xref: /openbmc/u-boot/include/fsl_sec.h (revision 544acb07)
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 #else
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 	u32 rdsta;		/*RNG DRNG Status Register*/
71 	u32 rsvd2[15];
72 };
73 
74 typedef struct ccsr_sec {
75 	u32	res0;
76 	u32	mcfgr;		/* Master CFG Register */
77 	u8	res1[0x4];
78 	u32	scfgr;
79 	struct {
80 		u32	ms;	/* Job Ring LIODN Register, MS */
81 		u32	ls;	/* Job Ring LIODN Register, LS */
82 	} jrliodnr[4];
83 	u8	res2[0x2c];
84 	u32	jrstartr;	/* Job Ring Start Register */
85 	struct {
86 		u32	ms;	/* RTIC LIODN Register, MS */
87 		u32	ls;	/* RTIC LIODN Register, LS */
88 	} rticliodnr[4];
89 	u8	res3[0x1c];
90 	u32	decorr;		/* DECO Request Register */
91 	struct {
92 		u32	ms;	/* DECO LIODN Register, MS */
93 		u32	ls;	/* DECO LIODN Register, LS */
94 	} decoliodnr[8];
95 	u8	res4[0x40];
96 	u32	dar;		/* DECO Avail Register */
97 	u32	drr;		/* DECO Reset Register */
98 	u8	res5[0x4d8];
99 	struct rng4tst rng;	/* RNG Registers */
100 	u8	res11[0x8a0];
101 	u32	crnr_ms;	/* CHA Revision Number Register, MS */
102 	u32	crnr_ls;	/* CHA Revision Number Register, LS */
103 	u32	ctpr_ms;	/* Compile Time Parameters Register, MS */
104 	u32	ctpr_ls;	/* Compile Time Parameters Register, LS */
105 	u8	res6[0x10];
106 	u32	far_ms;		/* Fault Address Register, MS */
107 	u32	far_ls;		/* Fault Address Register, LS */
108 	u32	falr;		/* Fault Address LIODN Register */
109 	u32	fadr;		/* Fault Address Detail Register */
110 	u8	res7[0x4];
111 	u32	csta;		/* CAAM Status Register */
112 	u8	res8[0x8];
113 	u32	rvid;		/* Run Time Integrity Checking Version ID Reg.*/
114 	u32	ccbvid;		/* CHA Cluster Block Version ID Register */
115 	u32	chavid_ms;	/* CHA Version ID Register, MS */
116 	u32	chavid_ls;	/* CHA Version ID Register, LS */
117 	u32	chanum_ms;	/* CHA Number Register, MS */
118 	u32	chanum_ls;	/* CHA Number Register, LS */
119 	u32	secvid_ms;	/* SEC Version ID Register, MS */
120 	u32	secvid_ls;	/* SEC Version ID Register, LS */
121 	u8	res9[0x6020];
122 	u32	qilcr_ms;	/* Queue Interface LIODN CFG Register, MS */
123 	u32	qilcr_ls;	/* Queue Interface LIODN CFG Register, LS */
124 	u8	res10[0x8fd8];
125 } ccsr_sec_t;
126 
127 #define SEC_CTPR_MS_AXI_LIODN		0x08000000
128 #define SEC_CTPR_MS_QI			0x02000000
129 #define SEC_CTPR_MS_VIRT_EN_INCL	0x00000001
130 #define SEC_CTPR_MS_VIRT_EN_POR		0x00000002
131 #define SEC_RVID_MA			0x0f000000
132 #define SEC_CHANUM_MS_JRNUM_MASK	0xf0000000
133 #define SEC_CHANUM_MS_JRNUM_SHIFT	28
134 #define SEC_CHANUM_MS_DECONUM_MASK	0x0f000000
135 #define SEC_CHANUM_MS_DECONUM_SHIFT	24
136 #define SEC_SECVID_MS_IPID_MASK	0xffff0000
137 #define SEC_SECVID_MS_IPID_SHIFT	16
138 #define SEC_SECVID_MS_MAJ_REV_MASK	0x0000ff00
139 #define SEC_SECVID_MS_MAJ_REV_SHIFT	8
140 #define SEC_CCBVID_ERA_MASK		0xff000000
141 #define SEC_CCBVID_ERA_SHIFT		24
142 #define SEC_SCFGR_RDBENABLE		0x00000400
143 #define SEC_SCFGR_VIRT_EN		0x00008000
144 #define SEC_CHAVID_LS_RNG_SHIFT		16
145 #define SEC_CHAVID_RNG_LS_MASK		0x000f0000
146 
147 #define CONFIG_JRSTARTR_JR0		0x00000001
148 
149 struct jr_regs {
150 #if defined(CONFIG_SYS_FSL_SEC_LE) && !defined(CONFIG_MX6)
151 	u32 irba_l;
152 	u32 irba_h;
153 #else
154 	u32 irba_h;
155 	u32 irba_l;
156 #endif
157 	u32 rsvd1;
158 	u32 irs;
159 	u32 rsvd2;
160 	u32 irsa;
161 	u32 rsvd3;
162 	u32 irja;
163 #if defined(CONFIG_SYS_FSL_SEC_LE) && !defined(CONFIG_MX6)
164 	u32 orba_l;
165 	u32 orba_h;
166 #else
167 	u32 orba_h;
168 	u32 orba_l;
169 #endif
170 	u32 rsvd4;
171 	u32 ors;
172 	u32 rsvd5;
173 	u32 orjr;
174 	u32 rsvd6;
175 	u32 orsf;
176 	u32 rsvd7;
177 	u32 jrsta;
