threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
30 lines
615 B
C
30 lines
615 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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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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