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openwrt-xburst/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
juhosg 87485f3a88 ar71xx: initial support for Mikrotik RB751G-2HnD and RB751U-2HnD 
Great collaboration on these two fantastic routers on the openwrt forum:
https://forum.openwrt.org/viewtopic.php?id=32320
Above all kudos to aryufan. Well done and thank you everyone else who
contributed.

To-Do: LED for wlan is not yet activated
To-Do: TxPower over 20dBm (RB751U) or 22dBm (RB751G) are not accepted by
the router

Signed-off-by: Hanno Schupp <hanno.schupp@gmail.com>
[juhosg: fix line wrapped patch, fix checkpatch errors, add missing
kernel patches]

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31208 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-04-06 06:45:07 +00:00

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8.9 KiB
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/*
* MikroTik RouterBOARD 750/750GL support
*
* Copyright (C) 2010-2012 Gabor Juhos <juhosg@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/export.h>
#include <linux/pci.h>
#include <linux/ath9k_platform.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
#include <linux/ar8216_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/pci.h>
#include <asm/mach-ath79/irq.h>
#include <asm/mach-ath79/mach-rb750.h>
#include "common.h"
#include "dev-usb.h"
#include "dev-eth.h"
#include "machtypes.h"
#include "pci-ath9k-fixup.h"
#include "pci.h"
static struct rb750_led_data rb750_leds[] = {
{
.name = "rb750:green:act",
.mask = RB750_LED_ACT,
.active_low = 1,
}, {
.name = "rb750:green:port1",
.mask = RB750_LED_PORT5,
.active_low = 1,
}, {
.name = "rb750:green:port2",
.mask = RB750_LED_PORT4,
.active_low = 1,
}, {
.name = "rb750:green:port3",
.mask = RB750_LED_PORT3,
.active_low = 1,
}, {
.name = "rb750:green:port4",
.mask = RB750_LED_PORT2,
.active_low = 1,
}, {
.name = "rb750:green:port5",
.mask = RB750_LED_PORT1,
.active_low = 1,
}
};
static struct rb750_led_data rb750gr3_leds[] = {
{
.name = "rb750:green:act",
.mask = RB7XX_LED_ACT,
.active_low = 1,
},
};
static struct rb750_led_platform_data rb750_leds_data;
static struct platform_device rb750_leds_device = {
.name = "leds-rb750",
.dev = {
.platform_data = &rb750_leds_data,
}
};
static struct rb7xx_nand_platform_data rb750_nand_data;
static struct platform_device rb750_nand_device = {
.name = "rb750-nand",
.id = -1,
.dev = {
.platform_data = &rb750_nand_data,
}
};
static void rb750_latch_change(u32 mask_clr, u32 mask_set)
{
static DEFINE_SPINLOCK(lock);
static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
static u32 latch_oe;
static u32 latch_clr;
unsigned long flags;
u32 t;
spin_lock_irqsave(&lock, flags);
if ((mask_clr & BIT(31)) != 0 &&
(latch_set & RB750_LVC573_LE) == 0) {
goto unlock;
}
latch_set = (latch_set | mask_set) & ~mask_clr;
latch_clr = (latch_clr | mask_clr) & ~mask_set;
if (latch_oe == 0)
latch_oe = __raw_readl(ath79_gpio_base + AR71XX_GPIO_REG_OE);
if (likely(latch_set & RB750_LVC573_LE)) {
void __iomem *base = ath79_gpio_base;
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
t |= mask_clr | latch_oe | mask_set;
__raw_writel(t, base + AR71XX_GPIO_REG_OE);
__raw_writel(latch_clr, base + AR71XX_GPIO_REG_CLEAR);
__raw_writel(latch_set, base + AR71XX_GPIO_REG_SET);
} else if (mask_clr & RB750_LVC573_LE) {
void __iomem *base = ath79_gpio_base;
latch_oe = __raw_readl(base + AR71XX_GPIO_REG_OE);
__raw_writel(RB750_LVC573_LE, base + AR71XX_GPIO_REG_CLEAR);
/* flush write */
__raw_readl(base + AR71XX_GPIO_REG_CLEAR);
}
unlock:
spin_unlock_irqrestore(&lock, flags);
}
static void rb750_nand_enable_pins(void)
{
rb750_latch_change(RB750_LVC573_LE, 0);
ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
AR724X_GPIO_FUNC_SPI_EN);
}
static void rb750_nand_disable_pins(void)
{
ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
AR724X_GPIO_FUNC_JTAG_DISABLE);
rb750_latch_change(0, RB750_LVC573_LE);
}
static void __init rb750_setup(void)
{
ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);
ath79_register_mdio(0, 0x0);
/* LAN ports */
ath79_register_eth(1);
/* WAN port */
ath79_register_eth(0);
rb750_leds_data.num_leds = ARRAY_SIZE(rb750_leds);
rb750_leds_data.leds = rb750_leds;
rb750_leds_data.latch_change = rb750_latch_change;
platform_device_register(&rb750_leds_device);
rb750_nand_data.nce_line = RB750_NAND_NCE;
rb750_nand_data.enable_pins = rb750_nand_enable_pins;
rb750_nand_data.disable_pins = rb750_nand_disable_pins;
