static sint8 spi_flash_probe(uint32 * u32FlashId)
{
sint8 ret = M2M_SUCCESS;
uint32 pin_mux_0;
uint32 orig_pin_mux_0;
uint32 flashid;
pin_mux_0 = nm_read_reg(0x1408);
orig_pin_mux_0 = pin_mux_0;
if( (orig_pin_mux_0 & 0xffff000) != 0x1111000) {
/* Select PINMUX to use SPI MASTER */
pin_mux_0 &= ~0xffff000;
pin_mux_0 |= 0x1111000;
nm_write_reg(0x1408, pin_mux_0);
}
flashid = spi_flash_rdid();
if( (orig_pin_mux_0 & 0xffff000) != 0x1111000) {
nm_write_reg(0x1408, orig_pin_mux_0);
}
*u32FlashId = flashid;
return ret;
}
/**
* @fn spi_flash_get_size
* @brief Get size of SPI Flash
* @return Size of Flash
*/
uint32 spi_flash_get_size(void)
{
uint32 u32FlashId = 0, u32FlashPwr = 0;
static uint32 gu32InernalFlashSize= 0;
if(!gu32InernalFlashSize)
{
u32FlashId = spi_flash_rdid();//spi_flash_probe();
if(u32FlashId != 0xffffffff)
{
/*flash size is the third byte from the FLASH RDID*/
u32FlashPwr = ((u32FlashId>>16)&0xff) - 0x11; /*2MBIT is the min*/
/*That number power 2 to get the flash size*/
gu32InernalFlashSize = 1<<u32FlashPwr;
M2M_INFO("Flash Size %lu Mb\n",gu32InernalFlashSize);
}
