diff options
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r-- | arch/x86/cpu/coreboot/coreboot.c | 15 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/sdram.c | 18 | ||||
-rw-r--r-- | arch/x86/cpu/cpu.c | 23 | ||||
-rw-r--r-- | arch/x86/cpu/interrupts.c | 7 | ||||
-rw-r--r-- | arch/x86/cpu/u-boot.lds | 23 |
5 files changed, 51 insertions, 35 deletions
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index 9c9431e0d9..f8e28f0c82 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -68,24 +68,21 @@ int board_early_init_r(void) void show_boot_progress(int val) { #if MIN_PORT80_KCLOCKS_DELAY - static uint32_t prev_stamp; - static uint32_t base; - /* * Scale the time counter reading to avoid using 64 bit arithmetics. * Can't use get_timer() here becuase it could be not yet * initialized or even implemented. */ - if (!prev_stamp) { - base = rdtsc() / 1000; - prev_stamp = 0; + if (!gd->arch.tsc_prev) { + gd->arch.tsc_base_kclocks = rdtsc() / 1000; + gd->arch.tsc_prev = 0; } else { uint32_t now; do { - now = rdtsc() / 1000 - base; - } while (now < (prev_stamp + MIN_PORT80_KCLOCKS_DELAY)); - prev_stamp = now; + now = rdtsc() / 1000 - gd->arch.tsc_base_kclocks; + } while (now < (gd->arch.tsc_prev + MIN_PORT80_KCLOCKS_DELAY)); + gd->arch.tsc_prev = now; } #endif outb(val, 0x80); diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c index 76274cb88e..a8136a06ab 100644 --- a/arch/x86/cpu/coreboot/sdram.c +++ b/arch/x86/cpu/coreboot/sdram.c @@ -60,12 +60,8 @@ unsigned install_e820_map(unsigned max_entries, struct e820entry *entries) * address, and how far U-Boot is moved by relocation are set in the global * data structure. */ -int calculate_relocation_address(void) +ulong board_get_usable_ram_top(ulong total_size) { - const uint64_t uboot_size = (uintptr_t)&__bss_end - - (uintptr_t)&__text_start; - const uint64_t total_size = uboot_size + CONFIG_SYS_MALLOC_LEN + - CONFIG_SYS_STACK_SIZE; uintptr_t dest_addr = 0; int i; @@ -87,21 +83,15 @@ int calculate_relocation_address(void) continue; /* Use this address if it's the largest so far. */ - if (end - uboot_size > dest_addr) + if (end > dest_addr) dest_addr = end; } /* If no suitable area was found, return an error. */ if (!dest_addr) - return 1; + panic("No available memory found for relocation"); - dest_addr -= uboot_size; - dest_addr &= ~((1 << 12) - 1); - gd->relocaddr = dest_addr; - gd->reloc_off = dest_addr - (uintptr_t)&__text_start; - gd->start_addr_sp = dest_addr - CONFIG_SYS_MALLOC_LEN; - - return 0; + return (ulong)dest_addr; } int dram_init_f(void) diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index 6a23974ff5..1a2f85c1fe 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -228,3 +228,26 @@ void flush_dcache_range(unsigned long start, unsigned long stop) void invalidate_dcache_range(unsigned long start, unsigned long stop) { } + +void dcache_enable(void) +{ + enable_caches(); +} + +void dcache_disable(void) +{ + disable_caches(); +} + +void icache_enable(void) +{ +} + +void icache_disable(void) +{ +} + +int icache_status(void) +{ + return 1; +} diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c index dd30a05a9d..6dc74e34c6 100644 --- a/arch/x86/cpu/interrupts.c +++ b/arch/x86/cpu/interrupts.c @@ -626,13 +626,12 @@ asm(".globl irq_common_entry\n" \ */ u64 get_ticks(void) { - static u64 tick_base; u64 now_tick = rdtsc(); - if (!tick_base) - tick_base = now_tick; + if (!gd->arch.tsc_base) + gd->arch.tsc_base = now_tick; - return now_tick - tick_base; + return now_tick - gd->arch.tsc_base; } #define PLATFORM_INFO_MSR 0xce diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds index 2313cd793a..ef5aa951c9 100644 --- a/arch/x86/cpu/u-boot.lds +++ b/arch/x86/cpu/u-boot.lds @@ -36,7 +36,7 @@ SECTIONS . = ALIGN(4); .u_boot_list : { - #include <u-boot.lst> + KEEP(*(SORT(.u_boot_list*))); } . = ALIGN(4); @@ -46,9 +46,6 @@ SECTIONS .data : { *(.data*) } . = ALIGN(4); - .dynsym : { *(.dynsym*) } - - . = ALIGN(4); .hash : { *(.hash*) } . = ALIGN(4); @@ -58,15 +55,25 @@ SECTIONS __data_end = .; . = ALIGN(4); - __bss_start = ABSOLUTE(.); - .bss (NOLOAD) : { *(.bss) } - . = ALIGN(4); - __bss_end = ABSOLUTE(.); + .dynsym : { *(.dynsym*) } . = ALIGN(4); __rel_dyn_start = .; .rel.dyn : { *(.rel.dyn) } __rel_dyn_end = .; + . = ALIGN(4); + _end = .; + + . = ALIGN(4); + + __end = .; + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + *(COM*) + . = ALIGN(4); + __bss_end = .; + } /DISCARD/ : { *(.dynstr*) } /DISCARD/ : { *(.dynamic*) } |