diff options
| -rw-r--r-- | bsps/include/libchip/ns16550.h | 9 | ||||
| -rw-r--r-- | bsps/shared/dev/serial/ns16550-context.c | 2 |
2 files changed, 9 insertions, 2 deletions
diff --git a/bsps/include/libchip/ns16550.h b/bsps/include/libchip/ns16550.h index f053c8767f..b45331a403 100644 --- a/bsps/include/libchip/ns16550.h +++ b/bsps/include/libchip/ns16550.h @@ -60,7 +60,11 @@ typedef uint8_t (*ns16550_get_reg)(uintptr_t port, uint8_t reg); typedef void (*ns16550_set_reg)(uintptr_t port, uint8_t reg, uint8_t value); -typedef struct { +typedef struct ns16550_context ns16550_context; + +typedef uint32_t (*ns16550_calculate_baud_divisor)(ns16550_context *ctx, uint32_t baud); + +struct ns16550_context{ rtems_termios_device_context base; ns16550_get_reg get_reg; ns16550_set_reg set_reg; @@ -78,7 +82,8 @@ typedef struct { size_t out_current; const char *out_buf; rtems_termios_tty *tty; -} ns16550_context; + ns16550_calculate_baud_divisor calculate_baud_divisor; +}; extern const rtems_termios_device_handler ns16550_handler_interrupt; extern const rtems_termios_device_handler ns16550_handler_polled; diff --git a/bsps/shared/dev/serial/ns16550-context.c b/bsps/shared/dev/serial/ns16550-context.c index ce55b8309c..dbf6c64af4 100644 --- a/bsps/shared/dev/serial/ns16550-context.c +++ b/bsps/shared/dev/serial/ns16550-context.c @@ -112,6 +112,8 @@ static uint32_t NS16550_GetBaudDivisor(ns16550_context *ctx, uint32_t baud) NS16550_FRACTIONAL_DIVIDER, fractionalDivider ); + } else if (ctx->calculate_baud_divisor != NULL) { + baudDivisor = ctx->calculate_baud_divisor(ctx, baud); } return baudDivisor; |