diff mbox series

mtd: spi-nor: gigadevice: Add support for gd25lb256e

Message ID 1612869079-19593-1-git-send-email-mdalam@codeaurora.org
State Changes Requested
Delegated to: Ambarus Tudor
Headers show
Series mtd: spi-nor: gigadevice: Add support for gd25lb256e | expand

Commit Message

Md Sadre Alam Feb. 9, 2021, 11:11 a.m. UTC
Add support for gd25lb256e. This device tested on IPQ5018
platform with dd from/to the flash for read/write respectly,
and mtd erase for erasing the flash.

Signed-off-by: Md Sadre Alam <mdalam@codeaurora.org>
---
 drivers/mtd/spi-nor/gigadevice.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Md Sadre Alam Feb. 16, 2021, 3:10 p.m. UTC | #1
On 2021-02-09 16:41, Md Sadre Alam wrote:
> Add support for gd25lb256e. This device tested on IPQ5018
> platform with dd from/to the flash for read/write respectly,
> and mtd erase for erasing the flash.
> 
> Signed-off-by: Md Sadre Alam <mdalam@codeaurora.org>
> ---
>  drivers/mtd/spi-nor/gigadevice.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/gigadevice.c 
> b/drivers/mtd/spi-nor/gigadevice.c
> index 447d84b..8f1e7ec 100644
> --- a/drivers/mtd/spi-nor/gigadevice.c
> +++ b/drivers/mtd/spi-nor/gigadevice.c
> @@ -50,6 +50,9 @@ static const struct flash_info gigadevice_parts[] = {
>  			   SPI_NOR_4B_OPCODES | SPI_NOR_HAS_LOCK |
>  			   SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
>  		.fixups = &gd25q256_fixups },
> +	{ "gd25lb256e", INFO(0xc86719, 0, 64 * 1024, 512,
> +			  SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> +			  SPI_NOR_4B_OPCODES) },
>  };
> 
>  const struct spi_nor_manufacturer spi_nor_gigadevice = {

ping! Is there any additional info needed for this ?
Tudor Ambarus Feb. 16, 2021, 4:05 p.m. UTC | #2
Hi,

On 2/16/21 5:10 PM, mdalam@codeaurora.org wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On 2021-02-09 16:41, Md Sadre Alam wrote:
>> Add support for gd25lb256e. This device tested on IPQ5018
>> platform with dd from/to the flash for read/write respectly,
>> and mtd erase for erasing the flash.
>>
>> Signed-off-by: Md Sadre Alam <mdalam@codeaurora.org>
>> ---
>>  drivers/mtd/spi-nor/gigadevice.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/mtd/spi-nor/gigadevice.c
>> b/drivers/mtd/spi-nor/gigadevice.c
>> index 447d84b..8f1e7ec 100644
>> --- a/drivers/mtd/spi-nor/gigadevice.c
>> +++ b/drivers/mtd/spi-nor/gigadevice.c
>> @@ -50,6 +50,9 @@ static const struct flash_info gigadevice_parts[] = {
>>                          SPI_NOR_4B_OPCODES | SPI_NOR_HAS_LOCK |
>>                          SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
>>               .fixups = &gd25q256_fixups },
>> +     { "gd25lb256e", INFO(0xc86719, 0, 64 * 1024, 512,
>> +                       SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
>> +                       SPI_NOR_4B_OPCODES) },
>>  };
>>
>>  const struct spi_nor_manufacturer spi_nor_gigadevice = {
> 
> ping! Is there any additional info needed for this ?

No other info needed, just time to review it. Please stop sending
free pings, every patch will be reviewed.

Cheers,
ta
Tudor Ambarus March 8, 2021, 6:12 a.m. UTC | #3
On 2/9/21 1:11 PM, Md Sadre Alam wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Add support for gd25lb256e. This device tested on IPQ5018
> platform with dd from/to the flash for read/write respectly,

typo: respectly
> and mtd erase for erasing the flash.
> 
> Signed-off-by: Md Sadre Alam <mdalam@codeaurora.org>
> ---
>  drivers/mtd/spi-nor/gigadevice.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c
> index 447d84b..8f1e7ec 100644
> --- a/drivers/mtd/spi-nor/gigadevice.c
> +++ b/drivers/mtd/spi-nor/gigadevice.c
> @@ -50,6 +50,9 @@ static const struct flash_info gigadevice_parts[] = {
>                            SPI_NOR_4B_OPCODES | SPI_NOR_HAS_LOCK |
>                            SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
>                 .fixups = &gd25q256_fixups },
> +       { "gd25lb256e", INFO(0xc86719, 0, 64 * 1024, 512,
> +                         SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> +                         SPI_NOR_4B_OPCODES) },

The flash doesn't have support for 0x3b command, you can't add the
SPI_NOR_DUAL_READ flag.

I see that the flash name contains info about the generation of the flash.
Is the generation differentiated by a different device ID? If not, we can
strip the "e" from the flash name.

Looks like the flash has support for BP0-3 protection. You can try
to add the flash locking flags and test the support with mtd-utils,
if you're interested in this kind of support.

Cheers,
ta

>  };
> 
>  const struct spi_nor_manufacturer spi_nor_gigadevice = {
> --
> 2.7.4
>
diff mbox series

Patch

diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c
index 447d84b..8f1e7ec 100644
--- a/drivers/mtd/spi-nor/gigadevice.c
+++ b/drivers/mtd/spi-nor/gigadevice.c
@@ -50,6 +50,9 @@  static const struct flash_info gigadevice_parts[] = {
 			   SPI_NOR_4B_OPCODES | SPI_NOR_HAS_LOCK |
 			   SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
 		.fixups = &gd25q256_fixups },
+	{ "gd25lb256e", INFO(0xc86719, 0, 64 * 1024, 512,
+			  SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+			  SPI_NOR_4B_OPCODES) },
 };
 
 const struct spi_nor_manufacturer spi_nor_gigadevice = {