diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-w90x900/mach-w90p910evb.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-w90x900/mach-w90p910evb.c b/arch/arm/mach-w90x900/mach-w90p910evb.c index 2e56d84c6323..3e3a267b2dde 100644 --- a/arch/arm/mach-w90x900/mach-w90p910evb.c +++ b/arch/arm/mach-w90x900/mach-w90p910evb.c @@ -20,7 +20,13 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/platform_device.h> + #include <linux/mtd/physmap.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> + +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -35,6 +41,8 @@ #define W90P910_FLASH_BASE 0xA0000000 #define W90P910_FLASH_SIZE 0x400000 +#define SPIOFFSET 0x200 +#define SPIOREG_SIZE 0x100 static struct mtd_partition w90p910_flash_partitions[] = { { @@ -282,6 +290,56 @@ static struct platform_device w90p910_device_emc = { } }; +/* SPI device */ + +static struct resource w90p910_spi_resource[] = { + [0] = { + .start = W90X900_PA_I2C + SPIOFFSET, + .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device w90p910_device_spi = { + .name = "w90p910-spi", + .id = -1, + .num_resources = ARRAY_SIZE(w90p910_spi_resource), + .resource = w90p910_spi_resource, +}; + +/* spi device, spi flash info */ + +static struct mtd_partition w90p910_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x0100000, + .offset = 0, + }, +}; + +static struct flash_platform_data w90p910_spi_flash_data = { + .name = "m25p80", + .parts = w90p910_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(w90p910_spi_flash_partitions), + .type = "w25x16", +}; + +static struct spi_board_info w90p910_spi_board_info[] __initdata = { + { + .modalias = "m25p80", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 1, + .platform_data = &w90p910_spi_flash_data, + .mode = SPI_MODE_0, + }, +}; + static struct map_desc w90p910_iodesc[] __initdata = { }; @@ -298,6 +356,7 @@ static struct platform_device *w90p910evb_dev[] __initdata = { &w90x900_device_usbgadget, &w90p910_device_fmi, &w90p910_device_emc, + &w90p910_device_spi, }; static void __init w90p910evb_map_io(void) @@ -309,6 +368,8 @@ static void __init w90p910evb_map_io(void) static void __init w90p910evb_init(void) { platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev)); + spi_register_board_info(w90p910_spi_board_info, + ARRAY_SIZE(w90p910_spi_board_info)); } MACHINE_START(W90P910EVB, "W90P910EVB") |