diff options
Diffstat (limited to 'drivers/serial/serial_xen.c')
| -rw-r--r-- | drivers/serial/serial_xen.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/serial/serial_xen.c b/drivers/serial/serial_xen.c index ba6504b9479..34c90ece40f 100644 --- a/drivers/serial/serial_xen.c +++ b/drivers/serial/serial_xen.c @@ -5,6 +5,7 @@ */ #include <common.h> #include <cpu_func.h> +#include <debug_uart.h> #include <dm.h> #include <serial.h> #include <watchdog.h> @@ -15,11 +16,14 @@ #include <xen/events.h> #include <xen/interface/sched.h> +#include <xen/interface/xen.h> #include <xen/interface/hvm/hvm_op.h> #include <xen/interface/hvm/params.h> #include <xen/interface/io/console.h> #include <xen/interface/io/ring.h> +#include <asm/xen/hypercall.h> + DECLARE_GLOBAL_DATA_PTR; u32 console_evtchn; @@ -175,8 +179,22 @@ U_BOOT_DRIVER(serial_xen) = { .priv_auto_alloc_size = sizeof(struct xen_uart_priv), .probe = xen_serial_probe, .ops = &xen_serial_ops, -#if !CONFIG_IS_ENABLED(OF_CONTROL) .flags = DM_FLAG_PRE_RELOC, -#endif }; +#if defined(CONFIG_DEBUG_UART_XEN) +static inline void _debug_uart_init(void) {} + +static inline void _debug_uart_putc(int c) +{ +#if CONFIG_IS_ENABLED(ARM) + xen_debug_putc(c); +#else + /* the type cast should work on LE only */ + HYPERVISOR_console_io(CONSOLEIO_write, 1, (char *)&ch); +#endif +} + +DEBUG_UART_FUNCS + +#endif |