From 11c146cc19df337f4af42dade9e4fca33c5a54ee Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Fri, 14 Sep 2007 14:58:25 -0500 Subject: [POWERPC] 8xx/wrapper: Embedded Planet EP88xC support This board is also resold by Freescale under the names "QUICCStart MPC885 Evaluation System" and "CWH-PPC-885XN-VE". Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/boot/Makefile | 4 +- arch/powerpc/boot/dts/ep88xc.dts | 203 +++++++++++++++++++++++++++++++++++++++ arch/powerpc/boot/ep88xc.c | 54 +++++++++++ arch/powerpc/boot/fixed-head.S | 4 + arch/powerpc/boot/wrapper | 20 ++-- 5 files changed, 278 insertions(+), 7 deletions(-) create mode 100644 arch/powerpc/boot/dts/ep88xc.dts create mode 100644 arch/powerpc/boot/ep88xc.c create mode 100644 arch/powerpc/boot/fixed-head.S (limited to 'arch/powerpc/boot') diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 6d1935a06ee1..a90baa3aff23 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -51,7 +51,8 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.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 + cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \ + fixed-head.S ep88xc.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -144,6 +145,7 @@ image-$(CONFIG_DEFAULT_UIMAGE) += uImage ifneq ($(CONFIG_DEVICE_TREE),"") image-$(CONFIG_PPC_8xx) += cuImage.8xx +image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc image-$(CONFIG_8260) += cuImage.pq2 image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx image-$(CONFIG_PPC_83xx) += cuImage.83xx diff --git a/arch/powerpc/boot/dts/ep88xc.dts b/arch/powerpc/boot/dts/ep88xc.dts new file mode 100644 index 000000000000..0406fc50b2af --- /dev/null +++ b/arch/powerpc/boot/dts/ep88xc.dts @@ -0,0 +1,203 @@ +/* + * EP88xC Device Tree Source + * + * 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. + */ + + +/ { + model = "EP88xC"; + compatible = "fsl,ep88xc"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,885@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = ; + i-cache-line-size = ; + d-cache-size = ; + i-cache-size = ; + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + interrupts = ; // decrementer interrupt + interrupt-parent = <&PIC>; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0>; + }; + + localbus@fa200100 { + compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus"; + #address-cells = <2>; + #size-cells = <1>; + reg = ; + + ranges = < + 0 0 fc000000 04000000 + 3 0 fa000000 01000000 + >; + + flash@0,2000000 { + compatible = "cfi-flash"; + reg = <0 2000000 2000000>; + bank-width = <4>; + device-width = <2>; + }; + + board-control@3,400000 { + reg = <3 400000 10>; + compatible = "fsl,ep88xc-bcsr"; + }; + }; + + soc@fa200000 { + compatible = "fsl,mpc885", "fsl,pq1-soc"; + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + ranges = <0 fa200000 00004000>; + bus-frequency = <0>; + + // Temporary -- will go away once kernel uses ranges for get_immrbase(). + reg = ; + + mdio@e00 { + compatible = "fsl,mpc885-fec-mdio", "fsl,pq1-fec-mdio"; + reg = ; + #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"; + }; + }; + + ethernet@e00 { + device_type = "network"; + compatible = "fsl,mpc885-fec-enet", + "fsl,pq1-fec-enet"; + reg = ; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <3 1>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY0>; + linux,network-index = <0>; + }; + + ethernet@1e00 { + device_type = "network"; + compatible = "fsl,mpc885-fec-enet", + "fsl,pq1-fec-enet"; + reg = <1e00 188>; + 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 24>; + compatible = "fsl,mpc885-pic", "fsl,pq1-pic"; + }; + + pcmcia@80 { + #address-cells = <3>; + #interrupt-cells = <1>; + #size-cells = <2>; + compatible = "fsl,pq-pcmcia"; + device_type = "pcmcia"; + reg = <80 80>; + interrupt-parent = <&PIC>; + interrupts = ; + }; + + cpm@9c0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc885-cpm", "fsl,cpm1"; + command-proc = <9c0>; + interrupts = <0>; // cpm error interrupt + interrupt-parent = <&CPM_PIC>; + reg = <9c0 40 2000 1c00>; + ranges; + + brg@9f0 { + compatible = "fsl,mpc885-brg", + "fsl,cpm1-brg", + "fsl,cpm-brg"; + reg = <9f0 10>; + }; + + CPM_PIC: interrupt-controller@930 { + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <5 2 0 2>; + interrupt-parent = <&PIC>; + reg = <930 20>; + compatible = "fsl,mpc885-cpm-pic", + "fsl,cpm1-pic"; + }; + + // MON-1 + serial@a80 { + device_type = "serial"; + compatible = "fsl,mpc885-smc-uart", + "fsl,cpm1-smc-uart"; + reg = ; + interrupts = <4>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <1>; + fsl,cpm-command = <0090>; + linux,planetcore-label = "SMC1"; + }; + + // SER-1 + serial@a20 { + device_type = "serial"; + compatible = "fsl,mpc885-scc-uart", + "fsl,cpm1-scc-uart"; + reg = ; + interrupts = <1d>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <2>; + fsl,cpm-command = <0040>; + linux,planetcore-label = "SCC2"; + }; + + usb@a00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,mpc885-usb", + "fsl,cpm1-usb"; + reg = ; + interrupt-parent = <&CPM_PIC>; + interrupts = <1e>; + fsl,cpm-command = <0000>; + }; + }; + }; +}; diff --git a/arch/powerpc/boot/ep88xc.c b/arch/powerpc/boot/ep88xc.c new file mode 100644 index 000000000000..6b87cdce3fe7 --- /dev/null +++ b/arch/powerpc/boot/ep88xc.c @@ -0,0 +1,54 @@ +/* + * Embedded Planet EP88xC with PlanetCore firmware + * + * 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 "planetcore.h" +#include "mpc8xx.h" + +static char *table; +static u64 mem_size; + +static void platform_fixups(void) +{ + u64 val; + + dt_fixup_memory(0, mem_size); + planetcore_set_mac_addrs(table); + + if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) { + printf("No PlanetCore crystal frequency key.\r\n"); + return; + } + + mpc885_fixup_clocks(val); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + table = (char *)r3; + planetcore_prepare_table(table); + + if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size)) + return; + + mem_size *= 1024 * 1024; + simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); + + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + + planetcore_set_stdout_path(table); + + serial_console_init(); + platform_ops.fixups = platform_fixups; +} diff --git a/arch/powerpc/boot/fixed-head.S b/arch/powerpc/boot/fixed-head.S new file mode 100644 index 000000000000..8e14cd9e1a54 --- /dev/null +++ b/arch/powerpc/boot/fixed-head.S @@ -0,0 +1,4 @@ + .text + .global _zimage_start +_zimage_start: + b _zimage_start_lib diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 65f685479175..39b27e5ef6c1 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -29,6 +29,7 @@ initrd= dtb= dts= cacheit= +binary= gzip=.gz # cross-compilation prefix @@ -142,17 +143,23 @@ miboot|uboot) isection=initrd ;; cuboot*) + binary=y gzip= ;; ps3) platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" lds=$object/zImage.ps3.lds + binary=y gzip= ext=bin objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" ksection=.kernel:vmlinux.bin isection=.kernel:initrd ;; +ep88xc) + platformo="$object/fixed-head.o $object/$platform.o" + binary=y + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" @@ -224,6 +231,11 @@ fi base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` +if [ -n "$binary" ]; then + mv "$ofile" "$ofile".elf + ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin +fi + # post-processing needed for some platforms case "$platform" in pseries|chrp) @@ -234,8 +246,6 @@ coff) $object/hack-coff "$ofile" ;; cuboot*) - mv "$ofile" "$ofile".elf - ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin gzip -f -9 "$ofile".bin mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ $uboot_version -d "$ofile".bin.gz "$ofile" @@ -259,11 +269,11 @@ ps3) # then copied to offset 0x100. At runtime the bootwrapper program # copies the 0x100 bytes at __system_reset_kernel to addr 0x100. - system_reset_overlay=0x`${CROSS}nm "$ofile" \ + system_reset_overlay=0x`${CROSS}nm "$ofile".elf \ | grep ' __system_reset_overlay$' \ | cut -d' ' -f1` system_reset_overlay=`printf "%d" $system_reset_overlay` - system_reset_kernel=0x`${CROSS}nm "$ofile" \ + system_reset_kernel=0x`${CROSS}nm "$ofile".elf \ | grep ' __system_reset_kernel$' \ | cut -d' ' -f1` system_reset_kernel=`printf "%d" $system_reset_kernel` @@ -272,8 +282,6 @@ ps3) rm -f "$object/otheros.bld" - ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" - msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ skip=$overlay_dest seek=$system_reset_kernel \ count=$overlay_size bs=1 2>&1) -- cgit v1.2.3-59-g8ed1b