powerpc/86xx: Enable NVRAM on GE Fanuc's SBC610

This patch enables the NVRAM found on the GE Fanuc SBC610

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

4 files changed, 14 insertions, 2 deletions

diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index 35a63183eecc..30911adefc8e 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -84,6 +84,12 @@
                           6 0 0xfd000000 0x00800000     // IO FPGA (8-bit)
                           7 0 0xfd800000 0x00800000>;   // IO FPGA (32-bit)
 
+                nvram@3,0 {
+                        device_type = "nvram";
+                        compatible = "simtek,stk14ca8";
+                        reg = <0x3 0x0 0x20000>;
+                };
+
                 fpga@4,0 {
                         compatible = "gef,fpga-regs";
                         reg = <0x4 0x0 0x40>;
diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
index 3b0fbfb28efd..1975d41e0763 100644
--- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
@@ -219,7 +219,7 @@ 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
@@ -1124,7 +1124,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
 # CONFIG_HW_RANDOM_TIMERIOMEM is not set
-# CONFIG_NVRAM is not set
+CONFIG_NVRAM=y
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
 # CONFIG_RAW_DRIVER is not set
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 9c7b64a3402b..9d02dea19bd8 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -51,6 +51,7 @@ config GEF_SBC310
 config GEF_SBC610
         bool "GE Fanuc SBC610"
         select DEFAULT_UIMAGE
+        select MMIO_NVRAM
         select GENERIC_GPIO
         select ARCH_REQUIRE_GPIOLIB
         select HAS_RAPIDIO
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index 72b31a6010a0..e10688a0fc4e 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.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_sbc610_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 */