OpenWrt – Rev 4
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/*
* Atheros AR71xx SoC platform devices
*
* Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
* Copyright (C) 2008-2012 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Parts of this file are based on Atheros 2.6.15 BSP
* Parts of this file are based on Atheros 2.6.31 BSP
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/sizes.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/irq.h>
#include "common.h"
#include "dev-eth.h"
unsigned char ath79_mac_base[ETH_ALEN] __initdata;
static struct resource ath79_mdio0_resources[] = {
{
.name = "mdio_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE0_BASE,
.end = AR71XX_GE0_BASE + 0x200 - 1,
}
};
struct ag71xx_mdio_platform_data ath79_mdio0_data;
struct platform_device ath79_mdio0_device = {
.name = "ag71xx-mdio",
.id = 0,
.resource = ath79_mdio0_resources,
.num_resources = ARRAY_SIZE(ath79_mdio0_resources),
.dev = {
.platform_data = &ath79_mdio0_data,
},
};
static struct resource ath79_mdio1_resources[] = {
{
.name = "mdio_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE1_BASE,
.end = AR71XX_GE1_BASE + 0x200 - 1,
}
};
struct ag71xx_mdio_platform_data ath79_mdio1_data;
struct platform_device ath79_mdio1_device = {
.name = "ag71xx-mdio",
.id = 1,
.resource = ath79_mdio1_resources,
.num_resources = ARRAY_SIZE(ath79_mdio1_resources),
.dev = {
.platform_data = &ath79_mdio1_data,
},
};
static void ath79_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
{
void __iomem *base;
u32 t;
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
t = __raw_readl(base + cfg_reg);
t &= ~(3 << shift);
t |= (2 << shift);
__raw_writel(t, base + cfg_reg);
udelay(100);
__raw_writel(pll_val, base + pll_reg);
t |= (3 << shift);
__raw_writel(t, base + cfg_reg);
udelay(100);
t &= ~(3 << shift);
__raw_writel(t, base + cfg_reg);
udelay(100);
printk(KERN_DEBUG "ar71xx: pll_reg %#x: %#x\n",
(unsigned int)(base + pll_reg), __raw_readl(base + pll_reg));
iounmap(base);
}
static void __init ath79_mii_ctrl_set_if(unsigned int reg,
unsigned int mii_if)
{
void __iomem *base;
u32 t;
base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
t = __raw_readl(base + reg);
t &= ~(AR71XX_MII_CTRL_IF_MASK);
t |= (mii_if & AR71XX_MII_CTRL_IF_MASK);
__raw_writel(t, base + reg);
iounmap(base);
}
static void ath79_mii_ctrl_set_speed(unsigned int reg, unsigned int speed)
{
void __iomem *base;
unsigned int mii_speed;
u32 t;
switch (speed) {
case SPEED_10:
mii_speed = AR71XX_MII_CTRL_SPEED_10;
break;
case SPEED_100:
mii_speed = AR71XX_MII_CTRL_SPEED_100;
break;
case SPEED_1000:
mii_speed = AR71XX_MII_CTRL_SPEED_1000;
break;
default:
BUG();
}
base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
t = __raw_readl(base + reg);
t &= ~(AR71XX_MII_CTRL_SPEED_MASK << AR71XX_MII_CTRL_SPEED_SHIFT);
t |= mii_speed << AR71XX_MII_CTRL_SPEED_SHIFT;
__raw_writel(t, base + reg);
iounmap(base);
}
static unsigned long ar934x_get_mdio_ref_clock(void)
{
void __iomem *base;
unsigned long ret;
u32 t;
base = ioremap(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
ret = 0;
t = __raw_readl(base + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG);
if (t & AR934X_PLL_SWITCH_CLOCK_CONTROL_MDIO_CLK_SEL) {
ret = 100 * 1000 * 1000;
} else {
struct clk *clk;
clk = clk_get(NULL, "ref");
if (!IS_ERR(clk))
ret = clk_get_rate(clk);
}
iounmap(base);
return ret;
}
void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
{
struct platform_device *mdio_dev;
