path: root/target/linux/ppc40x/patches/005-openrb.patch

--- /dev/null
+++ b/arch/powerpc/boot/cuboot-openrb.c
@@ -0,0 +1,71 @@
+/*
+ * Old U-boot compatibility for OpenRB boards
+ *
+ * Author: Gabor Juhos <juhosg@openwrt.org>
+ *         Imre Kaloz <kaloz@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 fixup_cf_card(void)
+{
+#define DCRN_CPC0_PCI_BASE	0xf9
+#define CF_CS0_BASE		0xff100000
+#define CF_CS1_BASE		0xff200000
+
+	/* Turn on PerWE instead of PCIsomething */
+	mtdcr(DCRN_CPC0_PCI_BASE,
+	      mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
+
+	/* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
+	mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
+	mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
+	mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
+	mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
+
+	/* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
+	mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
+	mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
+	mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
+	mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
+
+#undef DCRN_CPC0_PCI_BASE
+#undef CF_CS0_BASE
+#undef CF_CS1_BASE
+}
+
+static void openrb_fixups(void)
+{
+	ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
+	ibm4xx_sdram_fixup_memsize();
+
+	fixup_cf_card();
+
+	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_fixups;
+	platform_ops.exit = ibm40x_dbcr_reset;
+	fdt_init(_dtb_start);
+	serial_console_init();
+}
--- /dev/null
+++ b/arch/powerpc/boot/dts/openrb.dts
@@ -0,0 +1,276 @@
+/*
+ * Device Tree Source for OpenRB boards
+ *
+ * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright 2009 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Based on walnut.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";
+	compatible = "openrb";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		ethernet1 = &EMAC1;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,405EP";
+			reg = <0x00000000>;
+			clock-frequency = <0>; /* Filled in by zImage */
+			timebase-frequency = <0>; /* Filled in by zImage */
+			i-cache-line-size = <0x20>;
+			d-cache-line-size = <0x20>;
+			i-cache-size = <0x4000>;
+			d-cache-size = <0x4000>;
+			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 */>;
+		};
+
+		POB0: 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 {
+				compatible = "ibm,iic-405ep", "ibm,iic";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				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>;
+			};
+
+			EMAC1: ethernet@ef600900 {
+				linux,network-index = <0x1>;
+				device_type = "network";
+				compatible = "ibm,emac-405ep", "ibm,emac";
+				interrupt-parent = <&UIC0>;
+				interrupts = <
+					0x11 0x4 /* Ethernet */
+					0x09 0x4 /* Ethernet Wake Up */>;
+				local-mac-address = [000000000000]; /* Filled in by zImage */
+				reg = <0xef600900 0x00000070>;
+				mal-device = <&MAL>;
+				mal-tx-channel = <2>;
+				mal-rx-channel = <1>;
+				cell-index = <1>;
+				max-frame-size = <0x5dc>;
+				rx-fifo-size = <0x1000>;
+				tx-fifo-size = <0x800>;
+				mdio-device = <&EMAC0>;
+				phy-mode = "mii";
+				phy-map = <0x00000001>;
+			};
+
+			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 */
+
+			cf_card@ff100000 {
+				compatible = "magicbox-cf", "pata-magicbox-cf";
+				reg = <0x00000000 0xff100000 0x00001000
+				       0x00000000 0xff200000 0x00001000>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
+			};
+
+			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 0x140000>;
+				};
+				partition@120000 {
+					label = "rootfs";
+					reg = <0x140000 0x680000>;
+				};
+				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";
+	};
+};
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -44,6 +44,7 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += -
 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-openrb.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 
@@ -78,7 +79,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
 		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-kilauea.c \
-		cuboot-magicbox.c
+		cuboot-magicbox.c cuboot-openrb.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -197,6 +198,7 @@ image-$(CONFIG_HOTFOOT)			+= cuImage.hot
 image-$(CONFIG_WALNUT)			+= treeImage.walnut
 image-$(CONFIG_ACADIA)			+= cuImage.acadia
 image-$(CONFIG_MAGICBOX)		+= cuImage.magicbox
+image-$(CONFIG_OPENRB)			+= cuImage.openrb
 
 # 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
@@ -70,6 +70,16 @@ config MAGICBOX
 	help
 	  This option enables support for the Magicbox boards.
 
+config OPENRB
+	bool "OpenRB"
+	depends on 40x
+	default n
+	select PPC40x_SIMPLE
+	select 405EP
+	select PCI
+	help
+	  This option enables support for the OpenRB boards.
+
 config MAKALU
 	bool "Makalu"
 	depends on 40x
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -56,7 +56,8 @@ static char *board[] __initdata = {
 	"amcc,kilauea",
 	"amcc,makalu",
 	"est,hotfoot",
-	"magicbox"
+	"magicbox",
+	"openrb"
 };
 
 static int __init ppc40x_probe(void)