powerpc/4xx: Sam440ep support (b6014e15) · Commits · e / devices / android_kernel_teracube_2e

arch/powerpc/boot/Makefile

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arch/powerpc/boot/cuboot-sam440ep.c

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			/*
			* Old U-boot compatibility for Sam440ep based off bamboo.c code
			* original copyrights below
			*
			* Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
			*
			* Copyright 2007 IBM Corporation
			*
			* Based on cuboot-ebony.c
			*
			* Modified from cuboot-bamboo.c for sam440ep:
			* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
			*
			* 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 "44x.h"
			#include "4xx.h"
			#include "cuboot.h"

			#define TARGET_4xx
			#define TARGET_44x
			#include "ppcboot.h"

			static bd_t bd;

			static void sam440ep_fixups(void)
			{
			unsigned long sysclk = 66666666;

			ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
			ibm4xx_sdram_fixup_memsize();
			ibm4xx_quiesce_eth((u32 )0xef600e00, (u32 )0xef600f00);
			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 = sam440ep_fixups;
			platform_ops.exit = ibm44x_dbcr_reset;
			fdt_init(_dtb_start);
			serial_console_init();
			}

arch/powerpc/boot/dts/sam440ep.dts

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			/*
			* Device Tree Source for ACube Sam440ep based off bamboo.dts code
			* original copyrights below
			*
			* Copyright (c) 2006, 2007 IBM Corp.
			* Josh Boyer <jwboyer@linux.vnet.ibm.com>
			*
			* Modified from bamboo.dts for sam440ep:
			* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
			*
			* 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.
			*/

			/ {
			#address-cells = <2>;
			#size-cells = <1>;
			model = "acube,sam440ep";
			compatible = "acube,sam440ep";
			dcr-parent = <&/cpus/cpu@0>;

			aliases {
			ethernet0 = &EMAC0;
			ethernet1 = &EMAC1;
			serial0 = &UART0;
			serial1 = &UART1;
			serial2 = &UART2;
			serial3 = &UART3;
			};

			cpus {
			#address-cells = <1>;
			#size-cells = <0>;

			cpu@0 {
			device_type = "cpu";
			model = "PowerPC,440EP";
			reg = <0>;
			clock-frequency = <0>; /* Filled in by zImage */
			timebase-frequency = <0>; /* Filled in by zImage */
			i-cache-line-size = <20>;
			d-cache-line-size = <20>;
			i-cache-size = <8000>;
			d-cache-size = <8000>;
			dcr-controller;
			dcr-access-method = "native";
			};
			};

			memory {
			device_type = "memory";
			reg = <0 0 0>; /* Filled in by zImage */
			};

			UIC0: interrupt-controller0 {
			compatible = "ibm,uic-440ep","ibm,uic";
			interrupt-controller;
			cell-index = <0>;
			dcr-reg = <0c0 009>;
			#address-cells = <0>;
			#size-cells = <0>;
			#interrupt-cells = <2>;
			};

			UIC1: interrupt-controller1 {
			compatible = "ibm,uic-440ep","ibm,uic";
			interrupt-controller;
			cell-index = <1>;
			dcr-reg = <0d0 009>;
			#address-cells = <0>;
			#size-cells = <0>;
			#interrupt-cells = <2>;
			interrupts = <1e 4 1f 4>; /* cascade */
			interrupt-parent = <&UIC0>;
			};

			SDR0: sdr {
			compatible = "ibm,sdr-440ep";
			dcr-reg = <00e 002>;
			};

			CPR0: cpr {
			compatible = "ibm,cpr-440ep";
			dcr-reg = <00c 002>;
			};

			plb {
			compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
			#address-cells = <2>;
			#size-cells = <1>;
			ranges;
			clock-frequency = <0>; /* Filled in by zImage */

			SDRAM0: sdram {
			compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
			dcr-reg = <010 2>;
			};

			DMA0: dma {
			compatible = "ibm,dma-440ep", "ibm,dma-440gp";
			dcr-reg = <100 027>;
			};

			MAL0: mcmal {
			compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
			dcr-reg = <180 62>;
			num-tx-chans = <4>;
			num-rx-chans = <2>;
			interrupt-parent = <&MAL0>;
			interrupts = <0 1 2 3 4>;
			#interrupt-cells = <1>;
			#address-cells = <0>;
			#size-cells = <0>;
			interrupt-map = </TXEOB/ 0 &UIC0 a 4
			/RXEOB/ 1 &UIC0 b 4
			/SERR/ 2 &UIC1 0 4
			/TXDE/ 3 &UIC1 1 4
			/RXDE/ 4 &UIC1 2 4>;
			};

			POB0: opb {
			compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
			/* Bamboo is oddball in the 44x world and doesn't use the ERPN
			* bits.
			*/
			ranges = <00000000 0 00000000 80000000
			80000000 0 80000000 80000000>;
			interrupt-parent = <&UIC1>;
			interrupts = <7 4>;
			clock-frequency = <0>; /* Filled in by zImage */

			EBC0: ebc {
			compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
			dcr-reg = <012 2>;
			#address-cells = <2>;
			#size-cells = <1>;
			clock-frequency = <0>; /* Filled in by zImage */
			interrupts = <5 1>;
			interrupt-parent = <&UIC1>;
			};

			UART0: serial@ef600300 {
			device_type = "serial";
			compatible = "ns16550";
			reg = <ef600300 8>;
			virtual-reg = <ef600300>;
			clock-frequency = <0>; /* Filled in by zImage */
			current-speed = <1c200>;
			interrupt-parent = <&UIC0>;
			interrupts = <0 4>;
			};

