diff options
| author | Magnus Damm <damm@opensource.se> | 2013-07-02 09:28:14 (GMT) |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-07-17 01:06:46 (GMT) |
| commit | 683101a66203149da96e93fb8c0740c726bc114f (patch) | |
| tree | 6d77797561f4d6ba6dd645f5707a0c63e09aed24 | |
| parent | 23260e1b417843ea875bd7b21f17c5c80031c4cd (diff) | |
| download | linux-683101a66203149da96e93fb8c0740c726bc114f.tar.xz | |
ARM: shmobile: Use DT for SMP on EMEV2 and KZM9D
Rework the EMEV2 SMP code to rely on DT for CPU information
instead of reading out number of CPU cores from the SCU.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| -rw-r--r-- | arch/arm/mach-shmobile/smp-emev2.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 80991b3..9787165 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -38,9 +38,12 @@ static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct * static void __init emev2_smp_prepare_cpus(unsigned int max_cpus) { + /* setup EMEV2 specific SCU base, enable */ + shmobile_scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE); scu_enable(shmobile_scu_base); /* Tell ROM loader about our vector (in headsmp-scu.S, headsmp.S) */ + emev2_clock_init(); /* need ioremapped SMU */ emev2_set_boot_vector(__pa(shmobile_boot_vector)); shmobile_boot_fn = virt_to_phys(shmobile_boot_scu); shmobile_boot_arg = (unsigned long)shmobile_scu_base; @@ -49,21 +52,7 @@ static void __init emev2_smp_prepare_cpus(unsigned int max_cpus) scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); } -static void __init emev2_smp_init_cpus(void) -{ - unsigned int ncores; - - /* setup EMEV2 specific SCU base */ - shmobile_scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE); - emev2_clock_init(); /* need ioremapped SMU */ - - ncores = shmobile_scu_base ? scu_get_core_count(shmobile_scu_base) : 1; - - shmobile_smp_init_cpus(ncores); -} - struct smp_operations emev2_smp_ops __initdata = { - .smp_init_cpus = emev2_smp_init_cpus, .smp_prepare_cpus = emev2_smp_prepare_cpus, .smp_boot_secondary = emev2_boot_secondary, }; |