3 * DENX Software Engineering
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <asm/arch/pxa-regs.h>
32 DECLARE_GLOBAL_DATA_PTR;
34 /* ------------------------------------------------------------------------- */
36 static void init_DA9030(void);
37 static void keys_init(void);
38 static void get_pressed_keys(uchar *s);
39 static uchar *key_match(uchar *kbd_data);
42 * Miscelaneous platform dependent initialisations
47 /* memory and cpu-speed are setup before relocation */
48 /* so we do _nothing_ here */
50 /* arch number of Lubbock-Board mk@tbd: fix this! */
51 gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK;
53 /* adress of boot parameters */
54 gd->bd->bi_boot_params = 0xa0000100;
59 int board_late_init(void)
61 #ifdef DELTA_CHECK_KEYBD
62 uchar kbd_data[KEYBD_DATALEN];
63 char keybd_env[2 * KEYBD_DATALEN + 1];
66 #endif /* DELTA_CHECK_KEYBD */
68 setenv("stdout", "serial");
69 setenv("stderr", "serial");
71 #ifdef DELTA_CHECK_KEYBD
74 memset(kbd_data, '\0', KEYBD_DATALEN);
76 /* check for pressed keys and setup keybd_env */
77 get_pressed_keys(kbd_data);
79 for (i = 0; i < KEYBD_DATALEN; ++i) {
80 sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
82 setenv ("keybd", keybd_env);
84 str = strdup ((char *)key_match (kbd_data)); /* decode keys */
86 # ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
87 setenv ("preboot", str); /* set or delete definition */
88 # endif /* CONFIG_PREBOOT */
92 #endif /* DELTA_CHECK_KEYBD */
99 * Magic Key Handling, mainly copied from board/lwmon/lwmon.c
101 #ifdef DELTA_CHECK_KEYBD
103 static uchar kbd_magic_prefix[] = "key_magic";
104 static uchar kbd_command_prefix[] = "key_cmd";
108 * s is a buffer of size KEYBD_DATALEN-1
110 static void get_pressed_keys(uchar *s)
116 *s++ = KEYBD_KP_DKIN0;
118 *s++ = KEYBD_KP_DKIN1;
120 *s++ = KEYBD_KP_DKIN2;
122 *s++ = KEYBD_KP_DKIN5;
125 static void keys_init()
127 CKENB |= CKENB_7_GPIO;
130 /* Configure GPIOs */
131 GPIO127 = 0xa840; /* KP_DKIN0 */
132 GPIO114 = 0xa840; /* KP_DKIN1 */
133 GPIO125 = 0xa840; /* KP_DKIN2 */
134 GPIO118 = 0xa840; /* KP_DKIN5 */
136 /* Configure GPIOs as inputs */
137 GPDR3 &= ~(1<<31 | 1<<18 | 1<<29 | 1<<22);
138 GCDR3 = (1<<31 | 1<<18 | 1<<29 | 1<<22);
143 static int compare_magic (uchar *kbd_data, uchar *str)
145 /* uchar compare[KEYBD_DATALEN-1]; */
146 uchar compare[KEYBD_DATALEN];
150 /* Don't include modifier byte */
151 /* memcpy (compare, kbd_data+1, KEYBD_DATALEN-1); */
152 memcpy (compare, kbd_data, KEYBD_DATALEN);
154 for (; str != NULL; str = (*nxt) ? (uchar *)(nxt+1) : (uchar *)nxt) {
158 c = (uchar) simple_strtoul ((char *)str, (char **) (&nxt), 16);
160 if (str == (uchar *)nxt) { /* invalid character */
165 * Check if this key matches the input.
