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From: Conor Dooley <conor@kernel.org>
To: u-boot@lists.denx.de
Cc: conor@kernel.org, Conor Dooley <conor.dooley@microchip.com>,
	Cyril Jean <cyril.jean@microchip.com>,
	Tom Rini <trini@konsulko.com>,
	Leo Yu-Chi Liang <ycliang@andestech.com>
Subject: [PATCH v1] configs: microchip_mpfs_icicle: disable DEBUG_UART
Date: Mon,  7 Jul 2025 13:51:39 +0100	[thread overview]
Message-ID: <20250707125140.935234-1-conor@kernel.org> (raw)

From: Conor Dooley <conor.dooley@microchip.com>

By default DEBUG_UART uses the SBI DBCN extension on S-Mode RISC-V
platforms, but the Icicle Kit's firmware doesn't support it. Since
DEBUG_UART is getting turned on automagically and this is somewhat
misleading, disable it in the Icicle kit's defconfig.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
CC: Conor Dooley <conor.dooley@microchip.com>
CC: Cyril Jean <cyril.jean@microchip.com>
CC: Tom Rini <trini@konsulko.com>
CC: Leo Yu-Chi Liang <ycliang@andestech.com>
CC: u-boot@lists.denx.de
---
 configs/microchip_mpfs_icicle_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configs/microchip_mpfs_icicle_defconfig b/configs/microchip_mpfs_icicle_defconfig
index bb110225488..6937aa224a1 100644
--- a/configs/microchip_mpfs_icicle_defconfig
+++ b/configs/microchip_mpfs_icicle_defconfig
@@ -7,6 +7,7 @@ CONFIG_ENV_SIZE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="microchip/mpfs-icicle-kit"
 CONFIG_SYS_LOAD_ADDR=0x80200000
 CONFIG_SYS_MEM_TOP_HIDE=0x400000
+# CONFIG_DEBUG_UART is not set
 CONFIG_TARGET_MICROCHIP_ICICLE=y
 CONFIG_ARCH_RV64I=y
 CONFIG_RISCV_SMODE=y
-- 
2.45.2


             reply	other threads:[~2025-07-07 12:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-07 12:51 Conor Dooley [this message]
2025-07-16  8:40 ` [PATCH v1] configs: microchip_mpfs_icicle: disable DEBUG_UART Leo Liang

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