From b09c16440eb39c12cc91aea5b572c753a5567d57 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Thu, 17 Jan 2008 16:31:40 -0600 Subject: [POWERPC] 8xx: Analogue & Micro Adder875 board support. Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/boot/.gitignore | 1 + arch/powerpc/boot/Makefile | 6 +- arch/powerpc/boot/dts/adder875-redboot.dts | 184 +++++++++++++++++++++++++++++ arch/powerpc/boot/dts/adder875-uboot.dts | 183 ++++++++++++++++++++++++++++ arch/powerpc/boot/redboot-8xx.c | 58 +++++++++ arch/powerpc/boot/redboot.h | 56 +++++++++ arch/powerpc/boot/wrapper | 2 +- 7 files changed, 488 insertions(+), 2 deletions(-) create mode 100644 arch/powerpc/boot/dts/adder875-redboot.dts create mode 100644 arch/powerpc/boot/dts/adder875-uboot.dts create mode 100644 arch/powerpc/boot/redboot-8xx.c create mode 100644 arch/powerpc/boot/redboot.h (limited to 'arch/powerpc/boot') diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index b160322a87a..5ef2bdf8d18 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -31,6 +31,7 @@ zImage.*lds zImage.miboot zImage.pmac zImage.pseries +zImage.redboot* zImage.sandpoint zImage.vmode zconf.h diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index d1e625c073b..08bf7aa85c5 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -62,7 +62,7 @@ src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \ cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \ fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \ - cuboot-katmai.c cuboot-rainier.c + cuboot-katmai.c cuboot-rainier.c redboot-8xx.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -208,6 +208,10 @@ image-$(CONFIG_TAISHAN) += cuImage.taishan image-$(CONFIG_KATMAI) += cuImage.katmai endif +ifneq ($(CONFIG_REDBOOT),"") +image-$(CONFIG_PPC_8xx) += zImage.redboot-8xx +endif + # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. ifeq ($(CONFIG_PPC32),y) diff --git a/arch/powerpc/boot/dts/adder875-redboot.dts b/arch/powerpc/boot/dts/adder875-redboot.dts new file mode 100644 index 00000000000..8f7a79ffa3b --- /dev/null +++ b/arch/powerpc/boot/dts/adder875-redboot.dts @@ -0,0 +1,184 @@ +/* + * Device Tree Source for MPC885 ADS running RedBoot + * + * Copyright 2006 MontaVista Software, Inc. + * Copyright 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "Analogue & Micro Adder MPC875"; + compatible = "analogue-and-micro,adder875"; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + console = &console; + ethernet0 = ð0; + ethernet1 = ð1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,875@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <16>; + i-cache-line-size = <16>; + d-cache-size = <8192>; + i-cache-size = <8192>; + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + interrupts = <15 2>; // decrementer interrupt + interrupt-parent = <&PIC>; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0x01000000>; + }; + + localbus@fa200100 { + compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus", + "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0xfa200100 0x40>; + + ranges = < + 0 0 0xfe000000 0x00800000 + 2 0 0xfa100000 0x00008000 + >; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + bank-width = <4>; + device-width = <2>; + }; + }; + + soc@fa200000 { + compatible = "fsl,mpc875-immr", "fsl,pq1-soc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xfa200000 0x00004000>; + + // Temporary until code stops depending on it. + device_type = "soc"; + + // Temporary until get_immrbase() is fixed. + reg = <0xfa200000 0x4000>; + + mdio@e00 { + compatible = "fsl,mpc875-fec-mdio", "fsl,pq1-fec-mdio"; + reg = <0xe00 0x188>; + #address-cells = <1>; + #size-cells = <0>; + + PHY0: ethernet-phy@0 { + reg = <0>; + device_type = "ethernet-phy"; + }; + + PHY1: ethernet-phy@1 { + reg = <1>; + device_type = "ethernet-phy"; + }; + }; + + eth0: ethernet@e00 { + device_type = "network"; + compatible = "fsl,mpc875-fec-enet", + "fsl,pq1-fec-enet"; + reg = <0xe00 0x188>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <3 1>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY0>; + linux,network-index = <0>; + }; + + eth1: ethernet@1e00 { + device_type = "network"; + compatible = "fsl,mpc875-fec-enet", + "fsl,pq1-fec-enet"; + reg = <0x1e00 0x188>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <7 1>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY1>; + linux,network-index = <1>; + }; + + PIC: interrupt-controller@0 { + interrupt-controller; + #interrupt-cells = <2>; + reg = <0 0x24>; + compatible = "fsl,mpc875-pic", "fsl,pq1-pic"; + }; + + cpm@9c0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc875-cpm", "fsl,cpm1", "simple-bus"; + interrupts = <0>; // cpm error interrupt + interrupt-parent = <&CPM_PIC>; + reg = <0x9c0 0x40>; + ranges; + + muram { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x2000 0x2000>; + + data@0 { + compatible = "fsl,cpm-muram-data"; + reg = <0 0x1c00>; + }; + }; + + brg@9f0 { + compatible = "fsl,mpc875-brg", + "fsl,cpm1-brg", + "fsl,cpm-brg"; + reg = <0x9f0 0x10>; + }; + + CPM_PIC: interrupt-controller@930 { + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <5 2 0 2>; + interrupt-parent = <&PIC>; + reg = <0x930 0x20>; + compatible = "fsl,mpc875-cpm-pic", + "fsl,cpm1-pic"; + }; + + console: serial@a80 { + device_type = "serial"; + compatible = "fsl,mpc875-smc-uart", + "fsl,cpm1-smc-uart"; + reg = <0xa80 0x10 0x3e80 0x40>; + interrupts = <4>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <1>; + fsl,cpm-command = <0x0090>; + current-speed = <115200>; + }; + }; + }; + + chosen { + linux,stdout-path = &console; + }; +}; diff --git a/arch/powerpc/boot/dts/adder875-uboot.dts b/arch/powerpc/boot/dts/adder875-uboot.dts new file mode 100644 index 00000000000..60d4ad5a86d --- /dev/null +++ b/arch/powerpc/boot/dts/adder875-uboot.dts @@ -0,0 +1,183 @@ +/* + * Device Tree Source for MPC885 ADS running U-Boot + * + * Copyright 2006 MontaVista Software, Inc. + * Copyright 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "Analogue & Micro Adder MPC875"; + compatible = "analogue-and-micro,adder875"; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + console = &console; + ethernet0 = ð0; + ethernet1 = ð1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,875@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <16>; + i-cache-line-size = <16>; + d-cache-size = <8192>; + i-cache-size = <8192>; + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + interrupts = <15 2>; // decrementer interrupt + interrupt-parent = <&PIC>; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0x01000000>; + }; + + localbus@ff000100 { + compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus", + "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0xff000100 0x40>; + + ranges = < + 0 0 0xfe000000 0x01000000 + >; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + bank-width = <4>; + device-width = <2>; + }; + }; + + soc@ff000000 { + compatible = "fsl,mpc875-immr", "fsl,pq1-soc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xff000000 0x00004000>; + + // Temporary until code stops depending on it. + device_type = "soc"; + + // Temporary until get_immrbase() is fixed. + reg = <0xff000000 0x4000>; + + mdio@e00 { + compatible = "fsl,mpc875-fec-mdio", "fsl,pq1-fec-mdio"; + reg = <0xe00 0x188>; + #address-cells = <1>; + #size-cells = <0>; + + PHY0: ethernet-phy@0 { + reg = <0>; + device_type = "ethernet-phy"; + }; + + PHY1: ethernet-phy@1 { + reg = <1>; + device_type = "ethernet-phy"; + }; + }; + + eth0: ethernet@e00 { + device_type = "network"; + compatible = "fsl,mpc875-fec-enet", + "fsl,pq1-fec-enet"; + reg = <0xe00 0x188>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <3 1>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY0>; + linux,network-index = <0>; + }; + + eth1: ethernet@1e00 { + device_type = "network"; + compatible = "fsl,mpc875-fec-enet", + "fsl,pq1-fec-enet"; + reg = <0x1e00 0x188>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <7 1>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY1>; + linux,network-index = <1>; + }; + + PIC: interrupt-controller@0 { + interrupt-controller; + #interrupt-cells = <2>; + reg = <0 0x24>; + compatible = "fsl,mpc875-pic", "fsl,pq1-pic"; + }; + + cpm@9c0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc875-cpm", "fsl,cpm1", "simple-bus"; + interrupts = <0>; // cpm error interrupt + interrupt-parent = <&CPM_PIC>; + reg = <0x9c0 0x40>; + ranges; + + muram { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x2000 0x2000>; + + data@0 { + compatible = "fsl,cpm-muram-data"; + reg = <0 0x1c00>; + }; + }; + + brg@9f0 { + compatible = "fsl,mpc875-brg", + "fsl,cpm1-brg", + "fsl,cpm-brg"; + reg = <0x9f0 0x10>; + }; + + CPM_PIC: interrupt-controller@930 { + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <5 2 0 2>; + interrupt-parent = <&PIC>; + reg = <0x930 0x20>; + compatible = "fsl,mpc875-cpm-pic", + "fsl,cpm1-pic"; + }; + + console: serial@a80 { + device_type = "serial"; + compatible = "fsl,mpc875-smc-uart", + "fsl,cpm1-smc-uart"; + reg = <0xa80 0x10 0x3e80 0x40>; + interrupts = <4>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <1>; + fsl,cpm-command = <0x0090>; + current-speed = <115200>; + }; + }; + }; + + chosen { + linux,stdout-path = &console; + }; +}; diff --git a/arch/powerpc/boot/redboot-8xx.c b/arch/powerpc/boot/redboot-8xx.c new file mode 100644 index 00000000000..f7945adc800 --- /dev/null +++ b/arch/powerpc/boot/redboot-8xx.c @@ -0,0 +1,58 @@ +/* + * RedBoot firmware support + * + * Author: Scott Wood + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * 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 "redboot.h" +#include "fsl-soc.h" +#include "io.h" + +static bd_t bd; +BSS_STACK(4096); + +#define MHZ(x) ((x + 500000) / 1000000) + +static void platform_fixups(void) +{ + void *node; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq); + + node = finddevice("/soc/cpm/brg"); + if (node) { + printf("BRG clock-frequency <- 0x%x (%dMHz)\r\n", + bd.bi_busfreq, MHZ(bd.bi_busfreq)); + setprop(node, "clock-frequency", &bd.bi_busfreq, 4); + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + memcpy(&bd, (char *)r3, sizeof(bd)); + + if (bd.bi_tag != 0x42444944) + return; + + simple_alloc_init(_end, + bd.bi_memstart + bd.bi_memsize - (unsigned long)_end, + 32, 64); + + fdt_init(_dtb_start); + serial_console_init(); + platform_ops.fixups = platform_fixups; + + loader_info.cmdline = (char *)bd.bi_cmdline; + loader_info.cmdline_len = strlen((char *)bd.bi_cmdline); +} diff --git a/arch/powerpc/boot/redboot.h b/arch/powerpc/boot/redboot.h new file mode 100644 index 00000000000..ace0b7fed8e --- /dev/null +++ b/arch/powerpc/boot/redboot.h @@ -0,0 +1,56 @@ +#ifndef _PPC_REDBOOT_H +#define _PPC_REDBOOT_H + +//========================================================================= +// include/asm-ppc/redboot.h +// Copyright (c) 2002, 2003 Gary Thomas ( +// Copyright (c) 1997 Dan Malek (dmalek@jlc.net) + +// +// Board specific details, as provided by RedBoot +// + +/* A Board Information structure that is given to a program when + * RedBoot starts it up. Note: not all fields make sense for all + * architectures and it's up to the platform specific code to fill + * in the details. + */ +typedef struct bd_info { + unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ + unsigned int bi_size; /* Size of this structure */ + unsigned int bi_revision; /* revision of this structure */ + unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ + unsigned int bi_memstart; /* Memory start address */ + unsigned int bi_memsize; /* Memory (end) size in bytes */ + unsigned int bi_intfreq; /* Internal Freq, in Hz */ + unsigned int bi_busfreq; /* Bus Freq, in Hz */ + unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ + unsigned int bi_brgfreq; /* BRG Freq, in Hz */ + unsigned int bi_vco; /* VCO Out from PLL */ + unsigned int bi_pci_freq; /* PCI Freq, in Hz */ + unsigned int bi_baudrate; /* Default console baud rate */ + unsigned int bi_immr; /* IMMR when called from boot rom */ + unsigned char bi_enetaddr[6]; + unsigned int bi_flashbase; /* Physical address of FLASH memory */ + unsigned int bi_flashsize; /* Length of FLASH memory */ + int bi_flashwidth; /* Width (8,16,32,64) */ + unsigned char *bi_cmdline; /* Pointer to command line */ + unsigned char bi_esa[3][6]; /* Ethernet station addresses */ + unsigned int bi_ramdisk_begin, bi_ramdisk_end; + struct { /* Information about [main] video screen */ + short x_res; /* Horizontal resolution in pixels */ + short y_res; /* Vertical resolution in pixels */ + short bpp; /* Bits/pixel */ + short mode; /* Type of pixels (packed, indexed) */ + unsigned long fb; /* Pointer to frame buffer (pixel) memory */ + } bi_video; + void (*bi_cputc)(char); /* Write a character to the RedBoot console */ + char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ + int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ +} bd_t; + +#define BI_REV 0x0102 /* Version 1.02 */ + +#define bi_pci_busfreq bi_pci_freq +#define bi_immr_base bi_immr +#endif diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 154df055aad..a7c46715af1 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -168,7 +168,7 @@ ps3) ksection=.kernel:vmlinux.bin isection=.kernel:initrd ;; -ep88xc|ep405) +ep88xc|ep405|redboot*) platformo="$object/fixed-head.o $object/$platform.o" binary=y ;; -- cgit v1.2.3