mirror of
https://github.com/torvalds/linux.git
synced 2024-12-20 18:11:47 +00:00
6339f6695f
Provides options to select one of the three "lowspeed" UARTs on MSM7k SoCs for DEBUG_LL output from the zImage decompressor and kernel. Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
44 lines
971 B
C
44 lines
971 B
C
/* arch/arm/mach-msm/include/mach/uncompress.h
|
|
*
|
|
* Copyright (C) 2007 Google, Inc.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __ASM_ARCH_MSM_UNCOMPRESS_H
|
|
|
|
#include "hardware.h"
|
|
#include "linux/io.h"
|
|
#include "mach/msm_iomap.h"
|
|
|
|
static void putc(int c)
|
|
{
|
|
#if defined(MSM_DEBUG_UART_PHYS)
|
|
unsigned base = MSM_DEBUG_UART_PHYS;
|
|
while (!(readl(base + 0x08) & 0x04)) ;
|
|
writel(c, base + 0x0c);
|
|
#endif
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
}
|
|
|
|
static inline void arch_decomp_setup(void)
|
|
{
|
|
}
|
|
|
|
static inline void arch_decomp_wdog(void)
|
|
{
|
|
}
|
|
|
|
#endif
|