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-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c1
-rw-r--r--arch/arm/mach-ux500/pm.c15
2 files changed, 13 insertions, 3 deletions
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 0b3ebbf38702..a36fdd8657d2 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -47,7 +47,6 @@ static struct prcmu_pdata db8500_prcmu_pdata = {
static struct map_desc u8500_common_io_desc[] __initdata = {
/* SCU base also covers GIC CPU BASE and TWD with its 4K page */
__IO_DEV_DESC(U8500_SCU_BASE, SZ_4K),
- __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K),
__IO_DEV_DESC(U8500_L2CC_BASE, SZ_4K),
__IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K),
};
diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c
index 2cb587b50905..8538910db202 100644
--- a/arch/arm/mach-ux500/pm.c
+++ b/arch/arm/mach-ux500/pm.c
@@ -15,6 +15,8 @@
#include <linux/io.h>
#include <linux/suspend.h>
#include <linux/platform_data/arm-ux500-pm.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include "db8500-regs.h"
#include "pm_domains.h"
@@ -42,6 +44,7 @@
#define PRCM_ARMITVAL127TO96 (prcmu_base + 0x26C)
static void __iomem *prcmu_base;
+static void __iomem *dist_base;
/* This function decouple the gic from the prcmu */
int prcmu_gic_decouple(void)
@@ -88,7 +91,6 @@ bool prcmu_gic_pending_irq(void)
{
u32 pr; /* Pending register */
u32 er; /* Enable register */
- void __iomem *dist_base = __io_address(U8500_GIC_DIST_BASE);
int i;
/* 5 registers. STI & PPI not skipped */
@@ -143,7 +145,6 @@ bool prcmu_is_cpu_in_wfi(int cpu)
int prcmu_copy_gic_settings(void)
{
u32 er; /* Enable register */
- void __iomem *dist_base = __io_address(U8500_GIC_DIST_BASE);
int i;
/* We skip the STI and PPI */
@@ -179,11 +180,21 @@ static const struct platform_suspend_ops ux500_suspend_ops = {
void __init ux500_pm_init(u32 phy_base, u32 size)
{
+ struct device_node *np;
+
prcmu_base = ioremap(phy_base, size);
if (!prcmu_base) {
pr_err("could not remap PRCMU for PM functions\n");
return;
}
+ np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
+ dist_base = of_iomap(np, 0);
+ of_node_put(np);
+ if (!dist_base) {
+ pr_err("could not remap GIC dist base for PM functions\n");
+ return;
+ }
+
/*
* On watchdog reboot the GIC is in some cases decoupled.
* This will make sure that the GIC is correctly configured.