166 * Set matches to zero, so they match only once
167 * and we can find duplicates or extra keys
169 for (k = 0; k < sizeof(compare); ++k) {
170 if (compare[k] == '\0') /* only non-zero entries */
172 if (c == compare[k]) { /* found matching key */
177 if (k == sizeof(compare)) {
178 return -1; /* unmatched key */
183 * A full match leaves no keys in the `compare' array,
185 for (i = 0; i < sizeof(compare); ++i) {
196 static uchar *key_match (uchar *kbd_data)
198 char magic[sizeof (kbd_magic_prefix) + 1];
200 char *kbd_magic_keys;
203 * The following string defines the characters that can pe appended
204 * to "key_magic" to form the names of environment variables that
205 * hold "magic" key codes, i. e. such key codes that can cause
206 * pre-boot actions. If the string is empty (""), then only
207 * "key_magic" is checked (old behaviour); the string "125" causes
208 * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
210 if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
213 /* loop over all magic keys;
214 * use '\0' suffix in case of empty string
216 for (suffix=(uchar *)kbd_magic_keys; *suffix || suffix==(uchar *)kbd_magic_keys; ++suffix) {
217 sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
219 printf ("### Check magic \"%s\"\n", magic);
221 if (compare_magic(kbd_data, (uchar *)getenv(magic)) == 0) {
222 char cmd_name[sizeof (kbd_command_prefix) + 1];
225 sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
227 cmd = getenv (cmd_name);
229 printf ("### Set PREBOOT to $(%s): \"%s\"\n",
230 cmd_name, cmd ? cmd : "<<NULL>>");
233 return ((uchar *)cmd);
237 printf ("### Delete PREBOOT\n");
243 int do_kbd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
245 uchar kbd_data[KEYBD_DATALEN];
246 char keybd_env[2 * KEYBD_DATALEN + 1];
250 get_pressed_keys(kbd_data);
252 for (i = 0; i < KEYBD_DATALEN; ++i) {
253 sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
254 printf (" %02x", kbd_data[i]);
257 setenv ("keybd", keybd_env);
263 "read keyboard status",
267 #endif /* DELTA_CHECK_KEYBD */
272 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
273 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
274 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
275 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
276 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
277 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
278 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
279 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
284 void i2c_init_board()
286 CKENB |= (CKENB_4_I2C);
288 /* setup I2C GPIO's */
289 GPIO32 = 0x801; /* SCL = Alt. Fkt. 1 */
290 GPIO33 = 0x801; /* SDA = Alt. Fkt. 1 */
293 /* initialize the DA9030 Power Controller */
294 static void init_DA9030()
296 uchar addr = (uchar) DA9030_I2C_ADDR, val = 0;
298 CKENB |= CKENB_7_GPIO;
301 /* Rising Edge on EXTON to reset DA9030 */
302 GPIO17 = 0x8800; /* configure GPIO17, no pullup, -down */
303 GPDR0 |= (1<<17); /* GPIO17 is output */
305 GPCR0 = (1<<17); /* drive GPIO17 low */
306 GPSR0 = (1<<17); /* drive GPIO17 high */
308 #if CONFIG_SYS_DA9030_EXTON_DELAY
309 udelay((unsigned long) CONFIG_SYS_DA9030_EXTON_DELAY); /* wait for DA9030 */
311 GPCR0 = (1<<17); /* drive GPIO17 low */
313 /* reset the watchdog and go active (0xec) */
314 val = (SYS_CONTROL_A_HWRES_ENABLE |
316 SYS_CONTROL_A_WDOG_ACTION |
317 SYS_CONTROL_A_WATCHDOG);
318 if(i2c_write(addr, SYS_CONTROL_A, 1, &val, 1)) {
319 printf("Error accessing DA9030 via i2c.\n");
324 if(i2c_write(addr, IRQ_MASK_B, 1, &val, 1)) {
325 printf("Error accessing DA9030 via i2c.\n");
329 i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */
330 i2c_reg_write(addr, LDO2_3, 0xd1); /* LDO2 =1,9V, LDO3=3,1V */
331 i2c_reg_write(addr, LDO4_5, 0xcc); /* LDO2 =1,9V, LDO3=3,1V */
332 i2c_reg_write(addr, LDO6_SIMCP, 0x3e); /* LDO6=3,2V, SIMCP = 5V support */
333 i2c_reg_write(addr, LDO7_8, 0xc9); /* LDO7=2,7V, LDO8=3,0V */
334 i2c_reg_write(addr, LDO9_12, 0xec); /* LDO9=3,0V, LDO12=3,2V */
335 i2c_reg_write(addr, BUCK, 0x0c); /* Buck=1.2V */
336 i2c_reg_write(addr, REG_CONTROL_2_98, 0x7f); /* All LDO'S on 8,9,10,11,12,14 */
337 i2c_reg_write(addr, LDO_10_11, 0xcc); /* LDO10=3.0V LDO11=3.0V */
338 i2c_reg_write(addr, LDO_15, 0xae); /* LDO15=1.8V, dislock first 3bit */
339 i2c_reg_write(addr, LDO_14_16, 0x05); /* LDO14=2.8V, LDO16=NB */
340 i2c_reg_write(addr, LDO_18_19, 0x9c); /* LDO18=3.0V, LDO19=2.7V */
341 i2c_reg_write(addr, LDO_17_SIMCP0, 0x2c); /* LDO17=3.0V, SIMCP=3V support */
342 i2c_reg_write(addr, BUCK2_DVC1, 0x9a); /* Buck2=1.5V plus Update support of 520 MHz */
343 i2c_reg_write(addr, REG_CONTROL_2_18, 0x43); /* Ball on */
344 i2c_reg_write(addr, MISC_CONTROLB, 0x08); /* session valid enable */
345 i2c_reg_write(addr, USBPUMP, 0xc1); /* start pump, ignore HW signals */
347 val = i2c_reg_read(addr, STATUS);
348 if(val & STATUS_CHDET)
349 printf("Charger detected, turning on LED.\n");
351 printf("No charger detetected.\n");
352 /* undervoltage? print error and power down */
358 /* reset the DA9030 watchdog */
359 void hw_watchdog_reset(void)
361 uchar addr = (uchar) DA9030_I2C_ADDR, val = 0;
362 val = i2c_reg_read(addr, SYS_CONTROL_A);
363 val |= SYS_CONTROL_A_WATCHDOG;
364 i2c_reg_write(addr, SYS_CONTROL_A, val);
368 #ifdef CONFIG_CMD_NET
369 int board_eth_init(bd_t *bis)
372 #ifdef CONFIG_SMC91111
373 rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);