blob: cc46dcc72377ea8960cb6ce6932122df1b29a68f (
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
41
42
43
44
45
|
/*
* Copyright (C) 2010 Broadcom
* Copyright (C) 2003 ARM Limited
*
* 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.
*
* 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 <linux/io.h>
#include <linux/amba/serial.h>
#include <mach/bcm2835_soc.h>
#define UART0_BASE BCM2835_DEBUG_PHYS
#define BCM2835_UART_DR IOMEM(UART0_BASE + UART01x_DR)
#define BCM2835_UART_FR IOMEM(UART0_BASE + UART01x_FR)
#define BCM2835_UART_CR IOMEM(UART0_BASE + UART011_CR)
static inline void putc(int c)
{
while (__raw_readl(BCM2835_UART_FR) & UART01x_FR_TXFF)
barrier();
__raw_writel(c, BCM2835_UART_DR);
}
static inline void flush(void)
{
int fr;
do {
fr = __raw_readl(BCM2835_UART_FR);
barrier();
} while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE);
}
#define arch_decomp_setup()
#define arch_decomp_wdog()
|
