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[karo-tx-uboot.git] / board / esd / apc405 / apc405.c
1 /*
2  * (C) Copyright 2005-2008
3  * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
4  *
5  * (C) Copyright 2001-2003
6  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26
27 #include <common.h>
28 #include <asm/processor.h>
29 #include <asm/io.h>
30 #include <command.h>
31 #include <malloc.h>
32 #include <flash.h>
33 #include <asm/4xx_pci.h>
34 #include <pci.h>
35
36 DECLARE_GLOBAL_DATA_PTR;
37
38 #undef FPGA_DEBUG
39
40 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
41 extern void lxt971_no_sleep(void);
42 extern ulong flash_get_size (ulong base, int banknum);
43
44 int flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT;
45
46 /* fpga configuration data - gzip compressed and generated by bin2c */
47 const unsigned char fpgadata[] =
48 {
49 #include "fpgadata.c"
50 };
51
52 /*
53  * include common fpga code (for esd boards)
54  */
55 #include "../common/fpga.c"
56
57 #ifdef CONFIG_LCD_USED
58 /* logo bitmap data - gzip compressed and generated by bin2c */
59 unsigned char logo_bmp[] =
60 {
61 #include "logo_640_480_24bpp.c"
62 };
63
64 /*
65  * include common lcd code (for esd boards)
66  */
67 #include "../common/lcd.c"
68 #include "../common/s1d13505_640_480_16bpp.h"
69 #include "../common/s1d13806_640_480_16bpp.h"
70 #endif /* CONFIG_LCD_USED */
71
72 /*
73  * include common auto-update code (for esd boards)
74  */
75 #include "../common/auto_update.h"
76
77 au_image_t au_image[] = {
78         {"preinst.img", 0, -1, AU_SCRIPT},
79         {"u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE | AU_PROTECT},
80         {"pImage", 0xfe000000, 0x00100000, AU_NOR | AU_PROTECT},
81         {"pImage.initrd", 0xfe100000, 0x00400000, AU_NOR | AU_PROTECT},
82         {"work.img", 0xfe500000, 0x01400000, AU_NOR},
83         {"data.img", 0xff900000, 0x00580000, AU_NOR},
84         {"logo.img", 0xffe80000, 0x00100000, AU_NOR | AU_PROTECT},
85         {"postinst.img", 0, 0, AU_SCRIPT},
86 };
87
88 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
89
90 int board_revision(void)
91 {
92         unsigned long CPC0_CR0Reg;
93         unsigned long value;
94
95         /*
96          * Get version of APC405 board from GPIO's
97          */
98
99         /* Setup GPIO pins (CS2/GPIO11, CS3/GPIO12 and CS4/GPIO13 as GPIO) */
100         CPC0_CR0Reg = mfdcr(CPC0_CR0);
101         mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03800000);
102         out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x001c0000);
103         out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x001c0000);
104
105         /* wait some time before reading input */
106         udelay(1000);
107
108         /* get config bits */
109         value = in_be32((void*)GPIO0_IR) & 0x001c0000;
110         /*
111          * Restore GPIO settings
112          */
113         mtdcr(CPC0_CR0, CPC0_CR0Reg);
114
115         switch (value) {
116         case 0x001c0000:
117                 /* CS2==1 && CS3==1 && CS4==1 -> version <= 1.2 */
118                 return 2;
119         case 0x000c0000:
120                 /* CS2==0 && CS3==1 && CS4==1 -> version 1.3 */
121                 return 3;
122         case 0x00180000:
123                 /* CS2==1 && CS3==1 && CS4==0 -> version 1.6 */
124                 return 6;
125         case 0x00140000:
126                 /* CS2==1 && CS3==0 && CS4==1 -> version 1.8 */
127                 return 8;
128         default:
129                 /* should not be reached! */
130                 return 0;
131         }
132 }
133
134 int board_early_init_f (void)
135 {
136         /*
137          * First pull fpga-prg pin low, to disable fpga logic
138          */
139         out_be32((void*)GPIO0_ODR, 0x00000000);        /* no open drain pins */
140         out_be32((void*)GPIO0_TCR, CONFIG_SYS_FPGA_PRG);      /* setup for output   */
141         out_be32((void*)GPIO0_OR, 0);                  /* pull prg low       */
142
143         /*
144          * IRQ 0-15  405GP internally generated; active high; level sensitive
145          * IRQ 16    405GP internally generated; active low; level sensitive
146          * IRQ 17-24 RESERVED
147          * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
148          * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
149          * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
150          * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
151          * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
152          * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
153          * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
154          */
155         mtdcr(UIC0SR, 0xFFFFFFFF);       /* clear all ints */
156         mtdcr(UIC0ER, 0x00000000);       /* disable all ints */
157         mtdcr(UIC0CR, 0x00000000);       /* set all to be non-critical*/
158         mtdcr(UIC0PR, 0xFFFFFF81);       /* set int polarities */
159         mtdcr(UIC0TR, 0x10000000);       /* set int trigger levels */
160         mtdcr(UIC0VCR, 0x00000001);      /* set vect base=0 */
161         mtdcr(UIC0SR, 0xFFFFFFFF);       /* clear all ints */
162
163         /*
164          * EBC Configuration Register: set ready timeout to 512 ebc-clks
165          */
166         mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */
167
168         /*
169          * New boards have a single 32MB flash connected to CS0
170          * instead of two 16MB flashes on CS0+1.
