From: Tudor Ambarus <tudor.ambarus@microchip.com>
To: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>,
<linux-mtd@lists.infradead.org>, <linux-spi@vger.kernel.org>
Cc: <boris.brezillon@bootlin.com>, <linux-kernel@vger.kernel.org>,
<marek.vasut@gmail.com>, <frieder.schrempf@exceet.de>,
<cyrille.pitchen@wedev4u.fr>, <computersforpeace@gmail.com>
Subject: Re: [RESEND PATCH 1/2] mtd: spi-nor: add macros related to MICRON flash
Date: Tue, 9 Oct 2018 07:01:21 +0300 [thread overview]
Message-ID: <6f692aa5-99af-2da8-95db-8ac71197c9a7@microchip.com> (raw)
In-Reply-To: <1537332608-19561-2-git-send-email-yogeshnarayan.gaur@nxp.com>
On 09/19/2018 07:50 AM, Yogesh Gaur wrote:
> Some MICRON related macros in spi-nor domain were ST.
> Rename entries related to STMicroelectronics under macro SNOR_MFR_ST.
>
> Added entry of MFR Id for Micron flashes, 0x002C.
>
> Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
> ---
> drivers/mtd/spi-nor/spi-nor.c | 9 ++++++---
> include/linux/mtd/cfi.h | 1 +
> include/linux/mtd/spi-nor.h | 3 ++-
> 3 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index f028277..33a55bc 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -271,6 +271,7 @@ static inline int set_4byte(struct spi_nor *nor, const struct flash_info *info,
> u8 cmd;
>
> switch (JEDEC_MFR(info)) {
> + case SNOR_MFR_ST:
> case SNOR_MFR_MICRON:
> /* Some Micron need WREN command; all will accept it */
> need_wren = true;
> @@ -1096,7 +1097,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
> { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, SPI_NOR_QUAD_READ) },
>
> - /* Micron */
> + /* Micron <--> ST Micro */
> { "n25q016a", INFO(0x20bb15, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_QUAD_READ) },
> { "n25q032", INFO(0x20ba16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) },
> { "n25q032a", INFO(0x20bb16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) },
> @@ -2502,6 +2503,7 @@ static int spi_nor_init_params(struct spi_nor *nor,
> params->quad_enable = macronix_quad_enable;
> break;
>
> + case SNOR_MFR_ST:
> case SNOR_MFR_MICRON:
> break;
>
> @@ -2876,8 +2878,9 @@ int spi_nor_scan(struct spi_nor *nor, const char *name,
> mtd->_resume = spi_nor_resume;
>
> /* NOR protection support for STmicro/Micron chips and similar */
> - if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
> - info->flags & SPI_NOR_HAS_LOCK) {
> + if (JEDEC_MFR(info) == SNOR_MFR_ST ||
> + JEDEC_MFR(info) == SNOR_MFR_MICRON ||
> + info->flags & SPI_NOR_HAS_LOCK) {
> nor->flash_lock = stm_lock;
> nor->flash_unlock = stm_unlock;
> nor->flash_is_locked = stm_is_locked;
> diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
> index 9b57a9b..cbf7716 100644
> --- a/include/linux/mtd/cfi.h
> +++ b/include/linux/mtd/cfi.h
> @@ -377,6 +377,7 @@ struct cfi_fixup {
> #define CFI_MFR_SHARP 0x00B0
> #define CFI_MFR_SST 0x00BF
> #define CFI_MFR_ST 0x0020 /* STMicroelectronics */
> +#define CFI_MFR_MICRON 0x002C /* Micron */
> #define CFI_MFR_TOSHIBA 0x0098
> #define CFI_MFR_WINBOND 0x00DA
>
> diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
> index c922e97..f43bfc5 100644
> --- a/include/linux/mtd/spi-nor.h
> +++ b/include/linux/mtd/spi-nor.h
> @@ -23,7 +23,8 @@
> #define SNOR_MFR_ATMEL CFI_MFR_ATMEL
> #define SNOR_MFR_GIGADEVICE 0xc8
> #define SNOR_MFR_INTEL CFI_MFR_INTEL
> -#define SNOR_MFR_MICRON CFI_MFR_ST /* ST Micro <--> Micron */
> +#define SNOR_MFR_ST CFI_MFR_ST /* ST Micro */
> +#define SNOR_MFR_MICRON CFI_MFR_MICRON /* Micron */
> #define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX
> #define SNOR_MFR_SPANSION CFI_MFR_AMD
> #define SNOR_MFR_SST CFI_MFR_SST
>
next prev parent reply other threads:[~2018-10-09 4:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-19 4:50 [RESEND PATCH 0/2] mtd: spi-nor: add entry for mt35xu512aba flash Yogesh Gaur
2018-09-19 4:50 ` [RESEND PATCH 1/2] mtd: spi-nor: add macros related to MICRON flash Yogesh Gaur
2018-09-19 16:30 ` Tudor Ambarus
2018-09-20 4:31 ` Yogesh Narayan Gaur
2018-09-20 9:20 ` Tudor Ambarus
2018-10-09 4:01 ` Tudor Ambarus [this message]
2018-09-19 4:50 ` [RESEND PATCH 2/2] mtd: spi-nor: add entry for mt35xu512aba flash Yogesh Gaur
2018-09-19 16:23 ` Tudor Ambarus
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