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@@ -0,0 +1,1745 @@
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+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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+/*
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+ * Copyright (C) 2020, STMicroelectronics - All Rights Reserved
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+ */
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+
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+#include <common.h>
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+#include <console.h>
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+#include <dfu.h>
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+#include <malloc.h>
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+#include <misc.h>
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+#include <mmc.h>
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+#include <part.h>
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+#include <asm/arch/stm32mp1_smc.h>
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+#include <dm/uclass.h>
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+#include <jffs2/load_kernel.h>
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+#include <linux/list.h>
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+#include <linux/list_sort.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/sizes.h>
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+
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+#include "stm32prog.h"
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+
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+/* Primary GPT header size for 128 entries : 17kB = 34 LBA of 512B */
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+#define GPT_HEADER_SZ 34
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+
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+#define OPT_SELECT BIT(0)
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+#define OPT_EMPTY BIT(1)
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+#define OPT_DELETE BIT(2)
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+
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+#define IS_SELECT(part) ((part)->option & OPT_SELECT)
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+#define IS_EMPTY(part) ((part)->option & OPT_EMPTY)
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+#define IS_DELETE(part) ((part)->option & OPT_DELETE)
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+
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+#define ALT_BUF_LEN SZ_1K
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+
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+#define ROOTFS_MMC0_UUID \
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+ EFI_GUID(0xE91C4E10, 0x16E6, 0x4C0E, \
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+ 0xBD, 0x0E, 0x77, 0xBE, 0xCF, 0x4A, 0x35, 0x82)
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+
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+#define ROOTFS_MMC1_UUID \
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+ EFI_GUID(0x491F6117, 0x415D, 0x4F53, \
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+ 0x88, 0xC9, 0x6E, 0x0D, 0xE5, 0x4D, 0xEA, 0xC6)
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+
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+#define ROOTFS_MMC2_UUID \
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+ EFI_GUID(0xFD58F1C7, 0xBE0D, 0x4338, \
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+ 0x88, 0xE9, 0xAD, 0x8F, 0x05, 0x0A, 0xEB, 0x18)
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+
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+/* RAW parttion (binary / bootloader) used Linux - reserved UUID */
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+#define LINUX_RESERVED_UUID "8DA63339-0007-60C0-C436-083AC8230908"
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+
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+/*
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+ * unique partition guid (uuid) for partition named "rootfs"
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+ * on each MMC instance = SD Card or eMMC
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+ * allow fixed kernel bootcmd: "rootf=PARTUID=e91c4e10-..."
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+ */
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+static const efi_guid_t uuid_mmc[3] = {
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+ ROOTFS_MMC0_UUID,
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+ ROOTFS_MMC1_UUID,
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+ ROOTFS_MMC2_UUID
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+};
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+/* order of column in flash layout file */
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+enum stm32prog_col_t {
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+ COL_OPTION,
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+ COL_ID,
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+ COL_NAME,
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+ COL_TYPE,
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+ COL_IP,
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+ COL_OFFSET,
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+ COL_NB_STM32
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+};
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+
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+/* partition handling routines : CONFIG_CMD_MTDPARTS */
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+int mtdparts_init(void);
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+int find_dev_and_part(const char *id, struct mtd_device **dev,
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+ u8 *part_num, struct part_info **part);
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+
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+char *stm32prog_get_error(struct stm32prog_data *data)
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+{
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+ static const char error_msg[] = "Unspecified";
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+
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+ if (strlen(data->error) == 0)
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+ strcpy(data->error, error_msg);
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+
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+ return data->error;
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+}
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+
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+u8 stm32prog_header_check(struct raw_header_s *raw_header,
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+ struct image_header_s *header)
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+{
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+ unsigned int i;
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+
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+ header->present = 0;
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+ header->image_checksum = 0x0;
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+ header->image_length = 0x0;
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+
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+ if (!raw_header || !header) {
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+ pr_debug("%s:no header data\n", __func__);
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+ return -1;
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+ }
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+ if (raw_header->magic_number !=
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+ (('S' << 0) | ('T' << 8) | ('M' << 16) | (0x32 << 24))) {
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+ pr_debug("%s:invalid magic number : 0x%x\n",
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+ __func__, raw_header->magic_number);
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+ return -2;
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+ }
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+ /* only header v1.0 supported */
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+ if (raw_header->header_version != 0x00010000) {
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+ pr_debug("%s:invalid header version : 0x%x\n",
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+ __func__, raw_header->header_version);
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+ return -3;
