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tools: kwboot: Correctly set configuration of UART for BootROM messages

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For kwbimage v1, tell BootROM to send BootROM messages to UART port number
0 (used also for UART booting) with default baudrate (which should be
115200) and do not touch UART MPP configuration.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2021-10-25 15:12:58 +02:00 committed by Stefan Roese
parent 82c5a0ac71
commit 4bebab69a9
1 changed files with 11 additions and 0 deletions
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11
tools/kwboot.c
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@ -1507,6 +1507,17 @@ kwboot_img_patch(void *img, size_t *size, int baudrate)
}
if (!is_secure) {
if (image_ver == 1) {
/*
* Tell BootROM to send BootROM messages to UART port
* number 0 (used also for UART booting) with default
* baudrate (which should be 115200) and do not touch
* UART MPP configuration.
*/
hdr->options &= ~0x1F;
hdr->options |= MAIN_HDR_V1_OPT_BAUD_DEFAULT;
hdr->options |= 0 << 3;
}
if (image_ver == 0)
((struct main_hdr_v0 *)img)->nandeccmode = IBR_HDR_ECC_DISABLED;
hdr->nandpagesize = 0;