struct ag71xx_mdio_platform_data *mdio_data;
unsigned int max_id;
if (ath79_soc == ATH79_SOC_AR9341 ||
ath79_soc == ATH79_SOC_AR9342 ||
ath79_soc == ATH79_SOC_AR9344 ||
ath79_soc == ATH79_SOC_QCA9556 ||
ath79_soc == ATH79_SOC_QCA9558 ||
ath79_soc == ATH79_SOC_QCA956X)
max_id = 1;
else
max_id = 0;
if (id > max_id) {
printk(KERN_ERR "ar71xx: invalid MDIO id %u\n", id);
return;
}
switch (ath79_soc) {
case ATH79_SOC_AR7241:
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
case ATH79_SOC_QCA9533:
case ATH79_SOC_TP9343:
mdio_dev = &ath79_mdio1_device;
mdio_data = &ath79_mdio1_data;
break;
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
case ATH79_SOC_QCA956X:
if (id == 0) {
mdio_dev = &ath79_mdio0_device;
mdio_data = &ath79_mdio0_data;
} else {
mdio_dev = &ath79_mdio1_device;
mdio_data = &ath79_mdio1_data;
}
break;
case ATH79_SOC_AR7242:
ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
AR71XX_ETH0_PLL_SHIFT);
/* fall through */
default:
mdio_dev = &ath79_mdio0_device;
mdio_data = &ath79_mdio0_data;
break;
}
mdio_data->phy_mask = phy_mask;
switch (ath79_soc) {
case ATH79_SOC_AR7240:
mdio_data->is_ar7240 = 1;
/* fall through */
case ATH79_SOC_AR7241:
mdio_data->builtin_switch = 1;
break;
case ATH79_SOC_AR9330:
mdio_data->is_ar9330 = 1;
/* fall through */
case ATH79_SOC_AR9331:
mdio_data->builtin_switch = 1;
break;
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
if (id == 1) {
mdio_data->builtin_switch = 1;
mdio_data->ref_clock = ar934x_get_mdio_ref_clock();
mdio_data->mdio_clock = 6250000;
}
mdio_data->is_ar934x = 1;
break;
case ATH79_SOC_QCA9533:
case ATH79_SOC_TP9343:
mdio_data->builtin_switch = 1;
break;
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
mdio_data->is_ar934x = 1;
break;
case ATH79_SOC_QCA956X:
if (id == 1)
mdio_data->builtin_switch = 1;
mdio_data->is_ar934x = 1;
break;
default:
break;
}
platform_device_register(mdio_dev);
}
struct ath79_eth_pll_data ath79_eth0_pll_data;
struct ath79_eth_pll_data ath79_eth1_pll_data;
static u32 ath79_get_eth_pll(unsigned int mac, int speed)
{
struct ath79_eth_pll_data *pll_data;
u32 pll_val;
switch (mac) {
case 0:
pll_data = &ath79_eth0_pll_data;
break;
case 1:
pll_data = &ath79_eth1_pll_data;
break;
default:
BUG();
}
switch (speed) {
case SPEED_10:
pll_val = pll_data->pll_10;
break;
case SPEED_100:
pll_val = pll_data->pll_100;
break;
case SPEED_1000:
pll_val = pll_data->pll_1000;
break;
default:
BUG();
}
return pll_val;
}
static void ath79_set_speed_ge0(int speed)
{
u32 val = ath79_get_eth_pll(0, speed);
ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
val, AR71XX_ETH0_PLL_SHIFT);
ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
}
static void ath79_set_speed_ge1(int speed)
{
u32 val = ath79_get_eth_pll(1, speed);
ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
val, AR71XX_ETH1_PLL_SHIFT);
ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
}
static void ar7242_set_speed_ge0(int speed)
{
u32 val = ath79_get_eth_pll(0, speed);
void __iomem *base;
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
__raw_writel(val, base + AR7242_PLL_REG_ETH0_INT_CLOCK);
iounmap(base);
}
static void ar91xx_set_speed_ge0(int speed)
{
u32 val = ath79_get_eth_pll(0, speed);
ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH0_INT_CLOCK,
val, AR913X_ETH0_PLL_SHIFT);
ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
}
static void ar91xx_set_speed_ge1(int speed)
{
u32 val = ath79_get_eth_pll(1, speed);
ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH1_INT_CLOCK,
val, AR913X_ETH1_PLL_SHIFT);
ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
}
static void ar934x_set_speed_ge0(int speed)
{
void __iomem *base;
u32 val = ath79_get_eth_pll(0, speed);
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
__raw_writel(val, base + AR934X_PLL_ETH_XMII_CONTROL_REG);
iounmap(base);
}
static void qca955x_set_speed_xmii(int speed)
{
void __iomem *base;
u32 val = ath79_get_eth_pll(0, speed);
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
__raw_writel(val, base + QCA955X_PLL_ETH_XMII_CONTROL_REG);
iounmap(base);
}
static void qca955x_set_speed_sgmii(int id, int speed)
{
void __iomem *base;
u32 val = ath79_get_eth_pll(id, speed);
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
__raw_writel(val, base + QCA955X_PLL_ETH_SGMII_CONTROL_REG);
iounmap(base);
}
static void qca9556_set_speed_sgmii(int speed)
{
qca955x_set_speed_sgmii(0, speed);
}
static void qca9558_set_speed_sgmii(int speed)
{
qca955x_set_speed_sgmii(1, speed);
}
static void qca956x_set_speed_sgmii(int speed)
{
void __iomem *base;
u32 val = ath79_get_eth_pll(0, speed);
base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
__raw_writel(val, base + QCA955X_PLL_ETH_SGMII_CONTROL_REG);
iounmap(base);
}
static void ath79_set_speed_dummy(int speed)
{
}
static void ath79_ddr_flush_ge0(void)
{
ath79_ddr_wb_flush(0);
}
static void ath79_ddr_flush_ge1(void)
{
ath79_ddr_wb_flush(1);
}
static struct resource ath79_eth0_resources[] = {
{
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE0_BASE,
.end = AR71XX_GE0_BASE + 0x200 - 1,
}, {
.name = "mac_irq",
.flags = IORESOURCE_IRQ,
.start = ATH79_CPU_IRQ(4),
.end = ATH79_CPU_IRQ(4),
},
};
struct ag71xx_platform_data ath79_eth0_data = {
.reset_bit = AR71XX_RESET_GE0_MAC,
};
struct platform_device ath79_eth0_device = {
.name = "ag71xx",
.id = 0,
.resource = ath79_eth0_resources,
.num_resources = ARRAY_SIZE(ath79_eth0_resources),
.dev = {
.platform_data = &ath79_eth0_data,
},
};
static struct resource ath79_eth1_resources[] = {
{
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE1_BASE,
.end = AR71XX_GE1_BASE + 0x200 - 1,
}, {
.name = "mac_irq",
.flags = IORESOURCE_IRQ,
.start = ATH79_CPU_IRQ(5),
.end = ATH79_CPU_IRQ(5),
},
};
struct ag71xx_platform_data ath79_eth1_data = {
.reset_bit = AR71XX_RESET_GE1_MAC,
};
struct platform_device ath79_eth1_device = {
.name = "ag71xx",
.id = 1,
.resource = ath79_eth1_resources,
.num_resources = ARRAY_SIZE(ath79_eth1_resources),
.dev = {
.platform_data = &ath79_eth1_data,
},
};
struct ag71xx_switch_platform_data ath79_switch_data;
#define AR71XX_PLL_VAL_1000 0x00110000
#define AR71XX_PLL_VAL_100 0x00001099
#define AR71XX_PLL_VAL_10 0x00991099
#define AR724X_PLL_VAL_1000 0x00110000
#define AR724X_PLL_VAL_100 0x00001099
#define AR724X_PLL_VAL_10 0x00991099
#define AR7242_PLL_VAL_1000 0x16000000
#define AR7242_PLL_VAL_100 0x00000101
#define AR7242_PLL_VAL_10 0x00001616
#define AR913X_PLL_VAL_1000 0x1a000000
#define AR913X_PLL_VAL_100 0x13000a44
#define AR913X_PLL_VAL_10 0x00441099
#define AR933X_PLL_VAL_1000 0x00110000
#define AR933X_PLL_VAL_100 0x00001099
#define AR933X_PLL_VAL_10 0x00991099
#define AR934X_PLL_VAL_1000 0x16000000
#define AR934X_PLL_VAL_100 0x00000101
#define AR934X_PLL_VAL_10 0x00001616
#define QCA956X_PLL_VAL_1000 0x03000000
#define QCA956X_PLL_VAL_100 0x00000101
#define QCA956X_PLL_VAL_10 0x00001919
static void __init ath79_init_eth_pll_data(unsigned int id)
