diff options
| -rw-r--r-- | arch/mips/Kconfig | 9 | ||||
| -rw-r--r-- | arch/mips/cpu/start.S | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b76ad8c451..f7439c436b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -425,6 +425,15 @@ config MIPS_INIT_STACK_IN_SRAM lowlevel_init. Thus lowlevel_init does not need to be implemented in assembler. +config MIPS_SRAM_INIT + bool + default n + depends on MIPS_INIT_STACK_IN_SRAM + help + Select this if the SRAM for initial stack needs to be initialized + before it can be used. If enabled, a function mips_sram_init() will + be called just before setup_stack_gd. + config SYS_DCACHE_SIZE int default 0 diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S index 784b8be814..dd93df9e4a 100644 --- a/arch/mips/cpu/start.S +++ b/arch/mips/cpu/start.S @@ -217,6 +217,13 @@ wr_done: #endif #ifdef CONFIG_MIPS_INIT_STACK_IN_SRAM +#ifdef CONFIG_MIPS_SRAM_INIT + /* Initialize the SRAM first */ + PTR_LA t9, mips_sram_init + jalr t9 + nop +#endif + /* Set up initial stack and global data */ setup_stack_gd |