1 /*
2  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef SECURE_H
8 #define SECURE_H
9 
10 /******************************************************************************
11  * TZPC TrustZone controller
12  ******************************************************************************/
13 
14 #define TZPC_R0SIZE			0x0
15 #define TZPC_SRAM_SECURE_4K(n)		((n) > 0x200 ? 0x200 : (n))
16 #define TZPC_DECPROT1STAT		0x80c
17 #define TZPC_DECPROT1SET		0x810
18 #define TZPC_DECPROT1CLR		0x814
19 #define TZPC_DECPROT2STAT		0x818
20 #define TZPC_DECPROT2SET		0x818
21 #define TZPC_DECPROT2CLR		0x820
22 
23 /**************************************************
24  * sgrf reg, offset
25  **************************************************/
26 /*
27  * soc_con0-5 start at 0x0, soc_con6-... start art 0x50
28  * adjusted for the 5 lower registers
29  */
30 #define SGRF_SOC_CON(n)			((((n) < 6) ? 0x0 : 0x38) + (n) * 4)
31 #define SGRF_BUSDMAC_CON(n)		(0x20 + (n) * 4)
32 #define SGRF_CPU_CON(n)			(0x40 + (n) * 4)
33 #define SGRF_SOC_STATUS(n)		(0x100 + (n) * 4)
34 #define SGRF_FAST_BOOT_ADDR		0x120
35 
36 /* SGRF_SOC_CON0 */
37 #define SGRF_FAST_BOOT_ENA		BIT_WITH_WMSK(8)
38 #define SGRF_FAST_BOOT_DIS		WMSK_BIT(8)
39 #define SGRF_PCLK_WDT_GATE		BIT_WITH_WMSK(6)
40 #define SGRF_PCLK_WDT_UNGATE		WMSK_BIT(6)
41 #define SGRF_PCLK_STIMER_GATE		BIT_WITH_WMSK(4)
42 
43 #define SGRF_SOC_CON2_MST_NS		0xffe0ffe0
44 #define SGRF_SOC_CON3_MST_NS		0x003f003f
45 
46 /* SGRF_SOC_CON4 */
47 #define SGRF_SOC_CON4_SECURE_WMSK	0xffff0000
48 #define SGRF_DDRC1_SECURE		BIT_WITH_WMSK(12)
49 #define SGRF_DDRC0_SECURE		BIT_WITH_WMSK(11)
50 #define SGRF_PMUSRAM_SECURE		BIT_WITH_WMSK(8)
51 #define SGRF_WDT_SECURE			BIT_WITH_WMSK(7)
52 #define SGRF_STIMER_SECURE		BIT_WITH_WMSK(6)
53 
54 /* SGRF_SOC_CON5 */
55 #define SGRF_SLV_SEC_BYPS		BIT_WITH_WMSK(15)
56 #define SGRF_SLV_SEC_NO_BYPS		WMSK_BIT(15)
57 #define SGRF_SOC_CON5_SECURE_WMSK	0x00ff0000
58 
59 /* ddr regions in SGRF_SOC_CON6 and following */
60 #define SGRF_DDR_RGN_SECURE_SEL		BIT_WITH_WMSK(15)
61 #define SGRF_DDR_RGN_SECURE_EN		BIT_WITH_WMSK(14)
62 #define SGRF_DDR_RGN_ADDR_WMSK		0x0fff
63 
64 /* SGRF_SOC_CON21 */
65 /* All security of the DDR RGNs are bypassed */
66 #define SGRF_DDR_RGN_BYPS		BIT_WITH_WMSK(15)
67 #define SGRF_DDR_RGN_NO_BYPS		WMSK_BIT(15)
68 
69 /* SGRF_CPU_CON0 */
70 #define SGRF_DAPDEVICE_ENA		BIT_WITH_WMSK(0)
71 #define SGRF_DAPDEVICE_MSK		WMSK_BIT(0)
72 
73 /*****************************************************************************
74  * core-axi
75  *****************************************************************************/
76 #define CORE_AXI_SECURITY0		0x08
77 #define AXI_SECURITY0_GIC		BIT(0)
78 
79 /*****************************************************************************
80  * secure timer
81  *****************************************************************************/
82 #define TIMER_LOAD_COUNT0		0x00
83 #define TIMER_LOAD_COUNT1		0x04
84 #define TIMER_CURRENT_VALUE0		0x08
85 #define TIMER_CURRENT_VALUE1		0x0C
86 #define TIMER_CONTROL_REG		0x10
87 #define TIMER_INTSTATUS			0x18
88 
89 #define TIMER_EN			0x1
90 
91 #define STIMER1_BASE			(STIME_BASE + 0x20)
92 
93 /* export secure operating APIs */
94 void secure_watchdog_gate(void);
95 void secure_watchdog_ungate(void);
96 void secure_gic_init(void);
97 void secure_timer_init(void);
98 void secure_sgrf_init(void);
99 void secure_sgrf_ddr_rgn_init(void);
100 __pmusramfunc void sram_secure_timer_init(void);
101 
102 #endif /* SECURE_H */
103