[POWERPC] 82xx: Embedded Planet EP8248E support

This board is also resold by Freescale under the names
"QUICCStart MPC8248 Evaluation System" and "CWH-PPC-8248N-VE".

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

4 files changed, 265 insertions, 2 deletions

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 08bf7aa85c54..fcca455a8c02 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -62,7 +62,7 @@ src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
                 ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
                 cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
                 fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \
-                cuboot-katmai.c cuboot-rainier.c redboot-8xx.c
+                cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -195,6 +195,7 @@ image-$(CONFIG_PPC_8xx)			+= cuImage.8xx
 image-$(CONFIG_PPC_EP88XC)              += zImage.ep88xc
 image-$(CONFIG_EP405)                   += zImage.ep405
 image-$(CONFIG_8260)                    += cuImage.pq2
+image-$(CONFIG_EP8248E)                 += zImage.ep8248e
 image-$(CONFIG_PPC_MPC52xx)             += cuImage.52xx
 image-$(CONFIG_PPC_83xx)                += cuImage.83xx
 image-$(CONFIG_PPC_85xx)                += cuImage.85xx
diff --git a/arch/powerpc/boot/dts/ep8248e.dts b/arch/powerpc/boot/dts/ep8248e.dts
new file mode 100644
index 000000000000..5d2fb76a72c1
--- /dev/null
+++ b/arch/powerpc/boot/dts/ep8248e.dts
@@ -0,0 +1,207 @@
+/*
+ * Device Tree for the Embedded Planet EP8248E board running PlanetCore.
+ *
+ * Copyright 2007 Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+/dts-v1/;
+/ {
+        model = "EP8248E";
+        compatible = "fsl,ep8248e";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        aliases {
+                planetcore-SMC1 = &smc1;
+                planetcore-SCC1 = &scc1;
+                ethernet0 = &eth0;
+                ethernet1 = &eth1;
+                serial0 = &smc1;
+                serial1 = &scc1;
+        };
+
+        cpus {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                PowerPC,8248@0 {
+                        device_type = "cpu";
+                        reg = <0>;
+                        d-cache-line-size = <32>;
+                        i-cache-line-size = <32>;
+                        d-cache-size = <16384>;
+                        i-cache-size = <16384>;
+                        timebase-frequency = <0>;
+                        clock-frequency = <0>;
+                };
+        };
+
+        localbus@f0010100 {
+                compatible = "fsl,mpc8248-localbus",
+                             "fsl,pq2-localbus",
+                             "simple-bus";
+                #address-cells = <2>;
+                #size-cells = <1>;
+                reg = <0xf0010100 0x40>;
+
+                ranges = <0 0 0xfc000000 0x04000000
+                          1 0 0xfa000000 0x00008000>;
+
+                flash@0,3800000 {
+                        compatible = "cfi-flash";
+                        reg = <0 0x3800000 0x800000>;
+                        bank-width = <4>;
+                        device-width = <2>;
+                };
+
+                bcsr@1,0 {
+                        #address-cells = <2>;
+                        #size-cells = <1>;
+                        reg = <1 0 0x10>;
+                        compatible = "fsl,ep8248e-bcsr";
+                        ranges;
+
+                        mdio {
+                                device_type = "mdio";
+                                compatible = "fsl,ep8248e-mdio-bitbang";
+                                #address-cells = <1>;
+                                #size-cells = <0>;
+                                reg = <1 8 1>;
+
+                                PHY0: ethernet-phy@0 {
+                                        interrupt-parent = <&PIC>;
+                                        reg = <0>;
+                                        device_type = "ethernet-phy";
+                                };
+
+                                PHY1: ethernet-phy@1 {
+                                        interrupt-parent = <&PIC>;
+                                        reg = <1>;
+                                        device_type = "ethernet-phy";
+                                };
+                        };
+                };
+        };
+
+        memory {
+                device_type = "memory";
+                reg = <0 0>;
+        };
+
+        soc@f0000000 {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "fsl,mpc8248-immr", "fsl,pq2-soc", "simple-bus";
+                ranges = <0x00000000 0xf0000000 0x00053000>;
+
+                // Temporary until code stops depending on it.
+                device_type = "soc";
+
+                // Temporary -- will go away once kernel uses ranges for get_immrbase().
+                reg = <0xf0000000 0x00053000>;
+
+                cpm@119c0 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        #interrupt-cells = <2>;
+                        compatible = "fsl,mpc8248-cpm", "fsl,cpm2",
+                                     "simple-bus";
+                        reg = <0x119c0 0x30>;
+                        ranges;
+
+                        muram {
+                                #address-cells = <1>;
+                                #size-cells = <1>;
+                                ranges = <0 0 0x10000>;
+
+                                data@0 {
+                                        compatible = "fsl,cpm-muram-data";
+                                        reg = <0 0x1100 0x1140
+                                               0xec0 0x9800 0x800>;
