diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c new file mode 100644 index 000000000..bee8bdf9c --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c @@ -0,0 +1,337 @@ +/* + * 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 <linux/rle.h> +#include <linux/routerboot.h> + +#include <asm/mach-ath79/ar71xx_regs.h> +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/irq.h> +#include <asm/mach-ath79/mach-rb750.h> + +#include "common.h" +#include "dev-ap9x-pci.h" +#include "dev-usb.h" +#include "dev-eth.h" +#include "machtypes.h" +#include "routerboot.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); + +#define RB751_HARDCONFIG 0x1f00b000 +#define RB751_HARDCONFIG_SIZE 0x1000 +#define RB751_MAC_ADDRESS_OFFSET 0xE80 + +static void __init rb751_wlan_setup(void) +{ + u8 *hardconfig = (u8 *) KSEG1ADDR(RB751_HARDCONFIG); + struct ath9k_platform_data *wmac_data; + u16 tag_len; + u8 *tag; + int err; + + wmac_data = ap9x_pci_get_wmac_data(0); + if (!wmac_data) { + pr_err("rb75x: unable to get address of wlan data\n"); + return; + } + + ap9x_pci_setup_wmac_led_pin(0, 9); + + err = routerboot_find_tag(hardconfig, RB751_HARDCONFIG_SIZE, + RB_ID_WLAN_DATA, &tag, &tag_len); + if (err) { + pr_err("rb75x: no calibration data found\n"); + return; + } + + err = rle_decode(tag, tag_len, (unsigned char *) wmac_data->eeprom_data, + sizeof(wmac_data->eeprom_data), NULL, NULL); + if (err) { + pr_err("rb75x: unable to decode wlan eeprom data\n"); + return; + } + + ap91_pci_init(NULL, hardconfig + RB751_MAC_ADDRESS_OFFSET); +} + +static void __init rb751_setup(void) +{ + rb750_setup(); + ath79_register_usb(); + rb751_wlan_setup(); +} + +MIPS_MACHINE(ATH79_MACH_RB_751, "751", "MikroTik RouterBOARD 751", + rb751_setup); + +static void __init rb751g_setup(void) +{ + rb750gr3_setup(); + ath79_register_usb(); + rb751_wlan_setup(); +} + +MIPS_MACHINE(ATH79_MACH_RB_751G, "751g", "MikroTik RouterBOARD 751G", + rb751g_setup); |