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tools: mtk_image: add support for booting ARM64 images

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mkimage is only able to package aarch32 binaries. Add support for
AArch64 images.

One can create a ARM64 image using the following command line:
mkimage -T mtk_image -a 0x201000 -e 0x201000 -n "media=emmc;arm64=1"
-d bl2.bin bl2.img

Signed-off-by: Fabien Parent <fparent@baylibre.com>
This commit is contained in:
Fabien Parent 2020-10-16 19:52:37 +02:00 • committed by Tom Rini
parent 9f6322bd6b
commit 44165e4c67
2 changed files with 29 additions and 5 deletions
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28
tools/mtk_image.c
View file

@ -246,6 +246,7 @@ static const struct brom_img_type {
/* Image type selected by user */
static enum brlyt_img_type hdr_media;
static int use_lk_hdr;
static bool is_arm64_image;
/* LK image name */
static char lk_name[32] = "U-Boot";
@ -276,6 +277,7 @@ static int mtk_brom_parse_imagename(const char *imagename)
static const char *media = "";
static const char *nandinfo = "";
static const char *lk = "";
static const char *arm64_param = "";
key = buf;
while (key) {
@ -323,6 +325,9 @@ static int mtk_brom_parse_imagename(const char *imagename)
if (!strcmp(key, "lkname"))
snprintf(lk_name, sizeof(lk_name), "%s", val);
if (!strcmp(key, "arm64"))
arm64_param = val;
}
if (next)
@ -354,6 +359,9 @@ static int mtk_brom_parse_imagename(const char *imagename)
}
}
if (arm64_param && arm64_param[0] == '1')
is_arm64_image = true;
free(buf);
if (hdr_media == BRLYT_TYPE_INVALID) {
@ -458,6 +466,9 @@ static int mtk_image_verify_gen_header(const uint8_t *ptr, int print)
le32_to_cpu(gfh->file_info.load_addr) +
le32_to_cpu(gfh->file_info.jump_offset));
if (print)
printf("Architecture: %s\n", is_arm64_image ? "ARM64" : "ARM");
return 0;
}
@ -523,6 +534,9 @@ static int mtk_image_verify_nand_header(const uint8_t *ptr, int print)
le32_to_cpu(gfh->file_info.load_addr) +
le32_to_cpu(gfh->file_info.jump_offset));
if (print)
printf("Architecture: %s\n", is_arm64_image ? "ARM64" : "ARM");
return 0;
}
@ -581,6 +595,8 @@ static void put_ghf_common_header(struct gfh_common_header *gfh, int size,
static void put_ghf_header(struct gfh_header *gfh, int file_size,
int dev_hdr_size, int load_addr, int flash_type)
{
uint32_t cfg_bits;
memset(gfh, 0, sizeof(struct gfh_header));
/* GFH_FILE_INFO header */
@ -608,11 +624,15 @@ static void put_ghf_header(struct gfh_header *gfh, int file_size,
/* GFH_BROM_CFG header */
put_ghf_common_header(&gfh->brom_cfg.gfh, sizeof(gfh->brom_cfg),
GFH_TYPE_BROM_CFG, 3);
gfh->brom_cfg.cfg_bits = cpu_to_le32(
GFH_BROM_CFG_USBDL_AUTO_DETECT_DIS |
GFH_BROM_CFG_USBDL_BY_KCOL0_TIMEOUT_EN |
GFH_BROM_CFG_USBDL_BY_FLAG_TIMEOUT_EN);
cfg_bits = GFH_BROM_CFG_USBDL_AUTO_DETECT_DIS |
GFH_BROM_CFG_USBDL_BY_KCOL0_TIMEOUT_EN |
GFH_BROM_CFG_USBDL_BY_FLAG_TIMEOUT_EN;
gfh->brom_cfg.usbdl_by_kcol0_timeout_ms = cpu_to_le32(5000);
if (is_arm64_image) {
gfh->brom_cfg.jump_bl_arm64 = GFH_BROM_CFG_JUMP_BL_ARM64;
cfg_bits |= GFH_BROM_CFG_JUMP_BL_ARM64_EN;
}
gfh->brom_cfg.cfg_bits = cpu_to_le32(cfg_bits);
/* GFH_BL_SEC_KEY header */
put_ghf_common_header(&gfh->bl_sec_key.gfh, sizeof(gfh->bl_sec_key),

6
tools/mtk_image.h
View file

@ -136,7 +136,9 @@ struct gfh_brom_cfg {
struct gfh_common_header gfh;
uint32_t cfg_bits;
uint32_t usbdl_by_auto_detect_timeout_ms;
uint8_t unused[0x48];
uint8_t unused[0x45];
uint8_t jump_bl_arm64;
uint8_t unused2[2];
uint32_t usbdl_by_kcol0_timeout_ms;
uint32_t usbdl_by_flag_timeout_ms;
uint32_t pad;
@ -146,6 +148,8 @@ struct gfh_brom_cfg {
#define GFH_BROM_CFG_USBDL_AUTO_DETECT_DIS 0x10
#define GFH_BROM_CFG_USBDL_BY_KCOL0_TIMEOUT_EN 0x80
#define GFH_BROM_CFG_USBDL_BY_FLAG_TIMEOUT_EN 0x100
#define GFH_BROM_CFG_JUMP_BL_ARM64_EN 0x1000
#define GFH_BROM_CFG_JUMP_BL_ARM64 0x64
struct gfh_bl_sec_key {
struct gfh_common_header gfh;