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authorPaul Mackerras <paulus@samba.org>2008-06-30 09:57:05 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-30 09:57:05 +1000
commit441dbb500b4344a8e3125e5aabab4f9dbf72514f (patch)
tree3bb8fb1a88db3f5d03062a4887312f25c2e8041d /arch/powerpc/boot
parentdee805532a30183c4462305b4614e58bd83a7bc1 (diff)
parent5ce4b59653b2c2053cd9a011918ac1e4747f24cc (diff)
Merge branch 'next' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r--arch/powerpc/boot/Makefile3
-rw-r--r--arch/powerpc/boot/cuboot-sam440ep.c49
-rw-r--r--arch/powerpc/boot/dts/sam440ep.dts293
-rw-r--r--arch/powerpc/boot/dts/taishan.dts29
4 files changed, 372 insertions, 2 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 25d9fb0433f..3463253893f 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -66,7 +66,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \
cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
- virtex405-head.S redboot-83xx.c
+ virtex405-head.S redboot-83xx.c cuboot-sam440ep.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -213,6 +213,7 @@ image-$(CONFIG_WALNUT) += treeImage.walnut
# Board ports in arch/powerpc/platform/44x/Kconfig
image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
+image-$(CONFIG_SAM440EP) += cuImage.sam440ep
image-$(CONFIG_SEQUOIA) += cuImage.sequoia
image-$(CONFIG_RAINIER) += cuImage.rainier
image-$(CONFIG_TAISHAN) += cuImage.taishan
diff --git a/arch/powerpc/boot/cuboot-sam440ep.c b/arch/powerpc/boot/cuboot-sam440ep.c
new file mode 100644
index 00000000000..ec10a47460d
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-sam440ep.c
@@ -0,0 +1,49 @@
+/*
+ * Old U-boot compatibility for Sam440ep based off bamboo.c code
+ * original copyrights below
+ *
+ * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Copyright 2007 IBM Corporation
+ *
+ * Based on cuboot-ebony.c
+ *
+ * Modified from cuboot-bamboo.c for sam440ep:
+ * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
+ *
+ * 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 "44x.h"
+#include "4xx.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void sam440ep_fixups(void)
+{
+ unsigned long sysclk = 66666666;
+
+ ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
+ ibm4xx_sdram_fixup_memsize();
+ ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
+ 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 = sam440ep_fixups;
+ platform_ops.exit = ibm44x_dbcr_reset;
+ fdt_init(_dtb_start);
+ serial_console_init();
+}
diff --git a/arch/powerpc/boot/dts/sam440ep.dts b/arch/powerpc/boot/dts/sam440ep.dts
new file mode 100644
index 00000000000..f0663be1042
--- /dev/null
+++ b/arch/powerpc/boot/dts/sam440ep.dts
@@ -0,0 +1,293 @@
+/*
+ * Device Tree Source for ACube Sam440ep based off bamboo.dts code
+ * original copyrights below
+ *
+ * Copyright (c) 2006, 2007 IBM Corp.
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Modified from bamboo.dts for sam440ep:
+ * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
+ *
+ * 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 = <2>;
+ #size-cells = <1>;
+ model = "acube,sam440ep";
+ compatible = "acube,sam440ep";
+
+ aliases {
+ ethernet0 = &EMAC0;
+ ethernet1 = &EMAC1;
+ serial0 = &UART0;
+ serial1 = &UART1;
+ serial2 = &UART2;
+ serial3 = &UART3;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ model = "PowerPC,440EP";
+ reg = <0>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ timebase-frequency = <0>; /* Filled in by zImage */
+ i-cache-line-size = <32>;
+ d-cache-line-size = <32>;
+ i-cache-size = <32768>;
+ d-cache-size = <32768>;
+ dcr-controller;
+ dcr-access-method = "native";
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0 0 0>; /* Filled in by zImage */
+ };
+
+ UIC0: interrupt-controller0 {
+ compatible = "ibm,uic-440ep","ibm,uic";
+ interrupt-controller;
+ cell-index = <0>;
+ dcr-reg = <0x0c0 9>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ };
+
+ UIC1: interrupt-controller1 {
+ compatible = "ibm,uic-440ep","ibm,uic";
+ interrupt-controller;
+ cell-index = <1>;
+ dcr-reg = <0x0d0 9>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ interrupts = <0x1e 4 0x1f 4>; /* cascade */
+ interrupt-parent = <&UIC0>;
+ };
+
+ SDR0: sdr {
+ compatible = "ibm,sdr-440ep";
+ dcr-reg = <0x00e 2>;
+ };
+
+ CPR0: cpr {
+ compatible = "ibm,cpr-440ep";
+ dcr-reg = <0x00c 2>;
+ };
+
+ plb {
+ compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ SDRAM0: sdram {
+ compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
+ dcr-reg = <0x010 2>;
+ };
+
+ DMA0: dma {
+ compatible = "ibm,dma-440ep", "ibm,dma-440gp";
+ dcr-reg = <0x100 0x027>;
+ };
+
+ MAL0: mcmal {
+ compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
+ dcr-reg = <0x180 0x062>;
+ num-tx-chans = <4>;
+ num-rx-chans = <2>;
+ interrupt-parent = <&MAL0>;
+ interrupts = <0 1 2 3 4>;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ interrupt-map = </*TXEOB*/ 0 &UIC0 10 4
+ /*RXEOB*/ 1 &UIC0 11 4
+ /*SERR*/ 2 &UIC1 0 4
+ /*TXDE*/ 3 &UIC1 1 4
+ /*RXDE*/ 4 &UIC1 2 4>;
+ };
+
+ POB0: opb {
+ compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ /* Bamboo is oddball in the 44x world and doesn't use the ERPN
+ * bits.
