xref: /openbmc/u-boot/include/fsl_sec.h (revision fd0bc623)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Common internal memory map for some Freescale SoCs
4  *
5  * Copyright 2014 Freescale Semiconductor, Inc.
6  */
7 
8 #ifndef __FSL_SEC_H
9 #define __FSL_SEC_H
10 
11 #include <common.h>
12 #include <asm/io.h>
13 
14 #ifdef CONFIG_SYS_FSL_SEC_LE
15 #define sec_in32(a)       in_le32(a)
16 #define sec_out32(a, v)   out_le32(a, v)
17 #define sec_in16(a)       in_le16(a)
18 #define sec_clrbits32     clrbits_le32
19 #define sec_setbits32     setbits_le32
20 #elif defined(CONFIG_SYS_FSL_SEC_BE)
21 #define sec_in32(a)       in_be32(a)
22 #define sec_out32(a, v)   out_be32(a, v)
23 #define sec_in16(a)       in_be16(a)
24 #define sec_clrbits32     clrbits_be32
25 #define sec_setbits32     setbits_be32
26 #elif defined(CONFIG_SYS_FSL_HAS_SEC)
27 #error Neither CONFIG_SYS_FSL_SEC_LE nor CONFIG_SYS_FSL_SEC_BE is defined
28 #endif
29 
30 /* Security Engine Block (MS = Most Sig., LS = Least Sig.) */
31 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
32 /* RNG4 TRNG test registers */
33 struct rng4tst {
34 #define RTMCTL_PRGM 0x00010000	/* 1 -> program mode, 0 -> run mode */
35 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_SC     0 /* use von Neumann data in
36 						    both entropy shifter and
37 						    statistical checker */
38 #define RTMCTL_SAMP_MODE_RAW_ES_SC             1 /* use raw data in both
39 						    entropy shifter and
40 						    statistical checker */
41 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_RAW_SC 2 /* use von Neumann data in
42 						    entropy shifter, raw data
43 						    in statistical checker */
44 #define RTMCTL_SAMP_MODE_INVALID               3 /* invalid combination */
45 	u32 rtmctl;		/* misc. control register */
46 	u32 rtscmisc;		/* statistical check misc. register */
47 	u32 rtpkrrng;		/* poker range register */
48 #define RTSDCTL_ENT_DLY_MIN	3200
49 #define RTSDCTL_ENT_DLY_MAX	12800
50 	union {
51 		u32 rtpkrmax;	/* PRGM=1: poker max. limit register */
52 		u32 rtpkrsq;	/* PRGM=0: poker square calc. result register */
53 	};
54 #define RTSDCTL_ENT_DLY_SHIFT 16
55 #define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT)
56 	u32 rtsdctl;		/* seed control register */
57 	union {
58 		u32 rtsblim;	/* PRGM=1: sparse bit limit register */
59 		u32 rttotsam;	/* PRGM=0: total samples register */
60 	};
61 	u32 rtfreqmin;		/* frequency count min. limit register */
62 #define RTFRQMAX_DISABLE       (1 << 20)
63 	union {
64 		u32 rtfreqmax;	/* PRGM=1: freq. count max. limit register */
65 		u32 rtfreqcnt;	/* PRGM=0: freq. count register */
66 	};
67 	u32 rsvd1[40];
68 #define RNG_STATE0_HANDLE_INSTANTIATED	0x00000001
69 #define RNG_STATE1_HANDLE_INSTANTIATED	0x00000002
70 #define RNG_STATE_HANDLE_MASK	\
71 	(RNG_STATE0_HANDLE_INSTANTIATED | RNG_STATE1_HANDLE_INSTANTIATED)
72 	u32 rdsta;		/*RNG DRNG Status Register*/
73 	u32 rsvd2[15];
74 };
75 
76 typedef struct ccsr_sec {
77 	u32	res0;
78 	u32	mcfgr;		/* Master CFG Register */
79 	u8	res1[0x4];
80 	u32	scfgr;
81 	struct {
82 		u32	ms;	/* Job Ring LIODN Register, MS */
83 		u32	ls;	/* Job Ring LIODN Register, LS */
84 	} jrliodnr[4];
85 	u8	res2[0x2c];
86 	u32	jrstartr;	/* Job Ring Start Register */
87 	struct {
88 		u32	ms;	/* RTIC LIODN Register, MS */
89 		u32	ls;	/* RTIC LIODN Register, LS */
90 	} rticliodnr[4];
91 	u8	res3[0x1c];
92 	u32	decorr;		/* DECO Request Register */
93 	struct {
94 		u32	ms;	/* DECO LIODN Register, MS */
95 		u32	ls;	/* DECO LIODN Register, LS */
96 	} decoliodnr[8];
97 	u8	res4[0x40];
98 	u32	dar;		/* DECO Avail Register */
99 	u32	drr;		/* DECO Reset Register */
100 	u8	res5[0x4d8];
101 	struct rng4tst rng;	/* RNG Registers */
102 	u8	res6[0x8a0];
103 	u32	crnr_ms;	/* CHA Revision Number Register, MS */
104 	u32	crnr_ls;	/* CHA Revision Number Register, LS */
105 	u32	ctpr_ms;	/* Compile Time Parameters Register, MS */
106 	u32	ctpr_ls;	/* Compile Time Parameters Register, LS */
107 	u8	res7[0x10];
108 	u32	far_ms;		/* Fault Address Register, MS */
109 	u32	far_ls;		/* Fault Address Register, LS */
110 	u32	falr;		/* Fault Address LIODN Register */
111 	u32	fadr;		/* Fault Address Detail Register */
112 	u8	res8[0x4];
113 	u32	csta;		/* CAAM Status Register */
114 	u32	smpart;		/* Secure Memory Partition Parameters */
115 	u32	smvid;		/* Secure Memory Version ID */
116 	u32	rvid;		/* Run Time Integrity Checking Version ID Reg.*/
117 	u32	ccbvid;		/* CHA Cluster Block Version ID Register */
118 	u32	chavid_ms;	/* CHA Version ID Register, MS */
119 	u32	chavid_ls;	/* CHA Version ID Register, LS */
120 	u32	chanum_ms;	/* CHA Number Register, MS */
121 	u32	chanum_ls;	/* CHA Number Register, LS */
122 	u32	secvid_ms;	/* SEC Version ID Register, MS */
123 	u32	secvid_ls;	/* SEC Version ID Register, LS */
124 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
125 	u8	res9[0x6f020];
126 #else
127 	u8	res9[0x6020];
128 #endif
129 	u32	qilcr_ms;	/* Queue Interface LIODN CFG Register, MS */
130 	u32	qilcr_ls;	/* Queue Interface LIODN CFG Register, LS */
131 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
132 	u8	res10[0x8ffd8];
133 #else
134 	u8	res10[0x8fd8];
135 #endif
136 } ccsr_sec_t;
137 
138 #define SEC_CTPR_MS_AXI_LIODN		0x08000000
139 #define SEC_CTPR_MS_QI			0x02000000
140 #define SEC_CTPR_MS_VIRT_EN_INCL	0x00000001
141 #define SEC_CTPR_MS_VIRT_EN_POR		0x00000002
142 #define SEC_RVID_MA			0x0f000000
143 #define SEC_CHANUM_MS_JRNUM_MASK	0xf0000000
144 #define SEC_CHANUM_MS_JRNUM_SHIFT	28
145 #define SEC_CHANUM_MS_DECONUM_MASK	0x0f000000
146 #define SEC_CHANUM_MS_DECONUM_SHIFT	24
147 #define SEC_SECVID_MS_IPID_MASK	0xffff0000
148 #define SEC_SECVID_MS_IPID_SHIFT	16
149 #define SEC_SECVID_MS_MAJ_REV_MASK	0x0000ff00
150 #define SEC_SECVID_MS_MAJ_REV_SHIFT	8
151 #define SEC_CCBVID_ERA_MASK		0xff000000
152 #define SEC_CCBVID_ERA_SHIFT		24
153 #define SEC_SCFGR_RDBENABLE		0x00000400
154 #define SEC_SCFGR_VIRT_EN		0x00008000
155 #define SEC_CHAVID_LS_RNG_SHIFT		16
156 #define SEC_CHAVID_RNG_LS_MASK		0x000f0000
157 
158 #define CONFIG_JRSTARTR_JR0		0x00000001
159 
160 struct jr_regs {
161 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
162 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
163 	u32 irba_l;
164 	u32 irba_h;
165 #else
166 	u32 irba_h;
167 	u32 irba_l;
168 #endif
169 	u32 rsvd1;
170 	u32 irs;
171 	u32 rsvd2;
172 	u32 irsa;
173 	u32 rsvd3;
174 	u32 irja;
175 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
176 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
177 	u32 orba_l;
178 	u32 orba_h;
179 #else
180 	u32 orba_h;
181 	u32 orba_l;
182 #endif
183 	u32 rsvd4;
184 	u32 ors;
185 	u32 rsvd5;
186 	u32 orjr;
187 	u32 rsvd6;
188 	u32 orsf;
189 	u32 rsvd7;
190 	u32 jrsta;
191 	u32 rsvd8;
192 	u32 jrint;
193 	u32 jrcfg0;
194 	u32 jrcfg1;
195 	u32 rsvd9;
196 	u32 irri;
197 	u32 rsvd10;
198 	u32 orwi;
199 	u32 rsvd11;
200 	u32 jrcr;
201 };
202 
203 /*
204  * Scatter Gather Entry - Specifies the the Scatter Gather Format
205  * related information
206  */
207 struct sg_entry {
208 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
209 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
210 	uint32_t addr_lo;	/* Memory Address - lo */
211 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
212 #else
213 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
214 	uint32_t addr_lo;	/* Memory Address - lo */
215 #endif
216 
217 	uint32_t len_flag;	/* Length of the data in the frame */
218 #define SG_ENTRY_LENGTH_MASK	0x3FFFFFFF
219 #define SG_ENTRY_EXTENSION_BIT	0x80000000
220 #define SG_ENTRY_FINAL_BIT	0x40000000
