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u-boot/include/fsl_sec.h
Gaurav Jain 0c45c77b8a i.MX6SX: crypto/fsl: fix entropy delay value 
RNG Hardware error is reported due to incorrect entropy delay

rng self test are run to determine the correct ent_dly.
test is executed with different voltage and temperature to identify the
worst case value for ent_dly. after adding a margin value(1000),
ent_dly should be at least 12000.

Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
2022-05-19 21:39:36 +02:00

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Common internal memory map for some Freescale SoCs
*
* Copyright 2014 Freescale Semiconductor, Inc.
* Copyright 2018, 2021 NXP
*/
#ifndef __FSL_SEC_H
#define __FSL_SEC_H
#include <common.h>
#include <asm/io.h>
#ifdef CONFIG_SYS_FSL_SEC_LE
#define sec_in32(a) in_le32((ulong *)(ulong)a)
#define sec_out32(a, v) out_le32((ulong *)(ulong)a, v)
#define sec_in16(a) in_le16(a)
#define sec_clrbits32 clrbits_le32
#define sec_setbits32 setbits_le32
#elif defined(CONFIG_SYS_FSL_SEC_BE)
#define sec_in32(a) in_be32(a)
#define sec_out32(a, v) out_be32(a, v)
#define sec_in16(a) in_be16(a)
#define sec_clrbits32 clrbits_be32
#define sec_setbits32 setbits_be32
#elif defined(CONFIG_SYS_FSL_HAS_SEC)
#error Neither CONFIG_SYS_FSL_SEC_LE nor CONFIG_SYS_FSL_SEC_BE is defined
#endif
#define BLOB_SIZE(x) ((x) + 32 + 16) /* Blob buffer size */
/* Security Engine Block (MS = Most Sig., LS = Least Sig.) */
#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
/* RNG4 TRNG test registers */
struct rng4tst {
#define RTMCTL_PRGM 0x00010000 /* 1 -> program mode, 0 -> run mode */
#define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_SC 0 /* use von Neumann data in
both entropy shifter and
statistical checker */
#define RTMCTL_SAMP_MODE_RAW_ES_SC 1 /* use raw data in both
entropy shifter and
statistical checker */
#define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_RAW_SC 2 /* use von Neumann data in
entropy shifter, raw data
in statistical checker */
#define RTMCTL_SAMP_MODE_INVALID 3 /* invalid combination */
u32 rtmctl; /* misc. control register */
u32 rtscmisc; /* statistical check misc. register */
u32 rtpkrrng; /* poker range register */
#ifdef CONFIG_MX6SX
#define RTSDCTL_ENT_DLY 12000
#else
#define RTSDCTL_ENT_DLY 3200
#endif
#define RTSDCTL_ENT_DLY_MAX 12800
union {
u32 rtpkrmax; /* PRGM=1: poker max. limit register */
u32 rtpkrsq; /* PRGM=0: poker square calc. result register */
};
#define RTSDCTL_ENT_DLY_SHIFT 16
#define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT)
u32 rtsdctl; /* seed control register */
union {
u32 rtsblim; /* PRGM=1: sparse bit limit register */
u32 rttotsam; /* PRGM=0: total samples register */
};
u32 rtfreqmin; /* frequency count min. limit register */
#define RTFRQMAX_DISABLE (1 << 20)
union {
u32 rtfreqmax; /* PRGM=1: freq. count max. limit register */
u32 rtfreqcnt; /* PRGM=0: freq. count register */
};
u32 rsvd1[40];
#define RDSTA_IF(idx) (0x00000001 << (idx))
#define RDSTA_PR(idx) (0x00000010 << (idx))
#define RDSTA_MASK (RDSTA_PR(1) | RDSTA_PR(0) | RDSTA_IF(1) | RDSTA_IF(0))
#define RDSTA_SKVN 0x40000000
u32 rdsta; /*RNG DRNG Status Register*/
u32 rsvd2[15];
};
/* Version registers (Era 10+) */
struct version_regs {
u32 crca; /* CRCA_VERSION */
u32 afha; /* AFHA_VERSION */
u32 kfha; /* KFHA_VERSION */
u32 pkha; /* PKHA_VERSION */
u32 aesa; /* AESA_VERSION */
u32 mdha; /* MDHA_VERSION */
u32 desa; /* DESA_VERSION */
u32 snw8a; /* SNW8A_VERSION */
u32 snw9a; /* SNW9A_VERSION */
u32 zuce; /* ZUCE_VERSION */
u32 zuca; /* ZUCA_VERSION */
u32 ccha; /* CCHA_VERSION */
u32 ptha; /* PTHA_VERSION */
u32 rng; /* RNG_VERSION */
u32 trng; /* TRNG_VERSION */
u32 aaha; /* AAHA_VERSION */
u32 rsvd[10];
u32 sr; /* SR_VERSION */
u32 dma; /* DMA_VERSION */
u32 ai; /* AI_VERSION */
u32 qi; /* QI_VERSION */
u32 jr; /* JR_VERSION */
u32 deco; /* DECO_VERSION */
};
#define CHA_VER_NUM_MASK 0x000000ff
#define CHA_VER_MISC_SHIFT 8
#define CHA_VER_MISC_MASK 0x0000ff00
#define CHA_VER_REV_SHIFT 16
#define CHA_VER_REV_MASK 0x00ff0000
#define CHA_VER_VID_SHIFT 24
#define CHA_VER_VID_MASK 0xff000000
typedef struct ccsr_sec {
u32 res0;
u32 mcfgr; /* Master CFG Register */
u8 res1[0x4];
u32 scfgr;
struct {
u32 ms; /* Job Ring LIODN Register, MS */
u32 ls; /* Job Ring LIODN Register, LS */
} jrliodnr[4];
u8 res2[0x2c];
u32 jrstartr; /* Job Ring Start Register */
struct {
u32 ms; /* RTIC LIODN Register, MS */
u32 ls; /* RTIC LIODN Register, LS */
} rticliodnr[4];
u8 res3[0x1c];
u32 decorr; /* DECO Request Register */
struct {
u32 ms; /* DECO LIODN Register, MS */
u32 ls; /* DECO LIODN Register, LS */
} decoliodnr[16];
u32 dar; /* DECO Avail Register */
u32 drr; /* DECO Reset Register */
u8 res5[0x4d8];
struct rng4tst rng; /* RNG Registers */
u8 res6[0x780];
struct version_regs vreg; /* version registers since era 10 */
u8 res7[0xa0];
u32 crnr_ms; /* CHA Revision Number Register, MS */
u32 crnr_ls; /* CHA Revision Number Register, LS */
u32 ctpr_ms; /* Compile Time Parameters Register, MS */
u32 ctpr_ls; /* Compile Time Parameters Register, LS */
u8 res8[0x10];
u32 far_ms; /* Fault Address Register, MS */
u32 far_ls; /* Fault Address Register, LS */
u32 falr; /* Fault Address LIODN Register */
u32 fadr; /* Fault Address Detail Register */
u8 res9[0x4];
u32 csta; /* CAAM Status Register */
u32 smpart; /* Secure Memory Partition Parameters */
u32 smvid; /* Secure Memory Version ID */
u32 rvid; /* Run Time Integrity Checking Version ID Reg.*/
u32 ccbvid; /* CHA Cluster Block Version ID Register */
u32 chavid_ms; /* CHA Version ID Register, MS */
u32 chavid_ls; /* CHA Version ID Register, LS */
u32 chanum_ms; /* CHA Number Register, MS */
u32 chanum_ls; /* CHA Number Register, LS */
u32 secvid_ms; /* SEC Version ID Register, MS */
u32 secvid_ls; /* SEC Version ID Register, LS */
#if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
u8 res10[0x6f020];
#else
u8 res10[0x6020];
#endif
u32 qilcr_ms; /* Queue Interface LIODN CFG Register, MS */
