sh: SH7780 Solution Engine board support. (b7576230) · Commits · e / devices / android_kernel_teracube_emerald

arch/sh/Kconfig

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		@@ -100,6 +100,14 @@ config SH_7751_SOLUTION_ENGINE
		Select 7751 SolutionEngine if configuring for a Hitachi SH7751
		evaluation board.

		config SH_7780_SOLUTION_ENGINE
		bool "SolutionEngine7780"
		select SOLUTION_ENGINE
		select CPU_SUBTYPE_SH7780
		help
		Select 7780 SolutionEngine if configuring for a Renesas SH7780
		evaluation board.

		config SH_7300_SOLUTION_ENGINE
		bool "SolutionEngine7300"
		select SOLUTION_ENGINE

arch/sh/Makefile

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		@@ -89,6 +89,7 @@ core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
		# Boards
		machdir-$(CONFIG_SH_SOLUTION_ENGINE) := se/770x
		machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) := se/7751
		machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) := se/7780
		machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se/7300
		machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) := se/7343
		machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) := se/73180

arch/sh/boards/se/7780/Makefile

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		#
		# Makefile for the HITACHI UL SolutionEngine 7780 specific parts of the kernel
		#
		# This file is subject to the terms and conditions of the GNU General Public
		# License. See the file "COPYING" in the main directory of this archive
		# for more details.
		#
		#

		obj-y := setup.o irq.o

arch/sh/boards/se/7780/irq.c

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		/*
		* linux/arch/sh/boards/se/7780/irq.c
		*
		* Copyright (C) 2006,2007 Nobuhiro Iwamatsu
		*
		* Hitachi UL SolutionEngine 7780 Support.
		*
		* This file is subject to the terms and conditions of the GNU General Public
		* License. See the file "COPYING" in the main directory of this archive
		* for more details.
		*/
		#include <linux/init.h>
		#include <linux/irq.h>
		#include <linux/interrupt.h>
		#include <asm/irq.h>
		#include <asm/io.h>
		#include <asm/se7780.h>

		#define INTC_INTMSK0 0xFFD00044
		#define INTC_INTMSKCLR0 0xFFD00064

		static void disable_se7780_irq(unsigned int irq)
		{
		struct intc2_data *p = get_irq_chip_data(irq);
		ctrl_outl(1 << p->msk_shift, INTC_INTMSK0 + p->msk_offset);
		}

		static void enable_se7780_irq(unsigned int irq)
		{
		struct intc2_data *p = get_irq_chip_data(irq);
		ctrl_outl(1 << p->msk_shift, INTC_INTMSKCLR0 + p->msk_offset);
		}

		static struct irq_chip se7780_irq_chip __read_mostly = {
		.name = "SE7780",
		.mask = disable_se7780_irq,
		.unmask = enable_se7780_irq,
		.mask_ack = disable_se7780_irq,
		};

		static struct intc2_data intc2_irq_table[] = {
		{ 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT1 */
		{ 4, 0, 30, 0, 30, 3 }, /* daughter board EXTINT2 */
		{ 6, 0, 29, 0, 29, 3 }, /* daughter board EXTINT3 */
		{ 8, 0, 28, 0, 28, 3 }, /* SMC 91C111 (LAN) */
		{ 10, 0, 27, 0, 27, 3 }, /* daughter board EXTINT4 */
		{ 4, 0, 30, 0, 30, 3 }, /* daughter board EXTINT5 */
		{ 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT6 */
		{ 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT7 */
		{ 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT8 */
		{ 0 , 0, 24, 0, 24, 3 }, /* SM501 */
		};

		/*
		* Initialize IRQ setting
		*/
		void __init init_se7780_IRQ(void)
		{
		int i ;

		/* enable all interrupt at FPGA */
		ctrl_outw(0, FPGA_INTMSK1);
		/* mask SM501 interrupt */
		ctrl_outw((ctrl_inw(FPGA_INTMSK1) \| 0x0002), FPGA_INTMSK1);
		/* enable all interrupt at FPGA */
		ctrl_outw(0, FPGA_INTMSK2);

		/* set FPGA INTSEL register */
		/* FPGA + 0x06 */
		ctrl_outw( ((IRQPIN_SM501 << IRQPOS_SM501) \|
		(IRQPIN_SMC91CX << IRQPOS_SMC91CX)), FPGA_INTSEL1);

		/* FPGA + 0x08 */
		ctrl_outw(((IRQPIN_EXTINT4 << IRQPOS_EXTINT4) \|
		(IRQPIN_EXTINT3 << IRQPOS_EXTINT3) \|
		(IRQPIN_EXTINT2 << IRQPOS_EXTINT2) \|
		(IRQPIN_EXTINT1 << IRQPOS_EXTINT1)), FPGA_INTSEL2);

		/* FPGA + 0x0A */
		ctrl_outw((IRQPIN_PCCPW << IRQPOS_PCCPW), FPGA_INTSEL3);

		for (i = 0; i < ARRAY_SIZE(intc2_irq_table); i++) {
		disable_irq_nosync(intc2_irq_table[i].irq);
		set_irq_chip_and_handler_name( intc2_irq_table[i].irq, &se7780_irq_chip,
		handle_level_irq, "level");
		set_irq_chip_data( intc2_irq_table[i].irq, &intc2_irq_table[i] );
		disable_se7780_irq(intc2_irq_table[i].irq);
		}
		}

arch/sh/boards/se/7780/setup.c

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		/*
		* linux/arch/sh/boards/se/7780/setup.c
		*
		* Copyright (C) 2006,2007 Nobuhiro Iwamatsu
		*
		* Hitachi UL SolutionEngine 7780 Support.
		*
		* This file is subject to the terms and conditions of the GNU General Public
		* License. See the file "COPYING" in the main directory of this archive
		* for more details.
		*/
		#include <linux/init.h>
		#include <linux/platform_device.h>
		#include <asm/machvec.h>
		#include <asm/se7780.h>
		#include <asm/io.h>

		/* Heartbeat */
		static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3, 4, 5, 6, 7 };

		static struct resource heartbeat_resources[] = {
		[0] = {
		.start = PA_LED,
		.end = PA_LED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
		.flags = IORESOURCE_MEM,
		},
		};

		static struct platform_device heartbeat_device = {
		.name = "heartbeat",
		.id = -1,
		.dev = {
		.platform_data = heartbeat_bit_pos,
		},
		.num_resources = ARRAY_SIZE(heartbeat_resources),
		.resource = heartbeat_resources,
		};

		/* SMC91x */
		static struct resource smc91x_eth_resources[] = {
		[0] = {
		.name = "smc91x-regs" ,
		.start = PA_LAN + 0x300,
		.end = PA_LAN + 0x300 + 0x10 ,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = SMC_IRQ,
		.end = SMC_IRQ,
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct platform_device smc91x_eth_device = {
		.name = "smc91x",
		.id = 0,
		.dev = {
		.dma_mask = NULL, /* don't use dma */
		.coherent_dma_mask = 0xffffffff,
		},
		.num_resources = ARRAY_SIZE(smc91x_eth_resources),
		.resource = smc91x_eth_resources,
		};

		static struct platform_device *se7780_devices[] __initdata = {
		&heartbeat_device,
		&smc91x_eth_device,
		};

		static int __init se7780_devices_setup(void)
		{
		return platform_add_devices(se7780_devices,
		ARRAY_SIZE(se7780_devices));
		}
		device_initcall(se7780_devices_setup);

		#define GPIO_PHCR 0xFFEA000E
		#define GPIO_PMSELR 0xFFEA0080
		#define GPIO_PECR 0xFFEA0008

		static void __init se7780_setup(char **cmdline_p)
		{
		/* "SH-Linux" on LED Display */
		ctrl_outw( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
		ctrl_outw( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
		ctrl_outw( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
		ctrl_outw( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
		ctrl_outw( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
		ctrl_outw( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
		ctrl_outw( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
		ctrl_outw( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );

		printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");

		/*
		* PCI REQ/GNT setting
		* REQ0/GNT0 -> USB
		* REQ1/GNT1 -> PC Card
		* REQ2/GNT2 -> Serial ATA
		* REQ3/GNT3 -> PCI slot
		*/
		ctrl_outw(0x0213, FPGA_REQSEL);

		/* GPIO setting */
		ctrl_outw(0x0000, GPIO_PECR);
		ctrl_outw(ctrl_inw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
		ctrl_outw(0x0c00, GPIO_PMSELR);

		/* iVDR Power ON */
		ctrl_outw(0x0001, FPGA_IVDRPW);
		}

		/*
		* The Machine Vector
		*/
		struct sh_machine_vector mv_se7780 __initmv = {
		.mv_name = "Solution Engine 7780" ,
		.mv_setup = se7780_setup ,
		.mv_nr_irqs = 111 ,
		.mv_init_irq = init_se7780_IRQ,
		};
		ALIAS_MV(se7780)