powerpc/44x: Add support for the AMCC APM821xx SoC
This patch adds CPU, device tree, defconfig and bluestone board support for APM821xx SoC. Signed-off-by: Tirumala R Marri <tmarri@apm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>hifive-unleashed-5.1
Tirumala Marri
Josh Boyer
parent
4108d9ba90
commit
6edc323db7
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@ -0,0 +1,254 @@
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/*
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* Device Tree for Bluestone (APM821xx) board.
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*
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* Copyright (c) 2010, Applied Micro Circuits Corporation
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* Author: Tirumala R Marri <tmarri@apm.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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/dts-v1/;
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/ {
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#address-cells = <2>;
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#size-cells = <1>;
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model = "apm,bluestone";
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compatible = "apm,bluestone";
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dcr-parent = <&{/cpus/cpu@0}>;
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aliases {
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ethernet0 = &EMAC0;
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serial0 = &UART0;
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serial1 = &UART1;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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device_type = "cpu";
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model = "PowerPC,apm821xx";
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reg = <0x00000000>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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timebase-frequency = <0>; /* Filled in by U-Boot */
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i-cache-line-size = <32>;
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d-cache-line-size = <32>;
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i-cache-size = <32768>;
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d-cache-size = <32768>;
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dcr-controller;
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dcr-access-method = "native";
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next-level-cache = <&L2C0>;
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};
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};
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memory {
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device_type = "memory";
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reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
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};
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UIC0: interrupt-controller0 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <0>;
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dcr-reg = <0x0c0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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};
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UIC1: interrupt-controller1 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <1>;
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dcr-reg = <0x0d0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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UIC2: interrupt-controller2 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <2>;
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dcr-reg = <0x0e0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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UIC3: interrupt-controller3 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <3>;
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dcr-reg = <0x0f0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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SDR0: sdr {
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compatible = "ibm,sdr-apm821xx";
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dcr-reg = <0x00e 0x002>;
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};
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CPR0: cpr {
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compatible = "ibm,cpr-apm821xx";
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dcr-reg = <0x00c 0x002>;
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};
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plb {
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compatible = "ibm,plb4";
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#address-cells = <2>;
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#size-cells = <1>;
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ranges;
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clock-frequency = <0>; /* Filled in by U-Boot */
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SDRAM0: sdram {
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compatible = "ibm,sdram-apm821xx";
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dcr-reg = <0x010 0x002>;
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};
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MAL0: mcmal {
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compatible = "ibm,mcmal2";
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descriptor-memory = "ocm";
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dcr-reg = <0x180 0x062>;
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num-tx-chans = <1>;
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num-rx-chans = <1>;
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#address-cells = <0>;
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#size-cells = <0>;
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interrupt-parent = <&UIC2>;
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interrupts = < /*TXEOB*/ 0x6 0x4
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/*RXEOB*/ 0x7 0x4
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/*SERR*/ 0x3 0x4
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/*TXDE*/ 0x4 0x4
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/*RXDE*/ 0x5 0x4
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};
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POB0: opb {
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compatible = "ibm,opb";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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EBC0: ebc {
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compatible = "ibm,ebc";
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dcr-reg = <0x012 0x002>;
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#address-cells = <2>;
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#size-cells = <1>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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/* ranges property is supplied by U-Boot */
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ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
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interrupts = <0x6 0x4>;
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interrupt-parent = <&UIC1>;
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nor_flash@0,0 {
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compatible = "amd,s29gl512n", "cfi-flash";
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bank-width = <2>;
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reg = <0x00000000 0x00000000 0x00400000>;
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "kernel";
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reg = <0x00000000 0x00180000>;
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};
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partition@180000 {
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label = "env";
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reg = <0x00180000 0x00020000>;
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};
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partition@1a0000 {
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label = "u-boot";
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reg = <0x001a0000 0x00060000>;
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};
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};
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}
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UART0: serial@ef600300 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0xef600300 0x00000008>;
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virtual-reg = <0xef600300>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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current-speed = <0>; /* Filled in by U-Boot */
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interrupt-parent = <&UIC1>;
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interrupts = <0x1 0x4>;
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};
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IIC0: i2c@ef600700 {
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compatible = "ibm,iic";
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reg = <0xef600700 0x00000014>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x2 0x4>;
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};
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IIC1: i2c@ef600800 {
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compatible = "ibm,iic";
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reg = <0xef600800 0x00000014>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x3 0x4>;
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};
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RGMII0: emac-rgmii@ef601500 {
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compatible = "ibm,rgmii";
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reg = <0xef601500 0x00000008>;
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has-mdio;
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};
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TAH0: emac-tah@ef601350 {
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compatible = "ibm,tah";
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reg = <0xef601350 0x00000030>;
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};
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EMAC0: ethernet@ef600c00 {
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device_type = "network";
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compatible = "ibm,emac4sync";
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interrupt-parent = <&EMAC0>;
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interrupts = <0x0 0x1>;
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#interrupt-cells = <1>;
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#address-cells = <0>;
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#size-cells = <0>;
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interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
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/*Wake*/ 0x1 &UIC2 0x14 0x4>;
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reg = <0xef600c00 0x000000c4>;
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local-mac-address = [000000000000]; /* Filled in by U-Boot */
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mal-device = <&MAL0>;
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mal-tx-channel = <0>;
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mal-rx-channel = <0>;
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cell-index = <0>;
