1 /******************************************************************************
2 * Copyright (c) 2010-2015 Texas Instruments Incorporated - http://www.ti.com
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the
14 * distribution.
15 *
16 * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 *****************************************************************************/
34 #include <stdint.h>
35 #include <stdlib.h>
36 #include <stdio.h>
37 #include "board_internal.h"
38 #include "error.h"
39 #include "chipdb.h"
40 #include "prcm.h"
41 #include "board_cfg.h"
43 Board_gblObj Board_obj;
45 /* EEPROM data on EVM AM335x 1.5B */
46 char eepromData[I2C_EEPROM_RX_LENGTH] = {0x55, 0x33, 0xEE, 0x41, 0x33,
47 0x33, 0x35, 0x31, 0x35, 0x42};
49 /* Set the desired DDR3 configuration -- assumes 66.67 MHz DDR3 clock input */
50 Board_STATUS Board_DDR3Init()
51 {
52 return BOARD_SOK;
53 }
55 /* Set the desired DDR3 configuration -- assumes 66.67 MHz DDR3 clock input */
56 Board_STATUS Board_PLLInit()
57 {
58 return BOARD_SOK;
59 }
61 /* Set the desired DDR3 configuration -- assumes 66.67 MHz DDR3 clock input */
62 Board_STATUS Board_moduleClockInit()
63 {
64 int32_t status;
66 /* UART */
67 status = PRCMModuleEnable(CHIPDB_MOD_ID_UART, 0U, 0U);
69 /* GPIO */
70 if(S_PASS == status)
71 {
72 status = PRCMModuleEnable(CHIPDB_MOD_ID_GPIO, 0U, 0U);
73 }
74 if(S_PASS == status)
75 {
76 status = PRCMModuleEnable(CHIPDB_MOD_ID_GPIO, 1U, 0U);
77 }
78 if(S_PASS == status)
79 {
80 status = PRCMModuleEnable(CHIPDB_MOD_ID_GPIO, 2U, 0U);
81 }
82 if(S_PASS == status)
83 {
84 status = PRCMModuleEnable(CHIPDB_MOD_ID_GPIO, 3U, 0U);
85 }
87 /* EDMA3CC */
88 if(S_PASS == status)
89 {
90 status = PRCMModuleEnable(CHIPDB_MOD_ID_EDMA3CC, 0U, 0U);
91 }
93 /* EDMA3TC0 */
94 if(S_PASS == status)
95 {
96 status = PRCMModuleEnable(CHIPDB_MOD_ID_EDMA3TC, 0U, 0U);
97 }
99 /* EDMA3TC1 */
100 if(S_PASS == status)
101 {
102 status = PRCMModuleEnable(CHIPDB_MOD_ID_EDMA3TC, 1U, 0U);
103 }
105 /* EDMA3TC2 */
106 if(S_PASS == status)
107 {
108 status = PRCMModuleEnable(CHIPDB_MOD_ID_EDMA3TC, 2U, 0U);
109 }
111 /* MMCSD */
112 if(S_PASS == status)
113 {
114 status = PRCMModuleEnable(CHIPDB_MOD_ID_MMCSD, 0U, 0U);
115 }
117 /* I2C */
118 if(S_PASS == status)
119 {
120 status = PRCMModuleEnable(CHIPDB_MOD_ID_I2C, 0U, 0U);
121 }
123 if(S_PASS == status)
124 {
125 status = PRCMModuleEnable(CHIPDB_MOD_ID_I2C, 1U, 0U);
126 }
128 /* PWMSS */
129 if(S_PASS == status)
130 {
131 status = PRCMModuleEnable(CHIPDB_MOD_ID_PWMSS, 2U, 0U);
132 }
134 /* MCSPI */
135 if(S_PASS == status)
136 {
137 status = PRCMModuleEnable(CHIPDB_MOD_ID_MCSPI, 0U, 0U);
138 }
140 /* DCAN */
141 if(S_PASS == status)
142 {
143 status = PRCMModuleEnable(CHIPDB_MOD_ID_DCAN, 1U, 0U);
144 }
146 /* CPSW */
147 if(S_PASS == status)
148 {
149 status = PRCMModuleEnable(CHIPDB_MOD_ID_CPSW, 0U, 0U);
150 }
152 /* GPMC */
153 if(S_PASS == status)
154 {
155 status = PRCMModuleEnable(CHIPDB_MOD_ID_GPMC, 0U, 0U);
156 }
158 /* LCDC */
159 if(S_PASS == status)
160 {
161 status = PRCMModuleEnable(CHIPDB_MOD_ID_LCDC, 0U, 0U);
162 }
164 /* USB */
165 if(S_PASS == status)
166 {
167 status = PRCMModuleEnable(CHIPDB_MOD_ID_USB, 0U, 0U);
168 }
170 /* TSCADC */
171 if(S_PASS == status)
172 {
173 status = PRCMModuleEnable(CHIPDB_MOD_ID_ADC0, 0U, 0U);
174 }
176 /* MCASP */
177 if(S_PASS == status)
178 {
179 status = PRCMModuleEnable(CHIPDB_MOD_ID_RTCSS, 0U, 0U);
180 }
182 /* MCASP */
183 if(S_PASS == status)
184 {
185 status = PRCMModuleEnable(CHIPDB_MOD_ID_MCASP, 0U, 0U);
186 }
188 return BOARD_SOK;
189 }
191 Board_STATUS Board_init(Board_initCfg cfg)
192 {
193 Board_STATUS ret = BOARD_SOK;
195 if (cfg & BOARD_INIT_PLL)
196 ret = Board_PLLInit();
197 if (ret != BOARD_SOK)
198 return ret;
200 if (cfg & BOARD_INIT_MODULE_CLOCK)
201 ret = Board_moduleClockInit();
202 if (ret != BOARD_SOK)
203 return ret;
205 if (cfg & BOARD_INIT_DDR)
206 ret = Board_DDR3Init();
207 if (ret != BOARD_SOK)
208 return ret;
210 if (cfg & BOARD_INIT_PINMUX_CONFIG)
211 ret = Board_pinmuxConfig();
212 if (ret != BOARD_SOK)
213 return ret;
215 if (cfg & BOARD_INIT_UART_STDIO)
216 ret = Board_uartStdioInit();
217 if (ret != BOARD_SOK)
218 return ret;
220 return ret;
221 }