1 /*
2  * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 #ifndef ARM_DEF_H
7 #define ARM_DEF_H
8 
9 #include <arch.h>
10 #include <common/interrupt_props.h>
11 #include <common/tbbr/tbbr_img_def.h>
12 #include <drivers/arm/gic_common.h>
13 #include <lib/utils_def.h>
14 #include <lib/xlat_tables/xlat_tables_defs.h>
15 #include <plat/arm/common/smccc_def.h>
16 #include <plat/common/common_def.h>
17 
18 /******************************************************************************
19  * Definitions common to all ARM standard platforms
20  *****************************************************************************/
21 
22 /*
23  * Root of trust key hash lengths
24  */
25 #define ARM_ROTPK_HEADER_LEN		19
26 #define ARM_ROTPK_HASH_LEN		32
27 
28 /* Special value used to verify platform parameters from BL2 to BL31 */
29 #define ARM_BL31_PLAT_PARAM_VAL		ULL(0x0f1e2d3c4b5a6978)
30 
31 #define ARM_SYSTEM_COUNT		U(1)
32 
33 #define ARM_CACHE_WRITEBACK_SHIFT	6
34 
35 /*
36  * Macros mapping the MPIDR Affinity levels to ARM Platform Power levels. The
37  * power levels have a 1:1 mapping with the MPIDR affinity levels.
38  */
39 #define ARM_PWR_LVL0		MPIDR_AFFLVL0
40 #define ARM_PWR_LVL1		MPIDR_AFFLVL1
41 #define ARM_PWR_LVL2		MPIDR_AFFLVL2
42 #define ARM_PWR_LVL3		MPIDR_AFFLVL3
43 
44 /*
45  *  Macros for local power states in ARM platforms encoded by State-ID field
46  *  within the power-state parameter.
47  */
48 /* Local power state for power domains in Run state. */
49 #define ARM_LOCAL_STATE_RUN	U(0)
50 /* Local power state for retention. Valid only for CPU power domains */
51 #define ARM_LOCAL_STATE_RET	U(1)
52 /* Local power state for OFF/power-down. Valid for CPU and cluster power
53    domains */
54 #define ARM_LOCAL_STATE_OFF	U(2)
55 
56 /* Memory location options for TSP */
57 #define ARM_TRUSTED_SRAM_ID		0
58 #define ARM_TRUSTED_DRAM_ID		1
59 #define ARM_DRAM_ID			2
60 
61 /* The first 4KB of Trusted SRAM are used as shared memory */
62 #define ARM_TRUSTED_SRAM_BASE		UL(0x04000000)
63 #define ARM_SHARED_RAM_BASE		ARM_TRUSTED_SRAM_BASE
64 #define ARM_SHARED_RAM_SIZE		UL(0x00001000)	/* 4 KB */
65 
66 /* The remaining Trusted SRAM is used to load the BL images */
67 #define ARM_BL_RAM_BASE			(ARM_SHARED_RAM_BASE +	\
68 					 ARM_SHARED_RAM_SIZE)
69 #define ARM_BL_RAM_SIZE			(PLAT_ARM_TRUSTED_SRAM_SIZE -	\
70 					 ARM_SHARED_RAM_SIZE)
71 
72 /*
73  * The top 16MB of DRAM1 is configured as secure access only using the TZC
74  *   - SCP TZC DRAM: If present, DRAM reserved for SCP use
75  *   - AP TZC DRAM: The remaining TZC secured DRAM reserved for AP use
76  */
77 #define ARM_TZC_DRAM1_SIZE		UL(0x01000000)
78 
79 #define ARM_SCP_TZC_DRAM1_BASE		(ARM_DRAM1_BASE +		\
80 					 ARM_DRAM1_SIZE -		\
81 					 ARM_SCP_TZC_DRAM1_SIZE)
82 #define ARM_SCP_TZC_DRAM1_SIZE		PLAT_ARM_SCP_TZC_DRAM1_SIZE
83 #define ARM_SCP_TZC_DRAM1_END		(ARM_SCP_TZC_DRAM1_BASE +	\
84 					 ARM_SCP_TZC_DRAM1_SIZE - 1U)
85 
86 /*
87  * Define a 2MB region within the TZC secured DRAM for use by EL3 runtime
88  * firmware. This region is meant to be NOLOAD and will not be zero
89  * initialized. Data sections with the attribute `arm_el3_tzc_dram` will be
90  * placed here.
