summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
-rw-r--r--arch/arm/mach-kirkwood/common.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index a02cae881f2..3ad037385a5 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -15,6 +15,7 @@
#include <linux/ata_platform.h>
#include <linux/mtd/nand.h>
#include <linux/dma-mapping.h>
+#include <linux/of.h>
#include <net/dsa.h>
#include <asm/page.h>
#include <asm/timex.h>
@@ -482,6 +483,9 @@ static int __init kirkwood_clock_gate(void)
unsigned int curr = readl(CLOCK_GATING_CTRL);
u32 dev, rev;
+#ifdef CONFIG_OF
+ struct device_node *np;
+#endif
kirkwood_pcie_id(&dev, &rev);
printk(KERN_DEBUG "Gating clock of unused units\n");
printk(KERN_DEBUG "before: 0x%08x\n", curr);
@@ -489,6 +493,14 @@ static int __init kirkwood_clock_gate(void)
/* Make sure those units are accessible */
writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0 | CGC_PEX1, CLOCK_GATING_CTRL);
+#ifdef CONFIG_OF
+ np = of_find_compatible_node(NULL, NULL, "mrvl,orion-nand");
+ if (np && of_device_is_available(np)) {
+ kirkwood_clk_ctrl |= CGC_RUNIT;
+ of_node_put(np);
+ }
+#endif
+
/* For SATA: first shutdown the phy */
if (!(kirkwood_clk_ctrl & CGC_SATA0)) {
/* Disable PLL and IVREF */