cregit-Linux how code gets into the kernel

Release 4.14 arch/sh/boards/board-apsh4a3a.c

Directory: arch/sh/boards
/*
 * ALPHAPROJECT AP-SH4A-3A Support.
 *
 * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd.
 * Copyright (C) 2008  Yoshihiro Shimoda
 * Copyright (C) 2009  Paul Mundt
 *
 * 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 <linux/io.h>
#include <linux/mtd/physmap.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/irq.h>
#include <linux/clk.h>
#include <asm/machvec.h>
#include <asm/sizes.h>
#include <asm/clock.h>


static struct mtd_partition nor_flash_partitions[] = {
	{
		.name		= "loader",
		.offset		= 0x00000000,
		.size		= 512 * 1024,
        },
	{
		.name		= "bootenv",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 512 * 1024,
        },
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 4 * 1024 * 1024,
        },
	{
		.name		= "data",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
        },
};


static struct physmap_flash_data nor_flash_data = {
	.width		= 4,
	.parts		= nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
};


static struct resource nor_flash_resources[] = {
	[0]	= {
		.start	= 0x00000000,
		.end	= 0x01000000 - 1,
		.flags	= IORESOURCE_MEM,
        }
};


static struct platform_device nor_flash_device = {
	.name		= "physmap-flash",
	.dev		= {
		.platform_data	= &nor_flash_data,
        },
	.num_resources	= ARRAY_SIZE(nor_flash_resources),
	.resource	= nor_flash_resources,
};

/* Dummy supplies, where voltage doesn't matter */

static struct regulator_consumer_supply dummy_supplies[] = {
	REGULATOR_SUPPLY("vddvario", "smsc911x"),
	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};


static struct resource smsc911x_resources[] = {
	[0] = {
		.name		= "smsc911x-memory",
		.start		= 0xA4000000,
		.end		= 0xA4000000 + SZ_256 - 1,
		.flags		= IORESOURCE_MEM,
        },
	[1] = {
		.name		= "smsc911x-irq",
		.start		= evt2irq(0x200),
		.end		= evt2irq(0x200),
		.flags		= IORESOURCE_IRQ,
        },
};


static struct smsc911x_platform_config smsc911x_config = {
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags		= SMSC911X_USE_16BIT,
	.phy_interface	= PHY_INTERFACE_MODE_MII,
};


static struct platform_device smsc911x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smsc911x_resources),
	.resource	= smsc911x_resources,
	.dev = {
		.platform_data = &smsc911x_config,
        },
};


static struct platform_device *apsh4a3a_devices[] __initdata = {
	&nor_flash_device,
	&smsc911x_device,
};


static int __init apsh4a3a_devices_setup(void) { regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); return platform_add_devices(apsh4a3a_devices, ARRAY_SIZE(apsh4a3a_devices)); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt2062.50%150.00%
Guennadi Liakhovetski1237.50%150.00%
Total32100.00%2100.00%

device_initcall(apsh4a3a_devices_setup);
static int apsh4a3a_clk_init(void) { struct clk *clk; int ret; clk = clk_get(NULL, "extal"); if (IS_ERR(clk)) return PTR_ERR(clk); ret = clk_set_rate(clk, 33333000); clk_put(clk); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt55100.00%1100.00%
Total55100.00%1100.00%

/* Initialize the board */
static void __init apsh4a3a_setup(char **cmdline_p) { printk(KERN_INFO "Alpha Project AP-SH4A-3A support:\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt18100.00%1100.00%
Total18100.00%1100.00%


static void __init apsh4a3a_init_irq(void) { plat_irq_setup_pins(IRQ_MODE_IRQ7654); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt14100.00%1100.00%
Total14100.00%1100.00%

/* Return the board specific boot mode pin configuration */
static int apsh4a3a_mode_pins(void) { int value = 0; /* These are the factory default settings of SW1 and SW2. * If you change these dip switches then you will need to * adjust the values below as well. */ value &= ~MODE_PIN0; /* Clock Mode 16 */ value &= ~MODE_PIN1; value &= ~MODE_PIN2; value &= ~MODE_PIN3; value |= MODE_PIN4; value &= ~MODE_PIN5; /* 16-bit Area0 bus width */ value |= MODE_PIN6; /* Area 0 SRAM interface */ value |= MODE_PIN7; value |= MODE_PIN8; /* Little Endian */ value |= MODE_PIN9; /* Master Mode */ value |= MODE_PIN10; /* Crystal resonator */ value |= MODE_PIN11; /* Display Unit */ value |= MODE_PIN12; value &= ~MODE_PIN13; /* 29-bit address mode */ value |= MODE_PIN14; /* No PLL step-up */ return value; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt92100.00%1100.00%
Total92100.00%1100.00%

/* * The Machine Vector */ static struct sh_machine_vector mv_apsh4a3a __initmv = { .mv_name = "AP-SH4A-3A", .mv_setup = apsh4a3a_setup, .mv_clk_init = apsh4a3a_clk_init, .mv_init_irq = apsh4a3a_init_irq, .mv_mode_pins = apsh4a3a_mode_pins, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt60293.62%150.00%
Guennadi Liakhovetski416.38%150.00%
Total643100.00%2100.00%
Directory: arch/sh/boards
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.