			UART1: serial@ef600400 {
			device_type = "serial";
			compatible = "ns16550";
			reg = <ef600400 8>;
			virtual-reg = <ef600400>;
			clock-frequency = <0>;
			current-speed = <0>;
			interrupt-parent = <&UIC0>;
			interrupts = <1 4>;
			};

			UART2: serial@ef600500 {
			device_type = "serial";
			compatible = "ns16550";
			reg = <ef600500 8>;
			virtual-reg = <ef600500>;
			clock-frequency = <0>;
			current-speed = <0>;
			interrupt-parent = <&UIC0>;
			interrupts = <3 4>;
			};

			UART3: serial@ef600600 {
			device_type = "serial";
			compatible = "ns16550";
			reg = <ef600600 8>;
			virtual-reg = <ef600600>;
			clock-frequency = <0>;
			current-speed = <0>;
			interrupt-parent = <&UIC0>;
			interrupts = <4 4>;
			};

			IIC0: i2c@ef600700 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
			index = <0>;
			reg = <ef600700 14>;
			interrupt-parent = <&UIC0>;
			interrupts = <2 4>;
			rtc@68 {
			compatible = "stm,m41t80";
			reg = <68>;
			};
			};

			IIC1: i2c@ef600800 {
			compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
			index = <5>;
			reg = <ef600800 14>;
			interrupt-parent = <&UIC0>;
			interrupts = <7 4>;
			};

			ZMII0: emac-zmii@ef600d00 {
			compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
			reg = <ef600d00 c>;
			};

			EMAC0: ethernet@ef600e00 {
			linux,network-index = <0>;
			device_type = "network";
			compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
			interrupt-parent = <&UIC1>;
			interrupts = <1c 4 1d 4>;
			reg = <ef600e00 70>;
			local-mac-address = [000000000000];
			mal-device = <&MAL0>;
			mal-tx-channel = <0 1>;
			mal-rx-channel = <0>;
			cell-index = <0>;
			max-frame-size = <5dc>;
			rx-fifo-size = <1000>;
			tx-fifo-size = <800>;
			phy-mode = "rmii";
			phy-map = <00000000>;
			zmii-device = <&ZMII0>;
			zmii-channel = <0>;
			};

			EMAC1: ethernet@ef600f00 {
			linux,network-index = <1>;
			device_type = "network";
			compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
			interrupt-parent = <&UIC1>;
			interrupts = <1e 4 1f 4>;
			reg = <ef600f00 70>;
			local-mac-address = [000000000000];
			mal-device = <&MAL0>;
			mal-tx-channel = <2 3>;
			mal-rx-channel = <1>;
			cell-index = <1>;
			max-frame-size = <5dc>;
			rx-fifo-size = <1000>;
			tx-fifo-size = <800>;
			phy-mode = "rmii";
			phy-map = <00000000>;
			zmii-device = <&ZMII0>;
			zmii-channel = <1>;
			};
			usb@ef601000 {
			compatible = "ohci-be";
			reg = <ef601000 80>;
			interrupts = <8 4 9 4>;
			interrupt-parent = < &UIC1 >;
			};
			};

			PCI0: pci@ec000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
			primary;
			reg = <0 eec00000 8 /* Config space access */
			0 eed00000 4 /* IACK */
			0 eed00000 4 /* Special cycle */
			0 ef400000 40>; /* 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 = <02000000 0 a0000000 0 a0000000 0 20000000
			01000000 0 00000000 0 e8000000 0 00010000>;

			/* Inbound 2GB range starting at 0 */
			dma-ranges = <42000000 0 0 0 0 0 80000000>;
			};
			};

			chosen {
			linux,stdout-path = "/plb/opb/serial@ef600300";
			};
			};

arch/powerpc/configs/44x/sam440ep_defconfig

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arch/powerpc/platforms/44x/Kconfig

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	@@ -17,6 +17,15 @@ config EBONY
	help		help
	This option enables support for the IBM PPC440GP evaluation board.		This option enables support for the IBM PPC440GP evaluation board.

			config SAM440EP
			bool "Sam440ep"
			depends on 44x
			default n
			select 440EP
			select PCI
			help
			This option enables support for the ACube Sam440ep board.

	config SEQUOIA		config SEQUOIA
	bool "Sequoia"		bool "Sequoia"
	depends on 44x		depends on 44x

Original line number	Original line	Diff line number	Diff line
	@@ -66,7 +66,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
	fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \		fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \
	cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \		cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
	cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \		cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
	virtex405-head.S redboot-83xx.c		virtex405-head.S redboot-83xx.c cuboot-sam440ep.c
	src-boot := $(src-wlib) $(src-plat) empty.c		src-boot := $(src-wlib) $(src-plat) empty.c

	src-boot := $(addprefix $(obj)/, $(src-boot))		src-boot := $(addprefix $(obj)/, $(src-boot))
	@@ -213,6 +213,7 @@ image-$(CONFIG_WALNUT) += treeImage.walnut
	# Board ports in arch/powerpc/platform/44x/Kconfig		# Board ports in arch/powerpc/platform/44x/Kconfig
	image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony		image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
	image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo		image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
			image-$(CONFIG_SAM440EP) += cuImage.sam440ep
	image-$(CONFIG_SEQUOIA) += cuImage.sequoia		image-$(CONFIG_SEQUOIA) += cuImage.sequoia
	image-$(CONFIG_RAINIER) += cuImage.rainier		image-$(CONFIG_RAINIER) += cuImage.rainier
	image-$(CONFIG_TAISHAN) += cuImage.taishan		image-$(CONFIG_TAISHAN) += cuImage.taishan