diff options
Diffstat (limited to 'src/drivers/vpd/vpd.h')
| -rw-r--r-- | src/drivers/vpd/vpd.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/drivers/vpd/vpd.h b/src/drivers/vpd/vpd.h index 6009b8bc0d..14b002c8f6 100644 --- a/src/drivers/vpd/vpd.h +++ b/src/drivers/vpd/vpd.h @@ -7,11 +7,37 @@ #ifndef __VPD_H__ #define __VPD_H__ +#define GOOGLE_VPD_2_0_OFFSET 0x600 + enum vpd_region { VPD_ANY = 0, VPD_RO = 1, VPD_RW = 2 }; + +/* VPD 2.0 data blob structure */ +struct vpd_blob { + bool initialized; + uint8_t *ro_base; + uint32_t ro_size; + uint8_t *rw_base; + uint32_t rw_size; +}; +extern struct vpd_blob g_vpd_blob; + +/* + * This function loads g_vpd_blob CAR_GLOBAL variable. + * The variable is initialized if it was not. + */ +const struct vpd_blob *vpd_load_blob(void); + +/* + * This function gets the base address and size of + * buffers for RO_VPD/RW_VPD binary blobs, and sets + * the struct. + */ +void vpd_get_buffers(struct vpd_blob *blob); + /* * Reads VPD string value by key. * @@ -39,4 +65,13 @@ char *vpd_gets(const char *key, char *buffer, int size, enum vpd_region region); const void *vpd_find(const char *key, int *size, enum vpd_region region); +/* + * Find value of boolean type vpd key. + * + * During the process, necessary checking is done, such as making + * sure the value length is 1, and value is either '1' or '0'. + */ +bool vpd_get_bool(const char *key, enum vpd_region region, + uint8_t *val); + #endif /* __VPD_H__ */ |