aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/pcie.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-kirkwood/pcie.c')
-rw-r--r--arch/arm/mach-kirkwood/pcie.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 513ad3102d7c..ca294ff6d5be 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -18,8 +18,16 @@
18#include <mach/bridge-regs.h> 18#include <mach/bridge-regs.h>
19#include "common.h" 19#include "common.h"
20 20
21void kirkwood_enable_pcie(void)
22{
23 u32 curr = readl(CLOCK_GATING_CTRL);
24 if (!(curr & CGC_PEX0))
25 writel(curr | CGC_PEX0, CLOCK_GATING_CTRL);
26}
27
21void __init kirkwood_pcie_id(u32 *dev, u32 *rev) 28void __init kirkwood_pcie_id(u32 *dev, u32 *rev)
22{ 29{
30 kirkwood_enable_pcie();
23 *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE); 31 *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE);
24 *rev = orion_pcie_rev((void __iomem *)PCIE_VIRT_BASE); 32 *rev = orion_pcie_rev((void __iomem *)PCIE_VIRT_BASE);
25} 33}