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  * Copyright 2018, 2021 NXP
7  */
8 
9 #ifndef __FSL_SEC_H
10 #define __FSL_SEC_H
11 
12 #include <common.h>
13 #include <asm/io.h>
14 
15 #ifdef CONFIG_SYS_FSL_SEC_LE
16 #define sec_in32(a)       in_le32((ulong *)(ulong)a)
17 #define sec_out32(a, v)   out_le32((ulong *)(ulong)a, v)
18 #define sec_in16(a)       in_le16(a)
19 #define sec_clrbits32     clrbits_le32
20 #define sec_setbits32     setbits_le32
21 #elif defined(CONFIG_SYS_FSL_SEC_BE)
22 #define sec_in32(a)       in_be32(a)
23 #define sec_out32(a, v)   out_be32(a, v)
24 #define sec_in16(a)       in_be16(a)
25 #define sec_clrbits32     clrbits_be32
26 #define sec_setbits32     setbits_be32
27 #elif defined(CONFIG_SYS_FSL_HAS_SEC)
28 #error Neither CONFIG_SYS_FSL_SEC_LE nor CONFIG_SYS_FSL_SEC_BE is defined
29 #endif
30 
31 #define BLOB_SIZE(x)		((x) + 32 + 16) /* Blob buffer size */
32 
33 /* Security Engine Block (MS = Most Sig., LS = Least Sig.) */
34 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
35 /* RNG4 TRNG test registers */
36 struct rng4tst {
37 #define RTMCTL_PRGM 0x00010000	/* 1 -> program mode, 0 -> run mode */
38 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_SC     0 /* use von Neumann data in
39 						    both entropy shifter and
40 						    statistical checker */
41 #define RTMCTL_SAMP_MODE_RAW_ES_SC             1 /* use raw data in both
42 						    entropy shifter and
43 						    statistical checker */
44 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_RAW_SC 2 /* use von Neumann data in
45 						    entropy shifter, raw data
46 						    in statistical checker */
47 #define RTMCTL_SAMP_MODE_INVALID               3 /* invalid combination */
48 	u32 rtmctl;		/* misc. control register */
49 	u32 rtscmisc;		/* statistical check misc. register */
50 	u32 rtpkrrng;		/* poker range register */
51 #ifdef CONFIG_MX6SX
52 #define RTSDCTL_ENT_DLY		12000
53 #else
54 #define RTSDCTL_ENT_DLY		3200
55 #endif
56 #define RTSDCTL_ENT_DLY_MAX	12800
57 	union {
58 		u32 rtpkrmax;	/* PRGM=1: poker max. limit register */
59 		u32 rtpkrsq;	/* PRGM=0: poker square calc. result register */
60 	};
61 #define RTSDCTL_ENT_DLY_SHIFT 16
62 #define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT)
63 	u32 rtsdctl;		/* seed control register */
64 	union {
65 		u32 rtsblim;	/* PRGM=1: sparse bit limit register */
66 		u32 rttotsam;	/* PRGM=0: total samples register */
67 	};
68 	u32 rtfreqmin;		/* frequency count min. limit register */
69 #define RTFRQMAX_DISABLE       (1 << 20)
70 	union {
71 		u32 rtfreqmax;	/* PRGM=1: freq. count max. limit register */
72 		u32 rtfreqcnt;	/* PRGM=0: freq. count register */
73 	};
74 	u32 rsvd1[40];
75 #define RDSTA_IF(idx) (0x00000001 << (idx))
76 #define RDSTA_PR(idx) (0x00000010 << (idx))
77 #define RDSTA_MASK (RDSTA_PR(1) | RDSTA_PR(0) | RDSTA_IF(1) | RDSTA_IF(0))
78 #define RDSTA_SKVN 0x40000000
79 	u32 rdsta;		/*RNG DRNG Status Register*/
80 	u32 rsvd2[15];
81 };
82 
83 /* Version registers (Era 10+) */
84 struct version_regs {
85 	u32 crca;	/* CRCA_VERSION */
86 	u32 afha;	/* AFHA_VERSION */
87 	u32 kfha;	/* KFHA_VERSION */
88 	u32 pkha;	/* PKHA_VERSION */
89 	u32 aesa;	/* AESA_VERSION */
90 	u32 mdha;	/* MDHA_VERSION */
91 	u32 desa;	/* DESA_VERSION */
92 	u32 snw8a;	/* SNW8A_VERSION */
93 	u32 snw9a;	/* SNW9A_VERSION */
94 	u32 zuce;	/* ZUCE_VERSION */
95 	u32 zuca;	/* ZUCA_VERSION */
96 	u32 ccha;	/* CCHA_VERSION */
97 	u32 ptha;	/* PTHA_VERSION */
98 	u32 rng;	/* RNG_VERSION */
99 	u32 trng;	/* TRNG_VERSION */
100 	u32 aaha;	/* AAHA_VERSION */
101 	u32 rsvd[10];
102 	u32 sr;		/* SR_VERSION */
103 	u32 dma;	/* DMA_VERSION */
104 	u32 ai;		/* AI_VERSION */
105 	u32 qi;		/* QI_VERSION */
106 	u32 jr;		/* JR_VERSION */
107 	u32 deco;	/* DECO_VERSION */
108 };
109 
110 #define CHA_VER_NUM_MASK	0x000000ff
111 #define CHA_VER_MISC_SHIFT	8
112 #define CHA_VER_MISC_MASK	0x0000ff00
113 #define CHA_VER_REV_SHIFT	16
114 #define CHA_VER_REV_MASK	0x00ff0000
115 #define CHA_VER_VID_SHIFT	24
116 #define CHA_VER_VID_MASK	0xff000000
117 
118 typedef struct ccsr_sec {
119 	u32	res0;
120 	u32	mcfgr;		/* Master CFG Register */
121 	u8	res1[0x4];
122 	u32	scfgr;
123 	struct {
124 		u32	ms;	/* Job Ring LIODN Register, MS */
125 		u32	ls;	/* Job Ring LIODN Register, LS */
126 	} jrliodnr[4];
127 	u8	res2[0x2c];
128 	u32	jrstartr;	/* Job Ring Start Register */
129 	struct {
130 		u32	ms;	/* RTIC LIODN Register, MS */
131 		u32	ls;	/* RTIC LIODN Register, LS */
132 	} rticliodnr[4];
133 	u8	res3[0x1c];
134 	u32	decorr;		/* DECO Request Register */
135 	struct {
136 		u32	ms;	/* DECO LIODN Register, MS */
137 		u32	ls;	/* DECO LIODN Register, LS */
138 	} decoliodnr[16];
139 	u32	dar;		/* DECO Avail Register */
140 	u32	drr;		/* DECO Reset Register */
141 	u8	res5[0x4d8];
142 	struct rng4tst rng;	/* RNG Registers */
143 	u8	res6[0x780];
144 	struct version_regs vreg; /* version registers since era 10 */
145 	u8	res7[0xa0];
146 	u32	crnr_ms;	/* CHA Revision Number Register, MS */
147 	u32	crnr_ls;	/* CHA Revision Number Register, LS */
148 	u32	ctpr_ms;	/* Compile Time Parameters Register, MS */
149 	u32	ctpr_ls;	/* Compile Time Parameters Register, LS */
150 	u8	res8[0x10];
151 	u32	far_ms;		/* Fault Address Register, MS */
152 	u32	far_ls;		/* Fault Address Register, LS */
153 	u32	falr;		/* Fault Address LIODN Register */
154 	u32	fadr;		/* Fault Address Detail Register */
155 	u8	res9[0x4];
156 	u32	csta;		/* CAAM Status Register */
157 	u32	smpart;		/* Secure Memory Partition Parameters */
158 	u32	smvid;		/* Secure Memory Version ID */
159 	u32	rvid;		/* Run Time Integrity Checking Version ID Reg.*/
160 	u32	ccbvid;		/* CHA Cluster Block Version ID Register */
161 	u32	chavid_ms;	/* CHA Version ID Register, MS */
162 	u32	chavid_ls;	/* CHA Version ID Register, LS */
163 	u32	chanum_ms;	/* CHA Number Register, MS */
164 	u32	chanum_ls;	/* CHA Number Register, LS */
165 	u32	secvid_ms;	/* SEC Version ID Register, MS */
166 	u32	secvid_ls;	/* SEC Version ID Register, LS */
167 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
168 	u8	res10[0x6f020];
169 #else
170 	u8	res10[0x6020];
171 #endif
172 	u32	qilcr_ms;	/* Queue Interface LIODN CFG Register, MS */
173 	u32	qilcr_ls;	/* Queue Interface LIODN CFG Register, LS */
174 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
175 	u8	res11[0x8ffd8];
176 #else
177 	u8	res11[0x8fd8];
178 #endif
179 } ccsr_sec_t;
180 
181 #define SEC_CTPR_MS_AXI_LIODN		0x08000000
182 #define SEC_CTPR_MS_QI			0x02000000
183 #define SEC_CTPR_MS_VIRT_EN_INCL	0x00000001
184 #define SEC_CTPR_MS_VIRT_EN_POR		0x00000002
185 #define SEC_RVID_MA			0x0f000000
186 #define SEC_CHANUM_MS_JRNUM_MASK	0xf0000000
187 #define SEC_CHANUM_MS_JRNUM_SHIFT	28
