diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-10-29 04:15:10 -0500 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2015-10-30 16:33:46 +0100 |
| commit | 6b171b3163eb3a4e8bcfd53f0d2d8b47d619b78d (patch) | |
| tree | 9e33e54b53313f09fc1b8016650eaea87fd3788b /src/cpu/amd | |
| parent | e67d2404444c473f1fbec849f5175c13a4e3743f (diff) | |
cpu/amd/model_fxx: Backport APIC code and debug aids from Family 10h
Backport a handful of debugging routines and the extended APIC
initialization code from Family 10h support to K8 support.
Change-Id: I08cc5c8bc65635ce09a69e32940dd7edd8d3be87
TEST: Booted ASUS KFSN4-DRE with 1x Opteron 8222
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12251
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/model_fxx/init_cpus.c | 29 | ||||
| -rw-r--r-- | src/cpu/amd/model_fxx/model_fxx_init.c | 1 |
2 files changed, 25 insertions, 5 deletions
diff --git a/src/cpu/amd/model_fxx/init_cpus.c b/src/cpu/amd/model_fxx/init_cpus.c index 12d3a95962..f30ff0a03e 100644 --- a/src/cpu/amd/model_fxx/init_cpus.c +++ b/src/cpu/amd/model_fxx/init_cpus.c @@ -188,6 +188,15 @@ void allow_all_aps_stop(u32 bsp_apicid) lapic_write(LAPIC_MSG_REG, (bsp_apicid << 24) | 0x44); } +static void enable_apic_ext_id(u32 node) +{ + u32 val; + + val = pci_read_config32(NODE_HT(node), 0x68); + val |= (HTTC_APIC_EXT_SPUR | HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST); + pci_write_config32(NODE_HT(node), 0x68, val); +} + static void STOP_CAR_AND_CPU(void) { disable_cache_as_ram(); // inline @@ -205,6 +214,19 @@ static u32 init_cpus(u32 cpu_init_detectedx) u32 apicid; struct node_core_id id; +#if IS_ENABLED(CONFIG_RAMINIT_SYSINFO) + /* Please refer to the calculations and explaination in cache_as_ram.inc before modifying these values */ + uint32_t max_ap_stack_region_size = CONFIG_MAX_CPUS * CONFIG_DCACHE_AP_STACK_SIZE; + uint32_t max_bsp_stack_region_size = CONFIG_DCACHE_BSP_STACK_SIZE + CONFIG_DCACHE_BSP_STACK_SLUSH; + uint32_t bsp_stack_region_upper_boundary = CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE; + uint32_t bsp_stack_region_lower_boundary = bsp_stack_region_upper_boundary - max_bsp_stack_region_size; + void * lower_stack_region_boundary = (void*)(bsp_stack_region_lower_boundary - max_ap_stack_region_size); + if (((void*)(sysinfo + 1)) > lower_stack_region_boundary) + printk(BIOS_WARNING, + "sysinfo extends into stack region (sysinfo range: [%p,%p] lower stack region boundary: %p)\n", + sysinfo, sysinfo + 1, lower_stack_region_boundary); +#endif + /* * already set early mtrr in cache_as_ram.inc */ @@ -217,9 +239,8 @@ static u32 init_cpus(u32 cpu_init_detectedx) core0 is done at first --- use wait_all_core0_started */ if (id.coreid == 0) { set_apicid_cpuid_lo(); /* only set it on core0 */ -#if CONFIG_ENABLE_APIC_EXT_ID - enable_apic_ext_id(id.nodeid); -#endif + if (IS_ENABLED(CONFIG_ENABLE_APIC_EXT_ID)) + enable_apic_ext_id(id.nodeid); } enable_lapic(); @@ -249,7 +270,6 @@ static u32 init_cpus(u32 cpu_init_detectedx) /* get the apicid, it may be lifted already */ apicid = lapicid(); -#if 0 // show our apicid, nodeid, and coreid if (id.coreid == 0) { if (id.nodeid != 0) //all core0 except bsp @@ -257,7 +277,6 @@ static u32 init_cpus(u32 cpu_init_detectedx) } else { //all other cores print_apicid_nodeid_coreid(apicid, id, " corex: "); } -#endif if (cpu_init_detectedx) { print_apicid_nodeid_coreid(apicid, id, diff --git a/src/cpu/amd/model_fxx/model_fxx_init.c b/src/cpu/amd/model_fxx/model_fxx_init.c index 268f1b2dad..db936f8933 100644 --- a/src/cpu/amd/model_fxx/model_fxx_init.c +++ b/src/cpu/amd/model_fxx/model_fxx_init.c @@ -504,6 +504,7 @@ static void model_fxx_init(device_t dev) msr.hi |= 1 << (33 - 32); wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); } + printk(BIOS_DEBUG, "siblings = %02d, ", siblings); #endif id = get_node_core_id(read_nb_cfg_54()); // pre e0 nb_cfg_54 can not be set |