IBM Akebono: Add the Akebono platform
This patch adds support for the IBM Akebono board. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>hifive-unleashed-5.1
Alistair Popple
Benjamin Herrenschmidt
parent
6b11930f72
commit
2a2c74b2ef
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@ -0,0 +1,54 @@
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IBM Akebono board device tree
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=============================
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The IBM Akebono board is a development board for the PPC476GTR SoC.
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0) The root node
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Required properties:
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- model : "ibm,akebono".
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- compatible : "ibm,akebono" , "ibm,476gtr".
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1.a) The Secure Digital Host Controller Interface (SDHCI) node
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Represent the Secure Digital Host Controller Interfaces.
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Required properties:
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- compatible : should be "ibm,476gtr-sdhci","generic-sdhci".
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- reg : should contain the SDHCI registers location and length.
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- interrupt-parent : a phandle for the interrupt controller.
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- interrupts : should contain the SDHCI interrupt.
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1.b) The Advanced Host Controller Interface (AHCI) SATA node
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Represents the advanced host controller SATA interface.
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Required properties:
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- compatible : should be "ibm,476gtr-ahci".
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- reg : should contain the AHCI registers location and length.
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- interrupt-parent : a phandle for the interrupt controller.
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- interrupts : should contain the AHCI interrupt.
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1.c) The FPGA node
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The Akebono board stores some board information such as the revision
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number in an FPGA which is represented by this node.
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Required properties:
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- compatible : should be "ibm,akebono-fpga".
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- reg : should contain the FPGA registers location and length.
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1.d) The AVR node
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The Akebono board has an Atmel AVR microprocessor attached to the I2C
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bus as a power controller for the board.
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Required properties:
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- compatible : should be "ibm,akebono-avr".
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- reg : should contain the I2C bus address for the AVR.
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@ -53,6 +53,7 @@ $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
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$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
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$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
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$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
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$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405
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$(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
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@ -92,6 +93,7 @@ src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \
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cuboot-taishan.c cuboot-katmai.c \
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cuboot-warp.c cuboot-yosemite.c \
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treeboot-iss4xx.c treeboot-currituck.c \
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treeboot-akebono.c \
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simpleboot.c fixed-head.S virtex.c
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src-plat-$(CONFIG_8xx) += cuboot-8xx.c fixed-head.S ep88xc.c redboot-8xx.c
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src-plat-$(CONFIG_PPC_MPC52xx) += cuboot-52xx.c
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@ -250,6 +252,7 @@ image-$(CONFIG_YOSEMITE) += cuImage.yosemite
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image-$(CONFIG_ISS4xx) += treeImage.iss4xx \
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treeImage.iss4xx-mpic
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image-$(CONFIG_CURRITUCK) += treeImage.currituck
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image-$(CONFIG_AKEBONO) += treeImage.akebono
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# Board ports in arch/powerpc/platform/8xx/Kconfig
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image-$(CONFIG_MPC86XADS) += cuImage.mpc866ads
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@ -15,6 +15,10 @@
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asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \
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rval; \
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})
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#define mtdcrx(rn, val) \
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({ \
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asm volatile("mtdcrx %0,%1" : : "r"(rn), "r" (val)); \
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})
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/* 440GP/440GX SDRAM controller DCRs */
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#define DCRN_SDRAM0_CFGADDR 0x010
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@ -0,0 +1,385 @@
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/*
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* Device Tree Source for IBM Embedded PPC 476 Platform
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*
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* Copyright © 2013 Tony Breeds IBM Corporation
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* Copyright © 2013 Alistair Popple IBM Corporation
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without
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* any warranty of any kind, whether express or implied.
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*/
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/dts-v1/;
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/memreserve/ 0x01f00000 0x00100000; // spin table
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/ {
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#address-cells = <2>;
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#size-cells = <2>;
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model = "ibm,akebono";
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compatible = "ibm,akebono", "ibm,476gtr";
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dcr-parent = <&{/cpus/cpu@0}>;
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aliases {
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serial0 = &UART0;
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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,476";
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reg = <0>;
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clock-frequency = <1600000000>; // 1.6 GHz
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timebase-frequency = <100000000>; // 100Mhz
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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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status = "ok";
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};
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cpu@1 {
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device_type = "cpu";
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model = "PowerPC,476";
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reg = <1>;
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clock-frequency = <1600000000>; // 1.6 GHz
