bcm63xx: add a fixup for ath9k devices
[openwrt.git] / target / linux / brcm63xx / patches-3.3 / 427-MTD-m25p80-allow-passing-pp_data.patch
diff --git a/target/linux/brcm63xx/patches-3.3/427-MTD-m25p80-allow-passing-pp_data.patch b/target/linux/brcm63xx/patches-3.3/427-MTD-m25p80-allow-passing-pp_data.patch
new file mode 100644 (file)
index 0000000..51836f5
--- /dev/null
@@ -0,0 +1,109 @@
+From 087a67d5750a51f5b0851228b5b2518f3300f7d8 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Thu, 3 May 2012 12:17:54 +0200
+Subject: [PATCH 65/79] MIPS: BCM63XX: store the flash type in global variable
+
+---
+ arch/mips/bcm63xx/dev-flash.c                      |   36 +++++++++++++-------
+ .../include/asm/mach-bcm63xx/bcm63xx_dev_flash.h   |    2 ++
+ 2 files changed, 26 insertions(+), 12 deletions(-)
+
+--- a/arch/mips/bcm63xx/dev-flash.c
++++ b/arch/mips/bcm63xx/dev-flash.c
+@@ -24,6 +24,8 @@
+ #include <bcm63xx_regs.h>
+ #include <bcm63xx_io.h>
++int bcm63xx_attached_flash = -1;
++
+ static struct mtd_partition mtd_partitions[] = {
+       {
+               .name           = "cfe",
+@@ -81,20 +83,23 @@ static int __init bcm63xx_detect_flash_t
+               bcm63xx_spi_flash_info[0].max_speed_hz = 40000000;
+               val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
+               if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
+-                      return BCM63XX_FLASH_TYPE_SERIAL;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
+               else
+-                      return BCM63XX_FLASH_TYPE_NAND;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_NAND;
++              break;
+       case BCM6338_CPU_ID:
+       case BCM6345_CPU_ID:
+       case BCM6348_CPU_ID:
+               /* no way to auto detect so assume parallel */
+-              return BCM63XX_FLASH_TYPE_PARALLEL;
++              bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
++              break;
+       case BCM6358_CPU_ID:
+               val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
+               if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL)
+-                      return BCM63XX_FLASH_TYPE_PARALLEL;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
+               else
+-                      return BCM63XX_FLASH_TYPE_SERIAL;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
++              break;
+       case BCM6368_CPU_ID:
+               val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
+               if (val & STRAPBUS_6368_SPI_CLK_FAST)
+@@ -102,25 +107,32 @@ static int __init bcm63xx_detect_flash_t
+               switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
+               case STRAPBUS_6368_BOOT_SEL_NAND:
+-                      return BCM63XX_FLASH_TYPE_NAND;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_NAND;
++                      break;
+               case STRAPBUS_6368_BOOT_SEL_SERIAL:
+-                      return BCM63XX_FLASH_TYPE_SERIAL;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
++                      break;
+               case STRAPBUS_6368_BOOT_SEL_PARALLEL:
+-                      return BCM63XX_FLASH_TYPE_PARALLEL;
++                      bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_PARALLEL;
++                      break;
++              default:
++                      return -EINVAL;
+               }
+       default:
+               return -EINVAL;
+       }
++
++      return 0;
+ }
+ int __init bcm63xx_flash_register(void)
+ {
+-      int flash_type;
+       u32 val;
+-      flash_type = bcm63xx_detect_flash_type();
+-      switch (flash_type) {
++      bcm63xx_detect_flash_type();
++
++      switch (bcm63xx_attached_flash) {
+       case BCM63XX_FLASH_TYPE_PARALLEL:
+               /* read base address of boot chip select (0) */
+               val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+@@ -141,7 +153,7 @@ int __init bcm63xx_flash_register(void)
+               return -ENODEV;
+       default:
+               pr_err("flash detection failed for BCM%x: %d",
+-                     bcm63xx_get_cpu_id(), flash_type);
++                     bcm63xx_get_cpu_id(), bcm63xx_attached_flash);
+               return -ENODEV;
+       }
+ }
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+@@ -7,6 +7,8 @@ enum {
+       BCM63XX_FLASH_TYPE_NAND,
+ };
++extern int bcm63xx_attached_flash;
++
+ int __init bcm63xx_flash_register(void);
+ #endif /* __BCM63XX_FLASH_H */