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openwrt-mirror/target/linux/ppc40x/patches/005-openrb.patch
Gabor Juhos 3669209288 ppc40x: add isp116x-hcd to the device tree for the OpenRB board 
Cc: backfire@openwrt.org

SVN-Revision: 20932
2010-04-16 18:40:10 +00:00

450 lines
12 KiB
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--- /dev/null
+++ b/arch/powerpc/boot/cuboot-openrb.c
@@ -0,0 +1,94 @@
+/*
+ * 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_perwe(void)
+{
+#define DCRN_CPC0_PCI_BASE 0xf9
+
+ /* Turn on PerWE instead of PCIINT */
+ mtdcr(DCRN_CPC0_PCI_BASE,
+ mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
+
+#undef DCRN_CPC0_PCI_BASE
+}
+
+static void fixup_cf_card(void)
+{
+#define CF_CS0_BASE 0xff100000
+#define CF_CS1_BASE 0xff200000
+
+ /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
+ mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BS_1M |
+ 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_BS_1M |
+ EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
+ mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
+
+#undef CF_CS0_BASE
+#undef CF_CS1_BASE
+}
+
+static void fixup_isp116x(void)
+{
+#define ISP116X_CS_BASE 0xf0000000
+
+ /* PerCS3 (ISP1160's CS): base 0xf0000000, size 32MB, 16-bit, rw */
+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B3CR);
+ mtdcr(DCRN_EBC0_CFGDATA, ISP116X_CS_BASE | EBC_BXCR_BS_32M |
+ EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B3AP);
+ mtdcr(DCRN_EBC0_CFGDATA, 0x03016600);
+
+#undef ISP116X_CS_BASE
+}
+
+static void openrb_fixups(void)
+{
+ ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
+ ibm4xx_sdram_fixup_memsize();
+
+ fixup_perwe();
+ fixup_cf_card();
+ fixup_isp116x();
+
+ 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 +1,291 @@
+/*
+ * 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 */
+
+ isp116x@f0000000 {
+ compatible = "isp116x-hcd";
+ oc_enable;
+ int_act_high;
+ int_edge_triggered;
+ reg = <0x00000000 0xf0000000 0x00000002 /* data */
+ 0x00000000 0xf1000000 0x00000002 /* addr */ >;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1b 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
+ };
+
+ 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>;
+ partition0@0 {
+ label = "linux";
+ reg = <0x0 0x140000>;
+ };
+ partition1@120000 {
+ label = "rootfs";
+ reg = <0x140000 0x680000>;
+ };
+ partition2@7c0000 {
+ label = "u-boot";
+ reg = <0x7c0000 0x30000>;
+ read-only;
+ };
+ partition3@0 {
+ label = "firmware";
+ reg = <0x0 0x7c0000>;
+ };
+ };
+ };
+
+ 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)
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