diff options
Diffstat (limited to 'include/hw/char/ibex_uart.h')
| -rw-r--r-- | include/hw/char/ibex_uart.h | 79 |
1 files changed, 38 insertions, 41 deletions
diff --git a/include/hw/char/ibex_uart.h b/include/hw/char/ibex_uart.h index 2bec772615..b6bd5a6700 100644 --- a/include/hw/char/ibex_uart.h +++ b/include/hw/char/ibex_uart.h @@ -26,52 +26,47 @@ #define HW_IBEX_UART_H #include "hw/sysbus.h" +#include "hw/registerfields.h" #include "chardev/char-fe.h" #include "qemu/timer.h" -#define IBEX_UART_INTR_STATE 0x00 - #define INTR_STATE_TX_WATERMARK (1 << 0) - #define INTR_STATE_RX_WATERMARK (1 << 1) - #define INTR_STATE_TX_EMPTY (1 << 2) - #define INTR_STATE_RX_OVERFLOW (1 << 3) -#define IBEX_UART_INTR_ENABLE 0x04 -#define IBEX_UART_INTR_TEST 0x08 - -#define IBEX_UART_CTRL 0x0c - #define UART_CTRL_TX_ENABLE (1 << 0) - #define UART_CTRL_RX_ENABLE (1 << 1) - #define UART_CTRL_NF (1 << 2) - #define UART_CTRL_SLPBK (1 << 4) - #define UART_CTRL_LLPBK (1 << 5) - #define UART_CTRL_PARITY_EN (1 << 6) - #define UART_CTRL_PARITY_ODD (1 << 7) - #define UART_CTRL_RXBLVL (3 << 8) - #define UART_CTRL_NCO (0xFFFF << 16) - -#define IBEX_UART_STATUS 0x10 - #define UART_STATUS_TXFULL (1 << 0) - #define UART_STATUS_RXFULL (1 << 1) - #define UART_STATUS_TXEMPTY (1 << 2) - #define UART_STATUS_RXIDLE (1 << 4) - #define UART_STATUS_RXEMPTY (1 << 5) - -#define IBEX_UART_RDATA 0x14 -#define IBEX_UART_WDATA 0x18 - -#define IBEX_UART_FIFO_CTRL 0x1c - #define FIFO_CTRL_RXRST (1 << 0) - #define FIFO_CTRL_TXRST (1 << 1) - #define FIFO_CTRL_RXILVL (7 << 2) - #define FIFO_CTRL_RXILVL_SHIFT (2) - #define FIFO_CTRL_TXILVL (3 << 5) - #define FIFO_CTRL_TXILVL_SHIFT (5) - -#define IBEX_UART_FIFO_STATUS 0x20 -#define IBEX_UART_OVRD 0x24 -#define IBEX_UART_VAL 0x28 -#define IBEX_UART_TIMEOUT_CTRL 0x2c +REG32(INTR_STATE, 0x00) + FIELD(INTR_STATE, TX_WATERMARK, 0, 1) + FIELD(INTR_STATE, RX_WATERMARK, 1, 1) + FIELD(INTR_STATE, TX_EMPTY, 2, 1) + FIELD(INTR_STATE, RX_OVERFLOW, 3, 1) +REG32(INTR_ENABLE, 0x04) +REG32(INTR_TEST, 0x08) +REG32(CTRL, 0x0C) + FIELD(CTRL, TX_ENABLE, 0, 1) + FIELD(CTRL, RX_ENABLE, 1, 1) + FIELD(CTRL, NF, 2, 1) + FIELD(CTRL, SLPBK, 4, 1) + FIELD(CTRL, LLPBK, 5, 1) + FIELD(CTRL, PARITY_EN, 6, 1) + FIELD(CTRL, PARITY_ODD, 7, 1) + FIELD(CTRL, RXBLVL, 8, 2) + FIELD(CTRL, NCO, 16, 16) +REG32(STATUS, 0x10) + FIELD(STATUS, TXFULL, 0, 1) + FIELD(STATUS, RXFULL, 1, 1) + FIELD(STATUS, TXEMPTY, 2, 1) + FIELD(STATUS, RXIDLE, 4, 1) + FIELD(STATUS, RXEMPTY, 5, 1) +REG32(RDATA, 0x14) +REG32(WDATA, 0x18) +REG32(FIFO_CTRL, 0x1c) + FIELD(FIFO_CTRL, RXRST, 0, 1) + FIELD(FIFO_CTRL, TXRST, 1, 1) + FIELD(FIFO_CTRL, RXILVL, 2, 3) + FIELD(FIFO_CTRL, TXILVL, 5, 2) +REG32(FIFO_STATUS, 0x20) +REG32(OVRD, 0x24) +REG32(VAL, 0x28) +REG32(TIMEOUT_CTRL, 0x2c) #define IBEX_UART_TX_FIFO_SIZE 16 +#define IBEX_UART_CLOCK 50000000 /* 50MHz clock */ #define TYPE_IBEX_UART "ibex-uart" #define IBEX_UART(obj) \ @@ -101,6 +96,8 @@ typedef struct { uint32_t uart_val; uint32_t uart_timeout_ctrl; + Clock *f_clk; + CharBackend chr; qemu_irq tx_watermark; qemu_irq rx_watermark; |