Merge tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "This is the bulk of new SoC enablement and other platform changes for
  3.17:

   - Samsung S5PV210 has been converted to DT and multiplatform
   - Clock drivers and bindings for some of the lower-end i.MX 1/2
     platforms
   - Kirkwood, one of the popular Marvell platforms, is folded into the
     mvebu platform code, removing mach-kirkwood
   - Hwmod data for TI AM43xx and DRA7 platforms
   - More additions of Renesas shmobile platform support
   - Removal of plat-samsung contents that can be removed with S5PV210
     being multiplatform/DT-enabled and the other two old platforms
     being removed

  New platforms (most with only basic support right now):

   - Hisilicon X5HD2 settop box chipset is introduced
   - Mediatek MT6589 (mobile chipset) is introduced
   - Broadcom BCM7xxx settop box chipset is introduced

  + as usual a lot other pieces all over the platform code"

* tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (240 commits)
  ARM: hisi: remove smp from machine descriptor
  power: reset: move hisilicon reboot code
  ARM: dts: Add hix5hd2-dkb dts file.
  ARM: debug: Rename Hi3716 to HIX5HD2
  ARM: hisi: enable hix5hd2 SoC
  ARM: hisi: add ARCH_HISI
  MAINTAINERS: add entry for Broadcom ARM STB architecture
  ARM: brcmstb: select GISB arbiter and interrupt drivers
  ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs
  ARM: configs: enable SMP in bcm_defconfig
  ARM: add SMP support for Broadcom mobile SoCs
  Documentation: arm: misc updates to Marvell EBU SoC status
  Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
  ARM: mvebu: fix build without platforms selected
  ARM: mvebu: add cpuidle support for Armada 38x
  ARM: mvebu: add cpuidle support for Armada 370
  cpuidle: mvebu: add Armada 38x support
  cpuidle: mvebu: add Armada 370 support
  cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
  ARM: mvebu: export the SCU address
  ...

1 files changed, 21 insertions, 4 deletions

diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c
index c1c99a72c6a1..3403bac94a31 100644
--- a/arch/arm/mach-imx/cpu-imx5.c
+++ b/arch/arm/mach-imx/cpu-imx5.c
@@ -16,6 +16,8 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
 
 #include "hardware.h"
 #include "common.h"
@@ -24,10 +26,26 @@ static int mx5_cpu_rev = -1;
 
 #define IIM_SREV 0x24
 
+static u32 imx5_read_srev_reg(const char *compat)
+{
+	void __iomem *iim_base;
+	struct device_node *np;
+	u32 srev;
+
+	np = of_find_compatible_node(NULL, NULL, compat);
+	iim_base = of_iomap(np, 0);
+	WARN_ON(!iim_base);
+
+	srev = readl(iim_base + IIM_SREV) & 0xff;
+
+	iounmap(iim_base);
+
+	return srev;
+}
+
 static int get_mx51_srev(void)
 {
-	void __iomem *iim_base = MX51_IO_ADDRESS(MX51_IIM_BASE_ADDR);
-	u32 rev = readl(iim_base + IIM_SREV) & 0xff;
+	u32 rev = imx5_read_srev_reg("fsl,imx51-iim");
 
 	switch (rev) {
 	case 0x0:
@@ -77,8 +95,7 @@ int __init mx51_neon_fixup(void)
 
 static int get_mx53_srev(void)
 {
-	void __iomem *iim_base = MX51_IO_ADDRESS(MX53_IIM_BASE_ADDR);
-	u32 rev = readl(iim_base + IIM_SREV) & 0xff;
+	u32 rev = imx5_read_srev_reg("fsl,imx53-iim");
 
 	switch (rev) {
 	case 0x0: