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Wed, 14 Nov 2012 06:34:11 -0500 Received: from zeus.spd.analog.com (10.64.82.11) by NWD2HUBCAS1.ad.analog.com (10.64.73.29) with Microsoft SMTP Server id 8.3.83.0; Wed, 14 Nov 2012 05:25:27 -0500 Received: from linux.site ([10.99.22.20]) by zeus.spd.analog.com (8.14.5/8.14.5) with ESMTP id qAEAPQLX032332; Wed, 14 Nov 2012 05:25:27 -0500 Received: from bob-OptiPlex-760.analog.com (unknown [10.99.24.84]) by linux.site (Postfix) with ESMTP id 4538942CC152; Tue, 13 Nov 2012 19:54:05 -0700 (MST) From: Bob Liu To: Date: Wed, 14 Nov 2012 18:24:45 +0800 Message-ID: <1352888686-9868-12-git-send-email-lliubbo@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1352888686-9868-1-git-send-email-lliubbo@gmail.com> References: <1352888686-9868-1-git-send-email-lliubbo@gmail.com> MIME-Version: 1.0 Cc: u-boot-devel@blackfin.uclinux.org, trini@ti.com, sonic.zhang@analog.com Subject: [U-Boot] [PATCH V3 11/12] Blackfin: bf60x: add hw watchdog support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Signed-off-by: Bob Liu --- arch/blackfin/cpu/initcode.c | 13 +++++++++++++ arch/blackfin/cpu/start.S | 2 ++ include/configs/bf609-ezkit.h | 1 + 3 files changed, 16 insertions(+) diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c index 3bbdf22..6740e34 100644 --- a/arch/blackfin/cpu/initcode.c +++ b/arch/blackfin/cpu/initcode.c @@ -456,8 +456,21 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB) */ if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS) { serial_putc('e'); +#ifdef __ADSPBF60x__ + bfin_write_SEC_GCTL(0x2); + SSYNC(); + bfin_write_SEC_FCTL(0xc1); + bfin_write_SEC_SCTL(2, bfin_read_SEC_SCTL(2) | 0x6); + + bfin_write_SEC_CCTL(0x2); + SSYNC(); + bfin_write_SEC_GCTL(0x1); + bfin_write_SEC_CCTL(0x1); +#endif bfin_write_WDOG_CNT(MSEC_TO_SCLK(CONFIG_HW_WATCHDOG_TIMEOUT_INITCODE)); +#if CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART bfin_write_WDOG_CTL(0); +#endif serial_putc('f'); } #endif diff --git a/arch/blackfin/cpu/start.S b/arch/blackfin/cpu/start.S index 90b4d1a..7155fc8 100644 --- a/arch/blackfin/cpu/start.S +++ b/arch/blackfin/cpu/start.S @@ -65,6 +65,7 @@ ENTRY(_start) p5.h = HI(COREMMR_BASE); #ifdef CONFIG_HW_WATCHDOG +#ifndef __ADSPBF60x__ # ifndef CONFIG_HW_WATCHDOG_TIMEOUT_START # define CONFIG_HW_WATCHDOG_TIMEOUT_START 5000 # endif @@ -78,6 +79,7 @@ ENTRY(_start) /* fire up the watchdog - R0.L above needs to be 0x0000 */ W[p4 + (WDOG_CTL - SYSMMR_BASE)] = r0; #endif +#endif /* Turn on the serial for debugging the init process */ serial_early_init diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h index 939459a..d6f5190 100644 --- a/include/configs/bf609-ezkit.h +++ b/include/configs/bf609-ezkit.h @@ -73,6 +73,7 @@ #define CONFIG_SYS_MONITOR_LEN (512 * 1024) #define CONFIG_SYS_MALLOC_LEN (256 * 1024) +#define CONFIG_HW_WATCHDOG /* * Network Settings */