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// SPDX-License-Identifier: GPL-2.0+
#include <debug_uart.h>
#include <asm/sbi.h>
#ifdef CONFIG_SBI_V01
static inline void _debug_uart_init(void)
{
}
static inline void _debug_uart_putc(int c)
{
if (CONFIG_IS_ENABLED(RISCV_SMODE))
sbi_console_putchar(c);
}
#else
static int sbi_dbcn_available;
static inline void _debug_uart_init(void)
{
if (CONFIG_IS_ENABLED(RISCV_SMODE))
sbi_dbcn_available = sbi_probe_extension(SBI_EXT_DBCN);
}
static inline void _debug_uart_putc(int ch)
{
if (CONFIG_IS_ENABLED(RISCV_SMODE) && sbi_dbcn_available)
sbi_dbcn_write_byte(ch);
}
#endif
DEBUG_UART_FUNCS
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