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[203.254.224.34]) by mx.google.com with ESMTP id d3si19784141paw.244.2013.01.22.22.22.42; Tue, 22 Jan 2013 22:22:43 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.34 as permitted sender) client-ip=203.254.224.34; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.34 as permitted sender) smtp.mail=rajeshwari.s@samsung.com Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MH20018GF1MNWP0@mailout4.samsung.com>; Wed, 23 Jan 2013 15:22:41 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [172.20.52.123]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id BE.B1.03918.1B18FF05; Wed, 23 Jan 2013 15:22:41 +0900 (KST) X-AuditID: cbfee61a-b7f7d6d000000f4e-7a-50ff81b1aaa9 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 4E.B1.03918.1B18FF05; Wed, 23 Jan 2013 15:22:41 +0900 (KST) Received: from rajeshwari-linux.sisodomain.com ([107.108.215.115]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MH200EZRF1HZI90@mmp1.samsung.com>; Wed, 23 Jan 2013 15:22:41 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Cc: patches@linaro.org, sjg@chromium.org, mk7.kang@samsung.com, chander.kashyap@linaro.org, vapier@gentoo.org Subject: [PATCH 1/2 V2] SF: Add driver for Gigabyte device GD25LQ and GD25Q64B Date: Wed, 23 Jan 2013 12:00:18 +0530 Message-id: <1358922619-10356-2-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1358922619-10356-1-git-send-email-rajeshwari.s@samsung.com> References: <1358922619-10356-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrJLMWRmVeSWpSXmKPExsWyRsSkWndj4/8Ag7aVKhYP199ksZhy+AuL A5PHnWt72AIYo7hsUlJzMstSi/TtErgyWvcsYiq4pVpxp7WRpYFxsnwXIyeHhICJRNeBvewQ tpjEhXvr2boYuTiEBJYySrx+8JUNpujR93dMEIlFjBKrbm9mgXAmMkksenKPFaSKTcBIYuvJ aYwgtoiAhMSv/qtgNrNAvsT0U7fBbGEBP4lF6y4xgdgsAqoS/5uesoDYvAIeElc7JrNAbFOQ ODb1K9hMTgFPidXzboHVCwHVfGh+zwyyWELgNpvE+53bWSAGCUh8m3wIyOYASshKbDrADDFH UuLgihssExiFFzAyrGIUTS1ILihOSs811CtOzC0uzUvXS87P3cQIDMjT/55J7WBc2WBxiFGA g1GJhzfh2b8AIdbEsuLK3EOMEhzMSiK8yhuBQrwpiZVVqUX58UWlOanFhxiTgZZPZJYSTc4H RkteSbyhsYm5qbGppZGRmakpacJK4ryMp54ECAmkJ5akZqemFqQWwWxh4uCUamCMddxkNzWb XzuIf9LxTW77E3raj97u3Fp4Qfhn6plijhXyYcEz/U3/X/0sfKxu23m/8mVLI1R+vYlYH8Ij UPt0c9tKvbCFjVsPZzM0rU/6uWPSpU06nsevHD5ad/HcondC57RXqexatGRqyPIlliz6Nw2j 4tt1emu3fRGRf3cgz3zz5v9x8ypUlFiKMxINtZiLihMBB2Xn94wCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrBIsWRmVeSWpSXmKPExsVy+t9jAd2Njf8DDL7tkrR4uP4mi8WUw19Y HJg87lzbwxbAGNXAaJORmpiSWqSQmpecn5KZl26r5B0c7xxvamZgqGtoaWGupJCXmJtqq+Ti E6DrlpkDNFtJoSwxpxQoFJBYXKykb4dpQmiIm64FTGOErm9IEFyPkQEaSFjDmNG6ZxFTwS3V ijutjSwNjJPluxg5OSQETCQefX/HBGGLSVy4t56ti5GLQ0hgEaPEqtubWSCciUwSi57cYwWp YhMwkth6chojiC0iICHxq/8qmM0skC8x/dRtMFtYwE9i0bpLYFNZBFQl/jc9ZQGxeQU8JK52 TGaB2KYgcWzqV7CZnAKeEqvn3QKrFwKq+dD8nnkCI+8CRoZVjKKpBckFxUnpuYZ6xYm5xaV5 6XrJ+bmbGMHh/kxqB+PKBotDjAIcjEo8vAnP/gUIsSaWFVfmHmKU4GBWEuFV3ggU4k1JrKxK LcqPLyrNSS0+xJgMdNVEZinR5HxgLOaVxBsam5ibGptamliYmFmSJqwkzst46kmAkEB6Yklq dmpqQWoRzBYmDk6pBka3Ck1/9ocrGEKigoVWrbtzr8Gs8ZKRVtSMla8KTIS6n62YziGxdppr d3FXa2CGmYtQpJeW4Axu60lTJFhL8lff0HjbzXj8k0zY1mUfrh6+1sd4/cbzjMBbkV9PpIYd TJrRudgyg+10ne6MJ4vr9NfcSBMOnC2y7OWTdW6KBp4L8vL572xy/6jEUpyRaKjFXFScCAAT tlrVuwIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-Gm-Message-State: ALoCoQkoSLGfm53WUcIw4hBlccniuwMyRPmaN+uwA4pTGYMRDcMxml3exoiy0QZ/J4EmrO9MOqZu This patch adds driver for the gigabyte devices GD25LQ and GD25Q64B required for Snow Board. Signed-off-by: Rajeshwari Shinde Acked-by: Simon Glass Reviewed-by: Tom Rini --- Changes in V2: - Added U-Boot copyright header to gigadevice.c - Removed unnecessary blank lines. drivers/mtd/spi/Makefile | 1 + drivers/mtd/spi/gigadevice.c | 81 ++++++++++++++++++++++++++++++++++ drivers/mtd/spi/spi_flash.c | 3 + drivers/mtd/spi/spi_flash_internal.h | 1 + 4 files changed, 86 insertions(+), 0 deletions(-) create mode 100644 drivers/mtd/spi/gigadevice.c diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile index 90f8392..ecbb210 100644 --- a/drivers/mtd/spi/Makefile +++ b/drivers/mtd/spi/Makefile @@ -32,6 +32,7 @@ endif COBJS-$(CONFIG_SPI_FLASH) += spi_flash.o COBJS-$(CONFIG_SPI_FLASH_ATMEL) += atmel.o COBJS-$(CONFIG_SPI_FLASH_EON) += eon.o +COBJS-$(CONFIG_SPI_FLASH_GIGADEVICE) += gigadevice.o COBJS-$(CONFIG_SPI_FLASH_MACRONIX) += macronix.o COBJS-$(CONFIG_SPI_FLASH_SPANSION) += spansion.o COBJS-$(CONFIG_SPI_FLASH_SST) += sst.o diff --git a/drivers/mtd/spi/gigadevice.c b/drivers/mtd/spi/gigadevice.c new file mode 100644 index 0000000..b5e1ebe --- /dev/null +++ b/drivers/mtd/spi/gigadevice.c @@ -0,0 +1,81 @@ +/* + * Gigadevice SPI flash driver + * Copyright 2013, Samsung Electronics Co., Ltd. + * Author: Banajit Goswami + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include + +#include "spi_flash_internal.h" + +struct gigadevice_spi_flash_params { + uint16_t id; + uint16_t nr_blocks; + const char *name; +}; + +static const struct gigadevice_spi_flash_params gigadevice_spi_flash_table[] = { + { + .id = 0x6016, + .nr_blocks = 64, + .name = "GD25LQ", + }, + { + .id = 0x4017, + .nr_blocks = 128, + .name = "GD25Q64B", + }, +}; + +struct spi_flash *spi_flash_probe_gigadevice(struct spi_slave *spi, u8 *idcode) +{ + const struct gigadevice_spi_flash_params *params; + struct spi_flash *flash; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gigadevice_spi_flash_table); i++) { + params = &gigadevice_spi_flash_table[i]; + if (params->id == ((idcode[1] << 8) | idcode[2])) + break; + } + + if (i == ARRAY_SIZE(gigadevice_spi_flash_table)) { + debug("SF: Unsupported Gigadevice ID %02x%02x\n", + idcode[1], idcode[2]); + return NULL; + } + + flash = spi_flash_alloc_base(spi, params->name); + if (!flash) { + debug("SF: Failed to allocate memory\n"); + return NULL; + } + /* page_size */ + flash->page_size = 256; + /* sector_size = page_size * pages_per_sector */ + flash->sector_size = flash->page_size * 16; + /* size = sector_size * sector_per_block * number of blocks */ + flash->size = flash->sector_size * 16 * params->nr_blocks; + + return flash; +} diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 17f3d3c..ee05171 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -305,6 +305,9 @@ static const struct { #ifdef CONFIG_SPI_FLASH_EON { 0, 0x1c, spi_flash_probe_eon, }, #endif +#ifdef CONFIG_SPI_FLASH_GIGADEVICE + { 0, 0xc8, spi_flash_probe_gigadevice, }, +#endif #ifdef CONFIG_SPI_FLASH_MACRONIX { 0, 0xc2, spi_flash_probe_macronix, }, #endif diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h index 141cfa8..e0afbc3 100644 --- a/drivers/mtd/spi/spi_flash_internal.h +++ b/drivers/mtd/spi/spi_flash_internal.h @@ -106,3 +106,4 @@ struct spi_flash *spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, u8 *idcode); +struct spi_flash *spi_flash_probe_gigadevice(struct spi_slave *spi, u8 *idcode);