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stm32mp: stm32prog: handle U-Boot script in flashlayout alternate

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Update the stm32prog command to allow the reception of U-Boot script in
the FlashLayout alternate during the first USB enumeration.

This patch is aligned with the last TF-A behavior: the Flashlayout
is now loaded by U-Boot; it is no more present at STM32_DDR_BASE when
the stm32prog is launched after a serial boot, on UART or on USB.

The received script must be a U-Boot legacy image, no more need to add
a stm32image header.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
This commit is contained in:
Patrick Delaunay 2022-03-28 19:25:32 +02:00 committed by Patrice Chotard
parent 7f1121a85a
commit 152576a598
3 changed files with 13 additions and 7 deletions
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9
arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
View file

@ -76,13 +76,6 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc,
stm32prog_header_check(addr, &header);
if (header.type == HEADER_STM32IMAGE) {
size = header.image_length + header.length;
#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
/* uImage detected in STM32IMAGE, execute the script */
if (IMAGE_FORMAT_LEGACY ==
genimg_get_format((void *)(addr + header.length)))
return image_source_script(addr + header.length, "script@1");
#endif
}
}
@ -160,6 +153,8 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc,
else if (CONFIG_IS_ENABLED(CMD_BOOTZ))
do_bootz(cmdtp, 0, 4, bootm_argv);
}
if (data->script)
image_source_script(data->script, "script@stm32prog");
if (reset) {
puts("Reset...\n");

9
arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
View file

@ -6,6 +6,7 @@
#include <command.h>
#include <console.h>
#include <dfu.h>
#include <image.h>
#include <malloc.h>
#include <misc.h>
#include <mmc.h>
@ -1697,6 +1698,14 @@ error:
static void stm32prog_end_phase(struct stm32prog_data *data, u64 offset)
{
if (data->phase == PHASE_FLASHLAYOUT) {
#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
if (genimg_get_format((void *)STM32_DDR_BASE) == IMAGE_FORMAT_LEGACY) {
data->script = STM32_DDR_BASE;
data->phase = PHASE_END;
log_notice("U-Boot script received\n");
return;
}
#endif
if (parse_flash_layout(data, STM32_DDR_BASE, 0))
stm32prog_err("Layout: invalid FlashLayout");
return;

2
arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
View file

@ -170,6 +170,8 @@ struct stm32prog_data {
u32 initrd;
u32 initrd_size;
u32 script;
/* OPTEE PTA NVMEM */
struct udevice *tee;
u32 tee_session;