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dev/serial: Add Zynq UART kernel I/O support

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Replace the BSP_CONSOLE_MINOR BSP option for the Xilinx Zynq BSPs with the new
BSP option ZYNQ_UART_KERNEL_IO_BASE_ADDR.  Move the kernel I/O support to a
shared file.
This commit is contained in:
Sebastian Huber
2024-03-19 09:55:35 +01:00
parent 8ad3f92b9a
commit 53d092471f
16 changed files with 92 additions and 223 deletions
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40
bsps/arm/xilinx-zynqmp/console/console-config.c
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@@ -32,7 +32,6 @@
#include <rtems/console.h>
#include <rtems/bspIo.h>
#include <rtems/sysinit.h>
#include <rtems/termiostypes.h>
#include <bsp/irq.h>
@@ -64,6 +63,7 @@ rtems_status_code console_initialize(
rtems_termios_initialize();
for (i = 0; i < RTEMS_ARRAY_SIZE(zynqmp_uart_instances); ++i) {
zynq_uart_context *ctx = &zynqmp_uart_instances[i];
char uart[] = "/dev/ttySX";
uart[sizeof(uart) - 2] = (char) ('0' + i);
@@ -71,10 +71,10 @@ rtems_status_code console_initialize(
&uart[0],
&zynq_uart_handler,
NULL,
&zynqmp_uart_instances[i].base
&ctx->base
);
if (i == BSP_CONSOLE_MINOR) {
if (ctx->regs == (zynq_uart *) ZYNQ_UART_KERNEL_IO_BASE_ADDR) {
link(&uart[0], CONSOLE_DEVICE_NAME);
}
}
@@ -84,37 +84,5 @@ rtems_status_code console_initialize(
void zynqmp_debug_console_flush(void)
{
zynq_uart_reset_tx_flush(zynqmp_uart_instances[BSP_CONSOLE_MINOR].regs);
zynq_uart_reset_tx_flush((zynq_uart *) ZYNQ_UART_KERNEL_IO_BASE_ADDR);
}
static void zynqmp_debug_console_out(char c)
{
zynq_uart_write_char_polled(zynqmp_uart_instances[BSP_CONSOLE_MINOR].regs, c);
}
static void zynqmp_debug_console_init(void)
{
zynq_uart_initialize(zynqmp_uart_instances[BSP_CONSOLE_MINOR].regs);
BSP_output_char = zynqmp_debug_console_out;
}
static void zynqmp_debug_console_early_init(char c)
{
zynq_uart_initialize(zynqmp_uart_instances[BSP_CONSOLE_MINOR].regs);
zynqmp_debug_console_out(c);
}
static int zynqmp_debug_console_in(void)
{
return zynq_uart_read_char_polled(zynqmp_uart_instances[BSP_CONSOLE_MINOR].regs);
}
BSP_output_char_function_type BSP_output_char = zynqmp_debug_console_early_init;
BSP_polling_getchar_function_type BSP_poll_char = zynqmp_debug_console_in;
RTEMS_SYSINIT_ITEM(
zynqmp_debug_console_init,
RTEMS_SYSINIT_BSP_START,
RTEMS_SYSINIT_ORDER_LAST_BUT_5
);