X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fboard_f.c;h=541ca1a955ae27fac6f6bb15fbd3d863451fa966;hp=cfd77f865361b53feb3a2945ba6a589a1e62417b;hb=08febde1706f98a2c39574c57033ff28687ef5a8;hpb=a74a4a86a53726ba17de8ab863bec1cd60cf545e diff --git a/common/board_f.c b/common/board_f.c index cfd77f8653..541ca1a955 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -111,7 +111,7 @@ static int init_func_watchdog_init(void) { # if defined(CONFIG_HW_WATCHDOG) && (defined(CONFIG_BLACKFIN) || \ defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \ - defined(CONFIG_SH)) + defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG)) hw_watchdog_init(); # endif puts(" Watchdog enabled\n"); @@ -262,7 +262,7 @@ static int zero_global_data(void) static int setup_mon_len(void) { -#ifdef __ARM__ +#if defined(__ARM__) || defined(__MICROBLAZE__) gd->mon_len = (ulong)&__bss_end - (ulong)_start; #elif defined(CONFIG_SANDBOX) gd->mon_len = (ulong)&_end - (ulong)_init; @@ -280,6 +280,11 @@ __weak int arch_cpu_init(void) return 0; } +__weak unsigned long get_timer_masked(void) +{ + return get_timer(0); +} + #ifdef CONFIG_OF_HOSTFILE static int read_fdt_from_file(void) @@ -573,48 +578,22 @@ static int reserve_fdt(void) return 0; } -static int reserve_stacks(void) +int arch_reserve_stacks(void) { -#ifdef CONFIG_SPL_BUILD -# ifdef CONFIG_ARM - gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ - gd->irq_sp = gd->start_addr_sp; -# endif -#else -# ifdef CONFIG_PPC - ulong *s; -# endif + return 0; +} - /* setup stack pointer for exceptions */ +static int reserve_stacks(void) +{ + /* make stack pointer 16-byte aligned */ gd->start_addr_sp -= 16; gd->start_addr_sp &= ~0xf; - gd->irq_sp = gd->start_addr_sp; /* - * Handle architecture-specific things here - * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() - * to handle this and put in arch/xxx/lib/stack.c + * let the architecture specific code tailor gd->start_addr_sp and + * gd->irq_sp */ -# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) -# ifdef CONFIG_USE_IRQ - gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); - - /* 8-byte alignment for ARM ABI compliance */ - gd->start_addr_sp &= ~0x07; -# endif - /* leave 3 words for abort-stack, plus 1 for alignment */ - gd->start_addr_sp -= 16; -# elif defined(CONFIG_PPC) - /* Clear initial stack frame */ - s = (ulong *) gd->start_addr_sp; - *s = 0; /* Terminate back chain */ - *++s = 0; /* NULL return address */ -# endif /* Architecture specific code */ - - return 0; -#endif + return arch_reserve_stacks(); } static int display_new_sp(void) @@ -734,7 +713,11 @@ static int reloc_fdt(void) static int setup_reloc(void) { #ifdef CONFIG_SYS_TEXT_BASE +#ifndef CONFIG_ARM gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE; +#else + gd->reloc_off = gd->relocaddr - (unsigned long)__image_copy_start; +#endif #endif memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); @@ -807,6 +790,12 @@ static int initf_dm(void) return 0; } +/* Architecture-specific memory reservation */ +__weak int reserve_arch(void) +{ + return 0; +} + static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_SANDBOX setup_ram_buf, @@ -888,7 +877,7 @@ static init_fnc_t init_sequence_f[] = { prt_mpc5xxx_clks, #endif /* CONFIG_MPC5xxx */ #if defined(CONFIG_DISPLAY_BOARDINFO) - checkboard, /* display board info */ + show_board_info, #endif INIT_FUNC_WATCHDOG_INIT #if defined(CONFIG_MISC_INIT_F) @@ -903,7 +892,7 @@ static init_fnc_t init_sequence_f[] = { #endif announce_dram_init, /* TODO: unify all these dram functions? */ -#if defined(CONFIG_ARM) || defined(CONFIG_X86) +#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) dram_init, /* configure available RAM banks */ #endif #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) @@ -970,6 +959,7 @@ static init_fnc_t init_sequence_f[] = { setup_machine, reserve_global_data, reserve_fdt, + reserve_arch, reserve_stacks, setup_dram_config, show_dram_config, @@ -985,6 +975,11 @@ static init_fnc_t init_sequence_f[] = { INIT_FUNC_WATCHDOG_RESET reloc_fdt, setup_reloc, +#ifdef CONFIG_X86 + copy_uboot_to_ram, + clear_bss, + do_elf_reloc_fixups, +#endif #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) jump_to_copy, #endif @@ -1044,9 +1039,6 @@ void board_init_f(ulong boot_flags) */ static init_fnc_t init_sequence_f_r[] = { init_cache_f_r, - copy_uboot_to_ram, - clear_bss, - do_elf_reloc_fixups, NULL, }; @@ -1066,4 +1058,22 @@ void board_init_f_r(void) /* NOTREACHED - board_init_r() does not return */ hang(); } +#else +ulong board_init_f_mem(ulong top) +{ + /* Leave space for the stack we are running with now */ + top -= 0x40; + + top -= sizeof(struct global_data); + top = ALIGN(top, 16); + gd = (struct global_data *)top; + memset((void *)gd, '\0', sizeof(*gd)); + +#ifdef CONFIG_SYS_MALLOC_F_LEN + top -= CONFIG_SYS_MALLOC_F_LEN; + gd->malloc_base = top; +#endif + + return top; +} #endif /* CONFIG_X86 */