rb750_nand_data.latch_change = rb750_latch_change;
platform_device_register(&rb750_nand_device);
}
MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
rb750_setup);
static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
.txclk_delay_en = true,
.rxclk_delay_en = true,
.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};
static struct ar8327_platform_data rb750gr3_ar8327_data = {
.pad0_cfg = &rb750gr3_ar8327_pad0_cfg,
.cpuport_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_100,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
}
};
static struct mdio_board_info rb750g3_mdio_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 0,
.platform_data = &rb750gr3_ar8327_data,
},
};
static void rb750gr3_nand_enable_pins(void)
{
ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
AR724X_GPIO_FUNC_SPI_EN |
AR724X_GPIO_FUNC_SPI_CS_EN2);
}
static void rb750gr3_nand_disable_pins(void)
{
ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN |
AR724X_GPIO_FUNC_SPI_CS_EN2,
AR724X_GPIO_FUNC_JTAG_DISABLE);
}
static void rb750gr3_latch_change(u32 mask_clr, u32 mask_set)
{
static DEFINE_SPINLOCK(lock);
static u32 latch_set = RB7XX_LED_ACT;
static u32 latch_clr;
void __iomem *base = ath79_gpio_base;
unsigned long flags;
u32 t;
spin_lock_irqsave(&lock, flags);
latch_set = (latch_set | mask_set) & ~mask_clr;
latch_clr = (latch_clr | mask_clr) & ~mask_set;
mask_set = latch_set & (RB7XX_USB_POWERON | RB7XX_MONITOR);
mask_clr = latch_clr & (RB7XX_USB_POWERON | RB7XX_MONITOR);
if ((latch_set ^ RB7XX_LED_ACT) & RB7XX_LED_ACT) {
/* enable output mode */
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
t |= RB7XX_LED_ACT;
__raw_writel(t, base + AR71XX_GPIO_REG_OE);
mask_clr |= RB7XX_LED_ACT;
} else {
/* disable output mode */
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
t &= ~RB7XX_LED_ACT;
__raw_writel(t, base + AR71XX_GPIO_REG_OE);
}
__raw_writel(mask_set, base + AR71XX_GPIO_REG_SET);
__raw_writel(mask_clr, base + AR71XX_GPIO_REG_CLEAR);
spin_unlock_irqrestore(&lock, flags);
}
static void __init rb750gr3_setup(void)
{
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(rb750g3_mdio_info,
ARRAY_SIZE(rb750g3_mdio_info));
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_register_eth(0);
rb750_leds_data.num_leds = ARRAY_SIZE(rb750gr3_leds);
rb750_leds_data.leds = rb750gr3_leds;
rb750_leds_data.latch_change = rb750gr3_latch_change;
platform_device_register(&rb750_leds_device);
rb750_nand_data.nce_line = RB7XX_NAND_NCE;
rb750_nand_data.enable_pins = rb750gr3_nand_enable_pins;
rb750_nand_data.disable_pins = rb750gr3_nand_disable_pins;
rb750_nand_data.latch_change = rb750gr3_latch_change;
platform_device_register(&rb750_nand_device);
}
MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL",
rb750gr3_setup);
static struct ath9k_platform_data rb751_wmac_data = {
.led_pin = -1,
};
static u8 rb751_wmac_mac[6];
static int rb751_pci_plat_dev_init(struct pci_dev *dev)
{
switch (PCI_SLOT(dev->devfn)) {
case 0:
dev->dev.platform_data = &rb751_wmac_data;
break;
}
return 0;
}
static int decode_rle(char *output, int len, char *in)
{
char *ptr = output;
char *end = output + len;
while (*in) {
if (*in < 0) {
int i = -*in++;
while (i-- > 0) {
if (ptr >= end)
return -1;
*ptr++ = *in++;
}
} else if (*in > 0) {
int i = *in++;
while (i-- > 0) {
if (ptr >= end)
return -1;
*ptr++ = *in;
}
in++;
}
}
return ptr - output;
}
#define RB751_HARDCONFIG 0x1f00b000
#define RB751_MAC_ADDRESS_OFFSET 0xE80
#define RB751_CALDATA_OFFSET 0x27C
static void __init rb751_wlan_and_usb_setup(void)
{
u8 *hardconfig = (u8 *) KSEG1ADDR(RB751_HARDCONFIG);
ath79_register_usb();
ath79_pci_set_plat_dev_init(rb751_pci_plat_dev_init);
ath79_register_pci();
rb751_wmac_data.macaddr = memcpy(rb751_wmac_mac,
hardconfig + RB751_MAC_ADDRESS_OFFSET, 6);
if (decode_rle((char *)rb751_wmac_data.eeprom_data,
sizeof(rb751_wmac_data.eeprom_data),
hardconfig + RB751_CALDATA_OFFSET) ==
sizeof(rb751_wmac_data.eeprom_data)) {
pr_info("rb7xx: calibration data found\n");
pci_enable_ath9k_fixup(0, rb751_wmac_data.eeprom_data);
}
}
static void __init rb751_setup(void)
{
rb750_setup();
rb751_wlan_and_usb_setup();
}
MIPS_MACHINE(ATH79_MACH_RB_751, "751", "MikroTik RouterBOARD 751",
rb751_setup);
static void __init rb751g_setup(void)
{
rb750gr3_setup();
rb751_wlan_and_usb_setup();
}
MIPS_MACHINE(ATH79_MACH_RB_751G, "751g", "MikroTik RouterBOARD 751G",
rb751g_setup);
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