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am335x, shc: add support for the am335x based bosch shc board
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1 /*
2 * board.h
3 *
4 * (C) Copyright 2016
5 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
6 *
7 * Based on:
8 * TI AM335x boards information header
9 *
10 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
11 *
12 * SPDX-License-Identifier: GPL-2.0+
13 */
14
15 #ifndef _BOARD_H_
16 #define _BOARD_H_
17
18 /* Definition to control the GPIOs (for LEDs and Reset) */
19 #define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
20
21 static inline int board_is_b_sample(void)
22 {
23 #if defined CONFIG_B_SAMPLE
24 return 1;
25 #else
26 return 0;
27 #endif
28 }
29
30 static inline int board_is_c_sample(void)
31 {
32 #if defined CONFIG_C_SAMPLE
33 return 1;
34 #else
35 return 0;
36 #endif
37 }
38
39 static inline int board_is_c3_sample(void)
40 {
41 #if defined CONFIG_C3_SAMPLE
42 return 1;
43 #else
44 return 0;
45 #endif
46 }
47
48 static inline int board_is_series(void)
49 {
50 #if defined CONFIG_SERIES
51 return 1;
52 #else
53 return 0;
54 #endif
55 }
56
57 /*
58 * Definitions for pinmuxing header and Board ID strings
59 */
60 #if defined CONFIG_B_SAMPLE
61 # define BOARD_ID_STR "SHC B-Sample\n"
62 #elif defined CONFIG_B2_SAMPLE
63 # define BOARD_ID_STR "SHC B2-Sample\n"
64 #elif defined CONFIG_C_SAMPLE
65 # if defined(CONFIG_SHC_NETBOOT)
66 # define BOARD_ID_STR "#### NETBOOT ####\nSHC C-Sample\n"
67 # elif defined(CONFIG_SHC_SDBOOT)
68 # define BOARD_ID_STR "#### SDBOOT ####\nSHC C-Sample\n"
69 # else
70 # define BOARD_ID_STR "SHC C-Sample\n"
71 # endif
72 #elif defined CONFIG_C2_SAMPLE
73 # if defined(CONFIG_SHC_ICT)
74 # define BOARD_ID_STR "#### ICT ####\nSHC C2-Sample\n"
75 # elif defined(CONFIG_SHC_NETBOOT)
76 # define BOARD_ID_STR "#### NETBOOT ####\nSHC C2-Sample\n"
77 # elif defined(CONFIG_SHC_SDBOOT)
78 # define BOARD_ID_STR "#### SDBOOT ####\nSHC C2-Sample\n"
79 # else
80 # define BOARD_ID_STR "SHC C2-Sample\n"
81 # endif
82 #elif defined CONFIG_C3_SAMPLE
83 # if defined(CONFIG_SHC_ICT)
84 # define BOARD_ID_STR "#### ICT ####\nSHC C3-Sample\n"
85 # elif defined(CONFIG_SHC_NETBOOT)
86 # define BOARD_ID_STR "#### NETBOOT ####\nSHC C3-Sample\n"
87 # elif defined(CONFIG_SHC_SDBOOT)
88 # define BOARD_ID_STR "#### SDBOOT ####\nSHC C3-Sample\n"
89 # else
90 # define BOARD_ID_STR "SHC C3-Sample\n"
91 # endif
92 #elif defined CONFIG_SERIES
93 # if defined(CONFIG_SHC_ICT)
94 # define BOARD_ID_STR "#### ICT ####\nSHC\n"
95 # elif defined(CONFIG_SHC_NETBOOT)
96 # define BOARD_ID_STR "#### NETBOOT ####\nSHC\n"
97 # elif defined(CONFIG_SHC_SDBOOT)
