diff options
Diffstat (limited to 'drivers/char/hw_random/starfive-vic-rng.h')
| -rw-r--r-- | drivers/char/hw_random/starfive-vic-rng.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/char/hw_random/starfive-vic-rng.h b/drivers/char/hw_random/starfive-vic-rng.h new file mode 100644 index 000000000000..b3bbabde0cfb --- /dev/null +++ b/drivers/char/hw_random/starfive-vic-rng.h @@ -0,0 +1,167 @@ +/* + ****************************************************************************** + * @file starfive-vic-rng.h + * @author StarFive Technology + * @version V1.0 + * @date 08/13/2020 + * @brief + ****************************************************************************** + * @copy + * + * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STARFIVE SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * COPYRIGHT 2020 Shanghai StarFive Technology Co., Ltd. + */ + +#define VIC_CTRL 0x00 +#define VIC_MODE 0x04 +#define VIC_SMODE 0x08 +#define VIC_STAT 0x0C +#define VIC_IE 0x10 +#define VIC_ISTAT 0x14 +#define VIC_ALARM 0x18 +#define VIC_BUILD_ID 0x1C +#define VIC_FEATURES 0x20 +#define VIC_RAND0 0x24 +#define VIC_NPA_DATA0 0x34 +#define VIC_SEED0 0x74 +#define VIC_IA_RDATA 0xA4 +#define VIC_IA_WDATA 0xA8 +#define VIC_IA_ADDR 0xAC +#define VIC_IA_CMD 0xB0 + +/* CTRL */ +#define VIC_CTRL_CMD_NOP 0 +#define VIC_CTRL_CMD_GEN_NOISE 1 +#define VIC_CTRL_CMD_GEN_NONCE 2 +#define VIC_CTRL_CMD_CREATE_STATE 3 +#define VIC_CTRL_CMD_RENEW_STATE 4 +#define VIC_CTRL_CMD_REFRESH_ADDIN 5 +#define VIC_CTRL_CMD_GEN_RANDOM 6 +#define VIC_CTRL_CMD_ADVANCE_STATE 7 +#define VIC_CTRL_CMD_KAT 8 +#define VIC_CTRL_CMD_ZEROIZE 15 + +/* MODE */ +#define _VIC_MODE_ADDIN_PRESENT 4 +#define _VIC_MODE_PRED_RESIST 3 +#define _VIC_MODE_KAT_SEL 2 +#define _VIC_MODE_KAT_VEC 1 +#define _VIC_MODE_SEC_ALG 0 + +#define VIC_MODE_ADDIN_PRESENT (1UL << _VIC_MODE_ADDIN_PRESENT) +#define VIC_MODE_PRED_RESIST (1UL << _VIC_MODE_PRED_RESIST) +#define VIC_MODE_KAT_SEL (1UL << _VIC_MODE_KAT_SEL) +#define VIC_MODE_KAT_VEC (1UL << _VIC_MODE_KAT_VEC) +#define VIC_MODE_SEC_ALG (1UL << _VIC_MODE_SEC_ALG) + +/* SMODE */ +#define _VIC_SMODE_MAX_REJECTS 2 +#define _VIC_SMODE_SECURE_EN 1 +#define _VIC_SMODE_NONCE 0 + +#define VIC_SMODE_MAX_REJECTS(x) ((x) << _VIC_SMODE_MAX_REJECTS) +#define VIC_SMODE_SECURE_EN(x) ((x) << _VIC_SMODE_SECURE_EN) +#define VIC_SMODE_NONCE (1UL << _VIC_SMODE_NONCE) + +/* STAT */ +#define _VIC_STAT_BUSY 31 +#define _VIC_STAT_DRBG_STATE 7 +#define _VIC_STAT_SECURE 6 +#define _VIC_STAT_NONCE_MODE 5 +#define _VIC_STAT_SEC_ALG 4 +#define _VIC_STAT_LAST_CMD 0 + +#define VIC_STAT_BUSY (1UL << _VIC_STAT_BUSY) +#define VIC_STAT_DRBG_STATE (1UL << _VIC_STAT_DRBG_STATE) +#define VIC_STAT_SECURE (1UL << _VIC_STAT_SECURE) +#define VIC_STAT_NONCE_MODE (1UL << _VIC_STAT_NONCE_MODE) +#define VIC_STAT_SEC_ALG (1UL << _VIC_STAT_SEC_ALG) +#define VIC_STAT_LAST_CMD(x) (((x) >> _VIC_STAT_LAST_CMD) & 0xF) + +/* IE */ +#define _VIC_IE_GLBL 31 +#define _VIC_IE_DONE 4 +#define _VIC_IE_ALARMS 3 +#define _VIC_IE_NOISE_RDY 2 +#define _VIC_IE_KAT_COMPLETE 1 +#define _VIC_IE_ZEROIZE 0 + +#define VIC_IE_GLBL (1UL << _VIC_IE_GLBL) +#define VIC_IE_DONE (1UL << _VIC_IE_DONE) +#define VIC_IE_ALARMS (1UL << _VIC_IE_ALARMS) +#define VIC_IE_NOISE_RDY (1UL << _VIC_IE_NOISE_RDY) +#define VIC_IE_KAT_COMPLETE (1UL << _VIC_IE_KAT_COMPLETE) +#define