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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 16:15:06 +07:00
c19d824862
This patch consists of: - Add driver for OCM component - Export OCM Information at /sys/kernel/debug/ppc4xx_ocm/info Signed-off-by: Vinh Nguyen Huu Tuong <vhtnguyen@apm.com> Acked-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
411 lines
10 KiB
Plaintext
411 lines
10 KiB
Plaintext
/*
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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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OCM: ocm@400040000 {
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compatible = "ibm,ocm";
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status = "ok";
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cell-index = <1>;
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/* configured in U-Boot */
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reg = <4 0x00040000 0x8000>; /* 32K */
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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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L2C0: l2c {
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compatible = "ibm,l2-cache-apm82181", "ibm,l2-cache";
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dcr-reg = <0x020 0x008
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0x030 0x008>;
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cache-line-size = <32>;
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cache-size = <262144>;
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interrupt-parent = <&UIC1>;
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interrupts = <11 1>;
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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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ndfc@1,0 {
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compatible = "ibm,ndfc";
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reg = <0x00000003 0x00000000 0x00002000>;
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ccr = <0x00001000>;
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bank-settings = <0x80002222>;
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#address-cells = <1>;
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#size-cells = <1>;
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/* 2Gb Nand Flash */
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nand {
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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 = "firmware";
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reg = <0x00000000 0x00C00000>;
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};
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partition@c00000 {
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label = "environment";
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reg = <0x00C00000 0x00B00000>;
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};
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partition@1700000 {
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label = "kernel";
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reg = <0x01700000 0x00E00000>;
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};
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partition@2500000 {
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label = "root";
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reg = <0x02500000 0x08200000>;
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};
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partition@a700000 {
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label = "device-tree";
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reg = <0x0A700000 0x00B00000>;
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};
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partition@b200000 {
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label = "config";
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reg = <0x0B200000 0x00D00000>;
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};
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partition@bf00000 {
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label = "diag";
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reg = <0x0BF00000 0x00C00000>;
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};
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partition@cb00000 {
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label = "vendor";
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reg = <0x0CB00000 0x3500000>;
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};
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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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UART1: serial@ef600400 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0xef600400 0x00000008>;
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virtual-reg = <0xef600400>;
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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 = <&UIC0>;
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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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#address-cells = <1>;
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#size-cells = <0>;
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rtc@68 {
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compatible = "stm,m41t80";
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reg = <0x68>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x9 0x8>;
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};
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sttm@4C {
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compatible = "adm,adm1032";
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reg = <0x4C>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x1E 0x8>; /* CPU_THERNAL_L */
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};
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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,emac-apm821xx", "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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PCIE0: pciex@d00000000 {
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device_type = "pci";
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#interrupt-cells = <1>;
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#size-cells = <2>;
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#address-cells = <3>;
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compatible = "ibm,plb-pciex-apm821xx", "ibm,plb-pciex";
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primary;
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port = <0x0>; /* port number */
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reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */
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0x0000000c 0x08010000 0x00001000>; /* Registers */
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dcr-reg = <0x100 0x020>;
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sdr-base = <0x300>;
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/* Outbound ranges, one memory and one IO,
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* later cannot be changed
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*/
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ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
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0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
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0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
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/* Inbound 2GB range starting at 0 */
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dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
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/* This drives busses 40 to 0x7f */
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bus-range = <0x40 0x7f>;
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/* Legacy interrupts (note the weird polarity, the bridge seems
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* to invert PCIe legacy interrupts).
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* We are de-swizzling here because the numbers are actually for
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* port of the root complex virtual P2P bridge. But I want
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* to avoid putting a node for it in the tree, so the numbers
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* below are basically de-swizzled numbers.
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* The real slot is on idsel 0, so the swizzling is 1:1
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*/
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interrupt-map-mask = <0x0 0x0 0x0 0x7>;
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interrupt-map = <
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0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
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0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
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0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
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0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
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};
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MSI: ppc4xx-msi@C10000000 {
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compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
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reg = < 0xC 0x10000000 0x100
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0xC 0x10000000 0x100>;
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sdr-base = <0x36C>;
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msi-data = <0x00004440>;
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msi-mask = <0x0000ffe0>;
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interrupts =<0 1 2 3 4 5 6 7>;
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interrupt-parent = <&MSI>;
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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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msi-available-ranges = <0x0 0x100>;
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interrupt-map = <
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0 &UIC3 0x18 1
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1 &UIC3 0x19 1
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2 &UIC3 0x1A 1
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3 &UIC3 0x1B 1
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4 &UIC3 0x1C 1
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5 &UIC3 0x1D 1
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6 &UIC3 0x1E 1
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7 &UIC3 0x1F 1
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>;
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};
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};
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};
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