2 * (C) Copyright 2005-2008
3 * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
5 * (C) Copyright 2001-2003
6 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
8 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <asm/processor.h>
33 #include <asm/4xx_pci.h>
36 DECLARE_GLOBAL_DATA_PTR;
40 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
41 extern void lxt971_no_sleep(void);
42 extern ulong flash_get_size (ulong base, int banknum);
44 int flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT;
46 /* fpga configuration data - gzip compressed and generated by bin2c */
47 const unsigned char fpgadata[] =
53 * include common fpga code (for esd boards)
55 #include "../common/fpga.c"
58 int gunzip(void *, int, unsigned char *, unsigned long *);
60 #ifdef CONFIG_LCD_USED
61 /* logo bitmap data - gzip compressed and generated by bin2c */
62 unsigned char logo_bmp[] =
64 #include "logo_640_480_24bpp.c"
68 * include common lcd code (for esd boards)
70 #include "../common/lcd.c"
71 #include "../common/s1d13505_640_480_16bpp.h"
72 #include "../common/s1d13806_640_480_16bpp.h"
73 #endif /* CONFIG_LCD_USED */
76 * include common auto-update code (for esd boards)
78 #include "../common/auto_update.h"
80 au_image_t au_image[] = {
81 {"preinst.img", 0, -1, AU_SCRIPT},
82 {"u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE | AU_PROTECT},
83 {"pImage", 0xfe000000, 0x00100000, AU_NOR | AU_PROTECT},
84 {"pImage.initrd", 0xfe100000, 0x00400000, AU_NOR | AU_PROTECT},
85 {"work.img", 0xfe500000, 0x01400000, AU_NOR},
86 {"data.img", 0xff900000, 0x00580000, AU_NOR},
87 {"logo.img", 0xffe80000, 0x00100000, AU_NOR | AU_PROTECT},
88 {"postinst.img", 0, 0, AU_SCRIPT},
91 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
93 int board_revision(void)
95 unsigned long cntrl0Reg;
99 * Get version of APC405 board from GPIO's
102 /* Setup GPIO pins (CS2/GPIO11, CS3/GPIO12 and CS4/GPIO13 as GPIO) */
103 cntrl0Reg = mfdcr(cntrl0);
104 mtdcr(cntrl0, cntrl0Reg | 0x03800000);
105 out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x001c0000);
106 out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x001c0000);
108 /* wait some time before reading input */
111 /* get config bits */
112 value = in_be32((void*)GPIO0_IR) & 0x001c0000;
114 * Restore GPIO settings
116 mtdcr(cntrl0, cntrl0Reg);
120 /* CS2==1 && CS3==1 && CS4==1 -> version <= 1.2 */
123 /* CS2==0 && CS3==1 && CS4==1 -> version 1.3 */
126 /* CS2==1 && CS3==1 && CS4==0 -> version 1.6 */
129 /* CS2==1 && CS3==0 && CS4==1 -> version 1.8 */
132 /* should not be reached! */
137 int board_early_init_f (void)
140 * First pull fpga-prg pin low, to disable fpga logic
142 out_be32((void*)GPIO0_ODR, 0x00000000); /* no open drain pins */
143 out_be32((void*)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */
144 out_be32((void*)GPIO0_OR, 0); /* pull prg low */
147 * IRQ 0-15 405GP internally generated; active high; level sensitive
148 * IRQ 16 405GP internally generated; active low; level sensitive
150 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
151 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
152 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
153 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
154 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
155 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
156 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
158 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
159 mtdcr(uicer, 0x00000000); /* disable all ints */
160 mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
161 mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */
162 mtdcr(uictr, 0x10000000); /* set int trigger levels */
163 mtdcr(uicvcr, 0x00000001); /* set vect base=0 */
164 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
167 * EBC Configuration Register: set ready timeout to 512 ebc-clks
169 mtebc(epcr, 0xa8400000); /* ebc always driven */
172 * New boards have a single 32MB flash connected to CS0
173 * instead of two 16MB flashes on CS0+1.
175 if (board_revision() >= 8) {
180 /* resize CS0 to 32MB */
181 mtebc(pb0ap, CONFIG_SYS_EBC_PB0AP_HWREV8);
182 mtebc(pb0cr, CONFIG_SYS_EBC_PB0CR_HWREV8);
188 int board_early_init_r(void)
190 if (gd->board_type >= 8)
196 #define FUJI_BASE 0xf0100200
197 #define LCDBL_PWM 0xa0
198 #define LCDBL_PWMMIN 0xa4
199 #define LCDBL_PWMMAX 0xa8
201 int misc_init_r(void)
203 u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
204 u16 *fpga_ctrl2 =(u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL2);
205 u8 *duart0_mcr = (u8 *)(DUART0_BA + 4);
206 u8 *duart1_mcr = (u8 *)(DUART1_BA + 4);
208 ulong len = sizeof(fpgadata);
212 unsigned long cntrl0Reg;
220 * Setup GPIO pins (CS6+CS7 as GPIO)
222 cntrl0Reg = mfdcr(cntrl0);
223 mtdcr(cntrl0, cntrl0Reg | 0x00300000);
225 dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
226 if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
227 printf("GUNZIP ERROR - must RESET board to recover\n");
228 do_reset(NULL, 0, 0, NULL);
231 status = fpga_boot(dst, len);
233 printf("\nFPGA: Booting failed ");
235 case ERROR_FPGA_PRG_INIT_LOW:
237 "INIT not low after asserting PROGRAM*)\n ");
239 case ERROR_FPGA_PRG_INIT_HIGH:
241 "INIT not high after deasserting PROGRAM*)\n ");
243 case ERROR_FPGA_PRG_DONE:
245 "DONE not high after programming FPGA)\n ");
249 /* display infos on fpgaimage */
251 for (i = 0; i < 4; i++) {
253 printf("FPGA: %s\n", &(dst[index+1]));
258 for (i = 20; i > 0; i--) {
259 printf("Rebooting in %2d seconds \r",i);
260 for (index = 0; index < 1000; index++)
264 do_reset(NULL, 0, 0, NULL);
267 /* restore gpio/cs settings */
268 mtdcr(cntrl0, cntrl0Reg);
272 /* display infos on fpgaimage */
274 for (i = 0; i < 4; i++) {
276 printf("%s ", &(dst[index + 1]));
284 * Reset FPGA via FPGA_DATA pin
286 SET_FPGA(FPGA_PRG | FPGA_CLK);
287 udelay(1000); /* wait 1ms */
288 SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
289 udelay(1000); /* wait 1ms */
292 * Write board revision in FPGA
295 (in_be16(fpga_ctrl2) & 0xfff0) | (gd->board_type & 0x000f));
298 * Enable power on PS/2 interface (with reset)
300 out_be16(fpga_mode, in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_PS2_RESET);
304 out_be16(fpga_mode, in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_PS2_RESET);
307 * Enable interrupts in exar duart mcr[3]
309 out_8(duart0_mcr, 0x08);
310 out_8(duart1_mcr, 0x08);
313 * Init lcd interface and display logo
315 str = getenv("splashimage");
317 logo_addr = (uchar *)simple_strtoul(str, NULL, 16);
318 logo_size = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
320 logo_addr = logo_bmp;
321 logo_size = sizeof(logo_bmp);
324 if (gd->board_type >= 6) {
325 result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
326 (uchar *)CONFIG_SYS_LCD_BIG_MEM,
327 regs_13505_640_480_16bpp,
328 sizeof(regs_13505_640_480_16bpp) /
329 sizeof(regs_13505_640_480_16bpp[0]),
330 logo_addr, logo_size);
332 /* retry with internal image */
333 logo_addr = logo_bmp;
334 logo_size = sizeof(logo_bmp);
335 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
336 (uchar *)CONFIG_SYS_LCD_BIG_MEM,
337 regs_13505_640_480_16bpp,
338 sizeof(regs_13505_640_480_16bpp) /
339 sizeof(regs_13505_640_480_16bpp[0]),
340 logo_addr, logo_size);
343 result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
344 (uchar *)CONFIG_SYS_LCD_BIG_MEM,
345 regs_13806_640_480_16bpp,
346 sizeof(regs_13806_640_480_16bpp) /
347 sizeof(regs_13806_640_480_16bpp[0]),
348 logo_addr, logo_size);
350 /* retry with internal image */
351 logo_addr = logo_bmp;
352 logo_size = sizeof(logo_bmp);
353 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
354 (uchar *)CONFIG_SYS_LCD_BIG_MEM,
355 regs_13806_640_480_16bpp,
356 sizeof(regs_13806_640_480_16bpp) /
357 sizeof(regs_13806_640_480_16bpp[0]),
358 logo_addr, logo_size);
363 * Reset microcontroller and setup backlight PWM controller
365 out_be16(fpga_mode, in_be16(fpga_mode) | 0x0014);
368 out_be16(fpga_mode, in_be16(fpga_mode) | 0x001c);
372 str = getenv("lcdbl");
374 minb = (ushort)simple_strtoul(str, &str, 16) & 0x00ff;
375 if (str && (*str=',')) {
377 maxb = (ushort)simple_strtoul(str, NULL, 16) & 0x00ff;
381 out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMIN), minb);
382 out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMAX), maxb);
384 printf("LCDBL: min=0x%02x, max=0x%02x\n", minb, maxb);
386 out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
389 * fix environment for field updated units
391 if (getenv("altbootcmd") == NULL) {
392 setenv("usb_load", CONFIG_SYS_USB_LOAD_COMMAND);
393 setenv("usbargs", CONFIG_SYS_USB_ARGS);
394 setenv("bootcmd", CONFIG_BOOTCOMMAND);
395 setenv("usb_self", CONFIG_SYS_USB_SELF_COMMAND);
396 setenv("bootlimit", CONFIG_SYS_BOOTLIMIT);
397 setenv("altbootcmd", CONFIG_SYS_ALT_BOOTCOMMAND);
405 * Check Board Identity:
407 int checkboard (void)
410 int i = getenv_r ("serial#", str, sizeof(str));
415 puts ("### No HW ID - assuming APC405");
420 gd->board_type = board_revision();
421 printf(", Rev. 1.%ld\n", gd->board_type);
426 #ifdef CONFIG_IDE_RESET
427 void ide_set_reset(int on)
429 u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
432 * Assert or deassert CompactFlash Reset Pin
436 in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET);
439 in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_CF_RESET);
442 #endif /* CONFIG_IDE_RESET */
447 * Disable sleep mode in LXT971
452 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
453 int usb_board_init(void)
458 int usb_board_stop(void)
465 * This is required to make some very old Linux OHCI driver
466 * work after U-Boot has used the OHCI controller.
468 pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &tmp);
469 pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (tmp | 0x1000));
471 for (i = 0; i < 100; i++)
474 pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, tmp);
478 int usb_board_init_fail(void)
483 #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */