xref: /openbmc/u-boot/include/fsl_sec.h (revision 85231c08)
1 /*
2  * Common internal memory map for some Freescale SoCs
3  *
4  * Copyright 2014 Freescale Semiconductor, Inc.
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
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(a)
17 #define sec_out32(a, v)   out_le32(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 /* Security Engine Block (MS = Most Sig., LS = Least Sig.) */
32 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
33 /* RNG4 TRNG test registers */
34 struct rng4tst {
35 #define RTMCTL_PRGM 0x00010000	/* 1 -> program mode, 0 -> run mode */
36 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_SC     0 /* use von Neumann data in
37 						    both entropy shifter and
38 						    statistical checker */
39 #define RTMCTL_SAMP_MODE_RAW_ES_SC             1 /* use raw data in both
40 						    entropy shifter and
41 						    statistical checker */
42 #define RTMCTL_SAMP_MODE_VON_NEUMANN_ES_RAW_SC 2 /* use von Neumann data in
43 						    entropy shifter, raw data
44 						    in statistical checker */
45 #define RTMCTL_SAMP_MODE_INVALID               3 /* invalid combination */
46 	u32 rtmctl;		/* misc. control register */
47 	u32 rtscmisc;		/* statistical check misc. register */
48 	u32 rtpkrrng;		/* poker range register */
49 #define RTSDCTL_ENT_DLY_MIN	3200
50 #define RTSDCTL_ENT_DLY_MAX	12800
51 	union {
52 		u32 rtpkrmax;	/* PRGM=1: poker max. limit register */
53 		u32 rtpkrsq;	/* PRGM=0: poker square calc. result register */
54 	};
55 #define RTSDCTL_ENT_DLY_SHIFT 16
56 #define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT)
57 	u32 rtsdctl;		/* seed control register */
58 	union {
59 		u32 rtsblim;	/* PRGM=1: sparse bit limit register */
60 		u32 rttotsam;	/* PRGM=0: total samples register */
61 	};
62 	u32 rtfreqmin;		/* frequency count min. limit register */
63 #define RTFRQMAX_DISABLE       (1 << 20)
64 	union {
65 		u32 rtfreqmax;	/* PRGM=1: freq. count max. limit register */
66 		u32 rtfreqcnt;	/* PRGM=0: freq. count register */
67 	};
68 	u32 rsvd1[40];
69 #define RNG_STATE0_HANDLE_INSTANTIATED	0x00000001
70 #define RNG_STATE1_HANDLE_INSTANTIATED	0x00000002
71 #define RNG_STATE_HANDLE_MASK	\
72 	(RNG_STATE0_HANDLE_INSTANTIATED | RNG_STATE1_HANDLE_INSTANTIATED)
73 	u32 rdsta;		/*RNG DRNG Status Register*/
74 	u32 rsvd2[15];
75 };
76 
77 typedef struct ccsr_sec {
78 	u32	res0;
79 	u32	mcfgr;		/* Master CFG Register */
80 	u8	res1[0x4];
81 	u32	scfgr;
82 	struct {
83 		u32	ms;	/* Job Ring LIODN Register, MS */
84 		u32	ls;	/* Job Ring LIODN Register, LS */
85 	} jrliodnr[4];
86 	u8	res2[0x2c];
87 	u32	jrstartr;	/* Job Ring Start Register */
88 	struct {
89 		u32	ms;	/* RTIC LIODN Register, MS */
90 		u32	ls;	/* RTIC LIODN Register, LS */
91 	} rticliodnr[4];
92 	u8	res3[0x1c];
93 	u32	decorr;		/* DECO Request Register */
94 	struct {
95 		u32	ms;	/* DECO LIODN Register, MS */
96 		u32	ls;	/* DECO LIODN Register, LS */
97 	} decoliodnr[8];
98 	u8	res4[0x40];
99 	u32	dar;		/* DECO Avail Register */
100 	u32	drr;		/* DECO Reset Register */
101 	u8	res5[0x4d8];
102 	struct rng4tst rng;	/* RNG Registers */
103 	u8	res6[0x8a0];
104 	u32	crnr_ms;	/* CHA Revision Number Register, MS */
105 	u32	crnr_ls;	/* CHA Revision Number Register, LS */
106 	u32	ctpr_ms;	/* Compile Time Parameters Register, MS */
107 	u32	ctpr_ls;	/* Compile Time Parameters Register, LS */
108 	u8	res7[0x10];
109 	u32	far_ms;		/* Fault Address Register, MS */
110 	u32	far_ls;		/* Fault Address Register, LS */
