openwrt/tools/mkimage/patches/080-mtk_image-add-support-for-booting-ARM64-images.patch
Daniel Golle ce19e8fa43
tools: mkimage: add patches for 64-bit MediaTek BootROM
Add patches for mkimage to allow using it instead of the binary-only
'bromimage' tool to generate bl2 for MT7622.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2021-03-11 16:24:20 +00:00

135 lines
4.2 KiB
Diff

From 44165e4c676d266f73fda2e6ba82b4bf3262daf2 Mon Sep 17 00:00:00 2001
From: Fabien Parent <fparent@baylibre.com>
Date: Fri, 16 Oct 2020 19:52:37 +0200
Subject: [PATCH] tools: mtk_image: add support for booting ARM64 images
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>
---
tools/mtk_image.c | 28 ++++++++++++++++++++++++----
tools/mtk_image.h | 6 +++++-
2 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/tools/mtk_image.c b/tools/mtk_image.c
index 2ca519483d..bde1e5da4b 100644
--- a/tools/mtk_image.c
+++ b/tools/mtk_image.c
@@ -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),
diff --git a/tools/mtk_image.h b/tools/mtk_image.h
index 4e78b3d0ff..7dda71ce88 100644
--- a/tools/mtk_image.h
+++ b/tools/mtk_image.h
@@ -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;
--
2.30.1