[POWERPC] 8xx/wrapper: Embedded Planet EP88xC support
This board is also resold by Freescale under the names
"QUICCStart MPC885 Evaluation System" and "CWH-PPC-885XN-VE".
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 6d1935a..a90baa3 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -51,7 +51,8 @@
src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
cuboot-ebony.c treeboot-ebony.c prpmc2800.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
+ cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
+ fixed-head.S ep88xc.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -144,6 +145,7 @@
ifneq ($(CONFIG_DEVICE_TREE),"")
image-$(CONFIG_PPC_8xx) += cuImage.8xx
+image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc
image-$(CONFIG_8260) += cuImage.pq2
image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
image-$(CONFIG_PPC_83xx) += cuImage.83xx
diff --git a/arch/powerpc/boot/dts/ep88xc.dts b/arch/powerpc/boot/dts/ep88xc.dts
new file mode 100644
index 0000000..0406fc5
--- /dev/null
+++ b/arch/powerpc/boot/dts/ep88xc.dts
@@ -0,0 +1,203 @@
+/*
+ * EP88xC Device Tree Source
+ *
+ * Copyright 2006 MontaVista Software, Inc.
+ * 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.
+ */
+
+
+/ {
+ model = "EP88xC";
+ compatible = "fsl,ep88xc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PowerPC,885@0 {
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-line-size = <d#16>;
+ i-cache-line-size = <d#16>;
+ d-cache-size = <d#8192>;
+ i-cache-size = <d#8192>;
+ timebase-frequency = <0>;
+ bus-frequency = <0>;
+ clock-frequency = <0>;
+ interrupts = <f 2>; // decrementer interrupt
+ interrupt-parent = <&PIC>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0 0>;
+ };
+
+ localbus@fa200100 {
+ compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ reg = <fa200100 40>;
+
+ ranges = <
+ 0 0 fc000000 04000000
+ 3 0 fa000000 01000000
+ >;
+
+ flash@0,2000000 {
+ compatible = "cfi-flash";
+ reg = <0 2000000 2000000>;
+ bank-width = <4>;
+ device-width = <2>;
+ };
+
+ board-control@3,400000 {
+ reg = <3 400000 10>;
+ compatible = "fsl,ep88xc-bcsr";
+ };
+ };
+
+ soc@fa200000 {
+ compatible = "fsl,mpc885", "fsl,pq1-soc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+ ranges = <0 fa200000 00004000>;
+ bus-frequency = <0>;
+
+ // Temporary -- will go away once kernel uses ranges for get_immrbase().
+ reg = <fa200000 4000>;
+
+ mdio@e00 {
+ compatible = "fsl,mpc885-fec-mdio", "fsl,pq1-fec-mdio";
+ reg = <e00 188>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PHY0: ethernet-phy@0 {
+ reg = <0>;
+ device_type = "ethernet-phy";
+ };
+
+ PHY1: ethernet-phy@1 {
+ reg = <1>;
+ device_type = "ethernet-phy";
+ };
+ };
+
+ ethernet@e00 {
+ device_type = "network";
+ compatible = "fsl,mpc885-fec-enet",
+ "fsl,pq1-fec-enet";
+ reg = <e00 188>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <3 1>;
+ interrupt-parent = <&PIC>;
+ phy-handle = <&PHY0>;
+ linux,network-index = <0>;
+ };
+
+ ethernet@1e00 {
+ device_type = "network";
+ compatible = "fsl,mpc885-fec-enet",
+ "fsl,pq1-fec-enet";
+ reg = <1e00 188>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <7 1>;
+ interrupt-parent = <&PIC>;
+ phy-handle = <&PHY1>;
+ linux,network-index = <1>;
+ };
+
+ PIC: interrupt-controller@0 {
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0 24>;
+ compatible = "fsl,mpc885-pic", "fsl,pq1-pic";
+ };
+
+ pcmcia@80 {
+ #address-cells = <3>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ compatible = "fsl,pq-pcmcia";
+ device_type = "pcmcia";
+ reg = <80 80>;
+ interrupt-parent = <&PIC>;
+ interrupts = <d 1>;
+ };
+
+ cpm@9c0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,mpc885-cpm", "fsl,cpm1";
+ command-proc = <9c0>;
+ interrupts = <0>; // cpm error interrupt
+ interrupt-parent = <&CPM_PIC>;
+ reg = <9c0 40 2000 1c00>;
+ ranges;
+
+ brg@9f0 {
+ compatible = "fsl,mpc885-brg",
+ "fsl,cpm1-brg",
+ "fsl,cpm-brg";
+ reg = <9f0 10>;
