blob: b563be13b1a04d23e079d5eccb60645d9e1b0bf2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018 Jonathan Neuschäfer
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stddef.h>
#include <stdint.h>
#include <console/uart.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
uintptr_t uart_platform_base(int idx)
{
if (idx < 2)
return FU540_UART(idx);
else
return 0;
}
unsigned int uart_platform_refclk(void)
{
/*
* The SiFive UART uses tlclk, which is coreclk/2 as input
*/
if (ENV_BOOTBLOCK)
return 33330000 / 2;
else
return clock_get_coreclk_khz() * KHz / 2;
}
|