From 581a0f8866401ab057f1b827c7b02c93e8f43fad Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 24 Jul 2018 14:47:05 +0200 Subject: bsp/riscv: Use interrupt driven NS16550 driver Update #3433. --- bsps/include/bsp/fatal.h | 3 ++- bsps/riscv/riscv/console/console-config.c | 10 +++++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/bsps/include/bsp/fatal.h b/bsps/include/bsp/fatal.h index f9eca339ec..fae5461699 100644 --- a/bsps/include/bsp/fatal.h +++ b/bsps/include/bsp/fatal.h @@ -151,7 +151,8 @@ typedef enum { RISCV_FATAL_NO_PLIC_REG_IN_DEVICE_TREE, RISCV_FATAL_INVALID_PLIC_NDEV_IN_DEVICE_TREE, RISCV_FATAL_TOO_LARGE_PLIC_NDEV_IN_DEVICE_TREE, - RISCV_FATAL_INVALID_INTERRUPT_AFFINITY + RISCV_FATAL_INVALID_INTERRUPT_AFFINITY, + RISCV_FATAL_NO_NS16550_INTERRUPTS_IN_DEVICE_TREE } bsp_fatal_code; RTEMS_NO_RETURN static inline void diff --git a/bsps/riscv/riscv/console/console-config.c b/bsps/riscv/riscv/console/console-config.c index 270646ffe1..ceb6b785fb 100644 --- a/bsps/riscv/riscv/console/console-config.c +++ b/bsps/riscv/riscv/console/console-config.c @@ -133,6 +133,14 @@ static void riscv_console_probe(void) ctx->clock = fdt32_to_cpu(val[0]); + val = (fdt32_t *) fdt_getprop(fdt, node, "interrupts", &len); + + if (val == NULL || len != 4) { + bsp_fatal(RISCV_FATAL_NO_NS16550_INTERRUPTS_IN_DEVICE_TREE); + } + + ctx->irq = RISCV_INTERRUPT_VECTOR_EXTERNAL(fdt32_to_cpu(val[0])); + if (node == console_node) { riscv_console.context = &ctx->base; riscv_console.putchar = ns16550_polled_putchar; @@ -198,7 +206,7 @@ rtems_status_code console_initialize( rtems_termios_device_install( path, - &ns16550_handler_polled, + &ns16550_handler_interrupt, NULL, &ctx->base ); -- cgit v1.2.3