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cmd: mvebu: bubt: add A38x support

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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.

Signed-off-by: Joel Johnson <mrjoel@lixil.net>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Joel Johnson 2020-04-17 09:38:04 -06:00 committed by Stefan Roese
parent ab2f757eb0
commit 8ec6db7813
1 changed files with 68 additions and 1 deletions
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69
cmd/mvebu/bubt.c
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@ -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)
{