diff options
| author | Bo Shen <voice.shen@atmel.com> | 2014-10-24 16:13:26 +0800 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-11-17 08:47:16 -0500 |
| commit | da79fa4d7736601b1e484dc23838f6976b1d761b (patch) | |
| tree | 5ef91a826517daea092a3375285e80f22c524f87 | |
| parent | a5f35d63f2ec0f95162da924d346922d5888aa38 (diff) | |
ARM: atmel: spl: make css field configurable
The clock source for master clock can be slow clock, main clock,
plla clock or upll clock. So, make the clock source selection
field in mckr can be configured.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
| -rw-r--r-- | arch/arm/cpu/at91-common/spl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/cpu/at91-common/spl.c b/arch/arm/cpu/at91-common/spl.c index 57fb04106d..81f5f53804 100644 --- a/arch/arm/cpu/at91-common/spl.c +++ b/arch/arm/cpu/at91-common/spl.c @@ -76,10 +76,12 @@ void at91_mck_init(u32 mckr) u32 tmp; tmp = readl(&pmc->mckr); - tmp &= ~(AT91_PMC_MCKR_PRES_MASK | + tmp &= ~(AT91_PMC_MCKR_CSS_MASK | + AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_PLLADIV_2); - tmp |= mckr & (AT91_PMC_MCKR_PRES_MASK | + tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK | + AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_PLLADIV_2); writel(tmp, &pmc->mckr); |