mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
180d3f74e4
* Patch by Scott McNutt, 02 Jan 2004: Add support for the Nios Active Serial Memory Interface (ASMI) on Cyclone devices * Patch by Andrea Marson, 16 Dec 2003: Add support for the PPChameleon ME and HI modules * Patch by Yuli Barcohen, 22 Dec 2003: Add support for Motorola DUET ADS board (MPC87x/88x)
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/*
|
|
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.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 <nios.h>
|
|
|
|
|
|
int checkcpu (void)
|
|
{
|
|
unsigned val;
|
|
unsigned rev_major;
|
|
unsigned rev_minor;
|
|
short nregs, hi_limit, lo_limit;
|
|
|
|
/* Get cpu version info */
|
|
val = rdctl (CTL_CPU_ID);
|
|
printf ("CPU: ");
|
|
printf ("%s", (val & 0x00008000) ? "Nios-16 " : "Nios-32 ");
|
|
rev_major = (val>>12) & 0x07;
|
|
rev_minor = (val>>4) & 0x0ff;
|
|
printf ("Rev. %d.%d (0x%04x)", rev_major, rev_minor,
|
|
val & 0xffff);
|
|
if (rev_major == 0x08)
|
|
printf (" [OpenCore (R) Plus]");
|
|
printf ("\n");
|
|
|
|
/* Check register file */
|
|
val = rdctl (CTL_WVALID);
|
|
lo_limit = val & 0x01f;
|
|
hi_limit = (val>>5) & 0x1f;
|
|
nregs = (hi_limit + 2) * 16;
|
|
printf ("Reg file size: %d LO_LIMIT/HI_LIMIT: %d/%d\n",
|
|
nregs, lo_limit, hi_limit);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
int do_reset (void)
|
|
{
|
|
/* trap 0 does the trick ... at least with the OCI debug
|
|
* present -- haven't tested without it yet (stm).
|
|
*/
|
|
disable_interrupts ();
|
|
ipri (1);
|
|
asm volatile ("trap 0\n");
|
|
|
|
/* No return ;-) */
|
|
|
|
return(0);
|
|
}
|
|
|
|
|
|
#if defined(CONFIG_WATCHDOG)
|
|
void watchdog_reset (void)
|
|
{
|
|
}
|
|
#endif /* CONFIG_WATCHDOG */
|