diff options
Diffstat (limited to 'src/mainboard/tyan/s2735')
| -rw-r--r-- | src/mainboard/tyan/s2735/romstage.c | 96 |
1 files changed, 2 insertions, 94 deletions
diff --git a/src/mainboard/tyan/s2735/romstage.c b/src/mainboard/tyan/s2735/romstage.c index 91cdd4ba04..710e72b8a3 100644 --- a/src/mainboard/tyan/s2735/romstage.c +++ b/src/mainboard/tyan/s2735/romstage.c @@ -63,9 +63,7 @@ static inline int spd_read_byte(unsigned device, unsigned address) #include "northbridge/intel/e7501/reset_test.c" #include "lib/generic_sdram.c" - - -void stage1_main(unsigned long bist) +void main(unsigned long bist) { static const struct mem_controller memctrl[] = { { @@ -97,8 +95,7 @@ void stage1_main(unsigned long bist) // setup_s2735_resource_map(); if(bios_reset_detected()) { - cpu_reset = 1; - goto cpu_reset_x; + hard_reset(); } enable_smbus(); @@ -119,94 +116,5 @@ void stage1_main(unsigned long bist) #if 1 dump_pci_device(PCI_DEV(0, 0, 0)); #endif - -#if 1 - { - /* Check value of esp to verify if we have enough rom for stack in Cache as RAM */ - unsigned v_esp; - __asm__ volatile ( - "movl %%esp, %0\n\t" - : "=a" (v_esp) - ); -#if CONFIG_USE_PRINTK_IN_CAR - printk(BIOS_DEBUG, "v_esp=%08x\n", v_esp); -#else - print_debug("v_esp="); print_debug_hex32(v_esp); print_debug("\n"); -#endif - } - -#endif -#if 1 - -cpu_reset_x: - -#if CONFIG_USE_PRINTK_IN_CAR - printk(BIOS_DEBUG, "cpu_reset = %08x\n",cpu_reset); -#else - print_debug("cpu_reset = "); print_debug_hex32(cpu_reset); print_debug("\n"); -#endif - - if(cpu_reset == 0) { - print_debug("Clearing initial memory region: "); - } - print_debug("No cache as ram now - "); - - /* store cpu_reset to ebx */ - __asm__ volatile ( - "movl %0, %%ebx\n\t" - ::"a" (cpu_reset) - ); - - if(cpu_reset==0) { -#define CLEAR_FIRST_1M_RAM 1 -#include "cpu/x86/car/cache_as_ram_post.c" - } - else { -#undef CLEAR_FIRST_1M_RAM -#include "cpu/x86/car/cache_as_ram_post.c" - } - - __asm__ volatile ( - /* set new esp */ /* before CONFIG_RAMBASE */ - "subl %0, %%ebp\n\t" - "subl %0, %%esp\n\t" - ::"a"( (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE)- CONFIG_RAMBASE ) - ); - - { - unsigned new_cpu_reset; - - /* get back cpu_reset from ebx */ - __asm__ volatile ( - "movl %%ebx, %0\n\t" - :"=a" (new_cpu_reset) - ); - - /* We can not go back any more, we lost old stack data in cache as ram*/ - if(new_cpu_reset==0) { - print_debug("Use Ram as Stack now - done\n"); - } else - { - print_debug("Use Ram as Stack now - \n"); - } -#if CONFIG_USE_PRINTK_IN_CAR - printk(BIOS_DEBUG, "new_cpu_reset = %08x\n", new_cpu_reset); -#else - print_debug("new_cpu_reset = "); print_debug_hex32(new_cpu_reset); print_debug("\n"); -#endif - -#ifdef DEACTIVATE_CAR - print_debug("Deactivating CAR"); -#include DEACTIVATE_CAR_FILE - print_debug(" - Done.\n"); -#endif - /*copy and execute coreboot_ram */ - copy_and_run(new_cpu_reset); - /* We will not return */ - } -#endif - - print_debug("should not be here -\n"); - } |