{
struct ath79_eth_pll_data *pll_data;
u32 pll_10, pll_100, pll_1000;
switch (id) {
case 0:
pll_data = &ath79_eth0_pll_data;
break;
case 1:
pll_data = &ath79_eth1_pll_data;
break;
default:
BUG();
}
switch (ath79_soc) {
case ATH79_SOC_AR7130:
case ATH79_SOC_AR7141:
case ATH79_SOC_AR7161:
pll_10 = AR71XX_PLL_VAL_10;
pll_100 = AR71XX_PLL_VAL_100;
pll_1000 = AR71XX_PLL_VAL_1000;
break;
case ATH79_SOC_AR7240:
case ATH79_SOC_AR7241:
pll_10 = AR724X_PLL_VAL_10;
pll_100 = AR724X_PLL_VAL_100;
pll_1000 = AR724X_PLL_VAL_1000;
break;
case ATH79_SOC_AR7242:
pll_10 = AR7242_PLL_VAL_10;
pll_100 = AR7242_PLL_VAL_100;
pll_1000 = AR7242_PLL_VAL_1000;
break;
case ATH79_SOC_AR9130:
case ATH79_SOC_AR9132:
pll_10 = AR913X_PLL_VAL_10;
pll_100 = AR913X_PLL_VAL_100;
pll_1000 = AR913X_PLL_VAL_1000;
break;
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
pll_10 = AR933X_PLL_VAL_10;
pll_100 = AR933X_PLL_VAL_100;
pll_1000 = AR933X_PLL_VAL_1000;
break;
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
case ATH79_SOC_QCA9533:
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
case ATH79_SOC_TP9343:
pll_10 = AR934X_PLL_VAL_10;
pll_100 = AR934X_PLL_VAL_100;
pll_1000 = AR934X_PLL_VAL_1000;
break;
case ATH79_SOC_QCA956X:
pll_10 = QCA956X_PLL_VAL_10;
pll_100 = QCA956X_PLL_VAL_100;
pll_1000 = QCA956X_PLL_VAL_1000;
break;
default:
BUG();
}
if (!pll_data->pll_10)
pll_data->pll_10 = pll_10;
if (!pll_data->pll_100)
pll_data->pll_100 = pll_100;
if (!pll_data->pll_1000)
pll_data->pll_1000 = pll_1000;
}
static int __init ath79_setup_phy_if_mode(unsigned int id,
struct ag71xx_platform_data *pdata)
{
unsigned int mii_if;
switch (id) {
case 0:
switch (ath79_soc) {
case ATH79_SOC_AR7130:
case ATH79_SOC_AR7141:
case ATH79_SOC_AR7161:
case ATH79_SOC_AR9130:
case ATH79_SOC_AR9132:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_MII:
mii_if = AR71XX_MII0_CTRL_IF_MII;
break;
case PHY_INTERFACE_MODE_GMII:
mii_if = AR71XX_MII0_CTRL_IF_GMII;
break;
case PHY_INTERFACE_MODE_RGMII:
mii_if = AR71XX_MII0_CTRL_IF_RGMII;
break;
case PHY_INTERFACE_MODE_RMII:
mii_if = AR71XX_MII0_CTRL_IF_RMII;
break;
default:
return -EINVAL;
}
ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII0_CTRL, mii_if);
break;
case ATH79_SOC_AR7240:
case ATH79_SOC_AR7241:
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
case ATH79_SOC_QCA9533:
case ATH79_SOC_TP9343:
pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
break;
case ATH79_SOC_AR7242:
/* FIXME */
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_GMII:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RMII:
break;
default:
return -EINVAL;
}
break;
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
case ATH79_SOC_QCA956X:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
break;
default:
return -EINVAL;
}
break;
default:
BUG();
}
break;
case 1:
switch (ath79_soc) {
case ATH79_SOC_AR7130:
case ATH79_SOC_AR7141:
case ATH79_SOC_AR7161:
case ATH79_SOC_AR9130:
case ATH79_SOC_AR9132:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_RMII:
mii_if = AR71XX_MII1_CTRL_IF_RMII;
break;
case PHY_INTERFACE_MODE_RGMII:
mii_if = AR71XX_MII1_CTRL_IF_RGMII;
break;
default:
return -EINVAL;
}
ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII1_CTRL, mii_if);
break;
case ATH79_SOC_AR7240:
case ATH79_SOC_AR7241:
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
case ATH79_SOC_TP9343:
pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
break;
case ATH79_SOC_AR7242:
/* FIXME */
