+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016 Marvell International Ltd.
- *
- * SPDX-License-Identifier: GPL-2.0
* https://spdx.org/licenses
*/
#include <config.h>
#include <common.h>
#include <command.h>
+#include <env.h>
+#include <flash.h>
+#include <image.h>
+#include <net.h>
#include <vsprintf.h>
#include <errno.h>
#include <dm.h>
u32 encrypt_start_offset;
u32 encrypt_size;
};
-#endif /* CONFIG_ARMADA_XXX */
+#endif
+
+/* Structure of the main header, version 1 (Armada 370/38x/XP) */
+struct a38x_main_hdr_v1 {
+ u8 blockid; /* 0x0 */
+ u8 flags; /* 0x1 */
+ u16 reserved2; /* 0x2-0x3 */
+ u32 blocksize; /* 0x4-0x7 */
+ u8 version; /* 0x8 */
+ u8 headersz_msb; /* 0x9 */
+ u16 headersz_lsb; /* 0xA-0xB */
+ u32 srcaddr; /* 0xC-0xF */
+ u32 destaddr; /* 0x10-0x13 */
+ u32 execaddr; /* 0x14-0x17 */
+ u8 options; /* 0x18 */
+ u8 nandblocksize; /* 0x19 */
+ u8 nandbadblklocation; /* 0x1A */
+ u8 reserved4; /* 0x1B */
+ u16 reserved5; /* 0x1C-0x1D */
+ u8 ext; /* 0x1E */
+ u8 checksum; /* 0x1F */
+};
+
+struct a38x_boot_mode {
+ unsigned int id;
+ const char *name;
+};
+
+/* The blockid header field values used to indicate boot device of image */
+struct a38x_boot_mode a38x_boot_modes[] = {
+ { 0x4D, "i2c" },
+ { 0x5A, "spi" },
+ { 0x69, "uart" },
+ { 0x78, "sata" },
+ { 0x8B, "nand" },
+ { 0x9C, "pex" },
+ { 0xAE, "mmc" },
+ {},
+};
struct bubt_dev {
char name[8];
/* Align U-Boot size to currently used blocksize */
image_size = ((image_size + (block_size - 1)) & (~(block_size - 1)));
- /* Erase the U-BOOT image space */
+ /* Erase the U-Boot image space */
printf("Erasing 0x%x - 0x%x:...", 0, (int)image_size);
ret = nand_erase(mtd, 0, image_size);
if (ret) {
#ifdef CONFIG_CMD_NET
static size_t tftp_read_file(const char *file_name)
{
- /* update global variable load_addr before tftp file from network */
- load_addr = get_load_addr();
+ /*
+ * update global variable image_load_addr before tftp file from network
+ */
+ image_load_addr = get_load_addr();
return net_loop(TFTPGET);
}
return 0;
}
+#elif defined(CONFIG_ARMADA_38X)
+static size_t a38x_header_size(const struct a38x_main_hdr_v1 *h)
+{
+ if (h->version == 1)
+ return (h->headersz_msb << 16) | le16_to_cpu(h->headersz_lsb);
+
+ printf("Error: Invalid A38x image (header version 0x%x unknown)!\n",
+ h->version);
+ return 0;
+}
+
+static uint8_t image_checksum8(const void *start, size_t len)
+{
+ u8 csum = 0;
+ const u8 *p = start;
+
+ while (len) {
+ csum += *p;
+ ++p;
+ --len;
+ }
+
+ return csum;
+}
+
+static int check_image_header(void)
+{
+ u8 checksum;
+ const struct a38x_main_hdr_v1 *hdr =
+ (struct a38x_main_hdr_v1 *)get_load_addr();
+ const size_t image_size = a38x_header_size(hdr);
+
+ if (!image_size)
+ return -ENOEXEC;
+
+ checksum = image_checksum8(hdr, image_size);
+ checksum -= hdr->checksum;
+ if (checksum != hdr->checksum) {
+ printf("Error: Bad A38x image checksum. 0x%x != 0x%x\n",
+ checksum, hdr->checksum);
+ return -ENOEXEC;
+ }
+ printf("Image checksum...OK!\n");
+ return 0;
+}
#else /* Not ARMADA? */
static int check_image_header(void)
{
}
#endif
-static int bubt_verify(size_t image_size)
+static int bubt_check_boot_mode(const struct bubt_dev *dst)
+{
+ if (IS_ENABLED(CONFIG_ARMADA_38X)) {
+ int mode;
+ const struct a38x_main_hdr_v1 *hdr =
+ (struct a38x_main_hdr_v1 *)get_load_addr();
+
+ for (mode = 0; mode < ARRAY_SIZE(a38x_boot_modes); mode++) {
+ if (strcmp(a38x_boot_modes[mode].name, dst->name) == 0)
+ break;
+ }
+
+ if (a38x_boot_modes[mode].id == hdr->blockid)
+ return 0;
+
+ for (int i = 0; i < ARRAY_SIZE(a38x_boot_modes); i++) {
+ if (a38x_boot_modes[i].id == hdr->blockid) {
+ printf("Error: A38x image meant to be booted from "
+ "\"%s\", not \"%s\"!\n",
+ a38x_boot_modes[i].name, dst->name);
+ return -ENOEXEC;
+ }
+ }
+
+ printf("Error: unknown boot device in A38x image header: "
+ "0x%x\n", hdr->blockid);
+ return -ENOEXEC;
+ } else {
+ return 0;
+ }
+}
+
+static int bubt_verify(const struct bubt_dev *dst)
{
int err;
return err;
}
+ err = bubt_check_boot_mode(dst);
+ if (err) {
+ printf("Error: Image boot mode verification failed\n");
+ return err;
+ }
+
return 0;
}
static int bubt_is_dev_active(struct bubt_dev *dev)
{
if (!dev->active) {
- printf("Device \"%s\" not supported by U-BOOT image\n",
+ printf("Device \"%s\" not supported by U-Boot image\n",
dev->name);
return 0;
}
#endif
#endif /* DEFAULT_BUBT_DST */
-int do_bubt_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_bubt_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct bubt_dev *src, *dst;
size_t image_size;
if (!bubt_is_dev_active(src))
return -ENODEV;
- printf("Burning U-BOOT image \"%s\" from \"%s\" to \"%s\"\n",
+ printf("Burning U-Boot image \"%s\" from \"%s\" to \"%s\"\n",
net_boot_file_name, src->name, dst->name);
image_size = bubt_read_file(src);
if (!image_size)
return -EIO;
- err = bubt_verify(image_size);
+ err = bubt_verify(dst);
if (err)
return err;
projects / oweals / u-boot.git / blobdiff