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Commit 54508214 authored by Martyn Welch's avatar Martyn Welch Committed by Kumar Gala
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powerpc: Board support for GE Fanuc SBC610



Support for the SBC610 VPX Single Board Computer from GE Fanuc (PowerPC
MPC8641D).

This is the basic board support for GE Fanuc's SBC610, a 6U single board
computer, based on Freescale's MPC8641D.

Signed-off-by: default avatarMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 66576a87
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+260 −0
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/*
 * GE Fanuc SBC610 Device Tree Source
 *
 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, 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.
 *
 * Based on: SBS CM6 Device Tree Source
 * Copyright 2007 SBS Technologies GmbH & Co. KG
 * And: mpc8641_hpcn.dts (MPC8641 HPCN Device Tree Source)
 * Copyright 2006 Freescale Semiconductor Inc.
 */

/*
 * Compiled with dtc -I dts -O dtb -o gef_sbc610.dtb gef_sbc610.dts
 */

/dts-v1/;

/ {
	model = "GEF_SBC610";
	compatible = "gef,sbc610";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		ethernet0 = &enet0;
		ethernet1 = &enet1;
		serial0 = &serial0;
		serial1 = &serial1;
		pci0 = &pci0;
	};

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

		PowerPC,8641@0 {
			device_type = "cpu";
			reg = <0>;
			d-cache-line-size = <32>;	// 32 bytes
			i-cache-line-size = <32>;	// 32 bytes
			d-cache-size = <32768>;		// L1, 32K
			i-cache-size = <32768>;		// L1, 32K
			timebase-frequency = <0>;	// From uboot
			bus-frequency = <0>;		// From uboot
			clock-frequency = <0>;		// From uboot
		};
		PowerPC,8641@1 {
			device_type = "cpu";
			reg = <1>;
			d-cache-line-size = <32>;	// 32 bytes
			i-cache-line-size = <32>;	// 32 bytes
			d-cache-size = <32768>;		// L1, 32K
			i-cache-size = <32768>;		// L1, 32K
			timebase-frequency = <0>;	// From uboot
			bus-frequency = <0>;		// From uboot
			clock-frequency = <0>;		// From uboot
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x40000000>;	// set by uboot
	};

	soc@fef00000 {
		#address-cells = <1>;
		#size-cells = <1>;
		#interrupt-cells = <2>;
		device_type = "soc";
		compatible = "simple-bus";
		ranges = <0x0 0xfef00000 0x00100000>;
		reg = <0xfef00000 0x100000>;	// CCSRBAR 1M
		bus-frequency = <0>;

		i2c1: i2c@3000 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl-i2c";
			reg = <0x3000 0x100>;
			interrupts = <0x2b 0x2>;
			interrupt-parent = <&mpic>;
			dfsrr;

			eti@6b {
				compatible = "dallas,ds1682";
				reg = <0x6b>;
			};
		};

		i2c2: i2c@3100 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl-i2c";
			reg = <0x3100 0x100>;
			interrupts = <0x2b 0x2>;
			interrupt-parent = <&mpic>;
			dfsrr;
		};

		dma@21300 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "fsl,mpc8641-dma", "fsl,eloplus-dma";
			reg = <0x21300 0x4>;
			ranges = <0x0 0x21100 0x200>;
			cell-index = <0>;
			dma-channel@0 {
				compatible = "fsl,mpc8641-dma-channel",
					   "fsl,eloplus-dma-channel";
				reg = <0x0 0x80>;
				cell-index = <0>;
				interrupt-parent = <&mpic>;
				interrupts = <20 2>;
			};
			dma-channel@80 {
				compatible = "fsl,mpc8641-dma-channel",
					   "fsl,eloplus-dma-channel";
				reg = <0x80 0x80>;
				cell-index = <1>;
				interrupt-parent = <&mpic>;
				interrupts = <21 2>;
			};
			dma-channel@100 {
				compatible = "fsl,mpc8641-dma-channel",
					   "fsl,eloplus-dma-channel";
				reg = <0x100 0x80>;
				cell-index = <2>;
				interrupt-parent = <&mpic>;
				interrupts = <22 2>;
			};
			dma-channel@180 {
				compatible = "fsl,mpc8641-dma-channel",
					   "fsl,eloplus-dma-channel";
				reg = <0x180 0x80>;
				cell-index = <3>;
				interrupt-parent = <&mpic>;
				interrupts = <23 2>;
			};
		};

		mdio@24520 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl,gianfar-mdio";
			reg = <0x24520 0x20>;

			phy0: ethernet-phy@0 {
				interrupt-parent = <&mpic>;
				interrupts = <0x0 0x1>;
				reg = <1>;
			};
			phy2: ethernet-phy@2 {
				interrupt-parent = <&mpic>;
				interrupts = <0x0 0x1>;
				reg = <3>;
			};
		};

		enet0: ethernet@24000 {
			device_type = "network";
			model = "eTSEC";
			compatible = "gianfar";
			reg = <0x24000 0x1000>;
			local-mac-address = [ 00 00 00 00 00 00 ];
			interrupts = <0x1d 0x2 0x1e 0x2 0x22 0x2>;
			interrupt-parent = <&mpic>;
			phy-handle = <&phy0>;
			phy-connection-type = "gmii";
		};

		enet1: ethernet@26000 {
			device_type = "network";
			model = "eTSEC";
			compatible = "gianfar";
			reg = <0x26000 0x1000>;
			local-mac-address = [ 00 00 00 00 00 00 ];
			interrupts = <0x1f 0x2 0x20 0x2 0x21 0x2>;
			interrupt-parent = <&mpic>;
			phy-handle = <&phy2>;
			phy-connection-type = "gmii";
		};

		serial0: serial@4500 {
			cell-index = <0>;
			device_type = "serial";
			compatible = "ns16550";
			reg = <0x4500 0x100>;
			clock-frequency = <0>;
			interrupts = <0x2a 0x2>;
			interrupt-parent = <&mpic>;
		};

		serial1: serial@4600 {
			cell-index = <1>;
			device_type = "serial";
			compatible = "ns16550";
			reg = <0x4600 0x100>;
			clock-frequency = <0>;
			interrupts = <0x1c 0x2>;
			interrupt-parent = <&mpic>;
		};

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

		global-utilities@e0000 {
			compatible = "fsl,mpc8641-guts";
			reg = <0xe0000 0x1000>;
			fsl,has-rstcr;
		};
	};

	pci0: pcie@fef08000 {
		compatible = "fsl,mpc8641-pcie";
		device_type = "pci";
		#interrupt-cells = <1>;
		#size-cells = <2>;
		#address-cells = <3>;
		reg = <0xfef08000 0x1000>;
		bus-range = <0x0 0xff>;
		ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x40000000
			  0x01000000 0x0 0x00000000 0xfe000000 0x0 0x00400000>;
		clock-frequency = <33333333>;
		interrupt-parent = <&mpic>;
		interrupts = <0x18 0x2>;
		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
		interrupt-map = <
			0x0000 0x0 0x0 0x1 &mpic 0x0 0x1
			0x0000 0x0 0x0 0x2 &mpic 0x1 0x1
			0x0000 0x0 0x0 0x3 &mpic 0x2 0x1
			0x0000 0x0 0x0 0x4 &mpic 0x3 0x1
		>;

		pcie@0 {
			reg = <0 0 0 0 0>;
			#size-cells = <2>;
			#address-cells = <3>;
			device_type = "pci";
			ranges = <0x02000000 0x0 0x80000000
				  0x02000000 0x0 0x80000000
				  0x0 0x40000000

				  0x01000000 0x0 0x00000000
				  0x01000000 0x0 0x00000000
				  0x0 0x00400000>;
		};
	};
};
+8 −1
Original line number Diff line number Diff line
@@ -31,6 +31,13 @@ config MPC8610_HPCD
	help
	  This option enables support for the MPC8610 HPCD board.

config GEF_SBC610
	bool "GE Fanuc SBC610"
	select DEFAULT_UIMAGE
	select HAS_RAPIDIO
	help
	  This option enables support for GE Fanuc's SBC610.

endif

config MPC8641
@@ -39,7 +46,7 @@ config MPC8641
	select FSL_PCI if PCI
	select PPC_UDBG_16550
	select MPIC
	default y if MPC8641_HPCN || SBC8641D
	default y if MPC8641_HPCN || SBC8641D || GEF_SBC610

config MPC8610
	bool
+1 −0
Original line number Diff line number Diff line
@@ -7,3 +7,4 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o
obj-$(CONFIG_MPC8641_HPCN)	+= mpc86xx_hpcn.o
obj-$(CONFIG_SBC8641D)		+= sbc8641d.o
obj-$(CONFIG_MPC8610_HPCD)	+= mpc8610_hpcd.o
obj-$(CONFIG_GEF_SBC610)	+= gef_sbc610.o
+149 −0
Original line number Diff line number Diff line
/*
 * GE Fanuc SBC610 board support
 *
 * Author: Martyn Welch <martyn.welch@gefanuc.com>
 *
 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, 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.
 *
 * Based on: mpc86xx_hpcn.c (MPC86xx HPCN board specific routines)
 * Copyright 2006 Freescale Semiconductor Inc.
 */

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/of_platform.h>

#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/mpc86xx.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>

#include <asm/mpic.h>

#include <sysdev/fsl_pci.h>
#include <sysdev/fsl_soc.h>

#include "mpc86xx.h"

#undef DEBUG

#ifdef DEBUG
#define DBG (fmt...) do { printk(KERN_ERR "SBC610: " fmt); } while (0)
#else
#define DBG (fmt...) do { } while (0)
#endif

static void __init gef_sbc610_setup_arch(void)
{
#ifdef CONFIG_PCI
	struct device_node *np;

	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
		fsl_add_bridge(np, 1);
	}
#endif

	printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n");

#ifdef CONFIG_SMP
	mpc86xx_smp_init();
#endif
}


static void gef_sbc610_show_cpuinfo(struct seq_file *m)
{
	struct device_node *root;
	uint memsize = total_memory;
	const char *model = "";
	uint svid = mfspr(SPRN_SVR);

	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");

	root = of_find_node_by_path("/");
	if (root)
		model = of_get_property(root, "model", NULL);
	seq_printf(m, "Machine\t\t: %s\n", model);
	of_node_put(root);

	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
}


/*
 * Called very early, device-tree isn't unflattened
 *
 * This function is called to determine whether the BSP is compatible with the
 * supplied device-tree, which is assumed to be the correct one for the actual
 * board. It is expected thati, in the future, a kernel may support multiple
 * boards.
 */
static int __init gef_sbc610_probe(void)
{
	unsigned long root = of_get_flat_dt_root();

	if (of_flat_dt_is_compatible(root, "gef,sbc610"))
		return 1;

	return 0;
}

static long __init mpc86xx_time_init(void)
{
	unsigned int temp;

	/* Set the time base to zero */
	mtspr(SPRN_TBWL, 0);
	mtspr(SPRN_TBWU, 0);

	temp = mfspr(SPRN_HID0);
	temp |= HID0_TBEN;
	mtspr(SPRN_HID0, temp);
	asm volatile("isync");

	return 0;
}

static __initdata struct of_device_id of_bus_ids[] = {
	{ .compatible = "simple-bus", },
	{},
};

static int __init declare_of_platform_devices(void)
{
	printk(KERN_DEBUG "Probe platform devices\n");
	of_platform_bus_probe(NULL, of_bus_ids, NULL);

	return 0;
}
machine_device_initcall(gef_sbc610, declare_of_platform_devices);

define_machine(gef_sbc610) {
	.name			= "GE Fanuc SBC610",
	.probe			= gef_sbc610_probe,
	.setup_arch		= gef_sbc610_setup_arch,
	.init_IRQ		= mpc86xx_init_irq,
	.show_cpuinfo		= gef_sbc610_show_cpuinfo,
	.get_irq		= mpic_get_irq,
	.restart		= fsl_rstcr_restart,
	.time_init		= mpc86xx_time_init,
	.calibrate_decr		= generic_calibrate_decr,
	.progress		= udbg_progress,
#ifdef CONFIG_PCI
	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
#endif
};