cregit-Linux how code gets into the kernel

Release 4.7 arch/sh/boards/mach-se/7343/setup.c

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
#include <linux/usb/isp116x.h>
#include <linux/delay.h>
#include <linux/irqdomain.h>
#include <asm/machvec.h>
#include <mach-se/mach/se7343.h>
#include <asm/heartbeat.h>
#include <asm/irq.h>
#include <asm/io.h>


static struct resource heartbeat_resource = {
	.start	= PA_LED,
	.end	= PA_LED,
	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
};


static struct platform_device heartbeat_device = {
	.name		= "heartbeat",
	.id		= -1,
	.num_resources	= 1,
	.resource	= &heartbeat_resource,
};


static struct mtd_partition nor_flash_partitions[] = {
	{
		.name		= "loader",
		.offset		= 0x00000000,
		.size		= 128 * 1024,
        },
	{
		.name		= "rootfs",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 31 * 1024 * 1024,
        },
	{
		.name		= "data",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
        },
};


static struct physmap_flash_data nor_flash_data = {
	.width		= 2,
	.parts		= nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
};


static struct resource nor_flash_resources[] = {
	[0]	= {
		.start	= 0x00000000,
		.end	= 0x01ffffff,
		.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,
};


#define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)


static struct plat_serial8250_port serial_platform_data[] = {
	[0] = {
		.iotype		= UPIO_MEM,
		.mapbase	= 0x16000000,
		.regshift	= 1,
		.flags		= ST16C2550C_FLAGS,
		.uartclk	= 7372800,
        },
	[1] = {
		.iotype		= UPIO_MEM,
		.mapbase	= 0x17000000,
		.regshift	= 1,
		.flags		= ST16C2550C_FLAGS,
		.uartclk	= 7372800,
        },
	{ },
};


static struct platform_device uart_device = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= serial_platform_data,
        },
};


static void isp116x_delay(struct device *dev, int delay) { ndelay(delay); }

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static struct resource usb_resources[] = { [0] = { .start = 0x11800000, .end = 0x11800001, .flags = IORESOURCE_MEM, }, [1] = { .start = 0x11800002, .end = 0x11800003, .flags = IORESOURCE_MEM, }, [2] = { /* Filled in later */ .flags = IORESOURCE_IRQ, }, }; static struct isp116x_platform_data usb_platform_data = { .sel15Kres = 1, .oc_enable = 1, .int_act_high = 0, .int_edge_triggered = 0, .remote_wakeup_enable = 0, .delay = isp116x_delay, }; static struct platform_device usb_device = { .name = "isp116x-hcd", .id = -1, .num_resources = ARRAY_SIZE(usb_resources), .resource = usb_resources, .dev = { .platform_data = &usb_platform_data, }, }; static struct platform_device *sh7343se_platform_devices[] __initdata = { &heartbeat_device, &nor_flash_device, &uart_device, &usb_device, };
static int __init sh7343se_devices_setup(void) { /* Wire-up dynamic vectors */ serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_UARTA); serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_UARTB); usb_resources[2].start = usb_resources[2].end = irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB); return platform_add_devices(sh7343se_platform_devices, ARRAY_SIZE(sh7343se_platform_devices)); }

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device_initcall(sh7343se_devices_setup); /* * Initialize the board */
static void __init sh7343se_setup(char **cmdline_p) { __raw_writew(0xf900, FPGA_OUT); /* FPGA */ __raw_writew(0x0002, PORT_PECR); /* PORT E 1 = IRQ5 */ __raw_writew(0x0020, PORT_PSELD); printk(KERN_INFO "MS7343CP01 Setup...done\n"); }

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yoshihiro shimodayoshihiro shimoda2356.10%133.33%
paul mundtpaul mundt1843.90%266.67%
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/* * The Machine Vector */ static struct sh_machine_vector mv_7343se __initmv = { .mv_name = "SolutionEngine 7343", .mv_setup = sh7343se_setup, .mv_init_irq = init_7343se_IRQ, };

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magnus dammmagnus damm28041.60%218.18%
yoshihiro shimodayoshihiro shimoda19829.42%19.09%
paul mundtpaul mundt19528.97%872.73%
Total673100.00%11100.00%
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