock_irqrestore(&ag->lock, flags);
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_phy_connect_fixed(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct device *dev = &ag->pdev->dev;
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ int ret = 0;
|
|
|
++
|
|
|
++ /* use fixed settings */
|
|
|
++ switch (pdata->speed) {
|
|
|
++ case SPEED_10:
|
|
|
++ case SPEED_100:
|
|
|
++ case SPEED_1000:
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ dev_err(dev, "invalid speed specified\n");
|
|
|
++ ret = -EINVAL;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ dev_dbg(dev, "using fixed link parameters\n");
|
|
|
++
|
|
|
++ ag->duplex = pdata->duplex;
|
|
|
++ ag->speed = pdata->speed;
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int ag71xx_phy_connect_multi(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct device *dev = &ag->pdev->dev;
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++ struct phy_device *phydev = NULL;
|
|
|
++ int phy_addr;
|
|
|
++ int ret = 0;
|
|
|
++
|
|
|
++ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
|
|
|
++ if (!(pdata->phy_mask & (1 << phy_addr)))
|
|
|
++ continue;
|
|
|
++
|
|
|
++ if (ag->mii_bus->phy_map[phy_addr] == NULL)
|
|
|
++ continue;
|
|
|
++
|
|
|
++ DBG("%s: PHY found at %s, uid=%08x\n",
|
|
|
++ dev_name(dev),
|
|
|
++ dev_name(&ag->mii_bus->phy_map[phy_addr]->dev),
|
|
|
++ ag->mii_bus->phy_map[phy_addr]->phy_id);
|
|
|
++
|
|
|
++ if (phydev == NULL)
|
|
|
++ phydev = ag->mii_bus->phy_map[phy_addr];
|
|
|
++ }
|
|
|
++
|
|
|
++ if (!phydev) {
|
|
|
++ dev_err(dev, "no PHY found with phy_mask=%08x\n",
|
|
|
++ pdata->phy_mask);
|
|
|
++ return -ENODEV;
|
|
|
++ }
|
|
|
++
|
|
|
++ ag->phy_dev = phy_connect(ag->dev, dev_name(&phydev->dev),
|
|
|
++ &ag71xx_phy_link_adjust,
|
|
|
++ pdata->phy_if_mode);
|
|
|
++
|
|
|
++ if (IS_ERR(ag->phy_dev)) {
|
|
|
++ dev_err(dev, "could not connect to PHY at %s\n",
|
|
|
++ dev_name(&phydev->dev));
|
|
|
++ return PTR_ERR(ag->phy_dev);
|
|
|
++ }
|
|
|
++
|
|
|
++ /* mask with MAC supported features */
|
|
|
++ if (pdata->has_gbit)
|
|
|
++ phydev->supported &= PHY_GBIT_FEATURES;
|
|
|
++ else
|
|
|
++ phydev->supported &= PHY_BASIC_FEATURES;
|
|
|
++
|
|
|
++ phydev->advertising = phydev->supported;
|
|
|
++
|
|
|
++ dev_info(dev, "connected to PHY at %s [uid=%08x, driver=%s]\n",
|
|
|
++ dev_name(&phydev->dev), phydev->phy_id, phydev->drv->name);
|
|
|
++
|
|
|
++ ag->link = 0;
|
|
|
++ ag->speed = 0;
|
|
|
++ ag->duplex = -1;
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int dev_is_class(struct device *dev, void *class)
|
|
|
++{
|
|
|
++ if (dev->class != NULL && !strcmp(dev->class->name, class))
|
|
|
++ return 1;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static struct device *dev_find_class(struct device *parent, char *class)
|
|
|
++{
|
|
|
++ if (dev_is_class(parent, class)) {
|
|
|
++ get_device(parent);
|
|
|
++ return parent;
|
|
|
++ }
|
|
|
++
|
|
|
++ return device_find_child(parent, class, dev_is_class);
|
|
|
++}
|
|
|
++
|
|
|
++static struct mii_bus *dev_to_mii_bus(struct device *dev)
|
|
|
++{
|
|
|
++ struct device *d;
|
|
|
++
|
|
|
++ d = dev_find_class(dev, "mdio_bus");
|
|
|
++ if (d != NULL) {
|
|
|
++ struct mii_bus *bus;
|
|
|
++
|
|
|
++ bus = to_mii_bus(d);
|
|
|
++ put_device(d);
|
|
|
++
|
|
|
++ return bus;
|
|
|
++ }
|
|
|
++
|
|
|
++ return NULL;
|
|
|
++}
|
|
|
++
|
|
|
++int ag71xx_phy_connect(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++
|
|
|
++ if (pdata->mii_bus_dev == NULL ||
|
|
|
++ pdata->mii_bus_dev->bus == NULL )
|
|
|
++ return ag71xx_phy_connect_fixed(ag);
|
|
|
++
|
|
|
++ ag->mii_bus = dev_to_mii_bus(pdata->mii_bus_dev);
|
|
|
++ if (ag->mii_bus == NULL) {
|
|
|
++ dev_err(&ag->pdev->dev, "unable to find MII bus on device '%s'\n",
|
|
|
++ dev_name(pdata->mii_bus_dev));
|
|
|
++ return -ENODEV;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Reset the mdio bus explicitly */
|
|
|
++ if (ag->mii_bus->reset) {
|
|
|
++ mutex_lock(&ag->mii_bus->mdio_lock);
|
|
|
++ ag->mii_bus->reset(ag->mii_bus);
|
|
|
++ mutex_unlock(&ag->mii_bus->mdio_lock);
|
|
|
++ }
|
|
|
++
|
|
|
++ if (pdata->switch_data)
|
|
|
++ return ag71xx_ar7240_init(ag);
|
|
|
++
|
|
|
++ if (pdata->phy_mask)
|
|
|
++ return ag71xx_phy_connect_multi(ag);
|
|
|
++
|
|
|
++ return ag71xx_phy_connect_fixed(ag);
|
|
|
++}
|
|
|
++
|
|
|
++void ag71xx_phy_disconnect(struct ag71xx *ag)
|
|
|
++{
|
|
|
++ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
|
|
|
++
|
|
|
++ if (pdata->switch_data)
|
|
|
++ ag71xx_ar7240_cleanup(ag);
|
|
|
++ else if (ag->phy_dev)
|
|
|
++ phy_disconnect(ag->phy_dev);
|
|
|
++}
|
|
|
+--
|
|
|
+1.8.5.3
|
|
|
+
|