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MIPS: BCM63xx: improve CFE version detection

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There are some CFE variants that start with 'cfe-vd' instead of 'cfe-v', such
as the one used in the Huawei HG556a: "cfe-vd081.5003". In this case, the CFE
version is stored as is (string vs number bytes).

Some newer devices have an additional version number, such as the Comtrend
VR-3032u: "1.0.38-112.118-11".

Finally, print the string as is if the version doesn't start with "cfe-v" or
"cfe-vd", but starts with "cfe-".

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Álvaro Fernández Rojas 2020-06-08 11:28:35 +02:00 committed by Thomas Bogendoerfer
parent 0d10d17bac
commit e27e1cc9d3
1 changed files with 18 additions and 4 deletions
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22
arch/mips/bcm63xx/boards/board_bcm963xx.c
View File

@ -760,11 +760,25 @@ void __init board_prom_init(void)
/* dump cfe version */
cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
if (!memcmp(cfe, "cfe-v", 5))
snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
else
if (strstarts(cfe, "cfe-")) {
if(cfe[4] == 'v') {
if(cfe[5] == 'd')
snprintf(cfe_version, 11, "%s",
(char *) &cfe[5]);
else if (cfe[10] > 0)
snprintf(cfe_version, sizeof(cfe_version),
"%u.%u.%u-%u.%u-%u", cfe[5], cfe[6],
cfe[7], cfe[8], cfe[9], cfe[10]);
else
snprintf(cfe_version, sizeof(cfe_version),
"%u.%u.%u-%u.%u", cfe[5], cfe[6],
cfe[7], cfe[8], cfe[9]);
} else {
snprintf(cfe_version, 12, "%s", (char *) &cfe[4]);
}
} else {
strcpy(cfe_version, "unknown");
}
pr_info("CFE version: %s\n", cfe_version);
bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET);