diff options
| author | Magnus Damm <damm@opensource.se> | 2013-04-08 05:23:28 +0400 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-09 16:37:36 +0400 |
| commit | ab5fdfd5ea621b629da9bfda987af301da973525 (patch) | |
| tree | d4ae345f3f05e63b08809921c5cca2566291a2d7 /arch/arm/mach-shmobile/setup-r8a7790.c | |
| parent | c9dff05030b97d6c8f2b53a43f0d8f6d15481b92 (diff) | |
| download | linux-ab5fdfd5ea621b629da9bfda987af301da973525.tar.xz | |
ARM: shmobile: force enable of r8a7790 arch timer
Implement a SoC-specific timer init function for
r8a7790 that makes sure the architected timer
is started regardless of boot loader setting.
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7790.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7790.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index cfccf6c1001b..49de2d56f86d 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -118,6 +118,18 @@ void __init r8a7790_add_standard_devices(void) r8a7790_register_irqc(0); } +void __init r8a7790_timer_init(void) +{ + void __iomem *cntcr; + + /* make sure arch timer is started by setting bit 0 of CNTCT */ + cntcr = ioremap(0xe6080000, PAGE_SIZE); + iowrite32(1, cntcr); + iounmap(cntcr); + + shmobile_timer_init(); +} + #ifdef CONFIG_USE_OF void __init r8a7790_add_standard_devices_dt(void) { @@ -132,7 +144,7 @@ static const char *r8a7790_boards_compat_dt[] __initdata = { DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") .init_irq = irqchip_init, .init_machine = r8a7790_add_standard_devices_dt, - .init_time = shmobile_timer_init, + .init_time = r8a7790_timer_init, .dt_compat = r8a7790_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ |