From patchwork Fri Mar 23 11:35:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ganesh Goudar X-Patchwork-Id: 889921 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=chelsio.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4071h26P9Rz9s0q for ; Fri, 23 Mar 2018 22:36:02 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755051AbeCWLgA (ORCPT ); Fri, 23 Mar 2018 07:36:00 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:63286 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754948AbeCWLf6 (ORCPT ); Fri, 23 Mar 2018 07:35:58 -0400 Received: from localhost (victim.blr.asicdesigners.com [10.193.185.129]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id w2NBZsP7031426; Fri, 23 Mar 2018 04:35:55 -0700 From: Ganesh Goudar To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, indranil@chelsio.com, venkatesh@chelsio.com, Ganesh Goudar , Casey Leedom Subject: [PATCH net-next] cxgb4: support new ISSI flash parts Date: Fri, 23 Mar 2018 17:05:49 +0530 Message-Id: <1521804949-1307-1-git-send-email-ganeshgr@chelsio.com> X-Mailer: git-send-email 2.1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support for new 32MB and 64MB ISSI (Integrated Silicon Solution, Inc.) FLASH parts. Signed-off-by: Casey Leedom Signed-off-by: Ganesh Goudar --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index b862477..7cb3ef4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -8604,6 +8604,25 @@ static int t4_get_flash_params(struct adapter *adap) } break; } + case 0x9d: { /* ISSI -- Integrated Silicon Solution, Inc. */ + /* This Density -> Size decoding table is taken from ISSI + * Data Sheets. + */ + density = (flashid >> 16) & 0xff; + switch (density) { + case 0x16: /* 32 MB */ + size = 1 << 25; + break; + case 0x17: /* 64MB */ + size = 1 << 26; + break; + default: + dev_err(adap->pdev_dev, "ISSI Flash Part has bad size, ID = %#x, Density code = %#x\n", + flashid, density); + return -EINVAL; + } + break; + } case 0xc2: { /* Macronix */ /* This Density -> Size decoding table is taken from Macronix * Data Sheets.