From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from yow.seanm.ca (toronto-hs-216-138-233-67.s-ip.magma.ca [216.138.233.67]) by ozlabs.org (Postfix) with SMTP id BD75CDE205 for ; Wed, 9 Jan 2008 06:01:29 +1100 (EST) Message-ID: <4783C888.8080002@pikatech.com> Date: Tue, 08 Jan 2008 14:01:28 -0500 From: Sean MacLennan MIME-Version: 1.0 To: benh@kernel.crashing.org Subject: Re: [PATCH 2/2] Base Warp Platform support References: <477F0C46.6080900@pikatech.com> <1199517639.7291.45.camel@pasglop> In-Reply-To: <1199517639.7291.45.camel@pasglop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --- /dev/null 2005-11-20 22:22:37.000000000 -0500 +++ arch/powerpc/boot/cuboot-warp.c 2008-01-08 12:09:39.000000000 -0500 @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2008 PIKA Technologies + * Sean MacLennan + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "44x.h" +#include "cuboot.h" + +#define TARGET_44x +#include "ppcboot.h" + +static bd_t bd; + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + + warp_init(&bd.bi_enetaddr, &bd.bi_enet1addr); +} --- /dev/null 2005-11-20 22:22:37.000000000 -0500 +++ arch/powerpc/boot/dts/warp.dts 2008-01-08 12:04:10.000000000 -0500 @@ -0,0 +1,232 @@ +/* + * Device Tree Source for PIKA Warp + * + * Copyright (c) 2008 PIKA Technologies + * Sean MacLennan + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + */ + +/ { + #address-cells = <2>; + #size-cells = <1>; + model = "pika,warp"; + compatible = "pika,warp"; + dcr-parent = <&/cpus/cpu@0>; + + aliases { + ethernet0 = &EMAC0; + serial0 = &UART0; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,440EP"; + reg = <0>; + clock-frequency = <0>; /* Filled in by zImage */ + timebase-frequency = <0>; /* Filled in by zImage */ + i-cache-line-size = <20>; + d-cache-line-size = <20>; + i-cache-size = <8000>; + d-cache-size = <8000>; + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0 0>; /* Filled in by zImage */ + }; + + UIC0: interrupt-controller0 { + compatible = "ibm,uic-440ep","ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0c0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + }; + + UIC1: interrupt-controller1 { + compatible = "ibm,uic-440ep","ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0d0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <1e 4 1f 4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + SDR0: sdr { + compatible = "ibm,sdr-440ep"; + dcr-reg = <00e 002>; + }; + + CPR0: cpr { + compatible = "ibm,cpr-440ep"; + dcr-reg = <00c 002>; + }; + + plb { + compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; /* Filled in by zImage */ + + SDRAM0: sdram { + compatible = "ibm,sdram-440ep", "ibm,sdram-405gp"; + dcr-reg = <010 2>; + }; + + DMA0: dma { + compatible = "ibm,dma-440ep", "ibm,dma-440gp"; + dcr-reg = <100 027>; + }; + + FPGA0: fpga { + compatible = "pika,fpga"; + reg = <0 80000000 2200>; + interrupts = <18 8>; + interrupt-parent = <&UIC0>; + }; + + MAL0: mcmal { + compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal"; + dcr-reg = <180 62>; + num-tx-chans = <4>; + num-rx-chans = <2>; + interrupt-parent = <&MAL0>; + interrupts = <0 1 2 3 4>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = ; + }; + + POB0: opb { + compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <00000000 0 00000000 80000000 + 80000000 0 80000000 80000000>; + interrupt-parent = <&UIC1>; + interrupts = <7 4>; + clock-frequency = <0>; /* Filled in by zImage */ + + EBC0: ebc { + compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc"; + dcr-reg = <012 2>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; /* Filled in by zImage */ + interrupts = <5 1>; + interrupt-parent = <&UIC1>; + + nor_flash@0,0 { + /* Really spansion */ + compatible = "amd,s29gl512n", "cfi-flash"; + bank-width = <2>; + reg = <0 ffc00000 4000000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "kernel"; + reg = <0 180000>; + }; + partition@180000 { + label = "root"; + reg = <180000 3480000>; + }; + partition@3600000 { + label = "user"; + reg = <3600000 900000>; + }; + partition@3f00000 { + label = "fpga"; + reg = <3f00000 40000>; + }; + partition@3f40000 { + label = "env"; + reg = <3f40000 40000>; + }; + partition@3f80000 { + label = "u-boot"; + reg = <3f80000 80000>; + }; + }; + }; + + UART0: serial@ef600300 { + device_type = "serial"; + compatible = "ns16550"; + reg = ; + virtual-reg = ; + clock-frequency = <0>; /* Filled in by zImage */ + current-speed = <1c200>; + interrupt-parent = <&UIC0>; + interrupts = <0 4>; + }; + + IIC0: i2c@ef600700 { + device_type = "i2c"; + compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic"; + reg = ; + interrupt-parent = <&UIC0>; + interrupts = <2 4>; + }; + + ZMII0: emac-zmii@ef600d00 { + device_type = "zmii-interface"; + compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii"; + reg = ; + }; + + EMAC0: ethernet@ef600e00 { + linux,network-index = <0>; + device_type = "network"; + compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1c 4 1d 4>; + reg = ; + local-mac-address = [000000000000]; + mal-device = <&MAL0>; + mal-tx-channel = <0 1>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000000>; + zmii-device = <&ZMII0>; + zmii-channel = <0>; + }; + + usb@ef601000 { + compatible = "ohci-be"; + reg = ; + interrupts = <8 1 9 1>; + interrupt-parent = < &UIC1 >; + }; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@ef600300"; + }; +}; --- /dev/null 2005-11-20 22:22:37.000000000 -0500 +++ arch/powerpc/boot/warp.c 2008-01-08 12:09:54.000000000 -0500 @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2008 PIKA Technologies + * Sean MacLennan + * + * 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; version 2 of the License + */ +#include "ops.h" +#include "4xx.h" +#include "44x.h" + +static u8 *warp_mac0, *warp_mac1; + +static void warp_fixups(void) +{ + unsigned long sysclk = 66000000; + + ibm440ep_fixup_clocks(sysclk, 11059200, 50000000); + ibm4xx_sdram_fixup_memsize(); + ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00); + dt_fixup_mac_addresses(warp_mac0, warp_mac1); +} + +void warp_init(void *mac0, void *mac1) +{ + platform_ops.fixups = warp_fixups; + platform_ops.exit = ibm44x_dbcr_reset; + warp_mac0 = mac0; + warp_mac1 = mac1; + fdt_init(_dtb_start); + serial_console_init(); +}