2 * MikroTik RouterBOARD 4xx series support
4 * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #include <linux/platform_device.h>
13 #include <linux/irq.h>
14 #include <linux/mmc/host.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/spi/mmc_spi.h>
18 #include <linux/input.h>
20 #include <asm/mips_machine.h>
21 #include <asm/mach-ar71xx/ar71xx.h>
22 #include <asm/mach-ar71xx/pci.h>
23 #include <asm/mach-ar71xx/platform.h>
25 #define RB4XX_GPIO_USER_LED 4
26 #define RB4XX_GPIO_RESET_SWITCH 7
28 #define RB4XX_BUTTONS_POLL_INTERVAL 20
30 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
32 .name = "rb4xx:yellow:user",
33 .gpio = RB4XX_GPIO_USER_LED,
38 static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
40 .desc = "reset_switch",
44 .gpio = RB4XX_GPIO_RESET_SWITCH,
49 static struct platform_device rb4xx_nand_device = {
54 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
58 .irq = AR71XX_PCI_IRQ_DEV0,
62 .irq = AR71XX_PCI_IRQ_DEV1,
66 .irq = AR71XX_PCI_IRQ_DEV1,
70 .irq = AR71XX_PCI_IRQ_DEV2,
76 * SPI device support is experimental
78 static struct flash_platform_data rb4xx_flash_data = {
82 static struct spi_board_info rb4xx_spi_info[] = {
86 .max_speed_hz = 25000000,
88 .platform_data = &rb4xx_flash_data,
92 static struct mmc_spi_platform_data rb433_mmc_data = {
93 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
96 static struct spi_board_info rb433_spi_info[] = {
100 .max_speed_hz = 25000000,
101 .modalias = "m25p80",
102 .platform_data = &rb433_flash_data,
106 .max_speed_hz = 25000000,
107 .modalias = "mmc_spi",
108 .platform_data = &rb433_mmc_data,
112 static u32 rb433_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
116 if (is_on == AR71XX_SPI_CS_INACTIVE) {
117 ret = SPI_IOC_CS0 | SPI_IOC_CS1;
120 ret = SPI_IOC_CS0 | SPI_IOC_CS1;
122 if ((chip_select ^ 2) == 0)
123 ret = SPI_IOC_CS1 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
125 ret = SPI_IOC_CS0 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
132 struct ar71xx_spi_platform_data rb433_spi_data = {
135 .get_ioc_base = rb433_spi_get_ioc_base,
138 static void rb4xx_add_device_spi(void)
140 ar71xx_add_device_spi(NULL, rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
143 static void rb433_add_device_spi(void)
145 ar71xx_add_device_spi(&rb433_spi_data, rb433_spi_info,
146 ARRAY_SIZE(rb433_spi_info));
149 static inline void rb4xx_add_device_spi(void) {}
150 static inline void rb433_add_device_spi(void) {}
153 static void __init rb411_setup(void)
155 rb4xx_add_device_spi();
157 ar71xx_add_device_mdio(0xfffffffe);
158 ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000001);
160 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
163 ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
164 ARRAY_SIZE(rb4xx_gpio_buttons),
167 platform_device_register(&rb4xx_nand_device);
169 ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
172 MIPS_MACHINE(MACH_AR71XX_RB_411, "MikroTik RouterBOARD 411/A/AH", rb411_setup);
174 static void __init rb433_setup(void)
176 rb433_add_device_spi();
178 ar71xx_add_device_mdio(0xffffffec);
179 ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00000010);
180 ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000003);
182 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
185 ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
186 ARRAY_SIZE(rb4xx_gpio_buttons),
189 platform_device_register(&rb4xx_nand_device);
191 ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
194 MIPS_MACHINE(MACH_AR71XX_RB_433, "MikroTik RouterBOARD 433/AH", rb433_setup);
196 static void __init rb450_setup(void)
198 rb4xx_add_device_spi();
200 ar71xx_add_device_mdio(0xffffffe0);
201 ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00000010);
202 ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x0000000f);
204 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
207 ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
208 ARRAY_SIZE(rb4xx_gpio_buttons),
211 platform_device_register(&rb4xx_nand_device);
214 MIPS_MACHINE(MACH_AR71XX_RB_450, "MikroTik RouterBOARD 450", rb450_setup);
216 static void __init rb493_setup(void)
218 rb4xx_add_device_spi();
221 ar71xx_add_device_mdio(0x3fffff00);
222 ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000000);
223 ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00000001);
226 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
229 ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
230 ARRAY_SIZE(rb4xx_gpio_buttons),
233 platform_device_register(&rb4xx_nand_device);
236 MIPS_MACHINE(MACH_AR71XX_RB_493, "MikroTik RouterBOARD 493/AH", rb493_setup);