[ar71xx] ap81: register SPI flash, and add default MTD partitions
authorGabor Juhos <juhosg@openwrt.org>
Tue, 17 Mar 2009 18:48:00 +0000 (18:48 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Tue, 17 Mar 2009 18:48:00 +0000 (18:48 +0000)
SVN-Revision: 14924

target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap81.c

index 5a48dff..98a319a 100644 (file)
@@ -9,6 +9,11 @@
  *  by the Free Software Foundation.
  */
 
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
 #include <linux/input.h>
 
 #include <asm/mips_machine.h>
 
 #define AP81_BUTTONS_POLL_INTERVAL     20
 
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition ap81_partitions[] = {
+       {
+               .name           = "u-boot",
+               .offset         = 0,
+               .size           = 0x040000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "u-boot-env",
+               .offset         = 0x040000,
+               .size           = 0x010000,
+       } , {
+               .name           = "rootfs",
+               .offset         = 0x050000,
+               .size           = 0x500000,
+       } , {
+               .name           = "uImage",
+               .offset         = 0x550000,
+               .size           = 0x100000,
+       } , {
+               .name           = "ART",
+               .offset         = 0x650000,
+               .size           = 0x1b0000,
+               .mask_flags     = MTD_WRITEABLE,
+       }
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data ap81_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = ap81_partitions,
+        .nr_parts       = ARRAY_SIZE(ap81_partitions),
+#endif
+};
+
+static struct spi_board_info ap81_spi_info[] = {
+       {
+               .bus_num        = 0,
+               .chip_select    = 0,
+               .max_speed_hz   = 25000000,
+               .modalias       = "m25p80",
+               .platform_data  = &ap81_flash_data,
+       }
+};
+
 static struct gpio_button ap81_gpio_buttons[] __initdata = {
        {
                .desc           = "sw1",
@@ -57,6 +107,9 @@ static void __init ap81_setup(void)
 
        ar71xx_add_device_usb();
 
+       ar71xx_add_device_spi(NULL, ap81_spi_info,
+                             ARRAY_SIZE(ap81_spi_info));
+
        ar71xx_add_device_gpio_buttons(-1, AP81_BUTTONS_POLL_INTERVAL,
                                        ARRAY_SIZE(ap81_gpio_buttons),
                                        ap81_gpio_buttons);