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+ }
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+ if (raw_header->reserved1 != 0x0 || raw_header->reserved2) {
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+ pr_debug("%s:invalid reserved field\n", __func__);
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+ return -4;
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+ }
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+ for (i = 0; i < (sizeof(raw_header->padding) / 4); i++) {
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+ if (raw_header->padding[i] != 0) {
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+ pr_debug("%s:invalid padding field\n", __func__);
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+ return -5;
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+ }
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+ }
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+ header->present = 1;
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+ header->image_checksum = le32_to_cpu(raw_header->image_checksum);
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+ header->image_length = le32_to_cpu(raw_header->image_length);
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+
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+ return 0;
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+}
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+
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+static u32 stm32prog_header_checksum(u32 addr, struct image_header_s *header)
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+{
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+ u32 i, checksum;
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+ u8 *payload;
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+
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+ /* compute checksum on payload */
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+ payload = (u8 *)addr;
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+ checksum = 0;
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+ for (i = header->image_length; i > 0; i--)
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+ checksum += *(payload++);
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+
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+ return checksum;
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+}
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+
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+/* FLASHLAYOUT PARSING *****************************************/
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+static int parse_option(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+ char *c = p;
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+
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+ part->option = 0;
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+ if (!strcmp(p, "-"))
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+ return 0;
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+
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+ while (*c) {
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+ switch (*c) {
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+ case 'P':
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+ part->option |= OPT_SELECT;
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+ break;
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+ case 'E':
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+ part->option |= OPT_EMPTY;
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+ break;
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+ case 'D':
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+ part->option |= OPT_DELETE;
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+ break;
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+ default:
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+ result = -EINVAL;
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+ stm32prog_err("Layout line %d: invalid option '%c' in %s)",
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+ i, *c, p);
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+ return -EINVAL;
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+ }
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+ c++;
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+ }
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+ if (!(part->option & OPT_SELECT)) {
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+ stm32prog_err("Layout line %d: missing 'P' in option %s", i, p);
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+ return -EINVAL;
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+ }
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+
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+ return result;
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+}
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+
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+static int parse_id(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+ unsigned long value;
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+
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+ result = strict_strtoul(p, 0, &value);
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+ part->id = value;
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+ if (result || value > PHASE_LAST_USER) {
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+ stm32prog_err("Layout line %d: invalid phase value = %s", i, p);
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+ result = -EINVAL;
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+ }
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+
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+ return result;
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+}
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+
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+static int parse_name(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+
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+ if (strlen(p) < sizeof(part->name)) {
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+ strcpy(part->name, p);
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+ } else {
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+ stm32prog_err("Layout line %d: partition name too long [%d]: %s",
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+ i, strlen(p), p);
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+ result = -EINVAL;
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+ }
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+
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+ return result;
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+}
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+
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+static int parse_type(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+ int len = 0;
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+
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+ part->bin_nb = 0;
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+ if (!strncmp(p, "Binary", 6)) {
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+ part->part_type = PART_BINARY;
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+
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+ /* search for Binary(X) case */
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+ len = strlen(p);
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+ part->bin_nb = 1;
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+ if (len > 6) {
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+ if (len < 8 ||
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+ (p[6] != '(') ||
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+ (p[len - 1] != ')'))
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+ result = -EINVAL;
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+ else
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+ part->bin_nb =
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+ simple_strtoul(&p[7], NULL, 10);
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+ }
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+ } else if (!strcmp(p, "System")) {
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+ part->part_type = PART_SYSTEM;
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+ } else if (!strcmp(p, "FileSystem")) {
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+ part->part_type = PART_FILESYSTEM;
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+ } else if (!strcmp(p, "RawImage")) {
