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Commit 6c712090 authored by Madhulika Madishetty's avatar Madhulika Madishetty Committed by Josh Boyer
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AMCC PPC 460SX redwood SoC platform initial framework 



This patch contains initial framework for the AMCC Redwood board.

Signed-off-by: default avatarMadhulika Madishetty <mmadishetty@amcc.com>
Signed-off-by: default avatarTirumala Marri <tmarri@amcc.com>
Signed-off-by: default avatarFeng Kan <fkan@amcc.com>
Signed-off-by: default avatarVidhyananth Venkatasamy <vvenkatasamy@amcc.com>
Signed-off-by: default avatarPreetesh Parekh <pparekh@amcc.com>
Acked-by: default avatarLoc Ho <lho@amcc.com>
Acked-by: default avatarFeng Kan <fkan@amcc.com>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 41b6a085

arch/powerpc/boot/dts/redwood.dts

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/*

 * Device Tree Source for AMCC Redwood(460SX)

 *

 * Copyright 2008 AMCC <tmarri@amcc.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.

 */



/dts-v1/;



/ {

	#address-cells = <2>;

	#size-cells = <1>;

	model = "amcc,redwood";

	compatible = "amcc,redwood";

	dcr-parent = <&{/cpus/cpu@0}>;



	aliases {

		ethernet0 = &EMAC0;

		serial0 = &UART0;

	};



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;



		cpu@0 {

			device_type = "cpu";

			model = "PowerPC,460SX";

			reg = <0x00000000>;

			clock-frequency = <0>; /* Filled in by U-Boot */

			timebase-frequency = <0>; /* Filled in by U-Boot */

			i-cache-line-size = <32>;

			d-cache-line-size = <32>;

			i-cache-size = <32768>;

			d-cache-size = <32768>;

			dcr-controller;

			dcr-access-method = "native";

		};

	};



	memory {

		device_type = "memory";

		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */

	};



	UIC0: interrupt-controller0 {

		compatible = "ibm,uic-460sx","ibm,uic";

		interrupt-controller;

		cell-index = <0>;

		dcr-reg = <0x0c0 0x009>;

		#address-cells = <0>;

		#size-cells = <0>;

		#interrupt-cells = <2>;

	};



	UIC1: interrupt-controller1 {

		compatible = "ibm,uic-460sx","ibm,uic";

		interrupt-controller;

		cell-index = <1>;

		dcr-reg = <0x0d0 0x009>;

		#address-cells = <0>;

		#size-cells = <0>;

		#interrupt-cells = <2>;

		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */

		interrupt-parent = <&UIC0>;

	};



	UIC2: interrupt-controller2 {

		compatible = "ibm,uic-460sx","ibm,uic";

		interrupt-controller;

		cell-index = <2>;

		dcr-reg = <0x0e0 0x009>;

		#address-cells = <0>;

		#size-cells = <0>;

		#interrupt-cells = <2>;

		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */

		interrupt-parent = <&UIC0>;

	};



	UIC3: interrupt-controller3 {

		compatible = "ibm,uic-460sx","ibm,uic";

		interrupt-controller;

		cell-index = <3>;

		dcr-reg = <0x0f0 0x009>;

		#address-cells = <0>;

		#size-cells = <0>;

		#interrupt-cells = <2>;

		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */

		interrupt-parent = <&UIC0>;

	};



	SDR0: sdr {

		compatible = "ibm,sdr-460sx";

		dcr-reg = <0x00e 0x002>;

	};



	CPR0: cpr {

		compatible = "ibm,cpr-460sx";

		dcr-reg = <0x00c 0x002>;

	};



	plb {

		compatible = "ibm,plb-460sx", "ibm,plb4";

		#address-cells = <2>;

		#size-cells = <1>;

		ranges;

		clock-frequency = <0>; /* Filled in by U-Boot */



		SDRAM0: sdram {

			compatible = "ibm,sdram-460sx", "ibm,sdram-405gp";

			dcr-reg = <0x010 0x002>;

		};



		MAL0: mcmal {

			compatible = "ibm,mcmal-460sx", "ibm,mcmal2";

			dcr-reg = <0x180 0x62>;

			num-tx-chans = <4>;

			num-rx-chans = <32>;

			#address-cells = <1>;

			#size-cells = <1>;

			interrupt-parent = <&UIC1>;

			interrupts = <	/*TXEOB*/ 0x6 0x4

					/*RXEOB*/ 0x7 0x4

					/*SERR*/  0x1 0x4

					/*TXDE*/  0x2 0x4

					/*RXDE*/  0x3 0x4

					/*COAL TX0*/ 0x18 0x2

					/*COAL TX1*/ 0x19 0x2

					/*COAL TX2*/ 0x1a 0x2

					/*COAL TX3*/ 0x1b 0x2

					/*COAL RX0*/ 0x1c 0x2

					/*COAL RX1*/ 0x1d 0x2

					/*COAL RX2*/ 0x1e 0x2

					/*COAL RX3*/ 0x1f 0x2>;

		};



		POB0: opb {

			compatible = "ibm,opb-460sx", "ibm,opb";

			#address-cells = <1>;

			#size-cells = <1>;

			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;

			clock-frequency = <0>; /* Filled in by U-Boot */



			EBC0: ebc {

				compatible = "ibm,ebc-460sx", "ibm,ebc";

				dcr-reg = <0x012 0x002>;

				#address-cells = <2>;

