/* * (C) Copyright 2001-2004 * 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 "ar405.h" #include <asm/processor.h> #include <command.h> DECLARE_GLOBAL_DATA_PTR; /*cmd_boot.c*/ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); extern void lxt971_no_sleep(void); /* ------------------------------------------------------------------------- */ #if 0 #define FPGA_DEBUG #endif /* fpga configuration data - generated by bin2cc */ const unsigned char fpgadata[] = { #include "fpgadata.c" }; const unsigned char fpgadata_xl30[] = { #include "fpgadata_xl30.c" }; /* * include common fpga code (for esd boards) */ #include "../common/fpga.c" int board_early_init_f (void) { int index, len, i; int status; #ifdef FPGA_DEBUG /* set up serial port with default baudrate */ (void) get_clocks (); gd->baudrate = CONFIG_BAUDRATE; serial_init (); console_init_f (); #endif /* * Boot onboard FPGA */ /* first try 40er image */ gd->board_type = 40; status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata)); if (status != 0) { /* try xl30er image */ gd->board_type = 30; status = fpga_boot ((unsigned char *) fpgadata_xl30, sizeof (fpgadata_xl30)); if (status != 0) { /* booting FPGA failed */ #ifndef FPGA_DEBUG /* set up serial port with default baudrate */ (void) get_clocks (); gd->baudrate = CONFIG_BAUDRATE; serial_init (); console_init_f (); #endif 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 = fpgadata[index]; printf ("FPGA: %s\n", &(fpgadata[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); } } /* * 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) CAN1; active low; level sensitive * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicer, 0x00000000); /* disable all ints */ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */ mtdcr (uictr, 0x10000000); /* set int trigger levels */ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ *(ushort *) 0xf03000ec = 0x0fff; /* enable all interrupts in fpga */ return 0; } /* ------------------------------------------------------------------------- */ /* * Check Board Identity: */ int checkboard (void) { int index; int len; char str[64]; int i = getenv_r ("serial#", str, sizeof (str)); const unsigned char *fpga; puts ("Board: "); if (i == -1) { puts ("### No HW ID - assuming AR405"); } else { puts(str); } puts ("\nFPGA: "); /* display infos on fpgaimage */ if (gd->board_type == 30) { fpga = fpgadata_xl30; } else { fpga = fpgadata; } index = 15; for (i = 0; i < 4; i++) { len = fpga[index]; printf ("%s ", &(fpga[index + 1])); index += len + 3; } putc ('\n'); /* * Disable sleep mode in LXT971 */ lxt971_no_sleep(); return 0; } #if 1 /* test-only: some internal test routines... */ /* * Some test routines */ int do_digtest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { volatile uchar *digen = (volatile uchar *)0xf03000b4; volatile ushort *digout = (volatile ushort *)0xf03000b0; volatile ushort *digin = (volatile ushort *)0xf03000a0; int i; int k; int start; int end; if (argc != 3) { puts("Usage: digtest n_start n_end (digtest 0 7)\n"); return 0; } start = simple_strtol (argv[1], NULL, 10); end = simple_strtol (argv[2], NULL, 10); /* * Enable digital outputs */ *digen = 0x08; printf("\nStarting digital In-/Out Test from I/O %d to %d (Cntrl-C to abort)...\n", start, end); /* * Set outputs one by one */ for (;;) { for (i=start; i<=end; i++) { *digout = 0x0001 << i; for (k=0; k<200; k++) udelay(1000); if (*digin != (0x0001 << i)) { printf("ERROR: OUT=0x%04X, IN=0x%04X\n", 0x0001 << i, *digin); return 0; } /* Abort if ctrl-c was pressed */ if (ctrlc()) { puts("\nAbort\n"); return 0; } } } return 0; } U_BOOT_CMD( digtest, 3, 1, do_digtest, "Test digital in-/output", NULL ); #define ERROR_DELTA 256 struct io { volatile short val; short dummy; }; int do_anatest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { volatile short val; int i; int volt; struct io *out; struct io *in; out = (struct io *)0xf0300090; in = (struct io *)0xf0300000; i = simple_strtol (argv[1], NULL, 10); volt = 0; printf("Setting Channel %d to %dV...\n", i, volt); out[i].val = (volt * 0x7fff) / 10; udelay(10000); val = in[i*2].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } val = in[i*2+1].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } volt = 5; printf("Setting Channel %d to %dV...\n", i, volt); out[i].val = (volt * 0x7fff) / 10; udelay(10000); val = in[i*2].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } val = in[i*2+1].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } volt = 10; printf("Setting Channel %d to %dV...\n", i, volt); out[i].val = (volt * 0x7fff) / 10; udelay(10000); val = in[i*2].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } val = in[i*2+1].val; printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff); if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) || (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) { printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA, ((volt * 0x7fff) / 40) + ERROR_DELTA); return -1; } printf("Channel %d OK!\n", i); return 0; } U_BOOT_CMD( anatest, 2, 1, do_anatest, "Test analog in-/output", NULL ); int counter = 0; void cyclicInt(void *ptr) { *(ushort *)0xf03000e8 = 0x0800; /* ack int */ counter++; } int do_inctest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { volatile uchar *digout = (volatile uchar *)0xf03000b4; volatile ulong *incin; int i; incin = (volatile ulong *)0xf0300040; /* * Clear inc counter */ incin[0] = 0; incin[1] = 0; incin[2] = 0; incin[3] = 0; incin = (volatile ulong *)0xf0300050; /* * Inc a little */ for (i=0; i<10000; i++) { switch (i & 0x03) { case 0: *digout = 0x02; break; case 1: *digout = 0x03; break; case 2: *digout = 0x01; break; case 3: *digout = 0x00; break; } udelay(10); } printf("Inc 0 = %ld\n", incin[0]); printf("Inc 1 = %ld\n", incin[1]); printf("Inc 2 = %ld\n", incin[2]); printf("Inc 3 = %ld\n", incin[3]); *(ushort *)0xf03000e0 = 0x0c80-1; /* set counter */ *(ushort *)0xf03000ec |= 0x0800; /* enable int */ irq_install_handler (30, (interrupt_handler_t *) cyclicInt, NULL); printf("counter=%d\n", counter); return 0; } U_BOOT_CMD( inctest, 3, 1, do_inctest, "Test incremental encoder inputs", NULL ); #endif