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| author | Ralf Baechle <ralf@linux-mips.org> | 2012-12-13 18:40:13 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-12-13 18:40:13 (GMT) |
| commit | 241738bd51cb0efe58e6c570223153e970afe3ae (patch) | |
| tree | 05263e1ec3fbd58cc4ba5ee69163612fbb769a4a /arch/mips/netlogic/xlr/wakeup.c | |
| parent | bdf20507da11a9a5b32ef04fa09f352828189aef (diff) | |
| parent | ce8f0d0607bcad3ec0e8599be80353204427093e (diff) | |
| download | linux-fsl-qoriq-241738bd51cb0efe58e6c570223153e970afe3ae.tar.xz | |
Merge branch 'mips-next' of http://dev.phrozen.org/githttp/mips-next into mips-for-linux-next
Diffstat (limited to 'arch/mips/netlogic/xlr/wakeup.c')
| -rw-r--r-- | arch/mips/netlogic/xlr/wakeup.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/mips/netlogic/xlr/wakeup.c b/arch/mips/netlogic/xlr/wakeup.c index db5d987..3ebf741 100644 --- a/arch/mips/netlogic/xlr/wakeup.c +++ b/arch/mips/netlogic/xlr/wakeup.c @@ -33,6 +33,7 @@ */ #include <linux/init.h> +#include <linux/delay.h> #include <linux/threads.h> #include <asm/asm.h> @@ -50,18 +51,34 @@ int __cpuinit xlr_wakeup_secondary_cpus(void) { - unsigned int i, boot_cpu; + struct nlm_soc_info *nodep; + unsigned int i, j, boot_cpu; /* * In case of RMI boot, hit with NMI to get the cores * from bootloader to linux code. */ + nodep = nlm_get_node(0); boot_cpu = hard_smp_processor_id(); nlm_set_nmi_handler(nlm_rmiboot_preboot); for (i = 0; i < NR_CPUS; i++) { - if (i == boot_cpu || (nlm_cpumask & (1u << i)) == 0) + if (i == boot_cpu || !cpumask_test_cpu(i, &nlm_cpumask)) continue; - nlm_pic_send_ipi(nlm_pic_base, i, 1, 1); /* send NMI */ + nlm_pic_send_ipi(nodep->picbase, i, 1, 1); /* send NMI */ + } + + /* Fill up the coremask early */ + nodep->coremask = 1; + for (i = 1; i < NLM_CORES_PER_NODE; i++) { + for (j = 1000000; j > 0; j--) { + if (nlm_cpu_ready[i * NLM_THREADS_PER_CORE]) + break; + udelay(10); + } + if (j != 0) + nodep->coremask |= (1u << i); + else + pr_err("Failed to wakeup core %d\n", i); } return 0; |