From patchwork Mon May 22 11:05:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 765323 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3wWbTX3vy3z9s4q for ; Mon, 22 May 2017 21:07:11 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="PTWiJ/mW"; dkim-atps=neutral Received: by lists.denx.de (Postfix, from userid 105) id 205F4C21C96; Mon, 22 May 2017 11:06:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 714B6C21C57; Mon, 22 May 2017 11:05:46 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id CF7CCC21C36; Mon, 22 May 2017 11:05:44 +0000 (UTC) Received: from mail-oi0-f52.google.com (mail-oi0-f52.google.com [209.85.218.52]) by lists.denx.de (Postfix) with ESMTPS id 5F124C21C40 for ; Mon, 22 May 2017 11:05:44 +0000 (UTC) Received: by mail-oi0-f52.google.com with SMTP id l18so156339907oig.2 for ; Mon, 22 May 2017 04:05:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=XnvLVzbq2AVzIw2Ncc45TfPZdjw7FES00Rgk95VIa3g=; b=PTWiJ/mW+L1gurSFAOXI34XekfIjFT1RaNc3s4QzI6OA83oUWStor/Y2ulGNjBIdUH y9Jhtz/w83uBoPEhhPu9SxbdMsTJr4oAP5NtB08OosDr1gdoSV3xYm2JDmC+9EObAgkI YlqETvk04z4l/GzR6FATFfR/8d4rriqYj5cGs/pgK8u+faq9Nx9oh2Lnb5d0XmtAZXo9 pXoAJ5xADrZebzPII09Cha5PI7q0EOcU/Dpy4t1nZsJUf8NnKuEKZD26mDRBZy57qwP0 bK+kPZcMCXei6J7L8jIncAqhN3X9cM5iO4QRD+KsQC0k8TmGsnQlT/yRr62hI4D+i76g P7Tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=XnvLVzbq2AVzIw2Ncc45TfPZdjw7FES00Rgk95VIa3g=; b=is+/tBM4/hCe8CqNWwkQ1/wWfTFEv6x/RY5FyM6yvNvspP1Zg+9QK7xnJtI2VLq3br oHnOcpqftObZOqJa4FBE7sq6mG8VXp36PCOuT+W2ikJa+Yunrlk64PLjl1UNe2A5Ish/ Xsuq2IlXQy+fjC6gzYA+CjnrK/vBzWS+KRI4LEgl6+PkbMWFdnyv7xrUhnkDCQ/Fy8RZ FdOHwk2ZizryUD1Oa+NmnWEu0GyLqW3ao9pC9fysuOd4fUitdkDLB10EdeiblglNH8u3 VOPfAl4UkYWiZkby+DqZr49Ta8XkTPpLA2WXq5h7iot1pXAxZ0pMbQAs7EIbGnP7RA3R nuOA== X-Gm-Message-State: AODbwcDFoN7scYTtxFMQIATYaOvn7JTmkZ6Y/iBPQVFGK4TJhG9YI3xF Dy+j+ZyZ9CCdFg5v X-Received: by 10.202.214.18 with SMTP id n18mr11911686oig.27.1495451143157; Mon, 22 May 2017 04:05:43 -0700 (PDT) Received: from kaki.bld.corp.google.com ([100.100.184.96]) by smtp.gmail.com with ESMTPSA id s23sm8522364ota.56.2017.05.22.04.05.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 May 2017 04:05:41 -0700 (PDT) Received: by kaki.bld.corp.google.com (Postfix, from userid 121222) id 29B6340563; Mon, 22 May 2017 05:05:40 -0600 (MDT) From: Simon Glass To: U-Boot Mailing List Date: Mon, 22 May 2017 05:05:22 -0600 Message-Id: <20170522110536.6231-2-sjg@chromium.org> X-Mailer: git-send-email 2.13.0.303.g4ebf302169-goog In-Reply-To: <20170522110536.6231-1-sjg@chromium.org> References: <20170522110536.6231-1-sjg@chromium.org> Cc: Tom Rini Subject: [U-Boot] [PATCH 01/15] bootstage: Provide a default timer function X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" If CONFIG_SYS_TIMER_COUNTER is used we can provide a default microsecond timer implementation. Signed-off-by: Simon Glass --- lib/time.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/lib/time.c b/lib/time.c index 3c49243e6a..aed1a091f2 100644 --- a/lib/time.c +++ b/lib/time.c @@ -36,6 +36,23 @@ unsigned long notrace timer_read_counter(void) return readl(CONFIG_SYS_TIMER_COUNTER); #endif } + +ulong timer_get_boot_us(void) +{ + ulong count = timer_read_counter(); + +#if CONFIG_SYS_TIMER_RATE == 1000000 + return count; +#elif CONFIG_SYS_TIMER_RATE > 1000000 + return lldiv(count, CONFIG_SYS_TIMER_RATE / 1000000); +#elif defined(CONFIG_SYS_TIMER_RATE) + return (unsigned long long)count * 1000000 / CONFIG_SYS_TIMER_RATE; +#else + /* Assume the counter is in microseconds */ + return count; +#endif +} + #else extern unsigned long __weak timer_read_counter(void); #endif