/*
* Func: post_sysinfo_scan_mmu_setup
* Desc: Once we have scanned coreboot tables, we have complete information
* about different memory ranges. Thus, we can perform a complete mmu
* initialization. Also, this takes care of DMA area setup
*/
static void post_sysinfo_scan_mmu_setup(void)
{
struct memrange *ranges;
uint64_t nranges;
struct mmu_ranges mmu_ranges;
struct mmu_memrange *dma_range;
/* Get memrange info from lib_sysinfo */
lib_sysinfo_get_memranges(&ranges, &nranges);
/* Get memory ranges for mmu init from lib_sysinfo memrange */
dma_range = mmu_init_ranges_from_sysinfo(ranges, nranges, &mmu_ranges);
/* Disable mmu */
mmu_disable();
/* Init mmu */
mmu_init(&mmu_ranges);
/* Enable mmu */
mmu_enable();
/* Init dma memory */
init_dma_memory((void *)dma_range->base, dma_range->size);
}
static void cb_parse_dma(unsigned char *ptr)
{
struct cb_range *dma = (struct cb_range *)ptr;
init_dma_memory(phys_to_virt(dma->range_start), dma->range_size);
}