				#size-cells = <1>;

				clock-frequency = <0>; /* Filled in by U-Boot */

				/* ranges property is supplied by U-Boot */

				interrupts = <0x6 0x4>;

				interrupt-parent = <&UIC1>;



				nor_flash@0,0 {

					compatible = "amd,s29gl512n", "cfi-flash";

					bank-width = <2>;

					reg = <0x0000000 0x00000000 0x04000000>;

					#address-cells = <1>;

					#size-cells = <1>;

					partition@0 {

						label = "kernel";

						reg = <0x00000000 0x001e0000>;

					};

					partition@1e0000 {

						label = "dtb";

						reg = <0x001e0000 0x00020000>;

					};

					partition@200000 {

						label = "ramdisk";

						reg = <0x00200000 0x01400000>;

					};

					partition@1600000 {

						label = "jffs2";

						reg = <0x01600000 0x00400000>;

					};

					partition@1a00000 {

						label = "user";

						reg = <0x01a00000 0x02560000>;

					};

					partition@3f60000 {

						label = "env";

						reg = <0x03f60000 0x00040000>;

					};

					partition@3fa0000 {

						label = "u-boot";

						reg = <0x03fa0000 0x00060000>;

					};

				};

			};



			UART0: serial@ef600200 {

				device_type = "serial";

				compatible = "ns16550";

				reg = <0xef600200 0x00000008>;

				virtual-reg = <0xef600200>;

				clock-frequency = <0>; /* Filled in by U-Boot */

				current-speed = <0>; /* Filled in by U-Boot */

				interrupt-parent = <&UIC0>;

				interrupts = <0x0 0x4>;

			};



			RGMII0: emac-rgmii@ef600900 {

				compatible = "ibm,rgmii-460sx", "ibm,rgmii";

				reg = <0xef600900 0x00000008>;

			};



			EMAC0: ethernet@ef600a00 {

				device_type = "network";

				compatible = "ibm,emac-460sx", "ibm,emac4";

				interrupt-parent = <&EMAC0>;

				interrupts = <0x0 0x1>;

				#interrupt-cells = <1>;

				#address-cells = <0>;

				#size-cells = <0>;

				interrupt-map = </*Status*/ 0x0 &UIC0 0x13 0x4

						 /*Wake*/   0x1 &UIC2 0x1d 0x4>;

				reg = <0xef600a00 0x00000070>;

				local-mac-address = [000000000000]; /* Filled in by U-Boot */

				mal-device = <&MAL0>;

				mal-tx-channel = <0>;

				mal-rx-channel = <0>;

				cell-index = <0>;

				max-frame-size = <9000>;

				rx-fifo-size = <4096>;

				tx-fifo-size = <2048>;

				phy-mode = "rgmii";

				phy-map = <0x00000000>;

				rgmii-device = <&RGMII0>;

				rgmii-channel = <0>;

				has-inverted-stacr-oc;

				has-new-stacr-staopc;

			};



		};



	};

	chosen {

		linux,stdout-path = "/plb/opb/serial@ef600200";

	};



};

arch/powerpc/configs/44x/redwood_defconfig

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+1176 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/powerpc/kernel/cpu_setup_44x.S

+1 −0
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@@ -34,6 +34,7 @@ _GLOBAL(__setup_cpu_440grx) 
	blr

_GLOBAL(__setup_cpu_460ex)

_GLOBAL(__setup_cpu_460gt)

_GLOBAL(__setup_cpu_460sx)

	mflr	r4

	bl	__init_fpu_44x

	bl	__fixup_440A_mcheck

arch/powerpc/kernel/cputable.c

+14 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec); 
extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);

extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);

extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);

extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);

extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);

extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);

extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -1638,6 +1639,19 @@ static struct cpu_spec __initdata cpu_specs[] = { 
		.machine_check		= machine_check_440A,

		.platform		= "ppc440",

	},

	{ /* 460SX */

		.pvr_mask		= 0xffffff00,

		.pvr_value		= 0x13541800,

		.cpu_name		= "460SX",

		.cpu_features		= CPU_FTRS_44X,

		.cpu_user_features	= COMMON_USER_BOOKE,

		.mmu_features		= MMU_FTR_TYPE_44x,

		.icache_bsize		= 32,

		.dcache_bsize		= 32,

		.cpu_setup		= __setup_cpu_460sx,

		.machine_check		= machine_check_440A,

		.platform		= "ppc440",

	},

	{	/* default match */

		.pvr_mask		= 0x00000000,

		.pvr_value		= 0x00000000,

arch/powerpc/platforms/44x/Kconfig

+19 −0
Original line number Diff line number Diff line
@@ -118,6 +118,17 @@ config GLACIER 
	help

	  This option enables support for the AMCC PPC460GT evaluation board.



config REDWOOD

	bool "Redwood"

	depends on 44x

	default n

	select PPC44x_SIMPLE

	select 460SX

	select PCI

	select PPC4xx_PCI_EXPRESS

	help

	  This option enables support for the AMCC PPC460SX Redwood board.



config YOSEMITE

	bool "Yosemite"

	depends on 44x
@@ -220,6 +231,14 @@ config 460EX 
	select IBM_NEW_EMAC_EMAC4

	select IBM_NEW_EMAC_TAH



config 460SX

	bool

	select PPC_FPU

	select IBM_NEW_EMAC_EMAC4

	select IBM_NEW_EMAC_RGMII

	select IBM_NEW_EMAC_ZMII

	select IBM_NEW_EMAC_TAH



# 44x errata/workaround config symbols, selected by the CPU models above

config IBM440EP_ERR42

	bool