mirror of https://gitee.com/openkylin/linux.git
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* Copyright (C) 2007 Google, Inc.
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* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
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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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#define __ASM_ARCH_MSM_UNCOMPRESS_H
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#include <asm/barrier.h>
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#include <asm/processor.h>
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#include <mach/msm_iomap.h>
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#define UART_CSR (*(volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x08))
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#define UART_TF (*(volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x0c))
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#define UART_DM_SR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x08)))
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#define UART_DM_CR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x10)))
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#define UART_DM_ISR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x14)))
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#define UART_DM_NCHAR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x40)))
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#define UART_DM_TF (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x70)))
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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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#ifdef CONFIG_MSM_HAS_DEBUG_UART_HS
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/*
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* Wait for TX_READY to be set; but skip it if we have a
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* TX underrun.
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*/
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if (UART_DM_SR & 0x08)
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while (!(UART_DM_ISR & 0x80))
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cpu_relax();
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UART_DM_CR = 0x300;
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UART_DM_NCHAR = 0x1;
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UART_DM_TF = c;
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#else
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while (!(UART_CSR & 0x04))
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cpu_relax();
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UART_TF = c;
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#endif
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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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#endif
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