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Commit 11c146cc authored by Scott Wood's avatar Scott Wood Committed by Kumar Gala
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[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: default avatarScott Wood <scottwood@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 20906ece

arch/powerpc/boot/Makefile

+3 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/boot/dts/ep88xc.dts

0 → 100644
+203 −0
Original line number Diff line number Diff line 
/*

 * 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 = <d#16>;

			i-cache-line-size = <d#16>;

			d-cache-size = <d#8192>;

			i-cache-size = <d#8192>;

			timebase-frequency = <0>;

			bus-frequency = <0>;

			clock-frequency = <0>;

			interrupts = <f 2>;	// 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 = <fa200100 40>;



		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 = <fa200000 4000>;



		mdio@e00 {

			compatible = "fsl,mpc885-fec-mdio", "fsl,pq1-fec-mdio";

			reg = <e00 188>;

			#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 = <e00 188>;

			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 = <d 1>;

		};



		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 = <a80 10 3e80 40>;

				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 = <a20 20 3d00 80>;

				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 = <a00 18 1c00 80>;

				interrupt-parent = <&CPM_PIC>;

				interrupts = <1e>;

				fsl,cpm-command = <0000>;

			};

		};

	};

};

arch/powerpc/boot/ep88xc.c

0 → 100644
+54 −0
Original line number Diff line number Diff line 
/*

 * Embedded Planet EP88xC with PlanetCore firmware

 *

 * Author: Scott Wood <scottwood@freescale.com>

 *

 * 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;

}

arch/powerpc/boot/fixed-head.S

0 → 100644
+4 −0
Original line number Diff line number Diff line 
	.text

	.global _zimage_start

_zimage_start:

	b	_zimage_start_lib

arch/powerpc/boot/wrapper

+14 −6
Original line number Diff line number Diff line
@@ -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)