Re: [Uboot-stm32] [PATCH 10/16] board: stm32mp1: set environment variable fdtfile

Hi PAtrick

On 3/31/20 6:04 PM, Patrick Delaunay wrote:

For booting Linux in the generic distro mechanism and support of FDTDIR in extlinux.conf , cmd/pxe.c retrieves the FDT file name from "fdtfile" environment variable.

Dynamically build this variable with compatible of STMicroelectronics boards.

Signed-off-by: Patrick Delaunay patrick.delaunay@st.com

board/st/stm32mp1/stm32mp1.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 52881adef7..89a088cd28 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -715,10 +715,19 @@ int board_late_init(void) fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible", &fdt_compat_len); if (fdt_compat && fdt_compat_len) {

• if (strncmp(fdt_compat, "st,", 3) != 0)
  

• if (strncmp(fdt_compat, "st,", 3) != 0) {
  env_set("board_name", fdt_compat);
  

• else
  

• } else {
  

• 	char dtb_name[256];
  

• 	int buf_len = sizeof(dtb_name);
  

• env_set("board_name", fdt_compat + 3);
  

• 	strncpy(dtb_name, fdt_compat + 3, buf_len);
  

• 	buf_len -= strlen(fdt_compat + 3);
  

• 	strncat(dtb_name, ".dtb", buf_len);
  

• 	env_set("fdtfile", dtb_name);
  

• }
  

  } ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(stm32mp_bsec),

Reviewed-by: Patrice Chotard patrice.chotard@st.com

Thanks