98 # define BOARD_ID_STR "#### SDBOOT ####\nSHC\n"
99 # else
100 # define BOARD_ID_STR "SHC\n"
101 # endif
102 #else
103 # define BOARD_ID_STR "Unknown device!\n"
104 #endif
105
106 /*
107 * Definitions for GPIO pin assignments
108 */
109 #if defined CONFIG_B_SAMPLE
110
111 # define LED_PWR_BL_GPIO GPIO_TO_PIN(1, 17)
112 # define LED_PWR_RD_GPIO GPIO_TO_PIN(1, 18)
113 # define LED_PWR_GN_GPIO GPIO_TO_PIN(1, 19)
114 # define LED_CONN_BL_GPIO GPIO_TO_PIN(0, 26)
115 # define LED_CONN_RD_GPIO GPIO_TO_PIN(0, 22)
116 # define LED_CONN_GN_GPIO GPIO_TO_PIN(0, 23)
117 # define RESET_GPIO GPIO_TO_PIN(1, 29)
118 # define WIFI_REGEN_GPIO GPIO_TO_PIN(1, 16)
119 # define WIFI_RST_GPIO GPIO_TO_PIN(0, 27)
120 # define ZIGBEE_RST_GPIO GPIO_TO_PIN(3, 18)
121 # define BIDCOS_RST_GPIO GPIO_TO_PIN(0, 12)
122 # define ENOC_RST_GPIO GPIO_TO_PIN(1, 22)
123
124 #else
125
126 # define LED_PWR_BL_GPIO GPIO_TO_PIN(0, 22)
127 # define LED_PWR_RD_GPIO GPIO_TO_PIN(0, 23)
128 # define LED_LAN_BL_GPIO GPIO_TO_PIN(1, 17)
129 # define LED_LAN_RD_GPIO GPIO_TO_PIN(0, 26)
130 # define LED_CLOUD_BL_GPIO GPIO_TO_PIN(1, 18)
131 # define LED_CLOUD_RD_GPIO GPIO_TO_PIN(2, 2)
132 # define LED_PWM_GPIO GPIO_TO_PIN(1, 19)
133 # define RESET_GPIO GPIO_TO_PIN(1, 29)
134 # define WIFI_REGEN_GPIO GPIO_TO_PIN(1, 16)
135 # define WIFI_RST_GPIO GPIO_TO_PIN(0, 27)
136 # define ZIGBEE_RST_GPIO GPIO_TO_PIN(3, 18)
137 # define BIDCOS_RST_GPIO GPIO_TO_PIN(1, 24)
138 # define Z_WAVE_RST_GPIO GPIO_TO_PIN(1, 21)
139 # define ENOC_RST_GPIO GPIO_TO_PIN(1, 22)
140
141 #endif
142
143 #define BACK_BUTTON_GPIO GPIO_TO_PIN(1, 29)
144 #define FRONT_BUTTON_GPIO GPIO_TO_PIN(1, 25)
145
146 /* Reset is on GPIO pin 29 of GPIO bank 1 */
147 #define RESET_MASK (0x1 << 29)
148
149 #define HDR_MAGIC 0x43485342
150 #define HDR_ETH_ALEN 6
151 #define HDR_NAME_LEN 8
152 #define HDR_REV_LEN 8
153 #define HDR_SER_LEN 16
154 #define HDR_ROOT_LEN 12
155 #define HDR_FATC_LEN 12
156
157 /*
158 * SHC parameters held in On-Board I²C EEPROM device.
159 *
160 * Header Format
161 *
162 * Name Size Contents
163 *-------------------------------------------------------------
164 * Magic 4 0x42 0x53 0x48 0x43 [BSHC]
165 *
166 * Version 2 0x0100 for v1.0
167 *
168 * Lenght 2 The length of the complete structure, not only this header
169 *
170 * Eth-MAC 6 Ethernet MAC Address
171 * SHC Pool: 7C:AC:B2:00:10:01 - TBD
172 *
173 * --- Further values follow, not important for Bootloader ---
174 */
175
176 struct shc_eeprom {
177 u32 magic;
178 u16 version;
179 u16 lenght;
180 uint8_t mac_addr[HDR_ETH_ALEN];
181 };
182
183 void enable_uart0_pin_mux(void);
184 void enable_shc_board_pin_mux(void);
185 void enable_shc_board_pwm_pin_mux(void);
186
187 #endif