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max-frame-size = <9000>;
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rx-fifo-size = <16384>;
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tx-fifo-size = <2048>;
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phy-mode = "rgmii";
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phy-map = <0x00000000>;
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rgmii-device = <&RGMII0>;
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rgmii-channel = <0>;
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tah-device = <&TAH0>;
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tah-channel = <0>;
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has-inverted-stacr-oc;
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has-new-stacr-staopc;
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};
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};
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};
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};
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@ -0,0 +1,68 @@
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CONFIG_44x=y
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CONFIG_EXPERIMENTAL=y
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CONFIG_SYSVIPC=y
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CONFIG_POSIX_MQUEUE=y
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CONFIG_LOG_BUF_SHIFT=14
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CONFIG_BLK_DEV_INITRD=y
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CONFIG_EMBEDDED=y
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# CONFIG_VM_EVENT_COUNTERS is not set
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# CONFIG_PCI_QUIRKS is not set
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# CONFIG_COMPAT_BRK is not set
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CONFIG_BLUESTONE=y
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# CONFIG_EBONY is not set
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# CONFIG_KVM_GUEST is not set
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CONFIG_NO_HZ=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_SPARSE_IRQ=y
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CONFIG_CMDLINE_BOOL=y
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CONFIG_CMDLINE=""
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CONFIG_NET=y
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CONFIG_PACKET=y
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CONFIG_UNIX=y
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CONFIG_INET=y
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CONFIG_IP_PNP=y
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CONFIG_IP_PNP_DHCP=y
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CONFIG_IP_PNP_BOOTP=y
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CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
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CONFIG_CONNECTOR=y
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CONFIG_MTD=y
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CONFIG_MTD_PARTITIONS=y
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CONFIG_MTD_CMDLINE_PARTS=y
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CONFIG_MTD_OF_PARTS=y
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CONFIG_MTD_CHAR=y
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CONFIG_MTD_BLOCK=y
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CONFIG_MTD_CFI=y
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CONFIG_MTD_CFI_AMDSTD=y
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CONFIG_MTD_PHYSMAP_OF=y
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CONFIG_PROC_DEVICETREE=y
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CONFIG_BLK_DEV_RAM=y
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CONFIG_BLK_DEV_RAM_SIZE=35000
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CONFIG_NETDEVICES=y
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CONFIG_NET_ETHERNET=y
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CONFIG_IBM_NEW_EMAC=y
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CONFIG_IBM_NEW_EMAC_RXB=256
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CONFIG_IBM_NEW_EMAC_TXB=256
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CONFIG_SERIAL_8250=y
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CONFIG_SERIAL_8250_CONSOLE=y
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CONFIG_SERIAL_8250_NR_UARTS=2
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CONFIG_SERIAL_8250_RUNTIME_UARTS=2
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CONFIG_SERIAL_8250_EXTENDED=y
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CONFIG_SERIAL_8250_SHARE_IRQ=y
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CONFIG_SERIAL_OF_PLATFORM=y
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CONFIG_I2C=y
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CONFIG_I2C_CHARDEV=y
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CONFIG_I2C_IBM_IIC=y
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CONFIG_SENSORS_AD7414=y
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# CONFIG_HID_SUPPORT is not set
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# CONFIG_USB_SUPPORT is not set
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CONFIG_RTC_CLASS=y
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CONFIG_RTC_DRV_M41T80=y
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CONFIG_EXT2_FS=y
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CONFIG_EXT3_FS=y
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CONFIG_PROC_KCORE=y
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CONFIG_TMPFS=y
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CONFIG_CRAMFS=y
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CONFIG_NFS_FS=y
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CONFIG_NFS_V3=y
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CONFIG_ROOT_NFS=y
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CONFIG_NLS=y
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@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx)
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_GLOBAL(__setup_cpu_460ex)
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_GLOBAL(__setup_cpu_460gt)
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_GLOBAL(__setup_cpu_460sx)
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_GLOBAL(__setup_cpu_apm821xx)
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mflr r4
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bl __init_fpu_44x
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bl __fixup_440A_mcheck
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@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
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extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
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extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
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extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
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extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec);
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extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
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extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
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extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
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@ -1805,6 +1806,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
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.machine_check = machine_check_440A,
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.platform = "ppc440",
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},
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{ /* 464 in APM821xx */
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.pvr_mask = 0xffffff00,
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.pvr_value = 0x12C41C80,
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.cpu_name = "APM821XX",
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.cpu_features = CPU_FTRS_44X,
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.cpu_user_features = COMMON_USER_BOOKE |
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PPC_FEATURE_HAS_FPU,
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.mmu_features = MMU_FTR_TYPE_44x,
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.icache_bsize = 32,
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.dcache_bsize = 32,
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.cpu_setup = __setup_cpu_apm821xx,
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.machine_check = machine_check_440A,
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.platform = "ppc440",
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},
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{ /* 476 core */
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.pvr_mask = 0xffff0000,
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.pvr_value = 0x11a50000,
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@ -17,6 +17,16 @@ config BAMBOO
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help
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This option enables support for the IBM PPC440EP evaluation board.
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config BLUESTONE
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bool "Bluestone"
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depends on 44x
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default n
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select PPC44x_SIMPLE
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select APM821xx
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select IBM_NEW_EMAC_RGMII
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help
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This option enables support for the APM APM821xx Evaluation board.
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config EBONY
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bool "Ebony"
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depends on 44x
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@ -293,6 +303,12 @@ config 460SX
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select IBM_NEW_EMAC_ZMII
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select IBM_NEW_EMAC_TAH
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config APM821xx
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bool
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select PPC_FPU
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select IBM_NEW_EMAC_EMAC4
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select IBM_NEW_EMAC_TAH
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# 44x errata/workaround config symbols, selected by the CPU models above
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config IBM440EP_ERR42
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bool
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@ -52,6 +52,7 @@ machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
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static char *board[] __initdata = {
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"amcc,arches",
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"amcc,bamboo",
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"amcc,bluestone",
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"amcc,canyonlands",
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"amcc,glacier",
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"ibm,ebony",
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