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+ part->part_type = RAW_IMAGE;
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+ } else {
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+ result = -EINVAL;
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+ }
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+ if (result)
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+ stm32prog_err("Layout line %d: type parsing error : '%s'",
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+ i, p);
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+
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+ return result;
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+}
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+
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+static int parse_ip(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+ unsigned int len = 0;
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+
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+ part->dev_id = 0;
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+ if (!strcmp(p, "none")) {
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+ part->target = STM32PROG_NONE;
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+ } else if (!strncmp(p, "mmc", 3)) {
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+ part->target = STM32PROG_MMC;
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+ len = 3;
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+ } else if (!strncmp(p, "nor", 3)) {
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+ part->target = STM32PROG_NOR;
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+ len = 3;
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+ } else if (!strncmp(p, "nand", 4)) {
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+ part->target = STM32PROG_NAND;
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+ len = 4;
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+ } else if (!strncmp(p, "spi-nand", 8)) {
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+ part->target = STM32PROG_SPI_NAND;
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+ len = 8;
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+ } else if (!strncmp(p, "ram", 3)) {
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+ part->target = STM32PROG_RAM;
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+ len = 0;
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+ } else {
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+ result = -EINVAL;
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+ }
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+ if (len) {
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+ /* only one digit allowed for device id */
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+ if (strlen(p) != len + 1) {
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+ result = -EINVAL;
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+ } else {
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+ part->dev_id = p[len] - '0';
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+ if (part->dev_id > 9)
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+ result = -EINVAL;
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+ }
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+ }
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+ if (result)
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+ stm32prog_err("Layout line %d: ip parsing error: '%s'", i, p);
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+
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+ return result;
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+}
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+
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+static int parse_offset(struct stm32prog_data *data,
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+ int i, char *p, struct stm32prog_part_t *part)
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+{
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+ int result = 0;
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+ char *tail;
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+
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+ part->part_id = 0;
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+ part->addr = 0;
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+ part->size = 0;
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+ /* eMMC boot parttion */
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+ if (!strncmp(p, "boot", 4)) {
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+ if (strlen(p) != 5) {
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+ result = -EINVAL;
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+ } else {
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+ if (p[4] == '1')
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+ part->part_id = -1;
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+ else if (p[4] == '2')
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+ part->part_id = -2;
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+ else
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+ result = -EINVAL;
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+ }
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+ if (result)
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+ stm32prog_err("Layout line %d: invalid part '%s'",
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+ i, p);
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+ } else {
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+ part->addr = simple_strtoull(p, &tail, 0);
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+ if (tail == p || *tail != '\0') {
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+ stm32prog_err("Layout line %d: invalid offset '%s'",
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+ i, p);
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+ result = -EINVAL;
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+ }
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+ }
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+
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+ return result;
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+}
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+
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+static
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+int (* const parse[COL_NB_STM32])(struct stm32prog_data *data, int i, char *p,
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+ struct stm32prog_part_t *part) = {
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+ [COL_OPTION] = parse_option,
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+ [COL_ID] = parse_id,
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+ [COL_NAME] = parse_name,
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+ [COL_TYPE] = parse_type,
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+ [COL_IP] = parse_ip,
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+ [COL_OFFSET] = parse_offset,
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+};
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+
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+static int parse_flash_layout(struct stm32prog_data *data,
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+ ulong addr,
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+ ulong size)
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+{
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+ int column = 0, part_nb = 0, ret;
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+ bool end_of_line, eof;
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+ char *p, *start, *last, *col;
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+ struct stm32prog_part_t *part;
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+ int part_list_size;
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+ int i;
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+
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+ data->part_nb = 0;
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+
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+ /* check if STM32image is detected */
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+ if (!stm32prog_header_check((struct raw_header_s *)addr,
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+ &data->header)) {
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+ u32 checksum;
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+
