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omap: add basic SPL support

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- Provide alternate implementations of board_init_f()
  board_init_r() for OMAP spl.
- Provide linker script
- Initialize global data
- Add serial console support
- Update CONFIG_SYS_TEXT_BASE to allow for SPL's bss and move
  it to board config header from config.mk

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Aneesh V
2011-07-21 09:10:21 -04:00
committed by U-Boot
parent 033ca72438
commit bcae721162
15 changed files with 257 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
include/configs/omap4_panda.h
View File

@@ -243,4 +243,30 @@
#define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
#endif
/* Defines for SPL */
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE 0x40304350
#define CONFIG_SPL_MAX_SIZE 0x8000 /* 32 K */
#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
#define CONFIG_SPL_BSS_START_ADDR 0x80000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/omap-common/u-boot-spl.lds"
/*
* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
* 64 bytes before this address should be set aside for u-boot.img's
* header. That is 0x800FFFC0--0x80100000 should not be used for any
* other needs.
*/
#define CONFIG_SYS_TEXT_BASE 0x80100000
#endif /* __CONFIG_H */

26
include/configs/omap4_sdp4430.h
View File

@@ -249,4 +249,30 @@
#define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
#endif
/* Defines for SPL */
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE 0x40304350
#define CONFIG_SPL_MAX_SIZE 0x8000 /* 32 K */
#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
#define CONFIG_SPL_BSS_START_ADDR 0x80000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/omap-common/u-boot-spl.lds"
/*
* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
* 64 bytes before this address should be set aside for u-boot.img's
* header. That is 0x800FFFC0--0x80100000 should not be used for any
* other needs.
*/
#define CONFIG_SYS_TEXT_BASE 0x80100000
#endif /* __CONFIG_H */