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
case ATH79_SOC_QCA9533:
case ATH79_SOC_QCA956X:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_GMII:
break;
default:
return -EINVAL;
}
break;
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
break;
default:
return -EINVAL;
}
break;
default:
BUG();
}
break;
}
return 0;
}
void __init ath79_setup_ar933x_phy4_switch(bool mac, bool mdio)
{
void __iomem *base;
u32 t;
base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
t &= ~(AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
if (mac)
t |= AR933X_ETH_CFG_SW_PHY_SWAP;
if (mdio)
t |= AR933X_ETH_CFG_SW_PHY_ADDR_SWAP;
__raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
iounmap(base);
}
void __init ath79_setup_ar934x_eth_cfg(u32 mask)
{
void __iomem *base;
u32 t;
base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 |
AR934X_ETH_CFG_MII_GMAC0 |
AR934X_ETH_CFG_GMII_GMAC0 |
AR934X_ETH_CFG_SW_ONLY_MODE |
AR934X_ETH_CFG_SW_PHY_SWAP);
t |= mask;
__raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
/* flush write */
__raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
iounmap(base);
}
void __init ath79_setup_ar934x_eth_rx_delay(unsigned int rxd,
unsigned int rxdv)
{
void __iomem *base;
u32 t;
rxd &= AR934X_ETH_CFG_RXD_DELAY_MASK;
rxdv &= AR934X_ETH_CFG_RDV_DELAY_MASK;
base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
t &= ~(AR934X_ETH_CFG_RXD_DELAY_MASK << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
AR934X_ETH_CFG_RDV_DELAY_MASK << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
t |= (rxd << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
rxdv << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
__raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
/* flush write */
__raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
iounmap(base);
}
void __init ath79_setup_qca955x_eth_cfg(u32 mask)
{
void __iomem *base;
u32 t;
base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
t = __raw_readl(base + QCA955X_GMAC_REG_ETH_CFG);
t &= ~(QCA955X_ETH_CFG_RGMII_EN | QCA955X_ETH_CFG_GE0_SGMII);
t |= mask;
__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
iounmap(base);
}
void __init ath79_setup_qca956x_eth_cfg(u32 mask)
{
void __iomem *base;
u32 t;
base = ioremap(QCA956X_GMAC_BASE, QCA956X_GMAC_SIZE);
t = __raw_readl(base + QCA956X_GMAC_REG_ETH_CFG);
t &= ~(QCA956X_ETH_CFG_SW_ONLY_MODE |
QCA956X_ETH_CFG_SW_PHY_SWAP);
t |= mask;
__raw_writel(t, base + QCA956X_GMAC_REG_ETH_CFG);
/* flush write */
__raw_readl(base + QCA956X_GMAC_REG_ETH_CFG);
iounmap(base);
}
static int ath79_eth_instance __initdata;
void __init ath79_register_eth(unsigned int id)
{
struct platform_device *pdev;
struct ag71xx_platform_data *pdata;
int err;
if (id > 1) {
printk(KERN_ERR "ar71xx: invalid ethernet id %d\n", id);
return;
}
ath79_init_eth_pll_data(id);
if (id == 0)
pdev = &ath79_eth0_device;
else
pdev = &ath79_eth1_device;
pdata = pdev->dev.platform_data;
pdata->max_frame_len = 1540;
pdata->desc_pktlen_mask = 0xfff;
err = ath79_setup_phy_if_mode(id, pdata);
if (err) {
printk(KERN_ERR
"ar71xx: invalid PHY interface mode for GE%u\n", id);
return;
}
if (id == 0)
pdata->ddr_flush = ath79_ddr_flush_ge0;
else
pdata->ddr_flush = ath79_ddr_flush_ge1;
switch (ath79_soc) {
case ATH79_SOC_AR7130:
if (id == 0)
pdata->set_speed = ath79_set_speed_ge0;
else
pdata->set_speed = ath79_set_speed_ge1;
break;
case ATH79_SOC_AR7141:
case ATH79_SOC_AR7161:
if (id == 0)
pdata->set_speed = ath79_set_speed_ge0;
else
