--- /dev/null +++ b/arch/powerpc/boot/cuboot-openrb.c @@ -0,0 +1,77 @@ +/* + * Old U-boot compatibility for OpenRB boards + * + * Author: Gabor Juhos + * Imre Kaloz + * + * 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_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 CF_CS0_BASE +#undef CF_CS1_BASE +} + +static void openrb_fixups(void) +{ + ibm405ep_fixup_clocks(bd.bi_procfreq / 8); + ibm4xx_sdram_fixup_memsize(); + + fixup_perwe(); + 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 +1,280 @@ +/* + * Device Tree Source for OpenRB boards + * + * Copyright 2009 Gabor Juhos + * Copyright 2009 Imre Kaloz + * + * 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>; + 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)