diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2014-10-22 16:47:46 +0800 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2014-10-24 09:35:39 +0200 |
| commit | 472ed0641e73ea5c5b80f9bfa804bfe0f89eca69 (patch) | |
| tree | fe5b47a857cbe3ccfc1f923bbf8a5f41d758fe35 /arch/arm/cpu/armv7 | |
| parent | e373aad32a06110e60af52c58b32d32fe8417bbd (diff) | |
ARM: sunxi: Allow specifying module in prcm apb0 init function
The prcm apb0 controls multiple modules. Allow specifying which
modules to enable clocks and de-assert resets so the function
can be reused.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/prcm.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/prcm.c b/arch/arm/cpu/armv7/sunxi/prcm.c index 7b3ee89302..19b4938dc9 100644 --- a/arch/arm/cpu/armv7/sunxi/prcm.c +++ b/arch/arm/cpu/armv7/sunxi/prcm.c @@ -21,13 +21,15 @@ #include <asm/arch/prcm.h> #include <asm/arch/sys_proto.h> -void prcm_init_apb0(void) +/* APB0 clock gate and reset bit offsets are the same. */ +void prcm_apb0_enable(u32 flags) { struct sunxi_prcm_reg *prcm = (struct sunxi_prcm_reg *)SUNXI_PRCM_BASE; - setbits_le32(&prcm->apb0_gate, PRCM_APB0_GATE_P2WI | - PRCM_APB0_GATE_PIO); - setbits_le32(&prcm->apb0_reset, PRCM_APB0_RESET_P2WI | - PRCM_APB0_RESET_PIO); + /* open the clock for module */ + setbits_le32(&prcm->apb0_gate, flags); + + /* deassert reset for module */ + setbits_le32(&prcm->apb0_reset, flags); } |