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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.patch37
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 f83dbcffd7..49bbdf916b 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)