diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-30 08:11:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-30 08:11:18 -0800 |
| commit | b62c855938be50c13f3f2aa81fafe4a9ca2b6650 (patch) | |
| tree | c133f2b64893561347415d1861f8926c24f12daf /arch/arm/mach-at91/clock.c | |
| parent | 80cbd911ca25535f6bb66bbcbb98950ec328eb40 (diff) | |
| parent | e252d4c362ad89c5b533833d9e7493c732215925 (diff) | |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4680/1: parentheses around NR_IRQS definition
[ARM] 4679/1: AT91: Change maintainer email address
[ARM] 4675/1: pxa: fix mfp address definition error for pxa320
[ARM] 4674/1: pxa: increase LCD PCLK drive strength to fast 2mA for PXA300/PXA310
[ARM] 4673/1: pxa: add missing IRQ_SSP4 definitions for PXA3xx
[ARM] 4672/1: pxa: fix DRCMR(n) to support PXA27x and later processors
[ARM] 4665/1: fix __und_usr wrt accessing the undefined insn in user space
[ARM] 4659/1: remove possibilities for spurious false negative with __kuser_cmpxchg
[ARM] 4661/1: fix do_undefinstr wrt the enabling of IRQs
[ARM] uengine: fix memset size error
[ARM] 4648/1: i.MX/MX1 ensure more complete AITC initialization
[ARM] 4611/2: AT91: Fix GPIO buttons pins on SAM9261-EK.
[ARM] 4650/1: AT91: New-style init of I2C, support for i2c-gpio
[ARM] 4604/2: AT91: Master clock divistor on SAM9
[ARM] 4662/1: Fix PXA serial driver compilation if SERIAL_PXA_CONSOLE is disabled
[ARM] PXA ssp: unlock when ssp tries to close an invalid port
[ARM] 4654/1: pxa: update default MFP register value
[ARM] 4653/1: pxa: fix a gpio typo in mfp-pxa320.h
[ARM] 4652/1: pxa: fix a typo of pxa27x usb host clk definition
[ARM] 4651/1: pxa: add PXA3xx specific IRQ definitions
Diffstat (limited to 'arch/arm/mach-at91/clock.c')
| -rw-r--r-- | arch/arm/mach-at91/clock.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index 848efb2a4ebf..57c3b647ce83 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -351,7 +351,7 @@ static void init_programmable_clock(struct clk *clk) pckr = at91_sys_read(AT91_PMC_PCKR(clk->id)); parent = at91_css_to_clk(pckr & AT91_PMC_CSS); clk->parent = parent; - clk->rate_hz = parent->rate_hz / (1 << ((pckr >> 2) & 3)); + clk->rate_hz = parent->rate_hz / (1 << ((pckr & AT91_PMC_PRES) >> 2)); } #endif /* CONFIG_AT91_PROGRAMMABLE_CLOCKS */ @@ -587,8 +587,11 @@ int __init at91_clock_init(unsigned long main_clock) mckr = at91_sys_read(AT91_PMC_MCKR); mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS); freq = mck.parent->rate_hz; - freq /= (1 << ((mckr >> 2) & 3)); /* prescale */ - mck.rate_hz = freq / (1 + ((mckr >> 8) & 3)); /* mdiv */ + freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2)); /* prescale */ + if (cpu_is_at91rm9200()) + mck.rate_hz = freq / (1 + ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ + else + mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ /* Register the PMC's standard clocks */ for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++) |