91  */
92 #define ARM_EL3_TZC_DRAM1_BASE		(ARM_SCP_TZC_DRAM1_BASE - ARM_EL3_TZC_DRAM1_SIZE)
93 #define ARM_EL3_TZC_DRAM1_SIZE		UL(0x00200000) /* 2 MB */
94 #define ARM_EL3_TZC_DRAM1_END		(ARM_EL3_TZC_DRAM1_BASE +	\
95 					ARM_EL3_TZC_DRAM1_SIZE - 1U)
96 
97 #define ARM_AP_TZC_DRAM1_BASE		(ARM_DRAM1_BASE +		\
98 					 ARM_DRAM1_SIZE -		\
99 					 ARM_TZC_DRAM1_SIZE)
100 #define ARM_AP_TZC_DRAM1_SIZE		(ARM_TZC_DRAM1_SIZE -		\
101 					 (ARM_SCP_TZC_DRAM1_SIZE +	\
102 					 ARM_EL3_TZC_DRAM1_SIZE))
103 #define ARM_AP_TZC_DRAM1_END		(ARM_AP_TZC_DRAM1_BASE +	\
104 					 ARM_AP_TZC_DRAM1_SIZE - 1U)
105 
106 /* Define the Access permissions for Secure peripherals to NS_DRAM */
107 #if ARM_CRYPTOCELL_INTEG
108 /*
109  * Allow Secure peripheral to read NS DRAM when integrated with CryptoCell.
110  * This is required by CryptoCell to authenticate BL33 which is loaded
111  * into the Non Secure DDR.
112  */
113 #define ARM_TZC_NS_DRAM_S_ACCESS	TZC_REGION_S_RD
114 #else
115 #define ARM_TZC_NS_DRAM_S_ACCESS	TZC_REGION_S_NONE
116 #endif
117 
118 #ifdef SPD_opteed
119 /*
120  * BL2 needs to map 4MB at the end of TZC_DRAM1 in order to
121  * load/authenticate the trusted os extra image. The first 512KB of
122  * TZC_DRAM1 are reserved for trusted os (OPTEE). The extra image loading
123  * for OPTEE is paged image which only include the paging part using
124  * virtual memory but without "init" data. OPTEE will copy the "init" data
125  * (from pager image) to the first 512KB of TZC_DRAM, and then copy the
126  * extra image behind the "init" data.
127  */
128 #define ARM_OPTEE_PAGEABLE_LOAD_BASE	(ARM_AP_TZC_DRAM1_BASE + \
129 					 ARM_AP_TZC_DRAM1_SIZE - \
130 					 ARM_OPTEE_PAGEABLE_LOAD_SIZE)
131 #define ARM_OPTEE_PAGEABLE_LOAD_SIZE	UL(0x400000)
132 #define ARM_OPTEE_PAGEABLE_LOAD_MEM	MAP_REGION_FLAT(		\
133 					ARM_OPTEE_PAGEABLE_LOAD_BASE,	\
134 					ARM_OPTEE_PAGEABLE_LOAD_SIZE,	\
135 					MT_MEMORY | MT_RW | MT_SECURE)
136 
137 /*
138  * Map the memory for the OP-TEE core (also known as OP-TEE pager when paging
139  * support is enabled).
