54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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/*
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* Serial port stubs for kernel decompress status messages
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*
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* Author: Anant Gole
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* (C) Copyright (C) 2006, Texas Instruments, Inc
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#include <linux/types.h>
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#include <linux/serial_reg.h>
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#include <mach/serial.h>
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#include <asm/mach-types.h>
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extern unsigned int __machine_arch_type;
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static u32 *uart;
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static u32 *get_uart_base(void)
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{
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if (__machine_arch_type == MACH_TYPE_DAVINCI_DA830_EVM ||
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__machine_arch_type == MACH_TYPE_DAVINCI_DA850_EVM)
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return (u32 *)DA8XX_UART2_BASE;
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else
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return (u32 *)DAVINCI_UART0_BASE;
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}
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/* PORT_16C550A, in polled non-fifo mode */
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static void putc(char c)
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{
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if (!uart)
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uart = get_uart_base();
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while (!(uart[UART_LSR] & UART_LSR_THRE))
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barrier();
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uart[UART_TX] = c;
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}
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static inline void flush(void)
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{
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if (!uart)
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uart = get_uart_base();
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while (!(uart[UART_LSR] & UART_LSR_THRE))
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barrier();
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}
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#define arch_decomp_setup()
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#define arch_decomp_wdog()
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