diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/tyan/s4882/auto.c | 31 | ||||
| -rw-r--r-- | src/northbridge/amd/amdk8/coherent_ht.c | 17 | ||||
| -rw-r--r-- | src/northbridge/amd/amdk8/northbridge.c | 4 | ||||
| -rw-r--r-- | src/northbridge/amd/amdk8/reset_test.c | 8 |
4 files changed, 46 insertions, 14 deletions
diff --git a/src/mainboard/tyan/s4882/auto.c b/src/mainboard/tyan/s4882/auto.c index 96539b3166..95618a3856 100644 --- a/src/mainboard/tyan/s4882/auto.c +++ b/src/mainboard/tyan/s4882/auto.c @@ -150,6 +150,13 @@ static inline int spd_read_byte(unsigned device, unsigned address) //#include "northbridge/amd/amdk8/setup_resource_map.c" #include "northbridge/amd/amdk8/raminit.c" +#if 1 + #define ENABLE_APIC_EXT_ID 1 + #define APIC_ID_OFFSET 0x10 +#else + #define ENABLE_APIC_EXT_ID 0 +#endif + #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" @@ -228,23 +235,22 @@ static void main(unsigned long bist) }; int i; int needs_reset; + unsigned nodeid; if (bist == 0) { /* Skip this if there was a built in self test failure */ amd_early_mtrr_init(); enable_lapic(); init_timer(); - - if (cpu_init_detected()) { -#if 1 + nodeid = lapicid() & 0xf; + #if ENABLE_APIC_EXT_ID == 1 + enable_apic_ext_id(nodeid); + lapic_write(LAPIC_ID, ( lapic_read(LAPIC_ID) | (APIC_ID_OFFSET<<24) ) ); // CPU apicid is from 0x10 + #endif + if (cpu_init_detected(nodeid)) { asm volatile ("jmp __cpu_reset"); -#else - /* cpu reset also reset the memtroller ???? - need soft_reset to reset all except keep HT link freq and width */ - distinguish_cpu_resets(); - soft2_reset(); -#endif } - distinguish_cpu_resets(); + distinguish_cpu_resets(nodeid); + if (!boot_cpu()) { stop_this_cpu(); } @@ -259,7 +265,12 @@ static void main(unsigned long bist) setup_s4882_resource_map(); needs_reset = setup_coherent_ht_domain(); +#if 0 needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xa0); +#else + // automatically set that for you, but you might meet tight space + needs_reset |= ht_setup_chains_x(); +#endif if (needs_reset) { print_info("ht reset -\r\n"); soft_reset(); diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c index 8d85061f98..905d980f95 100644 --- a/src/northbridge/amd/amdk8/coherent_ht.c +++ b/src/northbridge/amd/amdk8/coherent_ht.c @@ -133,6 +133,23 @@ static void disable_probes(void) } +#ifndef ENABLE_APIC_EXT_ID +#define ENABLE_APIC_EXT_ID 0 +#endif + +static void enable_apic_ext_id(u8 node) +{ +#if ENABLE_APIC_EXT_ID==1 +#warning "FIXME Is the right place to enable apic ext id here?" + + u32 val; + + val = pci_read_config32(NODE_HT(node), 0x68); + val |= HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST ; + pci_write_config32(NODE_HT(node), 0x68, val); +#endif +} + static void enable_routing(u8 node) { u32 val; diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c index 40c18a6b95..b94a674ba8 100644 --- a/src/northbridge/amd/amdk8/northbridge.c +++ b/src/northbridge/amd/amdk8/northbridge.c @@ -715,6 +715,7 @@ static unsigned int cpu_bus_scan(device_t dev, unsigned int max) { struct bus *cpu_bus; int i; + int apic_id_offset = lapicid(); // bsp apicid /* Find which cpus are present */ cpu_bus = &dev->link[0]; @@ -749,6 +750,9 @@ static unsigned int cpu_bus_scan(device_t dev, unsigned int max) /* Report what I have done */ if (cpu) { + if(cpu->path.u.apic.apic_id<apic_id_offset) { + cpu->path.u.apic.apic_id += apic_id_offset; + } printk_debug("CPU: %s %s\n", dev_path(cpu), cpu->enabled?"enabled":"disabled"); } diff --git a/src/northbridge/amd/amdk8/reset_test.c b/src/northbridge/amd/amdk8/reset_test.c index 0663967b07..e60447c2ff 100644 --- a/src/northbridge/amd/amdk8/reset_test.c +++ b/src/northbridge/amd/amdk8/reset_test.c @@ -7,12 +7,12 @@ #define HTIC_BIOSR_Detect (1<<5) #define HTIC_INIT_Detect (1<<6) -static int cpu_init_detected(void) +static int cpu_init_detected(unsigned nodeid) { unsigned long htic; device_t dev; - dev = PCI_DEV(0, 0x18 + lapicid(), 0); + dev = PCI_DEV(0, 0x18 + nodeid, 0); htic = pci_read_config32(dev, HT_INIT_CONTROL); return !!(htic & HTIC_INIT_Detect); @@ -34,11 +34,11 @@ static int cold_reset_detected(void) return !(htic & HTIC_ColdR_Detect); } -static void distinguish_cpu_resets(void) +static void distinguish_cpu_resets(unsigned nodeid) { uint32_t htic; device_t device; - device = PCI_DEV(0, 0x18 + lapicid(), 0); + device = PCI_DEV(0, 0x18 + nodeid, 0); htic = pci_read_config32(device, HT_INIT_CONTROL); htic |= HTIC_ColdR_Detect | HTIC_BIOSR_Detect | HTIC_INIT_Detect; pci_write_config32(device, HT_INIT_CONTROL, htic); |