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+ addr = addr + BL_HEADER_SIZE;
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+ size = data->header.image_length;
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+
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+ checksum = stm32prog_header_checksum(addr, &data->header);
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+ if (checksum != data->header.image_checksum) {
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+ stm32prog_err("Layout: invalid checksum : 0x%x expected 0x%x",
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+ checksum, data->header.image_checksum);
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+ return -EIO;
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+ }
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+ }
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+ if (!size)
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+ return -EINVAL;
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+
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+ start = (char *)addr;
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+ last = start + size;
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+
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+ *last = 0x0; /* force null terminated string */
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+ pr_debug("flash layout =\n%s\n", start);
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+
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+ /* calculate expected number of partitions */
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+ part_list_size = 1;
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+ p = start;
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+ while (*p && (p < last)) {
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+ if (*p++ == '\n') {
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+ part_list_size++;
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+ if (p < last && *p == '#')
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+ part_list_size--;
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+ }
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+ }
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+ if (part_list_size > PHASE_LAST_USER) {
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+ stm32prog_err("Layout: too many partition (%d)",
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+ part_list_size);
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+ return -1;
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+ }
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+ part = calloc(sizeof(struct stm32prog_part_t), part_list_size);
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+ if (!part) {
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+ stm32prog_err("Layout: alloc failed");
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+ return -ENOMEM;
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+ }
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+ data->part_array = part;
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+
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+ /* main parsing loop */
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+ i = 1;
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+ eof = false;
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+ p = start;
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+ col = start; /* 1st column */
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+ end_of_line = false;
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+ while (!eof) {
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+ switch (*p) {
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+ /* CR is ignored and replaced by NULL character */
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|
|
+ case '\r':
|
|
|
+ *p = '\0';
|
|
|
+ p++;
|
|
|
+ continue;
|
|
|
+ case '\0':
|
|
|
+ end_of_line = true;
|
|
|
+ eof = true;
|
|
|
+ break;
|
|
|
+ case '\n':
|
|
|
+ end_of_line = true;
|
|
|
+ break;
|
|
|
+ case '\t':
|
|
|
+ break;
|
|
|
+ case '#':
|
|
|
+ /* comment line is skipped */
|
|
|
+ if (column == 0 && p == col) {
|
|
|
+ while ((p < last) && *p)
|
|
|
+ if (*p++ == '\n')
|
|
|
+ break;
|
|
|
+ col = p;
|
|
|
+ i++;
|
|
|
+ if (p >= last || !*p) {
|
|
|
+ eof = true;
|
|
|
+ end_of_line = true;
|
|
|
+ }
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ /* fall through */
|
|
|
+ /* by default continue with the next character */
|
|
|
+ default:
|
|
|
+ p++;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* replace by \0: allow string parsing for each column */
|
|
|
+ *p = '\0';
|
|
|
+ p++;
|
|
|
+ if (p >= last) {
|
|
|
+ eof = true;
|
|
|
+ end_of_line = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* skip empty line and multiple TAB in tsv file */
|
|
|
+ if (strlen(col) == 0) {
|
|
|
+ col = p;
|
|
|
+ /* skip empty line */
|
|
|
+ if (column == 0 && end_of_line) {
|
|
|
+ end_of_line = false;
|
|
|
+ i++;
|
|
|
+ }
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (column < COL_NB_STM32) {
|
|
|
+ ret = parse[column](data, i, col, part);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* save the beginning of the next column */
|
|
|
+ column++;
|
|
|
+ col = p;
|
|
|
+
|
|
|
+ if (!end_of_line)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ /* end of the line detected */
|
|
|
+ end_of_line = false;
|
|
|
+
|
|
|
+ if (column < COL_NB_STM32) {
|
|
|
+ stm32prog_err("Layout line %d: no enought column", i);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ column = 0;
|
|
|
+ part_nb++;
|
|
|
+ part++;
|
|
|
+ i++;
|
|
|
+ if (part_nb >= part_list_size) {
|
|
|
+ part = NULL;
|
|
|
+ if (!eof) {
|
|
|
+ stm32prog_err("Layout: no enought memory for %d part",
|
|
|
+ part_nb);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ data->part_nb = part_nb;
|
|
|
+ if (data->part_nb == 0) {
|
|
|
+ stm32prog_err("Layout: no partition found");
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int __init part_cmp(void *priv, struct list_head *a, struct list_head *b)
|
|
|
+{
|
|
|
+ struct stm32prog_part_t *parta, *partb;
|
|
|
+
|
|
|
+ parta = container_of(a, struct stm32prog_part_t, list);
|
|
|
+ partb = container_of(b, struct stm32prog_part_t, list);
|
|
|
+
|
|
|
+ if (parta->part_id != partb->part_id)
|
|
|
+ return parta->part_id - partb->part_id;
|
|
|
+ else
|
|
|
+ return parta->addr > partb->addr ? 1 : -1;
|
|
|
+}
|
|
|
+
|
|
|
+static void get_mtd_by_target(char *string, enum stm32prog_target target,
|
|
|
+ int dev_id)
|
|
|
+{
|
|
|
+ const char *dev_str;
|
|
|
+
|
|
|
+ switch (target) {
|
|
|
+ case STM32PROG_NOR:
|
|
|
+ dev_str = "nor";
|
|
|
+ break;
|
|
|
+ case STM32PROG_NAND:
|
|
|
+ dev_str = "nand";
|
|
|
+ break;
|
|
|
+ case STM32PROG_SPI_NAND:
|
|
|
+ dev_str = "spi-nand";
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ dev_str = "invalid";
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ sprintf(string, "%s%d", dev_str, dev_id);
|
|
|
+}
|
|
|
+
|
|
|
+static int init_device(struct stm32prog_data *data,
|
|
|
+ struct stm32prog_dev_t *dev)
|
|
|
+{
|
|
|
+ struct mmc *mmc = NULL;
|
|
|
+ struct blk_desc *block_dev = NULL;
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ struct mtd_info *mtd = NULL;
|
|
|
+ char mtd_id[16];
|
|
|
+#endif
|
|
|
+ int part_id;
|
|
|
+ int ret;
|
|
|
+ u64 first_addr = 0, last_addr = 0;
|
|
|
+ struct stm32prog_part_t *part, *next_part;
|
|
|
+ u64 part_addr, part_size;
|
|
|
+ bool part_found;
|
|
|
+ const char *part_name;
|
|
|
+
|
|
|
+ switch (dev->target) {
|
|
|
+#ifdef CONFIG_MMC
|
|
|
+ case STM32PROG_MMC:
|
|
|
+ mmc = find_mmc_device(dev->dev_id);
|
|
|
+ if (mmc_init(mmc)) {
|
|
|
+ stm32prog_err("mmc device %d not found", dev->dev_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ block_dev = mmc_get_blk_desc(mmc);
|
|
|
+ if (!block_dev) {
|
|
|
+ stm32prog_err("mmc device %d not probed", dev->dev_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ dev->erase_size = mmc->erase_grp_size * block_dev->blksz;
|
|
|
+ dev->mmc = mmc;
|
|
|
+
|
|
|
+ /* reserve a full erase group for each GTP headers */
|
|
|
+ if (mmc->erase_grp_size > GPT_HEADER_SZ) {
|
|
|
+ first_addr = dev->erase_size;
|
|
|
+ last_addr = (u64)(block_dev->lba -
|
|
|
+ mmc->erase_grp_size) *
|
|
|
+ block_dev->blksz;
|
|
|
+ } else {
|
|
|
+ first_addr = (u64)GPT_HEADER_SZ * block_dev->blksz;
|
|
|
+ last_addr = (u64)(block_dev->lba - GPT_HEADER_SZ - 1) *
|
|
|
+ block_dev->blksz;
|
|
|
+ }
|
|
|
+ pr_debug("MMC %d: lba=%ld blksz=%ld\n", dev->dev_id,
|
|
|
+ block_dev->lba, block_dev->blksz);
|
|
|
+ pr_debug(" available address = 0x%llx..0x%llx\n",
|
|
|
+ first_addr, last_addr);
|
|
|
+ pr_debug(" full_update = %d\n", dev->full_update);
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ case STM32PROG_NOR:
|
|
|
+ case STM32PROG_NAND:
|
|
|
+ case STM32PROG_SPI_NAND:
|
|
|
+ get_mtd_by_target(mtd_id, dev->target, dev->dev_id);
|
|
|
+ pr_debug("%s\n", mtd_id);
|
|
|
+
|
|
|
+ mtdparts_init();
|
|
|
+ mtd = get_mtd_device_nm(mtd_id);
|
|
|
+ if (IS_ERR(mtd)) {
|
|
|
+ stm32prog_err("MTD device %s not found", mtd_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ first_addr = 0;
|
|
|
+ last_addr = mtd->size;
|
|
|
+ dev->erase_size = mtd->erasesize;
|
|
|
+ pr_debug("MTD device %s: size=%lld erasesize=%d\n",
|
|
|
+ mtd_id, mtd->size, mtd->erasesize);
|
|
|
+ pr_debug(" available address = 0x%llx..0x%llx\n",
|
|
|
+ first_addr, last_addr);
|
|
|
+ dev->mtd = mtd;
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+ case STM32PROG_RAM:
|
|
|
+ first_addr = gd->bd->bi_dram[0].start;
|
|
|
+ last_addr = first_addr + gd->bd->bi_dram[0].size;
|
|
|
+ dev->erase_size = 1;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ stm32prog_err("unknown device type = %d", dev->target);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ pr_debug(" erase size = 0x%x\n", dev->erase_size);
|
|
|
+ pr_debug(" full_update = %d\n", dev->full_update);
|
|
|
+
|
|
|
+ /* order partition list in offset order */
|
|
|
+ list_sort(NULL, &dev->part_list, &part_cmp);
|
|
|
+ part_id = 1;
|
|
|
+ pr_debug("id : Opt Phase Name target.n dev.n addr size part_off part_size\n");
|
|
|
+ list_for_each_entry(part, &dev->part_list, list) {
|
|
|
+ if (part->bin_nb > 1) {
|
|
|
+ if ((dev->target != STM32PROG_NAND &&
|
|
|
+ dev->target != STM32PROG_SPI_NAND) ||
|
|
|
+ part->id >= PHASE_FIRST_USER ||
|
|
|
+ strncmp(part->name, "fsbl", 4)) {
|
|
|
+ stm32prog_err("%s (0x%x): multiple binary %d not supported",
|
|
|
+ part->name, part->id,
|
|
|
+ part->bin_nb);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (part->part_type == RAW_IMAGE) {
|
|
|
+ part->part_id = 0x0;
|
|
|
+ part->addr = 0x0;
|
|
|
+ if (block_dev)
|
|
|
+ part->size = block_dev->lba * block_dev->blksz;
|
|
|
+ else
|
|
|
+ part->size = last_addr;
|
|
|
+ pr_debug("-- : %1d %02x %14s %02d.%d %02d.%02d %08llx %08llx\n",
|
|
|
+ part->option, part->id, part->name,
|
|
|
+ part->part_type, part->bin_nb, part->target,
|
|
|
+ part->dev_id, part->addr, part->size);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (part->part_id < 0) { /* boot hw partition for eMMC */
|
|
|
+ if (mmc) {
|
|
|
+ part->size = mmc->capacity_boot;
|
|
|
+ } else {
|
|
|
+ stm32prog_err("%s (0x%x): hw partition not expected : %d",
|
|
|
+ part->name, part->id,
|
|
|
+ part->part_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ part->part_id = part_id++;
|
|
|
+
|
|
|
+ /* last partition : size to the end of the device */
|
|
|
+ if (part->list.next != &dev->part_list) {
|
|
|
+ next_part =
|
|
|
+ container_of(part->list.next,
|
|
|
+ struct stm32prog_part_t,
|
|
|
+ list);
|
|
|
+ if (part->addr < next_part->addr) {
|
|
|
+ part->size = next_part->addr -
|
|
|
+ part->addr;
|
|
|
+ } else {
|
|
|
+ stm32prog_err("%s (0x%x): same address : 0x%llx == %s (0x%x): 0x%llx",
|
|
|
+ part->name, part->id,
|
|
|
+ part->addr,
|
|
|
+ next_part->name,
|
|
|
+ next_part->id,
|
|
|
+ next_part->addr);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (part->addr <= last_addr) {
|
|
|
+ part->size = last_addr - part->addr;
|
|
|
+ } else {
|
|
|
+ stm32prog_err("%s (0x%x): invalid address 0x%llx (max=0x%llx)",
|
|
|
+ part->name, part->id,
|
|
|
+ part->addr, last_addr);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (part->addr < first_addr) {
|
|
|
+ stm32prog_err("%s (0x%x): invalid address 0x%llx (min=0x%llx)",
|
|
|
+ part->name, part->id,
|
|
|
+ part->addr, first_addr);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ((part->addr & ((u64)part->dev->erase_size - 1)) != 0) {
|
|
|
+ stm32prog_err("%s (0x%x): not aligned address : 0x%llx on erase size 0x%x",
|
|
|
+ part->name, part->id, part->addr,
|
|
|
+ part->dev->erase_size);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ pr_debug("%02d : %1d %02x %14s %02d.%d %02d.%02d %08llx %08llx",
|
|
|
+ part->part_id, part->option, part->id, part->name,
|
|
|
+ part->part_type, part->bin_nb, part->target,
|
|
|
+ part->dev_id, part->addr, part->size);
|
|
|
+
|
|
|
+ part_addr = 0;
|
|
|
+ part_size = 0;
|
|
|
+ part_found = false;
|
|
|
+
|
|
|
+ /* check coherency with existing partition */
|
|
|
+ if (block_dev) {
|
|
|
+ /*
|
|
|
+ * block devices with GPT: check user partition size
|
|
|
+ * only for partial update, the GPT partions are be
|
|
|
+ * created for full update
|
|
|
+ */
|
|
|
+ if (dev->full_update || part->part_id < 0) {
|
|
|
+ pr_debug("\n");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ disk_partition_t partinfo;
|
|
|
+
|
|
|
+ ret = part_get_info(block_dev, part->part_id,
|
|
|
+ &partinfo);
|
|
|
+
|
|
|
+ if (ret) {
|
|
|
+ stm32prog_err("%s (0x%x):Couldn't find part %d on device mmc %d",
|
|
|
+ part->name, part->id,
|
|
|
+ part_id, part->dev_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ part_addr = (u64)partinfo.start * partinfo.blksz;
|
|
|
+ part_size = (u64)partinfo.size * partinfo.blksz;
|
|
|
+ part_name = (char *)partinfo.name;
|
|
|
+ part_found = true;
|
|
|
+ }
|
|
|
+
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ if (mtd) {
|
|
|
+ char mtd_part_id[32];
|
|
|
+ struct part_info *mtd_part;
|
|
|
+ struct mtd_device *mtd_dev;
|
|
|
+ u8 part_num;
|
|
|
+
|
|
|
+ sprintf(mtd_part_id, "%s,%d", mtd_id,
|
|
|
+ part->part_id - 1);
|
|
|
+ ret = find_dev_and_part(mtd_part_id, &mtd_dev,
|
|
|
+ &part_num, &mtd_part);
|
|
|
+ if (ret != 0) {
|
|
|
+ stm32prog_err("%s (0x%x): Invalid MTD partition %s",
|
|
|
+ part->name, part->id,
|
|
|
+ mtd_part_id);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ part_addr = mtd_part->offset;
|
|
|
+ part_size = mtd_part->size;
|
|
|
+ part_name = mtd_part->name;
|
|
|
+ part_found = true;
|
|
|
+ }
|
|
|
+#endif
|
|
|
+ if (!part_found) {
|
|
|
+ stm32prog_err("%s (0x%x): Invalid partition",
|
|
|
+ part->name, part->id);
|
|
|
+ pr_debug("\n");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ pr_debug(" %08llx %08llx\n", part_addr, part_size);
|
|
|
+
|
|
|
+ if (part->addr != part_addr) {
|
|
|
+ stm32prog_err("%s (0x%x): Bad address for partition %d (%s) = 0x%llx <> 0x%llx expected",
|
|
|
+ part->name, part->id, part->part_id,
|
|
|
+ part_name, part->addr, part_addr);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ if (part->size != part_size) {
|
|
|
+ stm32prog_err("%s (0x%x): Bad size for partition %d (%s) at 0x%llx = 0x%llx <> 0x%llx expected",
|
|
|
+ part->name, part->id, part->part_id,
|
|
|
+ part_name, part->addr, part->size,
|
|
|
+ part_size);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int treat_partition_list(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ int i, j;
|
|
|
+ struct stm32prog_part_t *part;
|
|
|
+
|
|
|
+ for (j = 0; j < STM32PROG_MAX_DEV; j++) {
|
|
|
+ data->dev[j].target = STM32PROG_NONE;
|
|
|
+ INIT_LIST_HEAD(&data->dev[j].part_list);
|
|
|
+ }
|
|
|
+
|
|
|
+ data->tee_detected = false;
|
|
|
+ data->fsbl_nor_detected = false;
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ part = &data->part_array[i];
|
|
|
+ part->alt_id = -1;
|
|
|
+
|
|
|
+ /* skip partition with IP="none" */
|
|
|
+ if (part->target == STM32PROG_NONE) {
|
|
|
+ if (IS_SELECT(part)) {
|
|
|
+ stm32prog_err("Layout: selected none phase = 0x%x",
|
|
|
+ part->id);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (part->id == PHASE_FLASHLAYOUT ||
|
|
|
+ part->id > PHASE_LAST_USER) {
|
|
|
+ stm32prog_err("Layout: invalid phase = 0x%x",
|
|
|
+ part->id);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ for (j = i + 1; j < data->part_nb; j++) {
|
|
|
+ if (part->id == data->part_array[j].id) {
|
|
|
+ stm32prog_err("Layout: duplicated phase 0x%x at line %d and %d",
|
|
|
+ part->id, i, j);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ for (j = 0; j < STM32PROG_MAX_DEV; j++) {
|
|
|
+ if (data->dev[j].target == STM32PROG_NONE) {
|
|
|
+ /* new device found */
|
|
|
+ data->dev[j].target = part->target;
|
|
|
+ data->dev[j].dev_id = part->dev_id;
|
|
|
+ data->dev[j].full_update = true;
|
|
|
+ data->dev_nb++;
|
|
|
+ break;
|
|
|
+ } else if ((part->target == data->dev[j].target) &&
|
|
|
+ (part->dev_id == data->dev[j].dev_id)) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (j == STM32PROG_MAX_DEV) {
|
|
|
+ stm32prog_err("Layout: too many device");
