xref: /optee_os/core/include/drivers/pl011.h (revision db886a7f9ab74a374b266638b480fbd872bb97be)
1*db886a7fSJerome Forissier /*
2*db886a7fSJerome Forissier  * Copyright (c) 2014, Linaro Limited
3*db886a7fSJerome Forissier  * All rights reserved.
4*db886a7fSJerome Forissier  *
5*db886a7fSJerome Forissier  * Redistribution and use in source and binary forms, with or without
6*db886a7fSJerome Forissier  * modification, are permitted provided that the following conditions are met:
7*db886a7fSJerome Forissier  *
8*db886a7fSJerome Forissier  * 1. Redistributions of source code must retain the above copyright notice,
9*db886a7fSJerome Forissier  * this list of conditions and the following disclaimer.
10*db886a7fSJerome Forissier  *
11*db886a7fSJerome Forissier  * 2. Redistributions in binary form must reproduce the above copyright notice,
12*db886a7fSJerome Forissier  * this list of conditions and the following disclaimer in the documentation
13*db886a7fSJerome Forissier  * and/or other materials provided with the distribution.
14*db886a7fSJerome Forissier  *
15*db886a7fSJerome Forissier  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16*db886a7fSJerome Forissier  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*db886a7fSJerome Forissier  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*db886a7fSJerome Forissier  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19*db886a7fSJerome Forissier  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20*db886a7fSJerome Forissier  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21*db886a7fSJerome Forissier  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22*db886a7fSJerome Forissier  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23*db886a7fSJerome Forissier  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24*db886a7fSJerome Forissier  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25*db886a7fSJerome Forissier  * POSSIBILITY OF SUCH DAMAGE.
26*db886a7fSJerome Forissier  */
27*db886a7fSJerome Forissier #ifndef PL011_H
28*db886a7fSJerome Forissier #define PL011_H
29*db886a7fSJerome Forissier 
30*db886a7fSJerome Forissier #include <types_ext.h>
31*db886a7fSJerome Forissier 
32*db886a7fSJerome Forissier void pl011_init(vaddr_t base, uint32_t uart_clk, uint32_t baud_rate);
33*db886a7fSJerome Forissier 
34*db886a7fSJerome Forissier void pl011_putc(int ch, vaddr_t base);
35*db886a7fSJerome Forissier 
36*db886a7fSJerome Forissier void pl011_flush(vaddr_t base);
37*db886a7fSJerome Forissier 
38*db886a7fSJerome Forissier bool pl011_have_rx_data(vaddr_t base);
39*db886a7fSJerome Forissier 
40*db886a7fSJerome Forissier int pl011_getchar(vaddr_t base);
41*db886a7fSJerome Forissier 
42*db886a7fSJerome Forissier #endif /* PL011_H */
43*db886a7fSJerome Forissier 
44