sdhc/mpc8536 - SDCard always detected like read-only

Carlos Roberto Moratelli carlos.moratelli at digitel.com.br
Wed Apr 6 05:19:31 EST 2011


Em Ter, 2011-04-05 às 21:02 +0200, Wolfram Sang escreveu:
> > Every idea or tip is apreciated.
> 
> Please post your dts.
> 

/*
 * MPC8536 DS Device Tree Source
 *
 * Copyright 2008-2009 Freescale Semiconductor, Inc.
 *
 * 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.
 */

/dts-v1/;

/ {
	model = "fsl,mpc8536ds";
	compatible = "fsl,mpc8536ds";
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		ethernet0 = &enet0;
		serial0 = &serial0;
		serial1 = &serial1;
		pci1 = &pci1;
	};

	cpus {
		#cpus = <1>;
		#address-cells = <1>;
		#size-cells = <0>;

		PowerPC,8536 at 0 {
			device_type = "cpu";
			reg = <0>;
			next-level-cache = <&L2>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0 0 0 0>;	// Filled by U-Boot
	};

	soc at fffe00000 {
		#address-cells = <1>;
		#size-cells = <1>;
		device_type = "soc";
		compatible = "simple-bus";
		ranges = <0x0 0xf 0xffe00000 0x100000>;
		bus-frequency = <0>;		// Filled out by uboot.

		ecm-law at 0 {
			compatible = "fsl,ecm-law";
			reg = <0x0 0x1000>;
			fsl,num-laws = <12>;
		};

		ecm at 1000 {
			compatible = "fsl,mpc8536-ecm", "fsl,ecm";
			reg = <0x1000 0x1000>;
			interrupts = <17 2>;
			interrupt-parent = <&mpic>;
		};

		memory-controller at 2000 {
			compatible = "fsl,mpc8536-memory-controller";
			reg = <0x2000 0x1000>;
			interrupt-parent = <&mpic>;
			interrupts = <18 0x2>;
		};

		L2: l2-cache-controller at 20000 {
			compatible = "fsl,mpc8536-l2-cache-controller";
			reg = <0x20000 0x1000>;
			interrupt-parent = <&mpic>;
			interrupts = <16 0x2>;
		};

		i2c at 3000 {
			#address-cells = <1>;
			#size-cells = <0>;
			cell-index = <0>;
			compatible = "fsl-i2c";
			reg = <0x3000 0x100>;
			interrupts = <43 0x2>;
			interrupt-parent = <&mpic>;
			dfsrr;

			hwmon at 48 {
				compatible = "national,lm73";
				reg = <0x49>;
			};

			rtc at 68 {
				compatible = "rtc-m41t80,m41t82";
				reg = <0x68>;
			};

			lm90 at 4C {
				compatible = "lm90,adt7461";
				reg = <0x4C>;
			};
			
			
		};

		i2c at 3100 {
			#address-cells = <1>;
			#size-cells = <0>;
			cell-index = <1>;
			compatible = "fsl-i2c";
			reg = <0x3100 0x100>;
			interrupts = <43 0x2>;
			interrupt-parent = <&mpic>;
			dfsrr;

			sfp at 50 {
				compatible = "sfp_teste,sfp_teste";
				reg = <0x50>;
			};

			bcm56334 at 44{
				compatible = "bcm56334,bcm56334";
				reg = <0x44>;
			};

		};

		spi at 7000 {
			cell-index = <0>;
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl,mpc8536-espi";
			reg = <0x7000 0x1000>;
			interrupts = <59 0x2>;
			interrupt-parent = <&mpic>;
			fsl,espi-num-chipselects = <4>;
			mode = "cpu";

		};

		dma at 21300 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "fsl,mpc8536-dma", "fsl,eloplus-dma";
			reg = <0x21300 4>;
			ranges = <0 0x21100 0x200>;
			cell-index = <0>;
			dma-channel at 0 {
				compatible = "fsl,mpc8536-dma-channel",
					     "fsl,eloplus-dma-channel";
				reg = <0x0 0x80>;
				cell-index = <0>;
				interrupt-parent = <&mpic>;
				interrupts = <20 2>;
			};
			dma-channel at 80 {
				compatible = "fsl,mpc8536-dma-channel",
					     "fsl,eloplus-dma-channel";
				reg = <0x80 0x80>;
				cell-index = <1>;
				interrupt-parent = <&mpic>;
				interrupts = <21 2>;
			};
			dma-channel at 100 {
				compatible = "fsl,mpc8536-dma-channel",
					     "fsl,eloplus-dma-channel";
				reg = <0x100 0x80>;
				cell-index = <2>;
				interrupt-parent = <&mpic>;
				interrupts = <22 2>;
			};
			dma-channel at 180 {
				compatible = "fsl,mpc8536-dma-channel",
					     "fsl,eloplus-dma-channel";
				reg = <0x180 0x80>;
				cell-index = <3>;
				interrupt-parent = <&mpic>;
				interrupts = <23 2>;
			};
		};

		usb at 22000 {
			compatible = "fsl,mpc8536-usb2-mph", "fsl-usb2-mph";
			reg = <0x22000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupt-parent = <&mpic>;
			interrupts = <28 0x2>;
			phy_type = "ulpi";
		};

		usb at 23000 {
			compatible = "fsl,mpc8536-usb2-mph", "fsl-usb2-mph";
			reg = <0x23000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupt-parent = <&mpic>;
			interrupts = <46 0x2>;
			phy_type = "ulpi";
		};

		enet0: ethernet at 24000 {
			#address-cells = <1>;
			#size-cells = <1>;
			cell-index = <0>;
			device_type = "network";
			model = "eTSEC";
			compatible = "gianfar";
			reg = <0x24000 0x1000>;
			ranges = <0x0 0x24000 0x1000>;
			local-mac-address = [ 00 00 00 00 00 00 ];
			interrupts = <29 2 30 2 34 2>;
			interrupt-parent = <&mpic>;
			tbi-handle = <&tbi0>;
			phy-handle = <&phy1>;
			phy-connection-type = "rgmii-id";

			mdio at 520 {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "fsl,gianfar-mdio";
				reg = <0x520 0x20>;

				phy0: ethernet-phy at 0 {
					interrupt-parent = <&mpic>;
					interrupts = <10 0x1>;
					reg = <0>;
					device_type = "ethernet-phy";
				};
				phy1: ethernet-phy at 1 {
					interrupt-parent = <&mpic>;
					interrupts = <10 0x1>;
					reg = <1>;
					device_type = "ethernet-phy";
				};
				tbi0: tbi-phy at 11 {
					reg = <0x11>;
					device_type = "tbi-phy";
				};
			};
		};

		usb at 2b000 {
			compatible = "fsl,mpc8536-usb2-dr", "fsl-usb2-dr";
			reg = <0x2b000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupt-parent = <&mpic>;
			interrupts = <60 0x2>;
			dr_mode = "peripheral";
			phy_type = "ulpi";
		};

		sdhci at 2e000 {
			compatible = "fsl,mpc8536-esdhc", "fsl,esdhc";
			reg = <0x2e000 0x1000>;
			interrupts = <72 0x2>;
			interrupt-parent = <&mpic>;
			/* Filled in by U-Boot */
			clock-frequency = <0>;
		};
		
		serial0: serial at 4500 {
			cell-index = <0>;
			device_type = "serial";
			compatible = "ns16550";
			reg = <0x4500 0x100>;
			clock-frequency = <0>;
			interrupts = <42 0x2>;
			interrupt-parent = <&mpic>;
		};

		serial1: serial at 4600 {
			cell-index = <1>;
			device_type = "serial";
			compatible = "ns16550";
			reg = <0x4600 0x100>;
			clock-frequency = <0>;
			interrupts = <42 0x2>;
			interrupt-parent = <&mpic>;
		};

		crypto at 30000 {
			compatible = "fsl,sec3.0", "fsl,sec2.4", "fsl,sec2.2",
				     "fsl,sec2.1", "fsl,sec2.0";
			reg = <0x30000 0x10000>;
			interrupts = <45 2 58 2>;
			interrupt-parent = <&mpic>;
			fsl,num-channels = <4>;
			fsl,channel-fifo-len = <24>;
			fsl,exec-units-mask = <0x9fe>;
			fsl,descriptor-types-mask = <0x3ab0ebf>;
		};

		sata at 18000 {
			compatible = "fsl,mpc8536-sata", "fsl,pq-sata";
			reg = <0x18000 0x1000>;
			cell-index = <1>;
			interrupts = <74 0x2>;
			interrupt-parent = <&mpic>;
		};

		sata at 19000 {
			compatible = "fsl,mpc8536-sata", "fsl,pq-sata";
			reg = <0x19000 0x1000>;
			cell-index = <2>;
			interrupts = <41 0x2>;
			interrupt-parent = <&mpic>;
		};

		global-utilities at e0000 {	//global utilities block
			compatible = "fsl,mpc8548-guts";
			reg = <0xe0000 0x1000>;
			fsl,has-rstcr;
		};

		mpic: pic at 40000 {
			clock-frequency = <0>;
			interrupt-controller;
			#address-cells = <0>;
			#interrupt-cells = <2>;
			reg = <0x40000 0x40000>;
			compatible = "chrp,open-pic";
			device_type = "open-pic";
			big-endian;
		};

		msi at 41600 {
			compatible = "fsl,mpc8536-msi", "fsl,mpic-msi";
			reg = <0x41600 0x80>;
			msi-available-ranges = <0 0x100>;
			interrupts = <
				0xe0 0
				0xe1 0
				0xe2 0
				0xe3 0
				0xe4 0
				0xe5 0
				0xe6 0
				0xe7 0>;
			interrupt-parent = <&mpic>;
		};
	};

	pci1: pcie at fffe0a000 {
		compatible = "fsl,mpc8548-pcie";
		device_type = "pci";
		#interrupt-cells = <1>;
		#size-cells = <2>;
		#address-cells = <3>;
		reg = <0xf 0xffe0a000 0 0x1000>;
		bus-range = <0 0xff>;
		ranges = <0x02000000 0 0xf8000000 0xc 0x10000000 0 0x08000000
			  0x01000000 0 0x00000000 0xf 0xffc10000 0 0x0010000>;
		clock-frequency = <66666666>;
		interrupt-parent = <&mpic>;
		interrupts = <26 0x2>;
		interrupt-map-mask = <0xf800 0 0 7>;
		interrupt-map = <
			/* IDSEL 0x0 */
			0000 0 0 1 &mpic 0 1
			0000 0 0 2 &mpic 1 1
			0000 0 0 3 &mpic 2 1
			0000 0 0 4 &mpic 3 1
			>;
		pcie at 0 {
			reg = <0 0 0 0 0>;
			#size-cells = <2>;
			#address-cells = <3>;
			device_type = "pci";
			ranges = <0x02000000 0 0xf8000000
				  0x02000000 0 0xf8000000
				  0 0x08000000

				  0x01000000 0 0x00000000
				  0x01000000 0 0x00000000
				  0 0x00010000>;
		};
	};

};






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