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ switch (part->target) {
|
|
|
+ case STM32PROG_NOR:
|
|
|
+ if (!data->fsbl_nor_detected &&
|
|
|
+ !strncmp(part->name, "fsbl", 4))
|
|
|
+ data->fsbl_nor_detected = true;
|
|
|
+ /* fallthrough */
|
|
|
+ case STM32PROG_NAND:
|
|
|
+ case STM32PROG_SPI_NAND:
|
|
|
+ if (!data->tee_detected &&
|
|
|
+ !strncmp(part->name, "tee", 3))
|
|
|
+ data->tee_detected = true;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ part->dev = &data->dev[j];
|
|
|
+ if (!IS_SELECT(part))
|
|
|
+ part->dev->full_update = false;
|
|
|
+ list_add_tail(&part->list, &data->dev[j].part_list);
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int create_partitions(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+#ifdef CONFIG_MMC
|
|
|
+ int offset = 0;
|
|
|
+ const int buflen = SZ_8K;
|
|
|
+ char *buf;
|
|
|
+ char uuid[UUID_STR_LEN + 1];
|
|
|
+ unsigned char *uuid_bin;
|
|
|
+ unsigned int mmc_id;
|
|
|
+ int i;
|
|
|
+ bool rootfs_found;
|
|
|
+ struct stm32prog_part_t *part;
|
|
|
+
|
|
|
+ buf = malloc(buflen);
|
|
|
+ if (!buf)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ puts("partitions : ");
|
|
|
+ /* initialize the selected device */
|
|
|
+ for (i = 0; i < data->dev_nb; i++) {
|
|
|
+ /* create gpt partition support only for full update on MMC */
|
|
|
+ if (data->dev[i].target != STM32PROG_MMC ||
|
|
|
+ !data->dev[i].full_update)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ offset = 0;
|
|
|
+ rootfs_found = false;
|
|
|
+ memset(buf, 0, buflen);
|
|
|
+
|
|
|
+ list_for_each_entry(part, &data->dev[i].part_list, list) {
|
|
|
+ /* skip eMMC boot partitions */
|
|
|
+ if (part->part_id < 0)
|
|
|
+ continue;
|
|
|
+ /* skip Raw Image */
|
|
|
+ if (part->part_type == RAW_IMAGE)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (offset + 100 > buflen) {
|
|
|
+ pr_debug("\n%s: buffer too small, %s skippped",
|
|
|
+ __func__, part->name);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!offset)
|
|
|
+ offset += sprintf(buf, "gpt write mmc %d \"",
|
|
|
+ data->dev[i].dev_id);
|
|
|
+
|
|
|
+ offset += snprintf(buf + offset, buflen - offset,
|
|
|
+ "name=%s,start=0x%llx,size=0x%llx",
|
|
|
+ part->name,
|
|
|
+ part->addr,
|
|
|
+ part->size);
|
|
|
+
|
|
|
+ if (part->part_type == PART_BINARY)
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ buflen - offset,
|
|
|
+ ",type="
|
|
|
+ LINUX_RESERVED_UUID);
|
|
|
+ else
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ buflen - offset,
|
|
|
+ ",type=linux");
|
|
|
+
|
|
|
+ if (part->part_type == PART_SYSTEM)
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ buflen - offset,
|
|
|
+ ",bootable");
|
|
|
+
|
|
|
+ if (!rootfs_found && !strcmp(part->name, "rootfs")) {
|
|
|
+ mmc_id = part->dev_id;
|
|
|
+ rootfs_found = true;
|
|
|
+ if (mmc_id < ARRAY_SIZE(uuid_mmc)) {
|
|
|
+ uuid_bin =
|
|
|
+ (unsigned char *)uuid_mmc[mmc_id].b;
|
|
|
+ uuid_bin_to_str(uuid_bin, uuid,
|
|
|
+ UUID_STR_FORMAT_GUID);
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ buflen - offset,
|
|
|
+ ",uuid=%s", uuid);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ offset += snprintf(buf + offset, buflen - offset, ";");
|
|
|
+ }
|
|
|
+
|
|
|
+ if (offset) {
|
|
|
+ offset += snprintf(buf + offset, buflen - offset, "\"");
|
|
|
+ pr_debug("\ncmd: %s\n", buf);
|
|
|
+ if (run_command(buf, 0)) {
|
|
|
+ stm32prog_err("GPT partitionning fail: %s",
|
|
|
+ buf);
|
|
|
+ free(buf);
|
|
|
+
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (data->dev[i].mmc)
|
|
|
+ part_init(mmc_get_blk_desc(data->dev[i].mmc));
|
|
|
+
|
|
|
+#ifdef DEBUG
|
|
|
+ sprintf(buf, "gpt verify mmc %d", data->dev[i].dev_id);
|
|
|
+ pr_debug("\ncmd: %s", buf);
|
|
|
+ if (run_command(buf, 0))
|
|
|
+ printf("fail !\n");
|
|
|
+ else
|
|
|
+ printf("OK\n");
|
|
|
+
|
|
|
+ sprintf(buf, "part list mmc %d", data->dev[i].dev_id);
|
|
|
+ run_command(buf, 0);
|
|
|
+#endif
|
|
|
+ }
|
|
|
+ puts("done\n");
|
|
|
+
|
|
|
+#ifdef DEBUG
|
|
|
+ run_command("mtd list", 0);
|
|
|
+#endif
|
|
|
+ free(buf);
|
|
|
+#endif
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int stm32prog_alt_add(struct stm32prog_data *data,
|
|
|
+ struct dfu_entity *dfu,
|
|
|
+ struct stm32prog_part_t *part)
|
|
|
+{
|
|
|
+ int ret = 0;
|
|
|
+ int offset = 0;
|
|
|
+ char devstr[10];
|
|
|
+ char dfustr[10];
|
|
|
+ char buf[ALT_BUF_LEN];
|
|
|
+ u32 size;
|
|
|
+ char multiplier, type;
|
|
|
+
|
|
|
+ /* max 3 digit for sector size */
|
|
|
+ if (part->size > SZ_1M) {
|
|
|
+ size = (u32)(part->size / SZ_1M);
|
|
|
+ multiplier = 'M';
|
|
|
+ } else if (part->size > SZ_1K) {
|
|
|
+ size = (u32)(part->size / SZ_1K);
|
|
|
+ multiplier = 'K';
|
|
|
+ } else {
|
|
|
+ size = (u32)part->size;
|
|
|
+ multiplier = 'B';
|
|
|
+ }
|
|
|
+ if (IS_SELECT(part) && !IS_EMPTY(part))
|
|
|
+ type = 'e'; /*Readable and Writeable*/
|
|
|
+ else
|
|
|
+ type = 'a';/*Readable*/
|
|
|
+
|
|
|
+ memset(buf, 0, sizeof(buf));
|
|
|
+ offset = snprintf(buf, ALT_BUF_LEN - offset,
|
|
|
+ "@%s/0x%02x/1*%d%c%c ",
|
|
|
+ part->name, part->id,
|
|
|
+ size, multiplier, type);
|
|
|
+
|
|
|
+ if (part->target == STM32PROG_RAM) {
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ "ram 0x%llx 0x%llx",
|
|
|
+ part->addr, part->size);
|
|
|
+ } else if (part->part_type == RAW_IMAGE) {
|
|
|
+ u64 dfu_size;
|
|
|
+
|
|
|
+ if (part->dev->target == STM32PROG_MMC)
|
|
|
+ dfu_size = part->size / part->dev->mmc->read_bl_len;
|
|
|
+ else
|
|
|
+ dfu_size = part->size;
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ "raw 0x0 0x%llx", dfu_size);
|
|
|
+ } else if (part->part_id < 0) {
|
|
|
+ u64 nb_blk = part->size / part->dev->mmc->read_bl_len;
|
|
|
+
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ "raw 0x%llx 0x%llx",
|
|
|
+ part->addr, nb_blk);
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ " mmcpart %d;", -(part->part_id));
|
|
|
+ } else {
|
|
|
+ if (part->part_type == PART_SYSTEM &&
|
|
|
+ (part->target == STM32PROG_NAND ||
|
|
|
+ part->target == STM32PROG_NOR ||
|
|
|
+ part->target == STM32PROG_SPI_NAND))
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ ALT_BUF_LEN - offset,
|
|
|
+ "partubi");
|
|
|
+ else
|
|
|
+ offset += snprintf(buf + offset,
|
|
|
+ ALT_BUF_LEN - offset,
|
|
|
+ "part");
|
|
|
+ /* dev_id requested by DFU MMC */
|
|
|
+ if (part->target == STM32PROG_MMC)
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ " %d", part->dev_id);
|
|
|
+ offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
|
|
|
+ " %d;", part->part_id);
|
|
|
+ }
|
|
|
+ switch (part->target) {
|
|
|
+#ifdef CONFIG_MMC
|
|
|
+ case STM32PROG_MMC:
|
|
|
+ sprintf(dfustr, "mmc");
|
|
|
+ sprintf(devstr, "%d", part->dev_id);
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ case STM32PROG_NAND:
|
|
|
+ case STM32PROG_NOR:
|
|
|
+ case STM32PROG_SPI_NAND:
|
|
|
+ sprintf(dfustr, "mtd");
|
|
|
+ get_mtd_by_target(devstr, part->target, part->dev_id);
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+ case STM32PROG_RAM:
|
|
|
+ sprintf(dfustr, "ram");
|
|
|
+ sprintf(devstr, "0");
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ stm32prog_err("invalid target: %d", part->target);
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ pr_debug("dfu_alt_add(%s,%s,%s)\n", dfustr, devstr, buf);
|
|
|
+ ret = dfu_alt_add(dfu, dfustr, devstr, buf);
|
|
|
+ pr_debug("dfu_alt_add(%s,%s,%s) result %d\n",
|
|
|
+ dfustr, devstr, buf, ret);
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int stm32prog_alt_add_virt(struct dfu_entity *dfu,
|
|
|
+ char *name, int phase, int size)
|
|
|
+{
|
|
|
+ int ret = 0;
|
|
|
+ char devstr[4];
|
|
|
+ char buf[ALT_BUF_LEN];
|
|
|
+
|
|
|
+ sprintf(devstr, "%d", phase);
|
|
|
+ sprintf(buf, "@%s/0x%02x/1*%dBe", name, phase, size);
|
|
|
+ ret = dfu_alt_add(dfu, "virt", devstr, buf);
|
|
|
+ pr_debug("dfu_alt_add(virt,%s,%s) result %d\n", devstr, buf, ret);
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int dfu_init_entities(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ int ret = 0;
|
|
|
+ int phase, i, alt_id;
|
|
|
+ struct stm32prog_part_t *part;
|
|
|
+ struct dfu_entity *dfu;
|
|
|
+ int alt_nb;
|
|
|
+
|
|
|
+ alt_nb = 3; /* number of virtual = CMD, OTP, PMIC*/
|
|
|
+ if (data->part_nb == 0)
|
|
|
+ alt_nb++; /* +1 for FlashLayout */
|
|
|
+ else
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ if (data->part_array[i].target != STM32PROG_NONE)
|
|
|
+ alt_nb++;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dfu_alt_init(alt_nb, &dfu))
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ puts("DFU alt info setting: ");
|
|
|
+ if (data->part_nb) {
|
|
|
+ alt_id = 0;
|
|
