diff options
author | Eric Biederman <ebiederm@xmission.com> | 2004-10-14 19:39:27 +0000 |
---|---|---|
committer | Eric Biederman <ebiederm@xmission.com> | 2004-10-14 19:39:27 +0000 |
commit | b84166e8e53476f1ef4d49aca17f99d303b4aa67 (patch) | |
tree | 724c55edfa55813742745553995f70fa43c851bb /src/cpu/k8 | |
parent | fcd5ace00b333ce31b11b02a2243dfbf39307f10 (diff) |
- remove deprecated directories
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1658 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/k8')
-rw-r--r-- | src/cpu/k8/Config.lb | 12 | ||||
-rw-r--r-- | src/cpu/k8/apic_timer.c | 26 | ||||
-rw-r--r-- | src/cpu/k8/chip.h | 10 | ||||
-rw-r--r-- | src/cpu/k8/cpufixup.c | 475 | ||||
-rw-r--r-- | src/cpu/k8/disable_mmx_sse.inc | 27 | ||||
-rw-r--r-- | src/cpu/k8/earlymtrr.c | 98 | ||||
-rw-r--r-- | src/cpu/k8/earlymtrr.inc | 121 | ||||
-rw-r--r-- | src/cpu/k8/enable_mmx_sse.inc | 20 |
8 files changed, 0 insertions, 789 deletions
diff --git a/src/cpu/k8/Config.lb b/src/cpu/k8/Config.lb deleted file mode 100644 index 2d88d73ebb..0000000000 --- a/src/cpu/k8/Config.lb +++ /dev/null @@ -1,12 +0,0 @@ -# How does the config tool pick the correct -# cpufixup.c to generate cpufixup.o ? - -uses k8 -uses CPU_FIXUP -default k8=1 -dir /cpu/k7 -config chip.h -if CPU_FIXUP - object cpufixup.o - object apic_timer.o -end diff --git a/src/cpu/k8/apic_timer.c b/src/cpu/k8/apic_timer.c deleted file mode 100644 index fa7e9b905f..0000000000 --- a/src/cpu/k8/apic_timer.c +++ /dev/null @@ -1,26 +0,0 @@ -#include <stdint.h> -#include <delay.h> -#include <cpu/p6/msr.h> -#include <cpu/p6/apic.h> - -void init_timer(void) -{ - /* Set the apic timer to no interrupts and periodic mode */ - apic_write(APIC_LVTT, (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0)); - /* Set the divider to 1, no divider */ - apic_write(APIC_TDCR, APIC_TDR_DIV_1); - /* Set the initial counter to 0xffffffff */ - apic_write(APIC_TMICT, 0xffffffff); -} - -void udelay(unsigned usecs) -{ - uint32_t start, value, ticks; - /* Calculate the number of ticks to run, our FSB runs a 200Mhz */ - ticks = usecs * 200; - start = apic_read(APIC_TMCCT); - do { - value = apic_read(APIC_TMCCT); - } while((start - value) < ticks); - -} diff --git a/src/cpu/k8/chip.h b/src/cpu/k8/chip.h deleted file mode 100644 index 3143425108..0000000000 --- a/src/cpu/k8/chip.h +++ /dev/null @@ -1,10 +0,0 @@ -extern struct chip_control cpu_k8_control; - -struct ht_link { - struct chip *chip; - unsigned int ht_width, ht_speed; -}; - -struct cpu_k8_config { - struct ht_link ldt0, ldt1, ldt2; -}; diff --git a/src/cpu/k8/cpufixup.c b/src/cpu/k8/cpufixup.c deleted file mode 100644 index 499fdf9045..0000000000 --- a/src/cpu/k8/cpufixup.c +++ /dev/null @@ -1,475 +0,0 @@ -/* Needed so the AMD K8 runs correctly. */ -#include <console/console.h> -#include <mem.h> -#include <cpu/p6/msr.h> -#include <cpu/k8/mtrr.h> -#include <device/device.h> -#include <device/chip.h> -#include <device/device.h> -#include <device/pci.h> -#include <smp/start_stop.h> -#include <string.h> -#include <cpu/p6/msr.h> -#include <cpu/p6/pgtbl.h> -#include <pc80/mc146818rtc.h> -#include <arch/smp/lapic.h> -#include "../../northbridge/amd/amdk8/amdk8.h" -#include "../../northbridge/amd/amdk8/cpu_rev.c" -#include "chip.h" - -#define MCI_STATUS 0x401 - -static inline void disable_cache(void) -{ - unsigned int tmp; - /* Disable cache */ - /* Write back the cache */ - asm volatile ( - "movl %%cr0, %0\n\t" - "orl $0x40000000, %0\n\t" - "wbinvd\n\t" - "movl %0, %%cr0\n\t" - "wbinvd\n\t" - :"=r" (tmp) - ::"memory"); -} - -static inline void enable_cache(void) -{ - unsigned int tmp; - // turn cache back on. - asm volatile ( - "movl %%cr0, %0\n\t" - "andl $0x9fffffff, %0\n\t" - "movl %0, %%cr0\n\t" - :"=r" (tmp) - ::"memory"); -} - -static inline msr_t rdmsr_amd(unsigned index) -{ - msr_t result; - __asm__ __volatile__ ( - "rdmsr" - : "=a" (result.lo), "=d" (result.hi) - : "c" (index), "D" (0x9c5a203a) - ); - return result; -} - -static inline void wrmsr_amd(unsigned index, msr_t msr) -{ - __asm__ __volatile__ ( - "wrmsr" - : /* No outputs */ - : "c" (index), "a" (msr.lo), "d" (msr.hi), "D" (0x9c5a203a) - ); -} - -#define MTRR_COUNT 8 -#define ZERO_CHUNK_KB 0x800UL /* 2M */ -#define TOLM_KB 0x400000UL - -struct mtrr { - msr_t base; - msr_t mask; -}; -struct mtrr_state { - struct mtrr mtrrs[MTRR_COUNT]; - msr_t top_mem, top_mem2; - msr_t def_type; -}; - -static void save_mtrr_state(struct mtrr_state *state) -{ - int i; - for(i = 0; i < MTRR_COUNT; i++) { - state->mtrrs[i].base = rdmsr(MTRRphysBase_MSR(i)); - state->mtrrs[i].mask = rdmsr(MTRRphysMask_MSR(i)); - } - state->top_mem = rdmsr(TOP_MEM); - state->top_mem2 = rdmsr(TOP_MEM2); - state->def_type = rdmsr(MTRRdefType_MSR); -} - -static void restore_mtrr_state(struct mtrr_state *state) -{ - int i; - disable_cache(); - - for(i = 0; i < MTRR_COUNT; i++) { - wrmsr(MTRRphysBase_MSR(i), state->mtrrs[i].base); - wrmsr(MTRRphysMask_MSR(i), state->mtrrs[i].mask); - } - wrmsr(TOP_MEM, state->top_mem); - wrmsr(TOP_MEM2, state->top_mem2); - wrmsr(MTRRdefType_MSR, state->def_type); - - enable_cache(); -} - - -#if 0 -static void print_mtrr_state(struct mtrr_state *state) -{ - int i; - for(i = 0; i < MTRR_COUNT; i++) { - printk_debug("var mtrr %d: %08x%08x mask: %08x%08x\n", - i, - state->mtrrs[i].base.hi, state->mtrrs[i].base.lo, - state->mtrrs[i].mask.hi, state->mtrrs[i].mask.lo); - } - printk_debug("top_mem: %08x%08x\n", - state->top_mem.hi, state->top_mem.lo); - printk_debug("top_mem2: %08x%08x\n", - state->top_mem2.hi, state->top_mem2.lo); - printk_debug("def_type: %08x%08x\n", - state->def_type.hi, state->def_type.lo); -} -#endif - -static void set_init_ecc_mtrrs(void) -{ - msr_t msr; - int i; - - disable_cache(); - - /* First clear all of the msrs to be safe */ - for (i = 0; i < MTRR_COUNT; i++) { - msr_t zero; - zero.lo = zero.hi = 0; - wrmsr(MTRRphysBase_MSR(i), zero); - wrmsr(MTRRphysMask_MSR(i), zero); - } - - /* Write back cache the first 1MB */ - msr.hi = 0x00000000; - msr.lo = 0x00000000 | MTRR_TYPE_WRBACK; - wrmsr(MTRRphysBase_MSR(0), msr); - msr.hi = 0x000000ff; - msr.lo = ~((CONFIG_LB_MEM_TOPK << 10) - 1) | 0x800; - wrmsr(MTRRphysMask_MSR(0), msr); - - /* Set the default type to write combining */ - msr.hi = 0x00000000; - msr.lo = 0xc00 | MTRR_TYPE_WRCOMB; - wrmsr(MTRRdefType_MSR, msr); - - /* Set TOP_MEM to 4G */ - msr.hi = 0x00000001; - msr.lo = 0x00000000; - wrmsr(TOP_MEM, msr); - - enable_cache(); -} - -static void init_ecc_memory(void) -{ - unsigned long startk, begink, endk; - unsigned long basek; - struct mtrr_state mtrr_state; - device_t f1_dev, f2_dev, f3_dev; - int cpu_index, cpu_id, node_id; - int enable_scrubbing; - uint32_t dcl; - cpu_id = this_processors_id(); - cpu_index = processor_index(cpu_id); - /* For now there is a 1-1 mapping between node_id and cpu_id */ - node_id = cpu_id; - - f1_dev = dev_find_slot(0, PCI_DEVFN(0x18 + node_id, 1)); - if (!f1_dev) { - die("Cannot find cpu function 1\n"); - } - f2_dev = dev_find_slot(0, PCI_DEVFN(0x18 + node_id, 2)); - if (!f2_dev) { - die("Cannot find cpu function 2\n"); - } - f3_dev = dev_find_slot(0, PCI_DEVFN(0x18 + node_id, 3)); - if (!f3_dev) { - die("Cannot find cpu function 3\n"); - } - - /* See if we scrubbing should be enabled */ - enable_scrubbing = 1; - get_option(&enable_scrubbing, "hw_scrubber"); - - /* Enable cache scrubbing at the lowest possible rate */ - if (enable_scrubbing) { - pci_write_config32(f3_dev, SCRUB_CONTROL, - (SCRUB_84ms << 16) | (SCRUB_84ms << 8) | (SCRUB_NONE << 0)); - } else { - pci_write_config32(f3_dev, SCRUB_CONTROL, - (SCRUB_NONE << 16) | (SCRUB_NONE << 8) | (SCRUB_NONE << 0)); - printk_debug("Scrubbing Disabled\n"); - } - - - /* If ecc support is not enabled don't touch memory */ - dcl = pci_read_config32(f2_dev, DRAM_CONFIG_LOW); - if (!(dcl & DCL_DimmEccEn)) { - return; - } - - startk = (pci_read_config32(f1_dev, 0x40 + (node_id*8)) & 0xffff0000) >> 2; - endk = ((pci_read_config32(f1_dev, 0x44 + (node_id*8)) & 0xffff0000) >> 2) + 0x4000; - - /* Don't start too early */ - begink = startk; - if (begink < CONFIG_LB_MEM_TOPK) { - begink = CONFIG_LB_MEM_TOPK; - } - printk_debug("Clearing memory %uK - %uK: ", startk, endk); - - /* Save the normal state */ - save_mtrr_state(&mtrr_state); - - /* Switch to the init ecc state */ - set_init_ecc_mtrrs(); - disable_lapic(); - - /* Walk through 2M chunks and zero them */ - for(basek = begink; basek < endk; basek = ((basek + ZERO_CHUNK_KB) & ~(ZERO_CHUNK_KB - 1))) { - unsigned long limitk; - unsigned long size; - void *addr; - - /* Report every 64M */ - if ((basek % (64*1024)) == 0) { - /* Restore the normal state */ - map_2M_page(cpu_index, 0); - restore_mtrr_state(&mtrr_state); - enable_lapic(); - - /* Print a status message */ - printk_debug("%c", (basek >= TOLM_KB)?'