diff options
Diffstat (limited to 'drivers/cadence/uart/aarch64/cdns_console.S')
| -rw-r--r-- | drivers/cadence/uart/aarch64/cdns_console.S | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/cadence/uart/aarch64/cdns_console.S b/drivers/cadence/uart/aarch64/cdns_console.S index 2c7960d8..e16646e8 100644 --- a/drivers/cadence/uart/aarch64/cdns_console.S +++ b/drivers/cadence/uart/aarch64/cdns_console.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -31,9 +31,10 @@ #include <asm_macros.S> #include <cadence/cdns_uart.h> - .globl console_core_init - .globl console_core_putc - .globl console_core_getc + .globl console_core_init + .globl console_core_putc + .globl console_core_getc + .globl console_core_flush /* ----------------------------------------------- * int console_core_init(unsigned long base_addr, @@ -125,3 +126,18 @@ getc_error: mov w0, #-1 ret endfunc console_core_getc + + /* --------------------------------------------- + * int console_core_flush(uintptr_t base_addr) + * Function to force a write of all buffered + * data that hasn't been output. + * In : x0 - console base address + * Out : return -1 on error else return 0. + * Clobber list : x0, x1 + * --------------------------------------------- + */ +func console_core_flush + /* Placeholder */ + mov w0, #0 + ret +endfunc console_core_flush |