commit 03ed4329ba4defe3d7a7759674748d1367f342fc
author Simon Glass <sjg@chromium.org> Tue Sep 19 21:00:08 2023 -0600
committer Bin Meng <bmeng@tinylab.org> Fri Sep 22 06:03:46 2023 +0800
tree cca446a993f036a8dd2c49823fd47175d9415377
parent a2ee226911e969f2f6539c9ffe20b9648efadbd2

x86: coreboot: Enable CONFIG_SYS_NS16550_MEM32

The debug UART on modern machines uses a 32-bit wide transfer. Without
this, setting debug output causes a hang or no output. It is not obvious
(when enabling CONFIG_DEBUG_UART) that this is needed.

Enable 32-bit access to avoid this trap.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

configs/coreboot64_defconfig

diff --git a/configs/coreboot64_defconfig b/configs/coreboot64_defconfig
index e816596..c040563 100644
--- a/configs/coreboot64_defconfig
+++ b/configs/coreboot64_defconfig
@@ -51,6 +51,7 @@
 CONFIG_LBA48=y
 CONFIG_SYS_64BIT_LBA=y
 # CONFIG_PCI_PNP is not set
+CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SOUND=y
 CONFIG_SOUND_I8254=y
 CONFIG_CONSOLE_SCROLL_LINES=5

configs/coreboot_defconfig

diff --git a/configs/coreboot_defconfig b/configs/coreboot_defconfig
index 311ca66..e7e45c2 100644
--- a/configs/coreboot_defconfig
+++ b/configs/coreboot_defconfig
@@ -59,6 +59,7 @@
 CONFIG_SYS_64BIT_LBA=y
 CONFIG_NVME_PCI=y
 # CONFIG_PCI_PNP is not set
+CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SOUND=y
 CONFIG_SOUND_I8254=y
 CONFIG_CONSOLE_SCROLL_LINES=5