140  */
141 #define ARM_MAP_OPTEE_CORE_MEM		MAP_REGION_FLAT(		\
142 						BL32_BASE,		\
143 						BL32_LIMIT - BL32_BASE,	\
144 						MT_MEMORY | MT_RW | MT_SECURE)
145 #endif /* SPD_opteed */
146 
147 #define ARM_NS_DRAM1_BASE		ARM_DRAM1_BASE
148 #define ARM_NS_DRAM1_SIZE		(ARM_DRAM1_SIZE -		\
149 					 ARM_TZC_DRAM1_SIZE)
150 #define ARM_NS_DRAM1_END		(ARM_NS_DRAM1_BASE +		\
151 					 ARM_NS_DRAM1_SIZE - 1U)
152 
153 #define ARM_DRAM1_BASE			ULL(0x80000000)
154 #define ARM_DRAM1_SIZE			ULL(0x80000000)
155 #define ARM_DRAM1_END			(ARM_DRAM1_BASE +		\
156 					 ARM_DRAM1_SIZE - 1U)
157 
158 #define ARM_DRAM2_BASE			PLAT_ARM_DRAM2_BASE
159 #define ARM_DRAM2_SIZE			PLAT_ARM_DRAM2_SIZE
160 #define ARM_DRAM2_END			(ARM_DRAM2_BASE +		\
161 					 ARM_DRAM2_SIZE - 1U)
162 
163 #define ARM_IRQ_SEC_PHY_TIMER		29
164 
165 #define ARM_IRQ_SEC_SGI_0		8
166 #define ARM_IRQ_SEC_SGI_1		9
167 #define ARM_IRQ_SEC_SGI_2		10
168 #define ARM_IRQ_SEC_SGI_3		11
169 #define ARM_IRQ_SEC_SGI_4		12
170 #define ARM_IRQ_SEC_SGI_5		13
171 #define ARM_IRQ_SEC_SGI_6		14
172 #define ARM_IRQ_SEC_SGI_7		15
173 
174 /*
175  * Define a list of Group 1 Secure and Group 0 interrupt properties as per GICv3
176  * terminology. On a GICv2 system or mode, the lists will be merged and treated
177  * as Group 0 interrupts.
178  */
179 #define ARM_G1S_IRQ_PROPS(grp) \
180 	INTR_PROP_DESC(ARM_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, (grp), \
181 			GIC_INTR_CFG_LEVEL), \
182 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, (grp), \
183 			GIC_INTR_CFG_EDGE), \
184 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, (grp), \
185 			GIC_INTR_CFG_EDGE), \
186 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, (grp), \
187 			GIC_INTR_CFG_EDGE), \
188 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, (grp), \
189 			GIC_INTR_CFG_EDGE), \
190 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, (grp), \
191 			GIC_INTR_CFG_EDGE), \
192 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, (grp), \
193 			GIC_INTR_CFG_EDGE)
194 
195 #define ARM_G0_IRQ_PROPS(grp) \
196 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_0, PLAT_SDEI_NORMAL_PRI, (grp), \
197 			GIC_INTR_CFG_EDGE), \
198 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, (grp), \
199 			GIC_INTR_CFG_EDGE)
200 
201 #define ARM_MAP_SHARED_RAM		MAP_REGION_FLAT(		\
202 						ARM_SHARED_RAM_BASE,	\
203 						ARM_SHARED_RAM_SIZE,	\
204 						MT_DEVICE | MT_RW | MT_SECURE)
205 
206 #define ARM_MAP_NS_DRAM1		MAP_REGION_FLAT(		\
207 						ARM_NS_DRAM1_BASE,	\
208 						ARM_NS_DRAM1_SIZE,	\
209 						MT_MEMORY | MT_RW | MT_NS)
210 
211 #define ARM_MAP_DRAM2			MAP_REGION_FLAT(		\
212 						ARM_DRAM2_BASE,		\
213 						ARM_DRAM2_SIZE,		\
214 						MT_MEMORY | MT_RW | MT_NS)
215 
216 #define ARM_MAP_TSP_SEC_MEM		MAP_REGION_FLAT(		\
217 						TSP_SEC_MEM_BASE,	\
218 						TSP_SEC_MEM_SIZE,	\
219 						MT_MEMORY | MT_RW | MT_SECURE)
220 
221 #if ARM_BL31_IN_DRAM
222 #define ARM_MAP_BL31_SEC_DRAM		MAP_REGION_FLAT(		\
223 						BL31_BASE,		\
224 						PLAT_ARM_MAX_BL31_SIZE,	\
225 						MT_MEMORY | MT_RW | MT_SECURE)
226 #endif
227 
228 #define ARM_MAP_EL3_TZC_DRAM		MAP_REGION_FLAT(			\
229 						ARM_EL3_TZC_DRAM1_BASE,	\
230 						ARM_EL3_TZC_DRAM1_SIZE,	\
231 						MT_MEMORY | MT_RW | MT_SECURE)
232 
233 #if defined(SPD_spmd)
234 #define ARM_MAP_TRUSTED_DRAM		MAP_REGION_FLAT(		    \
235 						PLAT_ARM_TRUSTED_DRAM_BASE, \
236 						PLAT_ARM_TRUSTED_DRAM_SIZE, \
237 						MT_MEMORY | MT_RW | MT_SECURE)
238 #endif
239 
240 
241 /*
242  * Mapping for the BL1 RW region. This mapping is needed by BL2 in order to
243  * share the Mbed TLS heap. Since the heap is allocated inside BL1, it resides
244  * in the BL1 RW region. Hence, BL2 needs access to the BL1 RW region in order
245  * to be able to access the heap.
