From patchwork Wed Dec 25 05:50:23 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 3405121 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C235C9F3EB for ; Wed, 25 Dec 2013 06:21:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E6AB320136 for ; Wed, 25 Dec 2013 06:21:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDA9520138 for ; Wed, 25 Dec 2013 06:21:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751534Ab3LYGVw (ORCPT ); Wed, 25 Dec 2013 01:21:52 -0500 Received: from mail-db8lp0189.outbound.messaging.microsoft.com ([213.199.154.189]:13972 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751334Ab3LYGVs (ORCPT ); Wed, 25 Dec 2013 01:21:48 -0500 Received: from mail148-db8-R.bigfish.com (10.174.8.235) by DB8EHSOBE036.bigfish.com (10.174.4.99) with Microsoft SMTP Server id 14.1.225.22; Wed, 25 Dec 2013 06:21:46 +0000 Received: from mail148-db8 (localhost [127.0.0.1]) by mail148-db8-R.bigfish.com (Postfix) with ESMTP id BFAF4E0078; Wed, 25 Dec 2013 06:21:46 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 4 X-BigFish: VS4(z551bizzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) Received: from mail148-db8 (localhost.localdomain [127.0.0.1]) by mail148-db8 (MessageSwitch) id 1387952505463127_7215; Wed, 25 Dec 2013 06:21:45 +0000 (UTC) Received: from DB8EHSMHS020.bigfish.com (unknown [10.174.8.237]) by mail148-db8.bigfish.com (Postfix) with ESMTP id 5ECC12A0047; Wed, 25 Dec 2013 06:21:45 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB8EHSMHS020.bigfish.com (10.174.4.30) with Microsoft SMTP Server (TLS) id 14.16.227.3; Wed, 25 Dec 2013 06:21:45 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.3.158.2; Wed, 25 Dec 2013 06:21:43 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id rBP6LMVg004606; Tue, 24 Dec 2013 23:21:38 -0700 From: Huang Shijie To: CC: , , , , , , , , , , , , , , Huang Shijie Subject: [PATCH v4 1/7] mtd: spi-nor: copy the SPI NOR commands to a new header file Date: Wed, 25 Dec 2013 13:50:23 +0800 Message-ID: <1387950629-27448-2-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.2.rc3 In-Reply-To: <1387950629-27448-1-git-send-email-b32955@freescale.com> References: <1387950629-27448-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%0$Dn%FREESCALE.MAIL.ONMICROSOFT.COM$RO%1$TLS%0$FQDN%$TlsDn% Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-6.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY, UNRESOLVED_TEMPLATE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a new header :spi-nor.h, and copies all the SPI NOR commands and relative macros into this new header. This hearder can be used by the m25p80.c and other spi-nor controller, such as Freescale's Quadspi. Signed-off-by: Huang Shijie --- include/linux/mtd/spi-nor.h | 53 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 53 insertions(+), 0 deletions(-) create mode 100644 include/linux/mtd/spi-nor.h diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h new file mode 100644 index 0000000..ab2ea1e --- /dev/null +++ b/include/linux/mtd/spi-nor.h @@ -0,0 +1,53 @@ +#ifndef __LINUX_MTD_SPI_NOR_H +#define __LINUX_MTD_SPI_NOR_H + +/* Flash opcodes. */ +#define OPCODE_WREN 0x06 /* Write enable */ +#define OPCODE_RDSR 0x05 /* Read status register */ +#define OPCODE_WRSR 0x01 /* Write status register 1 byte */ +#define OPCODE_NORM_READ 0x03 /* Read data bytes (low frequency) */ +#define OPCODE_FAST_READ 0x0b /* Read data bytes (high frequency) */ +#define OPCODE_QUAD_READ 0x6b /* Read data bytes */ +#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */ +#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */ +#define OPCODE_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips */ +#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */ +#define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */ +#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */ +#define OPCODE_RDID 0x9f /* Read JEDEC ID */ +#define OPCODE_RDCR 0x35 /* Read configuration register */ + +/* 4-byte address opcodes - used on Spansion and some Macronix flashes. */ +#define OPCODE_NORM_READ_4B 0x13 /* Read data bytes (low frequency) */ +#define OPCODE_FAST_READ_4B 0x0c /* Read data bytes (high frequency) */ +#define OPCODE_QUAD_READ_4B 0x6c /* Read data bytes */ +#define OPCODE_PP_4B 0x12 /* Page program (up to 256 bytes) */ +#define OPCODE_SE_4B 0xdc /* Sector erase (usually 64KiB) */ + +/* Used for SST flashes only. */ +#define OPCODE_BP 0x02 /* Byte program */ +#define OPCODE_WRDI 0x04 /* Write disable */ +#define OPCODE_AAI_WP 0xad /* Auto address increment word program */ + +/* Used for Macronix and Winbond flashes. */ +#define OPCODE_EN4B 0xb7 /* Enter 4-byte mode */ +#define OPCODE_EX4B 0xe9 /* Exit 4-byte mode */ + +/* Used for Spansion flashes only. */ +#define OPCODE_BRWR 0x17 /* Bank register write */ + +/* Status Register bits. */ +#define SR_WIP 1 /* Write in progress */ +#define SR_WEL 2 /* Write enable latch */ +/* meaning of other SR_* bits may differ between vendors */ +#define SR_BP0 4 /* Block protect 0 */ +#define SR_BP1 8 /* Block protect 1 */ +#define SR_BP2 0x10 /* Block protect 2 */ +#define SR_SRWD 0x80 /* SR write protect */ + +#define SR_QUAD_EN_MX 0x40 /* Macronix Quad I/O */ + +/* Configuration Register bits. */ +#define CR_QUAD_EN_SPAN 0x2 /* Spansion Quad I/O */ + +#endif