[ar71xx] register parallel flash device on the AP83 board
authorGabor Juhos <juhosg@openwrt.org>
Sun, 31 May 2009 12:37:40 +0000 (12:37 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Sun, 31 May 2009 12:37:40 +0000 (12:37 +0000)
SVN-Revision: 16232

target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c

index 8b5dbca..4703d25 100644 (file)
@@ -11,6 +11,9 @@
 
 #include <linux/platform_device.h>
 #include <linux/input.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_gpio.h>
 
 #define AP83_GPIO_VSC7385_MOSI 16
 #define AP83_GPIO_VSC7385_SCK  17
 
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition ap83_flash_partitions[] = {
+       {
+               .name           = "u-boot",
+               .offset         = 0,
+               .size           = 0x040000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "u-boot-env",
+               .offset         = 0x040000,
+               .size           = 0x020000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "rootfs",
+               .offset         = 0x060000,
+               .size           = 0x400000,
+       } , {
+               .name           = "kernel",
+               .offset         = 0x460000,
+               .size           = 0x100000,
+       } , {
+               .name           = "art",
+               .offset         = 0x560000,
+               .size           = 0x2a0000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "firmware",
+               .offset         = 0x060000,
+               .size           = 0x500000,
+       }
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct physmap_flash_data ap83_flash_data = {
+       .width          = 2,
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = ap83_flash_partitions,
+        .nr_parts       = ARRAY_SIZE(ap83_flash_partitions),
+#endif
+};
+
+static struct resource ap83_flash_resources[] = {
+       [0] = {
+               .start  = AR71XX_SPI_BASE,
+               .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device ap83_flash_device = {
+       .name           = "physmap-flash",
+       .id             = -1,
+       .resource       = ap83_flash_resources,
+       .num_resources  = ARRAY_SIZE(ap83_flash_resources),
+       .dev            = {
+               .platform_data = &ap83_flash_data,
+       }
+};
+
 static struct gpio_led ap83_leds_gpio[] __initdata = {
        {
                .name           = "ap83:green:jumpstart",
@@ -108,6 +170,7 @@ static void __init ap83_setup(void)
        ar91xx_add_device_wmac();
 
        platform_device_register(&ap83_spi_device);
+       platform_device_register(&ap83_flash_device);
 }
 
 MIPS_MACHINE(AR71XX_MACH_AP83, "Atheros AP83", ap83_setup);