Because it is not compatible with DM where malloc_base has to be available early and init has to be done in ASM.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
Changes in v2: - New patch in the series
Moving it to C code is also possible. --- arch/microblaze/cpu/start.S | 6 ++++++ arch/microblaze/include/asm/config.h | 1 - 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S index 4023ec067531..3eeeab4b88d3 100644 --- a/arch/microblaze/cpu/start.S +++ b/arch/microblaze/cpu/start.S @@ -151,6 +151,7 @@ clear_bss: 3: /* jumping to board_init */ #ifndef CONFIG_SPL_BUILD or r5, r0, r0 /* flags - empty */ + addi r31, r0, _gd brai board_init_f #else addi r31, r0, CONFIG_SYS_SPL_MALLOC_END @@ -158,6 +159,11 @@ clear_bss: #endif 1: bri 1b
+ .section .bss +.align 4 +_gd: + .space GENERATED_GBL_DATA_SIZE + #ifndef CONFIG_SPL_BUILD /* * Read 16bit little endian diff --git a/arch/microblaze/include/asm/config.h b/arch/microblaze/include/asm/config.h index 468673460bfb..32fd636b61df 100644 --- a/arch/microblaze/include/asm/config.h +++ b/arch/microblaze/include/asm/config.h @@ -13,6 +13,5 @@
#define CONFIG_NR_DRAM_BANKS 1 #define CONFIG_SYS_GENERIC_BOARD -#define CONFIG_SYS_GENERIC_GLOBAL_DATA
#endif -- 1.8.2.3