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timebase-frequency = <100000000>; // 100Mhz
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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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status = "disabled";
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enable-method = "spin-table";
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cpu-release-addr = <0x0 0x01f00000>;
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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 = <0x0 0x0 0x0 0x0>; // filled in by zImage
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};
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MPIC: interrupt-controller {
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compatible = "chrp,open-pic";
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interrupt-controller;
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dcr-reg = <0xffc00000 0x00040000>;
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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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single-cpu-affinity;
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};
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plb {
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compatible = "ibm,plb6";
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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clock-frequency = <200000000>; // 200Mhz
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MAL0: mcmal {
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compatible = "ibm,mcmal-476gtr", "ibm,mcmal2";
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dcr-reg = <0xc0000000 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 = <&MPIC>;
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interrupts = < /*TXEOB*/ 77 0x4
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/*RXEOB*/ 78 0x4
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/*SERR*/ 76 0x4
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/*TXDE*/ 79 0x4
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/*RXDE*/ 80 0x4>;
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};
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SATA0: sata@30000010000 {
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compatible = "ibm,476gtr-ahci";
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reg = <0x300 0x00010000 0x0 0x10000>;
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interrupt-parent = <&MPIC>;
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interrupts = <93 2>;
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};
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EHCI0: ehci@30010000000 {
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compatible = "ibm,476gtr-ehci", "generic-ehci";
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reg = <0x300 0x10000000 0x0 0x10000>;
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interrupt-parent = <&MPIC>;
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interrupts = <85 2>;
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};
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SD0: sd@30000000000 {
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compatible = "ibm,476gtr-sdhci", "generic-sdhci";
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reg = <0x300 0x00000000 0x0 0x10000>;
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interrupts = <91 2>;
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interrupt-parent = <&MPIC>;
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};
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OHCI0: ohci@30010010000 {
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compatible = "ibm,476gtr-ohci", "generic-ohci";
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reg = <0x300 0x10010000 0x0 0x10000>;
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interrupt-parent = <&MPIC>;
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interrupts = <89 1>;
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};
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OHCI1: ohci@30010020000 {
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compatible = "ibm,476gtr-ohci", "generic-ohci";
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reg = <0x300 0x10020000 0x0 0x10000>;
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interrupt-parent = <&MPIC>;
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interrupts = <88 1>;
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};
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POB0: opb {
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compatible = "ibm,opb-4xx", "ibm,opb";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Wish there was a nicer way of specifying a full
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* 32-bit range
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*/
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ranges = <0x00000000 0x0000033f 0x00000000 0x80000000
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0x80000000 0x0000033f 0x80000000 0x80000000>;
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clock-frequency = <100000000>;
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RGMII0: emac-rgmii-wol@50004 {
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compatible = "ibm,rgmii-wol-476gtr", "ibm,rgmii-wol";
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reg = <0x50004 0x00000008>;
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has-mdio;
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};
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EMAC0: ethernet@30000 {
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device_type = "network";
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compatible = "ibm,emac-476gtr", "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 &MPIC 81 0x4
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/*Wake*/ 0x1 &MPIC 82 0x4>;
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reg = <0x30000 0x78>;
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/* local-mac-address will normally be added by
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* the wrapper. If your device doesn't support
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* passing data to the wrapper (in the form
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* local-mac-addr=<hwaddr>) then you will need
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* to set it manually here. */
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//local-mac-address = [000000000000];
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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 = <4096>;
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tx-fifo-size = <2048>;
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rx-fifo-size-gige = <16384>;
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phy-mode = "rgmii";
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phy-map = <0x00000000>;
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rgmii-wol-device = <&RGMII0>;
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has-inverted-stacr-oc;
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has-new-stacr-staopc;
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};
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UART0: serial@10000 {
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device_type = "serial";
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compatible = "ns16750", "ns16550";
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reg = <0x10000 0x00000008>;
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virtual-reg = <0xe8010000>;
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clock-frequency = <1851851>;
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current-speed = <38400>;
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interrupt-parent = <&MPIC>;
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interrupts = <39 2>;
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};
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IIC0: i2c@00000000 {
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compatible = "ibm,iic-476gtr", "ibm,iic";
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reg = <0x0 0x00000020>;
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interrupt-parent = <&MPIC>;
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interrupts = <37 2>;
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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", "m41st85";
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reg = <0x68>;
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};
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};
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IIC1: i2c@00000100 {
