From 4b96bad5f6f69b838b7a7b660f66fcaed84aa37a Mon Sep 17 00:00:00 2001 From: Adriana Kobylak Date: Mon, 7 Aug 2017 16:20:37 -0500 Subject: Add MTD support to Aspeed Flash driver Add support to the aspeed flash driver to enable the common mtd layer through CONFIG_FLASH_CFI_MTD. This enables the flash to be used by u-boot mtd drivers including the mtdparts and ubi commands. Signed-off-by: Adriana Kobylak Acked-by: Milton Miller Signed-off-by: Andrew Jeffery --- arch/arm/mach-aspeed/flash.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-aspeed/flash.c b/arch/arm/mach-aspeed/flash.c index 9c5ead6fd7..e1e3cf8d7f 100644 --- a/arch/arm/mach-aspeed/flash.c +++ b/arch/arm/mach-aspeed/flash.c @@ -124,6 +124,22 @@ flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* FLASH chips info */ /* specificspi */ #define SpecificSPI_N25Q512 0x00000001 +#ifdef CONFIG_FLASH_CFI_MTD +static uint flash_verbose=1; +void flash_set_verbose(uint v) +{ + flash_verbose = v; +} + +unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect) +{ + if (sect != (info->sector_count - 1)) + return info->start[sect + 1] - info->start[sect]; + else + return info->start[0] + info->size - info->start[sect]; +} +#endif + /*-----------------------------------------------------------------------*/ static u32 ast_spi_calculate_divisor(u32 max_speed_hz) { @@ -1372,6 +1388,10 @@ unsigned long flash_init (void) flash_get_info(CONFIG_ENV_ADDR_REDUND)); #endif +#ifdef CONFIG_FLASH_CFI_MTD + cfi_mtd_init(); +#endif + return (size); } -- cgit v1.2.1