From d9666553a10ea85ea64e3e8784a42167a1709ed5 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Mon, 21 Nov 2011 00:48:52 +0100 Subject: [PATCH 55/84] MIPS: BCM63XX: add flash detection for BCM6362 Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/dev-flash.c | 13 ++++++++++++- arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 1 + 2 files changed, 13 insertions(+), 1 deletions(-) --- a/arch/mips/bcm63xx/dev-flash.c +++ b/arch/mips/bcm63xx/dev-flash.c @@ -100,6 +100,17 @@ static int __init bcm63xx_detect_flash_t 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_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) @@ -136,7 +147,7 @@ int __init bcm63xx_flash_register(void) return platform_device_register(&mtd_dev); case BCM63XX_FLASH_TYPE_SERIAL: - if (BCMCPU_IS_6328()) + if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) bcm63xx_flash_data.max_transfer_len = HSSPI_BUFFER_LEN; return spi_register_board_info(bcm63xx_spi_flash_info, --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -1304,6 +1304,7 @@ #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)