u32 qilcr_ls; /* Queue Interface LIODN CFG Register, LS */
#if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
u8 res11[0x8ffd8];
#else
u8 res11[0x8fd8];
#endif
} ccsr_sec_t;
#define SEC_CTPR_MS_AXI_LIODN 0x08000000
#define SEC_CTPR_MS_QI 0x02000000
#define SEC_CTPR_MS_VIRT_EN_INCL 0x00000001
#define SEC_CTPR_MS_VIRT_EN_POR 0x00000002
#define SEC_RVID_MA 0x0f000000
#define SEC_CHANUM_MS_JRNUM_MASK 0xf0000000
#define SEC_CHANUM_MS_JRNUM_SHIFT 28
#define SEC_CHANUM_MS_DECONUM_MASK 0x0f000000
#define SEC_CHANUM_MS_DECONUM_SHIFT 24
#define SEC_SECVID_MS_IPID_MASK 0xffff0000
#define SEC_SECVID_MS_IPID_SHIFT 16
#define SEC_SECVID_MS_MAJ_REV_MASK 0x0000ff00
#define SEC_SECVID_MS_MAJ_REV_SHIFT 8
#define SEC_CCBVID_ERA_MASK 0xff000000
#define SEC_CCBVID_ERA_SHIFT 24
#define SEC_SCFGR_RDBENABLE 0x00000400
#define SEC_SCFGR_VIRT_EN 0x00008000
#define SEC_CHAVID_LS_RNG_SHIFT 16
#define SEC_CHAVID_RNG_LS_MASK 0x000f0000
struct jr_regs {
#if defined(CONFIG_SYS_FSL_SEC_LE) && \
!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
u32 irba_l;
u32 irba_h;
#else
u32 irba_h;
u32 irba_l;
#endif
u32 rsvd1;
u32 irs;
u32 rsvd2;
u32 irsa;
u32 rsvd3;
u32 irja;
#if defined(CONFIG_SYS_FSL_SEC_LE) && \
!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
u32 orba_l;
u32 orba_h;
#else
u32 orba_h;
u32 orba_l;
#endif
u32 rsvd4;
u32 ors;
u32 rsvd5;
u32 orjr;
u32 rsvd6;
u32 orsf;
u32 rsvd7;
u32 jrsta;
u32 rsvd8;
u32 jrint;
u32 jrcfg0;
u32 jrcfg1;
u32 rsvd9;
u32 irri;
u32 rsvd10;
u32 orwi;
u32 rsvd11;
u32 jrcr;
};
/*
* Scatter Gather Entry - Specifies the the Scatter Gather Format
* related information
*/
struct sg_entry {
#if defined(CONFIG_SYS_FSL_SEC_LE) && \
!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
uint32_t addr_lo; /* Memory Address - lo */
uint32_t addr_hi; /* Memory Address of start of buffer - hi */
#else
uint32_t addr_hi; /* Memory Address of start of buffer - hi */
uint32_t addr_lo; /* Memory Address - lo */
#endif
uint32_t len_flag; /* Length of the data in the frame */
#define SG_ENTRY_LENGTH_MASK 0x3FFFFFFF
#define SG_ENTRY_EXTENSION_BIT 0x80000000
#define SG_ENTRY_FINAL_BIT 0x40000000
uint32_t bpid_offset;
#define SG_ENTRY_BPID_MASK 0x00FF0000
#define SG_ENTRY_BPID_SHIFT 16
#define SG_ENTRY_OFFSET_MASK 0x00001FFF
#define SG_ENTRY_OFFSET_SHIFT 0
};
#if defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
/* Job Ring Base Address */
#define JR_BASE_ADDR(x) (CONFIG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1))
/* Secure Memory Offset varies accross versions */
#define SM_V1_OFFSET 0x0f4
#define SM_V2_OFFSET 0xa00
/*Secure Memory Versioning */
#define SMVID_V2 0x20105
#define SM_VERSION(x) ({typeof(x) _x = x; \
_x < SMVID_V2 ? 1 : (_x < 0x20300 ? 2 : 3); })
#define SM_OFFSET(x) (x == 1 ? SM_V1_OFFSET : SM_V2_OFFSET)
/* CAAM Job Ring 0 Registers */
/* Secure Memory Partition Owner register */
#define SMCSJR_PO (3 << 6)
/* JR Allocation Error */
#define SMCSJR_AERR (3 << 12)
/* Secure memory partition 0 page 0 owner register */
#define CAAM_SMPO_0 (CONFIG_SYS_FSL_SEC_ADDR + 0x1FBC)
