diff options
| author | Chen-Yu Tsai | 2014-10-22 16:47:46 +0800 |
|---|---|---|
| committer | Hans de Goede | 2014-10-24 09:35:39 +0200 |
| commit | 472ed0641e73ea5c5b80f9bfa804bfe0f89eca69 (patch) | |
| tree | fe5b47a857cbe3ccfc1f923bbf8a5f41d758fe35 | |
| 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>
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/prcm.c | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/prcm.h | 2 |
2 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/prcm.c b/arch/arm/cpu/armv7/sunxi/prcm.c index 7b3ee893026..19b4938dc97 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); } diff --git a/arch/arm/include/asm/arch-sunxi/prcm.h b/arch/arm/include/asm/arch-sunxi/prcm.h index 1b40f094f51..3d3bfa6cd1b 100644 --- a/arch/arm/include/asm/arch-sunxi/prcm.h +++ b/arch/arm/include/asm/arch-sunxi/prcm.h @@ -233,6 +233,6 @@ struct sunxi_prcm_reg { u32 dram_tst; /* 0x190 */ }; -void prcm_init_apb0(void); +void prcm_apb0_enable(u32 flags); #endif /* __ASSEMBLY__ */ #endif /* _PRCM_H */ |