171          */
172         if (board_revision() >= 8) {
173                 /* disable CS1 */
174                 mtebc(PB1AP, 0);
175                 mtebc(PB1CR, 0);
176
177                 /* resize CS0 to 32MB */
178                 mtebc(PB0AP, CONFIG_SYS_EBC_PB0AP_HWREV8);
179                 mtebc(PB0CR, CONFIG_SYS_EBC_PB0CR_HWREV8);
180         }
181
182         return 0;
183 }
184
185 int board_early_init_r(void)
186 {
187         if (gd->board_type >= 8)
188                 flash_banks = 1;
189
190         return 0;
191 }
192
193 #define FUJI_BASE    0xf0100200
194 #define LCDBL_PWM    0xa0
195 #define LCDBL_PWMMIN 0xa4
196 #define LCDBL_PWMMAX 0xa8
197
198 int misc_init_r(void)
199 {
200         u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
201         u16 *fpga_ctrl2 =(u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL2);
202         u8 *duart0_mcr = (u8 *)(DUART0_BA + 4);
203         u8 *duart1_mcr = (u8 *)(DUART1_BA + 4);
204         unsigned char *dst;
205         ulong len = sizeof(fpgadata);
206         int status;
207         int index;
208         int i;
209         unsigned long CPC0_CR0Reg;
210         char *str;
211         uchar *logo_addr;
212         ulong logo_size;
213         ushort minb, maxb;
214         int result;
215
216         /*
217          * Setup GPIO pins (CS6+CS7 as GPIO)
218          */
219         CPC0_CR0Reg = mfdcr(CPC0_CR0);
220         mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000);
221
222         dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
223         if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
224                 printf("GUNZIP ERROR - must RESET board to recover\n");
225                 do_reset(NULL, 0, 0, NULL);
226         }
227
228         status = fpga_boot(dst, len);
229         if (status != 0) {
230                 printf("\nFPGA: Booting failed ");
231                 switch (status) {
232                 case ERROR_FPGA_PRG_INIT_LOW:
233                         printf("(Timeout: "
234                                "INIT not low after asserting PROGRAM*)\n ");
235                         break;
236                 case ERROR_FPGA_PRG_INIT_HIGH:
237                         printf("(Timeout: "
238                                "INIT not high after deasserting PROGRAM*)\n ");
239                         break;
240                 case ERROR_FPGA_PRG_DONE:
241                         printf("(Timeout: "
242                                "DONE not high after programming FPGA)\n ");
243                         break;
244                 }
245
246                 /* display infos on fpgaimage */
247                 index = 15;
248                 for (i = 0; i < 4; i++) {
249                         len = dst[index];
250                         printf("FPGA: %s\n", &(dst[index+1]));
251                         index += len + 3;
252                 }
253                 putc('\n');
254                 /* delayed reboot */
255                 for (i = 20; i > 0; i--) {
256                         printf("Rebooting in %2d seconds \r",i);
257                         for (index = 0; index < 1000; index++)
258                                 udelay(1000);
259                 }
260                 putc('\n');
261                 do_reset(NULL, 0, 0, NULL);
262         }
263
264         /* restore gpio/cs settings */
265         mtdcr(CPC0_CR0, CPC0_CR0Reg);
266
267         puts("FPGA:  ");
268
269         /* display infos on fpgaimage */
270         index = 15;
271         for (i = 0; i < 4; i++) {
272                 len = dst[index];
273                 printf("%s ", &(dst[index + 1]));
274                 index += len + 3;
275         }
276         putc('\n');
277
278         free(dst);
279
280         /*
281          * Reset FPGA via FPGA_DATA pin
282          */
283         SET_FPGA(FPGA_PRG | FPGA_CLK);
284         udelay(1000); /* wait 1ms */
285         SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
286         udelay(1000); /* wait 1ms */
287
288         /*
289          * Write board revision in FPGA
290          */
291         out_be16(fpga_ctrl2,
292                  (in_be16(fpga_ctrl2) & 0xfff0) | (gd->board_type & 0x000f));
293
294         /*
295          * Enable power on PS/2 interface (with reset)
296          */
297         out_be16(fpga_mode, in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_PS2_RESET);
298         for (i=0;i<100;i++)
299                 udelay(1000);
300         udelay(1000);
301         out_be16(fpga_mode, in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_PS2_RESET);
302
303         /*
304          * Enable interrupts in exar duart mcr[3]
305          */
306         out_8(duart0_mcr, 0x08);
307         out_8(duart1_mcr, 0x08);
308
309         /*
310          * Init lcd interface and display logo
311          */
312         str = getenv("splashimage");
313         if (str) {
314                 logo_addr = (uchar *)simple_strtoul(str, NULL, 16);
315                 logo_size = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
316         } else {
317                 logo_addr = logo_bmp;
318                 logo_size = sizeof(logo_bmp);
319         }
320
321         if (gd->board_type >= 6) {
322                 result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
323                                   (uchar *)CONFIG_SYS_LCD_BIG_MEM,
324                                   regs_13505_640_480_16bpp,
325                                   sizeof(regs_13505_640_480_16bpp) /
326                                   sizeof(regs_13505_640_480_16bpp[0]),
