While some boards have separate switch RGPIO0, RGPIO1 others only have a common switch.
Describe the restriction. Signed-off-by: Heinrich Schuchardt <[email protected]> --- doc/board/starfive/jh7110_common.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/board/starfive/jh7110_common.rst b/doc/board/starfive/jh7110_common.rst index 77102fcc189..14ec556ab13 100644 --- a/doc/board/starfive/jh7110_common.rst +++ b/doc/board/starfive/jh7110_common.rst @@ -237,6 +237,11 @@ RGPIO1 RGPIO0 StarFive loader function @ 0x2A00_0000 1 1 UART Serial XMODEM loader ====== ====== ====================================== +While some boards have separate switches for RGPIO0 and RGPI01 (Milk-V Mars, +StarFive VisionFive 2, Pine64 Star64) other boards only offer a common +switch (Orange Pi RV, StarFive VisionFive 2 Lite) or control line +(Milk-V Mars CM). Here booting from SD-card or eMMC is not possible. + According to `JH-7110 Boot User Guide BootROM`_ the StarFive loader code reads content to SRAM @ 0x0800_0000 from different media selected by [RGPIO1,RGPIO0]. -- 2.51.0
