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stroese22a40b02003-09-12 08:42:13 +00001/*
stroesecd5396f2004-12-16 18:41:27 +00002 * (C) Copyright 2001-2004
stroese22a40b02003-09-12 08:42:13 +00003 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +010025#include <asm/io.h>
stroese22a40b02003-09-12 08:42:13 +000026#include <asm/processor.h>
27#include <command.h>
28#include <malloc.h>
29
30/* ------------------------------------------------------------------------- */
31
32#if 0
33#define FPGA_DEBUG
34#endif
35
36extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
stroesecd5396f2004-12-16 18:41:27 +000037extern void lxt971_no_sleep(void);
stroese22a40b02003-09-12 08:42:13 +000038
39/* fpga configuration data - gzip compressed and generated by bin2c */
40const unsigned char fpgadata[] =
41{
42#include "fpgadata.c"
43};
44
45/*
46 * include common fpga code (for esd boards)
47 */
48#include "../common/fpga.c"
49
50
51/* Prototypes */
wdenkeedcd072004-09-08 22:03:11 +000052int gunzip(void *, int, unsigned char *, unsigned long *);
stroese22a40b02003-09-12 08:42:13 +000053
54
stroesecd5396f2004-12-16 18:41:27 +000055/* logo bitmap data - gzip compressed and generated by bin2c */
56unsigned char logo_bmp_320[] =
57{
58#include "logo_320_240_4bpp.c"
59};
60
61unsigned char logo_bmp_640[] =
62{
63#include "logo_640_480_24bpp.c"
64};
65
66
67/*
68 * include common lcd code (for esd boards)
69 */
70#include "../common/lcd.c"
71
72#include "../common/s1d13704_320_240_4bpp.h"
73#include "../common/s1d13806_320_240_4bpp.h"
74#include "../common/s1d13806_640_480_16bpp.h"
75
76
wdenkc837dcb2004-01-20 23:12:12 +000077int board_early_init_f (void)
stroese22a40b02003-09-12 08:42:13 +000078{
79 /*
80 * IRQ 0-15 405GP internally generated; active high; level sensitive
81 * IRQ 16 405GP internally generated; active low; level sensitive
82 * IRQ 17-24 RESERVED
83 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
84 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
85 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
86 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
87 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
88 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
89 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
90 */
91 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
92 mtdcr(uicer, 0x00000000); /* disable all ints */
93 mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
94 mtdcr(uicpr, 0xFFFFFFB5); /* set int polarities */
95 mtdcr(uictr, 0x10000000); /* set int trigger levels */
96 mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
97 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
98
99 /*
100 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
101 */
102 mtebc (epcr, 0xa8400000); /* ebc always driven */
103
104 return 0;
105}
106
stroese22a40b02003-09-12 08:42:13 +0000107int misc_init_r (void)
108{
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100109 unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4);
110 unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4);
111 unsigned short *lcd_contrast =
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200112 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 4);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100113 unsigned short *lcd_backlight =
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200114 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 6);
stroese22a40b02003-09-12 08:42:13 +0000115 unsigned char *dst;
116 ulong len = sizeof(fpgadata);
117 int status;
118 int index;
119 int i;
stroesecd5396f2004-12-16 18:41:27 +0000120 char *str;
stroese22a40b02003-09-12 08:42:13 +0000121
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200122 dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
123 if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
stroese22a40b02003-09-12 08:42:13 +0000124 printf ("GUNZIP ERROR - must RESET board to recover\n");
125 do_reset (NULL, 0, 0, NULL);
126 }
127
128 status = fpga_boot(dst, len);
129 if (status != 0) {
130 printf("\nFPGA: Booting failed ");
131 switch (status) {
132 case ERROR_FPGA_PRG_INIT_LOW:
133 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
134 break;
135 case ERROR_FPGA_PRG_INIT_HIGH:
136 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
137 break;
138 case ERROR_FPGA_PRG_DONE:
139 printf("(Timeout: DONE not high after programming FPGA)\n ");
140 break;
141 }
142
143 /* display infos on fpgaimage */
144 index = 15;
145 for (i=0; i<4; i++) {
146 len = dst[index];
147 printf("FPGA: %s\n", &(dst[index+1]));
148 index += len+3;
149 }
150 putc ('\n');
151 /* delayed reboot */
152 for (i=20; i>0; i--) {
153 printf("Rebooting in %2d seconds \r",i);
154 for (index=0;index<1000;index++)
