From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Thu, 15 Oct 2020 12:52:30 +0000 (+0200)
Subject: board: stm32mp1: no MTD partitions fixup for serial boot
X-Git-Tag: v2025.01-rc5-pxa1908~2116^2~9
X-Git-Url: http://git.dujemihanovic.xyz/img/static/%7B%7B%20%24.Site.BaseURL%20%7D%7Dposts/%7B%7B?a=commitdiff_plain;h=29e5c027889ed583fd04d87927e714201b47a225;p=u-boot.git

board: stm32mp1: no MTD partitions fixup for serial boot

Remove the update of the MTD partitions in kernel device tree
for serial boot (USB / UART), and the kernel will use the MTD
partitions define in the loaded DTB because U-Boot can't known the
expected flash layout in this case.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
---

diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 03a19af930..8a3ce0a6f5 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -848,9 +848,14 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 		{ "st,stm32mp15-fmc2",		MTD_DEV_TYPE_NAND, },
 		{ "st,stm32mp1-fmc2-nfc",	MTD_DEV_TYPE_NAND, },
 	};
-
-	if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS))
-		fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+	char *boot_device;
+
+	/* Check the boot-source and don't update MTD for serial or usb boot */
+	boot_device = env_get("boot_device");
+	if (!boot_device ||
+	    (strcmp(boot_device, "serial") && strcmp(boot_device, "usb")))
+		if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS))
+			fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 
 	return 0;
 }