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>
33 DECLARE_GLOBAL_DATA_PTR;
35 /* ------------------------------------------------------------------------- */
37 static void init_DA9030(void);
38 static void keys_init(void);
39 static void get_pressed_keys(uchar *s);
40 static uchar *key_match(uchar *kbd_data);
43 * Miscelaneous platform dependent initialisations
48 /* memory and cpu-speed are setup before relocation */
49 /* so we do _nothing_ here */
51 /* arch number of Lubbock-Board mk@tbd: fix this! */
52 gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK;
54 /* adress of boot parameters */
55 gd->bd->bi_boot_params = 0xa0000100;
60 int board_late_init(void)
62 #ifdef DELTA_CHECK_KEYBD
63 uchar kbd_data[KEYBD_DATALEN];
64 char keybd_env[2 * KEYBD_DATALEN + 1];
67 #endif /* DELTA_CHECK_KEYBD */
69 setenv("stdout", "serial");
70 setenv("stderr", "serial");
72 #ifdef DELTA_CHECK_KEYBD
75 memset(kbd_data, '\0', KEYBD_DATALEN);
77 /* check for pressed keys and setup keybd_env */
78 get_pressed_keys(kbd_data);
80 for (i = 0; i < KEYBD_DATALEN; ++i) {
81 sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
83 setenv ("keybd", keybd_env);
85 str = strdup ((char *)key_match (kbd_data)); /* decode keys */
87 # ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
88 setenv ("preboot", str); /* set or delete definition */
89 # endif /* CONFIG_PREBOOT */
93 #endif /* DELTA_CHECK_KEYBD */
100 * Magic Key Handling, mainly copied from board/lwmon/lwmon.c
102 #ifdef DELTA_CHECK_KEYBD
104 static uchar kbd_magic_prefix[] = "key_magic";
105 static uchar kbd_command_prefix[] = "key_cmd";
109 * s is a buffer of size KEYBD_DATALEN-1
111 static void get_pressed_keys(uchar *s)
117 *s++ = KEYBD_KP_DKIN0;
119 *s++ = KEYBD_KP_DKIN1;
121 *s++ = KEYBD_KP_DKIN2;
123 *s++ = KEYBD_KP_DKIN5;
126 static void keys_init()
128 writel(readl(CKENB) | CKENB_7_GPIO, CKENB);
131 /* Configure GPIOs */
132 writel(0xa840, GPIO127); /* KP_DKIN0 */
133 writel(0xa840, GPIO114); /* KP_DKIN1 */
134 writel(0xa840, GPIO125); /* KP_DKIN2 */
135 writel(0xa840, GPIO118); /* KP_DKIN5 */
137 /* Configure GPIOs as inputs */
138 writel(readl(GPDR3) & ~(1<<31 | 1<<18 | 1<<29 | 1<<22), GPDR3);
139 writel((1<<31 | 1<<18 | 1<<29 | 1<<22), GCDR3);
144 static int compare_magic (uchar *kbd_data, uchar *str)
146 /* uchar compare[KEYBD_DATALEN-1]; */
147 uchar compare[KEYBD_DATALEN];
151 /* Don't include modifier byte */
152 /* memcpy (compare, kbd_data+1, KEYBD_DATALEN-1); */
153 memcpy (compare, kbd_data, KEYBD_DATALEN);
155 for (; str != NULL; str = (*nxt) ? (uchar *)(nxt+1) : (uchar *)nxt) {
159 c = (uchar) simple_strtoul ((char *)str, (char **) (&nxt), 16);
161 if (str == (uchar *)nxt) { /* invalid character */
166 * Check if this key matches the input.
167 * Set matches to zero, so they match only once
168 * and we can find duplicates or extra keys
170 for (k = 0; k < sizeof(compare); ++k) {
171 if (compare[k] == '\0') /* only non-zero entries */
173 if (c == compare[k]) { /* found matching key */
178 if (k == sizeof(compare)) {
179 return -1; /* unmatched key */
184 * A full match leaves no keys in the `compare' array,
186 for (i = 0; i < sizeof(compare); ++i) {
197 static uchar *key_match (uchar *kbd_data)
199 char magic[sizeof (kbd_magic_prefix) + 1];
201 char *kbd_magic_keys;
204 * The following string defines the characters that can pe appended
205 * to "key_magic" to form the names of environment variables that
206 * hold "magic" key codes, i. e. such key codes that can cause
207 * pre-boot actions. If the string is empty (""), then only
208 * "key_magic" is checked (old behaviour); the string "125" causes
209 * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
211 if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
214 /* loop over all magic keys;
215 * use '\0' suffix in case of empty string
217 for (suffix=(uchar *)kbd_magic_keys; *suffix || suffix==(uchar *)kbd_magic_keys; ++suffix) {
218 sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
220 printf ("### Check magic \"%s\"\n", magic);
222 if (compare_magic(kbd_data, (uchar *)getenv(magic)) == 0) {
223 char cmd_name[sizeof (kbd_command_prefix) + 1];