+ */
+ ranges = <0x00000000 0 0x00000000 0x80000000
+ 0x80000000 0 0x80000000 0x80000000>;
+ interrupt-parent = <&UIC1>;
+ interrupts = <7 4>;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ EBC0: ebc {
+ compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
+ dcr-reg = <0x012 2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ interrupts = <5 1>;
+ interrupt-parent = <&UIC1>;
+ };
+
+ UART0: serial@ef600300 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600300 8>;
+ virtual-reg = <0xef600300>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ current-speed = <0x1c200>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0 4>;
+ };
+
+ UART1: serial@ef600400 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600400 8>;
+ virtual-reg = <0xef600400>;
+ clock-frequency = <0>;
+ current-speed = <0>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <1 4>;
+ };
+
+ UART2: serial@ef600500 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600500 8>;
+ virtual-reg = <0xef600500>;
+ clock-frequency = <0>;
+ current-speed = <0>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <3 4>;
+ };
+
+ UART3: serial@ef600600 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600600 8>;
+ virtual-reg = <0xef600600>;
+ clock-frequency = <0>;
+ current-speed = <0>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <4 4>;
+ };
+
+ IIC0: i2c@ef600700 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
+ index = <0>;
+ reg = <0xef600700 0x14>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <2 4>;
+ rtc@68 {
+ compatible = "stm,m41t80";
+ reg = <0x68>;
+ };
+ };
+
+ IIC1: i2c@ef600800 {
+ compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
+ index = <5>;
+ reg = <0xef600800 0x14>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <7 4>;
+ };
+
+ ZMII0: emac-zmii@ef600d00 {
+ compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
+ reg = <0xef600d00 0xc>;
+ };
+
+ EMAC0: ethernet@ef600e00 {
+ linux,network-index = <0>;
+ device_type = "network";
+ compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
+ interrupt-parent = <&UIC1>;
+ interrupts = <0x1c 4 0x1d 4>;
+ reg = <0xef600e00 0x70>;
+ local-mac-address = [000000000000];
+ mal-device = <&MAL0>;
+ mal-tx-channel = <0 1>;
+ mal-rx-channel = <0>;
+ cell-index = <0>;
+ max-frame-size = <0x5dc>;
+ rx-fifo-size = <0x1000>;
+ tx-fifo-size = <0x800>;
+ phy-mode = "rmii";
+ phy-map = <00000000>;
+ zmii-device = <&ZMII0>;
+ zmii-channel = <0>;
+ };
+
+ EMAC1: ethernet@ef600f00 {
+ linux,network-index = <1>;
+ device_type = "network";
+ compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
+ interrupt-parent = <&UIC1>;
+ interrupts = <0x1e 4 0x1f 4>;
+ reg = <0xef600f00 0x70>;
+ local-mac-address = [000000000000];
+ mal-device = <&MAL0>;
+ mal-tx-channel = <2 3>;
+ mal-rx-channel = <1>;
+ cell-index = <1>;
+ max-frame-size = <0x5dc>;
+ rx-fifo-size = <0x1000>;
+ tx-fifo-size = <0x800>;
+ phy-mode = "rmii";
+ phy-map = <00000000>;
+ zmii-device = <&ZMII0>;
+ zmii-channel = <1>;
+ };
+ usb@ef601000 {
+ compatible = "ohci-be";
+ reg = <0xef601000 0x80>;
+ interrupts = <8 4 9 4>;
+ interrupt-parent = <&UIC1>;
+ };
+ };
+
+ PCI0: pci@ec000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
+ primary;
+ reg = <0 0xeec00000 8 /* Config space access */
+ 0 0xeed00000 4 /* IACK */
+ 0 0xeed00000 4 /* Special cycle */
+ 0 0xef400000 0x40>; /* 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 0 0xa0000000 0 0xa0000000 0 0x20000000
+ 0x01000000 0 0x00000000 0 0xe8000000 0 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0 0 0 0 0 0x80000000>;
+ };
+ };
+
+ chosen {
+ linux,stdout-path = "/plb/opb/serial@ef600300";
+ };
+};
diff --git a/arch/powerpc/boot/dts/taishan.dts b/arch/powerpc/boot/dts/taishan.dts
index dcb749884b6..d4867ded869 100644
--- a/arch/powerpc/boot/dts/taishan.dts
+++ b/arch/powerpc/boot/dts/taishan.dts
@@ -186,7 +186,34 @@
interrupts = <0x5 0x4>;
interrupt-parent = <&UIC1>;
- /* TODO: Add other EBC devices */
+ nor_flash@0,0 {
+ compatible = "cfi-flash";
+ bank-width = <4>;
+ device-width = <2>;
+ reg = <0x0 0x0 0x4000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "kernel";
+ reg = <0x0 0x180000>;
+ };
+ partition@180000 {
+ label = "root";
+ reg = <0x180000 0x200000>;
+ };
+ partition@380000 {
+ label = "user";
+ reg = <0x380000 0x3bc0000>;
+ };
+ partition@3f40000 {
+ label = "env";
+ reg = <0x3f40000 0x80000>;
+ };
+ partition@3fc0000 {
+ label = "u-boot";
+ reg = <0x3fc0000 0x40000>;
+ };
+ };
};