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author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-01-25 19:52:12 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-02 15:41:04 +0100 |
commit | 8aabf498e15b1bc0c5095e9a983f15ffa53436b8 (patch) | |
tree | 3c22b811c648df28b514a77d55619db9df59666f /drivers/hab/habv3.c | |
parent | 2ff23512d999a13afaa6f96b199b375a76cd1941 (diff) | |
download | barebox-8aabf498e15b1bc0c5095e9a983f15ffa53436b8.tar.gz barebox-8aabf498e15b1bc0c5095e9a983f15ffa53436b8.tar.xz |
hab: Add HABv3 status report function
Status reporting for HABv3 is different from HABv4. Add a status
report function for HABv3.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/hab/habv3.c')
-rw-r--r-- | drivers/hab/habv3.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/hab/habv3.c b/drivers/hab/habv3.c new file mode 100644 index 0000000000..70f31a3c4d --- /dev/null +++ b/drivers/hab/habv3.c @@ -0,0 +1,78 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#define pr_fmt(fmt) "HABv3: " fmt + +#include <common.h> +#include <hab.h> +#include <io.h> + +struct hab_status { + u8 value; + const char *str; +}; + +static struct hab_status hab_status[] = { + { 0x8d, "data specified is out of bounds" }, + { 0x55, "error during assert verification" }, + { 0x36, "hash verification failed" }, + { 0x33, "certificate parsing failed or the certificate contained an unsupported key" }, + { 0x35, "signature verification failed" }, + { 0x4B, "CSF command sequence contains unsupported command identifier" }, + { 0x4e, "absence of expected CSF header" }, + { 0x4d, "CSF length is unsupported" }, + { 0x2e, "CSF TYPE does not match processor TYPE" }, + { 0x2d, "CSF UID does not match either processor UID or generic UID" }, + { 0x3a, "CSF customer/product code does not match processor customer/product code" }, + { 0x87, "key indexis either unsupported, or an attempt is made to overwrite the SRK from a CSF command" }, + { 0x17, "SCC unexpectedly not in secure state" }, + { 0x1e, "secureRAM secret key invalid" }, + { 0x1d, "secureRAM initialization failure" }, + { 0x1b, "secureRAM self test failure" }, + { 0x2b, "secureRAM internal failure" }, + { 0x27, "secureRAM secrect key unexpectedly in use" }, + { 0x8b, "an attempt is made to read a key from the list of subordinate public keys at a location " + "where no key is installed" }, + { 0x8e, "algorithm type is either invalid or ortherwise unsupported" }, + { 0x66, "write operation to register failed" }, + { 0x63, "DCD invalid" }, + { 0x6f, "RAM application pointer is NULL or ERASED_FLASH" }, + { 0x69, "CSF missing when HAB TYPE is not HAB-disabled" }, + { 0x6a, "NANDFC boot buffer load failed" }, + { 0x6c, "Exception has occured" }, + { 0x67, "INT_BOOT fuse is blown but BOOT pins are set for external boot" }, + { 0x88, "Successful download completion" }, +}; + +int imx_habv3_get_status(uint32_t status) +{ + int i; + + if (status == 0xf0) { + pr_info("status OK\n"); + return 0; + } + + for (i = 0; i < ARRAY_SIZE(hab_status); i++) { + if (hab_status[i].value == status) { + pr_err("status: 0x%02x: %s\n", status, hab_status[i].str); + return -EPERM; + } + } + + pr_err("unknown status code 0x%02x\n", status); + + return -EPERM; +} + +int imx25_hab_get_status(void) +{ + return imx_habv3_get_status(readl(IOMEM(0x780018d4))); +}
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