diff options
| author | Kinsey Moore <kinsey.moore@oarcorp.com> | 2023-06-02 15:06:09 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2023-09-23 09:42:30 -0500 |
| commit | 3f3c646dea6e536ddb3f997309f419365df108cf (patch) | |
| tree | bb4e94a5621cd9075a9f4b168fbf8bc09d4db474 /bsps/include | |
| parent | bsps/xqspipsu: Break out RDID (diff) | |
| download | rtems-3f3c646dea6e536ddb3f997309f419365df108cf.tar.bz2 | |
bsps/xqspipsu: Add SFDP config space read ability
This adds a function to allow reading of the SFDP configuration space
that describes attributes of NOR flash chips.
Diffstat (limited to 'bsps/include')
| -rw-r--r-- | bsps/include/dev/spi/xqspipsu-flash-helper.h | 20 | ||||
| -rw-r--r-- | bsps/include/dev/spi/xqspipsu_flash_config.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/bsps/include/dev/spi/xqspipsu-flash-helper.h b/bsps/include/dev/spi/xqspipsu-flash-helper.h index 1578fe8485..e689660881 100644 --- a/bsps/include/dev/spi/xqspipsu-flash-helper.h +++ b/bsps/include/dev/spi/xqspipsu-flash-helper.h @@ -170,3 +170,23 @@ u32 QspiPsu_NOR_Get_Sector_Size(XQspiPsu *QspiPsuPtr); * ******************************************************************************/ int QspiPsu_NOR_RDID(XQspiPsu *QspiPsuPtr, u8 *ReadBfrPtr, u32 ReadLen); + +/*****************************************************************************/ +/** + * + * This function performs a read of the SFDP configuration space. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param ReadBfrPtr is a pointer to a buffer to be filled with + * configuration data. + * @param ReadLen is the total length of the configuration space to read. + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + ******************************************************************************/ +int QspiPsu_NOR_RDSFDP( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount, + u8 **ReadBfrPtr +); diff --git a/bsps/include/dev/spi/xqspipsu_flash_config.h b/bsps/include/dev/spi/xqspipsu_flash_config.h index 8310a87536..0b04fffc28 100644 --- a/bsps/include/dev/spi/xqspipsu_flash_config.h +++ b/bsps/include/dev/spi/xqspipsu_flash_config.h @@ -64,6 +64,7 @@ extern "C" { #define BULK_ERASE_CMD 0xC7 #define SEC_ERASE_CMD 0xD8 #define READ_ID 0x9F +#define READ_SFDP 0x5A #define READ_CONFIG_CMD 0x35 #define WRITE_CONFIG_CMD 0x01 #define ENTER_4B_ADDR_MODE 0xB7 |