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[ppc40x] add support for the OpenRB Light board 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16908 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2009-07-19 07:38:06 +00:00
parent d13d6cb744
commit 204dcb23c5
3 changed files with 348 additions and 0 deletions
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1
target/linux/ppc40x/config-2.6.30
View File

@ -128,6 +128,7 @@ CONFIG_NOT_COHERENT_CACHE=y
CONFIG_OF=y
CONFIG_OF_DEVICE=y
CONFIG_OF_GPIO=y
CONFIG_OPENRB_LIGHT=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PAGE_OFFSET=0xc0000000
CONFIG_PCI=y

8
target/linux/ppc40x/image/Makefile
View File

@ -39,6 +39,10 @@ define Image/Build/jffs2-64k
dd if=$(LINUX_DIR)/arch/powerpc/boot/cuImage.magicboxv2 bs=1152k conv=sync; \
dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
) > $(BIN_DIR)/openwrt-$(BOARD)-magicboxv2-jffs2.img
( \
dd if=$(LINUX_DIR)/arch/powerpc/boot/cuImage.openrb-light bs=1152k conv=sync; \
dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
) > $(BIN_DIR)/openwrt-$(BOARD)-openrb-light-jffs2.img
endef
define Image/Build/squashfs
@ -56,6 +60,10 @@ define Image/Build/squashfs
dd if=$(LINUX_DIR)/arch/powerpc/boot/cuImage.magicboxv2 bs=1152k conv=sync; \
dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
) > $(BIN_DIR)/openwrt-$(BOARD)-magicboxv2-$(1).img
( \
dd if=$(LINUX_DIR)/arch/powerpc/boot/cuImage.openrb-light bs=1152k conv=sync; \
dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
) > $(BIN_DIR)/openwrt-$(BOARD)-openrb-light-$(1).img
endef
$(eval $(call BuildImage))

339
target/linux/ppc40x/patches-2.6.30/007-openrb-light.patch Normal file
View File

@ -0,0 +1,339 @@
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -76,7 +76,7 @@
cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
cuboot-acadia.c cuboot-amigaone.c cuboot-magicboxv1.c \
- cuboot-magicboxv2.c
+ cuboot-magicboxv2.c cuboot-openrb-light.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -195,6 +195,7 @@
image-$(CONFIG_ACADIA) += cuImage.acadia
image-$(CONFIG_MAGICBOXV1) += cuImage.magicboxv1
image-$(CONFIG_MAGICBOXV2) += cuImage.magicboxv2
+image-$(CONFIG_OPENRB_LIGHT) += cuImage.openrb-light
# Board ports in arch/powerpc/platform/44x/Kconfig
image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -79,6 +79,16 @@
help
This option enables support for the AMCC PPC405EX board.
+config OPENRB_LIGHT
+ bool "OpenRB Light"
+ depends on 40x
+ default n
+ select PPC40x_SIMPLE
+ select 405EP
+ select PCI
+ help
+ This option enables support for the OpenRB Light board.
+
#config REDWOOD_5
# bool "Redwood-5"
# depends on 40x
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -54,6 +54,7 @@
"amcc,acadia",
"magicboxv1",
"magicboxv2",
+ "openrb,light",
};
static int __init ppc40x_probe(void)
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-openrb-light.c
@@ -0,0 +1,41 @@
+/*
+ * Old U-boot compatibility for OpenRB Light board
+ *
+ * Author: Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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 "io.h"
+#include "dcr.h"
+#include "stdio.h"
+#include "4xx.h"
+#include "44x.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#define TARGET_405EP
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void openrb_light_fixups(void)
+{
+ ibm405ep_fixup_clocks(33333000);
+ ibm4xx_sdram_fixup_memsize();
+ dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ CUBOOT_INIT();
+ platform_ops.fixups = openrb_light_fixups;
+ platform_ops.exit = ibm40x_dbcr_reset;
+ fdt_init(_dtb_start);
+ serial_console_init();
+}
+
--- /dev/null
+++ b/arch/powerpc/boot/dts/openrb-light.dts
@@ -0,0 +1,244 @@
+/*
+ * Device Tree Source for OpenRB Light board
+ *
+ * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Based on magicboxv2.dts
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "openrb,light";
+ compatible = "openrb,light";
+ dcr-parent = <&{/cpus/cpu@0}>;
+
+ aliases {
+ ethernet0 = &EMAC0;
+ serial0 = &UART0;
+ serial1 = &UART1;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ model = "PowerPC,405EP";
+ reg = <0x00000000>;
+ clock-frequency = <0xbebc200>; /* Filled in by zImage */
+ timebase-frequency = <0>; /* Filled in by zImage */
+ i-cache-line-size = <20>;
+ d-cache-line-size = <20>;
+ i-cache-size = <4000>;
+ d-cache-size = <4000>;
+ dcr-controller;
+ dcr-access-method = "native";
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000>; /* Filled in by zImage */
+ };
+
+ UIC0: interrupt-controller {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <0>;
+ dcr-reg = <0x0c0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ };
+
+ plb {
+ compatible = "ibm,plb3";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ SDRAM0: memory-controller {
+ compatible = "ibm,sdram-405ep";
+ dcr-reg = <0x010 0x002>;
+ };
+
+ MAL: mcmal {
+ compatible = "ibm,mcmal-405ep", "ibm,mcmal";
+ dcr-reg = <0x180 0x062>;
+ num-tx-chans = <4>;
+ num-rx-chans = <2>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <
+ 0xb 0x4 /* TXEOB */
+ 0xc 0x4 /* RXEOB */
+ 0xa 0x4 /* SERR */
+ 0xd 0x4 /* TXDE */
+ 0xe 0x4 /* RXDE */>;
+ };
+
+ OPB0: opb {
+ compatible = "ibm,opb-405ep", "ibm,opb";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0xef600000 0xef600000 0x00a00000>;
+ dcr-reg = <0x0a0 0x005>;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ UART0: serial@ef600300 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600300 0x00000008>;
+ virtual-reg = <0xef600300>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ current-speed = <115200>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x0 0x4>;
+ };
+
+ UART1: serial@ef600400 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600400 0x00000008>;
+ virtual-reg = <0xef600400>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ current-speed = <115200>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1 0x4>;
+ };
+
+ IIC: i2c@ef600500 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "ibm,iic-405ep", "ibm,iic";
+ reg = <0xef600500 0x00000011>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x2 0x4>;
+
+ eeprom@50 {
+ compatible = "at24,24c16";
+ reg = <0x50>;
+ };
+ };
+
+ GPIO0: gpio-controller@ef600700 {
+ compatible = "ibm,ppc4xx-gpio";
+ reg = <0xef600700 0x00000020>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
+
+ EMAC0: ethernet@ef600800 {
+ linux,network-index = <0x0>;
+ device_type = "network";
+ compatible = "ibm,emac-405ep", "ibm,emac";
+ interrupt-parent = <&UIC0>;
+ interrupts = <
+ 0xf 0x4 /* Ethernet */
+ 0x9 0x4 /* Ethernet Wake Up */>;
+ local-mac-address = [000000000000]; /* Filled in by zImage */
+ reg = <0xef600800 0x00000070>;
+ mal-device = <&MAL>;
+ mal-tx-channel = <0>;
+ mal-rx-channel = <0>;
+ cell-index = <0>;
+ max-frame-size = <0x5dc>;
+ rx-fifo-size = <0x1000>;
+ tx-fifo-size = <0x800>;
+ phy-mode = "mii";
+ phy-map = <0x00000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ user {
+ label = "openrb:green:user";
+ gpios = <&GPIO0 2 1>;
+ };
+ };
+ };
+
+ EBC0: ebc {
+ compatible = "ibm,ebc-405ep", "ibm,ebc";
+ dcr-reg = <0x012 0x002>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ /* The ranges property is supplied by the bootwrapper
+ * and is based on the firmware's configuration of the
+ * EBC bridge
+ */
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ nor_flash@ff800000 {
+ compatible = "cfi-flash";
+ bank-width = <2>;
+ reg = <0x00000000 0xff800000 0x00800000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "linux";
+ reg = <0x0 0x120000>;
+ };
+ partition@120000 {
+ label = "rootfs";
+ reg = <0x120000 0x6a0000>;
+ };
+ partition@7c0000 {
+ label = "u-boot";
+ reg = <0x7c0000 0x30000>;
+ read-only;
+ };
+ };
+ };
+
+ PCI0: pci@ec000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
+ primary;
+ reg = <0xeec00000 0x00000008 /* Config space access */
+ 0xeed80000 0x00000004 /* IACK */
+ 0xeed80000 0x00000004 /* Special cycle */
+ 0xef480000 0x00000040>; /* Internal registers */
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed. Chip supports a second
+ * IO range but we don't use it for now
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
+ 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
+
+ interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
+ interrupt-map = <
+ /* IDSEL 1 */
+ 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
+
+ /* IDSEL 2 */
+ 0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
+
+ /* IDSEL 3 */
+ 0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
+
+ /* IDSEL 4 */
+ 0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
+ >;
+ };
+ };
+
+ chosen {
+ linux,stdout-path = "/plb/opb/serial@ef600300";
+ };
+};