diff options
Diffstat (limited to 'src/cpu/amd/family_10h-family_15h/init_cpus.c')
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/init_cpus.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c index 2ddbc43ee6..b8e11e4ccc 100644 --- a/src/cpu/amd/family_10h-family_15h/init_cpus.c +++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c @@ -147,6 +147,9 @@ static void for_each_ap(uint32_t bsp_apicid, uint32_t core_range, int8_t node, // here assume the OS don't change our apicid u32 ap_apicid; + u8 nvram; + bool multicore; + u32 nodes; u32 disable_siblings; u32 cores_found; @@ -155,12 +158,13 @@ static void for_each_ap(uint32_t bsp_apicid, uint32_t core_range, int8_t node, /* get_nodes define in ht_wrapper.c */ nodes = get_nodes(); - if (!IS_ENABLED(CONFIG_LOGICAL_CPUS) || - read_option(multi_core, 0) != 0) { // 0 means multi core + multicore = true; + if (get_option(&nvram, "multi_core") == CB_SUCCESS) + multicore = !!nvram; + + disable_siblings = 0; + if (!IS_ENABLED(CONFIG_LOGICAL_CPUS) || !multicore) disable_siblings = 1; - } else { - disable_siblings = 0; - } for (i = 0; i < nodes; i++) { if ((node >= 0) && (i != node)) @@ -635,11 +639,17 @@ static void setup_remote_node(u8 node) //it is running on core0 of node0 void start_other_cores(uint32_t bsp_apicid) { + u8 nvram; u32 nodes; u32 nodeid; + bool multicore; // disable multi_core - if (read_option(multi_core, 0) != 0) { + multicore = true; + if (get_option(&nvram, "multi_core") == CB_SUCCESS) + multicore = !!nvram; + + if (!multicore) { printk(BIOS_DEBUG, "Skip additional core init\n"); return; } |