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2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=NwNiNwBD; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=gmail.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750931AbeCNKyI (ORCPT ); Wed, 14 Mar 2018 06:54:08 -0400 Received: from mail-lf0-f65.google.com ([209.85.215.65]:43032 "EHLO mail-lf0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751440AbeCNKyF (ORCPT ); Wed, 14 Mar 2018 06:54:05 -0400 X-Google-Smtp-Source: AG47ELsSZC8z5pjBUBtS0TIpwa7Zqjd+hwRJtcJqkMZqCpnn5wBqdktfSOpWuGxMYPTueV8tfcuoFFuLLpO58k9l9Xo= MIME-Version: 1.0 In-Reply-To: <20180314003655.12141-2-djkurtz@chromium.org> References: <20180314003655.12141-1-djkurtz@chromium.org> <20180314003655.12141-2-djkurtz@chromium.org> From: Ricardo Ribalda Delgado Date: Wed, 14 Mar 2018 11:53:43 +0100 Message-ID: Subject: Re: [PATCH 1/3] serial: 8250_early: Add earlycon support for AMD Carrizo / Stoneyridge To: Daniel Kurtz Cc: adurbin@chromium.org, Greg Kroah-Hartman , Jiri Slaby , Marc Gonzalez , Douglas Anderson , Matt Redfearn , Jeffy Chen , "open list:SERIAL DRIVERS" , open list Content-Type: text/plain; charset="UTF-8" Sender: linux-serial-owner@vger.kernel.org X-Mailing-List: linux-serial@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi Daniel On Wed, Mar 14, 2018 at 1:36 AM, Daniel Kurtz wrote: > > AMD Carrizo / Stoneyridge use a DesignWare 8250 UART that uses a 48 MHz > input clock. > > Allow these platforms to set up this clock by specifying a kernel command > line like: > earlycon=amdcz,mmio32,0xfedc6000,115200 If the port and the mode (mmio32) is always fixed, couldn't we just add those two into early_amdcz_setup? Thanks!