From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 roms/u-boot/board/st/common/stm32mp_mtdparts.c | 163 +++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 roms/u-boot/board/st/common/stm32mp_mtdparts.c

(limited to 'roms/u-boot/board/st/common/stm32mp_mtdparts.c')

diff --git a/roms/u-boot/board/st/common/stm32mp_mtdparts.c b/roms/u-boot/board/st/common/stm32mp_mtdparts.c
new file mode 100644
index 000000000..f074fc189
--- /dev/null
+++ b/roms/u-boot/board/st/common/stm32mp_mtdparts.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2020, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <dfu.h>
+#include <dm.h>
+#include <env.h>
+#include <env_internal.h>
+#include <log.h>
+#include <mtd.h>
+#include <mtd_node.h>
+#include <tee.h>
+#include <asm/arch/stm32prog.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/global_data.h>
+
+#define MTDPARTS_LEN		256
+#define MTDIDS_LEN		128
+
+/*
+ * Get a global data pointer
+ */
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * update the variables "mtdids" and "mtdparts" with boot, tee and user strings
+ */
+static void board_set_mtdparts(const char *dev,
+			       char *mtdids,
+			       char *mtdparts,
+			       const char *boot,
+			       const char *tee,
+			       const char *user)
+{
+	/* mtdids: "<dev>=<dev>, ...." */
+	if (mtdids[0] != '\0')
+		strcat(mtdids, ",");
+	strcat(mtdids, dev);
+	strcat(mtdids, "=");
+	strcat(mtdids, dev);
+
+	/* mtdparts: "mtdparts=<dev>:<mtdparts_<dev>>;..." */
+	if (mtdparts[0] != '\0')
+		strncat(mtdparts, ";", MTDPARTS_LEN);
+	else
+		strcat(mtdparts, "mtdparts=");
+
+	strncat(mtdparts, dev, MTDPARTS_LEN);
+	strncat(mtdparts, ":", MTDPARTS_LEN);
+
+	if (boot) {
+		strncat(mtdparts, boot, MTDPARTS_LEN);
+		strncat(mtdparts, ",", MTDPARTS_LEN);
+	}
+
+	if (tee) {
+		strncat(mtdparts, tee, MTDPARTS_LEN);
+		strncat(mtdparts, ",", MTDPARTS_LEN);
+	}
+
+	strncat(mtdparts, user, MTDPARTS_LEN);
+}
+
+void board_mtdparts_default(const char **mtdids, const char **mtdparts)
+{
+	struct mtd_info *mtd;
+	struct udevice *dev;
+	static char parts[3 * MTDPARTS_LEN + 1];
+	static char ids[MTDIDS_LEN + 1];
+	static bool mtd_initialized;
+	bool tee, nor, nand, spinand, serial;
+
+	if (mtd_initialized) {
+		*mtdids = ids;
+		*mtdparts = parts;
+		return;
+	}
+
+	tee = false;
+	nor = false;
+	nand = false;
+	spinand = false;
+	serial = false;
+
+	switch (get_bootmode() & TAMP_BOOT_DEVICE_MASK) {
+	case BOOT_SERIAL_UART:
+	case BOOT_SERIAL_USB:
+		serial = true;
+		if (CONFIG_IS_ENABLED(CMD_STM32PROG)) {
+			tee = stm32prog_get_tee_partitions();
+			nor = stm32prog_get_fsbl_nor();
+		}
+		nand = true;
+		spinand = true;
+		break;
+	case BOOT_FLASH_NAND:
+		nand = true;
+		break;
+	case BOOT_FLASH_SPINAND:
+		spinand = true;
+		break;
+	case BOOT_FLASH_NOR:
+		nor = true;
+		break;
+	default:
+		break;
+	}
+
+	if (!serial && CONFIG_IS_ENABLED(OPTEE) &&
+	    tee_find_device(NULL, NULL, NULL, NULL))
+		tee = true;
+
+	memset(parts, 0, sizeof(parts));
+	memset(ids, 0, sizeof(ids));
+
+	/* probe all MTD devices */
+	for (uclass_first_device(UCLASS_MTD, &dev);
+	     dev;
+	     uclass_next_device(&dev)) {
+		log_debug("mtd device = %s\n", dev->name);
+	}
+
+	if (nand) {
+		mtd = get_mtd_device_nm("nand0");
+		if (!IS_ERR_OR_NULL(mtd)) {
+			const char *mtd_tee = CONFIG_MTDPARTS_NAND0_TEE;
+			board_set_mtdparts("nand0", ids, parts,
+					   CONFIG_MTDPARTS_NAND0_BOOT,
+					   !nor && tee ? mtd_tee : NULL,
+					   "-(UBI)");
+			put_mtd_device(mtd);
+		}
+	}
+
+	if (spinand) {
+		mtd = get_mtd_device_nm("spi-nand0");
+		if (!IS_ERR_OR_NULL(mtd)) {
+			const char *mtd_tee = CONFIG_MTDPARTS_SPINAND0_TEE;
+			board_set_mtdparts("spi-nand0", ids, parts,
+					   CONFIG_MTDPARTS_SPINAND0_BOOT,
+					   !nor && tee ? mtd_tee : NULL,
+					   "-(UBI)");
+			put_mtd_device(mtd);
+		}
+	}
+
+	if (nor) {
+		if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) {
+			const char *mtd_tee = CONFIG_MTDPARTS_NOR0_TEE;
+			board_set_mtdparts("nor0", ids, parts,
+					   CONFIG_MTDPARTS_NOR0_BOOT,
+					   tee ? mtd_tee : NULL,
+					   "-(nor_user)");
+		}
+	}
+
+	mtd_initialized = true;
+	*mtdids = ids;
+	*mtdparts = parts;
+	log_debug("mtdids=%s & mtdparts=%s\n", ids, parts);
+}
-- 
cgit 1.2.3-korg