From 14f264e6fdce3cccae4e3816252b7a8bb3c7dd9f Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 19 Feb 2015 17:19:37 +0100 Subject: [PATCH] vexpress64: juno: add NOR flash detection This enables the vexpress64 to detect its NOR flash so that we can load kernel etc from it. Signed-off-by: Linus Walleij --- include/configs/vexpress_aemv8a.h | 34 +++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h index cfe3f2f7af..e6cd8819dd 100644 --- a/include/configs/vexpress_aemv8a.h +++ b/include/configs/vexpress_aemv8a.h @@ -29,8 +29,6 @@ /*#define CONFIG_ARMV8_SWITCH_TO_EL1*/ -#define CONFIG_SYS_NO_FLASH - #define CONFIG_SUPPORT_RAW_INITRD /* Cache Definitions */ @@ -56,7 +54,6 @@ /* Flat Device Tree Definitions */ #define CONFIG_OF_LIBFDT - /* SMP Spin Table Definitions */ #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP #define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000) @@ -79,13 +76,6 @@ #define V2M_BASE 0x80000000 -/* - * Physical addresses, offset from V2M_PA_CS0-3 - */ -#define V2M_NOR0 (V2M_PA_CS0) -#define V2M_NOR1 (V2M_PA_CS4) -#define V2M_SRAM (V2M_PA_CS1) - /* Common peripherals relative to CS7. */ #define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4)) #define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5)) @@ -183,7 +173,6 @@ #define CONFIG_CMD_DHCP #define CONFIG_CMD_PXE #define CONFIG_CMD_ENV -#define CONFIG_CMD_FLASH #define CONFIG_CMD_IMI #define CONFIG_CMD_LOADB #define CONFIG_CMD_MEMORY @@ -266,4 +255,27 @@ #define CONFIG_CMDLINE_EDITING #define CONFIG_SYS_MAXARGS 64 /* max command args */ +/* Flash memory is available on the Juno board only */ +#ifndef CONFIG_TARGET_VEXPRESS64_JUNO +#define CONFIG_SYS_NO_FLASH +#else +#define CONFIG_CMD_FLASH +#define CONFIG_SYS_FLASH_CFI 1 +#define CONFIG_FLASH_CFI_DRIVER 1 +#define CONFIG_SYS_FLASH_BASE 0x08000000 +#define CONFIG_SYS_FLASH_SIZE 0x04000000 /* 64 MiB */ +#define CONFIG_SYS_MAX_FLASH_BANKS 2 + +/* Timeout values in ticks */ +#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ +#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ + +/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ +#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ +#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ +#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ + +#endif + #endif /* __VEXPRESS_AEMV8A_H */ -- 2.39.2