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compatible = "ibm,iic-476gtr", "ibm,iic";
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reg = <0x100 0x00000020>;
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interrupt-parent = <&MPIC>;
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interrupts = <38 2>;
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#address-cells = <1>;
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#size-cells = <0>;
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avr@58 {
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compatible = "ibm,akebono-avr";
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reg = <0x58>;
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};
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};
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FPGA0: fpga@ebc00000 {
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compatible = "ibm,akebono-fpga";
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reg = <0xebc00000 0x8>;
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};
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};
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PCIE0: pciex@10100000000 {
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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-476fpe", "ibm,plb-pciex";
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primary;
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port = <0x0>; /* port number */
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reg = <0x00000101 0x00000000 0x0 0x10000000 /* Config space access */
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0x00000100 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
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dcr-reg = <0xc0 0x20>;
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// pci_space < pci_addr > < cpu_addr > < size >
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ranges = <0x02000000 0x00000000 0x80000000 0x00000110 0x80000000 0x0 0x80000000
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0x01000000 0x0 0x0 0x00000140 0x0 0x0 0x00010000>;
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/* Inbound starting at 0 to memsize filled in by zImage */
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dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
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/* This drives busses 0 to 0xf */
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bus-range = <0x0 0xf>;
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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 &MPIC 45 0x2 /* int A */
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0x0 0x0 0x0 0x2 &MPIC 46 0x2 /* int B */
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0x0 0x0 0x0 0x3 &MPIC 47 0x2 /* int C */
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0x0 0x0 0x0 0x4 &MPIC 48 0x2 /* int D */>;
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};
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PCIE1: pciex@20100000000 {
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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-476fpe", "ibm,plb-pciex";
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primary;
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port = <0x1>; /* port number */
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reg = <0x00000201 0x00000000 0x0 0x10000000 /* Config space access */
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0x00000200 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
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dcr-reg = <0x100 0x20>;
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// pci_space < pci_addr > < cpu_addr > < size >
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ranges = <0x02000000 0x00000000 0x80000000 0x00000210 0x80000000 0x0 0x80000000
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0x01000000 0x0 0x0 0x00000240 0x0 0x0 0x00010000>;
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/* Inbound starting at 0 to memsize filled in by zImage */
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dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
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/* This drives busses 0 to 0xf */
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bus-range = <0x0 0xf>;
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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 &MPIC 53 0x2 /* int A */
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0x0 0x0 0x0 0x2 &MPIC 54 0x2 /* int B */
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0x0 0x0 0x0 0x3 &MPIC 55 0x2 /* int C */
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0x0 0x0 0x0 0x4 &MPIC 56 0x2 /* int D */>;
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};
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PCIE2: pciex@18100000000 {
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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-476fpe", "ibm,plb-pciex";
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primary;
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port = <0x2>; /* port number */
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reg = <0x00000181 0x00000000 0x0 0x10000000 /* Config space access */
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0x00000180 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
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dcr-reg = <0xe0 0x20>;
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// pci_space < pci_addr > < cpu_addr > < size >
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ranges = <0x02000000 0x00000000 0x80000000 0x00000190 0x80000000 0x0 0x80000000
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0x01000000 0x0 0x0 0x000001c0 0x0 0x0 0x00010000>;
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/* Inbound starting at 0 to memsize filled in by zImage */
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dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
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/* This drives busses 0 to 0xf */
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bus-range = <0x0 0xf>;
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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 &MPIC 61 0x2 /* int A */
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0x0 0x0 0x0 0x2 &MPIC 62 0x2 /* int B */
|
||||
0x0 0x0 0x0 0x3 &MPIC 63 0x2 /* int C */
|
||||
0x0 0x0 0x0 0x4 &MPIC 64 0x2 /* int D */>;
|
||||
};
|
||||
|
||||
PCIE3: pciex@28100000000 {
|
||||
device_type = "pci";
|
||||
#interrupt-cells = <1>;
|
||||
#size-cells = <2>;
|
||||
#address-cells = <3>;
|
||||
compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
|
||||
primary;
|
||||
port = <0x3>; /* port number */
|
||||
reg = <0x00000281 0x00000000 0x0 0x10000000 /* Config space access */
|
||||
0x00000280 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
|
||||
dcr-reg = <0x120 0x20>;
|
||||
|
||||
// pci_space < pci_addr > < cpu_addr > < size >
|
||||
ranges = <0x02000000 0x00000000 0x80000000 0x00000290 0x80000000 0x0 0x80000000
|
||||
0x01000000 0x0 0x0 0x000002c0 0x0 0x0 0x00010000>;
|
||||
|
||||
/* Inbound starting at 0 to memsize filled in by zImage */
|
||||
dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
|
||||
|
||||
/* This drives busses 0 to 0xf */
|
||||
bus-range = <0x0 0xf>;
|
||||
|
||||
/* Legacy interrupts (note the weird polarity, the bridge seems
|
||||
* to invert PCIe legacy interrupts).
|
||||
* We are de-swizzling here because the numbers are actually for
|
||||
* port of the root complex virtual P2P bridge. But I want
|
||||
* to avoid putting a node for it in the tree, so the numbers
|
||||
* below are basically de-swizzled numbers.
|
||||
* The real slot is on idsel 0, so the swizzling is 1:1
|
||||
*/
|
||||
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
|
||||
interrupt-map = <
|
||||
0x0 0x0 0x0 0x1 &MPIC 69 0x2 /* int A */
|
||||
0x0 0x0 0x0 0x2 &MPIC 70 0x2 /* int B */
|
||||
0x0 0x0 0x0 0x3 &MPIC 71 0x2 /* int C */
|
||||
0x0 0x0 0x0 0x4 &MPIC 72 0x2 /* int D */>;
|
||||
};
|
||||
};
|
||||
|
||||
chosen {
|
||||
linux,stdout-path = &UART0;
|
||||
};
|
||||
};
|
||||
|
|
@ -0,0 +1,178 @@
|
|||
/*
|
||||
* Copyright © 2013 Tony Breeds IBM Corporation
|
||||
* Copyright © 2013 Alistair Popple IBM Corporation
|
||||
*
|
||||
* Based on earlier code:
|
||||
* Copyright (C) Paul Mackerras 1997.
|
||||
*
|
||||
* Matt Porter <mporter@kernel.crashing.org>
|
||||
* Copyright 2002-2005 MontaVista Software Inc.
|
||||
*
|
||||
* Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
|
||||
* Copyright (c) 2003, 2004 Zultys Technologies
|
||||
*
|
||||
* Copyright 2007 David Gibson, IBM Corporation.
|
||||
* Copyright 2010 Ben. Herrenschmidt, IBM Corporation.
