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From: Johan Jonker <jbx6244@gmail.com>
To: u-boot@0leil.net
Cc: kever.yang@rock-chips.com, sjg@chromium.org, trini@konsulko.com,
	u-boot@lists.u-boot-project.org, eddie.cai.linux@gmail.com
Subject: [PATCH v7 6/6] rockchip: doc: add notes section
Date: Sat, 15 Aug 2026 15:08:55 +0200	[thread overview]
Message-ID: <62f1285d-bd2e-48e5-be61-a7bc32d1a1e3@gmail.com> (raw)
In-Reply-To: <5e1799a6-68b3-4535-b56b-f115467e637e@gmail.com>

Add a notes section for things that don't need
a chapter. Include some rk3036/rk3066 cases.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 doc/board/rockchip/rockchip.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index d5945e805ba8..6dbff5b72d90 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -325,6 +325,14 @@ To build rk3588 boards:
         make evb-rk3588_defconfig
         make CROSS_COMPILE=aarch64-linux-gnu-
 
+Notes
+^^^^^
+
+* rk3036: SDMMC and the debug uart share the same iomux, so if
+  a SD card is the boot medium, the debug uart must be disabled.
+* rk3066: eMMC and NAND share the same iomux, so if in Mask ROM mode
+  and a NAND is the boot medium, clear the emmc_flash_sel bit in GRF_SOC_CON0.
+
 Mask ROM mode
 -------------
 
-- 
2.39.5


  parent reply	other threads:[~2026-08-15 13:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-15 13:05 [PATCH v7 0/6] doc: clean up README.rockchip Johan Jonker
2026-08-15 13:07 ` [PATCH v7 1/6] rockchip: scripts: remove rkmux.py Johan Jonker
2026-08-15 13:07 ` [PATCH v7 2/6] rockchip: doc: add mask ROM mode text Johan Jonker
2026-08-19 12:16   ` Quentin Schulz
2026-08-15 13:08 ` [PATCH v7 3/6] rockchip: doc: remove TODO Johan Jonker
2026-08-15 13:08 ` [PATCH v7 4/6] rockchip: doc: remove README.rockchip Johan Jonker
2026-08-15 13:08 ` [PATCH v7 5/6] rockchip: doc: add back to ROM section Johan Jonker
2026-08-19 12:49   ` Quentin Schulz
2026-08-20 10:40     ` Alexey Charkov
2026-08-20 12:53       ` Quentin Schulz
2026-08-15 13:08 ` Johan Jonker [this message]
2026-08-19 13:03   ` [PATCH v7 6/6] rockchip: doc: add notes section Quentin Schulz

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