X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fboard_f.c;h=a5ead31ca7dc87e9265fd22fff29529d5c7bfbde;hb=a595a0e910960ccd4611719d5fb5c279859efaee;hp=01044452bf27e3790b2741cfb711d7a21ba644c3;hpb=b03e0510d769381ce3cda5a494889bfee5042c59;p=oweals%2Fu-boot.git diff --git a/common/board_f.c b/common/board_f.c index 01044452bf..a5ead31ca7 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -11,14 +11,18 @@ #include #include +#include #include #include +#include #include #include #include #include #include +#include #include +#include #include #include #include @@ -179,11 +183,11 @@ static int print_cpuinfo(void) char desc[512]; int ret; - ret = uclass_first_device_err(UCLASS_CPU, &dev); - if (ret) { - debug("%s: Could not get CPU device (err = %d)\n", - __func__, ret); - return ret; + dev = cpu_get_current_dev(); + if (!dev) { + debug("%s: Could not get CPU device\n", + __func__); + return -ENODEV; } ret = cpu_get_desc(dev, desc, sizeof(desc)); @@ -305,7 +309,7 @@ __weak int mach_cpu_init(void) /* Get the top of usable RAM */ __weak ulong board_get_usable_ram_top(ulong total_size) { -#ifdef CONFIG_SYS_SDRAM_BASE +#if defined(CONFIG_SYS_SDRAM_BASE) && CONFIG_SYS_SDRAM_BASE > 0 /* * Detect whether we have so much RAM that it goes past the end of our * 32-bit address space. If so, clip the usable RAM so it doesn't. @@ -381,33 +385,10 @@ static int reserve_round_4k(void) return 0; } -#ifdef CONFIG_ARM -__weak int reserve_mmu(void) +__weak int arch_reserve_mmu(void) { -#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) - /* reserve TLB table */ - gd->arch.tlb_size = PGTABLE_SIZE; - gd->relocaddr -= gd->arch.tlb_size; - - /* round down to next 64 kB limit */ - gd->relocaddr &= ~(0x10000 - 1); - - gd->arch.tlb_addr = gd->relocaddr; - debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, - gd->arch.tlb_addr + gd->arch.tlb_size); - -#ifdef CONFIG_SYS_MEM_RESERVE_SECURE - /* - * Record allocated tlb_addr in case gd->tlb_addr to be overwritten - * with location within secure ram. - */ - gd->arch.tlb_allocated = gd->arch.tlb_addr; -#endif -#endif - return 0; } -#endif static int reserve_video(void) { @@ -468,6 +449,17 @@ static int reserve_uboot(void) return 0; } +/* + * reserve after start_addr_sp the requested size and make the stack pointer + * 16-byte aligned, this alignment is needed for cast on the reserved memory + * ref = x86_64 ABI: https://reviews.llvm.org/D30049: 16 bytes + * = ARMv8 Instruction Set Overview: quad word, 16 bytes + */ +static unsigned long reserve_stack_aligned(size_t size) +{ + return ALIGN_DOWN(gd->start_addr_sp - size, 16); +} + #ifdef CONFIG_SYS_NONCACHED_MEMORY static int reserve_noncached(void) { @@ -493,7 +485,7 @@ static int reserve_noncached(void) /* reserve memory for malloc() area */ static int reserve_malloc(void) { - gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN; + gd->start_addr_sp = reserve_stack_aligned(TOTAL_MALLOC_LEN); debug("Reserving %dk for malloc() at: %08lx\n", TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp); #ifdef CONFIG_SYS_NONCACHED_MEMORY @@ -507,7 +499,7 @@ static int reserve_malloc(void) static int reserve_board(void) { if (!gd->bd) { - gd->start_addr_sp -= sizeof(bd_t); + gd->start_addr_sp = reserve_stack_aligned(sizeof(bd_t)); gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t)); memset(gd->bd, '\0', sizeof(bd_t)); debug("Reserving %zu Bytes for Board Info at: %08lx\n", @@ -526,7 +518,7 @@ static int setup_machine(void) static int reserve_global_data(void) { - gd->start_addr_sp -= sizeof(gd_t); + gd->start_addr_sp = reserve_stack_aligned(sizeof(gd_t)); gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t)); debug("Reserving %zu Bytes for Global Data at: %08lx\n", sizeof(gd_t), gd->start_addr_sp); @@ -544,7 +536,7 @@ static int reserve_fdt(void) if (gd->fdt_blob) { gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); - gd->start_addr_sp -= gd->fdt_size; + gd->start_addr_sp = reserve_stack_aligned(gd->fdt_size); gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); debug("Reserving %lu Bytes for FDT at: %08lx\n", gd->fdt_size, gd->start_addr_sp); @@ -559,7 +551,7 @@ static int reserve_bootstage(void) #ifdef CONFIG_BOOTSTAGE int size = bootstage_get_size(); - gd->start_addr_sp -= size; + gd->start_addr_sp = reserve_stack_aligned(size); gd->new_bootstage = map_sysmem(gd->start_addr_sp, size); debug("Reserving %#x Bytes for bootstage at: %08lx\n", size, gd->start_addr_sp); @@ -576,8 +568,7 @@ __weak int arch_reserve_stacks(void) static int reserve_stacks(void) { /* make stack pointer 16-byte aligned */ - gd->start_addr_sp -= 16; - gd->start_addr_sp &= ~0xf; + gd->start_addr_sp = reserve_stack_aligned(16); /* * let the architecture-specific code tailor gd->start_addr_sp and @@ -589,8 +580,7 @@ static int reserve_stacks(void) static int reserve_bloblist(void) { #ifdef CONFIG_BLOBLIST - gd->start_addr_sp &= ~0xf; - gd->start_addr_sp -= CONFIG_BLOBLIST_SIZE; + gd->start_addr_sp = reserve_stack_aligned(CONFIG_BLOBLIST_SIZE); gd->new_bloblist = map_sysmem(gd->start_addr_sp, CONFIG_BLOBLIST_SIZE); #endif @@ -858,6 +848,16 @@ __weak int arch_cpu_init_dm(void) return 0; } +__weak int checkcpu(void) +{ + return 0; +} + +__weak int clear_bss(void) +{ + return 0; +} + static const init_fnc_t init_sequence_f[] = { setup_mon_len, #ifdef CONFIG_OF_CONTROL @@ -900,9 +900,7 @@ static const init_fnc_t init_sequence_f[] = { console_init_f, /* stage 1 init of console */ display_options, /* say that we are here */ display_text_info, /* show debugging info if required */ -#if defined(CONFIG_PPC) || defined(CONFIG_SH) || defined(CONFIG_X86) checkcpu, -#endif #if defined(CONFIG_SYSRESET) print_resetinfo, #endif @@ -958,9 +956,7 @@ static const init_fnc_t init_sequence_f[] = { reserve_pram, #endif reserve_round_4k, -#ifdef CONFIG_ARM - reserve_mmu, -#endif + arch_reserve_mmu, reserve_video, reserve_trace, reserve_uboot, @@ -995,11 +991,8 @@ static const init_fnc_t init_sequence_f[] = { #if defined(CONFIG_X86) || defined(CONFIG_ARC) copy_uboot_to_ram, do_elf_reloc_fixups, - clear_bss, #endif -#if defined(CONFIG_XTENSA) clear_bss, -#endif #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \ !CONFIG_IS_ENABLED(X86_64) jump_to_copy,