diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch index f83dbcffd..49bbdf916 100644 --- a/target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch +++ b/target/linux/brcm63xx/patches-3.3/420-MIPS-BCM63XX-Register-SPI-flash-if-present.patch @@ -1,17 +1,17 @@ -From a1e3ef9af3e3a7283ced5fd079ef7e8bc4e2deca Mon Sep 17 00:00:00 2001 +From d135d94b3d1fe599d13e7198d5f502912d694c13 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jonas.gorski@gmail.com> Date: Sun, 3 Jul 2011 15:00:38 +0200 -Subject: [PATCH 55/79] MIPS: BCM63XX: Register SPI flash if present +Subject: [PATCH 29/60] MIPS: BCM63XX: Register SPI flash if present Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> --- - arch/mips/bcm63xx/dev-flash.c | 29 +++++++++++++++++++-- - arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 1 + - 2 files changed, 28 insertions(+), 2 deletions(-) + arch/mips/bcm63xx/dev-flash.c | 33 +++++++++++++++++++- + arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 2 + + 2 files changed, 33 insertions(+), 2 deletions(-) --- a/arch/mips/bcm63xx/dev-flash.c +++ b/arch/mips/bcm63xx/dev-flash.c -@@ -15,9 +15,12 @@ +@@ -16,9 +16,12 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> @@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> -@@ -54,12 +57,28 @@ static struct platform_device mtd_dev = +@@ -55,6 +58,21 @@ static struct platform_device mtd_dev = }, }; @@ -46,14 +46,19 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> static int __init bcm63xx_detect_flash_type(void) { u32 val; - +@@ -62,6 +80,11 @@ static int __init bcm63xx_detect_flash_t switch (bcm63xx_get_cpu_id()) { case BCM6328_CPU_ID: -+ bcm63xx_spi_flash_info[0].max_speed_hz = 40000000; val = bcm_misc_readl(MISC_STRAPBUS_6328_REG); ++ if (val & STRAPBUS_6328_HSSPI_CLK_FAST) ++ bcm63xx_spi_flash_info[0].max_speed_hz = 33333334; ++ else ++ bcm63xx_spi_flash_info[0].max_speed_hz = 16666667; ++ if (val & STRAPBUS_6328_BOOT_SEL_SERIAL) return BCM63XX_FLASH_TYPE_SERIAL; -@@ -78,6 +97,9 @@ static int __init bcm63xx_detect_flash_t + else +@@ -79,6 +102,9 @@ static int __init bcm63xx_detect_flash_t return BCM63XX_FLASH_TYPE_SERIAL; case BCM6368_CPU_ID: val = bcm_gpio_readl(GPIO_STRAPBUS_REG); @@ -63,14 +68,14 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { case STRAPBUS_6368_BOOT_SEL_NAND: return BCM63XX_FLASH_TYPE_NAND; -@@ -109,8 +131,11 @@ int __init bcm63xx_flash_register(void) +@@ -110,8 +136,11 @@ int __init bcm63xx_flash_register(void) return platform_device_register(&mtd_dev); case BCM63XX_FLASH_TYPE_SERIAL: - pr_warn("unsupported serial flash detected\n"); - return -ENODEV; + if (BCMCPU_IS_6328()) -+ bcm63xx_flash_data.max_transfer_len = HS_SPI_BUFFER_LEN; ++ bcm63xx_flash_data.max_transfer_len = HSSPI_BUFFER_LEN; + + return spi_register_board_info(bcm63xx_spi_flash_info, + ARRAY_SIZE(bcm63xx_spi_flash_info)); @@ -87,3 +92,11 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> #define STRAPBUS_6368_BOOT_SEL_MASK 0x3 #define STRAPBUS_6368_BOOT_SEL_NAND 0 #define STRAPBUS_6368_BOOT_SEL_SERIAL 1 +@@ -1227,6 +1228,7 @@ + #define SERDES_PCIE_EXD_EN (1 << 15) + + #define MISC_STRAPBUS_6328_REG 0x240 ++#define STRAPBUS_6328_HSSPI_CLK_FAST (1 << 4) + #define STRAPBUS_6328_FCVO_SHIFT 7 + #define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT) + #define STRAPBUS_6328_BOOT_SEL_SERIAL (1 << 28) |