188 #define SEC_CHANUM_MS_DECONUM_MASK	0x0f000000
189 #define SEC_CHANUM_MS_DECONUM_SHIFT	24
190 #define SEC_SECVID_MS_IPID_MASK	0xffff0000
191 #define SEC_SECVID_MS_IPID_SHIFT	16
192 #define SEC_SECVID_MS_MAJ_REV_MASK	0x0000ff00
193 #define SEC_SECVID_MS_MAJ_REV_SHIFT	8
194 #define SEC_CCBVID_ERA_MASK		0xff000000
195 #define SEC_CCBVID_ERA_SHIFT		24
196 #define SEC_SCFGR_RDBENABLE		0x00000400
197 #define SEC_SCFGR_VIRT_EN		0x00008000
198 #define SEC_CHAVID_LS_RNG_SHIFT		16
199 #define SEC_CHAVID_RNG_LS_MASK		0x000f0000
200 
201 struct jr_regs {
202 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
203 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
204 	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
205 	u32 irba_l;
206 	u32 irba_h;
207 #else
208 	u32 irba_h;
209 	u32 irba_l;
210 #endif
211 	u32 rsvd1;
212 	u32 irs;
213 	u32 rsvd2;
214 	u32 irsa;
215 	u32 rsvd3;
216 	u32 irja;
217 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
218 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
219 	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
220 	u32 orba_l;
221 	u32 orba_h;
222 #else
223 	u32 orba_h;
224 	u32 orba_l;
225 #endif
226 	u32 rsvd4;
227 	u32 ors;
228 	u32 rsvd5;
229 	u32 orjr;
230 	u32 rsvd6;
231 	u32 orsf;
232 	u32 rsvd7;
233 	u32 jrsta;
234 	u32 rsvd8;
235 	u32 jrint;
236 	u32 jrcfg0;
237 	u32 jrcfg1;
238 	u32 rsvd9;
239 	u32 irri;
240 	u32 rsvd10;
241 	u32 orwi;
242 	u32 rsvd11;
243 	u32 jrcr;
244 };
245 
246 /*
247  * Scatter Gather Entry - Specifies the the Scatter Gather Format
248  * related information
249  */
250 struct sg_entry {
251 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
252 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
253 	  defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8))
254 	uint32_t addr_lo;	/* Memory Address - lo */
255 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
256 #else
257 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
258 	uint32_t addr_lo;	/* Memory Address - lo */
259 #endif
260 
261 	uint32_t len_flag;	/* Length of the data in the frame */
262 #define SG_ENTRY_LENGTH_MASK	0x3FFFFFFF
263 #define SG_ENTRY_EXTENSION_BIT	0x80000000
264 #define SG_ENTRY_FINAL_BIT	0x40000000
265 	uint32_t bpid_offset;
266 #define SG_ENTRY_BPID_MASK	0x00FF0000
267 #define SG_ENTRY_BPID_SHIFT	16
268 #define SG_ENTRY_OFFSET_MASK	0x00001FFF
269 #define SG_ENTRY_OFFSET_SHIFT	0
270 };
271 
272 #if defined(CONFIG_MX6) || defined(CONFIG_MX7) || \
273 	defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
274 /* Job Ring Base Address */
275 #define JR_BASE_ADDR(x) (CFG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1))
276 /* Secure Memory Offset varies accross versions */
277 #define SM_V1_OFFSET 0x0f4
278 #define SM_V2_OFFSET 0xa00
279 /*Secure Memory Versioning */
280 #define SMVID_V2 0x20105
281 #define SM_VERSION(x)  ({typeof(x) _x = x; \
282 		_x < SMVID_V2 ? 1 : (_x < 0x20300 ? 2 : 3); })
283 #define SM_OFFSET(x)  (x == 1 ? SM_V1_OFFSET : SM_V2_OFFSET)
284 /* CAAM Job Ring 0 Registers */
285 /* Secure Memory Partition Owner register */
286 #define SMCSJR_PO		(3 << 6)
287 /* JR Allocation Error */
288 #define SMCSJR_AERR		(3 << 12)
289 /* Secure memory partition 0 page 0 owner register */
290 #define CAAM_SMPO_0	    (CFG_SYS_FSL_SEC_ADDR + 0x1FBC)
291 /* Secure memory command register */
