1007d02160
Disable some shub1-specific code when running on systems with shub2. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
|
|
*
|
|
*
|
|
* Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Further, this software is distributed without any warranty that it is
|
|
* free of the rightful claim of any third person regarding infringement
|
|
* or the like. Any license provided herein, whether implied or
|
|
* otherwise, applies only to this software file. Patent licenses, if
|
|
* any, provided herein do not apply to combinations of this program with
|
|
* other software, or any other product whatsoever.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
|
*
|
|
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
|
|
* Mountain View, CA 94043, or:
|
|
*
|
|
* http://www.sgi.com
|
|
*
|
|
* For further information regarding this notice, see:
|
|
*
|
|
* http://oss.sgi.com/projects/GenInfo/NoticeExplan
|
|
*/
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <asm/sn/pda.h>
|
|
#include <asm/sn/leds.h>
|
|
|
|
extern void sn_lb_int_war_check(void);
|
|
extern irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
|
|
|
|
#define SN_LB_INT_WAR_INTERVAL 100
|
|
|
|
void sn_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
|
{
|
|
/* LED blinking */
|
|
if (!pda->hb_count--) {
|
|
pda->hb_count = HZ / 2;
|
|
set_led_bits(pda->hb_state ^=
|
|
LED_CPU_HEARTBEAT, LED_CPU_HEARTBEAT);
|
|
}
|
|
|
|
if (is_shub1()) {
|
|
if (enable_shub_wars_1_1()) {
|
|
/* Bugfix code for SHUB 1.1 */
|
|
if (pda->pio_shub_war_cam_addr)
|
|
*pda->pio_shub_war_cam_addr = 0x8000000000000010UL;
|
|
}
|
|
if (pda->sn_lb_int_war_ticks == 0)
|
|
sn_lb_int_war_check();
|
|
pda->sn_lb_int_war_ticks++;
|
|
if (pda->sn_lb_int_war_ticks >= SN_LB_INT_WAR_INTERVAL)
|
|
pda->sn_lb_int_war_ticks = 0;
|
|
}
|
|
}
|