|
||||
* Copyright © 2011 David Kleikamp IBM Corporation
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <stdarg.h>
|
||||
#include <stddef.h>
|
||||
#include "types.h"
|
||||
#include "elf.h"
|
||||
#include "string.h"
|
||||
#include "stdlib.h"
|
||||
#include "stdio.h"
|
||||
#include "page.h"
|
||||
#include "ops.h"
|
||||
#include "reg.h"
|
||||
#include "io.h"
|
||||
#include "dcr.h"
|
||||
#include "4xx.h"
|
||||
#include "44x.h"
|
||||
#include "libfdt.h"
|
||||
|
||||
BSS_STACK(4096);
|
||||
|
||||
#define SPRN_PIR 0x11E /* Processor Indentification Register */
|
||||
#define USERDATA_LEN 256 /* Length of userdata passed in by PIBS */
|
||||
#define MAX_RANKS 0x4
|
||||
#define DDR3_MR0CF 0x80010011U
|
||||
#define CCTL0_MCO2 0x8000080FU
|
||||
#define CCTL0_MCO3 0x80000810U
|
||||
#define CCTL0_MCO4 0x80000811U
|
||||
#define CCTL0_MCO5 0x80000812U
|
||||
#define CCTL0_MCO6 0x80000813U
|
||||
|
||||
static unsigned long long ibm_akebono_memsize;
|
||||
static long long unsigned mac_addr;
|
||||
|
||||
static unsigned long long ibm_akebono_detect_memsize(void)
|
||||
{
|
||||
u32 reg;
|
||||
unsigned i;
|
||||
unsigned long long memsize = 0;
|
||||
|
||||
for (i = 0; i < MAX_RANKS; i++) {
|
||||
reg = mfdcrx(DDR3_MR0CF + i);
|
||||
|
||||
if (!(reg & 1))
|
||||
continue;
|
||||
|
||||
reg &= 0x0000f000;
|
||||
reg >>= 12;
|
||||
memsize += (0x800000ULL << reg);
|
||||
}
|
||||
|
||||
return memsize;
|
||||
}
|
||||
|
||||
static void ibm_akebono_fixups(void)
|
||||
{
|
||||
void *emac;
|
||||
u32 reg;
|
||||
void *devp = finddevice("/");
|
||||
u32 dma_ranges[7];
|
||||
|
||||
dt_fixup_memory(0x0ULL, ibm_akebono_memsize);
|
||||
|
||||
while ((devp = find_node_by_devtype(devp, "pci"))) {
|
||||
if (getprop(devp, "dma-ranges", dma_ranges,
|
||||
sizeof(dma_ranges)) < 0) {
|
||||
printf("%s: Failed to get dma-ranges\r\n", __func__);
|
||||
continue;
|
||||
}
|
||||
|
||||
dma_ranges[5] = ibm_akebono_memsize >> 32;
|
||||
dma_ranges[6] = ibm_akebono_memsize & 0xffffffffUL;
|
||||
|
||||
setprop(devp, "dma-ranges", dma_ranges, sizeof(dma_ranges));
|
||||
}
|
||||
|
||||
/* Fixup the SD timeout frequency */
|
||||
mtdcrx(CCTL0_MCO4, 0x1);
|
||||
|
||||
/* Disable SD high-speed mode (which seems to be broken) */
|
||||
reg = mfdcrx(CCTL0_MCO2) & ~0x2;
|
||||
mtdcrx(CCTL0_MCO2, reg);
|
||||
|
||||
/* Set the MAC address */
|
||||
emac = finddevice("/plb/opb/ethernet");
|
||||
if (emac > 0) {
|
||||
if (mac_addr)
|
||||
setprop(emac, "local-mac-address",
|
||||
((u8 *) &mac_addr) + 2 , 6);
|
||||
}
|
||||
}
|
||||
|
||||
void platform_init(char *userdata)
|
||||
{
|
||||
unsigned long end_of_ram, avail_ram;
|
||||
u32 pir_reg;
|
||||
int node, size;
|
||||
const u32 *timebase;
|
||||
int len, i, userdata_len;
|
||||
char *end;
|
||||
|
||||
userdata[USERDATA_LEN - 1] = '\0';
|
||||
userdata_len = strlen(userdata);
|
||||
for (i = 0; i < userdata_len - 15; i++) {
|
||||
if (strncmp(&userdata[i], "local-mac-addr=", 15) == 0) {
|
||||
if (i > 0 && userdata[i - 1] != ' ') {
|
||||
/* We've only found a substring ending
|
||||
* with local-mac-addr so this isn't
|
||||
* our mac address. */
|
||||
continue;
|
||||
}
|
||||
|
||||
mac_addr = strtoull(&userdata[i + 15], &end, 16);
|
||||
|
||||
/* Remove the "local-mac-addr=<...>" from the kernel
|
||||
* command line, including the tailing space if
|
||||
* present. */
|
||||
if (*end == ' ')
|
||||
end++;
|
||||
|
||||
len = ((int) end) - ((int) &userdata[i]);
|
||||
memmove(&userdata[i], end,
|
||||
userdata_len - (len + i) + 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
loader_info.cmdline = userdata;
