X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fcrt0.S;h=a5bffb8da6df6e62645ea7aa9d403ac7853e1c64;hb=0f5141e9c57e96de11642a5baa7ffbb17aecc761;hp=1524f7eb69ccfa16d2528047db98f4899fc62657;hpb=9c5feab76fe15332193fe3f1ba183021fb84c203;p=u-boot diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index 1524f7eb69..a5bffb8da6 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -64,7 +64,7 @@ * have some work left to do at this point regarding memory, so * call c_runtime_cpu_setup. * - * 6. Branch to either nand_boot() or board_init_r(). + * 6. Branch to board_init_r(). */ /* @@ -77,10 +77,7 @@ ENTRY(_main) * Set up initial C runtime environment and call board_init_f(0). */ -#if defined(CONFIG_NAND_SPL) - /* deprecated, use instead CONFIG_SPL_BUILD */ - ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) -#elif defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_STACK) +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_STACK) ldr sp, =(CONFIG_SPL_STACK) #else ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) @@ -96,21 +93,19 @@ ENTRY(_main) /* * Set up intermediate environment (new sp and gd) and call - * relocate_code(addr_sp, gd, addr_moni). Trick here is that - * we'll return 'here' but relocated. + * relocate_code(addr_moni). Trick here is that we'll return + * 'here' but relocated. */ - ldr sp, [r8, #GD_START_ADDR_SP] /* r8 = gd->start_addr_sp */ + ldr sp, [r8, #GD_START_ADDR_SP] /* sp = gd->start_addr_sp */ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ ldr r8, [r8, #GD_BD] /* r8 = gd->bd */ sub r8, r8, #GD_SIZE /* new GD is below bd */ adr lr, here - ldr r0, [r8, #GD_RELOC_OFF] /* lr = gd->start_addr_sp */ + ldr r0, [r8, #GD_RELOC_OFF] /* r0 = gd->reloc_off */ add lr, lr, r0 - ldr r0, [r8, #GD_START_ADDR_SP] /* r0 = gd->start_addr_sp */ - mov r1, r8 /* r1 = gd */ - ldr r2, [r8, #GD_RELOCADDR] /* r2 = gd->relocaddr */ + ldr r0, [r8, #GD_RELOCADDR] /* r0 = gd->relocaddr */ b relocate_code here: @@ -131,21 +126,12 @@ clbss_l:cmp r0, r1 /* while not at end of BSS */ bl coloured_LED_init bl red_led_on -#if defined(CONFIG_NAND_SPL) - - /* call _nand_boot() */ - ldr pc, =nand_boot - -#else - /* call board_init_r(gd_t *id, ulong dest_addr) */ mov r0, r8 /* gd_t */ ldr r1, [r8, #GD_RELOCADDR] /* dest_addr */ /* call board_init_r */ ldr pc, =board_init_r /* this is auto-relocated! */ -#endif - /* we should not return here. */ #endif