2 * (C) Copyright 2001-2004
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
8 * (C) Copyright 2006-2007
9 * Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include <asm/processor.h>
38 DECLARE_GLOBAL_DATA_PTR;
40 /* FPGA internal regs */
41 #define FPGA_CTRL ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x000))
42 #define FPGA_STATUS ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x002))
43 #define FPGA_CTR ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x004))
44 #define FPGA_BL ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x006))
46 /* FPGA Control Reg */
47 #define FPGA_CTRL_REV0 0x0001
48 #define FPGA_CTRL_REV1 0x0002
49 #define FPGA_CTRL_VGA0_BL 0x0004
50 #define FPGA_CTRL_VGA0_BL_MODE 0x0008
51 #define FPGA_CTRL_CF_RESET 0x0040
52 #define FPGA_CTRL_PS2_PWR 0x0080
53 #define FPGA_CTRL_CF_PWRN 0x0100 /* low active */
54 #define FPGA_CTRL_CF_BUS_EN 0x0200
55 #define FPGA_CTRL_LCD_CLK 0x7000 /* mask for lcd clock */
56 #define FPGA_CTRL_OW_ENABLE 0x8000
58 #define FPGA_STATUS_CF_DETECT 0x8000
60 #ifdef CONFIG_VIDEO_SM501
62 #define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
63 (((x) & 0x00ff0000) >> 8) | (((x) & 0xff000000) >> 24) )
65 #ifdef CONFIG_VIDEO_SM501_8BPP
66 #error CONFIG_VIDEO_SM501_8BPP not supported.
67 #endif /* CONFIG_VIDEO_SM501_8BPP */
69 #ifdef CONFIG_VIDEO_SM501_16BPP
73 * 800x600 display B084SN03: PCLK = 40MHz
78 static const SMI_REGS init_regs_800x600 [] =
81 {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
83 {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
85 {0x00004, SWAP32(0x00000000)},
86 /* clocks for pm1... */
87 {0x00048, SWAP32(0x00021807)},
88 {0x0004C, SWAP32(0x221a0a01)},
89 {0x00054, SWAP32(0x00000001)},
90 /* clocks for pm0... */
91 {0x00040, SWAP32(0x00021807)},
92 {0x00044, SWAP32(0x221a0a01)},
93 {0x00054, SWAP32(0x00000000)},
95 {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
96 /* panel control regs... */
97 {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
98 {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
99 {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
100 {0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */
101 {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
102 {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
103 {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
104 {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
105 {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
106 {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
107 {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
108 {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
109 {0x80200, SWAP32(0x00010000)}, /* crt display control */
114 * 1024x768 display G150XG02: PCLK = 65MHz
119 static const SMI_REGS init_regs_1024x768 [] =
121 {0x00004, SWAP32(0x00000000)},
122 /* clocks for pm1... */
123 {0x00048, SWAP32(0x00021807)},
124 {0x0004C, SWAP32(0x011a0a01)},
125 {0x00054, SWAP32(0x00000001)},
126 /* clocks for pm0... */
127 {0x00040, SWAP32(0x00021807)},
128 {0x00044, SWAP32(0x011a0a01)},
129 {0x00054, SWAP32(0x00000000)},
131 {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
132 /* panel control regs... */
133 {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
134 {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
135 {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
136 {0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */
137 {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
138 {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
139 {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
140 {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
141 {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
142 {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
143 {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
144 {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
145 {0x80200, SWAP32(0x00010000)}, /* crt display control */
149 #endif /* CONFIG_VIDEO_SM501_16BPP */
151 #ifdef CONFIG_VIDEO_SM501_32BPP
155 * 800x600 display B084SN03: PCLK = 40MHz
160 static const SMI_REGS init_regs_800x600 [] =
162 #if 0 /* test-only */
163 {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
165 {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
167 {0x00004, SWAP32(0x00000000)},
168 /* clocks for pm1... */
169 {0x00048, SWAP32(0x00021807)},
170 {0x0004C, SWAP32(0x221a0a01)},
171 {0x00054, SWAP32(0x00000001)},
172 /* clocks for pm0... */
173 {0x00040, SWAP32(0x00021807)},
174 {0x00044, SWAP32(0x221a0a01)},
175 {0x00054, SWAP32(0x00000000)},
177 {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
178 /* panel control regs... */
179 {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
180 {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
181 {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
182 {0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */
183 {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
184 {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
