keystone2: add env option to do unitrd dt fixup
With latest v3.13 kernel, unitrd dt fixup is not needed. However for
older kernel versions such as v3.8/v3.10, it is needed. So to work
with both, add a u-boot env variable that can be set to do dt fixup
for older kernels.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
diff --git a/board/ti/k2hk_evm/board.c b/board/ti/k2hk_evm/board.c
index 3333eb0..646ecb3 100644
--- a/board/ti/k2hk_evm/board.c
+++ b/board/ti/k2hk_evm/board.c
@@ -157,11 +157,14 @@
u64 size[2];
char name[32], *env, *endp;
int lpae, nodeoffset;
+ int unitrd_fixup = 0;
u32 ddr3a_size;
int nbanks;
env = getenv("mem_lpae");
lpae = env && simple_strtol(env, NULL, 0);
+ env = getenv("uinitrd_fixup");
+ unitrd_fixup = env && simple_strtol(env, NULL, 0);
ddr3a_size = 0;
if (lpae) {
@@ -204,10 +207,11 @@
fdt_fixup_memory_banks(blob, start, size, nbanks);
/* Fix up the initrd */
- if (lpae) {
+ if (lpae && unitrd_fixup) {
u64 initrd_start, initrd_end;
u32 *prop1, *prop2;
int err;
+
nodeoffset = fdt_path_offset(blob, "/chosen");
if (nodeoffset >= 0) {
prop1 = (u32 *)fdt_getprop(blob, nodeoffset,