brcm63xx: fix spi flash setup on (at least) some reference boards

CFE seems to leave the SPI flash mapping in an invalid state after
loading the kernel on some reference boards, so fix it up on boot.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39273 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 144 deletions

diff --git a/target/linux/brcm63xx/patches-3.10/415-MIPS-BCM63XX-store-the-flash-type-in-global-variable.patch b/target/linux/brcm63xx/patches-3.10/415-MIPS-BCM63XX-store-the-flash-type-in-global-variable.patch
deleted file mode 100644
index 31071f99b5..0000000000
--- a/target/linux/brcm63xx/patches-3.10/415-MIPS-BCM63XX-store-the-flash-type-in-global-variable.patch
+++ /dev/null
@@ -1,144 +0,0 @@
-From f888824d352df894ab721a5ca067b0313500efe7 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 38/59] 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
-@@ -25,6 +25,8 @@
- #include <bcm63xx_regs.h>
- #include <bcm63xx_io.h>
- 
-+int bcm63xx_attached_flash = -1;
-+
- static struct mtd_partition mtd_partitions[] = {
- 	{
- 		.name		= "cfe",
-@@ -81,7 +83,8 @@ static int __init bcm63xx_detect_flash_t
- 	case BCM6318_CPU_ID:
- 		/* only support serial flash */
- 		bcm63xx_spi_flash_info[0].max_speed_hz = 62500000;
--		return BCM63XX_FLASH_TYPE_SERIAL;
-+		bcm63xx_attached_flash = BCM63XX_FLASH_TYPE_SERIAL;
-+		break;
- 	case BCM6328_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
- 		if (val & STRAPBUS_6328_HSSPI_CLK_FAST)
-@@ -90,21 +93,24 @@ static int __init bcm63xx_detect_flash_t
- 			bcm63xx_spi_flash_info[0].max_speed_hz = 16666667;
- 
- 		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 BCM3368_CPU_ID:
- 	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 BCM6362_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
- 		if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
-@@ -113,9 +119,10 @@ static int __init bcm63xx_detect_flash_t
- 			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
- 
- 		if (val & STRAPBUS_6362_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 BCM6368_CPU_ID:
- 		val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
- 		if (val & STRAPBUS_6368_SPI_CLK_FAST)
-@@ -123,11 +130,16 @@ 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;
- 		}
- 	case BCM63268_CPU_ID:
- 		val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
-@@ -137,22 +149,24 @@ static int __init bcm63xx_detect_flash_t
- 			bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
- 
- 		if (val & STRAPBUS_63268_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;
- 	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));
-@@ -177,7 +191,7 @@ int __init bcm63xx_flash_register(void)
- 		return -ENODEV;
- 	default:
- 		pr_err("flash detection failed for BCM%x: %d\n",
--		       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 */