327                                   logo_addr, logo_size);
328                 if (result && str) {
329                         /* retry with internal image */
330                         logo_addr = logo_bmp;
331                         logo_size = sizeof(logo_bmp);
332                         lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
333                                  (uchar *)CONFIG_SYS_LCD_BIG_MEM,
334                                  regs_13505_640_480_16bpp,
335                                  sizeof(regs_13505_640_480_16bpp) /
336                                  sizeof(regs_13505_640_480_16bpp[0]),
337                                  logo_addr, logo_size);
338                 }
339         } else {
340                 result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
341                                   (uchar *)CONFIG_SYS_LCD_BIG_MEM,
342                                   regs_13806_640_480_16bpp,
343                                   sizeof(regs_13806_640_480_16bpp) /
344                                   sizeof(regs_13806_640_480_16bpp[0]),
345                                   logo_addr, logo_size);
346                 if (result && str) {
347                         /* retry with internal image */
348                         logo_addr = logo_bmp;
349                         logo_size = sizeof(logo_bmp);
350                         lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
351                                  (uchar *)CONFIG_SYS_LCD_BIG_MEM,
352                                  regs_13806_640_480_16bpp,
353                                  sizeof(regs_13806_640_480_16bpp) /
354                                  sizeof(regs_13806_640_480_16bpp[0]),
355                                  logo_addr, logo_size);
356                 }
357         }
358
359         /*
360          * Reset microcontroller and setup backlight PWM controller
361          */
362         out_be16(fpga_mode, in_be16(fpga_mode) | 0x0014);
363         for (i=0;i<10;i++)
364                 udelay(1000);
365         out_be16(fpga_mode, in_be16(fpga_mode) | 0x001c);
366
367         minb = 0;
368         maxb = 0xff;
369         str = getenv("lcdbl");
370         if (str) {
371                 minb = (ushort)simple_strtoul(str, &str, 16) & 0x00ff;
372                 if (str && (*str=',')) {
373                         str++;
374                         maxb = (ushort)simple_strtoul(str, NULL, 16) & 0x00ff;
375                 } else
376                         minb = 0;
377
378                 out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMIN), minb);
379                 out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMAX), maxb);
380
381                 printf("LCDBL: min=0x%02x, max=0x%02x\n", minb, maxb);
382         }
383         out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
384
385         /*
386          * fix environment for field updated units
387          */
388         if (getenv("altbootcmd") == NULL) {
389                 setenv("usb_load", CONFIG_SYS_USB_LOAD_COMMAND);
390                 setenv("usbargs", CONFIG_SYS_USB_ARGS);
391                 setenv("bootcmd", CONFIG_BOOTCOMMAND);
392                 setenv("usb_self", CONFIG_SYS_USB_SELF_COMMAND);
393                 setenv("bootlimit", CONFIG_SYS_BOOTLIMIT);
394                 setenv("altbootcmd", CONFIG_SYS_ALT_BOOTCOMMAND);
395                 saveenv();
396         }
397
398         return (0);
399 }
400
401 /*
402  * Check Board Identity:
403  */
404 int checkboard (void)
405 {
406         char str[64];
407         int i = getenv_f("serial#", str, sizeof(str));
408
409         puts ("Board: ");
410
411         if (i == -1) {
412                 puts ("### No HW ID - assuming APC405");
413         } else {
414                 puts(str);
415         }
416
417         gd->board_type = board_revision();
418         printf(", Rev. 1.%ld\n", gd->board_type);
419
420         return 0;
421 }
422
423 #ifdef CONFIG_IDE_RESET
424 void ide_set_reset(int on)
425 {
426         u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
427
428         /*
429          * Assert or deassert CompactFlash Reset Pin
430          */
431         if (on) {
432                 out_be16(fpga_mode,
433                          in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET);
434         } else {
435                 out_be16(fpga_mode,
436                          in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_CF_RESET);
437         }
438 }
439 #endif /* CONFIG_IDE_RESET */
440
441 void reset_phy(void)
442 {
443         /*
444          * Disable sleep mode in LXT971
445          */
446         lxt971_no_sleep();
447 }
448
449 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
450 int usb_board_init(void)
451 {
452         return 0;
453 }
454
455 int usb_board_stop(void)
456 {
457         unsigned short tmp;
458         int i;
459
460         /*
461          * reset PCI bus
462          * This is required to make some very old Linux OHCI driver
463          * work after U-Boot has used the OHCI controller.
464          */
465         pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &tmp);
466         pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (tmp | 0x1000));
467
468         for (i = 0; i < 100; i++)
469                 udelay(1000);
470
471         pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, tmp);
472         return 0;
473 }
474
475 int usb_board_init_fail(void)
476 {
477         usb_board_stop();
478         return 0;
479 }
480 #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */