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Commit 165e2161 authored by Varadarajan, Charulatha's avatar Varadarajan, Charulatha Committed by Kevin Hilman
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OMAP2430: hwmod data: Add watchdog timer



Add watchdog timer hwmod data for OMAP2430 chip

Signed-off-by: default avatarCharulatha V <charu@ti.com>
Acked-by: default avatarCousson, Benoit <b-cousson@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent a714b9cf
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+64 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@
#include "omap_hwmod_common_data.h"

#include "prm-regbits-24xx.h"
#include "cm-regbits-24xx.h"

/*
 * OMAP2430 hardware module integration data
@@ -33,6 +34,7 @@ static struct omap_hwmod omap2430_mpu_hwmod;
static struct omap_hwmod omap2430_iva_hwmod;
static struct omap_hwmod omap2430_l3_main_hwmod;
static struct omap_hwmod omap2430_l4_core_hwmod;
static struct omap_hwmod omap2430_wd_timer2_hwmod;

/* L3 -> L4_CORE interface */
static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = {
@@ -165,12 +167,74 @@ static struct omap_hwmod omap2430_iva_hwmod = {
	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
};

/* l4_wkup -> wd_timer2 */
static struct omap_hwmod_addr_space omap2430_wd_timer2_addrs[] = {
	{
		.pa_start	= 0x49016000,
		.pa_end		= 0x4901607f,
		.flags		= ADDR_TYPE_RT
	},
};

static struct omap_hwmod_ocp_if omap2430_l4_wkup__wd_timer2 = {
	.master		= &omap2430_l4_wkup_hwmod,
	.slave		= &omap2430_wd_timer2_hwmod,
	.clk		= "mpu_wdt_ick",
	.addr		= omap2430_wd_timer2_addrs,
	.addr_cnt	= ARRAY_SIZE(omap2430_wd_timer2_addrs),
	.user		= OCP_USER_MPU | OCP_USER_SDMA,
};

/*
 * 'wd_timer' class
 * 32-bit watchdog upward counter that generates a pulse on the reset pin on
 * overflow condition
 */

static struct omap_hwmod_class_sysconfig omap2430_wd_timer_sysc = {
	.rev_offs	= 0x0,
	.sysc_offs	= 0x0010,
	.syss_offs	= 0x0014,
	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET |
			   SYSC_HAS_AUTOIDLE),
	.sysc_fields    = &omap_hwmod_sysc_type1,
};

static struct omap_hwmod_class omap2430_wd_timer_hwmod_class = {
	.name = "wd_timer",
	.sysc = &omap2430_wd_timer_sysc,
};

/* wd_timer2 */
static struct omap_hwmod_ocp_if *omap2430_wd_timer2_slaves[] = {
	&omap2430_l4_wkup__wd_timer2,
};

static struct omap_hwmod omap2430_wd_timer2_hwmod = {
	.name		= "wd_timer2",
	.class		= &omap2430_wd_timer_hwmod_class,
	.main_clk	= "mpu_wdt_fck",
	.prcm		= {
		.omap2 = {
			.prcm_reg_id = 1,
			.module_bit = OMAP24XX_EN_MPU_WDT_SHIFT,
			.module_offs = WKUP_MOD,
			.idlest_reg_id = 1,
			.idlest_idle_bit = OMAP24XX_ST_MPU_WDT_SHIFT,
		},
	},
	.slaves		= omap2430_wd_timer2_slaves,
	.slaves_cnt	= ARRAY_SIZE(omap2430_wd_timer2_slaves),
	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
};

static __initdata struct omap_hwmod *omap2430_hwmods[] = {
	&omap2430_l3_main_hwmod,
	&omap2430_l4_core_hwmod,
	&omap2430_l4_wkup_hwmod,
	&omap2430_mpu_hwmod,
	&omap2430_iva_hwmod,
	&omap2430_wd_timer2_hwmod,
	NULL,
};