/* * (C) Copyright 2001-2003 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <asm/processor.h> #include <command.h> #include <malloc.h> /* ------------------------------------------------------------------------- */ #if 0 #define FPGA_DEBUG #endif extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); /* fpga configuration data - gzip compressed and generated by bin2c */ const unsigned char fpgadata[] = { #include "fpgadata.c" }; /* * include common fpga code (for esd boards) */ #include "../common/fpga.c" int board_early_init_f (void) { /* * IRQ 0-15 405GP internally generated; active high; level sensitive * IRQ 16 405GP internally generated; active low; level sensitive * IRQ 17-24 RESERVED * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive */ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ mtdcr(UIC0ER, 0x00000000); /* disable all ints */ mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ mtdcr(UIC0PR, 0xFFFFFF9F); /* set int polarities */ mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ /* * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us */ mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */ return 0; } int misc_init_r (void) { unsigned char *dst; ulong len = sizeof(fpgadata); int status; int index; int i; dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { printf ("GUNZIP ERROR - must RESET board to recover\n"); do_reset (NULL, 0, 0, NULL); } status = fpga_boot(dst, len); if (status != 0) { printf("\nFPGA: Booting failed "); switch (status) { case ERROR_FPGA_PRG_INIT_LOW: printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); break; case ERROR_FPGA_PRG_INIT_HIGH: printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); break; case ERROR_FPGA_PRG_DONE: printf("(Timeout: DONE not high after programming FPGA)\n "); break; } /* display infos on fpgaimage */ index = 15; for (i=0; i<4; i++) { len = dst[index]; printf("FPGA: %s\n", &(dst[index+1])); index += len+3; } putc ('\n'); /* delayed reboot */ for (i=20; i>0; i--) { printf("Rebooting in %2d seconds \r",i); for (index=0;index<1000;index++) udelay(1000); } putc ('\n'); do_reset(NULL, 0, 0, NULL); } puts("FPGA: "); /* display infos on fpgaimage */ index = 15; for (i=0; i<4; i++) { len = dst[index]; printf("%s ", &(dst[index+1])); index += len+3; } putc ('\n'); free(dst); /* * Reset FPGA via FPGA_DATA pin */ SET_FPGA(FPGA_PRG | FPGA_CLK); udelay(1000); /* wait 1ms */ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); udelay(1000); /* wait 1ms */ /* * Reset external DUARTs */ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_DUART_RST); udelay(10); /* wait 10us */ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); udelay(1000); /* wait 1ms */ /* * Enable interrupts in exar duart mcr[3] */ out_8((void *)(DUART0_BA + 4), 0x08); out_8((void *)(DUART1_BA + 4), 0x08); out_8((void *)(DUART2_BA + 4), 0x08); out_8((void *)(DUART3_BA + 4), 0x08); return (0); } /* * Check Board Identity: */ int checkboard (void) { char str[64]; int i = getenv_f("serial#", str, sizeof(str)); puts ("Board: "); if (i == -1) { puts ("### No HW ID - assuming WUH405"); } else { puts(str); } putc ('\n'); return 0; }