12864 刷新会闪烁，我加了1S的延时还是会闪烁

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/types.h>

#include <linux/string.h>



#include <asm/addrspace.h>

#include <asm/fw/myloader/myloader.h>



#define SYS_PARAMS_ADDR                KSEG1ADDR(0x80000800)

#define BOARD_PARAMS_ADDR        KSEG1ADDR(0x80000A00)

#define PART_TABLE_ADDR                KSEG1ADDR(0x80000C00)

#define BOOT_PARAMS_ADDR        KSEG1ADDR(0x80000E00)



static struct myloader_info myloader_info __initdata;

static int myloader_found __initdata;



struct myloader_info * __init myloader_get_info(void)

{

        struct mylo_system_params *sysp;

        struct mylo_board_params *boardp;

        struct mylo_partition_table *parts;



        if (myloader_found)

                return &myloader_info;



        sysp = (struct mylo_system_params *)(SYS_PARAMS_ADDR);

        boardp = (struct mylo_board_params *)(BOARD_PARAMS_ADDR);

        parts = (struct mylo_partition_table *)(PART_TABLE_ADDR);



        printk(KERN_DEBUG "MyLoader: sysp=%08x, boardp=%08x, parts=%08x\n",

                sysp->magic, boardp->magic, parts->magic);



        /* Check for some magic numbers */

        if (sysp->magic != MYLO_MAGIC_SYS_PARAMS ||

            boardp->magic != MYLO_MAGIC_BOARD_PARAMS ||

            le32_to_cpu(parts->magic) != MYLO_MAGIC_PARTITIONS)

                return NULL;



        printk(KERN_DEBUG "MyLoader: id=%04x:%04x, sub_id=%04x:%04x\n",

                sysp->vid, sysp->did, sysp->svid, sysp->sdid);



        myloader_info.vid = sysp->vid;

        myloader_info.did = sysp->did;

        myloader_info.svid = sysp->svid;

        myloader_info.sdid = sysp->sdid;



        memcpy(myloader_info.macs, boardp->addr, sizeof(myloader_info.macs));



        myloader_found = 1;



        return &myloader_info;

}