Firebee/BaS_gcc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

make PCI memory non-cacheable

Browse Source
This commit is contained in:
David Gálvez
2014-05-25 19:13:45 +00:00
parent ccc9073994
commit 96528dca7f
1 changed files with 16 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
BaS_gcc/sys/mmu.c
View File

@@ -307,6 +307,22 @@ static struct mmu_mapping memory_map[] =
(uint32_t) 0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* PCI memory */
(uint32_t) PCI_MEMORY_OFFSET,
(uint32_t) PCI_MEMORY_OFFSET,
(uint32_t) PCI_MEMORY_SIZE,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* PCI I/O */
(uint32_t) PCI_IO_OFFSET,
(uint32_t) PCI_IO_OFFSET,
(uint32_t) PCI_IO_SIZE,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
}
};