diff options
Diffstat (limited to 'kernel/arch/arm/mach-ux500/pm.c')
| -rw-r--r-- | kernel/arch/arm/mach-ux500/pm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/arch/arm/mach-ux500/pm.c b/kernel/arch/arm/mach-ux500/pm.c index 2cb587b50..8538910db 100644 --- a/kernel/arch/arm/mach-ux500/pm.c +++ b/kernel/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. |