185 {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
186 {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
187 {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
188 {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
189 {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
190 {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
191 {0x80200, SWAP32(0x00010000)}, /* crt display control */
196 * 1024x768 display G150XG02: PCLK = 65MHz
201 static const SMI_REGS init_regs_1024x768 [] =
203 {0x00004, SWAP32(0x00000000)},
204 /* clocks for pm1... */
205 {0x00048, SWAP32(0x00021807)},
206 {0x0004C, SWAP32(0x011a0a01)},
207 {0x00054, SWAP32(0x00000001)},
208 /* clocks for pm0... */
209 {0x00040, SWAP32(0x00021807)},
210 {0x00044, SWAP32(0x011a0a01)},
211 {0x00054, SWAP32(0x00000000)},
213 {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
214 /* panel control regs... */
215 {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
216 {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
217 {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
218 {0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */
219 {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
220 {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
221 {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
222 {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
223 {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
224 {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
225 {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
226 {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
227 {0x80200, SWAP32(0x00010000)}, /* crt display control */
231 #endif /* CONFIG_VIDEO_SM501_32BPP */
233 #endif /* CONFIG_VIDEO_SM501 */
239 extern void lxt971_no_sleep(void);
241 /* fpga configuration data - gzip compressed and generated by bin2c */
242 const unsigned char fpgadata[] =
244 #include "fpgadata.c"
248 * include common fpga code (for esd boards)
250 #include "../common/fpga.c"
253 /* logo bitmap data - gzip compressed and generated by bin2c */
254 unsigned char logo_bmp_320[] =
256 #include "logo_320_240_4bpp.c"
259 unsigned char logo_bmp_320_8bpp[] =
261 #include "logo_320_240_8bpp.c"
264 unsigned char logo_bmp_640[] =
266 #include "logo_640_480_24bpp.c"
269 unsigned char logo_bmp_1024[] =
271 #include "logo_1024_768_8bpp.c"
276 * include common lcd code (for esd boards)
278 #include "../common/lcd.c"
280 #include "../common/s1d13704_320_240_4bpp.h"
281 #include "../common/s1d13705_320_240_8bpp.h"
282 #include "../common/s1d13806_640_480_16bpp.h"
283 #include "../common/s1d13806_1024_768_8bpp.h"
287 * include common auto-update code (for esd boards)
289 #include "../common/auto_update.h"
291 au_image_t au_image[] = {
292 {"hh405/preinst.img", 0, -1, AU_SCRIPT},
293 {"hh405/u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE},
294 {"hh405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND},
295 {"hh405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND},
296 {"hh405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND},
297 {"hh405/postinst.img", 0, 0, AU_SCRIPT},
300 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
304 * Get version of HH405 board from GPIO's
306 int board_revision(void)
308 unsigned long osrh_reg;
309 unsigned long isr1h_reg;
310 unsigned long tcr_reg;
314 * Setup GPIO pins (BLAST/GPIO0 and GPIO9 as GPIO)
316 osrh_reg = in_be32((void *)GPIO0_OSRH);
317 isr1h_reg = in_be32((void *)GPIO0_ISR1H);
318 tcr_reg = in_be32((void *)GPIO0_TCR);
319 out_be32((void *)GPIO0_OSRH, osrh_reg & ~0xC0003000); /* output select */
320 out_be32((void *)GPIO0_ISR1H, isr1h_reg | 0xC0003000); /* input select */
321 out_be32((void *)GPIO0_TCR, tcr_reg & ~0x80400000); /* select input */
323 udelay(1000); /* wait some time before reading input */
324 value = in_be32((void *)GPIO0_IR) & 0x80400000; /* get config bits */
327 * Restore GPIO settings
329 out_be32((void *)GPIO0_OSRH, osrh_reg); /* output select */
330 out_be32((void *)GPIO0_ISR1H, isr1h_reg); /* input select */
331 out_be32((void *)GPIO0_TCR, tcr_reg); /* enable output driver for outputs */
333 if (value & 0x80000000) {
334 /* Revision 1.0 or 1.1 detected */
337 if (value & 0x00400000) {
347 int board_early_init_f (void)
350 * IRQ 0-15 405GP internally generated; active high; level sensitive
351 * IRQ 16 405GP internally generated; active low; level sensitive
353 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
354 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
355 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
356 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
357 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
358 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
359 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
361 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
362 mtdcr(UIC0ER, 0x00000000); /* disable all ints */
363 mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
364 mtdcr(UIC0PR, CONFIG_SYS_UIC0_POLARITY);/* set int polarities */
