diff options
| author | Wenyou Yang <wenyou.yang@atmel.com> | 2016-02-02 12:46:12 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2016-02-18 21:34:41 +0100 |
| commit | c0b868c08771ec73c8f837d44d3dc5bd9f05216f (patch) | |
| tree | 45d383261e6448d6a8e063fc1000daa4494582c3 | |
| parent | 30f65c85decb7d6816ba358927ab86e05ccaea2e (diff) | |
ARM: at91: clock: add PMC_PLLICPR init function
To avoid the duplicated code, add the PMC_PLLICPR init function.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
| -rw-r--r-- | arch/arm/mach-at91/clock.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_pmc.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/clk.h | 1 |
3 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index 5300d683d20..06dcbbcbe8e 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -112,3 +112,10 @@ void at91_usb_clk_init(u32 value) writel(value, &pmc->usb); } + +void at91_pllicpr_init(u32 icpr) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + writel(icpr, &pmc->pllicpr); +} diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index eb401945e9d..7684f09afcb 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -246,4 +246,11 @@ typedef struct at91_pmc { #define AT91_PMC_GCKRDY (1 << 24) #define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */ + +/* PLL Charge Pump Current Register (PMC_PLLICPR) */ +#define AT91_PMC_ICP_PLLA(x) (((x) & 0x3) << 0) +#define AT91_PMC_IPLL_PLLA(x) (((x) & 0x7) << 8) +#define AT91_PMC_ICP_PLLU(x) (((x) & 0x3) << 16) +#define AT91_PMC_IVCO_PLLU(x) (((x) & 0x3) << 24) + #endif diff --git a/arch/arm/mach-at91/include/mach/clk.h b/arch/arm/mach-at91/include/mach/clk.h index 64dec522369..8577c74b47b 100644 --- a/arch/arm/mach-at91/include/mach/clk.h +++ b/arch/arm/mach-at91/include/mach/clk.h @@ -135,5 +135,6 @@ int at91_upll_clk_disable(void); void at91_usb_clk_init(u32 value); int at91_pllb_clk_enable(u32 pllbr); int at91_pllb_clk_disable(void); +void at91_pllicpr_init(u32 icpr); #endif /* __ASM_ARM_ARCH_CLK_H__ */ |