*
* Some parts based off of TI's 24xx code:
*
- * Copyright (C) 2004 Texas Instruments, Inc.
+ * Copyright (C) 2004-2009 Texas Instruments, Inc.
*
* Roughly modelled after the OMAP1 MPU timer code.
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
#include <asm/mach/time.h>
#include <mach/dmtimer.h>
+#include <asm/localtimer.h>
/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
#define MAX_GPTIMER_ID 12
case CLOCK_EVT_MODE_PERIODIC:
period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
period -= 1;
-
+ if (cpu_is_omap44xx())
+ period = 0xff; /* FIXME: */
omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
break;
case CLOCK_EVT_MODE_ONESHOT:
"timer-gp: omap_dm_timer_set_source() failed\n");
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
+ if (cpu_is_omap44xx())
+ /* Assuming 32kHz clk is driving GPT1 */
+ tick_rate = 32768; /* FIXME: */
pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
gptimer_id, tick_rate);
static void __init omap2_gp_timer_init(void)
{
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_base = IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE);
+#endif
omap_dm_timer_init();
omap2_gp_clockevent_init();