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Tue, 21 Sep 2010 19:07:17 +0530 (IST) From: "Varadarajan, Charulatha" To: tony@atomide.com, wim@iguana.be, linux-omap@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: khilman@deeprootsystems.com, paul@pwsan.com, b-cousson@ti.com, rnayak@ti.com, p-basak2@ti.com, Charulatha V Subject: [PATCH v7 4/6] OMAP4: hwmod data: Add watchdog timer Date: Tue, 21 Sep 2010 19:07:06 +0530 Message-Id: <1285076228-24736-5-git-send-email-charu@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1285076228-24736-1-git-send-email-charu@ti.com> References: <1285076228-24736-1-git-send-email-charu@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 21 Sep 2010 13:37:34 +0000 (UTC) diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index e20b0ee..8660fea 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -452,6 +452,136 @@ static struct omap_hwmod omap44xx_mpu_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; +/* + * '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 omap44xx_wd_timer_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE | + SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap44xx_wd_timer_hwmod_class = { + .name = "wd_timer", + .sysc = &omap44xx_wd_timer_sysc, +}; + +/* wd_timer2 */ +static struct omap_hwmod omap44xx_wd_timer2_hwmod; +static struct omap_hwmod_irq_info omap44xx_wd_timer2_irqs[] = { + { .irq = 80 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_wd_timer2_addrs[] = { + { + .pa_start = 0x4a314000, + .pa_end = 0x4a31407f, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_wkup -> wd_timer2 */ +static struct omap_hwmod_ocp_if omap44xx_l4_wkup__wd_timer2 = { + .master = &omap44xx_l4_wkup_hwmod, + .slave = &omap44xx_wd_timer2_hwmod, + .clk = "l4_wkup_clk_mux_ck", + .addr = omap44xx_wd_timer2_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_wd_timer2_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* wd_timer2 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_wd_timer2_slaves[] = { + &omap44xx_l4_wkup__wd_timer2, +}; + +static struct omap_hwmod omap44xx_wd_timer2_hwmod = { + .name = "wd_timer2", + .class = &omap44xx_wd_timer_hwmod_class, + .mpu_irqs = omap44xx_wd_timer2_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_wd_timer2_irqs), + .main_clk = "wd_timer2_fck", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_WKUP_WDT2_CLKCTRL, + }, + }, + .slaves = omap44xx_wd_timer2_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_wd_timer2_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* wd_timer3 */ +static struct omap_hwmod omap44xx_wd_timer3_hwmod; +static struct omap_hwmod_irq_info omap44xx_wd_timer3_irqs[] = { + { .irq = 36 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_wd_timer3_addrs[] = { + { + .pa_start = 0x40130000, + .pa_end = 0x4013007f, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_abe -> wd_timer3 */ +static struct omap_hwmod_ocp_if omap44xx_l4_abe__wd_timer3 = { + .master = &omap44xx_l4_abe_hwmod, + .slave = &omap44xx_wd_timer3_hwmod, + .clk = "ocp_abe_iclk", + .addr = omap44xx_wd_timer3_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_wd_timer3_addrs), + .user = OCP_USER_MPU, +}; + +/* l4_abe -> wd_timer3 (dma) */ +static struct omap_hwmod_addr_space omap44xx_wd_timer3_dma_addrs[] = { + { + .pa_start = 0x49030000, + .pa_end = 0x4903007f, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap44xx_l4_abe__wd_timer3_dma = { + .master = &omap44xx_l4_abe_hwmod, + .slave = &omap44xx_wd_timer3_hwmod, + .clk = "ocp_abe_iclk", + .addr = omap44xx_wd_timer3_dma_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_wd_timer3_dma_addrs), + .user = OCP_USER_SDMA, +}; + +/* wd_timer3 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_wd_timer3_slaves[] = { + &omap44xx_l4_abe__wd_timer3, + &omap44xx_l4_abe__wd_timer3_dma, +}; + +static struct omap_hwmod omap44xx_wd_timer3_hwmod = { + .name = "wd_timer3", + .class = &omap44xx_wd_timer_hwmod_class, + .mpu_irqs = omap44xx_wd_timer3_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_wd_timer3_irqs), + .main_clk = "wd_timer3_fck", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM1_ABE_WDT3_CLKCTRL, + }, + }, + .slaves = omap44xx_wd_timer3_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_wd_timer3_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* dmm class */ &omap44xx_dmm_hwmod, @@ -472,6 +602,11 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* mpu class */ &omap44xx_mpu_hwmod, + /* wd_timer class */ + &omap44xx_wd_timer2_hwmod, + + /* wd_timer3 not yet supported */ +/* &omap44xx_wd_timer3_hwmod, */ NULL, };