2 * MikroTik RouterBOARD 750/750GL support
4 * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/export.h>
12 #include <linux/platform_device.h>
13 #include <linux/phy.h>
14 #include <linux/ar8216_platform.h>
16 #include <asm/mach-ath79/ar71xx_regs.h>
17 #include <asm/mach-ath79/ath79.h>
18 #include <asm/mach-ath79/mach-rb750.h>
22 #include "machtypes.h"
24 static struct rb750_led_data rb750_leds[] = {
26 .name = "rb750:green:act",
27 .mask = RB750_LED_ACT,
30 .name = "rb750:green:port1",
31 .mask = RB750_LED_PORT5,
34 .name = "rb750:green:port2",
35 .mask = RB750_LED_PORT4,
38 .name = "rb750:green:port3",
39 .mask = RB750_LED_PORT3,
42 .name = "rb750:green:port4",
43 .mask = RB750_LED_PORT2,
46 .name = "rb750:green:port5",
47 .mask = RB750_LED_PORT1,
52 static struct rb750_led_data rb750gr3_leds[] = {
54 .name = "rb750:green:act",
55 .mask = RB7XX_LED_ACT,
60 static struct rb750_led_platform_data rb750_leds_data;
61 static struct platform_device rb750_leds_device = {
64 .platform_data = &rb750_leds_data,
68 static struct rb7xx_nand_platform_data rb750_nand_data;
69 static struct platform_device rb750_nand_device = {
73 .platform_data = &rb750_nand_data,
77 static void rb750_latch_change(u32 mask_clr, u32 mask_set)
79 static DEFINE_SPINLOCK(lock);
80 static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
86 spin_lock_irqsave(&lock, flags);
88 if ((mask_clr & BIT(31)) != 0 &&
89 (latch_set & RB750_LVC573_LE) == 0) {
93 latch_set = (latch_set | mask_set) & ~mask_clr;
94 latch_clr = (latch_clr | mask_clr) & ~mask_set;
97 latch_oe = __raw_readl(ath79_gpio_base + AR71XX_GPIO_REG_OE);
99 if (likely(latch_set & RB750_LVC573_LE)) {
100 void __iomem *base = ath79_gpio_base;
102 t = __raw_readl(base + AR71XX_GPIO_REG_OE);
103 t |= mask_clr | latch_oe | mask_set;
105 __raw_writel(t, base + AR71XX_GPIO_REG_OE);
106 __raw_writel(latch_clr, base + AR71XX_GPIO_REG_CLEAR);
107 __raw_writel(latch_set, base + AR71XX_GPIO_REG_SET);
108 } else if (mask_clr & RB750_LVC573_LE) {
109 void __iomem *base = ath79_gpio_base;
111 latch_oe = __raw_readl(base + AR71XX_GPIO_REG_OE);
112 __raw_writel(RB750_LVC573_LE, base + AR71XX_GPIO_REG_CLEAR);
114 __raw_readl(base + AR71XX_GPIO_REG_CLEAR);
118 spin_unlock_irqrestore(&lock, flags);
121 static void rb750_nand_enable_pins(void)
123 rb750_latch_change(RB750_LVC573_LE, 0);
124 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
125 AR724X_GPIO_FUNC_SPI_EN);
128 static void rb750_nand_disable_pins(void)
130 ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
131 AR724X_GPIO_FUNC_JTAG_DISABLE);
132 rb750_latch_change(0, RB750_LVC573_LE);
135 static void __init rb750_setup(void)
137 ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
138 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
139 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
140 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
141 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
143 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
144 ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);
146 ath79_register_mdio(0, 0x0);
149 ath79_register_eth(1);
152 ath79_register_eth(0);
154 rb750_leds_data.num_leds = ARRAY_SIZE(rb750_leds);
155 rb750_leds_data.leds = rb750_leds;
156 rb750_leds_data.latch_change = rb750_latch_change;
157 platform_device_register(&rb750_leds_device);
159 rb750_nand_data.nce_line = RB750_NAND_NCE;
160 rb750_nand_data.enable_pins = rb750_nand_enable_pins;
161 rb750_nand_data.disable_pins = rb750_nand_disable_pins;
162 rb750_nand_data.latch_change = rb750_latch_change;
163 platform_device_register(&rb750_nand_device);
166 MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
169 static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg = {
170 .mode = AR8327_PAD_MAC_RGMII,
171 .txclk_delay_en = true,
172 .rxclk_delay_en = true,
173 .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
174 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
177 static struct ar8327_platform_data rb750gr3_ar8327_data = {
178 .pad0_cfg = &rb750gr3_ar8327_pad0_cfg,
181 .speed = AR8327_PORT_SPEED_100,
188 static struct mdio_board_info rb750g3_mdio_info[] = {
190 .bus_id = "ag71xx-mdio.0",
192 .platform_data = &rb750gr3_ar8327_data,
196 static void rb750gr3_nand_enable_pins(void)
198 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
199 AR724X_GPIO_FUNC_SPI_EN |
200 AR724X_GPIO_FUNC_SPI_CS_EN2);
203 static void rb750gr3_nand_disable_pins(void)
205 ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN |
206 AR724X_GPIO_FUNC_SPI_CS_EN2,
207 AR724X_GPIO_FUNC_JTAG_DISABLE);
210 static void rb750gr3_latch_change(u32 mask_clr, u32 mask_set)
212 static DEFINE_SPINLOCK(lock);
213 static u32 latch_set = RB7XX_LED_ACT;
214 static u32 latch_clr;
215 void __iomem *base = ath79_gpio_base;
219 spin_lock_irqsave(&lock, flags);
221 latch_set = (latch_set | mask_set) & ~mask_clr;
222 latch_clr = (latch_clr | mask_clr) & ~mask_set;
224 mask_set = latch_set & (RB7XX_USB_POWERON | RB7XX_MONITOR);
225 mask_clr = latch_clr & (RB7XX_USB_POWERON | RB7XX_MONITOR);
227 if ((latch_set ^ RB7XX_LED_ACT) & RB7XX_LED_ACT) {
228 /* enable output mode */
229 t = __raw_readl(base + AR71XX_GPIO_REG_OE);
231 __raw_writel(t, base + AR71XX_GPIO_REG_OE);
233 mask_clr |= RB7XX_LED_ACT;
235 /* disable output mode */
236 t = __raw_readl(base + AR71XX_GPIO_REG_OE);
238 __raw_writel(t, base + AR71XX_GPIO_REG_OE);
241 __raw_writel(mask_set, base + AR71XX_GPIO_REG_SET);
242 __raw_writel(mask_clr, base + AR71XX_GPIO_REG_CLEAR);
244 spin_unlock_irqrestore(&lock, flags);
247 static void __init rb750gr3_setup(void)
249 ath79_register_mdio(0, 0x0);
250 mdiobus_register_board_info(rb750g3_mdio_info,
251 ARRAY_SIZE(rb750g3_mdio_info));
253 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
254 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
255 ath79_eth0_data.phy_mask = BIT(0);
257 ath79_register_eth(0);
259 rb750_leds_data.num_leds = ARRAY_SIZE(rb750gr3_leds);
260 rb750_leds_data.leds = rb750gr3_leds;
261 rb750_leds_data.latch_change = rb750gr3_latch_change;
262 platform_device_register(&rb750_leds_device);
264 rb750_nand_data.nce_line = RB7XX_NAND_NCE;
265 rb750_nand_data.enable_pins = rb750gr3_nand_enable_pins;
266 rb750_nand_data.disable_pins = rb750gr3_nand_disable_pins;
267 rb750_nand_data.latch_change = rb750gr3_latch_change;
268 platform_device_register(&rb750_nand_device);
271 MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL",