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/**********************add by nick******************************
*******/
static struct s3c2410_hcd_info usb_ljd2410_info = {
.port[0] = {
.flags = S3C_HCDFLG_USED
}
};
int usb_ljd2410_init(void)
{
unsigned long upllvalue = (0x78<<12)|(0x02<<4)|(0x03);
printk("USB Control, (c) 2006 sbc2410\n");
s3c_device_usb.dev.platform_data = &usb_ljd2410_info;
while(upllvalue!=__raw_readl(S3C2410_UPLLCON))
{
__raw_writel(upllvalue,S3C2410_UPLLCON);
mdelay(1);
}
return 0;
}
/***************************end add**********************/
同时将usb_ljd2410_init()函数添加到smdk2410_map_io函数里面进行初始化，如下所示：
static void __init smdk2410_map_io(void)
{
s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
usb_ljd2410_init();
}
//注意，不能忘了添加头文件
#include <asm/arch/regs-clock.h>
#include <asm/arch/usb-control.h>
#include <linux/device.h>
#include <linux/delay.h>
修改后的整个文件如下：
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include "asm-arm/arch-s3c2410/regs-cs8900.h"
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/arch/regs-serial.h>
#include <asm/arch/fb.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
#include <asm/plat-s3c24xx/common-smdk.h>
#include <asm/arch/regs-clock.h>
#include <asm/arch/usb-control.h>
#include <linux/device.h>
#include <linux/delay.h>
static struct map_desc smdk2410_iodesc[] __initdata = {
/* nothing here yet */
{vSMDK2410_ETH_IO,pSMDK2410_ETH_IO,SZ_1M,MT_DEVICE}
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
//nick LCD Driver 2009.3.22
/* LCD driver info */
/* Configuration for 800*480 */
static struct s3c2410fb_mach_info ljd2410_tft_cfg __initdata = {
.type = S3C2410_LCDCON1_TFT,
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
S3C2410_LCDCON1_TFT |
S3C2410_LCDCON1_CLKVAL(0x01),
.lcdcon2 = S3C2410_LCDCON2_VBPD(39) |
S3C2410_LCDCON2_LINEVAL(479) | /*480*/
S3C2410_LCDCON2_VFPD(19) |
S3C2410_LCDCON2_VSPW(3),
.lcdcon3 = S3C2410_LCDCON3_HBPD(49) |
S3C2410_LCDCON3_HOZVAL(799) | /* 800 */
S3C2410_LCDCON3_HFPD(19),
.lcdcon4 = S3C2410_LCDCON4_MVAL(13) |
S3C2410_LCDCON4_HSPW(99),
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
},
.lpcsel = 0x00,
.gpccon= 0xaaaaaaaa,
.gpccon_mask= 0xffffffff,
.gpcup= 0xffffffff,
.gpcup_mask= 0xffffffff,
.gpdcon= 0xaaaaaaaa,
.gpdcon_mask= 0xffffffff,
.gpdup= 0xffffffff,
.gpdup_mask= 0xffffffff,
.width =800,
.height = 480,
.xres = {
.min = 800,
.max = 800,
.defval = 800,
},
.yres = {
.min = 480,
.max = 480,
.defval = 480,
},
.bpp = {
.min = 16,
.max = 16,
.defval = 16,
},
};
//nick LCD
/**********************add by nick******************************
*******/
static struct s3c2410_hcd_info usb_ljd2410_info = {
.port[0] = {
.flags = S3C_HCDFLG_USED
}
};
int usb_ljd2410_init(void)
{
unsigned long upllvalue = (0x78<<12)|(0x02<<4)|(0x03);
printk("USB Control, (c) 2006 sbc2410\n");
s3c_device_usb.dev.platform_data = &usb_ljd2410_info;
while(upllvalue!=__raw_readl(S3C2410_UPLLCON))
{
__raw_writel(upllvalue,S3C2410_UPLLCON);
mdelay(1);
}
return 0;
}
/***************************end add**********************/
static struct platform_device *smdk2410_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
};
static void __init smdk2410_map_io(void)
{
s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
usb_ljd2410_init();
}
static void __init smdk2410_init(void)
{
s3c24xx_fb_set_platdata(&ljd2410_tft_cfg);
platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
smdk_machine_init();
}
MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
* to SMDK2410 */
/* Maintainer: Jonas Dietsche */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = smdk2410_map_io,
.init_irq = s3c24xx_init_irq,
.init_machine = smdk2410_init,
.timer = &s3c24xx_timer,
MACHINE_END
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