|
||||
loader_info.cmdline_len = 256;
|
||||
|
||||
ibm_akebono_memsize = ibm_akebono_detect_memsize();
|
||||
if (ibm_akebono_memsize >> 32)
|
||||
end_of_ram = ~0UL;
|
||||
else
|
||||
end_of_ram = ibm_akebono_memsize;
|
||||
avail_ram = end_of_ram - (unsigned long)_end;
|
||||
|
||||
simple_alloc_init(_end, avail_ram, 128, 64);
|
||||
platform_ops.fixups = ibm_akebono_fixups;
|
||||
platform_ops.exit = ibm44x_dbcr_reset;
|
||||
pir_reg = mfspr(SPRN_PIR);
|
||||
|
||||
/* Make sure FDT blob is sane */
|
||||
if (fdt_check_header(_dtb_start) != 0)
|
||||
fatal("Invalid device tree blob\n");
|
||||
|
||||
node = fdt_node_offset_by_prop_value(_dtb_start, -1, "device_type",
|
||||
"cpu", sizeof("cpu"));
|
||||
if (!node)
|
||||
fatal("Cannot find cpu node\n");
|
||||
timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size);
|
||||
if (timebase && (size == 4))
|
||||
timebase_period_ns = 1000000000 / *timebase;
|
||||
|
||||
fdt_set_boot_cpuid_phys(_dtb_start, pir_reg);
|
||||
fdt_init(_dtb_start);
|
||||
|
||||
serial_console_init();
|
||||
}
|
||||
|
|
@ -270,6 +270,9 @@ gamecube|wii)
|
|||
treeboot-currituck)
|
||||
link_address='0x1000000'
|
||||
;;
|
||||
treeboot-akebono)
|
||||
link_address='0x1000000'
|
||||
;;
|
||||
treeboot-iss4xx-mpic)
|
||||
platformo="$object/treeboot-iss4xx.o"
|
||||
;;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,148 @@
|
|||
CONFIG_44x=y
|
||||
CONFIG_SMP=y
|
||||
CONFIG_SYSVIPC=y
|
||||
CONFIG_POSIX_MQUEUE=y
|
||||
CONFIG_LOG_BUF_SHIFT=14
|
||||
CONFIG_BLK_DEV_INITRD=y
|
||||
CONFIG_RD_BZIP2=y
|
||||
CONFIG_RD_LZMA=y
|
||||
CONFIG_RD_XZ=y
|
||||
CONFIG_EXPERT=y
|
||||
CONFIG_KALLSYMS_ALL=y
|
||||
# CONFIG_SLUB_CPU_PARTIAL is not set
|
||||
CONFIG_PROFILING=y
|
||||
CONFIG_OPROFILE=y
|
||||
CONFIG_MODULES=y
|
||||
CONFIG_MODULE_UNLOAD=y
|
||||
# CONFIG_BLK_DEV_BSG is not set
|
||||
# CONFIG_POWERNV_MSI is not set
|
||||
CONFIG_PPC_47x=y
|
||||
# CONFIG_EBONY is not set
|
||||
CONFIG_AKEBONO=y
|
||||
CONFIG_HIGHMEM=y
|
||||
CONFIG_HZ_100=y
|
||||
CONFIG_IRQ_ALL_CPUS=y
|
||||
# CONFIG_COMPACTION is not set
|
||||
CONFIG_CMDLINE_BOOL=y
|
||||
CONFIG_CMDLINE=""
|
||||
# CONFIG_SUSPEND is not set
|
||||
CONFIG_PCI_MSI=y
|
||||
CONFIG_NET=y
|
||||
CONFIG_PACKET=y
|
||||
CONFIG_UNIX=y
|
||||
CONFIG_INET=y
|
||||
CONFIG_IP_PNP=y
|
||||
CONFIG_IP_PNP_DHCP=y
|
||||
CONFIG_IP_PNP_BOOTP=y
|
||||
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
|
||||
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
|
||||
# CONFIG_INET_XFRM_MODE_BEET is not set
|
||||
# CONFIG_INET_LRO is not set
|
||||
# CONFIG_IPV6 is not set
|
||||
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
|
||||
CONFIG_DEVTMPFS=y
|
||||
CONFIG_DEVTMPFS_MOUNT=y
|
||||
CONFIG_CONNECTOR=y
|
||||
CONFIG_MTD=y
|
||||
CONFIG_MTD_BLOCK=y
|
||||
CONFIG_MTD_JEDECPROBE=y
|
||||
CONFIG_MTD_CFI_AMDSTD=y
|
||||
CONFIG_MTD_PHYSMAP_OF=y
|
||||
CONFIG_PROC_DEVICETREE=y
|
||||
CONFIG_BLK_DEV_RAM=y
|
||||
CONFIG_BLK_DEV_RAM_SIZE=35000
|
||||
# CONFIG_SCSI_PROC_FS is not set
|
||||
CONFIG_BLK_DEV_SD=y
|
||||
# CONFIG_SCSI_LOWLEVEL is not set
|
||||
# CONFIG_SATA_PMP is not set
|
||||
# CONFIG_ATA_SFF is not set
|
||||
# CONFIG_NET_VENDOR_3COM is not set
|
||||
# CONFIG_NET_VENDOR_ADAPTEC is not set
|
||||
# CONFIG_NET_VENDOR_ALTEON is not set
|
||||
# CONFIG_NET_VENDOR_AMD is not set
|
||||
# CONFIG_NET_VENDOR_ARC is not set
|
||||
# CONFIG_NET_VENDOR_ATHEROS is not set
|
||||
# CONFIG_NET_CADENCE is not set
|
||||
# CONFIG_NET_VENDOR_BROADCOM is not set
|
||||
# CONFIG_NET_VENDOR_BROCADE is not set
|
||||
# CONFIG_NET_VENDOR_CHELSIO is not set
|
||||
