[POWERPC] 85xx: Add initial MPC8544 DS platform files.
This patch provides the basic MPC8544 DS platform code and config. Follow-up patches will add peripherals such as PCI and SATA. Signed-off-by: Xianghua Xiao <x.xiao@freescale.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Jon Loeliger
Kumar Gala
Родитель
23308c54d5
Коммит
d93daf8481
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@ -0,0 +1,136 @@
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/*
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* MPC8544 DS Device Tree Source
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*
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* Copyright 2007 Freescale Semiconductor Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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/ {
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model = "MPC8544DS";
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compatible = "MPC8544DS", "MPC85xxDS";
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#address-cells = <1>;
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#size-cells = <1>;
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cpus {
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#cpus = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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PowerPC,8544@0 {
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device_type = "cpu";
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reg = <0>;
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d-cache-line-size = <20>; // 32 bytes
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i-cache-line-size = <20>; // 32 bytes
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d-cache-size = <8000>; // L1, 32K
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i-cache-size = <8000>; // L1, 32K
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timebase-frequency = <0>;
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bus-frequency = <0>;
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clock-frequency = <0>;
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32-bit;
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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 = <00000000 00000000>; // Filled by U-Boot
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};
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soc8544@e0000000 {
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#address-cells = <1>;
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#size-cells = <1>;
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#interrupt-cells = <2>;
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device_type = "soc";
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ranges = <0 e0000000 00100000>;
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reg = <e0000000 00100000>; // CCSRBAR 1M
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bus-frequency = <0>; // Filled out by uboot.
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i2c@3000 {
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device_type = "i2c";
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compatible = "fsl-i2c";
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reg = <3000 100>;
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interrupts = <1b 2>;
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interrupt-parent = <&mpic>;
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dfsrr;
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};
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mdio@24520 {
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#address-cells = <1>;
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#size-cells = <0>;
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device_type = "mdio";
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compatible = "gianfar";
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reg = <24520 20>;
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phy0: ethernet-phy@0 {
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interrupt-parent = <&mpic>;
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interrupts = <3a 1>;
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reg = <0>;
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device_type = "ethernet-phy";
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};
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phy1: ethernet-phy@1 {
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interrupt-parent = <&mpic>;
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interrupts = <3a 1>;
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reg = <1>;
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device_type = "ethernet-phy";
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};
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};
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ethernet@24000 {
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#address-cells = <1>;
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#size-cells = <0>;
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device_type = "network";
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model = "TSEC";
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compatible = "gianfar";
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reg = <24000 1000>;
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local-mac-address = [ 00 00 00 00 00 00 ];
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interrupts = <d 2 e 2 12 2>;
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interrupt-parent = <&mpic>;
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phy-handle = <&phy0>;
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};
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ethernet@26000 {
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#address-cells = <1>;
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#size-cells = <0>;
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device_type = "network";
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model = "TSEC";
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compatible = "gianfar";
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reg = <26000 1000>;
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local-mac-address = [ 00 00 00 00 00 00 ];
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interrupts = <f 2 10 2 11 2>;
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interrupt-parent = <&mpic>;
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phy-handle = <&phy1>;
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};
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serial@4500 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <4500 100>;
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clock-frequency = <0>;
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interrupts = <1a 2>;
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interrupt-parent = <&mpic>;
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};
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serial@4600 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <4600 100>;
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clock-frequency = <0>;
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interrupts = <1a 2>;
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interrupt-parent = <&mpic>;
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};
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mpic: pic@40000 {
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clock-frequency = <0>;
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interrupt-controller;
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#address-cells = <0>;
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#interrupt-cells = <2>;
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reg = <40000 40000>;
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built-in;
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compatible = "chrp,open-pic";
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device_type = "open-pic";
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big-endian;
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};
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};
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};
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@ -30,6 +30,12 @@ config MPC85xx_MDS
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help
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This option enables support for the MPC85xx MDS board
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config MPC8544_DS
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bool "Freescale MPC8544 DS"
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select DEFAULT_UIMAGE
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help
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This option enables support for the MPC8544 DS board
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endchoice
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config MPC8540
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@ -47,7 +53,8 @@ config MPC85xx
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bool
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select PPC_UDBG_16550
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select PPC_INDIRECT_PCI
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default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS || MPC85xx_MDS
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default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
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|| MPC85xx_MDS || MPC8544_DS
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config PPC_INDIRECT_PCI_BE
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bool
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@ -5,4 +5,5 @@ obj-$(CONFIG_PPC_85xx) += misc.o pci.o
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obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
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obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
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obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
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obj-$(CONFIG_MPC8544_DS) += mpc8544_ds.o
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obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
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@ -0,0 +1,144 @@
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/*
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* MPC8544 DS Board Setup
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*
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* Author Xianghua Xiao (x.xiao@freescale.com)
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* Copyright 2007 Freescale Semiconductor Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/kdev_t.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <asm/system.h>
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#include <asm/time.h>
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#include <asm/machdep.h>
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#include <asm/mpc85xx.h>
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#include <mm/mmu_decl.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include <asm/i8259.h>
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#include <sysdev/fsl_soc.h>
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#include "mpc85xx.h"
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#undef DEBUG
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#ifdef DEBUG
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#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
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#else
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#define DBG(fmt, args...)
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#endif
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void __init mpc8544_ds_pic_init(void)
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{
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struct mpic *mpic;
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struct resource r;
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struct device_node *np = NULL;
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#ifdef CONFIG_PPC_I8259
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struct device_node *cascade_node = NULL;
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int cascade_irq;
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#endif
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np = of_find_node_by_type(np, "open-pic");
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if (np == NULL) {
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printk(KERN_ERR "Could not find open-pic node\n");
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return;
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}
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if (of_address_to_resource(np, 0, &r)) {
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printk(KERN_ERR "Failed to map mpic register space\n");
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of_node_put(np);
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return;
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}
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/* Alloc mpic structure and per isu has 16 INT entries. */
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mpic = mpic_alloc(np, r.start,
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MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
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16, 64, " OPENPIC ");
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BUG_ON(mpic == NULL);
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/*
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* 48 Internal Interrupts
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*/
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mpic_assign_isu(mpic, 0, r.start + 0x10200);
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mpic_assign_isu(mpic, 1, r.start + 0x10400);
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mpic_assign_isu(mpic, 2, r.start + 0x10600);
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/*
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* 16 External interrupts
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*/
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mpic_assign_isu(mpic, 3, r.start + 0x10000);
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mpic_init(mpic);
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#ifdef CONFIG_PPC_I8259
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/* Initialize the i8259 controller */
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for_each_node_by_type(np, "interrupt-controller")
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if (device_is_compatible(np, "chrp,iic")) {
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cascade_node = np;
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break;
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}
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if (cascade_node == NULL) {
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printk(KERN_DEBUG "Could not find i8259 PIC\n");
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return;
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}
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cascade_irq = irq_of_parse_and_map(cascade_node, 0);
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if (cascade_irq == NO_IRQ) {
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printk(KERN_ERR "Failed to map cascade interrupt\n");
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return;
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}
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DBG("mpc8544ds: cascade mapped to irq %d\n", cascade_irq);
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i8259_init(cascade_node, 0);
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of_node_put(cascade_node);
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set_irq_chained_handler(cascade_irq, mpc8544_8259_cascade);
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#endif /* CONFIG_PPC_I8259 */
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}
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/*
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* Setup the architecture
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*/
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static void __init mpc8544_ds_setup_arch(void)
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{
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if (ppc_md.progress)
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ppc_md.progress("mpc8544_ds_setup_arch()", 0);
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printk("MPC8544 DS board from Freescale Semiconductor\n");
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}
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/*
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* Called very early, device-tree isn't unflattened
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*/
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static int __init mpc8544_ds_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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return of_flat_dt_is_compatible(root, "MPC8544DS");
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}
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define_machine(mpc8544_ds) {
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.name = "MPC8544 DS",
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.probe = mpc8544_ds_probe,
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.setup_arch = mpc8544_ds_setup_arch,
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.init_IRQ = mpc8544_ds_pic_init,
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.get_irq = mpic_get_irq,
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.restart = mpc85xx_restart,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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