From: Murali Karicheri m-karicheri2@ti.com
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 --- board/ti/k2hk_evm/board.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
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 @@ 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,