From: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Date: Tue, 25 Feb 2025 03:28:06 +0000 (-1200)
Subject: amd: versal2: Add the UFS boot mode support
X-Git-Tag: v2025.07-rc1~52^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=253da1f0a2821bf741c8dc24ed2e568b7013f6e0;p=pandora-u-boot.git

amd: versal2: Add the UFS boot mode support

Add the UFS boot mode support and update the boot_targets with
ufs mode. If the UFS device is not accessible from APU and
running this is detected as a warning, as the device is not
accessible.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Link: https://lore.kernel.org/r/20250225032806.1842581-1-venkatesh.abbarapu@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
---

diff --git a/arch/arm/mach-versal2/include/mach/hardware.h b/arch/arm/mach-versal2/include/mach/hardware.h
index 15085f941e0..a961032b4d5 100644
--- a/arch/arm/mach-versal2/include/mach/hardware.h
+++ b/arch/arm/mach-versal2/include/mach/hardware.h
@@ -68,6 +68,7 @@ struct crp_regs {
 #define USB_MODE	0x00000007
 #define OSPI_MODE	0x00000008
 #define SELECTMAP_MODE	0x0000000A
+#define UFS_MODE	0x0000000B
 #define SD1_LSHFT_MODE	0x0000000E /* SD1 Level shifter */
 #define JTAG_MODE	0x00000000
 #define BOOT_MODE_USE_ALT	0x100
diff --git a/board/amd/versal2/board.c b/board/amd/versal2/board.c
index d3e6547eada..c99620d03ef 100644
--- a/board/amd/versal2/board.c
+++ b/board/amd/versal2/board.c
@@ -252,6 +252,16 @@ static int boot_targets_setup(void)
 		mode = "mmc";
 		bootseq = dev_seq(dev);
 		break;
+	case UFS_MODE:
+		puts("UFS_MODE\n");
+		if (uclass_get_device(UCLASS_UFS, 0, &dev)) {
+			debug("UFS driver for UFS device is not present\n");
+			break;
+		}
+		debug("ufs device found at %p\n", dev);
+
+		mode = "ufs";
+		break;
 	default:
 		printf("Invalid Boot Mode:0x%x\n", bootmode);
 		break;