3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
7 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
8 * Alex Zuepke <azu@sysgo.de>
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <asm/proc-armv/ptrace.h>
31 #include <asm/hardware.h>
33 /* we always count down the max. */
34 #define TIMER_LOAD_VAL 0xffff
35 /* macro to read the 16 bit timer */
36 #define READ_TIMER (IO_TC1D & 0xffff)
39 void do_irq (struct pt_regs *pt_regs)
41 #if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
42 /* No do_irq() for IntegratorAP/CM720T as yet */
44 #error do_irq() not defined for this CPU type
49 #if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
50 /* Use IntegratorAP routines in board/integratorap.c */
53 static ulong timestamp;
58 #if defined(CONFIG_TEGRA)
59 /* No timer routines for tegra as yet */
62 #error No timer_init() defined for this CPU type
69 #endif /* ! IntegratorAP */
72 * timer without interrupts
76 #if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
77 /* No timer routines for IntegratorAP/CM720T as yet */
78 #elif defined(CONFIG_TEGRA)
79 /* No timer routines for tegra as yet */
81 #error Timer routines not defined for this CPU type