diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/netlogic/xlp/wakeup.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c index 682d5638dc01..e6f77c053658 100644 --- a/arch/mips/netlogic/xlp/wakeup.c +++ b/arch/mips/netlogic/xlp/wakeup.c @@ -99,7 +99,7 @@ static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask) { struct nlm_soc_info *nodep; uint64_t syspcibase; - uint32_t syscoremask; + uint32_t syscoremask, mask, fusemask; int core, n, cpu; for (n = 0; n < NLM_NR_NODES; n++) { @@ -111,12 +111,31 @@ static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask) if (n != 0) nlm_node_init(n); nodep = nlm_get_node(n); - syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET); + + fusemask = nlm_read_sys_reg(nodep->sysbase, + SYS_EFUSE_DEVICE_CFG_STATUS0); + switch (read_c0_prid() & 0xff00) { + case PRID_IMP_NETLOGIC_XLP3XX: + mask = 0xf; + break; + case PRID_IMP_NETLOGIC_XLP2XX: + mask = 0x3; + break; + case PRID_IMP_NETLOGIC_XLP8XX: + default: + mask = 0xff; + break; + } + + /* + * Fused out cores are set in the fusemask, and the remaining + * cores are renumbered to range 0 .. nactive-1 + */ + syscoremask = (1 << hweight32(~fusemask & mask)) - 1; + /* The boot cpu */ - if (n == 0) { - syscoremask |= 1; + if (n == 0) nodep->coremask = 1; - } for (core = 0; core < NLM_CORES_PER_NODE; core++) { /* we will be on node 0 core 0 */ |