flash.c

TP-LINK公司TL-WR941N无线路由器的Bootloader U_BOOT源代码

#include <common.h>
#include <config.h>
#include <asm/types.h>
#include <flash.h>

/*
 * sets up flash_info and returns size of FLASH (bytes)
 */
unsigned long 
flash_get_geom (flash_info_t *flash_info)
{
    int i;
    
    /* XXX this is hardcoded until we figure out how to read flash id */

    flash_info->flash_id  = FLASH_M25P64;
    flash_info->size = 8*1024*1024; /* bytes */
    flash_info->sector_count = flash_info->size/CFG_FLASH_SECTOR_SIZE;

    for (i = 0; i < flash_info->sector_count; i++) {
        flash_info->start[i] = CFG_FLASH_BASE + (i * CFG_FLASH_SECTOR_SIZE);
        flash_info->protect[i] = 0;
    }

    printf ("flash size 8MB, sector count = %d\n", flash_info->sector_count);
    return (flash_info->size);

}