static void model_10_init(device_t dev)
{
printk(BIOS_DEBUG, "Model 10 Init - a no-op.\n");
u8 i;
msr_t msr;
#if CONFIG_LOGICAL_CPUS
u32 siblings;
#endif
/* Turn on caching if we haven't already */
x86_enable_cache();
amd_setup_mtrrs();
x86_mtrr_check();
disable_cache();
/* zero the machine check error status registers */
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < 6; i++) {
wrmsr(MCI_STATUS + (i * 4), msr);
}
enable_cache();
/* Enable the local cpu apics */
setup_lapic();
/* Set the processor name string */
// init_processor_name();
#if CONFIG_LOGICAL_CPUS
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static void model_15_init(device_t dev)
{
printk(BIOS_DEBUG, "Model 15 Init.\n");
u8 i;
msr_t msr;
int msrno;
unsigned int cpu_idx;
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
u32 siblings;
#endif
//x86_enable_cache();
//amd_setup_mtrrs();
//x86_mtrr_check();
disable_cache ();
/* Enable access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo |= SYSCFG_MSR_MtrrFixDramModEn;
msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
// BSP: make a0000-bffff UC, c0000-fffff WB, same as OntarioApMtrrSettingsList for APs
msr.lo = msr.hi = 0;
wrmsr (0x259, msr);
msr.lo = msr.hi = 0x1e1e1e1e;
wrmsr(0x250, msr);
wrmsr(0x258, msr);
for (msrno = 0x268; msrno <= 0x26f; msrno++)
wrmsr (msrno, msr);
msr = rdmsr(SYSCFG_MSR);
msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn;
msr.lo |= SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
if (acpi_is_wakeup())
restore_mtrr();
x86_mtrr_check();
x86_enable_cache();
/* zero the machine check error status registers */
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < 6; i++) {
wrmsr(MCI_STATUS + (i * 4), msr);
}
/* Enable the local cpu apics */
setup_lapic();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) {
cpu_idx = cpu_info()->index;
printk(BIOS_INFO, "Initializing SMM for CPU %u\n", cpu_idx);
/* Set SMM base address for this CPU */
msr = rdmsr(MSR_SMM_BASE);
msr.lo = SMM_BASE - (cpu_idx * 0x400);
wrmsr(MSR_SMM_BASE, msr);
/* Enable the SMM memory window */
msr = rdmsr(MSR_SMM_MASK);
msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */
wrmsr(MSR_SMM_MASK, msr);
}
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static void model_15_init(device_t dev)
{
printk(BIOS_DEBUG, "Model 15 Init.\n");
u8 i;
msr_t msr;
int msrno;
#if CONFIG_LOGICAL_CPUS
u32 siblings;
#endif
disable_cache();
/* Enable access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo |= SYSCFG_MSR_MtrrFixDramModEn;
msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
// BSP: make a0000-bffff UC, c0000-fffff WB
msr.lo = msr.hi = 0;
wrmsr(0x259, msr);
msr.lo = msr.hi = 0x1e1e1e1e;
wrmsr(0x250, msr);
wrmsr(0x258, msr);
for (msrno = 0x268; msrno <= 0x26f; msrno++)
wrmsr(msrno, msr);
msr = rdmsr(SYSCFG_MSR);
msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn;
msr.lo |= SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
if (acpi_is_wakeup())
restore_mtrr();
x86_mtrr_check();
x86_enable_cache();
/* zero the machine check error status registers */
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < 6; i++)
wrmsr(MCI_STATUS + (i * 4), msr);
/* Enable the local CPU APICs */
setup_lapic();
#if CONFIG_LOGICAL_CPUS
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
PSPProgBar3Msr(NULL);
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static void model_12_init(device_t dev)
{
printk(BIOS_DEBUG, "Model 12 Init.\n");
u8 i;
msr_t msr;
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
u32 siblings;
#endif
// struct node_core_id id;
// id = get_node_core_id(read_nb_cfg_54()); /* nb_cfg_54 can not be set */
// printk(BIOS_DEBUG, "nodeid = %02d, coreid = %02d\n", id.nodeid, id.coreid);
/* Turn on caching if we haven't already */
x86_enable_cache();
amd_setup_mtrrs();
x86_mtrr_check();
disable_cache();
/* 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);
}
enable_cache();
/* Enable the local CPU apics */
setup_lapic();
/* Set the processor name string */
// init_processor_name();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static void model_16_init(struct device *dev)
