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>
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@ -1 +1,2 @@
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obj-$(CONFIG_HABV4) += habv4.o
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obj-$(CONFIG_HABV3) += habv3.o
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@ -0,0 +1,78 @@
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#define pr_fmt(fmt) "HABv3: " fmt
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#include <common.h>
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#include <hab.h>
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#include <io.h>
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struct hab_status {
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u8 value;
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const char *str;
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};
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static struct hab_status hab_status[] = {
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{ 0x8d, "data specified is out of bounds" },
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{ 0x55, "error during assert verification" },
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{ 0x36, "hash verification failed" },
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{ 0x33, "certificate parsing failed or the certificate contained an unsupported key" },
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{ 0x35, "signature verification failed" },
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{ 0x4B, "CSF command sequence contains unsupported command identifier" },
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{ 0x4e, "absence of expected CSF header" },
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{ 0x4d, "CSF length is unsupported" },
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{ 0x2e, "CSF TYPE does not match processor TYPE" },
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{ 0x2d, "CSF UID does not match either processor UID or generic UID" },
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{ 0x3a, "CSF customer/product code does not match processor customer/product code" },
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{ 0x87, "key indexis either unsupported, or an attempt is made to overwrite the SRK from a CSF command" },
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{ 0x17, "SCC unexpectedly not in secure state" },
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{ 0x1e, "secureRAM secret key invalid" },
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{ 0x1d, "secureRAM initialization failure" },
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{ 0x1b, "secureRAM self test failure" },
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{ 0x2b, "secureRAM internal failure" },
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{ 0x27, "secureRAM secrect key unexpectedly in use" },
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{ 0x8b, "an attempt is made to read a key from the list of subordinate public keys at a location "
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"where no key is installed" },
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{ 0x8e, "algorithm type is either invalid or ortherwise unsupported" },
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{ 0x66, "write operation to register failed" },
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{ 0x63, "DCD invalid" },
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{ 0x6f, "RAM application pointer is NULL or ERASED_FLASH" },
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{ 0x69, "CSF missing when HAB TYPE is not HAB-disabled" },
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{ 0x6a, "NANDFC boot buffer load failed" },
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{ 0x6c, "Exception has occured" },
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{ 0x67, "INT_BOOT fuse is blown but BOOT pins are set for external boot" },
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{ 0x88, "Successful download completion" },
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};
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int imx_habv3_get_status(uint32_t status)
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{
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int i;
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if (status == 0xf0) {
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pr_info("status OK\n");
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return 0;
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}
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for (i = 0; i < ARRAY_SIZE(hab_status); i++) {
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if (hab_status[i].value == status) {
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pr_err("status: 0x%02x: %s\n", status, hab_status[i].str);
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return -EPERM;
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}
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}
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pr_err("unknown status code 0x%02x\n", status);
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return -EPERM;
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}
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int imx25_hab_get_status(void)
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{
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return imx_habv3_get_status(readl(IOMEM(0x780018d4)));
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}
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@ -27,4 +27,13 @@ static inline int habv4_get_status(void)
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}
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#endif
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#ifdef CONFIG_HABV3
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int imx25_hab_get_status(void);
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#else
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static inline int imx25_hab_get_status(void)
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{
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return -EPERM;
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}
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#endif
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#endif /* __HABV4_H */
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