5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
31 lines
638 B
C
31 lines
638 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
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*/
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#include <bcm63xx_io.h>
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#include <linux/serial_bcm63xx.h>
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#include <asm/setup.h>
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static void wait_xfered(void)
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{
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unsigned int val;
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/* wait for any previous char to be transmitted */
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do {
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val = bcm_uart0_readl(UART_IR_REG);
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if (val & UART_IR_STAT(UART_IR_TXEMPTY))
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break;
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} while (1);
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}
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void prom_putchar(char c)
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{
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wait_xfered();
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bcm_uart0_writel(c, UART_FIFO_REG);
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wait_xfered();
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}
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