diff options
Diffstat (limited to 'arch/ppc/boot/simple/uartlite_tty.c')
-rw-r--r-- | arch/ppc/boot/simple/uartlite_tty.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/ppc/boot/simple/uartlite_tty.c b/arch/ppc/boot/simple/uartlite_tty.c deleted file mode 100644 index ca1743e..0000000 --- a/arch/ppc/boot/simple/uartlite_tty.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Xilinx UARTLITE bootloader driver - * - * Copyright (c) 2007 Secret Lab Technologies Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/types.h> -#include <asm/serial.h> -#include <asm/io.h> -#include <platforms/4xx/xparameters/xparameters.h> - -#define UARTLITE_BASEADDR ((void*)(XPAR_UARTLITE_0_BASEADDR)) - -unsigned long -serial_init(int chan, void *ignored) -{ - /* Clear the RX FIFO */ - out_be32(UARTLITE_BASEADDR + 0x0C, 0x2); - return 0; -} - -void -serial_putc(unsigned long com_port, unsigned char c) -{ - while ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x08) != 0); /* spin */ - out_be32(UARTLITE_BASEADDR + 0x4, c); -} - -unsigned char -serial_getc(unsigned long com_port) -{ - while ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x01) == 0); /* spin */ - return in_be32(UARTLITE_BASEADDR); -} - -int -serial_tstc(unsigned long com_port) -{ - return ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x01) != 0); -} |