# CONFIG_NET_VENDOR_CISCO is not set
|
||||
# CONFIG_NET_VENDOR_DEC is not set
|
||||
# CONFIG_NET_VENDOR_DLINK is not set
|
||||
# CONFIG_NET_VENDOR_EMULEX is not set
|
||||
# CONFIG_NET_VENDOR_EXAR is not set
|
||||
# CONFIG_NET_VENDOR_HP is not set
|
||||
CONFIG_IBM_EMAC=y
|
||||
# CONFIG_NET_VENDOR_MARVELL is not set
|
||||
# CONFIG_NET_VENDOR_MELLANOX is not set
|
||||
# CONFIG_NET_VENDOR_MICREL is not set
|
||||
# CONFIG_NET_VENDOR_MYRI is not set
|
||||
# CONFIG_NET_VENDOR_NATSEMI is not set
|
||||
# CONFIG_NET_VENDOR_NVIDIA is not set
|
||||
# CONFIG_NET_VENDOR_OKI is not set
|
||||
# CONFIG_NET_VENDOR_QLOGIC is not set
|
||||
# CONFIG_NET_VENDOR_REALTEK is not set
|
||||
# CONFIG_NET_VENDOR_RDC is not set
|
||||
# CONFIG_NET_VENDOR_SEEQ is not set
|
||||
# CONFIG_NET_VENDOR_SILAN is not set
|
||||
# CONFIG_NET_VENDOR_SIS is not set
|
||||
# CONFIG_NET_VENDOR_SMSC is not set
|
||||
# CONFIG_NET_VENDOR_STMICRO is not set
|
||||
# CONFIG_NET_VENDOR_SUN is not set
|
||||
# CONFIG_NET_VENDOR_TEHUTI is not set
|
||||
# CONFIG_NET_VENDOR_TI is not set
|
||||
# CONFIG_NET_VENDOR_VIA is not set
|
||||
# CONFIG_NET_VENDOR_WIZNET is not set
|
||||
# CONFIG_NET_VENDOR_XILINX is not set
|
||||
# CONFIG_KEYBOARD_ATKBD is not set
|
||||
# CONFIG_MOUSE_PS2 is not set
|
||||
# CONFIG_SERIO is not set
|
||||
# CONFIG_VT is not set
|
||||
CONFIG_SERIAL_8250=y
|
||||
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
|
||||
CONFIG_SERIAL_8250_CONSOLE=y
|
||||
CONFIG_SERIAL_8250_EXTENDED=y
|
||||
CONFIG_SERIAL_8250_SHARE_IRQ=y
|
||||
CONFIG_SERIAL_OF_PLATFORM=y
|
||||
# CONFIG_HW_RANDOM is not set
|
||||
CONFIG_I2C_CHARDEV=y
|
||||
# CONFIG_HWMON is not set
|
||||
CONFIG_THERMAL=y
|
||||
# CONFIG_USB_DEFAULT_PERSIST is not set
|
||||
CONFIG_USB_EHCI_HCD=y
|
||||
CONFIG_USB_OHCI_HCD=y
|
||||
# CONFIG_USB_OHCI_HCD_PCI is not set
|
||||
CONFIG_USB_STORAGE=y
|
||||
CONFIG_MMC=y
|
||||
CONFIG_RTC_CLASS=y
|
||||
CONFIG_RTC_DRV_M41T80=y
|
||||
CONFIG_EXT2_FS=y
|
||||
CONFIG_EXT3_FS=y
|
||||
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
|
||||
CONFIG_EXT3_FS_POSIX_ACL=y
|
||||
CONFIG_EXT3_FS_SECURITY=y
|
||||
# CONFIG_DNOTIFY is not set
|
||||
# CONFIG_INOTIFY_USER is not set
|
||||
CONFIG_VFAT_FS=y
|
||||
CONFIG_PROC_KCORE=y
|
||||
CONFIG_TMPFS=y
|
||||
CONFIG_CRAMFS=y
|
||||
# CONFIG_NETWORK_FILESYSTEMS is not set
|
||||
CONFIG_NLS_DEFAULT="n"
|
||||
CONFIG_NLS_CODEPAGE_437=y
|
||||
CONFIG_NLS_ISO8859_1=y
|
||||
CONFIG_DEBUG_INFO=y
|
||||
CONFIG_DEBUG_FS=y
|
||||
CONFIG_MAGIC_SYSRQ=y
|
||||
CONFIG_DETECT_HUNG_TASK=y
|
||||
CONFIG_XMON=y
|
||||
CONFIG_XMON_DEFAULT=y
|
||||
CONFIG_PPC_EARLY_DEBUG=y
|
||||
CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW=0x00010000
|
||||
CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH=0x33f
|
||||
CONFIG_CRYPTO_PCBC=y
|
||||
CONFIG_CRYPTO_MD5=y
|
||||
CONFIG_CRYPTO_SHA1_PPC=y
|
||||
CONFIG_CRYPTO_DES=y
|
||||
# CONFIG_CRYPTO_ANSI_CPRNG is not set
|
||||
# CONFIG_CRYPTO_HW is not set
|
||||
|
|
@ -199,6 +199,32 @@ config CURRITUCK
|
|||
help
|
||||
This option enables support for the IBM Currituck (476fpe) evaluation board
|
||||
|
||||
config AKEBONO
|
||||
bool "IBM Akebono (476gtr) Support"
|
||||
depends on PPC_47x
|
||||
default n
|
||||
select SWIOTLB
|
||||
select 476FPE
|
||||
select PPC4xx_PCI_EXPRESS
|
||||
select I2C
|
||||
select I2C_IBM_IIC
|
||||
select NETDEVICES
|
||||
select ETHERNET
|
||||
select NET_VENDOR_IBM
|
||||
select IBM_EMAC_EMAC4
|
||||
select IBM_EMAC_RGMII_WOL
|
||||
select USB
|
||||
select USB_OHCI_HCD_PLATFORM
|
||||
select USB_EHCI_HCD_PLATFORM
|
||||
select MMC_SDHCI
|
||||
