/*
* only support irom booting.
*/
void irom_copyself(void)
{
u32_t om;
u32_t * mem;
u32_t size;
/*
* read om register, om[5..1]
*/
om = (u32_t)((reg_read(EXYNOS4412_PMU_OM_STAT) >> 1) & 0x1f);
/* SDMMC CH2 */
if(om == 0x2)
{
/*
* the xboot's memory base address.
*/
mem = (u32_t *)__text_start;
/*
* the size which will be copyed, the 'size' is
* 1 : 256KB, 2 : 512KB, 3 : 768KB, 4 : 1024KB ...
*/
size = (__data_shadow_end - __text_start + 0x00040000) >> 18;
/*
* how many blocks the 'size' is , 512 bytes per block.
* size * 256 *1024 / 512 = size * 2^9 = size << 9
*/
size = size << 9;
/*
* copy xboot to memory from sdmmc ch2.
*/
irom_sdmmc_to_mem(1, size, mem);
}
/*
* only support irom booting.
*/
void irom_copyself(void)
{
u8_t om;
u32_t * mem;
u32_t size;
/*
* read om register, om[4..1]
*/
om = (u8_t)((reg_read(S5PV210_OMR) >> 1) & 0x0f);
/* essd */
if(om == 0x0)
{
}
/* nand 2KB, 5-cycle, 8-bit ecc */
else if(om == 0x1)
{
}
/* nand 4KB, 5-cycle, 8-bit ecc */
else if(om == 0x2)
{
}
/* nand 4KB, 5-cycle, 16-bit ecc */
else if(om == 0x3)
{
}
/* onenand mux */
else if(om == 0x4)
{
}
/* onenand demux */
else if(om == 0x5)
{
}
/* sd / mmc */
else if(om == 0x6)
{
/*
* the xboot's memory base address.
*/
mem = (u32_t *)__text_start;
/*
* the size which will be copyed, the 'size' is
* 1 : 256KB, 2 : 512KB, 3 : 768KB, 4 : 1024KB ...
*/
size = (__data_shadow_end - __text_start + 0x00040000) >> 18;
/*
* how many blocks the 'size' is , 512 bytes per block.
* size * 256 *1024 / 512 = size * 2^9 = size << 9
*/
size = size << 9;
/*
* copy xboot to memory from sd/mmc card.
*/
if(irom_v210_sdmmc_base == 0xeb000000)
{
irom_sdmmc_to_mem(0, 1, size, mem, 0);
}
else if(irom_v210_sdmmc_base == 0xeb200000)
{
irom_sdmmc_to_mem(2, 1, size, mem, 0);
}
else
{
return;
}
}
