arm64: versal: Wire SPIs for dfu_alt_info variable generation

Enable automatic dfu_alt_info variable generation based on MTD partition.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/67ff88c8c7186138353c0b74ed37a318fb4b199e.1733395093.git.michal.simek@amd.com

diff --git a/board/xilinx/versal/board.c b/board/xilinx/versal/board.c
index fd5c6ce..964a779 100644 (file)
--- 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 c8f166c..fb757c1 100644 (file)
--- 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