/* Secure memory command register */
#define CAAM_SMCJR(v, jr) (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_CMD(v))
/* Secure memory command status register */
#define CAAM_SMCSJR(v, jr) (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_STATUS(v))
/* Secure memory access permissions register */
#define CAAM_SMAPJR(v, jr, y) \
(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_PERM(v) + y * 16)
/* Secure memory access group 2 register */
#define CAAM_SMAG2JR(v, jr, y) \
(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP2(v) + y * 16)
/* Secure memory access group 1 register */
#define CAAM_SMAG1JR(v, jr, y) \
(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP1(v) + y * 16)
/* Commands and macros for secure memory */
#define SM_CMD(v) (v == 1 ? 0x0 : 0x1E4)
#define SM_STATUS(v) (v == 1 ? 0x8 : 0x1EC)
#define SM_PERM(v) (v == 1 ? 0x10 : 0x4)
#define SM_GROUP2(v) ({typeof(v) _v = v; \
_v == 1 ? 0x14 : (_v == 2 ? 0x8 : 0xC); })
#define SM_GROUP1(v) ({typeof(v) _v = v; \
_v == 1 ? 0x18 : (_v == 2 ? 0xC : 0x8); })
#define CMD_PAGE_ALLOC 0x1
#define CMD_PAGE_DEALLOC 0x2
#define CMD_PART_DEALLOC 0x3
#define CMD_INQUIRY 0x5
#define CMD_COMPLETE (3 << 14)
#define PAGE_AVAILABLE 0
#define PAGE_OWNED (3 << 6)
#define PAGE(x) (x << 16)
#define PARTITION(x) (x << 8)
#define PARTITION_OWNER(x) (0x3 << (x*2))
/* Address of secure 4kbyte pages */
#define SEC_MEM_PAGE0 CAAM_ARB_BASE_ADDR
#define SEC_MEM_PAGE1 (CAAM_ARB_BASE_ADDR + 0x1000)
#define SEC_MEM_PAGE2 (CAAM_ARB_BASE_ADDR + 0x2000)
#define SEC_MEM_PAGE3 (CAAM_ARB_BASE_ADDR + 0x3000)
#ifdef CONFIG_IMX8M
#define JR_MID (1) /* Matches ATF configuration */
#define KS_G1 (0x10000 << JR_MID) /* CAAM only */
#define PERM (0xB080) /* CSP, SMAP_LCK, SMAG_LCK, G1_BLOB */
#else
#define JR_MID (2) /* Matches ROM configuration */
#define KS_G1 BIT(JR_MID) /* CAAM only */
#define PERM (0xB008) /* CSP, SMAP_LCK, SMAG_LCK, G1_BLOB */
#endif /* CONFIG_IMX8M */
/* HAB WRAPPED KEY header */
#define WRP_HDR_SIZE 0x08
#define HDR_TAG 0x81
#define HDR_PAR 0x41
/* HAB WRAPPED KEY Data */
#define HAB_MOD 0x66
#define HAB_ALG 0x55
#define HAB_FLG 0x00
/* Partition and Page IDs */
#define PARTITION_1 1
#define PAGE_1 1
#define ERROR_IN_PAGE_ALLOC 1
#define ECONSTRJDESC -1
#endif
#define FSL_CAAM_MP_PUBK_BYTES 64
#define FSL_CAAM_MP_PRVK_BYTES 32
#define FSL_CAAM_MP_MES_DGST_BYTES 32
#define FSL_CAAM_ORSR_JRa_OFFSET 0x102c
#define FSL_CAAM_MAX_JR_SIZE 4
/* blob_dek:
* Encapsulates the src in a secure blob and stores it dst
* @src: reference to the plaintext
* @dst: reference to the output adrress
* @len: size in bytes of src
* @return: 0 on success, error otherwise
*/
int blob_dek(const u8 *src, u8 *dst, u8 len);
int gen_mppubk(u8 *dst);
int sign_mppubk(const u8 *m, int data_size, u8 *dgst, u8 *c, u8 *d);
#if defined(CONFIG_ARCH_C29X)
int sec_init_idx(uint8_t);
#endif
int sec_init(void);
u8 caam_get_era(void);
#endif
#endif /* __FSL_SEC_H */
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