246  */
247 #define ARM_MAP_BL1_RW		MAP_REGION_FLAT(	\
248 					BL1_RW_BASE,	\
249 					BL1_RW_LIMIT - BL1_RW_BASE, \
250 					MT_MEMORY | MT_RW | MT_SECURE)
251 
252 /*
253  * If SEPARATE_CODE_AND_RODATA=1 we define a region for each section
254  * otherwise one region is defined containing both.
255  */
256 #if SEPARATE_CODE_AND_RODATA
257 #define ARM_MAP_BL_RO			MAP_REGION_FLAT(			\
258 						BL_CODE_BASE,			\
259 						BL_CODE_END - BL_CODE_BASE,	\
260 						MT_CODE | MT_SECURE),		\
261 					MAP_REGION_FLAT(			\
262 						BL_RO_DATA_BASE,		\
263 						BL_RO_DATA_END			\
264 							- BL_RO_DATA_BASE,	\
265 						MT_RO_DATA | MT_SECURE)
266 #else
267 #define ARM_MAP_BL_RO			MAP_REGION_FLAT(			\
268 						BL_CODE_BASE,			\
269 						BL_CODE_END - BL_CODE_BASE,	\
270 						MT_CODE | MT_SECURE)
271 #endif
272 #if USE_COHERENT_MEM
273 #define ARM_MAP_BL_COHERENT_RAM		MAP_REGION_FLAT(			\
274 						BL_COHERENT_RAM_BASE,		\
275 						BL_COHERENT_RAM_END		\
276 							- BL_COHERENT_RAM_BASE, \
277 						MT_DEVICE | MT_RW | MT_SECURE)
278 #endif
279 #if USE_ROMLIB
280 #define ARM_MAP_ROMLIB_CODE		MAP_REGION_FLAT(			\
281 						ROMLIB_RO_BASE,			\
282 						ROMLIB_RO_LIMIT	- ROMLIB_RO_BASE,\
283 						MT_CODE | MT_SECURE)
284 
285 #define ARM_MAP_ROMLIB_DATA		MAP_REGION_FLAT(			\
286 						ROMLIB_RW_BASE,			\
287 						ROMLIB_RW_END	- ROMLIB_RW_BASE,\
288 						MT_MEMORY | MT_RW | MT_SECURE)
289 #endif
290 
291 /*
292  * Map mem_protect flash region with read and write permissions
293  */
294 #define ARM_V2M_MAP_MEM_PROTECT		MAP_REGION_FLAT(PLAT_ARM_MEM_PROT_ADDR,	\
295 						V2M_FLASH_BLOCK_SIZE,		\
296 						MT_DEVICE | MT_RW | MT_SECURE)
297 /*
298  * Map the region for device tree configuration with read and write permissions
299  */
300 #define ARM_MAP_BL_CONFIG_REGION	MAP_REGION_FLAT(ARM_BL_RAM_BASE,	\
301 						(ARM_FW_CONFIGS_LIMIT		\
302 							- ARM_BL_RAM_BASE),	\
303 						MT_MEMORY | MT_RW | MT_SECURE)
304 
305 /*
306  * The max number of regions like RO(code), coherent and data required by
307  * different BL stages which need to be mapped in the MMU.