365 mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
366 mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/
367 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
370 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
372 mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */
381 if (gd->board_type >= 2) {
382 if (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT) {
383 if (!(in_be16(FPGA_CTRL) & FPGA_CTRL_CF_BUS_EN)) {
385 in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_PWRN);
387 for (i=0; i<300; i++)
391 in_be16(FPGA_CTRL) | FPGA_CTRL_CF_BUS_EN);
398 in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_BUS_EN);
400 in_be16(FPGA_CTRL) | FPGA_CTRL_CF_PWRN);
407 int misc_init_r (void)
410 ulong len = sizeof(fpgadata);
415 unsigned long contrast0 = 0xffffffff;
417 dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
418 if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
419 printf ("GUNZIP ERROR - must RESET board to recover\n");
420 do_reset (NULL, 0, 0, NULL);
423 status = fpga_boot(dst, len);
425 printf("\nFPGA: Booting failed ");
427 case ERROR_FPGA_PRG_INIT_LOW:
428 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
430 case ERROR_FPGA_PRG_INIT_HIGH:
431 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
433 case ERROR_FPGA_PRG_DONE:
434 printf("(Timeout: DONE not high after programming FPGA)\n ");
438 /* display infos on fpgaimage */
440 for (i=0; i<4; i++) {
442 printf("FPGA: %s\n", &(dst[index+1]));
447 for (i=20; i>0; i--) {
448 printf("Rebooting in %2d seconds \r",i);
449 for (index=0;index<1000;index++)
453 do_reset(NULL, 0, 0, NULL);
458 /* display infos on fpgaimage */
460 for (i=0; i<4; i++) {
462 printf("%s ", &(dst[index+1]));
470 * Reset FPGA via FPGA_INIT pin
472 /* setup FPGA_INIT as output */
473 out_be32((void *)GPIO0_TCR,
474 in_be32((void *)GPIO0_TCR) | FPGA_INIT);
475 out_be32((void *)GPIO0_OR,
476 in_be32((void *)GPIO0_OR) & ~FPGA_INIT); /* reset low */
477 udelay(1000); /* wait 1ms */
478 out_be32((void *)GPIO0_OR,
479 in_be32((void *)GPIO0_OR) | FPGA_INIT); /* reset high */
480 udelay(1000); /* wait 1ms */
483 * Write Board revision into FPGA
485 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | (gd->board_type & 0x0003));
488 * Setup and enable EEPROM write protection
490 out_be32((void *)GPIO0_OR,
491 in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
494 * Reset touch-screen controller
496 out_be32((void *)GPIO0_OR,
497 in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_TOUCH_RST);
499 out_be32((void *)GPIO0_OR,
500 in_be32((void *)GPIO0_OR) | CONFIG_SYS_TOUCH_RST);
503 * Enable power on PS/2 interface (with reset)
505 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) & ~FPGA_CTRL_PS2_PWR);
508 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | FPGA_CTRL_PS2_PWR);
511 * Get contrast value from environment variable
513 str = getenv("contrast0");
515 contrast0 = simple_strtol(str, NULL, 16);
516 if (contrast0 > 255) {
517 printf("ERROR: contrast0 value too high (0x%lx)!\n",
519 contrast0 = 0xffffffff;
524 * Init lcd interface and display logo
527 str = getenv("bd_type");
528 if (strcmp(str, "ppc230") == 0) {
530 * Switch backlight on
533 in_be16(FPGA_CTRL) | FPGA_CTRL_VGA0_BL);
534 out_be16(FPGA_BL, 0x0000);
537 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
538 regs_13806_1024_768_8bpp,
539 sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]),
540 logo_bmp_1024, sizeof(logo_bmp_1024));
541 } else if (strcmp(str, "ppc220") == 0) {
543 * Switch backlight on
546 in_be16(FPGA_CTRL) & ~FPGA_CTRL_VGA0_BL);
547 out_be16(FPGA_BL, 0x0000);
550 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
551 regs_13806_640_480_16bpp,
552 sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
553 logo_bmp_640, sizeof(logo_bmp_640));
554 } else if (strcmp(str, "ppc215") == 0) {
556 * Set default display contrast voltage
558 if (contrast0 == 0xffffffff) {
559 out_be16(FPGA_CTR, 0x0082);
561 out_be16(FPGA_CTR, contrast0);
563 out_be16(FPGA_BL, 0xffff);
565 * Switch backlight on
570 FPGA_CTRL_VGA0_BL_MODE);
572 * Set lcd clock (small epson)
574 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | LCD_CLK_06250);
575 udelay(100); /* wait for 100 us */
578 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
579 regs_13705_320_240_8bpp,
580 sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]),
581 logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp));
582 } else if (strcmp(str, "ppc210") == 0) {
584 * Set default display contrast voltage
586 if (contrast0 == 0xffffffff) {
587 out_be16(FPGA_CTR, 0x0060);
589 out_be16(FPGA_CTR, contrast0);
591 out_be16(FPGA_BL, 0xffff);
593 * Switch backlight on
598 FPGA_CTRL_VGA0_BL_MODE);
600 * Set lcd clock (small epson), enable 1-wire interface
605 FPGA_CTRL_OW_ENABLE);
608 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
609 regs_13704_320_240_4bpp,
610 sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
611 logo_bmp_320, sizeof(logo_bmp_320));
612 #ifdef CONFIG_VIDEO_SM501
617 * Is SM501 connected (ppc221/ppc231)?
