3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #include <asm/processor.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
32 ulong flash_get_size(ulong base, int banknum);
33 int misc_init_r_kbd(void);
35 int board_early_init_f(void)
37 u32 sdr0_pfc1, sdr0_pfc2;
40 /* PLB Write pipelining disabled. Denali Core workaround */
41 mtdcr(plb0_acr, 0xDE000000);
42 mtdcr(plb1_acr, 0xDE000000);
44 /*--------------------------------------------------------------------
45 * Setup the interrupt controller polarities, triggers, etc.
46 *-------------------------------------------------------------------*/
47 mtdcr(uic0sr, 0xffffffff); /* clear all. if write with 1 then the status is cleared */
48 mtdcr(uic0er, 0x00000000); /* disable all */
49 mtdcr(uic0cr, 0x00000000); /* we have not critical interrupts at the moment */
50 mtdcr(uic0pr, 0xFFBFF1EF); /* Adjustment of the polarity */
51 mtdcr(uic0tr, 0x00000900); /* per ref-board manual */
52 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
53 mtdcr(uic0sr, 0xffffffff); /* clear all */
55 mtdcr(uic1sr, 0xffffffff); /* clear all */
56 mtdcr(uic1er, 0x00000000); /* disable all */
57 mtdcr(uic1cr, 0x00000000); /* all non-critical */
58 mtdcr(uic1pr, 0xFFFFC6A5); /* Adjustment of the polarity */
59 mtdcr(uic1tr, 0x60000040); /* per ref-board manual */
60 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
61 mtdcr(uic1sr, 0xffffffff); /* clear all */
63 mtdcr(uic2sr, 0xffffffff); /* clear all */
64 mtdcr(uic2er, 0x00000000); /* disable all */
65 mtdcr(uic2cr, 0x00000000); /* all non-critical */
66 mtdcr(uic2pr, 0x27C00000); /* Adjustment of the polarity */
67 mtdcr(uic2tr, 0x3C000000); /* per ref-board manual */
68 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
69 mtdcr(uic2sr, 0xffffffff); /* clear all */
71 /* Trace Pins are disabled. SDR0_PFC0 Register */
72 mtsdr(SDR0_PFC0, 0x0);
74 /* select Ethernet pins */
75 mfsdr(SDR0_PFC1, sdr0_pfc1);
77 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
78 SDR0_PFC1_SELECT_CONFIG_6;
79 mfsdr(SDR0_PFC2, sdr0_pfc2);
80 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
81 SDR0_PFC2_SELECT_CONFIG_6;
83 /* enable SPI (SCP) */
84 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL;
86 mtsdr(SDR0_PFC2, sdr0_pfc2);
87 mtsdr(SDR0_PFC1, sdr0_pfc1);
89 mtsdr(SDR0_PFC4, 0x80000000);
91 /* PCI arbiter disabled */
92 /* PCI Host Configuration disbaled */
95 mtsdr(sdr_pci0, 0x00000000 | reg);
97 gpio_write_bit(CFG_GPIO_FLASH_WP, 1);
99 #if CONFIG_POST & CFG_POST_BSPEC1
100 gpio_write_bit(CFG_GPIO_HIGHSIDE, 1);
102 reg = 0; /* reuse as counter */
103 out_be32((void *)CFG_DSPIC_TEST_ADDR,
104 in_be32((void *)CFG_DSPIC_TEST_ADDR)
105 & ~CFG_DSPIC_TEST_MASK);
106 while (!gpio_read_in_bit(CFG_GPIO_DSPIC_READY) && reg++ < 1000) {
109 gpio_write_bit(CFG_GPIO_HIGHSIDE, 0);
110 if (gpio_read_in_bit(CFG_GPIO_DSPIC_READY)) {
111 /* set "boot error" flag */
112 out_be32((void *)CFG_DSPIC_TEST_ADDR,
113 in_be32((void *)CFG_DSPIC_TEST_ADDR) |
114 CFG_DSPIC_TEST_MASK);
120 * The PHY's need a 2nd reset pulse, since the MDIO address is latched
121 * upon reset, and with the first reset upon powerup, the addresses are
122 * not latched reliable, since the IRQ line is multiplexed with an
123 * MDIO address. A 2nd reset at this time will make sure, that the
124 * correct address is latched.
126 gpio_write_bit(CFG_GPIO_PHY0_RST, 1);
127 gpio_write_bit(CFG_GPIO_PHY1_RST, 1);
129 gpio_write_bit(CFG_GPIO_PHY0_RST, 0);
130 gpio_write_bit(CFG_GPIO_PHY1_RST, 0);
132 gpio_write_bit(CFG_GPIO_PHY0_RST, 1);
133 gpio_write_bit(CFG_GPIO_PHY1_RST, 1);
138 /*---------------------------------------------------------------------------+
140 +---------------------------------------------------------------------------*/
141 int misc_init_r(void)
146 unsigned long usb2d0cr = 0;
147 unsigned long usb2phy0cr, usb2h0cr = 0;
148 unsigned long sdr0_pfc1;
154 /* Re-do sizing to get full correct info */
156 /* adjust flash start and offset */
157 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
158 gd->bd->bi_flashoffset = 0;
161 switch (gd->bd->bi_flashsize) {
187 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
191 * Re-check to get correct base address
193 flash_get_size(gd->bd->bi_flashstart, 0);
195 /* Monitor protection ON by default */
196 (void)flash_protect(FLAG_PROTECT_SET,
201 /* Env protection ON by default */
202 (void)flash_protect(FLAG_PROTECT_SET,
204 CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
211 mfsdr(SDR0_PFC1, sdr0_pfc1);
212 mfsdr(SDR0_USB0, usb2d0cr);
213 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
214 mfsdr(SDR0_USB2H0CR, usb2h0cr);
216 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
217 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
218 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
219 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
220 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
221 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
222 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
223 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
224 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
225 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
227 /* An 8-bit/60MHz interface is the only possible alternative
228 when connecting the Device to the PHY */
229 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
230 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
232 mtsdr(SDR0_PFC1, sdr0_pfc1);
233 mtsdr(SDR0_USB0, usb2d0cr);
234 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
235 mtsdr(SDR0_USB2H0CR, usb2h0cr);
241 mtsdr(SDR0_SRST1, 0x00000000);
243 mtsdr(SDR0_SRST0, 0x00000000);
245 printf("USB: Host(int phy) Device(ext phy)\n");
248 * Clear PLB4A0_ACR[WRP]
249 * This fix will make the MAL burst disabling patch for the Linux
250 * EMAC driver obsolete.
252 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
253 mtdcr(plb4_acr, reg);
256 * Init matrix keyboard
265 char *s = getenv("serial#");
267 printf("Board: lwmon5");
278 #if defined(CFG_DRAM_TEST)
281 unsigned long *mem = (unsigned long *)0;
282 const unsigned long kend = (1024 / sizeof(unsigned long));
287 for (k = 0; k < CFG_MBYTES_SDRAM;
288 ++k, mem += (1024 / sizeof(unsigned long))) {
289 if ((k & 1023) == 0) {
290 printf("%3d MB\r", k / 1024);
293 memset(mem, 0xaaaaaaaa, 1024);
294 for (n = 0; n < kend; ++n) {
295 if (mem[n] != 0xaaaaaaaa) {
296 printf("SDRAM test fails at: %08x\n",
302 memset(mem, 0x55555555, 1024);
303 for (n = 0; n < kend; ++n) {
304 if (mem[n] != 0x55555555) {
305 printf("SDRAM test fails at: %08x\n",
311 printf("SDRAM test passes\n");
316 /*************************************************************************
319 * This routine is called just prior to registering the hose and gives
320 * the board the opportunity to check things. Returning a value of zero
321 * indicates that things are bad & PCI initialization should be aborted.
323 * Different boards may wish to customize the pci controller structure
324 * (add regions, override default access routines, etc) or perform
325 * certain pre-initialization actions.
327 ************************************************************************/
328 #if defined(CONFIG_PCI)
329 int pci_pre_init(struct pci_controller *hose)
333 /*-------------------------------------------------------------------------+
334 | Set priority for all PLB3 devices to 0.
335 | Set PLB3 arbiter to fair mode.
336 +-------------------------------------------------------------------------*/
337 mfsdr(sdr_amp1, addr);
338 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
339 addr = mfdcr(plb3_acr);
340 mtdcr(plb3_acr, addr | 0x80000000);
342 /*-------------------------------------------------------------------------+
343 | Set priority for all PLB4 devices to 0.
344 +-------------------------------------------------------------------------*/
345 mfsdr(sdr_amp0, addr);
346 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
347 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
348 mtdcr(plb4_acr, addr);
350 /*-------------------------------------------------------------------------+
351 | Set Nebula PLB4 arbiter to fair mode.
352 +-------------------------------------------------------------------------*/
354 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
355 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
356 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
357 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
358 mtdcr(plb0_acr, addr);
361 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
362 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
363 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
364 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
365 mtdcr(plb1_acr, addr);
369 #endif /* defined(CONFIG_PCI) */
371 /*************************************************************************
374 * The bootstrap configuration provides default settings for the pci
375 * inbound map (PIM). But the bootstrap config choices are limited and
376 * may not be sufficient for a given board.
378 ************************************************************************/
379 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
380 void pci_target_init(struct pci_controller *hose)
382 /*--------------------------------------------------------------------------+
383 * Set up Direct MMIO registers
384 *--------------------------------------------------------------------------*/
385 /*--------------------------------------------------------------------------+
386 | PowerPC440EPX PCI Master configuration.
387 | Map one 1Gig range of PLB/processor addresses to PCI memory space.
388 | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
389 | Use byte reversed out routines to handle endianess.
390 | Make this region non-prefetchable.
391 +--------------------------------------------------------------------------*/
392 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
393 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
394 out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
395 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
396 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
398 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
399 out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
400 out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
401 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
402 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
404 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
405 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
406 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
407 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
409 /*--------------------------------------------------------------------------+
410 * Set up Configuration registers
411 *--------------------------------------------------------------------------*/
413 /* Program the board's subsystem id/vendor id */
414 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
415 CFG_PCI_SUBSYS_VENDORID);
416 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
418 /* Configure command register as bus master */
419 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
421 /* 240nS PCI clock */
422 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
424 /* No error reporting */
425 pci_write_config_word(0, PCI_ERREN, 0);
427 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
430 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
432 /*************************************************************************
435 ************************************************************************/
436 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
437 void pci_master_init(struct pci_controller *hose)
439 unsigned short temp_short;
441 /*--------------------------------------------------------------------------+
442 | Write the PowerPC440 EP PCI Configuration regs.
443 | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
444 | Enable PowerPC440 EP to act as a PCI memory target (PTM).
445 +--------------------------------------------------------------------------*/
446 pci_read_config_word(0, PCI_COMMAND, &temp_short);
447 pci_write_config_word(0, PCI_COMMAND,
448 temp_short | PCI_COMMAND_MASTER |
451 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
453 /*************************************************************************
456 * This routine is called to determine if a pci scan should be
457 * performed. With various hardware environments (especially cPCI and
458 * PPMC) it's insufficient to depend on the state of the arbiter enable
459 * bit in the strap register, or generic host/adapter assumptions.
461 * Rather than hard-code a bad assumption in the general 440 code, the
462 * 440 pci code requires the board to decide at runtime.
464 * Return 0 for adapter mode, non-zero for host (monarch) mode.
467 ************************************************************************/
468 #if defined(CONFIG_PCI)
469 int is_pci_host(struct pci_controller *hose)
471 /* Cactus is always configured as host. */
474 #endif /* defined(CONFIG_PCI) */
476 void hw_watchdog_reset(void)
481 * Toggle watchdog output
483 val = gpio_read_out_bit(CFG_GPIO_WATCHDOG) == 0 ? 1 : 0;
484 gpio_write_bit(CFG_GPIO_WATCHDOG, val);
487 int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
490 printf("Usage:\n%s\n", cmdtp->usage);
494 if ((strcmp(argv[1], "on") == 0)) {
495 gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 1);
496 } else if ((strcmp(argv[1], "off") == 0)) {
497 gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 0);
499 printf("Usage:\n%s\n", cmdtp->usage);
508 eepromwp, 2, 0, do_eeprom_wp,
509 "eepromwp- eeprom write protect off/on\n",
510 "<on|off> - enable (on) or disable (off) I2C EEPROM write protect\n"
513 #if defined(CONFIG_VIDEO)
514 #include <video_fb.h>
517 extern GraphicDevice mb862xx;
519 static const gdc_regs init_regs [] =
521 {0x0100, 0x00000f00},
522 {0x0020, 0x801401df},
523 {0x0024, 0x00000000},
524 {0x0028, 0x00000000},
525 {0x002c, 0x00000000},
526 {0x0110, 0x00000000},
527 {0x0114, 0x00000000},
528 {0x0118, 0x01df0280},
529 {0x0004, 0x031f0000},
530 {0x0008, 0x027f027f},
531 {0x000c, 0x015f028f},
532 {0x0010, 0x020c0000},
533 {0x0014, 0x01df01ea},
534 {0x0018, 0x00000000},
535 {0x001c, 0x01e00280},
536 {0x0100, 0x80010f00},
540 const gdc_regs *board_get_regs (void)
545 /* Returns Lime base address */
546 unsigned int board_video_init (void)
549 * Reset Lime controller
551 gpio_write_bit(CFG_GPIO_LIME_S, 1);
553 gpio_write_bit(CFG_GPIO_LIME_RST, 1);
555 /* Lime memory clock adjusted to 100MHz */
556 out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_100MHZ);
557 /* Wait untill time expired. Because of requirements in lime manual */
559 /* Write lime controller memory parameters */
560 out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE);
562 mb862xx.winSizeX = 640;
563 mb862xx.winSizeY = 480;
564 mb862xx.gdfBytesPP = 2;
565 mb862xx.gdfIndex = GDF_15BIT_555RGB;
567 return CFG_LIME_BASE_0;
570 void board_backlight_switch (int flag)
573 /* pwm duty, lamp on */
574 out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), 0x64);
575 out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x701);
578 out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), 0x00);
579 out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x00);
583 #if defined(CONFIG_CONSOLE_EXTRA_INFO)
585 * Return text to be printed besides the logo.
587 void video_get_info_str (int line_number, char *info)
589 if (line_number == 1) {
590 strcpy (info, " Board: Lwmon5 (Liebherr Elektronik GmbH)");
596 #endif /* CONFIG_VIDEO */
598 void board_reset(void)
600 gpio_write_bit(CFG_GPIO_BOARD_RESET, 1);