308  */
309 #define ARM_BL_REGIONS			6
310 
311 #define MAX_MMAP_REGIONS		(PLAT_ARM_MMAP_ENTRIES +	\
312 					 ARM_BL_REGIONS)
313 
314 /* Memory mapped Generic timer interfaces  */
315 #define ARM_SYS_CNTCTL_BASE		UL(0x2a430000)
316 #define ARM_SYS_CNTREAD_BASE		UL(0x2a800000)
317 #define ARM_SYS_TIMCTL_BASE		UL(0x2a810000)
318 #define ARM_SYS_CNT_BASE_S		UL(0x2a820000)
319 #define ARM_SYS_CNT_BASE_NS		UL(0x2a830000)
320 
321 #define ARM_CONSOLE_BAUDRATE		115200
322 
323 /* Trusted Watchdog constants */
324 #define ARM_SP805_TWDG_BASE		UL(0x2a490000)
325 #define ARM_SP805_TWDG_CLK_HZ		32768
326 /* The TBBR document specifies a watchdog timeout of 256 seconds. SP805
327  * asserts reset after two consecutive countdowns (2 x 128 = 256 sec) */
328 #define ARM_TWDG_TIMEOUT_SEC		128
329 #define ARM_TWDG_LOAD_VAL		(ARM_SP805_TWDG_CLK_HZ * 	\
330 					 ARM_TWDG_TIMEOUT_SEC)
331 
332 /******************************************************************************
333  * Required platform porting definitions common to all ARM standard platforms
334  *****************************************************************************/
335 
336 /*
337  * This macro defines the deepest retention state possible. A higher state
338  * id will represent an invalid or a power down state.
339  */
340 #define PLAT_MAX_RET_STATE		ARM_LOCAL_STATE_RET
341 
342 /*
343  * This macro defines the deepest power down states possible. Any state ID
344  * higher than this is invalid.
345  */
346 #define PLAT_MAX_OFF_STATE		ARM_LOCAL_STATE_OFF
347 
348 /*
349  * Some data must be aligned on the biggest cache line size in the platform.
350  * This is known only to the platform as it might have a combination of
351  * integrated and external caches.
352  */
353 #define CACHE_WRITEBACK_GRANULE		(U(1) << ARM_CACHE_WRITEBACK_SHIFT)
354 
355 /*
356  * To enable FW_CONFIG to be loaded by BL1, define the corresponding base
357  * and limit. Leave enough space of BL2 meminfo.
358  */
359 #define ARM_FW_CONFIG_BASE		(ARM_BL_RAM_BASE + sizeof(meminfo_t))
360 #define ARM_FW_CONFIG_LIMIT		((ARM_BL_RAM_BASE + PAGE_SIZE) \
361 					+ (PAGE_SIZE / 2U))
362 
363 /*
364  * Boot parameters passed from BL2 to BL31/BL32 are stored here
365  */
366 #define ARM_BL2_MEM_DESC_BASE		(ARM_FW_CONFIG_LIMIT)
367 #define ARM_BL2_MEM_DESC_LIMIT		(ARM_BL2_MEM_DESC_BASE \
368 					+ (PAGE_SIZE / 2U))
369 
370 /*
371  * Define limit of firmware configuration memory:
372  * ARM_FW_CONFIG + ARM_BL2_MEM_DESC memory
373  */
374 #define ARM_FW_CONFIGS_LIMIT		(ARM_BL_RAM_BASE + (PAGE_SIZE * 2))
375 
376 /*******************************************************************************
377  * BL1 specific defines.
378  * BL1 RW data is relocated from ROM to RAM at runtime so we need 2 sets of
379  * addresses.
380  ******************************************************************************/
381 #define BL1_RO_BASE			PLAT_ARM_TRUSTED_ROM_BASE
382 #define BL1_RO_LIMIT			(PLAT_ARM_TRUSTED_ROM_BASE	\
383 					 + (PLAT_ARM_TRUSTED_ROM_SIZE - \
384 					    PLAT_ARM_MAX_ROMLIB_RO_SIZE))
385 /*
386  * Put BL1 RW at the top of the Trusted SRAM.
