powerpc/86xx: Board support for GE Fanuc SBC310 (bb2b66dc) · Commits · e / devices / android_kernel_samsung_universal8895

arch/powerpc/boot/dts/gef_sbc310.dts

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			/*
			* GE Fanuc SBC310 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_sbc310.dtb gef_sbc310.dts
			*/

			/dts-v1/;

			/ {
			model = "GEF_SBC310";
			compatible = "gef,sbc310";
			#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
			};

			localbus@fef05000 {
			#address-cells = <2>;
			#size-cells = <1>;
			compatible = "fsl,mpc8641-localbus", "simple-bus";
			reg = <0xfef05000 0x1000>;
			interrupts = <19 2>;
			interrupt-parent = <&mpic>;

			ranges = <0 0 0xff000000 0x01000000 // 16MB Boot flash
			1 0 0xe0000000 0x08000000 // Paged Flash 0
			2 0 0xe8000000 0x08000000 // Paged Flash 1
			3 0 0xfc100000 0x00020000 // NVRAM
			4 0 0xfc000000 0x00010000>; // FPGA

			/* flash@0,0 is a mirror of part of the memory in flash@1,0
			flash@0,0 {
			compatible = "cfi-flash";
			reg = <0 0 0x01000000>;
			bank-width = <2>;
			device-width = <2>;
			#address-cells = <1>;
			#size-cells = <1>;
			partition@0 {
			label = "firmware";
			reg = <0x00000000 0x01000000>;
			read-only;
			};
			};
			*/

			flash@1,0 {
			compatible = "cfi-flash";
			reg = <1 0 0x8000000>;
			bank-width = <2>;
			device-width = <2>;
			#address-cells = <1>;
			#size-cells = <1>;
			partition@0 {
			label = "user";
			reg = <0x00000000 0x07800000>;
			};
			partition@7800000 {
			label = "firmware";
			reg = <0x07800000 0x00800000>;
			read-only;
			};
			};

			fpga@4,0 {
			compatible = "gef,fpga-regs";
			reg = <0x4 0x0 0x40>;
			};

			wdt@4,2000 {
			#interrupt-cells = <2>;
			device_type = "watchdog";
			compatible = "gef,fpga-wdt";
			reg = <0x4 0x2000 0x8>;
			interrupts = <0x1a 0x4>;
			interrupt-parent = <&gef_pic>;
			};
			/*
			wdt@4,2010 {
			#interrupt-cells = <2>;
			device_type = "watchdog";
			compatible = "gef,fpga-wdt";
			reg = <0x4 0x2010 0x8>;
			interrupts = <0x1b 0x4>;
			interrupt-parent = <&gef_pic>;
			};
			*/
			gef_pic: pic@4,4000 {
			#interrupt-cells = <1>;
			interrupt-controller;
			compatible = "gef,fpga-pic";
			reg = <0x4 0x4000 0x20>;
			interrupts = <0x8
			0x9>;
			interrupt-parent = <&mpic>;

			};
			gef_gpio: gpio@4,8000 {
			#gpio-cells = <2>;
			compatible = "gef,sbc310-gpio";
			reg = <0x4 0x8000 0x24>;
			gpio-controller;
			};
			};

			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 = <33333333>;

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

			rtc@51 {
			compatible = "epson,rx8581";
			reg = <0x00000051>;
			};
			};

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

			hwmon@48 {
			compatible = "national,lm92";
			reg = <0x48>;
			};

			hwmon@4c {
			compatible = "adi,adt7461";
			reg = <0x4c>;
			};

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

			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 = <&gef_pic>;
			interrupts = <0x9 0x4>;
			reg = <1>;
			};
			phy2: ethernet-phy@2 {
			interrupt-parent = <&gef_pic>;
			interrupts = <0x8 0x4>;
			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 0x2
			0x0000 0x0 0x0 0x2 &mpic 0x1 0x2
			0x0000 0x0 0x0 0x3 &mpic 0x2 0x2
			0x0000 0x0 0x0 0x4 &mpic 0x3 0x2
			>;

			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>;
			};
			};
			};

arch/powerpc/platforms/86xx/Kconfig

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	@@ -31,6 +31,14 @@ config MPC8610_HPCD
	help		help
	This option enables support for the MPC8610 HPCD board.		This option enables support for the MPC8610 HPCD board.

			config GEF_SBC310
			bool "GE Fanuc SBC310"
			select DEFAULT_UIMAGE
			select GENERIC_GPIO
			select ARCH_REQUIRE_GPIOLIB
			help
			This option enables support for GE Fanuc's SBC310.

	config GEF_SBC610		config GEF_SBC610
	bool "GE Fanuc SBC610"		bool "GE Fanuc SBC610"
	select DEFAULT_UIMAGE		select DEFAULT_UIMAGE
	@@ -48,7 +56,7 @@ config MPC8641
	select FSL_PCI if PCI		select FSL_PCI if PCI
	select PPC_UDBG_16550		select PPC_UDBG_16550
	select MPIC		select MPIC
	default y if MPC8641_HPCN \|\| SBC8641D \|\| GEF_SBC610		default y if MPC8641_HPCN \|\| SBC8641D \|\| GEF_SBC610 \|\| GEF_SBC310

	config MPC8610		config MPC8610
	bool		bool

arch/powerpc/platforms/86xx/Makefile

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	@@ -9,3 +9,4 @@ obj-$(CONFIG_SBC8641D) += sbc8641d.o
	obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o		obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o
	gef-gpio-$(CONFIG_GPIOLIB) += gef_gpio.o		gef-gpio-$(CONFIG_GPIOLIB) += gef_gpio.o
	obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o gef_pic.o $(gef-gpio-y)		obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o gef_pic.o $(gef-gpio-y)
			obj-$(CONFIG_GEF_SBC310) += gef_sbc310.o gef_pic.o $(gef-gpio-y)

arch/powerpc/platforms/86xx/gef_sbc310.c

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			/*
			* GE Fanuc SBC310 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.
			*
			* NEC fixup adapted from arch/mips/pci/fixup-lm2e.c
			*/

			#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"
			#include "gef_pic.h"

			#undef DEBUG

			#ifdef DEBUG
			#define DBG (fmt...) do { printk(KERN_ERR "SBC310: " fmt); } while (0)
			#else
			#define DBG (fmt...) do { } while (0)
			#endif

			void __iomem *sbc310_regs;

			static void __init gef_sbc310_init_irq(void)
			{
			struct device_node *cascade_node = NULL;

			mpc86xx_init_irq();

			/*
			* There is a simple interrupt handler in the main FPGA, this needs
			* to be cascaded into the MPIC
			*/
			cascade_node = of_find_compatible_node(NULL, NULL, "gef,fpga-pic");
			if (!cascade_node) {
			printk(KERN_WARNING "SBC310: No FPGA PIC\n");
			return;
			}

			gef_pic_init(cascade_node);
			of_node_put(cascade_node);
			}

			static void __init gef_sbc310_setup_arch(void)
			{
			struct device_node *regs;
			#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 SBC310 6U VPX SBC\n");

			#ifdef CONFIG_SMP
			mpc86xx_smp_init();
			#endif

			/* Remap basic board registers */
			regs = of_find_compatible_node(NULL, NULL, "gef,fpga-regs");
			if (regs) {
			sbc310_regs = of_iomap(regs, 0);
			if (sbc310_regs == NULL)
			printk(KERN_WARNING "Unable to map board registers\n");
			of_node_put(regs);
			}
			}

			/* Return the PCB revision */
			static unsigned int gef_sbc310_get_board_id(void)
			{
			unsigned int reg;

			reg = ioread32(sbc310_regs);
			return reg & 0xff;
			}

			/* Return the PCB revision */
			static unsigned int gef_sbc310_get_pcb_rev(void)
			{
			unsigned int reg;

			reg = ioread32(sbc310_regs);
			return (reg >> 8) & 0xff;
			}

			/* Return the board (software) revision */
			static unsigned int gef_sbc310_get_board_rev(void)
			{
			unsigned int reg;

			reg = ioread32(sbc310_regs);
			return (reg >> 16) & 0xff;
			}

			/* Return the FPGA revision */
			static unsigned int gef_sbc310_get_fpga_rev(void)
			{
			unsigned int reg;

			reg = ioread32(sbc310_regs);
			return (reg >> 24) & 0xf;
			}

			static void gef_sbc310_show_cpuinfo(struct seq_file *m)
			{
			uint svid = mfspr(SPRN_SVR);

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

			seq_printf(m, "Board ID\t: 0x%2.2x\n", gef_sbc310_get_board_id());
			seq_printf(m, "Revision\t: %u%c\n", gef_sbc310_get_pcb_rev(),
			('A' + gef_sbc310_get_board_rev() - 1));
			seq_printf(m, "FPGA Revision\t: %u\n", gef_sbc310_get_fpga_rev());

			seq_printf(m, "SVR\t\t: 0x%x\n", svid);

			}

			static void __init gef_sbc310_nec_fixup(struct pci_dev *pdev)
			{
			unsigned int val;

			printk(KERN_INFO "Running NEC uPD720101 Fixup\n");

			/* Ensure only ports 1 & 2 are enabled */
			pci_read_config_dword(pdev, 0xe0, &val);
			pci_write_config_dword(pdev, 0xe0, (val & ~7) \| 0x2);

			/* System clock is 48-MHz Oscillator and EHCI Enabled. */
			pci_write_config_dword(pdev, 0xe4, 1 << 5);
			}
			DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
			gef_sbc310_nec_fixup);

			/*
			* 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_sbc310_probe(void)
			{
			unsigned long root = of_get_flat_dt_root();

			if (of_flat_dt_is_compatible(root, "gef,sbc310"))
			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_sbc310, declare_of_platform_devices);

			define_machine(gef_sbc310) {
			.name = "GE Fanuc SBC310",
			.probe = gef_sbc310_probe,
			.setup_arch = gef_sbc310_setup_arch,
			.init_IRQ = gef_sbc310_init_irq,
			.show_cpuinfo = gef_sbc310_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
			};

drivers/watchdog/Kconfig

+1 −1

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	@@ -772,7 +772,7 @@ config TXX9_WDT

	config GEF_WDT		config GEF_WDT
	tristate "GE Fanuc Watchdog Timer"		tristate "GE Fanuc Watchdog Timer"
	depends on GEF_SBC610		depends on GEF_SBC610 \|\| GEF_SBC310
	---help---		---help---
	Watchdog timer found in a number of GE Fanuc single board computers.		Watchdog timer found in a number of GE Fanuc single board computers.