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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> for u-boot@lists.denx.de; Wed, 23 Jan 2013 15:22:41 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de 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+NgFvrCLMWRmVeSWpSXmKPExsWyRsSkVndj4/8Ag9tLNCze7u1kd2D0OHtn B2MAYxSXTUpqTmZZapG+XQJXRuueRUwFt1Qr7rQ2sjQwTpbvYuTkkBAwkVj2+hU7hC0mceHe erYuRi4OIYGljBL/l7exwxRd+bOQESKxiFGiZfE5VghnFZPE5jlHWECq2ASMJLaenMYIYosI SEj86r8KZjML5EtMP3UbzBYW8JNYtO4SE4jNIqAq8b/pKVgvr4CHxNWOySwQ2xQkjk39ygpi cwp4SqyedwusXgio5kPze2aQxRICl9kk/s2/wwwxSEDi2+RDQM0cQAlZiU0HmCHmSEocXHGD ZQKj8AJGhlWMoqkFyQXFSem5RnrFibnFpXnpesn5uZsYgWF4+t8z6R2MqxosDjEKcDAq8fAm PPsXIMSaWFZcmXuIUYKDWUmEV3kjUIg3JbGyKrUoP76oNCe1+BBjMtDyicxSosn5wBjJK4k3 NDYxNzU2tTQyMjM1JU1YSZyX8dSTACGB9MSS1OzU1ILUIpgtTBycUg2M1Z9WSJqEft77kTd8 asvzDuHyFd8O7I6bua903jT3qUpG7il/c6dXCnam71xqZaxbkqVWdv/2R0HtS0sOR/4wmLWK uzArKqMlKW+ZrY6blfjRyxHCyW2ROjySlj+Ss54aL7q49qG1ScLPWVYbct3dX2QbnZseFGdy Zaf5pAd1k+wudjBtDfmlxFKckWioxVxUnAgAE+lXIIcCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMIsWRmVeSWpSXmKPExsVy+t9jAd2Njf8DDKZekrR4u7eT3YHR4+yd HYwBjFENjDYZqYkpqUUKqXnJ+SmZeem2St7B8c7xpmYGhrqGlhbmSgp5ibmptkouPgG6bpk5 QGOVFMoSc0qBQgGJxcVK+naYJoSGuOlawDRG6PqGBMH1GBmggYQ1jBmtexYxFdxSrbjT2sjS wDhZvouRk0NCwETiyp+FjBC2mMSFe+vZuhi5OIQEFjFKtCw+xwrhrGKS2DznCAtIFZuAkcTW k9PAOkQEJCR+9V8Fs5kF8iWmn7oNZgsL+EksWneJCcRmEVCV+N/0FKyXV8BD4mrHZBaIbQoS x6Z+ZQWxOQU8JVbPuwVWLwRU86H5PfMERt4FjAyrGEVTC5ILipPSc430ihNzi0vz0vWS83M3 MYKD/Jn0DsZVDRaHGAU4GJV4eBOe/QsQYk0sK67MPcQowcGsJMKrvBEoxJuSWFmVWpQfX1Sa k1p8iDEZ6KqJzFKiyfnACMwriTc0NjE3NTa1NLEwMbMkTVhJnJfx1JMAIYH0xJLU7NTUgtQi mC1MHJxSDYyZLs/XmDbHntmcKyTKfLv14IL5Dgtayr4Y+zRtaZicf/DDVlOxV8n/BQ/xXKyc 6+fFE7vZ7t3PJ1MXBUhONko+rPHdfKLyha8J7FdPMPbzXKo93F9S6sMRlTij+8GWc3sqFZgu 57NHfbOfkTC1WrHMfea7o5WcXX7x9pE2jGp3zz8J2y3pEq/EUpyRaKjFXFScCACBuT4ltgIA AA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: patches@linaro.org Subject: [U-Boot] [PATCH 1/2 V2] SF: Add driver for Gigabyte device GD25LQ and GD25Q64B X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de 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);