diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/spi.h | 8 | ||||
| -rw-r--r-- | include/spi_flash.h | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h index c8a9d87b5..d214d8292 100644 --- a/include/spi.h +++ b/include/spi.h @@ -30,6 +30,7 @@ #define SPI_XFER_MMAP 0x08 /* Memory Mapped start */ #define SPI_XFER_MMAP_END 0x10 /* Memory Mapped End */ #define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END) +#define SPI_XFER_U_PAGE (1 << 5) /* SPI TX operation modes */ #define SPI_OPM_TX_QPP 1 << 0 @@ -44,6 +45,9 @@ SPI_OPM_RX_DIO | SPI_OPM_RX_QOF | \ SPI_OPM_RX_QIOF +/* SPI bus connection options */ +#define SPI_CONN_DUAL_SHARED 1 << 0 + /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec @@ -62,6 +66,8 @@ * @max_write_size: If non-zero, the maximum number of bytes which can * be written at once, excluding command bytes. * @memory_map: Address of read-only SPI flash access. + * @option: Varies SPI bus options - separate bus. + * @flags: Indication of SPI flags. */ struct spi_slave { unsigned int bus; @@ -71,6 +77,8 @@ struct spi_slave { unsigned int wordlen; unsigned int max_write_size; void *memory_map; + u8 option; + u8 flags; }; /** diff --git a/include/spi_flash.h b/include/spi_flash.h index 213d6592b..36f1f033c 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -36,6 +36,12 @@ enum spi_read_cmds { #define RD_EXTN ARRAY_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST #define RD_FULL RD_EXTN | QUAD_OUTPUT_FAST | QUAD_IO_FAST +/* Dual SPI flash memories */ +enum spi_dual_flash { + SF_SINGLE_FLASH = 0, + SF_DUAL_STACKED_FLASH = 1 << 0, +}; + /** * struct spi_flash_params - SPI/QSPI flash device params structure * @@ -64,6 +70,7 @@ extern const struct spi_flash_params spi_flash_params_table[]; * * @spi: SPI slave * @name: Name of SPI flash + * @dual_flash: Indicates dual flash memories - dual stacked * @size: Total flash size * @page_size: Write (page) size * @sector_size: Sector size @@ -88,6 +95,7 @@ extern const struct spi_flash_params spi_flash_params_table[]; struct spi_flash { struct spi_slave *spi; const char *name; + u8 dual_flash; u32 size; u32 page_size; |