387  */
388 #define BL1_RW_BASE			(ARM_BL_RAM_BASE +		\
389 						ARM_BL_RAM_SIZE -	\
390 						(PLAT_ARM_MAX_BL1_RW_SIZE +\
391 						 PLAT_ARM_MAX_ROMLIB_RW_SIZE))
392 #define BL1_RW_LIMIT			(ARM_BL_RAM_BASE + 		\
393 					    (ARM_BL_RAM_SIZE - PLAT_ARM_MAX_ROMLIB_RW_SIZE))
394 
395 #define ROMLIB_RO_BASE			BL1_RO_LIMIT
396 #define ROMLIB_RO_LIMIT			(PLAT_ARM_TRUSTED_ROM_BASE + PLAT_ARM_TRUSTED_ROM_SIZE)
397 
398 #define ROMLIB_RW_BASE			(BL1_RW_BASE + PLAT_ARM_MAX_BL1_RW_SIZE)
399 #define ROMLIB_RW_END			(ROMLIB_RW_BASE + PLAT_ARM_MAX_ROMLIB_RW_SIZE)
400 
401 /*******************************************************************************
402  * BL2 specific defines.
403  ******************************************************************************/
404 #if BL2_AT_EL3
405 /* Put BL2 towards the middle of the Trusted SRAM */
406 #define BL2_BASE			(ARM_TRUSTED_SRAM_BASE + \
407 						(PLAT_ARM_TRUSTED_SRAM_SIZE >> 1) + 0x2000)
408 #define BL2_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
409 
410 #else
411 /*
412  * Put BL2 just below BL1.
413  */
414 #define BL2_BASE			(BL1_RW_BASE - PLAT_ARM_MAX_BL2_SIZE)
415 #define BL2_LIMIT			BL1_RW_BASE
416 #endif
417 
418 /*******************************************************************************
419  * BL31 specific defines.
420  ******************************************************************************/
421 #if ARM_BL31_IN_DRAM || SEPARATE_NOBITS_REGION
422 /*
423  * Put BL31 at the bottom of TZC secured DRAM
424  */
425 #define BL31_BASE			ARM_AP_TZC_DRAM1_BASE
426 #define BL31_LIMIT			(ARM_AP_TZC_DRAM1_BASE +	\
427 						PLAT_ARM_MAX_BL31_SIZE)
428 /*
429  * For SEPARATE_NOBITS_REGION, BL31 PROGBITS are loaded in TZC secured DRAM.
430  * And BL31 NOBITS are loaded in Trusted SRAM such that BL2 is overwritten.
431  */
432 #if SEPARATE_NOBITS_REGION
433 #define BL31_NOBITS_BASE		BL2_BASE
434 #define BL31_NOBITS_LIMIT		BL2_LIMIT
435 #endif /* SEPARATE_NOBITS_REGION */
436 #elif (RESET_TO_BL31)
437 /* Ensure Position Independent support (PIE) is enabled for this config.*/
438 # if !ENABLE_PIE
439 #  error "BL31 must be a PIE if RESET_TO_BL31=1."
440 #endif
441 /*
442  * Since this is PIE, we can define BL31_BASE to 0x0 since this macro is solely
443  * used for building BL31 and not used for loading BL31.
444  */
445 #  define BL31_BASE			0x0
446 #  define BL31_LIMIT			PLAT_ARM_MAX_BL31_SIZE
447 #else
448 /* Put BL31 below BL2 in the Trusted SRAM.*/
449 #define BL31_BASE			((ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)\
450 						- PLAT_ARM_MAX_BL31_SIZE)
451 #define BL31_PROGBITS_LIMIT		BL2_BASE
452 /*
453  * For BL2_AT_EL3 make sure the BL31 can grow up until BL2_BASE. This is
454  * because in the BL2_AT_EL3 configuration, BL2 is always resident.
455  */
456 #if BL2_AT_EL3
457 #define BL31_LIMIT			BL2_BASE
458 #else
459 #define BL31_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
460 #endif
461 #endif
462 
463 #if !defined(__aarch64__) || JUNO_AARCH32_EL3_RUNTIME
464 /*******************************************************************************
465  * BL32 specific defines for EL3 runtime in AArch32 mode
466  ******************************************************************************/
467 # if RESET_TO_SP_MIN && !JUNO_AARCH32_EL3_RUNTIME
468 /*
469  * SP_MIN is the only BL image in SRAM. Allocate the whole of SRAM (excluding
470  * the page reserved for fw_configs) to BL32
471  */
472 #  define BL32_BASE			ARM_FW_CONFIGS_LIMIT
473 #  define BL32_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
474 # else
475 /* Put BL32 below BL2 in the Trusted SRAM.*/
476 #  define BL32_BASE			((ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)\
477 						- PLAT_ARM_MAX_BL32_SIZE)
478 #  define BL32_PROGBITS_LIMIT		BL2_BASE
479 #  define BL32_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
480 # endif /* RESET_TO_SP_MIN && !JUNO_AARCH32_EL3_RUNTIME */
481 
482 #else
483 /*******************************************************************************
484  * BL32 specific defines for EL3 runtime in AArch64 mode
485  ******************************************************************************/
486 /*
487  * On ARM standard platforms, the TSP can execute from Trusted SRAM,
488  * Trusted DRAM (if available) or the DRAM region secured by the TrustZone
489  * controller.
490  */
491 # if SPM_MM
492 #  define TSP_SEC_MEM_BASE		(ARM_AP_TZC_DRAM1_BASE + ULL(0x200000))
493 #  define TSP_SEC_MEM_SIZE		(ARM_AP_TZC_DRAM1_SIZE - ULL(0x200000))
494 #  define BL32_BASE			(ARM_AP_TZC_DRAM1_BASE + ULL(0x200000))
495 #  define BL32_LIMIT			(ARM_AP_TZC_DRAM1_BASE +	\
496 						ARM_AP_TZC_DRAM1_SIZE)
497 # elif defined(SPD_spmd)
498 #  define TSP_SEC_MEM_BASE		(ARM_AP_TZC_DRAM1_BASE + ULL(0x200000))
499 #  define TSP_SEC_MEM_SIZE		(ARM_AP_TZC_DRAM1_SIZE - ULL(0x200000))
500 #  define BL32_BASE			PLAT_ARM_SPMC_BASE
501 #  define BL32_LIMIT			(PLAT_ARM_SPMC_BASE +		\
502 						 PLAT_ARM_SPMC_SIZE)
503 # elif ARM_BL31_IN_DRAM
504 #  define TSP_SEC_MEM_BASE		(ARM_AP_TZC_DRAM1_BASE +	\
505 						PLAT_ARM_MAX_BL31_SIZE)
506 #  define TSP_SEC_MEM_SIZE		(ARM_AP_TZC_DRAM1_SIZE -	\
507 						PLAT_ARM_MAX_BL31_SIZE)
508 #  define BL32_BASE			(ARM_AP_TZC_DRAM1_BASE +	\
509 						PLAT_ARM_MAX_BL31_SIZE)
510 #  define BL32_LIMIT			(ARM_AP_TZC_DRAM1_BASE +	\
511 						ARM_AP_TZC_DRAM1_SIZE)
512 # elif ARM_TSP_RAM_LOCATION_ID == ARM_TRUSTED_SRAM_ID
513 #  define TSP_SEC_MEM_BASE		ARM_BL_RAM_BASE
514 #  define TSP_SEC_MEM_SIZE		ARM_BL_RAM_SIZE
515 #  define TSP_PROGBITS_LIMIT		BL31_BASE
516 #  define BL32_BASE			ARM_FW_CONFIGS_LIMIT
517 #  define BL32_LIMIT			BL31_BASE
518 # elif ARM_TSP_RAM_LOCATION_ID == ARM_TRUSTED_DRAM_ID
519 #  define TSP_SEC_MEM_BASE		PLAT_ARM_TRUSTED_DRAM_BASE
520 #  define TSP_SEC_MEM_SIZE		PLAT_ARM_TRUSTED_DRAM_SIZE
521 #  define BL32_BASE			PLAT_ARM_TRUSTED_DRAM_BASE
522 #  define BL32_LIMIT			(PLAT_ARM_TRUSTED_DRAM_BASE	\
523 						+ (UL(1) << 21))
524 # elif ARM_TSP_RAM_LOCATION_ID == ARM_DRAM_ID
525 #  define TSP_SEC_MEM_BASE		ARM_AP_TZC_DRAM1_BASE
526 #  define TSP_SEC_MEM_SIZE		ARM_AP_TZC_DRAM1_SIZE
527 #  define BL32_BASE			ARM_AP_TZC_DRAM1_BASE
528 #  define BL32_LIMIT			(ARM_AP_TZC_DRAM1_BASE +	\
529 						ARM_AP_TZC_DRAM1_SIZE)
530 # else
531 #  error "Unsupported ARM_TSP_RAM_LOCATION_ID value"
532 # endif
533 #endif /* !__aarch64__ || JUNO_AARCH32_EL3_RUNTIME */
534 
535 /*
536  * BL32 is mandatory in AArch32. In AArch64, undefine BL32_BASE if there is no
537  * SPD and no SPM-MM, as they are the only ones that can be used as BL32.
538  */
539 #if defined(__aarch64__) && !JUNO_AARCH32_EL3_RUNTIME
540 # if defined(SPD_none) && !SPM_MM
541 #  undef BL32_BASE
542 # endif /* defined(SPD_none) && !SPM_MM */
543 #endif /* defined(__aarch64__) && !JUNO_AARCH32_EL3_RUNTIME */
544 
545 /*******************************************************************************
546  * FWU Images: NS_BL1U, BL2U & NS_BL2U defines.
547  ******************************************************************************/
548 #define BL2U_BASE			BL2_BASE
549 #define BL2U_LIMIT			BL2_LIMIT
550 
551 #define NS_BL2U_BASE			ARM_NS_DRAM1_BASE
552 #define NS_BL1U_BASE			(PLAT_ARM_NVM_BASE + UL(0x03EB8000))
553 
554 /*
555  * ID of the secure physical generic timer interrupt used by the TSP.
556  */
557 #define TSP_IRQ_SEC_PHY_TIMER		ARM_IRQ_SEC_PHY_TIMER
558 
559 
560 /*
561  * One cache line needed for bakery locks on ARM platforms
562  */
563 #define PLAT_PERCPU_BAKERY_LOCK_SIZE		(1 * CACHE_WRITEBACK_GRANULE)
564 
565 /* Priority levels for ARM platforms */
566 #define PLAT_RAS_PRI			0x10
567 #define PLAT_SDEI_CRITICAL_PRI		0x60
568 #define PLAT_SDEI_NORMAL_PRI		0x70
569 
570 /* ARM platforms use 3 upper bits of secure interrupt priority */
571 #define PLAT_PRI_BITS			3
572 
573 /* SGI used for SDEI signalling */
574 #define ARM_SDEI_SGI			ARM_IRQ_SEC_SGI_0
575 
576 #if SDEI_IN_FCONF
577 /* ARM SDEI dynamic private event max count */
578 #define ARM_SDEI_DP_EVENT_MAX_CNT	3
579 
580 /* ARM SDEI dynamic shared event max count */
581 #define ARM_SDEI_DS_EVENT_MAX_CNT	3
582 #else
583 /* ARM SDEI dynamic private event numbers */
584 #define ARM_SDEI_DP_EVENT_0		1000
585 #define ARM_SDEI_DP_EVENT_1		1001
586 #define ARM_SDEI_DP_EVENT_2		1002
587 
588 /* ARM SDEI dynamic shared event numbers */
589 #define ARM_SDEI_DS_EVENT_0		2000
590 #define ARM_SDEI_DS_EVENT_1		2001
591 #define ARM_SDEI_DS_EVENT_2		2002
592 
593 #define ARM_SDEI_PRIVATE_EVENTS \
594 	SDEI_DEFINE_EVENT_0(ARM_SDEI_SGI), \
595 	SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
596 	SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
597 	SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC)
598 
599 #define ARM_SDEI_SHARED_EVENTS \
600 	SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
601 	SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
602 	SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC)
603 #endif /* SDEI_IN_FCONF */
604 
605 #endif /* ARM_DEF_H */
606