#define REG_0x70000060       (*(volatile unsigned int *)(0x70000060))
#define REG_0x70000028       (*(volatile unsigned int *)(0x70000028))


    REG_0x70000060 |= 0x0f;
    REG_0x70000028 |= 0x00010000;
    REG_0x70000028 &= ~0x00010000;

    REG_0x70000060 &= ~0x00000020;
    udelay(10);
    REG_0x70000060 |= 0x00000020;
    udelay(10);
    REG_0x70000060 &=~0x00000004;
    REG_0x70000060 |=0x00000002;
    udelay(10);
    REG_0x70000060 &= ~0x00000020;
    udelay(10);
    REG_0x70000060 &=~0x0f;
    udelay(10);
    REG_0x70000060 |= 0x00000020;
    udelay(10);
    REG_0x70000028 |= 0x00000800;
    REG_0x70000028 &= ~0x00000800;
    while(0x70000028 & 0x80);