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authorPali Rohár <pali@kernel.org>2021-10-25 15:12:58 +0200
committerStefan Roese <sr@denx.de>2021-11-03 06:45:27 +0100
commit4bebab69a9483fd6ae85b06a088790a6c77f90ce (patch)
tree6da07bee6ed2948a3247036b9b335aaa19e68448 /tools/kwboot.c
parent82c5a0ac713500f4da9d8562cd4764c733b65e56 (diff)
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tools: kwboot: Correctly set configuration of UART for BootROM messages
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>
Diffstat (limited to 'tools/kwboot.c')
-rw-r--r--tools/kwboot.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c
index 1131c2e..6228838 100644
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -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;