From 3bc265627a0e163acebd35235454c525ea020804 Mon Sep 17 00:00:00 2001
From: Martyn Welch <martyn.welch@gefanuc.com>
Date: Thu, 2 Jul 2009 17:12:44 +0100
Subject: [PATCH] powerpc/86xx: Support for NVRAM on GE Fanuc's PPC9A

Add support for NVRAM on GE Fanuc's PPC9A.

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/gef_ppc9a.dts           | 6 ++++++
 arch/powerpc/configs/86xx/gef_ppc9a_defconfig | 2 +-
 arch/powerpc/platforms/86xx/Kconfig           | 1 +
 arch/powerpc/platforms/86xx/gef_ppc9a.c       | 5 +++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts
index 910944edd886..c86114e93f1e 100644
--- a/arch/powerpc/boot/dts/gef_ppc9a.dts
+++ b/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -118,6 +118,12 @@
 			};
 		};
 
+		nvram@3,0 {
+			device_type = "nvram";
+			compatible = "simtek,stk14ca8";
+			reg = <0x3 0x0 0x20000>;
+		};
+
 		fpga@4,0 {
 			compatible = "gef,ppc9a-fpga-regs";
 			reg = <0x4 0x0 0x40>;
diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
index 28980738776c..6cd2cd65c2cd 100644
--- a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
+++ b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
@@ -218,7 +218,7 @@ CONFIG_MPIC=y
 # CONFIG_MPIC_WEIRD is not set
 # CONFIG_PPC_I8259 is not set
 # CONFIG_PPC_RTAS is not set
-# CONFIG_MMIO_NVRAM is not set
+CONFIG_MMIO_NVRAM=y
 # CONFIG_PPC_MPC106 is not set
 # CONFIG_PPC_970_NAP is not set
 # CONFIG_PPC_INDIRECT_IO is not set
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 6012022dcf79..2bbfd530d6d8 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -35,6 +35,7 @@ config MPC8610_HPCD
 config GEF_PPC9A
 	bool "GE Fanuc PPC9A"
 	select DEFAULT_UIMAGE
+	select MMIO_NVRAM
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	help
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index 287f7bd17dd9..a792e5d85813 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -33,6 +33,7 @@
 #include <asm/udbg.h>
 
 #include <asm/mpic.h>
+#include <asm/nvram.h>
 
 #include <sysdev/fsl_pci.h>
 #include <sysdev/fsl_soc.h>
@@ -95,6 +96,10 @@ static void __init gef_ppc9a_setup_arch(void)
 			printk(KERN_WARNING "Unable to map board registers\n");
 		of_node_put(regs);
 	}
+
+#if defined(CONFIG_MMIO_NVRAM)
+	mmio_nvram_init();
+#endif
 }
 
 /* Return the PCB revision */
-- 
2.34.1