VIC_IE_ZEROIZE (1UL << _VIC_IE_ZEROIZE) +#define VIC_IE_ALL (VIC_IE_GLBL | VIC_IE_DONE | VIC_IE_ALARMS | \ + VIC_IE_NOISE_RDY | VIC_IE_KAT_COMPLETE | VIC_IE_ZEROIZE) + +/* ISTAT */ +#define _VIC_ISTAT_DONE 4 +#define _VIC_ISTAT_ALARMS 3 +#define _VIC_ISTAT_NOISE_RDY 2 +#define _VIC_ISTAT_KAT_COMPLETE 1 +#define _VIC_ISTAT_ZEROIZE 0 + +#define VIC_ISTAT_DONE (1UL << _VIC_ISTAT_DONE) +#define VIC_ISTAT_ALARMS (1UL << _VIC_ISTAT_ALARMS) +#define VIC_ISTAT_NOISE_RDY (1UL << _VIC_ISTAT_NOISE_RDY) +#define VIC_ISTAT_KAT_COMPLETE (1UL << _VIC_ISTAT_KAT_COMPLETE) +#define VIC_ISTAT_ZEROIZE (1UL << _VIC_ISTAT_ZEROIZE) + +/* ALARMS */ +#define VIC_ALARM_ILLEGAL_CMD_SEQ (1UL << 4) +#define VIC_ALARM_FAILED_TEST_ID_OK 0 +#define VIC_ALARM_FAILED_TEST_ID_KAT_STAT 1 +#define VIC_ALARM_FAILED_TEST_ID_KAT 2 +#define VIC_ALARM_FAILED_TEST_ID_MONOBIT 3 +#define VIC_ALARM_FAILED_TEST_ID_RUN 4 +#define VIC_ALARM_FAILED_TEST_ID_LONGRUN 5 +#define VIC_ALARM_FAILED_TEST_ID_AUTOCORRELATION 6 +#define VIC_ALARM_FAILED_TEST_ID_POKER 7 +#define VIC_ALARM_FAILED_TEST_ID_REPETITION_COUNT 8 +#define VIC_ALARM_FAILED_TEST_ID_ADAPATIVE_PROPORTION 9 + +/* BUILD_ID */ +#define VIC_BUILD_ID_STEPPING(x) (((x) >> 28) & 0xF) +#define VIC_BUILD_ID_EPN(x) ((x) & 0xFFFF) + +/* FEATURES */ +#define VIC_FEATURES_AES_256(x) (((x) >> 9) & 1) +#define VIC_FEATURES_EXTRA_PS_PRESENT(x) (((x) >> 8) & 1) +#define VIC_FEATURES_DIAG_LEVEL_NS(x) (((x) >> 7) & 1) +#define VIC_FEATURES_DIAG_LEVEL_CLP800(x) (((x) >> 4) & 7) +#define VIC_FEATURES_DIAG_LEVEL_ST_HLT(x) (((x) >> 1) & 7) +#define VIC_FEATURES_SECURE_RST_STATE(x) ((x) & 1) + +/* IA_CMD */ +#define VIC_IA_CMD_GO (1UL << 31) +#define VIC_IA_CMD_WR (1) + +#define _VIC_SMODE_MAX_REJECTS_MASK 255UL +#define _VIC_SMODE_SECURE_EN_MASK 1UL +#define _VIC_SMODE_NONCE_MASK 1UL +#define _VIC_MODE_SEC_ALG_MASK 1UL +#define _VIC_MODE_ADDIN_PRESENT_MASK 1UL +#define _VIC_MODE_PRED_RESIST_MASK 1UL + +#define VIC_SMODE_SET_MAX_REJECTS(y, x) (((y) & ~(_VIC_SMODE_MAX_REJECTS_MASK << _VIC_SMODE_MAX_REJECTS)) | ((x) << _VIC_SMODE_MAX_REJECTS)) +#define VIC_SMODE_SET_SECURE_EN(y, x) (((y) & ~(_VIC_SMODE_SECURE_EN_MASK << _VIC_SMODE_SECURE_EN)) | ((x) << _VIC_SMODE_SECURE_EN)) +#define VIC_SMODE_SET_NONCE(y, x) (((y) & ~(_VIC_SMODE_NONCE_MASK << _VIC_SMODE_NONCE)) | ((x) << _VIC_SMODE_NONCE)) +#define VIC_SMODE_GET_MAX_REJECTS(x) (((x) >> _VIC_SMODE_MAX_REJECTS) & _VIC_SMODE_MAX_REJECTS_MASK) +#define VIC_SMODE_GET_SECURE_EN(x) (((x) >> _VIC_SMODE_SECURE_EN) & _VIC_SMODE_SECURE_EN_MASK) +#define VIC_SMODE_GET_NONCE(x) (((x) >> _VIC_SMODE_NONCE) & _VIC_SMODE_NONCE_MASK) + +#define VIC_MODE_SET_SEC_ALG(y, x) (((y) & ~(_VIC_MODE_SEC_ALG_MASK << _VIC_MODE_SEC_ALG)) | ((x) << _VIC_MODE_SEC_ALG)) +#define VIC_MODE_SET_PRED_RESIST(y, x) (((y) & ~(_VIC_MODE_PRED_RESIST_MASK << _VIC_MODE_PRED_RESIST)) | ((x) << _VIC_MODE_PRED_RESIST)) +#define VIC_MODE_SET_ADDIN_PRESENT(y, x) (((y) & ~(_VIC_MODE_ADDIN_PRESENT_MASK << _VIC_MODE_ADDIN_PRESENT)) | ((x) << _VIC_MODE_ADDIN_PRESENT)) +#define VIC_MODE_GET_SEC_ALG(x) (((x) >> _VIC_MODE_SEC_ALG) & _VIC_MODE_SEC_ALG_MASK) +#define VIC_MODE_GET_PRED_RESIST(x) (((x) >> _VIC_MODE_PRED_RESIST) & _VIC_MODE_PRED_RESIST_MASK) +#define VIC_MODE_GET_ADDIN_PRESENT(x) (((x) >> _VIC_MODE_ADDIN_PRESENT) & _VIC_MODE_ADDIN_PRESENT_MASK) + +#define VIC_RAND_LEN 4 |