|
+ for (phase = 1;
|
|
|
+ (phase <= PHASE_LAST_USER) &&
|
|
|
+ (alt_id < alt_nb) && !ret;
|
|
|
+ phase++) {
|
|
|
+ /* ordering alt setting by phase id */
|
|
|
+ part = NULL;
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ if (phase == data->part_array[i].id) {
|
|
|
+ part = &data->part_array[i];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!part)
|
|
|
+ continue;
|
|
|
+ if (part->target == STM32PROG_NONE)
|
|
|
+ continue;
|
|
|
+ part->alt_id = alt_id;
|
|
|
+ alt_id++;
|
|
|
+
|
|
|
+ ret = stm32prog_alt_add(data, dfu, part);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ char buf[ALT_BUF_LEN];
|
|
|
+
|
|
|
+ sprintf(buf, "@FlashLayout/0x%02x/1*256Ke ram %x 40000",
|
|
|
+ PHASE_FLASHLAYOUT, STM32_DDR_BASE);
|
|
|
+ ret = dfu_alt_add(dfu, "ram", NULL, buf);
|
|
|
+ pr_debug("dfu_alt_add(ram, NULL,%s) result %d\n", buf, ret);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!ret)
|
|
|
+ ret = stm32prog_alt_add_virt(dfu, "virtual", PHASE_CMD, 512);
|
|
|
+
|
|
|
+ if (!ret)
|
|
|
+ ret = stm32prog_alt_add_virt(dfu, "OTP", PHASE_OTP, 512);
|
|
|
+
|
|
|
+ if (!ret && CONFIG_IS_ENABLED(DM_PMIC))
|
|
|
+ ret = stm32prog_alt_add_virt(dfu, "PMIC", PHASE_PMIC, 8);
|
|
|
+
|
|
|
+ if (ret)
|
|
|
+ stm32prog_err("dfu init failed: %d", ret);
|
|
|
+ puts("done\n");
|
|
|
+
|
|
|
+#ifdef DEBUG
|
|
|
+ dfu_show_entities();
|
|
|
+#endif
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_otp_write(struct stm32prog_data *data, u32 offset, u8 *buffer,
|
|
|
+ long *size)
|
|
|
+{
|
|
|
+ pr_debug("%s: %x %lx\n", __func__, offset, *size);
|
|
|
+
|
|
|
+ if (!data->otp_part) {
|
|
|
+ data->otp_part = memalign(CONFIG_SYS_CACHELINE_SIZE, OTP_SIZE);
|
|
|
+ if (!data->otp_part)
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!offset)
|
|
|
+ memset(data->otp_part, 0, OTP_SIZE);
|
|
|
+
|
|
|
+ if (offset + *size > OTP_SIZE)
|
|
|
+ *size = OTP_SIZE - offset;
|
|
|
+
|
|
|
+ memcpy((void *)((u32)data->otp_part + offset), buffer, *size);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_otp_read(struct stm32prog_data *data, u32 offset, u8 *buffer,
|
|
|
+ long *size)
|
|
|
+{
|
|
|
+#ifndef CONFIG_ARM_SMCCC
|
|
|
+ stm32prog_err("OTP update not supported");
|
|
|
+
|
|
|
+ return -1;
|
|
|
+#else
|
|
|
+ int result = 0;
|
|
|
+
|
|
|
+ pr_debug("%s: %x %lx\n", __func__, offset, *size);
|
|
|
+ /* alway read for first packet */
|
|
|
+ if (!offset) {
|
|
|
+ if (!data->otp_part)
|
|
|
+ data->otp_part =
|
|
|
+ memalign(CONFIG_SYS_CACHELINE_SIZE, OTP_SIZE);
|
|
|
+
|
|
|
+ if (!data->otp_part) {
|
|
|
+ result = -ENOMEM;
|
|
|
+ goto end_otp_read;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* init struct with 0 */
|
|
|
+ memset(data->otp_part, 0, OTP_SIZE);
|
|
|
+
|
|
|
+ /* call the service */
|
|
|
+ result = stm32_smc_exec(STM32_SMC_BSEC, STM32_SMC_READ_ALL,
|
|
|
+ (u32)data->otp_part, 0);
|
|
|
+ if (result)
|
|
|
+ goto end_otp_read;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!data->otp_part) {
|
|
|
+ result = -ENOMEM;
|
|
|
+ goto end_otp_read;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (offset + *size > OTP_SIZE)
|
|
|
+ *size = OTP_SIZE - offset;
|
|
|
+ memcpy(buffer, (void *)((u32)data->otp_part + offset), *size);
|
|
|
+
|
|
|
+end_otp_read:
|
|
|
+ pr_debug("%s: result %i\n", __func__, result);
|
|
|
+
|
|
|
+ return result;
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_otp_start(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+#ifndef CONFIG_ARM_SMCCC
|
|
|
+ stm32prog_err("OTP update not supported");
|
|
|
+
|
|
|
+ return -1;
|
|
|
+#else
|
|
|
+ int result = 0;
|
|
|
+ struct arm_smccc_res res;
|
|
|
+
|
|
|
+ if (!data->otp_part) {
|
|
|
+ stm32prog_err("start OTP without data");
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ arm_smccc_smc(STM32_SMC_BSEC, STM32_SMC_WRITE_ALL,
|
|
|
+ (u32)data->otp_part, 0, 0, 0, 0, 0, &res);
|
|
|
+
|
|
|
+ if (!res.a0) {
|
|
|
+ switch (res.a1) {
|
|
|
+ case 0:
|
|
|
+ result = 0;
|
|
|
+ break;
|
|
|
+ case 1:
|
|
|
+ stm32prog_err("Provisioning");
|
|
|
+ result = 0;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ pr_err("%s: OTP incorrect value (err = %ld)\n",
|
|
|
+ __func__, res.a1);
|
|
|
+ result = -EINVAL;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ pr_err("%s: Failed to exec svc=%x op=%x in secure mode (err = %ld)\n",
|
|
|
+ __func__, STM32_SMC_BSEC, STM32_SMC_WRITE_ALL, res.a0);
|
|
|
+ result = -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ free(data->otp_part);
|
|
|
+ data->otp_part = NULL;
|
|
|
+ pr_debug("%s: result %i\n", __func__, result);
|
|
|
+
|
|
|
+ return result;
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_pmic_write(struct stm32prog_data *data, u32 offset, u8 *buffer,
|
|
|
+ long *size)
|
|
|
+{
|
|
|
+ pr_debug("%s: %x %lx\n", __func__, offset, *size);
|
|
|
+
|
|
|
+ if (!offset)
|
|
|
+ memset(data->pmic_part, 0, PMIC_SIZE);
|
|
|
+
|
|
|
+ if (offset + *size > PMIC_SIZE)
|
|
|
+ *size = PMIC_SIZE - offset;
|
|
|
+
|
|
|
+ memcpy(&data->pmic_part[offset], buffer, *size);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_pmic_read(struct stm32prog_data *data, u32 offset, u8 *buffer,
|
|
|
+ long *size)
|
|
|
+{
|
|
|
+ int result = 0, ret;
|
|
|
+ struct udevice *dev;
|
|
|
+
|
|
|
+ if (!CONFIG_IS_ENABLED(PMIC_STPMIC1)) {
|
|
|
+ stm32prog_err("PMIC update not supported");
|
|
|
+
|
|
|
+ return -EOPNOTSUPP;
|
|
|
+ }
|
|
|
+
|
|
|
+ pr_debug("%s: %x %lx\n", __func__, offset, *size);
|
|
|
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
|
+ DM_GET_DRIVER(stpmic1_nvm),
|
|
|
+ &dev);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ /* alway request PMIC for first packet */
|
|
|
+ if (!offset) {
|
|
|
+ /* init struct with 0 */
|
|
|
+ memset(data->pmic_part, 0, PMIC_SIZE);
|
|
|
+
|
|
|
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
|
+ DM_GET_DRIVER(stpmic1_nvm),
|
|
|
+ &dev);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ ret = misc_read(dev, 0xF8, data->pmic_part, PMIC_SIZE);
|
|
|
+ if (ret < 0) {
|
|
|
+ result = ret;
|
|
|
+ goto end_pmic_read;
|
|
|
+ }
|
|
|
+ if (ret != PMIC_SIZE) {
|
|
|
+ result = -EACCES;
|
|
|
+ goto end_pmic_read;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (offset + *size > PMIC_SIZE)
|
|
|
+ *size = PMIC_SIZE - offset;
|
|
|
+
|
|
|
+ memcpy(buffer, &data->pmic_part[offset], *size);
|
|
|
+
|
|
|
+end_pmic_read:
|
|
|
+ pr_debug("%s: result %i\n", __func__, result);
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_pmic_start(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ struct udevice *dev;
|
|
|
+
|
|
|
+ if (!CONFIG_IS_ENABLED(PMIC_STPMIC1)) {
|
|
|
+ stm32prog_err("PMIC update not supported");
|
|
|
+
|
|
|
+ return -EOPNOTSUPP;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
|
+ DM_GET_DRIVER(stpmic1_nvm),
|
|
|
+ &dev);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ return misc_write(dev, 0xF8, data->pmic_part, PMIC_SIZE);
|
|
|
+}
|
|
|
+
|
|
|
+/* copy FSBL on NAND to improve reliability on NAND */
|
|
|
+static int stm32prog_copy_fsbl(struct stm32prog_part_t *part)
|
|
|
+{
|
|
|
+ int ret, i;
|
|
|
+ void *fsbl;
|
|
|
+ struct image_header_s header;
|
|
|
+ struct raw_header_s raw_header;
|
|
|
+ struct dfu_entity *dfu;
|
|
|
+ long size, offset;
|
|
|
+
|
|
|
+ if (part->target != STM32PROG_NAND &&
|
|
|
+ part->target != STM32PROG_SPI_NAND)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ dfu = dfu_get_entity(part->alt_id);
|
|
|
+
|
|
|
+ /* read header */
|
|
|
+ dfu_transaction_cleanup(dfu);
|
|
|
+ size = BL_HEADER_SIZE;
|
|
|
+ ret = dfu->read_medium(dfu, 0, (void *)&raw_header, &size);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ if (stm32prog_header_check(&raw_header, &header))
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ /* read header + payload */
|
|
|
+ size = header.image_length + BL_HEADER_SIZE;
|
|
|
+ size = round_up(size, part->dev->mtd->erasesize);
|
|
|
+ fsbl = calloc(1, size);
|
|
|
+ if (!fsbl)
|
|
|
+ return -ENOMEM;
|
|
|
+ ret = dfu->read_medium(dfu, 0, fsbl, &size);
|
|
|
+ pr_debug("%s read size=%lx ret=%d\n", __func__, size, ret);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+
|
|
|
+ dfu_transaction_cleanup(dfu);
|
|
|
+ offset = 0;
|
|
|
+ for (i = part->bin_nb - 1; i > 0; i--) {
|
|
|
+ offset += size;
|
|
|
+ /* write to the next erase block */
|
|
|
+ ret = dfu->write_medium(dfu, offset, fsbl, &size);
|
|
|
+ pr_debug("%s copy at ofset=%lx size=%lx ret=%d",
|
|
|
+ __func__, offset, size, ret);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+error:
|
|
|
+ free(fsbl);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void stm32prog_end_phase(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ if (data->phase == PHASE_FLASHLAYOUT) {
