From ab8ed9820f5645d0b5b81ef17bbcbd1cdd43a4fa Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 21 Mar 2013 14:03:20 +0000 Subject: [PATCH] MIPS: BCM63XX: add flash detection for BCM6362 BCM6362 support booting from SPI flash and NAND. Signed-off-by: Jonas Gorski Patchwork: http://patchwork.linux-mips.org/patch/5012/ Acked-by: John Crispin --- arch/mips/bcm63xx/dev-flash.c | 6 ++++++ arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 1 + 2 files changed, 7 insertions(+) diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c index 58371c7deac2..588d1ec622e4 100644 --- a/arch/mips/bcm63xx/dev-flash.c +++ b/arch/mips/bcm63xx/dev-flash.c @@ -77,6 +77,12 @@ static int __init bcm63xx_detect_flash_type(void) return BCM63XX_FLASH_TYPE_PARALLEL; else return BCM63XX_FLASH_TYPE_SERIAL; + case BCM6362_CPU_ID: + val = bcm_misc_readl(MISC_STRAPBUS_6362_REG); + 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); switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index 243bab96f3f7..3203fe49b34d 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -1372,6 +1372,7 @@ #define MISC_STRAPBUS_6362_REG 0x14 #define STRAPBUS_6362_FCVO_SHIFT 1 +#define STRAPBUS_6362_HSSPI_CLK_FAST (1 << 13) #define STRAPBUS_6362_FCVO_MASK (0x1f << STRAPBUS_6362_FCVO_SHIFT) #define STRAPBUS_6362_BOOT_SEL_SERIAL (1 << 15) #define STRAPBUS_6362_BOOT_SEL_NAND (0 << 15) -- 2.20.1