[PATCH 1/2] arm64: versal: Wire SPIs for dfu_alt_info variable generation

[Michal Simek]

Enable automatic dfu_alt_info variable generation based on MTD partition.

Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 board/xilinx/versal/board.c          | 41 ++++++++++++++++++++++++++++
 configs/xilinx_versal_virt_defconfig |  1 +
 2 files changed, 42 insertions(+)

diff --git a/board/xilinx/versal/board.c b/board/xilinx/versal/board.c
index fd5c6ced7956..964a779b5f19 100644
--- a/board/xilinx/versal/board.c
+++ b/board/xilinx/versal/board.c
@@ -14,6 +14,7 @@
 #include <malloc.h>
 #include <memalign.h>
 #include <mmc.h>
+#include <mtd.h>
 #include <time.h>
 #include <asm/cache.h>
 #include <asm/global_data.h>
@@ -346,6 +347,31 @@ enum env_location env_get_location(enum env_operation op, int prio)
 
 #define DFU_ALT_BUF_LEN		SZ_1K
 
+static void mtd_found_part(u32 *base, u32 *size)
+{
+	struct mtd_info *part, *mtd;
+
+	mtd_probe_devices();
+
+	mtd = get_mtd_device_nm("nor0");
+	if (!IS_ERR_OR_NULL(mtd)) {
+		list_for_each_entry(part, &mtd->partitions, node) {
+			debug("0x%012llx-0x%012llx : \"%s\"\n",
+			      part->offset, part->offset + part->size,
+			      part->name);
+
+			if (*base >= part->offset &&
+			    *base < part->offset + part->size) {
+				debug("Found my partition: %d/%s\n",
+				      part->index, part->name);
+				*base = part->offset;
+				*size = part->size;
+				break;
+			}
+		}
+	}
+}
+
 void set_dfu_alt_info(char *interface, char *devstr)
 {
 	int bootseq = 0, len = 0;
@@ -371,6 +397,21 @@ void set_dfu_alt_info(char *interface, char *devstr)
 		len += snprintf(buf + len, DFU_ALT_BUF_LEN, ".bin fat %d 1",
 			       bootseq);
 		break;
+	case QSPI_MODE_24BIT:
+	case QSPI_MODE_32BIT:
+	case OSPI_MODE:
+		{
+			u32 base = 0;
+			u32 size = 0x1500000;
+			u32 limit = size;
+
+			mtd_found_part(&base, &limit);
+
+			len += snprintf(buf + len, DFU_ALT_BUF_LEN,
+					"sf 0:0=boot.bin raw 0x%x 0x%x",
+					base, limit);
+		}
+		break;
 	default:
 		return;
 	}
diff --git a/configs/xilinx_versal_virt_defconfig b/configs/xilinx_versal_virt_defconfig
index c8f166c12218..fb757c1067d0 100644
--- a/configs/xilinx_versal_virt_defconfig
+++ b/configs/xilinx_versal_virt_defconfig
@@ -83,6 +83,7 @@ CONFIG_CLK_VERSAL=y
 CONFIG_DFU_TIMEOUT=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
+CONFIG_DFU_SF=y
 CONFIG_SYS_DFU_DATA_BUF_SIZE=0x1800000
 CONFIG_ARM_FFA_TRANSPORT=y
 CONFIG_FPGA_XILINX=y
-- 
2.43.0