292 #define CAAM_SMCJR(v, jr)   (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_CMD(v))
293 /* Secure memory command status register */
294 #define CAAM_SMCSJR(v, jr)  (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_STATUS(v))
295 /* Secure memory access permissions register */
296 #define CAAM_SMAPJR(v, jr, y) \
297 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_PERM(v) + y * 16)
298 /* Secure memory access group 2 register */
299 #define CAAM_SMAG2JR(v, jr, y) \
300 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP2(v) + y * 16)
301 /* Secure memory access group 1 register */
302 #define CAAM_SMAG1JR(v, jr, y)  \
303 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP1(v) + y * 16)
304 
305 /* Commands and macros for secure memory */
306 #define SM_CMD(v)		(v == 1 ? 0x0 : 0x1E4)
307 #define SM_STATUS(v)		(v == 1 ? 0x8 : 0x1EC)
308 #define SM_PERM(v)		(v == 1 ?  0x10 : 0x4)
309 #define SM_GROUP2(v)		({typeof(v) _v = v; \
310 		_v == 1 ? 0x14 : (_v == 2 ? 0x8 : 0xC); })
311 #define SM_GROUP1(v)		({typeof(v) _v = v; \
312 		_v == 1 ? 0x18 : (_v == 2 ? 0xC : 0x8); })
313 #define CMD_PAGE_ALLOC		0x1
314 #define CMD_PAGE_DEALLOC	0x2
315 #define CMD_PART_DEALLOC	0x3
316 #define CMD_INQUIRY		0x5
317 #define CMD_COMPLETE		(3 << 14)
318 #define PAGE_AVAILABLE		0
319 #define PAGE_OWNED		(3 << 6)
320 #define PAGE(x)			(x << 16)
321 #define PARTITION(x)		(x << 8)
322 #define PARTITION_OWNER(x)	(0x3 << (x*2))
323 
324 /* Address of secure 4kbyte pages */
325 #define SEC_MEM_PAGE0		CAAM_ARB_BASE_ADDR
326 #define SEC_MEM_PAGE1		(CAAM_ARB_BASE_ADDR + 0x1000)
327 #define SEC_MEM_PAGE2		(CAAM_ARB_BASE_ADDR + 0x2000)
328 #define SEC_MEM_PAGE3		(CAAM_ARB_BASE_ADDR + 0x3000)
329 
330 #ifdef CONFIG_IMX8M
331 #define JR_MID    (1)         /* Matches ATF configuration */
332 #define KS_G1     (0x10000 << JR_MID) /* CAAM only */
333 #define PERM      (0xB080)    /* CSP, SMAP_LCK, SMAG_LCK, G1_BLOB */
334 #else
335 #define JR_MID    (2)         /* Matches ROM configuration */
336 #define KS_G1     BIT(JR_MID) /* CAAM only */
337 #define PERM      (0xB008)    /* CSP, SMAP_LCK, SMAG_LCK, G1_BLOB */
338 #endif /* CONFIG_IMX8M */
339 
340 /* HAB WRAPPED KEY header */
341 #define WRP_HDR_SIZE		0x08
342 #define HDR_TAG			0x81
343 #define HDR_PAR			0x41
344 /* HAB WRAPPED KEY Data */
345 #define HAB_MOD			0x66
346 #define HAB_ALG			0x55
347 #define HAB_FLG			0x00
348 
349 /* Partition and Page IDs */
350 #define PARTITION_1	1
351 #define PAGE_1			1
352 
353 #define ERROR_IN_PAGE_ALLOC	1
354 #define ECONSTRJDESC   -1
355 
356 #endif
357 
358 #define FSL_CAAM_MP_PUBK_BYTES		    64
359 #define FSL_CAAM_MP_PRVK_BYTES		    32
360 #define FSL_CAAM_MP_MES_DGST_BYTES	    32
361 
362 #define FSL_CAAM_ORSR_JRa_OFFSET	0x102c
363 #define FSL_CAAM_MAX_JR_SIZE		4
364 
365 /* blob_dek:
366  * Encapsulates the src in a secure blob and stores it dst
367  * @src: reference to the plaintext
368  * @dst: reference to the output adrress
369  * @len: size in bytes of src
370  * @return: 0 on success, error otherwise
371  */
372 int blob_dek(const u8 *src, u8 *dst, u8 len);
373 
374 int gen_mppubk(u8 *dst);
375 
376 int sign_mppubk(const u8 *m, int data_size, u8 *dgst, u8 *c, u8 *d);
377 
378 #if defined(CONFIG_ARCH_C29X)
379 int sec_init_idx(uint8_t);
380 #endif
381 int sec_init(void);
382 
383 u8 caam_get_era(void);
384 #endif
385 
386 #endif /* __FSL_SEC_H */
387