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| author | Michal Simek <michal.simek@xilinx.com> | 2014-01-21 07:30:37 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2014-02-04 16:39:50 +0100 |
| commit | 9d24274509cdd463992dc1fb1a2820d6a4b6d21d (patch) | |
| tree | aa599f1c017ae0a597daf3394e8a45ed3192396d /include/configs | |
| parent | 22ff7f4d195b49ca7db5b2a0c3aa2c987ab88c34 (diff) | |
| download | talos-obmc-uboot-9d24274509cdd463992dc1fb1a2820d6a4b6d21d.tar.gz talos-obmc-uboot-9d24274509cdd463992dc1fb1a2820d6a4b6d21d.zip | |
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 <michal.simek@xilinx.com>
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/microblaze-generic.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h index 35e5a4acfa..486787e147 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 */ |
