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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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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
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*
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* Copyright (C) 2007 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __ASM_ARCH_MSM_UNCOMPRESS_H
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#include "hardware.h"
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#include "linux/io.h"
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#include "mach/msm_iomap.h"
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static void putc(int c)
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{
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#if defined(MSM_DEBUG_UART_PHYS)
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unsigned base = MSM_DEBUG_UART_PHYS;
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while (!(readl(base + 0x08) & 0x04)) ;
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writel(c, base + 0x0c);
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#endif
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}
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static inline void flush(void)
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{
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}
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static inline void arch_decomp_setup(void)
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{
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}
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static inline void arch_decomp_wdog(void)
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{
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}
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#endif
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