[coreboot-gerrit] Patch set updated for coreboot: libpayload: mmu: Assuming that memory 0-4GiB is device memory

[Lin Huang]

Lin Huang ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13914

-gerrit

commit 4ef157d50a6b87b5e69e62558633d7ead18be5c6
Author: huang lin 
Date:   Thu Mar 3 15:29:34 2016 +0800

libpayload: mmu: Assuming that memory 0-4GiB is device memory

in some platform(like rk3399), mmio space start 0xf8000000, exceed
    2GB, so fix it.

Change-Id: I39da4ce247422f67451711ac0ed5a5e1119ed836
    Signed-off-by: huang lin 
---
 payloads/libpayload/arch/arm64/mmu.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c
index f07e4c4..9bb402b 100644
--- a/payloads/libpayload/arch/arm64/mmu.c
+++ b/payloads/libpayload/arch/arm64/mmu.c
@@ -260,7 +260,7 @@ void mmu_config_range(void *start, size_t size, uint64_t tag)
  * Desc : Initialize mmu based on the mmu_memrange passed. ttb_buffer is used as
  * the base address for xlat tables. TTB_DEFAULT_SIZE defines the max number of
  * tables that can be used
- * Assuming that memory 0-2GiB is device memory.
+ * Assuming that memory 0-4GiB is device memory.
  */
 uint64_t mmu_init(struct mmu_ranges *mmu_ranges)
 {
@@ -275,8 +275,7 @@ uint64_t mmu_init(struct mmu_ranges *mmu_ranges)
    printf("Libpayload ARM64: TTB_BUFFER: 0x%p Max Tables: %d\n",
           (void*)xlat_addr, max_tables);

-	mmu_config_range(NULL, 0x80000000, TYPE_DEV_MEM);
-
+	mmu_config_range(NULL, 0x100000000, TYPE_DEV_MEM);
    for (; i < mmu_ranges->used; i++)
    	mmu_config_range((void *)mmu_ranges->entries[i].base,
    			 mmu_ranges->entries[i].size,