619 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
620 if (devbusfn != -1) {
621 puts("VGA: SM501 with 8 MB ");
622 if (strcmp(str, "ppc221") == 0) {
623 printf("(800*600, %dbpp)\n", BPP);
624 out_be16(FPGA_BL, 0x002d); /* max. allowed brightness */
625 } else if (strcmp(str, "ppc231") == 0) {
626 printf("(1024*768, %dbpp)\n", BPP);
627 out_be16(FPGA_BL, 0x0000);
629 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
633 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
636 #endif /* CONFIG_VIDEO_SM501 */
646 * Check Board Identity:
649 int checkboard (void)
652 int i = getenv_f("serial#", str, sizeof(str));
657 puts ("### No HW ID - assuming HH405");
662 if (getenv_f("bd_type", str, sizeof(str)) != -1) {
665 puts(" (Missing bd_type!");
668 gd->board_type = board_revision();
669 printf(", Rev %ld.x)\n", gd->board_type);
674 #ifdef CONFIG_IDE_RESET
675 void ide_set_reset(int on)
677 if (((gd->board_type >= 2) &&
678 (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT)) ||
679 (gd->board_type < 2)) {
681 * Assert or deassert CompactFlash Reset Pin
683 if (on) { /* assert RESET */
687 ~FPGA_CTRL_CF_RESET);
688 } else { /* release RESET */
695 #endif /* CONFIG_IDE_RESET */
698 #if defined(CONFIG_SYS_EEPROM_WREN)
699 /* Input: <dev_addr> I2C address of EEPROM device to enable.
700 * <state> -1: deliver current state
703 * Returns: -1: wrong device address
704 * 0: dis-/en- able done
705 * 0/1: current state if <state> was -1.
707 int eeprom_write_enable (unsigned dev_addr, int state)
709 if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
714 /* Enable write access, clear bit GPIO_SINT2. */
715 out_be32((void *)GPIO0_OR,
716 in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
720 /* Disable write access, set bit GPIO_SINT2. */
721 out_be32((void *)GPIO0_OR,
722 in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
726 /* Read current status back. */
727 state = (0 == (in_be32((void *)GPIO0_OR) &
728 CONFIG_SYS_EEPROM_WP));
735 int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
737 int query = argc == 1;
741 /* Query write access state. */
742 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
744 puts ("Query of write access state failed.\n");
746 printf ("Write access for device 0x%0x is %sabled.\n",
747 CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
751 if ('0' == argv[1][0]) {
752 /* Disable write access. */
753 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
755 /* Enable write access. */
756 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
759 puts ("Setup of write access state failed.\n");
766 U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
767 "Enable / disable / query EEPROM write access",
770 #endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
773 #ifdef CONFIG_VIDEO_SM501
774 #ifdef CONFIG_CONSOLE_EXTRA_INFO
776 * Return text to be printed besides the logo.
778 void video_get_info_str (int line_number, char *info)
782 int i = getenv_f("serial#", str2, sizeof(str));
784 if (line_number == 1) {
785 sprintf(str, " Board: ");
788 strcat(str, "### No HW ID - assuming HH405");
793 if (getenv_f("bd_type", str2, sizeof(str2)) != -1) {
797 strcat(str, " (Missing bd_type!");
800 sprintf(str2, ", Rev %ld.x)", gd->board_type);
807 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
810 * Returns SM501 register base address. First thing called in the driver.
812 unsigned int board_video_init (void)
818 * Is SM501 connected (ppc221/ppc231)?
820 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
821 if (devbusfn != -1) {
822 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr);
823 return (addr & 0xfffffffe);
830 * Returns SM501 framebuffer address
832 unsigned int board_video_get_fb (void)
838 * Is SM501 connected (ppc221/ppc231)?
840 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
841 if (devbusfn != -1) {
842 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr);
844 #ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET
845 addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET;
854 * Called after initializing the SM501 and before clearing the screen.
856 void board_validate_screen (unsigned int base)
861 * Return a pointer to the initialization sequence.
863 const SMI_REGS *board_get_regs (void)
867 str = getenv("bd_type");
868 if (strcmp(str, "ppc221") == 0) {
869 return init_regs_800x600;
871 return init_regs_1024x768;
875 int board_get_width (void)
879 str = getenv("bd_type");
880 if (strcmp(str, "ppc221") == 0) {
887 int board_get_height (void)
891 str = getenv("bd_type");
892 if (strcmp(str, "ppc221") == 0) {
899 #endif /* CONFIG_VIDEO_SM501 */
904 #ifdef CONFIG_LXT971_NO_SLEEP
907 * Disable sleep mode in LXT971