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12#include <common.h>
13#include <env.h>
14#include <errno.h>
15#include <serial.h>
16#include <spl.h>
17#include <asm/arch/cpu.h>
18#include <asm/arch/hardware.h>
19#include <asm/arch/omap.h>
20#include <asm/arch/ddr_defs.h>
21#include <asm/arch/clock.h>
22#include <asm/arch/gpio.h>
23#include <asm/arch/mmc_host_def.h>
24#include <asm/arch/sys_proto.h>
25#include <asm/io.h>
26#include <asm/emif.h>
27#include <asm/gpio.h>
28#include <i2c.h>
29#include <miiphy.h>
30#include <cpsw.h>
31#include <watchdog.h>
32#include <asm/mach-types.h>
33#include "../common/factoryset.h"
34
35DECLARE_GLOBAL_DATA_PTR;
36
37#ifdef CONFIG_SPL_BUILD
38void set_uart_mux_conf(void)
39{
40 enable_uart0_pin_mux();
41}
42
43void set_mux_conf_regs(void)
44{
45
46 enable_i2c0_pin_mux();
47 i2c_set_bus_num(0);
48
49
50 gd->baudrate = CONFIG_BAUDRATE;
51 serial_init();
52 gd->have_console = 1;
53 if (read_eeprom() < 0)
54 puts("Could not get board ID.\n");
55
56 enable_board_pin_mux();
57}
58
59void sdram_init(void)
60{
61 spl_siemens_board_init();
62 board_init_ddr();
63
64 return;
65}
66#endif
67
68#ifndef CONFIG_SPL_BUILD
69
70
71
72int board_init(void)
73{
74#if defined(CONFIG_HW_WATCHDOG)
75 hw_watchdog_init();
76#endif
77 i2c_set_bus_num(0);
78 if (read_eeprom() < 0)
79 puts("Could not get board ID.\n");
80#ifdef CONFIG_MACH_TYPE
81 gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
82#endif
83 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
84
85#ifdef CONFIG_FACTORYSET
86 factoryset_read_eeprom(CONFIG_SYS_I2C_EEPROM_ADDR);
87#endif
88
89 gpmc_init();
90
91#ifdef CONFIG_NAND_CS_INIT
92 board_nand_cs_init();
93#endif
94#ifdef CONFIG_VIDEO
95 board_video_init();
96#endif
97
98 return 0;
99}
100#endif
101
102#define OSC (V_OSCK/1000000)
103const struct dpll_params dpll_ddr = {
104 DDR_PLL_FREQ, OSC-1, 1, -1, -1, -1, -1};
105
106const struct dpll_params *get_dpll_ddr_params(void)
107{
108 return &dpll_ddr;
109}
110
111#ifndef CONFIG_SPL_BUILD
112
113#define MAX_NR_LEDS 10
114#define MAX_PIN_NUMBER 128
115#define STARTUP 0
116
117#if defined(BOARD_DFU_BUTTON_GPIO)
118unsigned char get_button_state(char * const envname, unsigned char def)
119{
120 int button = 0;
121 int gpio;
122 char *ptr_env;
123
124
125 ptr_env = env_get(envname);
126 if (NULL == ptr_env) {
127 gpio = def;
128 } else {
129 gpio = (unsigned char)simple_strtoul(ptr_env, NULL, 0);
130 if (gpio > MAX_PIN_NUMBER)
131 gpio = def;
132 }
133
134 gpio_request(gpio, "");
135 gpio_direction_input(gpio);
136 if (gpio_get_value(gpio))
137 button = 1;
138 else
139 button = 0;
140
141 gpio_free(gpio);
142
143 return button;
144}
145
146
147
148
149
150
151static int
152do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
153{
154 int button = 0;
155 button = get_button_state("button_dfu0", BOARD_DFU_BUTTON_GPIO);
156 button |= get_button_state("button_dfu1", BOARD_DFU_BUTTON_GPIO);
157 return button;
158}
159
160U_BOOT_CMD(
161 dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
162 "Return the status of the DFU button",
163 ""
164);
165#endif
166
167static int
168do_usertestwdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
169{
170 printf("\n\n\n Go into infinite loop\n\n\n");
171 while (1)
172 ;
173 return 0;
174};
175
176U_BOOT_CMD(
177 testwdt, CONFIG_SYS_MAXARGS, 1, do_usertestwdt,
178 "Sends U-Boot into infinite loop",
179 ""
180);
181
182
183
184
185
186
187
188
189void set_env_gpios(unsigned char state)
190{
191 char *ptr_env;
192 char str_tmp[5];
193 unsigned char i, idx, pos1, pos2, ccount;
194 unsigned char gpio_n, gpio_s0, gpio_s1;
195
196 for (i = 0; i < MAX_NR_LEDS; i++) {
197 sprintf(str_tmp, "led%d", i);
198
199
200 ptr_env = env_get(str_tmp);
201 if (NULL == ptr_env)
202 break;
203
204
205 pos1 = 0;
206 pos2 = 0;
207 ccount = 0;
208 for (idx = 0; ptr_env[idx] != '\0'; idx++) {
209 if (ptr_env[idx] == ',') {
210 if (ccount++ < 1)
211 pos1 = idx;
212 else
213 pos2 = idx;
214 }
215 }
216
217 if (pos2 <= pos1 || ccount > 2)
218 continue;
219
220
221 memset(str_tmp, 0, sizeof(str_tmp));
222 strncpy(str_tmp, ptr_env, pos1*sizeof(char));
223 gpio_n = (unsigned char)simple_strtoul(str_tmp, NULL, 0);
224
225
226 if (gpio_n > MAX_PIN_NUMBER)
227 continue;
228
229 gpio_request(gpio_n, "");
230
231 if (state == STARTUP) {
232
233 memset(str_tmp, 0, sizeof(str_tmp));
234 strncpy(str_tmp, ptr_env+pos1+1,
235 (pos2-pos1-1)*sizeof(char));
236 gpio_s0 = (unsigned char)simple_strtoul(str_tmp, NULL,
237 0);
238
239 gpio_direction_output(gpio_n, gpio_s0);
240
241 } else {
242
243 memset(str_tmp, 0, sizeof(str_tmp));
244 strcpy(str_tmp, ptr_env+pos2+1);
245 gpio_s1 = (unsigned char)simple_strtoul(str_tmp, NULL,
246 0);
247 gpio_direction_output(gpio_n, gpio_s1);
248 }
249 }
250}
251
252static int do_board_led(cmd_tbl_t *cmdtp, int flag, int argc,
253 char *const argv[])
254{
255 if (argc != 2)
256 return CMD_RET_USAGE;
257 if ((unsigned char)simple_strtoul(argv[1], NULL, 0) == STARTUP)
258 set_env_gpios(0);
259 else
260 set_env_gpios(1);
261 return 0;
262};
263
264U_BOOT_CMD(
265 draco_led, CONFIG_SYS_MAXARGS, 2, do_board_led,
266 "Set LEDs defined in environment",
267 "<0|1>"
268);
269#endif
270