linux-2.6.22下USB驱动移植

/**********************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