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keystone2: add env option to do unitrd dt fixup

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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>
This commit is contained in:
Murali Karicheri 2014-07-09 23:44:45 +03:00 committed by Tom Rini
parent 3d31538625
commit 0bedbb8135
1 changed files with 5 additions and 1 deletions
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6
board/ti/k2hk_evm/board.c
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@ -157,11 +157,14 @@ void ft_board_setup(void *blob, bd_t *bd)
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 @@ void ft_board_setup(void *blob, bd_t *bd)
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,