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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-01-18 22:18:38 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-01-21 14:07:16 +0100 |
| commit | dd82128ef5e9fc660862a0a60423aa01a03de5d4 (patch) | |
| tree | f62fed5cc38da9680d9532403ab0ab203dc0b777 | |
| parent | 9d638eeab71c506cdb7b085fa1932dad13885c02 (diff) | |
| download | u-boot-dd82128ef5e9fc660862a0a60423aa01a03de5d4.tar.gz u-boot-dd82128ef5e9fc660862a0a60423aa01a03de5d4.tar.xz u-boot-dd82128ef5e9fc660862a0a60423aa01a03de5d4.zip | |
MIPS: add support for CONFIG_SYS_INIT_SP_ADDR
Support the existing config option CONFIG_SYS_INIT_SP_ADDR on
MIPS. This allows to move the initial stack to other places
than the beginning of RAM.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
| -rw-r--r-- | arch/mips/cpu/mips32/start.S | 7 | ||||
| -rw-r--r-- | arch/mips/cpu/mips64/start.S | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S index 384ea26022..59468590a9 100644 --- a/arch/mips/cpu/mips32/start.S +++ b/arch/mips/cpu/mips32/start.S @@ -15,6 +15,11 @@ #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT #endif +#ifndef CONFIG_SYS_INIT_SP_ADDR +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \ + CONFIG_SYS_INIT_SP_OFFSET) +#endif + /* * For the moment disable interrupts, mark the kernel mode and * set ST0_KX so that the CPU does not spit fire when using @@ -135,7 +140,7 @@ reset: #endif /* Set up temporary stack */ - li sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET + li sp, CONFIG_SYS_INIT_SP_ADDR move fp, sp la t9, board_init_f diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S index 6ff714e8ed..81df923bc3 100644 --- a/arch/mips/cpu/mips64/start.S +++ b/arch/mips/cpu/mips64/start.S @@ -15,6 +15,11 @@ #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT #endif +#ifndef CONFIG_SYS_INIT_SP_ADDR +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \ + CONFIG_SYS_INIT_SP_OFFSET) +#endif + #ifdef CONFIG_SYS_LITTLE_ENDIAN #define MIPS64_R_INFO(ssym, r_type3, r_type2, r_type) \ (((r_type) << 24) | ((r_type2) << 16) | ((r_type3) << 8) | (ssym)) @@ -129,7 +134,7 @@ reset: #endif /* Set up temporary stack */ - dli sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET + dli sp, CONFIG_SYS_INIT_SP_ADDR move fp, sp dla t9, board_init_f |