X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fx86%2Fcpu%2Fcoreboot%2Fcoreboot.c;h=4cdd0d403530a17d3ac8dd9135d2564563aacf21;hb=307367eaffc8638e10ba1784fc66bfe623ae79e2;hp=2df72884f9232cb8203fb1f308f56829d58b1168;hpb=fce0a90a68de507dc827c1ff40d9e446047fa043;p=oweals%2Fu-boot.git diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index 2df72884f9..4cdd0d4035 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -39,17 +40,6 @@ int board_early_init_f(void) return 0; } -int board_early_init_r(void) -{ - /* CPU Speed to 100MHz */ - gd->cpu_clk = 100000000; - - /* Crystal is 33.000MHz */ - gd->bus_clk = 33000000; - - return 0; -} - int print_cpuinfo(void) { return default_print_cpuinfo(); @@ -75,11 +65,6 @@ int board_eth_init(bd_t *bis) return pci_eth_init(bis); } -#define MTRR_TYPE_WP 5 -#define MTRRcap_MSR 0xfe -#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) -#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) - void board_final_cleanup(void) { /* Un-cache the ROM so the kernel has one @@ -88,15 +73,17 @@ void board_final_cleanup(void) * Coreboot should have assigned this to the * top available variable MTRR. */ - u8 top_mtrr = (native_read_msr(MTRRcap_MSR) & 0xff) - 1; - u8 top_type = native_read_msr(MTRRphysBase_MSR(top_mtrr)) & 0xff; + u8 top_mtrr = (native_read_msr(MTRR_CAP_MSR) & 0xff) - 1; + u8 top_type = native_read_msr(MTRR_PHYS_BASE_MSR(top_mtrr)) & 0xff; /* Make sure this MTRR is the correct Write-Protected type */ - if (top_type == MTRR_TYPE_WP) { - disable_caches(); - wrmsrl(MTRRphysBase_MSR(top_mtrr), 0); - wrmsrl(MTRRphysMask_MSR(top_mtrr), 0); - enable_caches(); + if (top_type == MTRR_TYPE_WRPROT) { + struct mtrr_state state; + + mtrr_open(&state); + wrmsrl(MTRR_PHYS_BASE_MSR(top_mtrr), 0); + wrmsrl(MTRR_PHYS_MASK_MSR(top_mtrr), 0); + mtrr_close(&state); } /* Issue SMI to Coreboot to lock down ME and registers */ @@ -112,3 +99,8 @@ void panic_puts(const char *str) while (*str) NS16550_putc(port, *str++); } + +int misc_init_r(void) +{ + return 0; +}