From: Simon Glass <sjg@chromium.org>
Date: Sat, 15 Mar 2025 14:26:00 +0000 (+0000)
Subject: boot: Support IO UARTs for earlycon and console
X-Git-Tag: v2025.07-rc1~119^2~9^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=951d1faa54eea5978cd9bc6076f142a28da27f2e;p=pandora-u-boot.git

boot: Support IO UARTs for earlycon and console

Update the string to take account of UARTs which are connected on I/O
ports, as on x86.

Fix a typo in an error message in the same command, while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/boot/bootflow.c b/boot/bootflow.c
index 58a1afa7a75..4054a966af8 100644
--- a/boot/bootflow.c
+++ b/boot/bootflow.c
@@ -942,8 +942,9 @@ int bootflow_cmdline_auto(struct bootflow *bflow, const char *arg)
 	*buf = '\0';
 	if (!strcmp("earlycon", arg) && info.type == SERIAL_CHIP_16550_COMPATIBLE) {
 		snprintf(buf, sizeof(buf),
-			 "uart8250,mmio32,%#lx,%dn8", info.addr,
-			 info.baudrate);
+			 "uart8250,%s,%#lx,%dn8",
+			 info.addr_space == SERIAL_ADDRESS_SPACE_IO ? "io" :
+			 "mmio", info.addr, info.baudrate);
 	} else if (!strcmp("earlycon", arg) && info.type == SERIAL_CHIP_PL01X) {
 		snprintf(buf, sizeof(buf),
 			 "pl011,mmio32,%#lx,%dn8", info.addr,
@@ -954,7 +955,7 @@ int bootflow_cmdline_auto(struct bootflow *bflow, const char *arg)
 	}
 
 	if (!*buf) {
-		printf("Unknown param '%s\n", arg);
+		printf("Unknown param '%s'\n", arg);
 		return -ENOENT;
 	}