155 udelay(1000);
156 }
157 putc ('\n');
158 do_reset(NULL, 0, 0, NULL);
159 }
160
161 puts("FPGA: ");
162
163 /* display infos on fpgaimage */
164 index = 15;
165 for (i=0; i<4; i++) {
166 len = dst[index];
167 printf("%s ", &(dst[index+1]));
168 index += len+3;
169 }
170 putc ('\n');
171
172 free(dst);
173
174 /*
stroesecd5396f2004-12-16 18:41:27 +0000175 * Reset FPGA via FPGA_INIT pin
stroese22a40b02003-09-12 08:42:13 +0000176 */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100177 out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */
178 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~FPGA_INIT); /* reset low */
stroese22a40b02003-09-12 08:42:13 +0000179 udelay(1000); /* wait 1ms */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100180 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | FPGA_INIT); /* reset high */
stroese22a40b02003-09-12 08:42:13 +0000181 udelay(1000); /* wait 1ms */
182
183 /*
184 * Reset external DUARTs
185 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200186 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_DUART_RST); /* set reset to high */
stroese22a40b02003-09-12 08:42:13 +0000187 udelay(10); /* wait 10us */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200188 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); /* set reset to low */
stroese22a40b02003-09-12 08:42:13 +0000189 udelay(1000); /* wait 1ms */
190
191 /*
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100192 * Set NAND-FLASH GPIO signals to default
193 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200194 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE));
195 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_NAND_CE);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100196
197 /*
198 * Setup EEPROM write protection
199 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200200 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
201 out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_EEPROM_WP);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100202
203 /*
stroese22a40b02003-09-12 08:42:13 +0000204 * Enable interrupts in exar duart mcr[3]
205 */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100206 out_8(duart0_mcr, 0x08);
207 out_8(duart1_mcr, 0x08);
stroese22a40b02003-09-12 08:42:13 +0000208
209 /*
stroesecd5396f2004-12-16 18:41:27 +0000210 * Init lcd interface and display logo
211 */
212 str = getenv("bd_type");
213 if (strcmp(str, "voh405_bw") == 0) {
214 lcd_setup(0, 1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200215 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
stroesecd5396f2004-12-16 18:41:27 +0000216 regs_13704_320_240_4bpp,
217 sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
218 logo_bmp_320, sizeof(logo_bmp_320));
219 } else if (strcmp(str, "voh405_bwbw") == 0) {
220 lcd_setup(0, 1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200221 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
stroesecd5396f2004-12-16 18:41:27 +0000222 regs_13704_320_240_4bpp,
223 sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
224 logo_bmp_320, sizeof(logo_bmp_320));
225 lcd_setup(1, 1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200226 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
stroesecd5396f2004-12-16 18:41:27 +0000227 regs_13806_320_240_4bpp,
228 sizeof(regs_13806_320_240_4bpp)/sizeof(regs_13806_320_240_4bpp[0]),
229 logo_bmp_320, sizeof(logo_bmp_320));
230 } else if (strcmp(str, "voh405_bwc") == 0) {
231 lcd_setup(0, 1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200232 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
stroesecd5396f2004-12-16 18:41:27 +0000233 regs_13704_320_240_4bpp,
234 sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
235 logo_bmp_320, sizeof(logo_bmp_320));
236 lcd_setup(1, 0);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200237 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
stroesecd5396f2004-12-16 18:41:27 +0000238 regs_13806_640_480_16bpp,
239 sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
240 logo_bmp_640, sizeof(logo_bmp_640));
241 } else {
242 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
243 return 0;
244 }
245
246 /*
247 * Set invert bit in small lcd controller
248 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200249 out_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2),
250 in_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2)) | 0x01);
stroesecd5396f2004-12-16 18:41:27 +0000251
252 /*
stroese22a40b02003-09-12 08:42:13 +0000253 * Set default contrast voltage on epson vga controller
254 */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100255 out_be16(lcd_contrast, 0x4646);
stroesecd5396f2004-12-16 18:41:27 +0000256
257 /*
258 * Enable backlight