{
printk(BIOS_DEBUG, "Model 16 Init.\n");
u8 i;
msr_t msr;
int num_banks;
int msrno;
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
u32 siblings;
#endif
//x86_enable_cache();
//amd_setup_mtrrs();
//x86_mtrr_check();
disable_cache();
/* Enable access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo |= SYSCFG_MSR_MtrrFixDramModEn;
msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
// BSP: make a0000-bffff UC, c0000-fffff WB, same as OntarioApMtrrSettingsList for APs
msr.lo = msr.hi = 0;
wrmsr(MTRR_FIX_16K_A0000, msr);
msr.lo = msr.hi = 0x1e1e1e1e;
wrmsr(MTRR_FIX_64K_00000, msr);
wrmsr(MTRR_FIX_16K_80000, msr);
for (msrno = MTRR_FIX_4K_C0000; msrno <= MTRR_FIX_4K_F8000; msrno++)
wrmsr(msrno, msr);
msr = rdmsr(SYSCFG_MSR);
msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn;
msr.lo |= SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
if (acpi_is_wakeup())
restore_mtrr();
x86_mtrr_check();
x86_enable_cache();
/* zero the machine check error status registers */
msr = rdmsr(IA32_MCG_CAP);
num_banks = msr.lo & MCA_BANKS_MASK;
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < num_banks; i++)
wrmsr(IA32_MC0_STATUS + (i * 4), msr);
/* Enable the local CPU APICs */
setup_lapic();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static void model_14_init(device_t dev)
{
u32 i;
msr_t msr;
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
u32 siblings;
#endif
printk(BIOS_DEBUG, "Model 14 Init.\n");
disable_cache ();
/*
* AGESA sets the MTRRs main MTRRs. The shadow area needs to be set
* by coreboot. The amd_setup_mtrrs should work, but needs debug on fam14.
* TODO:
* amd_setup_mtrrs();
*/
/* Enable access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo |= SYSCFG_MSR_MtrrFixDramModEn;
msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
/* Set shadow WB, RdMEM, WrMEM */
msr.lo = msr.hi = 0;
wrmsr (0x259, msr);
msr.hi = msr.lo = 0x1e1e1e1e;
wrmsr(0x250, msr);
wrmsr(0x258, msr);
for (i = 0x268; i <= 0x26f; i++)
wrmsr(i, msr);
msr = rdmsr(SYSCFG_MSR);
msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn;
msr.lo |= SYSCFG_MSR_MtrrFixDramEn;
wrmsr(SYSCFG_MSR, msr);
if (acpi_is_wakeup())
restore_mtrr();
x86_mtrr_check();
x86_enable_cache();
/* zero the machine check error status registers */
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < 6; i++) {
wrmsr(MCI_STATUS + (i * 4), msr);
}
/* Enable the local cpu apics */
setup_lapic();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
printk(BIOS_SPEW, "%s done.\n", __func__);
}
static void model_10xxx_init(device_t dev)
{
u8 i;
msr_t msr;
struct node_core_id id;
#if CONFIG_LOGICAL_CPUS
u32 siblings;
#endif
id = get_node_core_id(read_nb_cfg_54()); /* nb_cfg_54 can not be set */
printk(BIOS_DEBUG, "nodeid = %02d, coreid = %02d\n", id.nodeid, id.coreid);
/* Turn on caching if we haven't already */
x86_enable_cache();
amd_setup_mtrrs();
x86_mtrr_check();
disable_cache();
/* 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);
}
enable_cache();
/* Enable the local cpu apics */
setup_lapic();
/* Set the processor name string */
init_processor_name();
#if CONFIG_LOGICAL_CPUS
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
msr = rdmsr(BU_CFG2_MSR);
/* Clear ClLinesToNbDis */
msr.lo &= ~(1 << 15);
/* Clear bit 35 as per Erratum 343 */
msr.hi &= ~(1 << (35-32));
wrmsr(BU_CFG2_MSR, msr);
if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) {
printk(BIOS_DEBUG, "Initializing SMM ASeg memory\n");
/* Set SMM base address for this CPU */
msr = rdmsr(SMM_BASE_MSR);
msr.lo = SMM_BASE - (lapicid() * 0x400);
wrmsr(SMM_BASE_MSR, msr);
/* Enable the SMM memory window */
msr = rdmsr(SMM_MASK_MSR);
msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */
wrmsr(SMM_MASK_MSR, msr);
} else {
printk(BIOS_DEBUG, "Disabling SMM ASeg memory\n");
/* Set SMM base address for this CPU */
msr = rdmsr(SMM_BASE_MSR);
msr.lo = SMM_BASE - (lapicid() * 0x400);
wrmsr(SMM_BASE_MSR, msr);
/* Disable the SMM memory window */
msr.hi = 0x0;
msr.lo = 0x0;
wrmsr(SMM_MASK_MSR, msr);
}
/* Set SMMLOCK to avoid exploits messing with SMM */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
