projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a551709 WD |
1 | /* |
| 2 | * (C) Copyright 2003, Psyent Corporation <www.psyent.com> | |
| 3 | * Scott McNutt <[email protected]> | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #include <common.h> | |
| 25 | #include <nios.h> | |
| 26 | ||
| 27 | ||
| 28 | int checkcpu (void) | |
| 29 | { | |
| 30 | unsigned val; | |
| 31 | unsigned rev_major; | |
| 32 | unsigned rev_minor; | |
| 33 | short nregs, hi_limit, lo_limit; | |
| 34 | ||
| 35 | /* Get cpu version info */ | |
| 36 | val = rdctl (CTL_CPU_ID); | |
| 37 | printf ("CPU: "); | |
| 38 | printf ("%s", (val & 0x00008000) ? "Nios-16 " : "Nios-32 "); | |
| 39 | rev_major = (val>>12) & 0x07; | |
| 180d3f74 WD |
40 | rev_minor = (val>>4) & 0x0ff; |
| 41 | printf ("Rev. %d.%d (0x%04x)", rev_major, rev_minor, | |
| 4a551709 WD |
42 | val & 0xffff); |
| 43 | if (rev_major == 0x08) | |
| 44 | printf (" [OpenCore (R) Plus]"); | |
| 45 | printf ("\n"); | |
| 46 | ||
| 47 | /* Check register file */ | |
| 48 | val = rdctl (CTL_WVALID); | |
| 49 | lo_limit = val & 0x01f; | |
| 50 | hi_limit = (val>>5) & 0x1f; | |
| 51 | nregs = (hi_limit + 2) * 16; | |
| 52 | printf ("Reg file size: %d LO_LIMIT/HI_LIMIT: %d/%d\n", | |
| 53 | nregs, lo_limit, hi_limit); | |
| 54 | ||
| 55 | return (0); | |
| 56 | } | |
| 57 | ||
| 58 | ||
| 59 | int do_reset (void) | |
| 60 | { | |
| 61 | /* trap 0 does the trick ... at least with the OCI debug | |
| 62 | * present -- haven't tested without it yet (stm). | |
| 63 | */ | |
| 64 | disable_interrupts (); | |
| 65 | ipri (1); | |
| 66 | asm volatile ("trap 0\n"); | |
| 67 | ||
| 68 | /* No return ;-) */ | |
| 69 | ||
| 70 | return(0); | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | #if defined(CONFIG_WATCHDOG) | |
| 75 | void watchdog_reset (void) | |
| 76 | { | |
| 77 | } | |
| 78 | #endif /* CONFIG_WATCHDOG */ |