From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753061AbaCYIVO (ORCPT ); Tue, 25 Mar 2014 04:21:14 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:40060 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753015AbaCYIVI (ORCPT ); Tue, 25 Mar 2014 04:21:08 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: lee.jones@linaro.org, kernel@stlinux.com, computersforpeace@gmail.com, linux-mtd@lists.infradead.org, dwmw2@infradead.org, angus.clark@st.com, pekon@ti.com Subject: [RFC 26/47] mtd: nand: stm_nand_bch: populate IBBT BCH Header Date: Tue, 25 Mar 2014 08:19:43 +0000 Message-Id: <1395735604-26706-27-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1395735604-26706-1-git-send-email-lee.jones@linaro.org> References: <1395735604-26706-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The STM NAND BCH Controller driver has extended the IBBT header with some extra convenience properties. This function populates both those and the standard header specified by 'struct nand_ibbt_header'. Signed-off-by: Lee Jones --- drivers/mtd/nand/stm_nand_bch.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index e1c71be..2d03113 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "stm_nand_regs.h" #include "stm_nand_dt.h" @@ -524,6 +525,22 @@ static int bbt_is_block_bad(uint8_t *bbt, uint32_t block) return bbt_get_block_mark(bbt, block) == BBT_MARK_GOOD ? 0 : 1; } +/* Populate IBBT BCH Header */ +static void bch_fill_ibbt_header(struct nandi_controller *nandi, + struct nand_ibbt_bch_header *ibbt_header, + int bak, uint8_t vers) +{ + const char author[] = "STLinux " UTS_RELEASE " (stm-nand-bch)"; + + memcpy(ibbt_header->base.signature, ibbt_sigs[bak], NAND_IBBT_SIGLEN); + ibbt_header->base.version = vers; + memset(ibbt_header->base.schema, NAND_IBBT_SCHEMA, 4); + + memset(ibbt_header->schema, NAND_IBBT_SCHEMA, 4); + memset(ibbt_header->ecc_size, bch_ecc_sizes[nandi->bch_ecc_mode], 4); + memcpy(ibbt_header->author, author, sizeof(author)); +} + /* Scan block for IBBT signature */ static int bch_find_ibbt_sig(struct nandi_controller *nandi, uint32_t block, int *bak, uint8_t *vers, -- 1.8.3.2