pdata->set_speed = ath79_set_speed_ge1;
pdata->has_gbit = 1;
break;
case ATH79_SOC_AR7242:
if (id == 0) {
pdata->reset_bit |= AR724X_RESET_GE0_MDIO |
AR71XX_RESET_GE0_PHY;
pdata->set_speed = ar7242_set_speed_ge0;
} else {
pdata->reset_bit |= AR724X_RESET_GE1_MDIO |
AR71XX_RESET_GE1_PHY;
pdata->set_speed = ath79_set_speed_dummy;
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
break;
case ATH79_SOC_AR7241:
if (id == 0)
pdata->reset_bit |= AR724X_RESET_GE0_MDIO;
else
pdata->reset_bit |= AR724X_RESET_GE1_MDIO;
/* fall through */
case ATH79_SOC_AR7240:
if (id == 0) {
pdata->reset_bit |= AR71XX_RESET_GE0_PHY;
pdata->set_speed = ath79_set_speed_dummy;
pdata->phy_mask = BIT(4);
} else {
pdata->reset_bit |= AR71XX_RESET_GE1_PHY;
pdata->set_speed = ath79_set_speed_dummy;
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->use_flow_control = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
if (ath79_soc == ATH79_SOC_AR7240)
pdata->is_ar7240 = 1;
break;
case ATH79_SOC_AR9132:
pdata->has_gbit = 1;
/* fall through */
case ATH79_SOC_AR9130:
if (id == 0)
pdata->set_speed = ar91xx_set_speed_ge0;
else
pdata->set_speed = ar91xx_set_speed_ge1;
pdata->is_ar91xx = 1;
break;
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
if (id == 0) {
pdata->reset_bit = AR933X_RESET_GE0_MAC |
AR933X_RESET_GE0_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
pdata->phy_mask = BIT(4);
} else {
pdata->reset_bit = AR933X_RESET_GE1_MAC |
AR933X_RESET_GE1_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
pdata->speed = SPEED_1000;
pdata->has_gbit = 1;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->use_flow_control = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
pdata->is_ar724x = 1;
break;
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
case ATH79_SOC_QCA9533:
if (id == 0) {
pdata->reset_bit = AR934X_RESET_GE0_MAC |
AR934X_RESET_GE0_MDIO;
pdata->set_speed = ar934x_set_speed_ge0;
if (ath79_soc == ATH79_SOC_QCA9533)
pdata->disable_inline_checksum_engine = 1;
} else {
pdata->reset_bit = AR934X_RESET_GE1_MAC |
AR934X_RESET_GE1_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
pdata->switch_data = &ath79_switch_data;
/* reset the built-in switch */
ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
pdata->max_frame_len = SZ_16K - 1;
pdata->desc_pktlen_mask = SZ_16K - 1;
break;
case ATH79_SOC_TP9343:
if (id == 0) {
pdata->reset_bit = AR933X_RESET_GE0_MAC |
AR933X_RESET_GE0_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
if (!pdata->phy_mask)
pdata->phy_mask = BIT(4);
} else {
pdata->reset_bit = AR933X_RESET_GE1_MAC |
AR933X_RESET_GE1_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->use_flow_control = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
break;
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
if (id == 0) {
pdata->reset_bit = QCA955X_RESET_GE0_MAC |
QCA955X_RESET_GE0_MDIO;
pdata->set_speed = qca955x_set_speed_xmii;
/* QCA9556 only has SGMII interface */
if (ath79_soc == ATH79_SOC_QCA9556)
pdata->set_speed = qca9556_set_speed_sgmii;
} else {
pdata->reset_bit = QCA955X_RESET_GE1_MAC |
QCA955X_RESET_GE1_MDIO;
pdata->set_speed = qca9558_set_speed_sgmii;
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
/*
* Limit the maximum frame length to 4095 bytes.
* Although the documentation says that the hardware
* limit is 16383 bytes but that does not work in
* practice. It seems that the hardware only updates
* the lowest 12 bits of the packet length field
* in the RX descriptor.
