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Thu, 21 Feb 2013 07:23:08 -0500 Received: from zeus.spd.analog.com (10.64.82.11) by NWD2HUBCAS6.ad.analog.com (10.64.72.159) with Microsoft SMTP Server id 14.2.328.9; Thu, 21 Feb 2013 06:04:20 -0500 Received: from linux.site ([10.99.22.20]) by zeus.spd.analog.com (8.14.5/8.14.5) with ESMTP id r1LB4JtY019825; Thu, 21 Feb 2013 06:04:19 -0500 Received: from localhost.localdomain (unknown [10.99.22.81]) by linux.site (Postfix) with ESMTP id ECC1A42CE148; Wed, 20 Feb 2013 20:35:48 -0700 (MST) From: Sonic Zhang To: Wolfgang Denk , Date: Thu, 21 Feb 2013 19:06:48 +0800 Message-ID: <1361444809-22035-11-git-send-email-sonic.adi@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1361444809-22035-1-git-send-email-sonic.adi@gmail.com> References: <1361444809-22035-1-git-send-email-sonic.adi@gmail.com> MIME-Version: 1.0 Cc: u-boot-devel@blackfin.uclinux.org, Sonic Zhang Subject: [U-Boot] [PATCH v4 10/11] 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 From: Bob Liu Signed-off-by: Bob Liu Signed-off-by: Sonic Zhang --- Changes in v4: None Changes in v3: None Changes in v2: None arch/blackfin/cpu/initcode.c | 13 +++++++++++++ arch/blackfin/cpu/start.S | 2 ++ include/configs/bf609-ezkit.h | 1 + 3 files changed, 16 insertions(+), 0 deletions(-) diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c index a717148..ce9a435 100644 --- a/arch/blackfin/cpu/initcode.c +++ b/arch/blackfin/cpu/initcode.c @@ -461,8 +461,21 @@ 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 6dffab8..02149fa 100644 --- a/include/configs/bf609-ezkit.h +++ b/include/configs/bf609-ezkit.h @@ -63,6 +63,7 @@ #define CONFIG_SYS_MONITOR_LEN (768 * 1024) #define CONFIG_SYS_MALLOC_LEN (512 * 1024) +#define CONFIG_HW_WATCHDOG /* * Network Settings */