From 9d24274509cdd463992dc1fb1a2820d6a4b6d21d Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 21 Jan 2014 07:30:37 +0100 Subject: microblaze: Add SPL support Add support for U-BOOT SPL. NOR and RAM mode are supported. There are 3 images in NOR flash. u-boot.img, dtb and kernel. Signed-off-by: Michal Simek --- include/configs/microblaze-generic.h | 60 ++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) (limited to 'include') diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h index 35e5a4a..486787e 100644 --- a/include/configs/microblaze-generic.h +++ b/include/configs/microblaze-generic.h @@ -447,4 +447,64 @@ # undef CONFIG_PHYLIB #endif +/* SPL part */ +#define CONFIG_SPL +#define CONFIG_CMD_SPL +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_BOARD_INIT + +#define CONFIG_SPL_LDSCRIPT "arch/microblaze/cpu/u-boot-spl.lds" + +#define CONFIG_SPL_RAM_DEVICE +#define CONFIG_SPL_NOR_SUPPORT + +/* for booting directly linux */ +#define CONFIG_SPL_OS_BOOT + +#define CONFIG_SYS_OS_BASE (CONFIG_SYS_FLASH_BASE + \ + 0x60000) +#define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ + 0x40000) +#define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ + 0x1000000) + +/* SP location before relocation, must use scratch RAM */ +/* BRAM start */ +#define CONFIG_SYS_INIT_RAM_ADDR 0x0 +/* BRAM size - will be generated */ +#define CONFIG_SYS_INIT_RAM_SIZE 0x10000 +/* Stack pointer prior relocation, must situated at on-chip RAM */ +#define CONFIG_SYS_SPL_MALLOC_END (CONFIG_SYS_INIT_RAM_ADDR + \ + CONFIG_SYS_INIT_RAM_SIZE - \ + GENERATED_GBL_DATA_SIZE) + +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100 + +/* + * The main reason to do it in this way is that MALLOC_START + * can't be defined - common/spl/spl.c + */ +#if (CONFIG_SYS_SPL_MALLOC_SIZE != 0) +# define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_SPL_MALLOC_END - \ + CONFIG_SYS_SPL_MALLOC_SIZE) +# define CONFIG_SPL_STACK_ADDR CONFIG_SYS_SPL_MALLOC_START +#else +# define CONFIG_SPL_STACK_ADDR CONFIG_SYS_SPL_MALLOC_END +#endif + +/* Just for sure that there is a space for stack */ +#define CONFIG_SPL_STACK_SIZE 0x100 + +#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE +#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE + +#define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ + CONFIG_SYS_INIT_RAM_ADDR - \ + GENERATED_GBL_DATA_SIZE - \ + CONFIG_SYS_SPL_MALLOC_SIZE - \ + CONFIG_SPL_STACK_SIZE) + #endif /* __CONFIG_H */ -- cgit v1.1