*/
pdata->max_frame_len = SZ_4K - 1;
pdata->desc_pktlen_mask = SZ_16K - 1;
break;
case ATH79_SOC_QCA956X:
if (id == 0) {
pdata->reset_bit = QCA955X_RESET_GE0_MAC |
QCA955X_RESET_GE0_MDIO;
if (pdata->phy_if_mode == PHY_INTERFACE_MODE_SGMII)
pdata->set_speed = qca956x_set_speed_sgmii;
else
pdata->set_speed = ar934x_set_speed_ge0;
pdata->disable_inline_checksum_engine = 1;
} else {
pdata->reset_bit = QCA955X_RESET_GE1_MAC |
QCA955X_RESET_GE1_MDIO;
pdata->set_speed = ath79_set_speed_dummy;
pdata->switch_data = &ath79_switch_data;
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->use_flow_control = 1;
/* reset the built-in switch */
ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
}
pdata->has_gbit = 1;
pdata->is_ar724x = 1;
break;
default:
BUG();
}
switch (pdata->phy_if_mode) {
case PHY_INTERFACE_MODE_GMII:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
if (!pdata->has_gbit) {
printk(KERN_ERR "ar71xx: no gbit available on eth%d\n",
id);
return;
}
/* fallthrough */
default:
break;
}
if (!is_valid_ether_addr(pdata->mac_addr)) {
random_ether_addr(pdata->mac_addr);
printk(KERN_DEBUG
"ar71xx: using random MAC address for eth%d\n",
ath79_eth_instance);
}
if (pdata->mii_bus_dev == NULL) {
switch (ath79_soc) {
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
if (id == 0)
pdata->mii_bus_dev = &ath79_mdio0_device.dev;
else
pdata->mii_bus_dev = &ath79_mdio1_device.dev;
break;
case ATH79_SOC_AR7241:
case ATH79_SOC_AR9330:
case ATH79_SOC_AR9331:
case ATH79_SOC_QCA9533:
case ATH79_SOC_TP9343:
pdata->mii_bus_dev = &ath79_mdio1_device.dev;
break;
case ATH79_SOC_QCA9556:
case ATH79_SOC_QCA9558:
/* don't assign any MDIO device by default */
break;
case ATH79_SOC_QCA956X:
if (pdata->phy_if_mode != PHY_INTERFACE_MODE_SGMII)
pdata->mii_bus_dev = &ath79_mdio1_device.dev;
break;
default:
pdata->mii_bus_dev = &ath79_mdio0_device.dev;
break;
}
}
/* Reset the device */
ath79_device_reset_set(pdata->reset_bit);
msleep(100);
ath79_device_reset_clear(pdata->reset_bit);
msleep(100);
platform_device_register(pdev);
ath79_eth_instance++;
}
void __init ath79_set_mac_base(unsigned char *mac)
{
memcpy(ath79_mac_base, mac, ETH_ALEN);
}
void __init ath79_parse_ascii_mac(char *mac_str, u8 *mac)
{
int t;
t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
if (t != ETH_ALEN)
t = sscanf(mac_str, "%02hhx.%02hhx.%02hhx.%02hhx.%02hhx.%02hhx",
&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
if (t != ETH_ALEN || !is_valid_ether_addr(mac)) {
memset(mac, 0, ETH_ALEN);
printk(KERN_DEBUG "ar71xx: invalid mac address \"%s\"\n",
mac_str);
}
}
void __init ath79_extract_mac_reverse(u8 *ptr, u8 *out)
{
int i;
for (i = 0; i < ETH_ALEN; i++) {
out[i] = ptr[ETH_ALEN-i-1];
}
}
static void __init ath79_set_mac_base_ascii(char *str)
{
u8 mac[ETH_ALEN];
ath79_parse_ascii_mac(str, mac);
ath79_set_mac_base(mac);
}
static int __init ath79_ethaddr_setup(char *str)
{
ath79_set_mac_base_ascii(str);
return 1;
}
__setup("ethaddr=", ath79_ethaddr_setup);
static int __init ath79_kmac_setup(char *str)
{
ath79_set_mac_base_ascii(str);
return 1;
}
__setup("kmac=", ath79_kmac_setup);
void __init ath79_init_mac(unsigned char *dst, const unsigned char *src,
int offset)
{
int t;
if (!dst)
return;
if (!src || !is_valid_ether_addr(src)) {
memset(dst, '\0', ETH_ALEN);
return;
}
t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]);
t += offset;
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = (t >> 16) & 0xff;
dst[4] = (t >> 8) & 0xff;
dst[5] = t & 0xff;
}
void __init ath79_init_local_mac(unsigned char *dst, const unsigned char *src)
{
int i;
if (!dst)
return;
if (!src || !is_valid_ether_addr(src)) {
memset(dst, '\0', ETH_ALEN);
return;
}
for (i = 0; i < ETH_ALEN; i++)
dst[i] = src[i];
dst[0] |= 0x02;
}