259 */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100260 out_be16(lcd_backlight, 0xffff);
261
262 /*
263 * Enable external I2C bus
264 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200265 out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_IIC_ON);
stroese22a40b02003-09-12 08:42:13 +0000266
267 return (0);
268}
269
270
271/*
272 * Check Board Identity:
273 */
274
275int checkboard (void)
276{
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200277 char str[64];
stroese22a40b02003-09-12 08:42:13 +0000278 int i = getenv_r ("serial#", str, sizeof(str));
279
280 puts ("Board: ");
281
282 if (i == -1) {
283 puts ("### No HW ID - assuming VOH405");
284 } else {
285 puts(str);
286 }
287
stroesecd5396f2004-12-16 18:41:27 +0000288 if (getenv_r("bd_type", str, sizeof(str)) != -1) {
289 printf(" (%s)", str);
290 } else {
291 puts(" (Missing bd_type!)");
292 }
293
stroese22a40b02003-09-12 08:42:13 +0000294 putc ('\n');
295
stroese22a40b02003-09-12 08:42:13 +0000296 return 0;
297}
298
stroese22a40b02003-09-12 08:42:13 +0000299#ifdef CONFIG_IDE_RESET
Matthias Fuchsbb57ad42009-02-20 10:19:19 +0100300#define FPGA_MODE (CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL)
stroese22a40b02003-09-12 08:42:13 +0000301void ide_set_reset(int on)
302{
stroese22a40b02003-09-12 08:42:13 +0000303 /*
304 * Assert or deassert CompactFlash Reset Pin
305 */
306 if (on) { /* assert RESET */
Matthias Fuchsbb57ad42009-02-20 10:19:19 +0100307 out_be16((void *)FPGA_MODE,
308 in_be16((void *)FPGA_MODE) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET);
stroese22a40b02003-09-12 08:42:13 +0000309 } else { /* release RESET */
Matthias Fuchsbb57ad42009-02-20 10:19:19 +0100310 out_be16((void *)FPGA_MODE,
311 in_be16((void *)FPGA_MODE) | CONFIG_SYS_FPGA_CTRL_CF_RESET);
stroese22a40b02003-09-12 08:42:13 +0000312 }
313}
314#endif /* CONFIG_IDE_RESET */
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100315
316#if defined(CONFIG_RESET_PHY_R)
317void reset_phy(void)
318{
319#ifdef CONFIG_LXT971_NO_SLEEP
320
321 /*
322 * Disable sleep mode in LXT971
323 */
324 lxt971_no_sleep();
325#endif
326}
327#endif
328
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200329#if defined(CONFIG_SYS_EEPROM_WREN)
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100330/* Input: <dev_addr> I2C address of EEPROM device to enable.
331 * <state> -1: deliver current state
332 * 0: disable write
333 * 1: enable write
334 * Returns: -1: wrong device address
335 * 0: dis-/en- able done
336 * 0/1: current state if <state> was -1.
337 */
338int eeprom_write_enable (unsigned dev_addr, int state)
339{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200340 if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100341 return -1;
342 } else {
343 switch (state) {
344 case 1:
345 /* Enable write access, clear bit GPIO0. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200346 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100347 state = 0;
348 break;
349 case 0:
350 /* Disable write access, set bit GPIO0. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200351 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100352 state = 0;
353 break;
354 default:
355 /* Read current status back. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200356 state = (0 == (in_be32((void*)GPIO0_OR) & CONFIG_SYS_EEPROM_WP));
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100357 break;
358 }
359 }
360 return state;
361}
362
363int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
364{
365 int query = argc == 1;
366 int state = 0;
367
368 if (query) {
369 /* Query write access state. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200370 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100371 if (state < 0) {
372 puts ("Query of write access state failed.\n");
373 } else {
374 printf ("Write access for device 0x%0x is %sabled.\n",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200375 CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100376 state = 0;
377 }
378 } else {
379 if ('0' == argv[1][0]) {
380 /* Disable write access. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200381 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100382 } else {
383 /* Enable write access. */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200384 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100385 }
386 if (state < 0) {
387 puts ("Setup of write access state failed.\n");
388 }
389 }
390
391 return state;
392}
393
394U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
Peter Tyser2fb26042009-01-27 18:03:12 -0600395 "Enable / disable / query EEPROM write access",
Matthias Fuchsb56bd0f2007-12-28 17:10:42 +0100396 NULL);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200397#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */