blob: 6fb3c4b0105d9d5242e2dcc0eb4c00f48d94b6dc (
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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* Copyright (C) 2009 ST-Ericsson
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <linux/io.h>
#include <linux/amba/serial.h>
#include <mach/hardware.h>
u32 ux500_uart_base;
static void putc(const char c)
{
/* Do nothing if the UART is not enabled. */
if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
return;
if (c == '\n')
putc('\r');
while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 5))
barrier();
__raw_writeb(c, ux500_uart_base + UART01x_DR);
}
static void flush(void)
{
if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
return;
while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 3))
barrier();
}
static inline void arch_decomp_setup(void)
{
/* Check in run time if we run on an U8500 or U5500 */
if (machine_is_u5500())
ux500_uart_base = U5500_UART0_BASE;
else
ux500_uart_base = U8500_UART2_BASE;
}
#define arch_decomp_wdog() /* nothing to do here */
#endif /* __ASM_ARCH_UNCOMPRESS_H */
|
