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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 10:06:36 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 10:06:36 (GMT) |
| commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
| tree | a7d56d88fad5e444d7661484109758a2f436129e /arch/arm/mach-kirkwood/pcie.c | |
| parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
| parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) | |
| download | linux-fsl-qoriq-a18f22a968de17b29f2310cdb7ba69163e65ec15.tar.xz | |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-kirkwood/pcie.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index 513ad31..ca294ff 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -18,8 +18,16 @@ #include <mach/bridge-regs.h> #include "common.h" +void kirkwood_enable_pcie(void) +{ + u32 curr = readl(CLOCK_GATING_CTRL); + if (!(curr & CGC_PEX0)) + writel(curr | CGC_PEX0, CLOCK_GATING_CTRL); +} + void __init kirkwood_pcie_id(u32 *dev, u32 *rev) { + kirkwood_enable_pcie(); *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE); *rev = orion_pcie_rev((void __iomem *)PCIE_VIRT_BASE); } |