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1 /*
2  * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef TZC_DMC620_H
8 #define TZC_DMC620_H
9 
10 #include <lib/utils_def.h>
11 
12 /* DMC-620 memc register offsets */
13 #define DMC620_MEMC_STATUS	U(0x0000)
14 #define DMC620_MEMC_CMD		U(0x0008)
15 
16 /* Mask value to check the status of memc_cmd register */
17 #define DMC620_MEMC_CMD_MASK	U(0x00000007)
18 
19 /* memc_cmd register's action values */
20 #define DMC620_MEMC_CMD_GO	U(0x00000003)
21 #define DMC620_MEMC_CMD_EXECUTE	U(0x00000004)
22 
23 /* Address offsets of access address next region 0 registers */
24 #define DMC620_ACC_ADDR_MIN_31_00_NEXT_BASE	U(0x0080)
25 #define DMC620_ACC_ADDR_MIN_47_32_NEXT_BASE	U(0x0084)
26 #define DMC620_ACC_ADDR_MAX_31_00_NEXT_BASE	U(0x0088)
27 #define DMC620_ACC_ADDR_MAX_47_32_NEXT_BASE	U(0x008c)
28 
29 /* Length of one block of access address next register region */
30 #define DMC620_ACC_ADDR_NEXT_SIZE		U(0x0010)
31 
32 /* Address offsets of access address next registers */
33 #define DMC620_ACC_ADDR_MIN_31_00_NEXT(region_no)	\
34 		(DMC620_ACC_ADDR_MIN_31_00_NEXT_BASE +	\
35 			((region_no) * DMC620_ACC_ADDR_NEXT_SIZE))
36 #define DMC620_ACC_ADDR_MIN_47_32_NEXT(region_no)	\
37 		(DMC620_ACC_ADDR_MIN_47_32_NEXT_BASE +	\
38 			((region_no) * DMC620_ACC_ADDR_NEXT_SIZE))
39 #define DMC620_ACC_ADDR_MAX_31_00_NEXT(region_no)	\
40 		(DMC620_ACC_ADDR_MAX_31_00_NEXT_BASE +	\
41 			((region_no) * DMC620_ACC_ADDR_NEXT_SIZE))
42 #define DMC620_ACC_ADDR_MAX_47_32_NEXT(region_no)	\
43 		(DMC620_ACC_ADDR_MAX_47_32_NEXT_BASE +	\
44 			((region_no) * DMC620_ACC_ADDR_NEXT_SIZE))
45 
46 /* Number of TZC address regions in DMC-620 */
47 #define DMC620_ACC_ADDR_COUNT	U(8)
48 /* Width of access address registers */
49 #define DMC620_ACC_ADDR_WIDTH	U(32)
50 
51 /* Peripheral ID registers offsets */
52 #define DMC620_PERIPHERAL_ID_0		U(0x1fe0)
53 
54 /* Default values in id registers */
55 #define DMC620_PERIPHERAL_ID_0_VALUE	U(0x00000054)
56 
57 /* Secure access region attributes. */
58 #define TZC_DMC620_REGION_NS_RD		U(0x00000001)
59 #define TZC_DMC620_REGION_NS_WR		U(0x00000002)
60 #define TZC_DMC620_REGION_NS_RDWR	\
61 	(TZC_DMC620_REGION_NS_RD | TZC_DMC620_REGION_NS_WR)
62 #define TZC_DMC620_REGION_S_RD		U(0x00000004)
63 #define TZC_DMC620_REGION_S_WR		U(0x00000008)
64 #define TZC_DMC620_REGION_S_RDWR	\
65 	(TZC_DMC620_REGION_S_RD | TZC_DMC620_REGION_S_WR)
66 #define TZC_DMC620_REGION_S_NS_RDWR	\
67 	(TZC_DMC620_REGION_NS_RDWR | TZC_DMC620_REGION_S_RDWR)
68 
69 /*
70  * Contains pointer to the base addresses of all the DMC-620 instances.
71  * 'dmc_count' specifies the number of DMC base addresses contained in the
72  * array pointed to by dmc_base.
73  */
74 typedef struct tzc_dmc620_driver_data {
75 	const uintptr_t *dmc_base;
76 	const unsigned int dmc_count;
77 } tzc_dmc620_driver_data_t;
78 
79 /*
80  * Contains region base, region top addresses and corresponding attributes
81  * for configuring TZC access region registers.
82  */
83 typedef struct tzc_dmc620_acc_addr_data {
84 	const unsigned long long region_base;
85 	const unsigned long long region_top;
86 	const unsigned int sec_attr;
87 } tzc_dmc620_acc_addr_data_t;
88 
89 /*
90  * Contains platform specific data for configuring TZC region base and
91  * region top address. 'acc_addr_count' specifies the number of
92  * valid entries in 'plat_acc_addr_data' array.
93  */
94 typedef struct tzc_dmc620_config_data {
95 	const tzc_dmc620_driver_data_t *plat_drv_data;
96 	const tzc_dmc620_acc_addr_data_t *plat_acc_addr_data;
97 	const uint8_t acc_addr_count;
98 } tzc_dmc620_config_data_t;
99 
100 /* Function prototypes */
101 void arm_tzc_dmc620_setup(const tzc_dmc620_config_data_t *plat_config_data);
102 
103 #endif /* TZC_DMC620_H */
104 
105