diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-3.18/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch deleted file mode 100644 index 23b3b83486..0000000000 --- a/target/linux/brcm63xx/patches-3.18/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch +++ /dev/null @@ -1,133 +0,0 @@ -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 29/60] MIPS: BCM63XX: Register SPI flash if present - -Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> ---- - 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 -@@ -17,9 +17,12 @@ - #include <linux/mtd/partitions.h> - #include <linux/mtd/physmap.h> - #include <linux/mtd/spi-nor.h> -+#include <linux/spi/spi.h> -+#include <linux/spi/flash.h> - - #include <bcm63xx_cpu.h> - #include <bcm63xx_dev_flash.h> -+#include <bcm63xx_dev_hsspi.h> - #include <bcm63xx_regs.h> - #include <bcm63xx_io.h> - -@@ -66,6 +69,21 @@ void __init bcm63xx_flash_force_phys_bas - mtd_resources[0].end = end; - } - -+static struct flash_platform_data bcm63xx_flash_data = { -+ .part_probe_types = bcm63xx_part_types, -+}; -+ -+static struct spi_board_info bcm63xx_spi_flash_info[] = { -+ { -+ .bus_num = 0, -+ .chip_select = 0, -+ .mode = 0, -+ .max_speed_hz = 781000, -+ .modalias = "m25p80", -+ .platform_data = &bcm63xx_flash_data, -+ }, -+}; -+ - static int __init bcm63xx_detect_flash_type(void) - { - u32 val; -@@ -73,9 +91,15 @@ static int __init bcm63xx_detect_flash_t - switch (bcm63xx_get_cpu_id()) { - case BCM6318_CPU_ID: - /* only support serial flash */ -+ bcm63xx_spi_flash_info[0].max_speed_hz = 62500000; - return BCM63XX_FLASH_TYPE_SERIAL; - case BCM6328_CPU_ID: - 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; - else -@@ -94,12 +118,20 @@ static int __init bcm63xx_detect_flash_t - return BCM63XX_FLASH_TYPE_SERIAL; - case BCM6362_CPU_ID: - val = bcm_misc_readl(MISC_STRAPBUS_6362_REG); -+ if (val & STRAPBUS_6362_HSSPI_CLK_FAST) -+ bcm63xx_spi_flash_info[0].max_speed_hz = 50000000; -+ else -+ bcm63xx_spi_flash_info[0].max_speed_hz = 20000000; -+ - if (val & STRAPBUS_6362_BOOT_SEL_SERIAL) - return BCM63XX_FLASH_TYPE_SERIAL; - else - return BCM63XX_FLASH_TYPE_NAND; - case BCM6368_CPU_ID: - val = bcm_gpio_readl(GPIO_STRAPBUS_REG); -+ if (val & STRAPBUS_6368_SPI_CLK_FAST) -+ bcm63xx_spi_flash_info[0].max_speed_hz = 20000000; -+ - switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { - case STRAPBUS_6368_BOOT_SEL_NAND: - return BCM63XX_FLASH_TYPE_NAND; -@@ -110,6 +142,11 @@ static int __init bcm63xx_detect_flash_t - } - case BCM63268_CPU_ID: - val = bcm_misc_readl(MISC_STRAPBUS_63268_REG); -+ if (val & STRAPBUS_63268_HSSPI_CLK_FAST) -+ bcm63xx_spi_flash_info[0].max_speed_hz = 50000000; -+ else -+ bcm63xx_spi_flash_info[0].max_speed_hz = 20000000; -+ - if (val & STRAPBUS_63268_BOOT_SEL_SERIAL) - return BCM63XX_FLASH_TYPE_SERIAL; - else -@@ -195,8 +232,15 @@ 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_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() || -+ BCMCPU_IS_63268()) -+ bcm63xx_spi_flash_info[0].bus_num = 1; -+ -+ if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) -+ bcm63xx_flash_data.max_transfer_len = SPI_6358_MSG_DATA_SIZE; -+ -+ return spi_register_board_info(bcm63xx_spi_flash_info, -+ ARRAY_SIZE(bcm63xx_spi_flash_info)); - case BCM63XX_FLASH_TYPE_NAND: - pr_warn("unsupported NAND flash detected\n"); - return -ENODEV; ---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -@@ -708,6 +708,7 @@ - #define GPIO_STRAPBUS_REG 0x40 - #define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1) - #define STRAPBUS_6358_BOOT_SEL_SERIAL (0 << 1) -+#define STRAPBUS_6368_SPI_CLK_FAST (1 << 6) - #define STRAPBUS_6368_BOOT_SEL_MASK 0x3 - #define STRAPBUS_6368_BOOT_SEL_NAND 0 - #define STRAPBUS_6368_BOOT_SEL_SERIAL 1 -@@ -1578,6 +1579,7 @@ - #define IDDQ_CTRL_63268_USBH (1 << 4) - - #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) |