|
|
|
+ if (parse_flash_layout(data, STM32_DDR_BASE, 0))
|
|
|
+ stm32prog_err("Layout: invalid FlashLayout");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!data->cur_part)
|
|
|
+ return;
|
|
|
+
|
|
|
+ if (data->cur_part->target == STM32PROG_RAM) {
|
|
|
+ if (data->cur_part->part_type == PART_SYSTEM)
|
|
|
+ data->uimage = data->cur_part->addr;
|
|
|
+ if (data->cur_part->part_type == PART_FILESYSTEM)
|
|
|
+ data->dtb = data->cur_part->addr;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CONFIG_IS_ENABLED(MMC) &&
|
|
|
+ data->cur_part->part_id < 0) {
|
|
|
+ char cmdbuf[60];
|
|
|
+
|
|
|
+ sprintf(cmdbuf, "mmc bootbus %d 0 0 0; mmc partconf %d 1 %d 0",
|
|
|
+ data->cur_part->dev_id, data->cur_part->dev_id,
|
|
|
+ -(data->cur_part->part_id));
|
|
|
+ if (run_command(cmdbuf, 0)) {
|
|
|
+ stm32prog_err("commands '%s' failed", cmdbuf);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CONFIG_IS_ENABLED(MTD) &&
|
|
|
+ data->cur_part->bin_nb > 1) {
|
|
|
+ if (stm32prog_copy_fsbl(data->cur_part)) {
|
|
|
+ stm32prog_err("%s (0x%x): copy of fsbl failed",
|
|
|
+ data->cur_part->name, data->cur_part->id);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void stm32prog_do_reset(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ if (data->phase == PHASE_RESET) {
|
|
|
+ data->phase = PHASE_DO_RESET;
|
|
|
+ puts("Reset requested\n");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void stm32prog_next_phase(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ int phase, i;
|
|
|
+ struct stm32prog_part_t *part;
|
|
|
+ bool found;
|
|
|
+
|
|
|
+ phase = data->phase;
|
|
|
+ switch (phase) {
|
|
|
+ case PHASE_RESET:
|
|
|
+ case PHASE_END:
|
|
|
+ case PHASE_DO_RESET:
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* found next selected partition */
|
|
|
+ data->dfu_seq = 0;
|
|
|
+ data->cur_part = NULL;
|
|
|
+ data->phase = PHASE_END;
|
|
|
+ found = false;
|
|
|
+ do {
|
|
|
+ phase++;
|
|
|
+ if (phase > PHASE_LAST_USER)
|
|
|
+ break;
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ part = &data->part_array[i];
|
|
|
+ if (part->id == phase) {
|
|
|
+ if (IS_SELECT(part) && !IS_EMPTY(part)) {
|
|
|
+ data->cur_part = part;
|
|
|
+ data->phase = phase;
|
|
|
+ found = true;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } while (!found);
|
|
|
+
|
|
|
+ if (data->phase == PHASE_END)
|
|
|
+ puts("Phase=END\n");
|
|
|
+}
|
|
|
+
|
|
|
+static int part_delete(struct stm32prog_data *data,
|
|
|
+ struct stm32prog_part_t *part)
|
|
|
+{
|
|
|
+ int ret = 0;
|
|
|
+#ifdef CONFIG_MMC
|
|
|
+ unsigned long blks, blks_offset, blks_size;
|
|
|
+ struct blk_desc *block_dev = NULL;
|
|
|
+ #endif
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ char cmdbuf[40];
|
|
|
+ char devstr[10];
|
|
|
+#endif
|
|
|
+
|
|
|
+ printf("Erasing %s ", part->name);
|
|
|
+ switch (part->target) {
|
|
|
+#ifdef CONFIG_MMC
|
|
|
+ case STM32PROG_MMC:
|
|
|
+ printf("on mmc %d: ", part->dev->dev_id);
|
|
|
+ block_dev = mmc_get_blk_desc(part->dev->mmc);
|
|
|
+ blks_offset = lldiv(part->addr, part->dev->mmc->read_bl_len);
|
|
|
+ blks_size = lldiv(part->size, part->dev->mmc->read_bl_len);
|
|
|
+ /* -1 or -2 : delete boot partition of MMC
|
|
|
+ * need to switch to associated hwpart 1 or 2
|
|
|
+ */
|
|
|
+ if (part->part_id < 0)
|
|
|
+ if (blk_select_hwpart_devnum(IF_TYPE_MMC,
|
|
|
+ part->dev->dev_id,
|
|
|
+ -part->part_id))
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ blks = blk_derase(block_dev, blks_offset, blks_size);
|
|
|
+
|
|
|
+ /* return to user partition */
|
|
|
+ if (part->part_id < 0)
|
|
|
+ blk_select_hwpart_devnum(IF_TYPE_MMC,
|
|
|
+ part->dev->dev_id, 0);
|
|
|
+ if (blks != blks_size) {
|
|
|
+ ret = -1;
|
|
|
+ stm32prog_err("%s (0x%x): MMC erase failed",
|
|
|
+ part->name, part->id);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_MTD
|
|
|
+ case STM32PROG_NOR:
|
|
|
+ case STM32PROG_NAND:
|
|
|
+ case STM32PROG_SPI_NAND:
|
|
|
+ get_mtd_by_target(devstr, part->target, part->dev->dev_id);
|
|
|
+ printf("on %s: ", devstr);
|
|
|
+ sprintf(cmdbuf, "mtd erase %s 0x%llx 0x%llx",
|
|
|
+ devstr, part->addr, part->size);
|
|
|
+ if (run_command(cmdbuf, 0)) {
|
|
|
+ ret = -1;
|
|
|
+ stm32prog_err("%s (0x%x): MTD erase commands failed (%s)",
|
|
|
+ part->name, part->id, cmdbuf);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+#endif
|
|
|
+ case STM32PROG_RAM:
|
|
|
+ printf("on ram: ");
|
|
|
+ memset((void *)(uintptr_t)part->addr, 0, (size_t)part->size);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ ret = -1;
|
|
|
+ stm32prog_err("%s (0x%x): erase invalid", part->name, part->id);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (!ret)
|
|
|
+ printf("done\n");
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void stm32prog_devices_init(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ int ret;
|
|
|
+ struct stm32prog_part_t *part;
|
|
|
+
|
|
|
+ ret = treat_partition_list(data);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+
|
|
|
+ /* initialize the selected device */
|
|
|
+ for (i = 0; i < data->dev_nb; i++) {
|
|
|
+ ret = init_device(data, &data->dev[i]);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* delete RAW partition before create partition */
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ part = &data->part_array[i];
|
|
|
+
|
|
|
+ if (part->part_type != RAW_IMAGE)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (!IS_SELECT(part) || !IS_DELETE(part))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ ret = part_delete(data, part);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = create_partitions(data);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+
|
|
|
+ /* delete partition GPT or MTD */
|
|
|
+ for (i = 0; i < data->part_nb; i++) {
|
|
|
+ part = &data->part_array[i];
|
|
|
+
|
|
|
+ if (part->part_type == RAW_IMAGE)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (!IS_SELECT(part) || !IS_DELETE(part))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ ret = part_delete(data, part);
|
|
|
+ if (ret)
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+
|
|
|
+error:
|
|
|
+ data->part_nb = 0;
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_dfu_init(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ /* init device if no error */
|
|
|
+ if (data->part_nb)
|
|
|
+ stm32prog_devices_init(data);
|
|
|
+
|
|
|
+ if (data->part_nb)
|
|
|
+ stm32prog_next_phase(data);
|
|
|
+
|
|
|
+ /* prepare DFU for device read/write */
|
|
|
+ dfu_free_entities();
|
|
|
+ return dfu_init_entities(data);
|
|
|
+}
|
|
|
+
|
|
|
+int stm32prog_init(struct stm32prog_data *data, ulong addr, ulong size)
|
|
|
+{
|
|
|
+ memset(data, 0x0, sizeof(*data));
|
|
|
+ data->read_phase = PHASE_RESET;
|
|
|
+ data->phase = PHASE_FLASHLAYOUT;
|
|
|
+
|
|
|
+ return parse_flash_layout(data, addr, size);
|
|
|
+}
|
|
|
+
|
|
|
+void stm32prog_clean(struct stm32prog_data *data)
|
|
|
+{
|
|
|
+ /* clean */
|
|
|
+ dfu_free_entities();
|
|
|
+ free(data->part_array);
|
|
|
+ free(data->otp_part);
|
|
|
+ free(data->buffer);
|
|
|
+ free(data->header_data);
|
|
|
+}
|
|
|
+
|
|
|
+/* DFU callback: used after serial and direct DFU USB access */
|
|
|
+void dfu_flush_callback(struct dfu_entity *dfu)
|
|
|
+{
|
|
|
+ if (!stm32prog_data)
|
|
|
+ return;
|
|
|
+
|
|
|
+ if (dfu->dev_type == DFU_DEV_VIRT) {
|
|
|
+ if (dfu->data.virt.dev_num == PHASE_OTP)
|
|
|
+ stm32prog_otp_start(stm32prog_data);
|
|
|
+ else if (dfu->data.virt.dev_num == PHASE_PMIC)
|
|
|
+ stm32prog_pmic_start(stm32prog_data);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dfu->dev_type == DFU_DEV_RAM) {
|
|
|
+ if (dfu->alt == 0 &&
|
|
|
+ stm32prog_data->phase == PHASE_FLASHLAYOUT) {
|
|
|
+ stm32prog_end_phase(stm32prog_data);
|
|
|
+ /* waiting DFU DETACH for reenumeration */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!stm32prog_data->cur_part)
|
|
|
+ return;
|
|
|
+
|
|
|
+ if (dfu->alt == stm32prog_data->cur_part->alt_id) {
|
|
|
+ stm32prog_end_phase(stm32prog_data);
|
|
|
+ stm32prog_next_phase(stm32prog_data);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void dfu_initiated_callback(struct dfu_entity *dfu)
|
|
|
+{
|
|
|
+ if (!stm32prog_data)
|
|
|
+ return;
|
|
|
+
|
|
|
+ if (!stm32prog_data->cur_part)
|
|
|
+ return;
|
|
|
+
|
|
|
+ /* force the saved offset for the current partition */
|
|
|
+ if (dfu->alt == stm32prog_data->cur_part->alt_id) {
|
|
|
+ dfu->offset = stm32prog_data->offset;
|
|
|
+ stm32prog_data->dfu_seq = 0;
|
|
|
+ pr_debug("dfu offset = 0x%llx\n", dfu->offset);
|
|
|
+ }
|
|
|
+}
|