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Diffstat (limited to 'board/esd/pmc405/pmc405.c')
| -rwxr-xr-x | board/esd/pmc405/pmc405.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/board/esd/pmc405/pmc405.c b/board/esd/pmc405/pmc405.c new file mode 100755 index 0000000..33b5f77 --- /dev/null +++ b/board/esd/pmc405/pmc405.c @@ -0,0 +1,197 @@ +/* + * (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> + + +extern void lxt971_no_sleep(void); + + +/* fpga configuration data - not compressed, generated by bin2c */ +const unsigned char fpgadata[] = +{ +#include "fpgadata.c" +}; +int filesize = sizeof(fpgadata); + + +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(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 */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us + */ + mtebc (epcr, 0xa8400000); + + /* + * Setup GPIO pins (CS6+CS7 as GPIO) + */ + mtdcr(cntrl0, mfdcr(cntrl0) | 0x00300000); + + /* + * Configure GPIO pins + */ + out32(GPIO0_ODR, 0x00000000); /* no open drain pins */ + out32(GPIO0_TCR, CFG_FPGA_PRG | CFG_FPGA_CLK | CFG_FPGA_DATA); /* setup for output */ + out32(GPIO0_OR, 0); /* outputs -> low */ + + return 0; +} + + +/* ------------------------------------------------------------------------- */ + +int misc_init_f (void) +{ + return 0; /* dummy implementation */ +} + + +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* adjust flash start and offset */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + char str[64]; + int i = getenv_r ("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming PMC405"); + } else { + puts(str); + } + + putc ('\n'); + + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + unsigned long val; + + mtdcr(memcfga, mem_mb0cf); + val = mfdcr(memcfgd); + +#if 0 + printf("\nmb0cf=%x\n", val); /* test-only */ + printf("strap=%x\n", mfdcr(strap)); /* test-only */ +#endif + + return (4*1024*1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ + /* TODO: XXX XXX XXX */ + printf ("test: 16 MB - ok\n"); + + return (0); +} + +/* ------------------------------------------------------------------------- */ + +int do_cantest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + ulong addr; + volatile uchar *ptr; + volatile uchar val; + int i; + + addr = simple_strtol (argv[1], NULL, 16) + 0x16; + + i = 0; + for (;;) { + ptr = (uchar *)addr; + for (i=0; i<8; i++) { + *ptr = i; + val = *ptr; + + if (val != i) { + printf("ERROR: addr=%p write=0x%02X, read=0x%02X\n", ptr, i, val); + return 0; + } + + /* Abort if ctrl-c was pressed */ + if (ctrlc()) { + puts("\nAbort\n"); + return 0; + } + + ptr++; + } + } + + return 0; +} +U_BOOT_CMD( + cantest, 3, 1, do_cantest, + "cantest - Test CAN controller", + NULL + ); |