111 	u32	falr;		/* Fault Address LIODN Register */
112 	u32	fadr;		/* Fault Address Detail Register */
113 	u8	res8[0x4];
114 	u32	csta;		/* CAAM Status Register */
115 	u32	smpart;		/* Secure Memory Partition Parameters */
116 	u32	smvid;		/* Secure Memory Version ID */
117 	u32	rvid;		/* Run Time Integrity Checking Version ID Reg.*/
118 	u32	ccbvid;		/* CHA Cluster Block Version ID Register */
119 	u32	chavid_ms;	/* CHA Version ID Register, MS */
120 	u32	chavid_ls;	/* CHA Version ID Register, LS */
121 	u32	chanum_ms;	/* CHA Number Register, MS */
122 	u32	chanum_ls;	/* CHA Number Register, LS */
123 	u32	secvid_ms;	/* SEC Version ID Register, MS */
124 	u32	secvid_ls;	/* SEC Version ID Register, LS */
125 	u8	res9[0x6020];
126 	u32	qilcr_ms;	/* Queue Interface LIODN CFG Register, MS */
127 	u32	qilcr_ls;	/* Queue Interface LIODN CFG Register, LS */
128 	u8	res10[0x8fd8];
129 } ccsr_sec_t;
130 
131 #define SEC_CTPR_MS_AXI_LIODN		0x08000000
132 #define SEC_CTPR_MS_QI			0x02000000
133 #define SEC_CTPR_MS_VIRT_EN_INCL	0x00000001
134 #define SEC_CTPR_MS_VIRT_EN_POR		0x00000002
135 #define SEC_RVID_MA			0x0f000000
136 #define SEC_CHANUM_MS_JRNUM_MASK	0xf0000000
137 #define SEC_CHANUM_MS_JRNUM_SHIFT	28
138 #define SEC_CHANUM_MS_DECONUM_MASK	0x0f000000
139 #define SEC_CHANUM_MS_DECONUM_SHIFT	24
140 #define SEC_SECVID_MS_IPID_MASK	0xffff0000
141 #define SEC_SECVID_MS_IPID_SHIFT	16
142 #define SEC_SECVID_MS_MAJ_REV_MASK	0x0000ff00
143 #define SEC_SECVID_MS_MAJ_REV_SHIFT	8
144 #define SEC_CCBVID_ERA_MASK		0xff000000
145 #define SEC_CCBVID_ERA_SHIFT		24
146 #define SEC_SCFGR_RDBENABLE		0x00000400
147 #define SEC_SCFGR_VIRT_EN		0x00008000
148 #define SEC_CHAVID_LS_RNG_SHIFT		16
149 #define SEC_CHAVID_RNG_LS_MASK		0x000f0000
150 
151 #define CONFIG_JRSTARTR_JR0		0x00000001
152 
153 struct jr_regs {
154 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
155 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
156 	u32 irba_l;
157 	u32 irba_h;
158 #else
159 	u32 irba_h;
160 	u32 irba_l;
161 #endif
162 	u32 rsvd1;
163 	u32 irs;
164 	u32 rsvd2;
165 	u32 irsa;
166 	u32 rsvd3;
167 	u32 irja;
168 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
169 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
170 	u32 orba_l;
171 	u32 orba_h;
172 #else
173 	u32 orba_h;
174 	u32 orba_l;
175 #endif
176 	u32 rsvd4;
177 	u32 ors;
178 	u32 rsvd5;
179 	u32 orjr;
180 	u32 rsvd6;
181 	u32 orsf;
182 	u32 rsvd7;
183 	u32 jrsta;
184 	u32 rsvd8;
185 	u32 jrint;
186 	u32 jrcfg0;
187 	u32 jrcfg1;
188 	u32 rsvd9;
189 	u32 irri;
190 	u32 rsvd10;
191 	u32 orwi;
192 	u32 rsvd11;
193 	u32 jrcr;
194 };
195 
196 /*
197  * Scatter Gather Entry - Specifies the the Scatter Gather Format
198  * related information
199  */
200 struct sg_entry {
201 #if defined(CONFIG_SYS_FSL_SEC_LE) && \
202 	!(defined(CONFIG_MX6) || defined(CONFIG_MX7))
203 	uint32_t addr_lo;	/* Memory Address - lo */
204 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
205 #else
206 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
207 	uint32_t addr_lo;	/* Memory Address - lo */
208 #endif
209 
210 	uint32_t len_flag;	/* Length of the data in the frame */
211 #define SG_ENTRY_LENGTH_MASK	0x3FFFFFFF
212 #define SG_ENTRY_EXTENSION_BIT	0x80000000
213 #define SG_ENTRY_FINAL_BIT	0x40000000
214 	uint32_t bpid_offset;
215 #define SG_ENTRY_BPID_MASK	0x00FF0000
216 #define SG_ENTRY_BPID_SHIFT	16
217 #define SG_ENTRY_OFFSET_MASK	0x00001FFF
218 #define SG_ENTRY_OFFSET_SHIFT	0
219 };
220 
221 #define BLOB_SIZE(x)		((x) + 32 + 16) /* Blob buffer size */