+                                };
+                        };
+
+                        brg@119f0 {
+                                compatible = "fsl,mpc8248-brg",
+                                             "fsl,cpm2-brg",
+                                             "fsl,cpm-brg";
+                                reg = <0x119f0 0x10 0x115f0 0x10>;
+                        };
+
+                        /* Monitor port/SMC1 */
+                        smc1: serial@11a80 {
+                                device_type = "serial";
+                                compatible = "fsl,mpc8248-smc-uart",
+                                             "fsl,cpm2-smc-uart";
+                                reg = <0x11a80 0x20 0x1100 0x40>;
+                                interrupts = <4 8>;
+                                interrupt-parent = <&PIC>;
+                                fsl,cpm-brg = <7>;
+                                fsl,cpm-command = <0x1d000000>;
+                                linux,planetcore-label = "SMC1";
+                        };
+
+                        /* "Serial" port/SCC1 */
+                        scc1: serial@11a00 {
+                                device_type = "serial";
+                                compatible = "fsl,mpc8248-scc-uart",
+                                             "fsl,cpm2-scc-uart";
+                                reg = <0x11a00 0x20 0x8000 0x100>;
+                                interrupts = <40 8>;
+                                interrupt-parent = <&PIC>;
+                                fsl,cpm-brg = <1>;
+                                fsl,cpm-command = <0x00800000>;
+                                linux,planetcore-label = "SCC1";
+                        };
+
+                        eth0: ethernet@11300 {
+                                device_type = "network";
+                                compatible = "fsl,mpc8248-fcc-enet",
+                                             "fsl,cpm2-fcc-enet";
+                                reg = <0x11300 0x20 0x8400 0x100 0x11390 1>;
+                                local-mac-address = [ 00 00 00 00 00 00 ];
+                                interrupts = <32 8>;
+                                interrupt-parent = <&PIC>;
+                                phy-handle = <&PHY0>;
+                                linux,network-index = <0>;
+                                fsl,cpm-command = <0x12000300>;
+                        };
+
+                        eth1: ethernet@11320 {
+                                device_type = "network";
+                                compatible = "fsl,mpc8248-fcc-enet",
+                                             "fsl,cpm2-fcc-enet";
+                                reg = <0x11320 0x20 0x8500 0x100 0x113b0 1>;
+                                local-mac-address = [ 00 00 00 00 00 00 ];
+                                interrupts = <33 8>;
+                                interrupt-parent = <&PIC>;
+                                phy-handle = <&PHY1>;
+                                linux,network-index = <1>;
+                                fsl,cpm-command = <0x16200300>;
+                        };
+
+                        usb@11b60 {
+                                #address-cells = <1>;
+                                #size-cells = <0>;
+                                compatible = "fsl,mpc8248-usb",
+                                             "fsl,cpm2-usb";
+                                reg = <0x11b60 0x18 0x8b00 0x100>;
+                                interrupt-parent = <&PIC>;
+                                interrupts = <11 8>;
+                                fsl,cpm-command = <0x2e600000>;
+                        };
+                };
+
+                PIC: interrupt-controller@10c00 {
+                        #interrupt-cells = <2>;
+                        interrupt-controller;
+                        reg = <0x10c00 0x80>;
+                        compatible = "fsl,mpc8248-pic", "fsl,pq2-pic";
+                };
+        };
+};
diff --git a/arch/powerpc/boot/ep8248e.c b/arch/powerpc/boot/ep8248e.c
new file mode 100644
index 000000000000..f57d14d0272b
--- /dev/null
+++ b/arch/powerpc/boot/ep8248e.c
@@ -0,0 +1,55 @@
+/*
+ * Embedded Planet EP8248E with PlanetCore firmware
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "planetcore.h"
+#include "pq2.h"
+
+static char *table;
+static u64 mem_size;
+
+#include <io.h>
+
+static void platform_fixups(void)
+{
+        u64 val;
+
+        dt_fixup_memory(0, mem_size);
+        planetcore_set_mac_addrs(table);
+
+        if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
+                printf("No PlanetCore crystal frequency key.\r\n");
+                return;
+        }
+
+        pq2_fixup_clocks(val);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+        table = (char *)r3;
+        planetcore_prepare_table(table);
+
+        if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
+                return;
+
+        mem_size *= 1024 * 1024;
+        simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
+
+        fdt_init(_dtb_start);
+
+        planetcore_set_stdout_path(table);
+        serial_console_init();
+        platform_ops.fixups = platform_fixups;
+}
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index a7c46715af10..763a0c46f441 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -168,7 +168,7 @@ ps3)
     ksection=.kernel:vmlinux.bin
     isection=.kernel:initrd
     ;;
-ep88xc|ep405|redboot*)
+ep88xc|ep405|redboot*|ep8248e)
     platformo="$object/fixed-head.o $object/$platform.o"
     binary=y
     ;;