221 	uint32_t bpid_offset;
222 #define SG_ENTRY_BPID_MASK	0x00FF0000
223 #define SG_ENTRY_BPID_SHIFT	16
224 #define SG_ENTRY_OFFSET_MASK	0x00001FFF
225 #define SG_ENTRY_OFFSET_SHIFT	0
226 };
227 
228 #define BLOB_SIZE(x)		((x) + 32 + 16) /* Blob buffer size */
229 
230 #if defined(CONFIG_MX6) || defined(CONFIG_MX7)
231 /* Job Ring Base Address */
232 #define JR_BASE_ADDR(x) (CONFIG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1))
233 /* Secure Memory Offset varies accross versions */
234 #define SM_V1_OFFSET 0x0f4
235 #define SM_V2_OFFSET 0xa00
236 /*Secure Memory Versioning */
237 #define SMVID_V2 0x20105
238 #define SM_VERSION(x)  (x < SMVID_V2 ? 1 : 2)
239 #define SM_OFFSET(x)  (x == 1 ? SM_V1_OFFSET : SM_V2_OFFSET)
240 /* CAAM Job Ring 0 Registers */
241 /* Secure Memory Partition Owner register */
242 #define SMCSJR_PO		(3 << 6)
243 /* JR Allocation Error */
244 #define SMCSJR_AERR		(3 << 12)
245 /* Secure memory partition 0 page 0 owner register */
246 #define CAAM_SMPO_0	    (CONFIG_SYS_FSL_SEC_ADDR + 0x1FBC)
247 /* Secure memory command register */
248 #define CAAM_SMCJR(v, jr)   (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_CMD(v))
249 /* Secure memory command status register */
250 #define CAAM_SMCSJR(v, jr)  (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_STATUS(v))
251 /* Secure memory access permissions register */
252 #define CAAM_SMAPJR(v, jr, y) \
253 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_PERM(v) + y * 16)
254 /* Secure memory access group 2 register */
255 #define CAAM_SMAG2JR(v, jr, y) \
256 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP2(v) + y * 16)
257 /* Secure memory access group 1 register */
258 #define CAAM_SMAG1JR(v, jr, y)  \
259 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP1(v) + y * 16)
260 
261 /* Commands and macros for secure memory */
262 #define SM_CMD(v)		(v == 1 ? 0x0 : 0x1E4)
263 #define SM_STATUS(v)		(v == 1 ? 0x8 : 0x1EC)
264 #define SM_PERM(v)		(v == 1 ?  0x10 : 0x4)
265 #define SM_GROUP2(v)		(v == 1 ? 0x14 : 0x8)
266 #define SM_GROUP1(v)		(v == 1 ? 0x18 : 0xC)
267 #define CMD_PAGE_ALLOC		0x1
268 #define CMD_PAGE_DEALLOC	0x2
269 #define CMD_PART_DEALLOC	0x3
270 #define CMD_INQUIRY		0x5
271 #define CMD_COMPLETE		(3 << 14)
272 #define PAGE_AVAILABLE		0
273 #define PAGE_OWNED		(3 << 6)
274 #define PAGE(x)			(x << 16)
275 #define PARTITION(x)		(x << 8)
276 #define PARTITION_OWNER(x)	(0x3 << (x*2))
277 
278 /* Address of secure 4kbyte pages */
279 #define SEC_MEM_PAGE0		CAAM_ARB_BASE_ADDR
280 #define SEC_MEM_PAGE1		(CAAM_ARB_BASE_ADDR + 0x1000)
281 #define SEC_MEM_PAGE2		(CAAM_ARB_BASE_ADDR + 0x2000)
282 #define SEC_MEM_PAGE3		(CAAM_ARB_BASE_ADDR + 0x3000)
283 
284 #define JR_MID			2               /* Matches ROM configuration */
285 #define KS_G1			(1 << JR_MID)   /* CAAM only */
286 #define PERM			0x0000B008      /* Clear on release, lock SMAP
287 						 * lock SMAG group 1 Blob */
288 
289 /* HAB WRAPPED KEY header */
290 #define WRP_HDR_SIZE		0x08
291 #define HDR_TAG			0x81
292 #define HDR_PAR			0x41
293 /* HAB WRAPPED KEY Data */
294 #define HAB_MOD			0x66
295 #define HAB_ALG			0x55
296 #define HAB_FLG			0x00
297 
298 /* Partition and Page IDs */
299 #define PARTITION_1	1
300 #define PAGE_1			1
301 
302 #define ERROR_IN_PAGE_ALLOC	1
303 #define ECONSTRJDESC   -1
304 
305 #endif
306 
307 /* blob_dek:
308  * Encapsulates the src in a secure blob and stores it dst
309  * @src: reference to the plaintext
310  * @dst: reference to the output adrress
311  * @len: size in bytes of src
312  * @return: 0 on success, error otherwise
313  */
314 int blob_dek(const u8 *src, u8 *dst, u8 len);
315 
316 #if defined(CONFIG_ARCH_C29X)
317 int sec_init_idx(uint8_t);
318 #endif
319 int sec_init(void);
320 #endif
321 
322 #endif /* __FSL_SEC_H */
323