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Thu, 17 Jan 2013 14:31:37 +0900 (KST) Received: from rajeshwari-linux.sisodomain.com ([107.108.215.115]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MGR0067J8OJ9V10@mmp2.samsung.com> for u-boot@lists.denx.de; Thu, 17 Jan 2013 14:31:37 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Date: Thu, 17 Jan 2013 11:09:05 +0530 Message-id: <1358401146-10628-2-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1358401146-10628-1-git-send-email-rajeshwari.s@samsung.com> References: <1358401146-10628-1-git-send-email-rajeshwari.s@samsung.com> DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrLLMWRmVeSWpSXmKPExsWyRsSkWndnz/cAg43HNC3e7u1kd2D0OHtn B2MAYxSXTUpqTmZZapG+XQJXxoQna1kL9spVdNy9ydLAuFmyi5GTQ0LAROLb7bNsELaYxIV7 64FsLg4hgaWMEvf/NzDCFF189ZYRIjGdUeLOsn8sEM4qJolJj6aBtbMJGElsPTkNrENEQELi V/9VMJtZIEbi9f4fYDXCAt4Sp1bNYgGxWQRUJfY/OAIW5xXwkPj+fg4zxDYFiWNTv7KC2JwC nhK3D/5kB7GFgGr+nFjHBNErIPFt8iGgORxA9bISmw4wg9wjIXCdTeL7yatQ70hKHFxxg2UC o/ACRoZVjKKpBckFxUnpuUZ6xYm5xaV56XrJ+bmbGIFhePrfM+kdjKsaLA4xCnAwKvHwGl3+ FiDEmlhWXJl7iFGCg1lJhHdN3vcAId6UxMqq1KL8+KLSnNTiQ4w+QJdMZJYSTc4HxkheSbyh sYm5qbGppZGRmakpDmElcV7GU08ChATSE0tSs1NTC1KLYMYxcXBKNTB67ZC9qmbnt7X6/Dmv 3K/hcusj/IpZ9GM+66ko/Ltb0z2z/V3/jM27nEXrdrPHlO4+unnKhy+dvRNC5Kz4QwM4bpnv eWxrof6vxlaJ16s6RUg14YVybI7Zlwlx0rkX69V/RdYtm8Qg7aRRoBvYdffYy7CquLdHWZ9z LFzyMXMx6zEGLgmhfCWW4oxEQy3mouJEAP12RdVwAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuphkeLIzCtJLcpLzFFi42I5/e+xoO7Onu8BBpOfKVi83dvJ7sDocfbO DsYAxqgGRpuM1MSU1CKF1Lzk/JTMvHRbJe/geOd4UzMDQ11DSwtzJYW8xNxUWyUXnwBdt8wc oLFKCmWJOaVAoYDE4mIlfTtME0JD3HQtYBojdH1DguB6jAzQQMIaxowJT9ayFuyVq+i4e5Ol gXGzZBcjJ4eEgInExVdvGSFsMYkL99azdTFycQgJTGeUuLPsHwuEs4pJYtKjaWwgVWwCRhJb T04D6xARkJD41X8VzGYWiJF4vf8HWI2wgLfEqVWzWEBsFgFVif0PjoDFeQU8JL6/n8MMsU1B 4tjUr6wgNqeAp8Ttgz/ZQWwhoJo/J9YxTWDkXcDIsIpRNLUguaA4KT3XSK84Mbe4NC9dLzk/ dxMjOMifSe9gXNVgcYhRgINRiYfX6PK3ACHWxLLiytxDjBIczEoivGvyvgcI8aYkVlalFuXH F5XmpBYfYvQBumois5Rocj4wAvNK4g2NTcxNjU0tTSxMzCxxCCuJ8zKeehIgJJCeWJKanZpa kFoEM46Jg1OqgdH8VaHzioTkm6L/JRZr3Zs0d2fbLOPV1o3p1kzasa+Svvf1tc7y2KyifV02 SCuer//ZnL37VnHW6YU0JM/zOL/baC3Hx10/vHi6ttgWfzxzd/dDPo5nhqd8VB8duTVn4kvO nVs2pL47un2Hi4nr3XCugKSpKwSOZfOGfm8WeLrsqpiEqPqL81pKLMUZiYZazEXFiQBhpuY9 nwIAAA== X-CFilter-Loop: Reflected Cc: patches@linaro.org Subject: [U-Boot] [PATCH 1/2] 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 --- drivers/mtd/spi/Makefile | 1 + drivers/mtd/spi/gigadevice.c | 66 ++++++++++++++++++++++++++++++++++ drivers/mtd/spi/spi_flash.c | 3 ++ drivers/mtd/spi/spi_flash_internal.h | 1 + 4 files changed, 71 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..0af497d 100644 --- a/drivers/mtd/spi/Makefile +++ b/drivers/mtd/spi/Makefile @@ -39,6 +39,7 @@ COBJS-$(CONFIG_SPI_FLASH_STMICRO) += stmicro.o COBJS-$(CONFIG_SPI_FLASH_WINBOND) += winbond.o COBJS-$(CONFIG_SPI_FRAM_RAMTRON) += ramtron.o COBJS-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o +COBJS-$(CONFIG_SPI_FLASH_GIGADEVICE) += gigadevice.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/mtd/spi/gigadevice.c b/drivers/mtd/spi/gigadevice.c new file mode 100644 index 0000000..5dbcd19 --- /dev/null +++ b/drivers/mtd/spi/gigadevice.c @@ -0,0 +1,66 @@ +/* + * Gigadevice SPI flash driver + * Copyright 2013, Samsung Electronics Co., Ltd. + * Author: Banajit Goswami + * + */ + +#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; + } + /* Assuming power-of-two page size initially. */ + 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);