diff options
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c | 103 | ||||
| -rw-r--r-- | target/linux/ar71xx/files/include/linux/spi/vsc7385.h | 14 |
2 files changed, 105 insertions, 12 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c index 4703d2595..fe0e5026b 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c @@ -9,6 +9,7 @@ * by the Free Software Foundation. */ +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/input.h> #include <linux/mtd/mtd.h> @@ -16,6 +17,7 @@ #include <linux/mtd/physmap.h> #include <linux/spi/spi.h> #include <linux/spi/spi_gpio.h> +#include <linux/spi/vsc7385.h> #include <asm/mips_machine.h> #include <asm/mach-ar71xx/ar71xx.h> @@ -28,10 +30,10 @@ #define AP83_GPIO_BTN_JUMPSTART 12 #define AP83_GPIO_BTN_RESET 21 -#define AP83_GPIO_VSC7385_CS 1 -#define AP83_GPIO_VSC7385_MISO 3 -#define AP83_GPIO_VSC7385_MOSI 16 -#define AP83_GPIO_VSC7385_SCK 17 +#define AP83_050_GPIO_VSC7385_CS 1 +#define AP83_050_GPIO_VSC7385_MISO 3 +#define AP83_050_GPIO_VSC7385_MOSI 16 +#define AP83_050_GPIO_VSC7385_SCK 17 #ifdef CONFIG_MTD_PARTITIONS static struct mtd_partition ap83_flash_partitions[] = { @@ -126,23 +128,65 @@ static struct gpio_button ap83_gpio_buttons[] __initdata = { } }; -static struct spi_gpio_platform_data ap83_spi_data = { - .miso = AP83_GPIO_VSC7385_MISO, - .mosi = AP83_GPIO_VSC7385_MOSI, - .sck = AP83_GPIO_VSC7385_SCK, +static struct resource ap83_040_spi_resources[] = { + [0] = { + .start = AR71XX_SPI_BASE, + .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ap83_040_spi_device = { + .name = "ap83-spi", + .id = 0, + .resource = ap83_040_spi_resources, + .num_resources = ARRAY_SIZE(ap83_040_spi_resources), +}; + +static struct spi_gpio_platform_data ap83_050_spi_data = { + .miso = AP83_050_GPIO_VSC7385_MISO, + .mosi = AP83_050_GPIO_VSC7385_MOSI, + .sck = AP83_050_GPIO_VSC7385_SCK, .num_chipselect = 1, }; -static struct platform_device ap83_spi_device = { +static struct platform_device ap83_050_spi_device = { .name = "spi_gpio", .id = 0, .dev = { - .platform_data = &ap83_spi_data, + .platform_data = &ap83_050_spi_data, } }; -static void __init ap83_setup(void) +static void ap83_vsc7385_reset(void) +{ + ar71xx_device_stop(RESET_MODULE_GE1_PHY); + udelay(10); + ar71xx_device_start(RESET_MODULE_GE1_PHY); + mdelay(50); +} + +static struct vsc7385_platform_data ap83_vsc7385_data = { + .reset = ap83_vsc7385_reset, +}; + +static struct spi_board_info ap83_spi_info[] = { + { + .bus_num = 0, + .chip_select = 0, + .max_speed_hz = 25000000, + .modalias = "spi-vsc7385", + .platform_data = &ap83_vsc7385_data, + .controller_data = (void *) AP83_050_GPIO_VSC7385_CS, + } +}; + +static void __init ap83_generic_setup(void) { + u8 *mac = (u8 *) KSEG1ADDR(0x1fff1000); + + ar71xx_set_mac_base(mac); + ar71xx_add_device_mdio(0xfffffffe); ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; @@ -169,8 +213,43 @@ static void __init ap83_setup(void) ar91xx_add_device_wmac(); - platform_device_register(&ap83_spi_device); platform_device_register(&ap83_flash_device); + + spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info)); +} + +static void __init ap83_040_setup(void) +{ + ar71xx_flash_lock_enable(); + ap83_generic_setup(); + platform_device_register(&ap83_040_spi_device); +} + +static void __init ap83_050_setup(void) +{ + ap83_generic_setup(); + platform_device_register(&ap83_050_spi_device); +} + +static void __init ap83_setup(void) +{ + u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244); + unsigned int board_version; + + board_version = (unsigned int)(board_id[0] - '0'); + board_version += ((unsigned int)(board_id[1] - '0')) * 10; + + switch (board_version) { + case 40: + ap83_040_setup(); + break; + case 50: + ap83_050_setup(); + break; + default: + printk(KERN_WARNING "AP83-%03u board is not yet supported\n", + board_version); + } } MIPS_MACHINE(AR71XX_MACH_AP83, "Atheros AP83", ap83_setup); diff --git a/target/linux/ar71xx/files/include/linux/spi/vsc7385.h b/target/linux/ar71xx/files/include/linux/spi/vsc7385.h new file mode 100644 index 000000000..907ca331a --- /dev/null +++ b/target/linux/ar71xx/files/include/linux/spi/vsc7385.h @@ -0,0 +1,14 @@ +/* + * Platform data definition for the Vitesse VSC7385 ethernet switch driver + * + * Copyright (C) 2009 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. + */ + +struct vsc7385_platform_data { + void (* reset)(void); + unsigned char *ucode_name; +}; |