select MMC_SDHCI_PLTFM
|
||||
select MMC_SDHCI_OF_476GTR
|
||||
select ATA
|
||||
select SATA_AHCI_PLATFORM
|
||||
help
|
||||
This option enables support for the IBM Akebono (476gtr) evaluation board
|
||||
|
||||
|
||||
config ICON
|
||||
bool "Icon"
|
||||
depends on 44x
|
||||
|
|
|
|||
|
|
@ -11,3 +11,4 @@ obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
|
|||
obj-$(CONFIG_ISS4xx) += iss4xx.o
|
||||
obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
|
||||
obj-$(CONFIG_CURRITUCK) += ppc476.o
|
||||
obj-$(CONFIG_AKEBONO) += ppc476.o
|
||||
|
|
|
|||
|
|
@ -1,7 +1,8 @@
|
|||
/*
|
||||
* PowerPC 476FPE board specific routines
|
||||
*
|
||||
* Copyright © 2011 Tony Breeds IBM Corporation
|
||||
* Copyright © 2013 Tony Breeds IBM Corporation
|
||||
* Copyright © 2013 Alistair Popple IBM Corporation
|
||||
*
|
||||
* Based on earlier code:
|
||||
* Matt Porter <mporter@kernel.crashing.org>
|
||||
|
|
@ -35,6 +36,7 @@
|
|||
#include <asm/mmu.h>
|
||||
|
||||
#include <linux/pci.h>
|
||||
#include <linux/i2c.h>
|
||||
|
||||
static struct of_device_id ppc47x_of_bus[] __initdata = {
|
||||
{ .compatible = "ibm,plb4", },
|
||||
|
|
@ -55,15 +57,69 @@ static void quirk_ppc_currituck_usb_fixup(struct pci_dev *dev)
|
|||
}
|
||||
DECLARE_PCI_FIXUP_HEADER(0x1033, 0x0035, quirk_ppc_currituck_usb_fixup);
|
||||
|
||||
/* Akebono has an AVR microcontroller attached to the I2C bus
|
||||
* which is used to power off/reset the system. */
|
||||
|
||||
/* AVR I2C Commands */
|
||||
#define AVR_PWRCTL_CMD (0x26)
|
||||
|
||||
/* Flags for the power control I2C commands */
|
||||
#define AVR_PWRCTL_PWROFF (0x01)
|
||||
#define AVR_PWRCTL_RESET (0x02)
|
||||
|
||||
static struct i2c_client *avr_i2c_client;
|
||||
static void avr_halt_system(int pwrctl_flags)
|
||||
{
|
||||
/* Request the AVR to reset the system */
|
||||
i2c_smbus_write_byte_data(avr_i2c_client,
|
||||
AVR_PWRCTL_CMD, pwrctl_flags);
|
||||
|
||||
/* Wait for system to be reset */
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
static void avr_power_off_system(void)
|
||||
{
|
||||
avr_halt_system(AVR_PWRCTL_PWROFF);
|
||||
}
|
||||
|
||||
static void avr_reset_system(char *cmd)
|
||||
{
|
||||
avr_halt_system(AVR_PWRCTL_RESET);
|
||||
}
|
||||
|
||||
static int avr_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
avr_i2c_client = client;
|
||||
ppc_md.restart = avr_reset_system;
|
||||
ppc_md.power_off = avr_power_off_system;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id avr_id[] = {
|
||||
{ "akebono-avr", 0 },
|
||||
{ }
|
||||
};
|
||||
|
||||
static struct i2c_driver avr_driver = {
|
||||
.driver = {
|
||||
.name = "akebono-avr",
|
||||
},
|
||||
.probe = avr_probe,
|
||||
.id_table = avr_id,
|
||||
};
|
||||
|
||||
static int __init ppc47x_device_probe(void)
|
||||
{
|
||||
i2c_add_driver(&avr_driver);
|
||||
of_platform_bus_probe(NULL, ppc47x_of_bus, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
machine_device_initcall(ppc47x, ppc47x_device_probe);
|
||||
|
||||
/* We can have either UICs or MPICs */
|
||||
static void __init ppc47x_init_irq(void)
|
||||
{
|
||||
struct device_node *np;
|
||||
|
|
@ -163,37 +219,30 @@ static void __init ppc47x_setup_arch(void)
|
|||
ppc47x_smp_init();
|
||||
}
|
||||
|
||||
/*
|
||||
* Called very early, MMU is off, device-tree isn't unflattened
|
||||
*/
|
||||
static int __init ppc47x_probe(void)
|
||||
{
|
||||
unsigned long root = of_get_flat_dt_root();
|
||||
|
||||
if (!of_flat_dt_is_compatible(root, "ibm,currituck"))
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int board_rev = -1;
|
||||
static int __init ppc47x_get_board_rev(void)
