1 /*
2  * Copyright (c) 2014-2022, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef PLATFORM_DEF_H
8 #define PLATFORM_DEF_H
9 
10 #include <arch.h>
11 #include <common/interrupt_props.h>
12 #include <drivers/arm/gic_common.h>
13 #include <lib/utils_def.h>
14 
15 #include "zynqmp_def.h"
16 
17 /*******************************************************************************
18  * Generic platform constants
19  ******************************************************************************/
20 
21 /* Size of cacheable stacks */
22 #define PLATFORM_STACK_SIZE 0x440
23 
24 #define PLATFORM_CORE_COUNT		U(4)
25 #define PLAT_NUM_POWER_DOMAINS		U(5)
26 #define PLAT_MAX_PWR_LVL		U(1)
27 #define PLAT_MAX_RET_STATE		U(1)
28 #define PLAT_MAX_OFF_STATE		U(2)
29 
30 /*******************************************************************************
31  * BL31 specific defines.
32  ******************************************************************************/
33 /*
34  * Put BL31 at the top of the Trusted SRAM (just below the shared memory, if
35  * present). BL31_BASE is calculated using the current BL31 debug size plus a
36  * little space for growth.
37  */
38 #ifndef ZYNQMP_ATF_MEM_BASE
39 #if !DEBUG && defined(SPD_none) && !SDEI_SUPPORT
40 # define BL31_BASE			U(0xfffea000)
41 # define BL31_LIMIT			U(0x100000000)
42 #else
43 # define BL31_BASE			U(0xfffe5000)
44 # define BL31_LIMIT			U(0x100000000)
45 #endif
46 #else
47 # define BL31_BASE			(ZYNQMP_ATF_MEM_BASE)
48 # define BL31_LIMIT			(ZYNQMP_ATF_MEM_BASE + ZYNQMP_ATF_MEM_SIZE - 1)
49 # ifdef ZYNQMP_ATF_MEM_PROGBITS_SIZE
50 #  define BL31_PROGBITS_LIMIT		(ZYNQMP_ATF_MEM_BASE + ZYNQMP_ATF_MEM_PROGBITS_SIZE - 1)
51 # endif
52 #endif
53 
54 /*******************************************************************************
55  * BL32 specific defines.
56  ******************************************************************************/
57 #ifndef ZYNQMP_BL32_MEM_BASE
58 # define BL32_BASE			U(0x60000000)
59 # define BL32_LIMIT			U(0x7fffffff)
60 #else
61 # define BL32_BASE			(ZYNQMP_BL32_MEM_BASE)
62 # define BL32_LIMIT			(ZYNQMP_BL32_MEM_BASE + ZYNQMP_BL32_MEM_SIZE - 1)
63 #endif
64 
65 /*******************************************************************************
66  * BL33 specific defines.
67  ******************************************************************************/
68 #ifndef PRELOADED_BL33_BASE
69 # define PLAT_ARM_NS_IMAGE_BASE	U(0x8000000)
70 #else
71 # define PLAT_ARM_NS_IMAGE_BASE	PRELOADED_BL33_BASE
72 #endif
73 
74 /*******************************************************************************
75  * TSP  specific defines.
76  ******************************************************************************/
77 #define TSP_SEC_MEM_BASE		BL32_BASE
78 #define TSP_SEC_MEM_SIZE		(BL32_LIMIT - BL32_BASE + 1)
79 
80 /* ID of the secure physical generic timer interrupt used by the TSP */
81 #define TSP_IRQ_SEC_PHY_TIMER		ARM_IRQ_SEC_PHY_TIMER
82 
83 /*******************************************************************************
84  * Platform specific page table and MMU setup constants
85  ******************************************************************************/
86 #define XILINX_OF_BOARD_DTB_ADDR	U(0x100000)
87 #define XILINX_OF_BOARD_DTB_MAX_SIZE	U(0x200000)
88 #define PLAT_DDR_LOWMEM_MAX		U(0x80000000)
89 
90 #define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
91 #define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)
92 #if (BL31_LIMIT < PLAT_DDR_LOWMEM_MAX)
93 #define MAX_MMAP_REGIONS		8
94 #define MAX_XLAT_TABLES			6
95 #else
96 #define MAX_MMAP_REGIONS		7
97 #define MAX_XLAT_TABLES			5
98 #endif
99 
100 #define CACHE_WRITEBACK_SHIFT   6
101 #define CACHE_WRITEBACK_GRANULE (1 << CACHE_WRITEBACK_SHIFT)
102 
103 #define ZYNQMP_SDEI_SGI_PRIVATE		U(8)
104 
105 /* Platform macros to support exception handling framework */
106 #define PLAT_PRI_BITS			U(3)
107 #define PLAT_SDEI_CRITICAL_PRI		0x10
108 #define PLAT_SDEI_NORMAL_PRI		0x20
109 
110 #define PLAT_ARM_GICD_BASE	BASE_GICD_BASE
111 #define PLAT_ARM_GICC_BASE	BASE_GICC_BASE
112 /*
113  * Define properties of Group 1 Secure and Group 0 interrupts as per GICv3
114  * terminology. On a GICv2 system or mode, the lists will be merged and treated
115  * as Group 0 interrupts.
116  */
117 #if !ZYNQMP_WDT_RESTART
118 #define PLAT_ARM_G1S_IRQ_PROPS(grp) \
119 	INTR_PROP_DESC(ARM_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \
120 			GIC_INTR_CFG_LEVEL), \
121 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, grp, \
122 			GIC_INTR_CFG_EDGE), \
123 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, grp, \
124 			GIC_INTR_CFG_EDGE), \
125 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, grp, \
126 			GIC_INTR_CFG_EDGE), \
127 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, grp, \
128 			GIC_INTR_CFG_EDGE), \
129 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, grp, \
130 			GIC_INTR_CFG_EDGE), \
131 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, grp, \
132 			GIC_INTR_CFG_EDGE), \
133 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, grp, \
134 			GIC_INTR_CFG_EDGE)
135 #else
136 #define PLAT_ARM_G1S_IRQ_PROPS(grp) \
137 	INTR_PROP_DESC(ARM_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \
138 			GIC_INTR_CFG_LEVEL), \
139 	INTR_PROP_DESC(IRQ_TTC3_1, GIC_HIGHEST_SEC_PRIORITY, grp, \
140 			GIC_INTR_CFG_EDGE), \
141 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, grp, \
142 			GIC_INTR_CFG_EDGE), \
143 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, grp, \
144 			GIC_INTR_CFG_EDGE), \
145 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, grp, \
146 			GIC_INTR_CFG_EDGE), \
147 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, grp, \
148 			GIC_INTR_CFG_EDGE), \
149 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, grp, \
150 			GIC_INTR_CFG_EDGE), \
151 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, grp, \
152 			GIC_INTR_CFG_EDGE), \
153 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, grp, \
154 			GIC_INTR_CFG_EDGE)
155 #endif
156 
157 #define PLAT_ARM_G0_IRQ_PROPS(grp) \
158 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_0, PLAT_SDEI_NORMAL_PRI,	grp, \
159 			GIC_INTR_CFG_EDGE)
160 
161 #endif /* PLATFORM_DEF_H */
162