226 sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
228 cmd = getenv (cmd_name);
230 printf ("### Set PREBOOT to $(%s): \"%s\"\n",
231 cmd_name, cmd ? cmd : "<<NULL>>");
234 return ((uchar *)cmd);
238 printf ("### Delete PREBOOT\n");
244 int do_kbd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
246 uchar kbd_data[KEYBD_DATALEN];
247 char keybd_env[2 * KEYBD_DATALEN + 1];
251 get_pressed_keys(kbd_data);
253 for (i = 0; i < KEYBD_DATALEN; ++i) {
254 sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
255 printf (" %02x", kbd_data[i]);
258 setenv ("keybd", keybd_env);
264 "read keyboard status",
268 #endif /* DELTA_CHECK_KEYBD */
273 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
274 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
275 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
276 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
277 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
278 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
279 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
280 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
285 void i2c_init_board()
287 writel(readl(CKENB) | (CKENB_4_I2C), CKENB);
289 /* setup I2C GPIO's */
290 writel(0x801, GPIO32); /* SCL = Alt. Fkt. 1 */
291 writel(0x801, GPIO33); /* SDA = Alt. Fkt. 1 */
294 /* initialize the DA9030 Power Controller */
295 static void init_DA9030()
297 uchar addr = (uchar) DA9030_I2C_ADDR, val = 0;
299 writel(readl(CKENB) | CKENB_7_GPIO, CKENB);
302 /* Rising Edge on EXTON to reset DA9030 */
303 writel(0x8800, GPIO17); /* configure GPIO17, no pullup, -down */
304 writel(readl(GPDR0) | (1<<17), GPDR0); /* GPIO17 is output */
305 writel((1<<17), GSDR0);
306 writel((1<<17), GPCR0); /* drive GPIO17 low */
307 writel((1<<17), GPSR0); /* drive GPIO17 high */
309 #if CONFIG_SYS_DA9030_EXTON_DELAY
310 udelay((unsigned long) CONFIG_SYS_DA9030_EXTON_DELAY); /* wait for DA9030 */
312 writel((1<<17), GPCR0); /* drive GPIO17 low */
314 /* reset the watchdog and go active (0xec) */
315 val = (SYS_CONTROL_A_HWRES_ENABLE |
317 SYS_CONTROL_A_WDOG_ACTION |
318 SYS_CONTROL_A_WATCHDOG);
319 if(i2c_write(addr, SYS_CONTROL_A, 1, &val, 1)) {
320 printf("Error accessing DA9030 via i2c.\n");
325 if(i2c_write(addr, IRQ_MASK_B, 1, &val, 1)) {
326 printf("Error accessing DA9030 via i2c.\n");
330 i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */
331 i2c_reg_write(addr, LDO2_3, 0xd1); /* LDO2 =1,9V, LDO3=3,1V */
332 i2c_reg_write(addr, LDO4_5, 0xcc); /* LDO2 =1,9V, LDO3=3,1V */
333 i2c_reg_write(addr, LDO6_SIMCP, 0x3e); /* LDO6=3,2V, SIMCP = 5V support */
334 i2c_reg_write(addr, LDO7_8, 0xc9); /* LDO7=2,7V, LDO8=3,0V */
335 i2c_reg_write(addr, LDO9_12, 0xec); /* LDO9=3,0V, LDO12=3,2V */
336 i2c_reg_write(addr, BUCK, 0x0c); /* Buck=1.2V */
337 i2c_reg_write(addr, REG_CONTROL_2_98, 0x7f); /* All LDO'S on 8,9,10,11,12,14 */
338 i2c_reg_write(addr, LDO_10_11, 0xcc); /* LDO10=3.0V LDO11=3.0V */
339 i2c_reg_write(addr, LDO_15, 0xae); /* LDO15=1.8V, dislock first 3bit */
340 i2c_reg_write(addr, LDO_14_16, 0x05); /* LDO14=2.8V, LDO16=NB */
341 i2c_reg_write(addr, LDO_18_19, 0x9c); /* LDO18=3.0V, LDO19=2.7V */
342 i2c_reg_write(addr, LDO_17_SIMCP0, 0x2c); /* LDO17=3.0V, SIMCP=3V support */
343 i2c_reg_write(addr, BUCK2_DVC1, 0x9a); /* Buck2=1.5V plus Update support of 520 MHz */
344 i2c_reg_write(addr, REG_CONTROL_2_18, 0x43); /* Ball on */
345 i2c_reg_write(addr, MISC_CONTROLB, 0x08); /* session valid enable */
346 i2c_reg_write(addr, USBPUMP, 0xc1); /* start pump, ignore HW signals */
348 val = i2c_reg_read(addr, STATUS);
349 if(val & STATUS_CHDET)
350 printf("Charger detected, turning on LED.\n");
352 printf("No charger detetected.\n");
353 /* undervoltage? print error and power down */
359 /* reset the DA9030 watchdog */
360 void hw_watchdog_reset(void)
362 uchar addr = (uchar) DA9030_I2C_ADDR, val = 0;
363 val = i2c_reg_read(addr, SYS_CONTROL_A);
364 val |= SYS_CONTROL_A_WATCHDOG;
365 i2c_reg_write(addr, SYS_CONTROL_A, val);
369 #ifdef CONFIG_CMD_NET
370 int board_eth_init(bd_t *bis)
373 #ifdef CONFIG_SMC91111
374 rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);