+':'-'); - - /* Return to the initialization state */ - set_init_ecc_mtrrs(); - disable_lapic(); - } - limitk = (basek + ZERO_CHUNK_KB) & ~(ZERO_CHUNK_KB - 1); - if (limitk > endk) { - limitk = endk; - } - size = (limitk - basek) << 10; - addr = map_2M_page(cpu_index, basek >> 11); - addr = (void *)(((uint32_t)addr) | ((basek & 0x7ff) << 10)); - if (addr == MAPPING_ERROR) { - continue; - } - - /* clear memory 2M (limitk - basek) */ - __asm__ volatile( - "1: \n\t" - "movl %0, (%1)\n\t" - "addl $4,%1\n\t" - "subl $4,%2\n\t" - "jnz 1b\n\t" - : - : "a" (0), "D" (addr), "c" (size) - ); - } - /* Restore the normal state */ - map_2M_page(cpu_index, 0); - restore_mtrr_state(&mtrr_state); - enable_lapic(); - - /* Set the scrub base address registers */ - pci_write_config32(f3_dev, SCRUB_ADDR_LOW, startk << 10); - pci_write_config32(f3_dev, SCRUB_ADDR_HIGH, startk >> 22); - - /* Enable the scrubber? */ - if (enable_scrubbing) { - /* Enable scrubbing at the lowest possible rate */ - pci_write_config32(f3_dev, SCRUB_CONTROL, - (SCRUB_84ms << 16) | (SCRUB_84ms << 8) | (SCRUB_84ms << 0)); - } - - printk_debug(" done\n"); -} - -static void k8_errata(void) -{ - msr_t msr; - - if (is_cpu_pre_c0()) { - /* Erratum 63... */ - msr = rdmsr(HWCR_MSR); - msr.lo |= (1 << 6); - wrmsr(HWCR_MSR, msr); - - /* Erratum 69... */ - msr = rdmsr_amd(BU_CFG_MSR); - msr.hi |= (1 << (45 - 32)); - wrmsr_amd(BU_CFG_MSR, msr); - - /* Erratum 81... */ - msr = rdmsr_amd(DC_CFG_MSR); - msr.lo |= (1 << 10); - wrmsr_amd(DC_CFG_MSR, msr); - } - - /* I can't touch this msr on early buggy cpus */ - if (!is_cpu_pre_b3()) { - /* Erratum 89 ... */ - msr = rdmsr(NB_CFG_MSR); - msr.lo |= 1 << 3; - if (!is_cpu_pre_c0()) { - /* Erratum 86 Disable data masking on C0 and - * later processor revs. - * FIXME this is only needed if ECC is enabled. - */ - msr.hi |= 1 << (36 - 32); - } - wrmsr(NB_CFG_MSR, msr); - } - - /* Erratum 97 ... */ - if (!is_cpu_pre_c0()) { - msr = rdmsr_amd(DC_CFG_MSR); - msr.lo |= 1 << 3; - wrmsr_amd(DC_CFG_MSR, msr); - } - - /* Erratum 94 ... */ - msr = rdmsr_amd(IC_CFG_MSR); - msr.lo |= 1 << 11; - wrmsr_amd(IC_CFG_MSR, msr); - - /* Erratum 91 prefetch miss is handled in the kernel */ -} - -static void setup_toms(struct mem_range *mem) -{ - unsigned long i; - msr_t msr; - unsigned long mmio_basek, tomk; - - printk_spew("%s\n", __FUNCTION__); - - /* Except for the PCI MMIO hold just before 4GB there are no - * significant holes in the address space, so just account - * for those two and move on. - */ - mmio_basek = tomk = 0; - for(i = 0; mem[i].sizek; i++) { - unsigned long topk; - topk = mem[i].basek + mem[i].sizek; - if (tomk < topk) { - tomk = topk; - } - if ((topk < 4*1024*1024) && (mmio_basek < topk)) { - mmio_basek = topk; - } - } - if (mmio_basek > tomk) { - mmio_basek = tomk; - } - /* Round mmio_basek down to the nearst size that will fit in TOP_MEM */ - mmio_basek = mmio_basek & ~TOP_MEM_MASK_KB; - /* Round tomk up to the next greater size that will fit in TOP_MEM */ - tomk = (tomk + TOP_MEM_MASK_KB) & ~TOP_MEM_MASK_KB; - - /* Setup TOP_MEM */ - msr.hi = mmio_basek >> 22; - msr.lo = mmio_basek << 10; - wrmsr(TOP_MEM, msr); - - /* Setup TOP_MEM2 */ - msr.hi = tomk >> 22; - msr.lo = tomk << 10; - wrmsr(TOP_MEM2, msr); -} - -static void setup_iorrs(void) -{ - unsigned long i; - msr_t msr; - device_t f3_dev; - uint32_t base, size; - - /* zero the IORR's before we enable to prevent - * undefined side effects. */ - msr.lo = msr.hi = 0; - for (i = IORR_FIRST; i <= IORR_LAST; i++) { - wrmsr(i, msr); - } - - /* enable IORR1 for AGP Aperture */ - f3_dev = dev_find_slot(0, PCI_DEVFN(0x18, 3)); - if (!f3_dev) { - die("Cannot find cpu function 3\n"); - } - - size = (pci_read_config32(f3_dev, 0x90) & 0x0E) >> 1; - size = (32*1024*1024) << size; - base = pci_read_config32(f3_dev, 0x94) << 25; - printk_debug("%s: setting IORR1 for AGP aperture base 0x%x, size 0x%x\n", - __FUNCTION__, base, size); - - msr.lo = base; - msr.hi = 0xff; - wrmsr(IORR1_BASE, msr); - - msr.lo = ~(size - 1); - msr.hi = 0xff; - wrmsr(IORR1_MASK, msr); -} - -void k8_cpufixup(struct mem_range *mem) -{ - unsigned long i; - msr_t msr; - - disable_cache(); - - setup_toms(mem); - - setup_iorrs(); - - /* Enable TOMs and IORRs */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrVarDramEn | SYSCFG_MSR_TOM2En; - wrmsr(SYSCFG_MSR, msr); - - /* zero the machine check error status registers */ - msr.lo = 0; - msr.hi = 0; - for (i = 0; i < 5; i++) { - wrmsr(MCI_STATUS + (i*4),msr); - } - - k8_errata(); - - enable_cache(); - - /* Is this a bad location? In particular can another node prefecth - * data from this node before we have initialized it? - */ - init_ecc_memory(); -} - -static -void k8_enable(struct chip *chip, enum chip_pass pass) -{ - - struct cpu_k8_config *conf = (struct cpu_k8_config *)chip->chip_info; - - switch (pass) { - case CONF_PASS_PRE_CONSOLE: - break; - case CONF_PASS_PRE_PCI: - init_timer(); - break; - default: - /* nothing yet */ - break; - } -} - -struct chip_control cpu_k8_control = { - .enable = k8_enable, - .name = "AMD K8 CPU", -}; diff --git a/src/cpu/k8/disable_mmx_sse.inc b/src/cpu/k8/disable_mmx_sse.inc deleted file mode 100644 index 5ce9dfdc1f..0000000000 --- a/src/cpu/k8/disable_mmx_sse.inc +++ /dev/null @@ -1,27 +0,0 @@ - /* Clear out an mmx state */ - emms - - /* - * Put the processor back into a reset state - * with respect to the xmm registers. - */ - - pxor %xmm0, %xmm0 - pxor %xmm1, %xmm1 - pxor %xmm2, %xmm2 - pxor %xmm3, %xmm3 - pxor %xmm4, %xmm4 - pxor %xmm5, %xmm5 - pxor %xmm6, %xmm6 - pxor %xmm7, %xmm7 - - /* Disable floating point emulation */ - movl %cr0, %eax - andl $~(1<<2), %eax - movl %eax, %cr0 - - /* Disable sse instructions */ - movl %cr4, %eax - andl $~(3<<9), %eax - movl %eax, %cr4 - diff --git a/src/cpu/k8/earlymtrr.c b/src/cpu/k8/earlymtrr.c deleted file mode 100644 index 16cd809f97..0000000000 --- a/src/cpu/k8/earlymtrr.c +++ /dev/null @@ -1,98 +0,0 @@ -#include <cpu/k8/mtrr.h> - -/* the fixed