From aa058f66664b53ab0314ed0591b65a1e66a988bf Mon Sep 17 00:00:00 2001 From: florian Date: Sun, 31 Jan 2010 21:00:50 +0000 Subject: [brcm63xx] move files to files-2.6.30, to ease newer kernel integration git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19471 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../files-2.6.30/arch/mips/bcm63xx/early_printk.c | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/early_printk.c (limited to 'target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/early_printk.c') diff --git a/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/early_printk.c b/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/early_printk.c new file mode 100644 index 000000000..bf353c937 --- /dev/null +++ b/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/early_printk.c @@ -0,0 +1,30 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon + */ + +#include +#include +#include + +static void __init wait_xfered(void) +{ + unsigned int val; + + /* wait for any previous char to be transmitted */ + do { + val = bcm_uart0_readl(UART_IR_REG); + if (val & UART_IR_STAT(UART_IR_TXEMPTY)) + break; + } while (1); +} + +void __init prom_putchar(char c) +{ + wait_xfered(); + bcm_uart0_writel(c, UART_FIFO_REG); + wait_xfered(); +} -- cgit v1.2.3