222 
223 #if defined(CONFIG_MX6) || defined(CONFIG_MX7)
224 /* Job Ring Base Address */
225 #define JR_BASE_ADDR(x) (CONFIG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1))
226 /* Secure Memory Offset varies accross versions */
227 #define SM_V1_OFFSET 0x0f4
228 #define SM_V2_OFFSET 0xa00
229 /*Secure Memory Versioning */
230 #define SMVID_V2 0x20105
231 #define SM_VERSION(x)  (x < SMVID_V2 ? 1 : 2)
232 #define SM_OFFSET(x)  (x == 1 ? SM_V1_OFFSET : SM_V2_OFFSET)
233 /* CAAM Job Ring 0 Registers */
234 /* Secure Memory Partition Owner register */
235 #define SMCSJR_PO		(3 << 6)
236 /* JR Allocation Error */
237 #define SMCSJR_AERR		(3 << 12)
238 /* Secure memory partition 0 page 0 owner register */
239 #define CAAM_SMPO_0	    (CONFIG_SYS_FSL_SEC_ADDR + 0x1FBC)
240 /* Secure memory command register */
241 #define CAAM_SMCJR(v, jr)   (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_CMD(v))
242 /* Secure memory command status register */
243 #define CAAM_SMCSJR(v, jr)  (JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_STATUS(v))
244 /* Secure memory access permissions register */
245 #define CAAM_SMAPJR(v, jr, y) \
246 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_PERM(v) + y * 16)
247 /* Secure memory access group 2 register */
248 #define CAAM_SMAG2JR(v, jr, y) \
249 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP2(v) + y * 16)
250 /* Secure memory access group 1 register */
251 #define CAAM_SMAG1JR(v, jr, y)  \
252 	(JR_BASE_ADDR(jr) + SM_OFFSET(v) + SM_GROUP1(v) + y * 16)
253 
254 /* Commands and macros for secure memory */
255 #define SM_CMD(v)		(v == 1 ? 0x0 : 0x1E4)
256 #define SM_STATUS(v)		(v == 1 ? 0x8 : 0x1EC)
257 #define SM_PERM(v)		(v == 1 ?  0x10 : 0x4)
258 #define SM_GROUP2(v)		(v == 1 ? 0x14 : 0x8)
259 #define SM_GROUP1(v)		(v == 1 ? 0x18 : 0xC)
260 #define CMD_PAGE_ALLOC		0x1
261 #define CMD_PAGE_DEALLOC	0x2
262 #define CMD_PART_DEALLOC	0x3
263 #define CMD_INQUIRY		0x5
264 #define CMD_COMPLETE		(3 << 14)
265 #define PAGE_AVAILABLE		0
266 #define PAGE_OWNED		(3 << 6)
267 #define PAGE(x)			(x << 16)
268 #define PARTITION(x)		(x << 8)
269 #define PARTITION_OWNER(x)	(0x3 << (x*2))
270 
271 /* Address of secure 4kbyte pages */
272 #define SEC_MEM_PAGE0		CAAM_ARB_BASE_ADDR
273 #define SEC_MEM_PAGE1		(CAAM_ARB_BASE_ADDR + 0x1000)
274 #define SEC_MEM_PAGE2		(CAAM_ARB_BASE_ADDR + 0x2000)
275 #define SEC_MEM_PAGE3		(CAAM_ARB_BASE_ADDR + 0x3000)
276 
277 #define JR_MID			2               /* Matches ROM configuration */
278 #define KS_G1			(1 << JR_MID)   /* CAAM only */
279 #define PERM			0x0000B008      /* Clear on release, lock SMAP
280 						 * lock SMAG group 1 Blob */
281 
282 /* HAB WRAPPED KEY header */
283 #define WRP_HDR_SIZE		0x08
284 #define HDR_TAG			0x81
285 #define HDR_PAR			0x41
286 /* HAB WRAPPED KEY Data */
287 #define HAB_MOD			0x66
288 #define HAB_ALG			0x55
289 #define HAB_FLG			0x00
290 
291 /* Partition and Page IDs */
292 #define PARTITION_1	1
293 #define PAGE_1			1
294 
295 #define ERROR_IN_PAGE_ALLOC	1
296 #define ECONSTRJDESC   -1
297 
298 #endif
299 
300 /* blob_dek:
301  * Encapsulates the src in a secure blob and stores it dst
302  * @src: reference to the plaintext
303  * @dst: reference to the output adrress
304  * @len: size in bytes of src
305  * @return: 0 on success, error otherwise
306  */
307 int blob_dek(const u8 *src, u8 *dst, u8 len);
308 
309 #if defined(CONFIG_ARCH_C29X)
310 int sec_init_idx(uint8_t);
311 #endif
312 int sec_init(void);
313 #endif
314 
315 #endif /* __FSL_SEC_H */
316