+ };
+
+ CPM_PIC: interrupt-controller@930 {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupts = <5 2 0 2>;
+ interrupt-parent = <&PIC>;
+ reg = <930 20>;
+ compatible = "fsl,mpc885-cpm-pic",
+ "fsl,cpm1-pic";
+ };
+
+ // MON-1
+ serial@a80 {
+ device_type = "serial";
+ compatible = "fsl,mpc885-smc-uart",
+ "fsl,cpm1-smc-uart";
+ reg = <a80 10 3e80 40>;
+ interrupts = <4>;
+ interrupt-parent = <&CPM_PIC>;
+ fsl,cpm-brg = <1>;
+ fsl,cpm-command = <0090>;
+ linux,planetcore-label = "SMC1";
+ };
+
+ // SER-1
+ serial@a20 {
+ device_type = "serial";
+ compatible = "fsl,mpc885-scc-uart",
+ "fsl,cpm1-scc-uart";
+ reg = <a20 20 3d00 80>;
+ interrupts = <1d>;
+ interrupt-parent = <&CPM_PIC>;
+ fsl,cpm-brg = <2>;
+ fsl,cpm-command = <0040>;
+ linux,planetcore-label = "SCC2";
+ };
+
+ usb@a00 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,mpc885-usb",
+ "fsl,cpm1-usb";
+ reg = <a00 18 1c00 80>;
+ interrupt-parent = <&CPM_PIC>;
+ interrupts = <1e>;
+ fsl,cpm-command = <0000>;
+ };
+ };
+ };
+};
diff --git a/arch/powerpc/boot/ep88xc.c b/arch/powerpc/boot/ep88xc.c
new file mode 100644
index 0000000..6b87cdc
--- /dev/null
+++ b/arch/powerpc/boot/ep88xc.c
@@ -0,0 +1,54 @@
+/*
+ * Embedded Planet EP88xC 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 "mpc8xx.h"
+
+static char *table;
+static u64 mem_size;
+
+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;
+ }
+
+ mpc885_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);
+
+ ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+
+ planetcore_set_stdout_path(table);
+
+ serial_console_init();
+ platform_ops.fixups = platform_fixups;
+}
diff --git a/arch/powerpc/boot/fixed-head.S b/arch/powerpc/boot/fixed-head.S
new file mode 100644
index 0000000..8e14cd9
--- /dev/null
+++ b/arch/powerpc/boot/fixed-head.S
@@ -0,0 +1,4 @@
+ .text
+ .global _zimage_start
+_zimage_start:
+ b _zimage_start_lib
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 65f6854..39b27e5 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -29,6 +29,7 @@
dtb=
dts=
cacheit=
+binary=
gzip=.gz
# cross-compilation prefix
@@ -142,17 +143,23 @@
isection=initrd
;;
cuboot*)
+ binary=y
gzip=
;;
ps3)
platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o"
lds=$object/zImage.ps3.lds
+ binary=y
gzip=
ext=bin
objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data"
ksection=.kernel:vmlinux.bin
isection=.kernel:initrd
;;
+ep88xc)
+ platformo="$object/fixed-head.o $object/$platform.o"
+ binary=y
+ ;;
esac
vmz="$tmpdir/`basename \"$kernel\"`.$ext"
@@ -224,6 +231,11 @@
base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1`
entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3`
+if [ -n "$binary" ]; then
+ mv "$ofile" "$ofile".elf
+ ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
+fi
+
# post-processing needed for some platforms
case "$platform" in
pseries|chrp)
@@ -234,8 +246,6 @@
$object/hack-coff "$ofile"
;;
cuboot*)
- mv "$ofile" "$ofile".elf
- ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
gzip -f -9 "$ofile".bin
mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
$uboot_version -d "$ofile".bin.gz "$ofile"
@@ -259,11 +269,11 @@
# then copied to offset 0x100. At runtime the bootwrapper program
# copies the 0x100 bytes at __system_reset_kernel to addr 0x100.
- system_reset_overlay=0x`${CROSS}nm "$ofile" \
+ system_reset_overlay=0x`${CROSS}nm "$ofile".elf \
| grep ' __system_reset_overlay$' \
| cut -d' ' -f1`
system_reset_overlay=`printf "%d" $system_reset_overlay`
- system_reset_kernel=0x`${CROSS}nm "$ofile" \
+ system_reset_kernel=0x`${CROSS}nm "$ofile".elf \
| grep ' __system_reset_kernel$' \
| cut -d' ' -f1`
system_reset_kernel=`printf "%d" $system_reset_kernel`
@@ -272,8 +282,6 @@
rm -f "$object/otheros.bld"
- ${CROSS}objcopy -O binary "$ofile" "$ofile.bin"
-
msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \
skip=$overlay_dest seek=$system_reset_kernel \
count=$overlay_size bs=1 2>&1)
