From patchwork Mon Jan 27 16:19:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Johnson X-Patchwork-Id: 240314 List-Id: U-Boot discussion From: mrjoel at lixil.net (Joel Johnson) Date: Mon, 27 Jan 2020 09:19:46 -0700 Subject: [PATCH 1/4] cmd: mvebu: bubt: add A38x support Message-ID: <20200127161949.15501-1-mrjoel@lixil.net> Add support for Armada 38x devices in bubt flashing utility. This is based on (and streamlined from) the support in the SolidRun master-a38x vendor fork branch. Signed-off-by: Joel Johnson --- cmd/mvebu/bubt.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 68 insertions(+), 1 deletion(-) diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c index 2041a7a29a..d399fb6da4 100644 --- a/cmd/mvebu/bubt.c +++ b/cmd/mvebu/bubt.c @@ -85,7 +85,29 @@ struct mvebu_image_info { u32 encrypt_start_offset; u32 encrypt_size; }; -#endif /* CONFIG_ARMADA_XXX */ +#elif defined(CONFIG_ARMADA_38X) /* A38X */ + +/* 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 */ +}; +#endif struct bubt_dev { char name[8]; @@ -621,7 +643,52 @@ static int check_image_header(void) 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) { From patchwork Mon Jan 27 16:19:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Johnson X-Patchwork-Id: 240313 List-Id: U-Boot discussion From: mrjoel at lixil.net (Joel Johnson) Date: Mon, 27 Jan 2020 09:19:47 -0700 Subject: [PATCH 2/4] cmd: mvebu: bubt: correct U-Boot spelling In-Reply-To: <20200127161949.15501-1-mrjoel@lixil.net> References: <20200127161949.15501-1-mrjoel@lixil.net> Message-ID: <20200127161949.15501-2-mrjoel@lixil.net> Replace "U-BOOT" text with correct spelling Signed-off-by: Joel Johnson --- cmd/mvebu/bubt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c index d399fb6da4..b80b81c82a 100644 --- a/cmd/mvebu/bubt.c +++ b/cmd/mvebu/bubt.c @@ -346,7 +346,7 @@ static int nand_burn_image(size_t image_size) /* 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) { @@ -734,7 +734,7 @@ static int bubt_read_file(struct bubt_dev *src) 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; } @@ -822,7 +822,7 @@ int do_bubt_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 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); From patchwork Mon Jan 27 16:19:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Johnson X-Patchwork-Id: 240315 List-Id: U-Boot discussion From: mrjoel at lixil.net (Joel Johnson) Date: Mon, 27 Jan 2020 09:19:48 -0700 Subject: [PATCH 3/4] cmd: mvebu: bubt: verify A38x target device type In-Reply-To: <20200127161949.15501-1-mrjoel@lixil.net> References: <20200127161949.15501-1-mrjoel@lixil.net> Message-ID: <20200127161949.15501-3-mrjoel@lixil.net> Ensure that the device to which an image is being written includes header information indicating boot support for the destination device. This is derived from the support in the SolidRun master-a38x vendor fork branch. Signed-off-by: Joel Johnson --- cmd/mvebu/bubt.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 47 insertions(+), 2 deletions(-) diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c index b80b81c82a..78061a6a2d 100644 --- a/cmd/mvebu/bubt.c +++ b/cmd/mvebu/bubt.c @@ -107,6 +107,26 @@ struct a38x_main_hdr_v1 { u8 ext; /* 0x1E */ u8 checksum; /* 0x1F */ }; + +#define A38X_BOOT_MODE_MAX 8 + +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[A38X_BOOT_MODE_MAX] = { + { 0x4D, "i2c" }, + { 0x5A, "spi" }, + { 0x69, "uart" }, + { 0x78, "sata" }, + { 0x8B, "nand" }, + { 0x9C, "pex" }, + { 0xAE, "mmc" }, + {}, +}; + #endif struct bubt_dev { @@ -644,6 +664,23 @@ static int check_image_header(void) return 0; } #elif defined(CONFIG_ARMADA_38X) +static int a38x_check_boot_mode(const struct bubt_dev *dst) +{ + int mode; + const struct a38x_main_hdr_v1 *hdr = + (struct a38x_main_hdr_v1 *)get_load_addr(); + + for (mode = 0; mode < A38X_BOOT_MODE_MAX; mode++) { + if (strcmp(a38x_boot_modes[mode].name, dst->name) == 0) + break; + } + + if (a38x_boot_modes[mode].id == hdr->blockid) + return 0; + + return -ENOEXEC; +} + static size_t a38x_header_size(const struct a38x_main_hdr_v1 *h) { if (h->version == 1) @@ -697,7 +734,7 @@ static int check_image_header(void) } #endif -static int bubt_verify(size_t image_size) +static int bubt_verify(const struct bubt_dev *dst) { int err; @@ -708,6 +745,14 @@ static int bubt_verify(size_t image_size) return err; } +#if defined(CONFIG_ARMADA_38X) + err = a38x_check_boot_mode(dst); + if (err) { + puts("Error: image not built for destination device!\n"); + return err; + } +#endif + return 0; } @@ -829,7 +874,7 @@ int do_bubt_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (!image_size) return -EIO; - err = bubt_verify(image_size); + err = bubt_verify(dst); if (err) return err; From patchwork Mon Jan 27 16:19:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Johnson X-Patchwork-Id: 240312 List-Id: U-Boot discussion From: mrjoel at lixil.net (Joel Johnson) Date: Mon, 27 Jan 2020 09:19:49 -0700 Subject: [PATCH 4/4] arm: mvebu: clearfog: enable bubt command In-Reply-To: <20200127161949.15501-1-mrjoel@lixil.net> References: <20200127161949.15501-1-mrjoel@lixil.net> Message-ID: <20200127161949.15501-4-mrjoel@lixil.net> With support added for Armada 38x, include the bubt command in ClearFog defconfig. Signed-off-by: Joel Johnson --- configs/clearfog_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/configs/clearfog_defconfig b/configs/clearfog_defconfig index c938448c30..0d7e19e731 100644 --- a/configs/clearfog_defconfig +++ b/configs/clearfog_defconfig @@ -35,6 +35,7 @@ CONFIG_SPL_CMD_TLV_EEPROM=y CONFIG_CMD_GPIO=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_MVEBU_BUBT=y CONFIG_CMD_PCI=y CONFIG_CMD_SPI=y CONFIG_CMD_USB=y