Esempio n. 1
0
/*******************************************************************************
*
* copy_code - copy u-boot image from flash to RAM
*
* This routine is needed to solve flash problems on this board
*
*/
void copy_code (ulong dest_addr)
{
	extern long uboot_end_data;
	unsigned long start;
	unsigned long end;

	/* load copydwords into ram
	 */
	programLoad();

	/* copy u-boot code
	 */
	copyLongs((ulong *)CFG_MONITOR_BASE,
		  (ulong *)dest_addr,
		  ((ulong)&uboot_end_data - CFG_MONITOR_BASE + 3) / 4);


	/* flush caches
	 */

	start = CKSEG0;
	end = start + CFG_DCACHE_SIZE;
	while(start < end) {
		cache_unroll(start,Index_Writeback_Inv_D);
		start += CFG_CACHELINE_SIZE;
	}

	start = CKSEG0;
	end = start + CFG_ICACHE_SIZE;
	while(start < end) {
		cache_unroll(start,Index_Invalidate_I);
		start += CFG_CACHELINE_SIZE;
	}
}
Esempio n. 2
0
static __inline__ void blast_dcache(unsigned long size, unsigned long lsize)
{
	unsigned long start = KSEG0;
	unsigned long end = (start + size);

	while(start < end) {
		cache_unroll(start,Index_Writeback_Inv_D);
		start += lsize;
	}
}
Esempio n. 3
0
static __inline__ void blast_icache(unsigned long size, unsigned long lsize)
{
	unsigned long start = KSEG0;
	unsigned long end = (start + size);

	while(start < end) {
		cache_unroll(start,Index_Invalidate_I);
		start += lsize;
	}
}