178 	u32 rsvd8;
179 	u32 jrint;
180 	u32 jrcfg0;
181 	u32 jrcfg1;
182 	u32 rsvd9;
183 	u32 irri;
184 	u32 rsvd10;
185 	u32 orwi;
186 	u32 rsvd11;
187 	u32 jrcr;
188 };
189 
190 /*
191  * Scatter Gather Entry - Specifies the the Scatter Gather Format
192  * related information
193  */
194 struct sg_entry {
195 #if defined(CONFIG_SYS_FSL_SEC_LE) && !defined(CONFIG_MX6)
196 	uint32_t addr_lo;	/* Memory Address - lo */
197 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
198 #else
199 	uint32_t addr_hi;	/* Memory Address of start of buffer - hi */
200 	uint32_t addr_lo;	/* Memory Address - lo */
201 #endif
202 
203 	uint32_t len_flag;	/* Length of the data in the frame */
204 #define SG_ENTRY_LENGTH_MASK	0x3FFFFFFF
205 #define SG_ENTRY_EXTENSION_BIT	0x80000000
206 #define SG_ENTRY_FINAL_BIT	0x40000000
207 	uint32_t bpid_offset;
208 #define SG_ENTRY_BPID_MASK	0x00FF0000
209 #define SG_ENTRY_BPID_SHIFT	16
210 #define SG_ENTRY_OFFSET_MASK	0x00001FFF
211 #define SG_ENTRY_OFFSET_SHIFT	0
212 };
213 
214 #ifdef CONFIG_MX6
215 /* CAAM Job Ring 0 Registers */
216 /* Secure Memory Partition Owner register */
217 #define SMCSJR_PO		(3 << 6)
218 /* JR Allocation Error */
219 #define SMCSJR_AERR		(3 << 12)
220 /* Secure memory partition 0 page 0 owner register */
221 #define CAAM_SMPO_0		CONFIG_SYS_FSL_SEC_ADDR + 0x1FBC
222 /* Secure memory command register */
223 #define CAAM_SMCJR0		CONFIG_SYS_FSL_SEC_ADDR + 0x10f4
224 /* Secure memory command status register */
225 #define CAAM_SMCSJR0		CONFIG_SYS_FSL_SEC_ADDR + 0x10fc
226 /* Secure memory access permissions register */
227 #define CAAM_SMAPJR0(y)	(CONFIG_SYS_FSL_SEC_ADDR + 0x1104 + y*16)
228 /* Secure memory access group 2 register */
229 #define CAAM_SMAG2JR0(y)	(CONFIG_SYS_FSL_SEC_ADDR + 0x1108 + y*16)
230 /* Secure memory access group 1 register */
231 #define CAAM_SMAG1JR0(y)	(CONFIG_SYS_FSL_SEC_ADDR + 0x110C + y*16)
232 
233 /* Commands and macros for secure memory */
234 #define CMD_PAGE_ALLOC		0x1
235 #define CMD_PAGE_DEALLOC	0x2
236 #define CMD_PART_DEALLOC	0x3
237 #define CMD_INQUIRY		0x5
238 #define CMD_COMPLETE		(3 << 14)
239 #define PAGE_AVAILABLE		0
240 #define PAGE_OWNED		(3 << 6)
241 #define PAGE(x)			(x << 16)
242 #define PARTITION(x)		(x << 8)
243 #define PARTITION_OWNER(x)	(0x3 << (x*2))
244 
245 /* Address of secure 4kbyte pages */
246 #define SEC_MEM_PAGE0		CAAM_ARB_BASE_ADDR
247 #define SEC_MEM_PAGE1		(CAAM_ARB_BASE_ADDR + 0x1000)
248 #define SEC_MEM_PAGE2		(CAAM_ARB_BASE_ADDR + 0x2000)
249 #define SEC_MEM_PAGE3		(CAAM_ARB_BASE_ADDR + 0x3000)
250 
251 #define JR_MID			2               /* Matches ROM configuration */
252 #define KS_G1			(1 << JR_MID)   /* CAAM only */
253 #define PERM			0x0000B008      /* Clear on release, lock SMAP
254 						 * lock SMAG group 1 Blob */
255 
256 #define BLOB_SIZE(x)       (x + 32 + 16) /* Blob buffer size */
257 
258 /* HAB WRAPPED KEY header */
259 #define WRP_HDR_SIZE		0x08
260 #define HDR_TAG			0x81
261 #define HDR_PAR			0x41
262 /* HAB WRAPPED KEY Data */
263 #define HAB_MOD			0x66
264 #define HAB_ALG			0x55
265 #define HAB_FLG			0x00
266 
267 /* Partition and Page IDs */
268 #define PARTITION_1	1
269 #define PAGE_1			1
270 
271 #define ERROR_IN_PAGE_ALLOC	1
272 #define ECONSTRJDESC   -1
273 
274 #endif
275 
276 int sec_init(void);
277 
278 /* blob_dek:
279  * Encapsulates the src in a secure blob and stores it dst
280  * @src: reference to the plaintext
281  * @dst: reference to the output adrress
282  * @len: size in bytes of src
283  * @return: 0 on success, error otherwise
284  */
285 int blob_dek(const u8 *src, u8 *dst, u8 len);
286 
287 #endif
288 
289 #endif /* __FSL_SEC_H */
290