diff options
| -rw-r--r-- | chip/stm32/usb_spi.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/chip/stm32/usb_spi.h b/chip/stm32/usb_spi.h index 385aaaf730..90c15f5f65 100644 --- a/chip/stm32/usb_spi.h +++ b/chip/stm32/usb_spi.h @@ -661,89 +661,4 @@ int usb_spi_board_transaction(const struct spi_device_t *spi_device, uint32_t flash_flags, const uint8_t *txdata, int txlen, uint8_t *rxdata, int rxlen); -/* - * Flags to use in usb_spi_board_transaction_async() for advanced serial flash - * communication, when supported. - */ - -/* Data width during the opcode stage. */ -#define FLASH_FLAG_OPCODE_WIDTH_POS 0 -#define FLASH_FLAG_OPCODE_WIDTH_MSK (0x3U << FLASH_FLAG_OPCODE_WIDTH_POS) -#define FLASH_FLAG_OPCODE_WIDTH_1WIRE (0x0U << FLASH_FLAG_OPCODE_WIDTH_POS) -#define FLASH_FLAG_OPCODE_WIDTH_2WIRE (0x1U << FLASH_FLAG_OPCODE_WIDTH_POS) -#define FLASH_FLAG_OPCODE_WIDTH_4WIRE (0x2U << FLASH_FLAG_OPCODE_WIDTH_POS) -#define FLASH_FLAG_OPCODE_WIDTH_8WIRE (0x3U << FLASH_FLAG_OPCODE_WIDTH_POS) - -/* Transmit opcode bits at both rising and falling clock edges. */ -#define FLASH_FLAG_OPCODE_DTR_POS 2 -#define FLASH_FLAG_OPCODE_DTR (0x1U << FLASH_FLAG_OPCODE_DTR_POS) - -/* Number of bytes of opcode (0-4). */ -#define FLASH_FLAG_OPCODE_LEN_POS 3 -#define FLASH_FLAG_OPCODE_LEN_MSK (0x7U << FLASH_FLAG_OPCODE_LEN_POS) - -/* Data width during the address stage. */ -#define FLASH_FLAG_ADDR_WIDTH_POS 6 -#define FLASH_FLAG_ADDR_WIDTH_MSK (0x3U << FLASH_FLAG_ADDR_WIDTH_POS) -#define FLASH_FLAG_ADDR_WIDTH_1WIRE (0x0U << FLASH_FLAG_ADDR_WIDTH_POS) -#define FLASH_FLAG_ADDR_WIDTH_2WIRE (0x1U << FLASH_FLAG_ADDR_WIDTH_POS) -#define FLASH_FLAG_ADDR_WIDTH_4WIRE (0x2U << FLASH_FLAG_ADDR_WIDTH_POS) -#define FLASH_FLAG_ADDR_WIDTH_8WIRE (0x3U << FLASH_FLAG_ADDR_WIDTH_POS) - -/* Transmit address bits at both rising and falling clock edges. */ -#define FLASH_FLAG_ADDR_DTR_POS 8 -#define FLASH_FLAG_ADDR_DTR (0x1U << FLASH_FLAG_ADDR_DTR_POS) - -/* Number of bytes of address (0-4). */ -#define FLASH_FLAG_ADDR_LEN_POS 9 -#define FLASH_FLAG_ADDR_LEN_MSK (0x7U << FLASH_FLAG_ADDR_LEN_POS) - -/* Data width during the "alternate bytes" stage. */ -#define FLASH_FLAG_ALT_WIDTH_POS 12 -#define FLASH_FLAG_ALT_WIDTH_MSK (0x3U << FLASH_FLAG_ALT_WIDTH_POS) -#define FLASH_FLAG_ALT_WIDTH_1WIRE (0x0U << FLASH_FLAG_ALT_WIDTH_POS) -#define FLASH_FLAG_ALT_WIDTH_2WIRE (0x1U << FLASH_FLAG_ALT_WIDTH_POS) -#define FLASH_FLAG_ALT_WIDTH_4WIRE (0x2U << FLASH_FLAG_ALT_WIDTH_POS) -#define FLASH_FLAG_ALT_WIDTH_8WIRE (0x3U << FLASH_FLAG_ALT_WIDTH_POS) - -/* Transmit alternate bits at both rising and falling clock edges. */ -#define FLASH_FLAG_ALT_DTR_POS 14 -#define FLASH_FLAG_ALT_DTR (0x1U << FLASH_FLAG_ALT_DTR_POS) - -/* Number of bytes of alternate data (0-4). */ -#define FLASH_FLAG_ALT_LEN_POS 15 -#define FLASH_FLAG_ALT_LEN_MSK (0x7U << FLASH_FLAG_ALT_LEN_POS) - -/* Number of dummy clock cycles (0-31). */ -#define FLASH_FLAG_DUMMY_CYCLES_POS 18 -#define FLASH_FLAG_DUMMY_CYCLES_MSK (0x1FU << FLASH_FLAG_DUMMY_CYCLES_POS) - -/* Data width during the data stage. */ -#define FLASH_FLAG_DATA_WIDTH_POS 23 -#define FLASH_FLAG_DATA_WIDTH_MSK (0x3U << FLASH_FLAG_DATA_WIDTH_POS) -#define FLASH_FLAG_DATA_WIDTH_1WIRE (0x0U << FLASH_FLAG_DATA_WIDTH_POS) -#define FLASH_FLAG_DATA_WIDTH_2WIRE (0x1U << FLASH_FLAG_DATA_WIDTH_POS) -#define FLASH_FLAG_DATA_WIDTH_4WIRE (0x2U << FLASH_FLAG_DATA_WIDTH_POS) -#define FLASH_FLAG_DATA_WIDTH_8WIRE (0x3U << FLASH_FLAG_DATA_WIDTH_POS) - -/* Transmit data bits at both rising and falling clock edges. */ -#define FLASH_FLAG_DATA_DTR_POS 25 -#define FLASH_FLAG_DATA_DTR (0x1U << FLASH_FLAG_DATA_DTR_POS) - -/* - * Mask of the flags that cannot be ignored. This is basically any flags - * which call for wires to switch direction, or data being clocked on both - * rising and falling edges. As long as none of these are present, then the - * remaining flags specifying the length of opcode/address can be ignored, as - * the entire data buffer can be transmitted as a sequence of bytes, without - * the controller knowing which parts are to be interpreted as - * opcode/address/data. - */ -#define FLASH_FLAGS_REQUIRING_SUPPORT \ - (FLASH_FLAG_OPCODE_WIDTH_MSK | FLASH_FLAG_OPCODE_DTR | \ - FLASH_FLAG_ADDR_WIDTH_MSK | FLASH_FLAG_ADDR_DTR | \ - FLASH_FLAG_ALT_WIDTH_MSK | FLASH_FLAG_ALT_DTR | \ - FLASH_FLAG_DUMMY_CYCLES_MSK | FLASH_FLAG_DATA_WIDTH_MSK | \ - FLASH_FLAG_DATA_DTR) - #endif /* __CROS_EC_USB_SPI_H */ |