diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2013-03-13 17:07:44 -0500 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-04-11 15:11:21 -0500 |
| commit | 818270d573674188cfe731992e66455e2e183e64 (patch) | |
| tree | 0e3efbda0d8dd2c40b4dd1945878d0be4df57524 /arch | |
| parent | cc8e9ad88487004372cae87718ff593d0a2fdc3a (diff) | |
| download | linux-818270d573674188cfe731992e66455e2e183e64.tar.bz2 | |
ARM: versatile: use OF init for sp804 timer
Enable DT based init for the sp804 timers on versatile DT platform.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/versatile-ab.dts | 12 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/core.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/versatile_dt.c | 1 |
3 files changed, 25 insertions, 14 deletions
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index e2fe3195c0d1..dde75ae8b4b1 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -121,6 +121,18 @@ interrupts = <0>; }; + timer@101e2000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x101e2000 0x1000>; + interrupts = <4>; + }; + + timer@101e3000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x101e3000 0x1000>; + interrupts = <5>; + }; + gpio0: gpio@101e4000 { compatible = "arm,pl061", "arm,primecell"; reg = <0x101e4000 0x1000>; diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 25160aeaa3b7..54bb80b012ac 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -749,12 +749,25 @@ void versatile_restart(char mode, const char *cmd) /* Early initializations */ void __init versatile_init_early(void) { + u32 val; void __iomem *sys = __io_address(VERSATILE_SYS_BASE); osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET; clkdev_add_table(lookups, ARRAY_SIZE(lookups)); versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000); + + /* + * set clock frequency: + * VERSATILE_REFCLK is 32KHz + * VERSATILE_TIMCLK is 1MHz + */ + val = readl(__io_address(VERSATILE_SCTL_BASE)); + writel((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | + (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val, + __io_address(VERSATILE_SCTL_BASE)); } void __init versatile_init(void) @@ -785,19 +798,6 @@ void __init versatile_init(void) */ void __init versatile_timer_init(void) { - u32 val; - - /* - * set clock frequency: - * VERSATILE_REFCLK is 32KHz - * VERSATILE_TIMCLK is 1MHz - */ - val = readl(__io_address(VERSATILE_SCTL_BASE)); - writel((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | - (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val, - __io_address(VERSATILE_SCTL_BASE)); /* * Initialise to a known state (all timers off) diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c index 2558f2e957c3..3621b000a0f6 100644 --- a/arch/arm/mach-versatile/versatile_dt.c +++ b/arch/arm/mach-versatile/versatile_dt.c @@ -45,7 +45,6 @@ DT_MACHINE_START(VERSATILE_PB, "ARM-Versatile (Device Tree Support)") .map_io = versatile_map_io, .init_early = versatile_init_early, .init_irq = versatile_init_irq, - .init_time = versatile_timer_init, .init_machine = versatile_dt_init, .dt_compat = versatile_dt_match, .restart = versatile_restart, |