1 /*
2  * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 #ifndef __V2M_DEF_H__
7 #define __V2M_DEF_H__
8 
9 #include <arm_xlat_tables.h>
10 
11 
12 /* V2M motherboard system registers & offsets */
13 #define V2M_SYSREGS_BASE		0x1c010000
14 #define V2M_SYS_ID			0x0
15 #define V2M_SYS_SWITCH			0x4
16 #define V2M_SYS_LED			0x8
17 #define V2M_SYS_NVFLAGS			0x38
18 #define V2M_SYS_NVFLAGSSET		0x38
19 #define V2M_SYS_NVFLAGSCLR		0x3c
20 #define V2M_SYS_CFGDATA			0xa0
21 #define V2M_SYS_CFGCTRL			0xa4
22 #define V2M_SYS_CFGSTATUS		0xa8
23 
24 #define V2M_CFGCTRL_START		(1 << 31)
25 #define V2M_CFGCTRL_RW			(1 << 30)
26 #define V2M_CFGCTRL_FUNC_SHIFT		20
27 #define V2M_CFGCTRL_FUNC(fn)		(fn << V2M_CFGCTRL_FUNC_SHIFT)
28 #define V2M_FUNC_CLK_GEN		0x01
29 #define V2M_FUNC_TEMP			0x04
30 #define V2M_FUNC_DB_RESET		0x05
31 #define V2M_FUNC_SCC_CFG		0x06
32 #define V2M_FUNC_SHUTDOWN		0x08
33 #define V2M_FUNC_REBOOT			0x09
34 
35 /*
36  * V2M sysled bit definitions. The values written to this
37  * register are defined in arch.h & runtime_svc.h. Only
38  * used by the primary cpu to diagnose any cold boot issues.
39  *
40  * SYS_LED[0]   - Security state (S=0/NS=1)
41  * SYS_LED[2:1] - Exception Level (EL3-EL0)
42  * SYS_LED[7:3] - Exception Class (Sync/Async & origin)
43  *
44  */
45 #define V2M_SYS_LED_SS_SHIFT		0x0
46 #define V2M_SYS_LED_EL_SHIFT		0x1
47 #define V2M_SYS_LED_EC_SHIFT		0x3
48 
49 #define V2M_SYS_LED_SS_MASK		0x1
50 #define V2M_SYS_LED_EL_MASK		0x3
51 #define V2M_SYS_LED_EC_MASK		0x1f
52 
53 /* V2M sysid register bits */
54 #define V2M_SYS_ID_REV_SHIFT		28
55 #define V2M_SYS_ID_HBI_SHIFT		16
56 #define V2M_SYS_ID_BLD_SHIFT		12
57 #define V2M_SYS_ID_ARCH_SHIFT		8
58 #define V2M_SYS_ID_FPGA_SHIFT		0
59 
60 #define V2M_SYS_ID_REV_MASK		0xf
61 #define V2M_SYS_ID_HBI_MASK		0xfff
62 #define V2M_SYS_ID_BLD_MASK		0xf
63 #define V2M_SYS_ID_ARCH_MASK		0xf
64 #define V2M_SYS_ID_FPGA_MASK		0xff
65 
66 #define V2M_SYS_ID_BLD_LENGTH		4
67 
68 
69 /* NOR Flash */
70 #define V2M_FLASH0_BASE			0x08000000
71 #define V2M_FLASH0_SIZE			0x04000000
72 #define V2M_FLASH_BLOCK_SIZE		0x00040000	/* 256 KB */
73 
74 #define V2M_IOFPGA_BASE			0x1c000000
75 #define V2M_IOFPGA_SIZE			0x03000000
76 
77 /* PL011 UART related constants */
78 #define V2M_IOFPGA_UART0_BASE		0x1c090000
79 #define V2M_IOFPGA_UART1_BASE		0x1c0a0000
80 #define V2M_IOFPGA_UART2_BASE		0x1c0b0000
81 #define V2M_IOFPGA_UART3_BASE		0x1c0c0000
82 
83 #define V2M_IOFPGA_UART0_CLK_IN_HZ	24000000
84 #define V2M_IOFPGA_UART1_CLK_IN_HZ	24000000
85 #define V2M_IOFPGA_UART2_CLK_IN_HZ	24000000
86 #define V2M_IOFPGA_UART3_CLK_IN_HZ	24000000
87 
88 /* SP804 timer related constants */
89 #define V2M_SP804_TIMER0_BASE		0x1C110000
90 #define V2M_SP804_TIMER1_BASE		0x1C120000
91 
92 /* SP810 controller */
93 #define V2M_SP810_BASE			0x1c020000
94 #define V2M_SP810_CTRL_TIM0_SEL		(1 << 15)
95 #define V2M_SP810_CTRL_TIM1_SEL		(1 << 17)
96 #define V2M_SP810_CTRL_TIM2_SEL		(1 << 19)
97 #define V2M_SP810_CTRL_TIM3_SEL		(1 << 21)
98 
99 /*
100  * The flash can be mapped either as read-only or read-write.
101  *
102  * If it is read-write then it should also be mapped as device memory because
103  * NOR flash programming involves sending a fixed, ordered sequence of commands.
104  *
105  * If it is read-only then it should also be mapped as:
106  * - Normal memory, because reading from NOR flash is transparent, it is like
107  *   reading from RAM.
108  * - Non-executable by default. If some parts of the flash need to be executable
109  *   then platform code is responsible for re-mapping the appropriate portion
110  *   of it as executable.
111  */
112 #define V2M_MAP_FLASH0_RW		MAP_REGION_FLAT(V2M_FLASH0_BASE,\
113 						V2M_FLASH0_SIZE,	\
114 						MT_DEVICE | MT_RW | MT_SECURE)
115 
116 #define V2M_MAP_FLASH0_RO		MAP_REGION_FLAT(V2M_FLASH0_BASE,\
117 						V2M_FLASH0_SIZE,	\
118 						MT_RO_DATA | MT_SECURE)
119 
120 #define V2M_MAP_IOFPGA			MAP_REGION_FLAT(V2M_IOFPGA_BASE,\
121 						V2M_IOFPGA_SIZE,		\
122 						MT_DEVICE | MT_RW | MT_SECURE)
123 
124 
125 
126 #endif /* __V2M_DEF_H__ */
127