|
||||
{
|
||||
u8 fpga_reg0;
|
||||
void *fpga;
|
||||
struct device_node *np;
|
||||
int reg;
|
||||
u8 *fpga;
|
||||
struct device_node *np = NULL;
|
||||
|
||||
if (of_machine_is_compatible("ibm,currituck")) {
|
||||
np = of_find_compatible_node(NULL, NULL, "ibm,currituck-fpga");
|
||||
reg = 0;
|
||||
} else if (of_machine_is_compatible("ibm,akebono")) {
|
||||
np = of_find_compatible_node(NULL, NULL, "ibm,akebono-fpga");
|
||||
reg = 2;
|
||||
}
|
||||
|
||||
np = of_find_compatible_node(NULL, NULL, "ibm,currituck-fpga");
|
||||
if (!np)
|
||||
goto fail;
|
||||
|
||||
fpga = of_iomap(np, 0);
|
||||
fpga = (u8 *) of_iomap(np, 0);
|
||||
of_node_put(np);
|
||||
if (!fpga)
|
||||
goto fail;
|
||||
|
||||
fpga_reg0 = ioread8(fpga);
|
||||
board_rev = fpga_reg0 & 0x03;
|
||||
board_rev = ioread8(fpga + reg) & 0x03;
|
||||
pr_info("%s: Found board revision %d\n", __func__, board_rev);
|
||||
iounmap(fpga);
|
||||
return 0;
|
||||
|
|
@ -221,13 +270,30 @@ static void ppc47x_pci_irq_fixup(struct pci_dev *dev)
|
|||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Called very early, MMU is off, device-tree isn't unflattened
|
||||
*/
|
||||
static int __init ppc47x_probe(void)
|
||||
{
|
||||
unsigned long root = of_get_flat_dt_root();
|
||||
|
||||
if (of_flat_dt_is_compatible(root, "ibm,akebono"))
|
||||
return 1;
|
||||
|
||||
if (of_flat_dt_is_compatible(root, "ibm,currituck")) {
|
||||
ppc_md.pci_irq_fixup = ppc47x_pci_irq_fixup;
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
define_machine(ppc47x) {
|
||||
.name = "PowerPC 47x",
|
||||
.probe = ppc47x_probe,
|
||||
.progress = udbg_progress,
|
||||
.init_IRQ = ppc47x_init_irq,
|
||||
.setup_arch = ppc47x_setup_arch,
|
||||
.pci_irq_fixup = ppc47x_pci_irq_fixup,
|
||||
.restart = ppc4xx_reset_system,
|
||||
.calibrate_decr = generic_calibrate_decr,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -1440,7 +1440,8 @@ static int __init ppc4xx_pciex_check_core_init(struct device_node *np)
|
|||
ppc4xx_pciex_hwops = &ppc405ex_pcie_hwops;
|
||||
#endif
|
||||
#ifdef CONFIG_476FPE
|
||||
if (of_device_is_compatible(np, "ibm,plb-pciex-476fpe"))
|
||||
if (of_device_is_compatible(np, "ibm,plb-pciex-476fpe")
|
||||
|| of_device_is_compatible(np, "ibm,plb-pciex-476gtr"))
|
||||
ppc4xx_pciex_hwops = &ppc_476fpe_pcie_hwops;
|
||||
#endif
|
||||
if (ppc4xx_pciex_hwops == NULL) {
|
||||
|
|
@ -1751,7 +1752,10 @@ static int __init ppc4xx_setup_one_pciex_POM(struct ppc4xx_pciex_port *port,
|
|||
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL,
|
||||
sa | DCRO_PEGPL_460SX_OMR1MSKL_UOT
|
||||
| DCRO_PEGPL_OMRxMSKL_VAL);
|
||||
else if (of_device_is_compatible(port->node, "ibm,plb-pciex-476fpe"))
|
||||
else if (of_device_is_compatible(
|
||||
port->node, "ibm,plb-pciex-476fpe") ||
|
||||
of_device_is_compatible(
|
||||
port->node, "ibm,plb-pciex-476gtr"))
|
||||
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL,
|
||||
sa | DCRO_PEGPL_476FPE_OMR1MSKL_UOT
|
||||
| DCRO_PEGPL_OMRxMSKL_VAL);
|
||||
|
|
@ -1881,7 +1885,10 @@ static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
|
|||
sa |= PCI_BASE_ADDRESS_MEM_PREFETCH;
|
||||
|
||||
if (of_device_is_compatible(port->node, "ibm,plb-pciex-460sx") ||
|
||||
of_device_is_compatible(port->node, "ibm,plb-pciex-476fpe"))
|
||||
of_device_is_compatible(
|
||||
port->node, "ibm,plb-pciex-476fpe") ||
|
||||
of_device_is_compatible(
|
||||
port->node, "ibm,plb-pciex-476gtr"))
|
||||
sa |= PCI_BASE_ADDRESS_MEM_TYPE_64;
|
||||
|
||||
out_le32(mbase + PECFG_BAR0HMPA, RES_TO_U32_HIGH(sa));
|
||||
|
|
|
|||
Loading…
Reference in New Issue