and variable MTTRs are power-up with random values, - * clear them to MTRR_TYPE_UNCACHEABLE for safty. - */ - -static void early_mtrr_init(void) -{ - static const unsigned long mtrr_msrs[] = { - /* fixed mtrr */ - 0x250, 0x258, 0x259, - 0x268, 0x269, 0x26A - 0x26B, 0x26C, 0x26D - 0x26E, 0x26F, - /* var mtrr */ - 0x200, 0x201, 0x202, 0x203, - 0x204, 0x205, 0x206, 0x207, - 0x208, 0x209, 0x20A, 0x20B, - 0x20C, 0x20D, 0x20E, 0x20F, - /* var iorr msr */ - 0xC0010016, 0xC0010017, 0xC0010018, 0xC0010019, - /* mem top */ - 0xC001001A, 0xC001001D, - /* NULL end of table */ - 0 - }; - msr_t msr; - const unsigned long *msr_addr; - - /* Enable the access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - - /* Inialize all of the relevant msrs to 0 */ - msr.lo = 0; - msr.hi = 0; - - for (msr_addr = mtrr_msrs; *msr_addr; msr_addr++) { - wrmsr(*msr_addr, msr); - } - - /* Disable the access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - - /* Enable memory access for 0 - 1MB using top_mem */ - msr.hi = 0; - msr.lo = ((CONFIG_LB_MEM_TOPK << 10) + TOP_MEM_MASK) & ~TOP_MEM_MASK; - wrmsr(TOP_MEM, msr); - - /* Enable caching for 0 - 1MB using variable mtrr */ - msr = rdmsr(0x200); - msr.hi &= 0xfffffff0; - msr.hi |= 0x00000000; - msr.lo &= 0x00000f00; - msr.lo |= 0x00000000 | MTRR_TYPE_WRBACK; - wrmsr(0x200, msr); - - msr = rdmsr(0x201); - msr.hi &= 0xfffffff0; - msr.hi |= 0x0000000f; - msr.lo &= 0x000007ff; - msr.lo |= (~((CONFIG_LB_MEM_TOPK << 10) - 1)) | 0x800; - wrmsr(0x201, msr); - -#if defined(XIP_ROM_SIZE) && defined(XIP_ROM_BASE) - /* enable write through caching so we can do execute in place - * on the flash rom. - */ - msr.hi = 0x00000000; - msr.lo = XIP_ROM_BASE | MTRR_TYPE_WRTHROUGH; - wrmsr(0x202, msr); -#error "FIXME verify the type of MTRR I have setup" - msr.hi = 0x0000000f; - msr.lo = ~(XIP_ROM_SIZE - 1) | 0x800; - wrmsr(0x203, msr); -#endif - - /* Set the default memory type and enable fixed and variable MTRRs - */ - /* Enable Variable MTRRs */ - msr.hi = 0x00000000; - msr.lo = 0x00000800; - wrmsr(MTRRdefType_MSR, msr); - - /* Enale the MTRRs in SYSCFG */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrVarDramEn; - wrmsr(SYSCFG_MSR, msr); - - /* Enable the cache */ - unsigned long cr0; - cr0 = read_cr0(); - cr0 &= 0x9fffffff; - write_cr0(cr0); -} diff --git a/src/cpu/k8/earlymtrr.inc b/src/cpu/k8/earlymtrr.inc deleted file mode 100644 index 81376bfb01..0000000000 --- a/src/cpu/k8/earlymtrr.inc +++ /dev/null @@ -1,121 +0,0 @@ -#include <cpu/k8/mtrr.h> - - - /* Save off the BIST value */ - movl %eax, %ebp - -/* The fixed and variable MTRRs are powered-up with random values, clear them to - * MTRR_TYPE_UNCACHEABLE for safty reason - */ - -earlymtrr_start: - xorl %eax, %eax # clear %eax and %edx - xorl %edx, %edx # - movl $fixed_mtrr_msr, %esi - -enable_fixed_mtrr_dram_modify: - /* Enable the access to AMD RdDram and WrDram extension bits */ - movl $SYSCFG_MSR, %ecx - rdmsr - orl $SYSCFG_MSR_MtrrFixDramModEn, %eax - wrmsr - -clear_fixed_var_mtrr: - lodsl (%esi), %eax - testl %eax, %eax - jz clear_fixed_var_mtrr_out - - movl %eax, %ecx - xorl %eax, %eax - wrmsr - - jmp clear_fixed_var_mtrr -clear_fixed_var_mtrr_out: - -disable_fixed_mtrr_dram_modify: - /* Disable the access to AMD RdDram and WrDram extension bits */ - movl $SYSCFG_MSR, %ecx - rdmsr - andl $(~SYSCFG_MSR_MtrrFixDramModEn), %eax - wrmsr - - /* enable memory access for 0 - 1MB using top_mem */ - movl $TOP_MEM, %ecx - xorl %edx, %edx - movl $(((CONFIG_LB_MEM_TOPK << 10) + TOP_MEM_MASK) & ~TOP_MEM_MASK) , %eax - wrmsr - -set_var_mtrr: - /* enable caching for 0 - 1MB using variable mtrr */ - movl $0x200, %ecx - rdmsr - andl $0xfffffff0, %edx - orl $0x00000000, %edx - andl $0x00000f00, %eax - orl $(0x00000000 | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $0x201, %ecx - rdmsr - andl $0xfffffff0, %edx - orl $0x0000000f, %edx - andl $0x000007ff, %eax - orl $((~((CONFIG_LB_MEM_TOPK << 10) - 1)) | 0x800), %eax - wrmsr - -#if defined(XIP_ROM_SIZE) && defined(XIP_ROM_BASE) - /* enable write base caching so we can do execute in place - * on the flash rom. - */ - movl $0x202, %ecx - xorl %edx, %edx - movl $(XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $0x203, %ecx - movl $0x0000000f, %edx - movl $(~(XIP_ROM_SIZE - 1) | 0x800), %eax - wrmsr -#endif /* XIP_ROM_SIZE && XIP_ROM_BASE */ - -enable_mtrr: - /* Set the default memory type and enable fixed and variable MTRRs */ - movl $MTRRdefType_MSR, %ecx - xorl %edx, %edx - /* Enable Variable MTRRs */ - movl $0x00000800, %eax - wrmsr - - /* Enable the MTRRs and IORRs in SYSCFG */ - movl $SYSCFG_MSR, %ecx - rdmsr - /* Don't enable SYSCFG_MSR_MtrrFixDramEn untill we have done with VGA BIOS */ - orl $(SYSCFG_MSR_MtrrVarDramEn), %eax - wrmsr - - /* enable cache */ - movl %cr0, %eax - andl $0x9fffffff,%eax - movl %eax, %cr0 - - jmp earlymtrr_end - -fixed_mtrr_msr: - .long 0x250, 0x258, 0x259 - .long 0x268, 0x269, 0x26A - .long 0x26B, 0x26C, 0x26D - .long 0x26E, 0x26F -var_mtrr_msr: - .long 0x200, 0x201, 0x202, 0x203 - .long 0x204, 0x205, 0x206, 0x207 - .long 0x208, 0x209, 0x20A, 0x20B - .long 0x20C, 0x20D, 0x20E, 0x20F -var_iorr_msr: - .long 0xC0010016, 0xC0010017, 0xC0010018, 0xC0010019 -mem_top: - .long 0xC001001A, 0xC001001D - .long 0x000 /* NULL, end of table */ - -earlymtrr_end: - /* Restore the BIST value */ - movl %ebp, %eax diff --git a/src/cpu/k8/enable_mmx_sse.inc b/src/cpu/k8/enable_mmx_sse.inc deleted file mode 100644 index 907e817325..0000000000 --- a/src/cpu/k8/enable_mmx_sse.inc +++ /dev/null @@ -1,20 +0,0 @@ - /* Save the BIST result */ - movl %eax, %ebp - - /* - * Enabling mmx registers is a noop - * Enable the use of the xmm registers - */ - - /* Disable floating point emulation */ - movl %cr0, %eax - andl $~(1<<2), %eax - movl %eax, %cr0 - - /* Enable sse instructions */ - movl %cr4, %eax - orl $(1<<9), %eax - movl %eax, %cr4 - - /* Restore the BIST result */ - movl %ebp, %eax |