diff options
Diffstat (limited to 'target/linux/adm5120/files/arch/mips/adm5120/mikrotik/rb-150.c')
| -rw-r--r-- | target/linux/adm5120/files/arch/mips/adm5120/mikrotik/rb-150.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/mikrotik/rb-150.c b/target/linux/adm5120/files/arch/mips/adm5120/mikrotik/rb-150.c new file mode 100644 index 000000000..bba3be233 --- /dev/null +++ b/target/linux/adm5120/files/arch/mips/adm5120/mikrotik/rb-150.c @@ -0,0 +1,136 @@ +/* + * Mikrotik RouterBOARD 150 support + * + * Copyright (C) 2007-2008 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 "rb-1xx.h" + +#define RB150_NAND_BASE 0x1FC80000 +#define RB150_NAND_SIZE 1 + +#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0 +#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1 +#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2 +#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2 +#define RB150_GPIO_RESET_BUTTON ADM5120_GPIO_PIN1 /* FIXME */ + +#define RB150_GPIO_DEV_MASK ( 1 << RB150_GPIO_NAND_READY \ + | 1 << RB150_GPIO_NAND_NCE \ + | 1 << RB150_GPIO_NAND_CLE \ + | 1 << RB150_GPIO_NAND_ALE) + +#define RB150_NAND_DELAY 100 + +#define RB150_NAND_WRITE(v) \ + writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE)) + +static struct resource rb150_nand_resources[] __initdata = { + [0] = { + .start = RB150_NAND_BASE, + .end = RB150_NAND_BASE + RB150_NAND_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct gpio_led rb150_gpio_leds[] __initdata = { + GPIO_LED_STD(ADM5120_GPIO_P0L2, "user", NULL), + GPIO_LED_INV(ADM5120_GPIO_P0L1, "lan1_led1", NULL), + GPIO_LED_INV(ADM5120_GPIO_P0L0, "lan1_led2", NULL), + GPIO_LED_INV(ADM5120_GPIO_P1L1, "lan5_led1", NULL), + GPIO_LED_INV(ADM5120_GPIO_P1L0, "lan5_led2", NULL), + GPIO_LED_INV(ADM5120_GPIO_P2L1, "lan4_led1", NULL), + GPIO_LED_INV(ADM5120_GPIO_P2L0, "lan4_led2", NULL), + GPIO_LED_INV(ADM5120_GPIO_P3L1, "lan3_led1", NULL), + GPIO_LED_INV(ADM5120_GPIO_P3L0, "lan3_led2", NULL), + GPIO_LED_INV(ADM5120_GPIO_P4L1, "lan2_led1", NULL), + GPIO_LED_INV(ADM5120_GPIO_P4L0, "lan2_led2", NULL), +}; + +static u8 rb150_vlans[6] __initdata = { + 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +static int rb150_nand_dev_ready(struct mtd_info *mtd) +{ + return gpio_get_value(RB150_GPIO_NAND_READY); +} + +static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + if (ctrl & NAND_CTRL_CHANGE) { + gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0); + gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0); + gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1); + } + + udelay(RB150_NAND_DELAY); + + if (cmd != NAND_CMD_NONE) + RB150_NAND_WRITE(cmd); +} + +static void __init rb150_add_device_nand(void) +{ + struct platform_device *pdev; + int err; + + /* setup GPIO pins for NAND flash chip */ + gpio_request(RB150_GPIO_NAND_READY, "nand-ready"); + gpio_direction_input(RB150_GPIO_NAND_READY); + gpio_request(RB150_GPIO_NAND_NCE, "nand-nce"); + gpio_direction_output(RB150_GPIO_NAND_NCE, 1); + gpio_request(RB150_GPIO_NAND_CLE, "nand-cle"); + gpio_direction_output(RB150_GPIO_NAND_CLE, 0); + gpio_request(RB150_GPIO_NAND_ALE, "nand-ale"); + gpio_direction_output(RB150_GPIO_NAND_ALE, 0); + + pdev = platform_device_alloc("gen_nand", -1); + if (!pdev) + goto err_out; + + err = platform_device_add_resources(pdev, rb150_nand_resources, + ARRAY_SIZE(rb150_nand_resources)); + if (err) + goto err_put; + + + rb1xx_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl; + rb1xx_nand_data.ctrl.dev_ready = rb150_nand_dev_ready; + + err = platform_device_add_data(pdev, &rb1xx_nand_data, + sizeof(rb1xx_nand_data)); + if (err) + goto err_put; + + err = platform_device_add(pdev); + if (err) + goto err_put; + + return; + +err_put: + platform_device_put(pdev); +err_out: + return; +} + +static void __init rb150_setup(void) +{ + rb1xx_gpio_buttons[0].gpio = RB150_GPIO_RESET_BUTTON; + rb1xx_generic_setup(); + rb150_add_device_nand(); + + adm5120_add_device_gpio(RB150_GPIO_DEV_MASK); + adm5120_add_device_gpio_leds(ARRAY_SIZE(rb150_gpio_leds), + rb150_gpio_leds); + adm5120_add_device_switch(5, rb150_vlans); +} + +ADM5120_BOARD(MACH_ADM5120_RB_150, "Mikrotik RouterBOARD 150", rb150_setup); |