diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc5xxx/spl_boot.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/powerpc/cpu/mpc5xxx/spl_boot.c b/arch/powerpc/cpu/mpc5xxx/spl_boot.c index 9f14127..080bd58 100644 --- a/arch/powerpc/cpu/mpc5xxx/spl_boot.c +++ b/arch/powerpc/cpu/mpc5xxx/spl_boot.c @@ -41,13 +41,12 @@ void board_init_f(ulong bootflag) end_align = (u32)__spl_flash_end; /* - * First we need to initialize the SDRAM, so that the real - * U-Boot or the OS (Linux) can be loaded + * On MPC5200, the initial RAM (and gd) is located in the internal + * SRAM. So we can actually call the preloader console init code + * before calling initdram(). This makes serial output (printf) + * available very early, even before SDRAM init, which has been + * an U-Boot priciple from day 1. */ - initdram(0); - - /* Clear bss */ - memset(__bss_start, '\0', __bss_end__ - __bss_start); /* * Init global_data pointer. Has to be done before calling @@ -71,6 +70,15 @@ void board_init_f(ulong bootflag) preloader_console_init(); /* + * First we need to initialize the SDRAM, so that the real + * U-Boot or the OS (Linux) can be loaded + */ + initdram(0); + + /* Clear bss */ + memset(__bss_start, '\0', __bss_end__ - __bss_start); + + /* * Call board_init_r() (SPL framework version) to load and boot * real U-Boot or OS */ |