[POWERPC] 85xx: SBC8548 - Add flash support and HW Rev reporting

The following adds local bus, flash and MTD partition nodes for
sbc8548. As well, a compatible field for the soc node, so that
of_platform_bus_probe() will pick it up.

Something that is provided through this newly added epld node
is the Hardware Revision which is now being utilized.

Signed-off-by: Jeremy McNicoll <jeremy.mcnicoll@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/sbc8548.dts b/arch/powerpc/boot/dts/sbc8548.dts
index b86e65d926c1..22d967178fe9 100644
--- a/arch/powerpc/boot/dts/sbc8548.dts
+++ b/arch/powerpc/boot/dts/sbc8548.dts
@@ -52,6 +52,99 @@
                 reg = <0x00000000 0x10000000>;
         };
 
+        localbus@e0000000 {
+                #address-cells = <2>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                reg = <0xe0000000 0x5000>;
+                interrupt-parent = <&mpic>;
+
+                ranges = <0x0 0x0 0xff800000 0x00800000         /*8MB Flash*/
+                          0x3 0x0 0xf0000000 0x04000000         /*64MB SDRAM*/
+                          0x4 0x0 0xf4000000 0x04000000         /*64MB SDRAM*/
+                          0x5 0x0 0xf8000000 0x00b10000         /* EPLD */
+                          0x6 0x0 0xfb800000 0x04000000>;       /*64MB Flash*/
+
+
+                flash@0,0 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        compatible = "cfi-flash";
+                        reg = <0x0 0x0 0x800000>;
+                        bank-width = <1>;
+                        device-width = <1>;
+                        partition@0x0 {
+                                label = "space";
+                                reg = <0x00000000 0x00100000>;
+                        };
+                        partition@0x100000 {
+                                label = "bootloader";
+                                reg = <0x00100000 0x00700000>;
+                                read-only;
+                        };
+                };
+
+                epld@5,0 {
+                        compatible = "wrs,epld-localbus";
+                        #address-cells = <2>;
+                        #size-cells = <1>;
+                        reg = <0x5 0x0 0x00b10000>;
+                        ranges = <
+                                0x0 0x0 0x5 0x000000 0x1fff     /* LED */
+                                0x1 0x0 0x5 0x100000 0x1fff     /* Switches */
+                                0x3 0x0 0x5 0x300000 0x1fff     /* HW Rev. */
+                                0xb 0x0 0x5 0xb00000 0x1fff     /* EEPROM */
+                        >;
+
+                        led@0,0 {
+                                compatible = "led";
+                                reg = <0x0 0x0 0x1fff>;
+                        };
+
+                        switches@1,0 {
+                                compatible = "switches";
+                                reg = <0x1 0x0 0x1fff>;
+                        };
+
+                        hw-rev@3,0 {
+                                compatible = "hw-rev";
+                                reg = <0x3 0x0 0x1fff>;
+                        };
+
+                        eeprom@b,0 {
+                                compatible = "eeprom";
+                                reg = <0xb 0 0x1fff>;
+                        };
+
+                };
+
+                alt-flash@6,0 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        reg = <0x6 0x0 0x04000000>;
+                        compatible = "cfi-flash";
+                        bank-width = <4>;
+                        device-width = <1>;
+                        partition@0x0 {
+                                label = "bootloader";
+                                reg = <0x00000000 0x00100000>;
+                                read-only;
+                        };
+                        partition@0x00100000 {
+                                label = "file-system";
+                                reg = <0x00100000 0x01f00000>;
+                        };
+                        partition@0x02000000 {
+                                label = "boot-config";
+                                reg = <0x02000000 0x00100000>;
+                        };
+                        partition@0x02100000 {
+                                label = "space";
+                                reg = <0x02100000 0x01f00000>;
+                        };
+                };
+        };
+
         soc8548@e0000000 {
                 #address-cells = <1>;
                 #size-cells = <1>;
@@ -59,6 +152,7 @@
                 ranges = <0x00000000 0xe0000000 0x00100000>;
                 reg = <0xe0000000 0x00001000>;  // CCSRBAR
                 bus-frequency = <0>;
+                compatible = "simple-bus";
 
                 memory-controller@2000 {
                         compatible = "fsl,8548-memory-controller";