Commit c43756da authored Jan 12, 2008 by Thomas Bogendoerfer Committed by Ralf Baechle Jan 15, 2008

[MIPS] Cobalt: Qube1 has no serial port so don't use it



Because Qube1 doesn't have a serial chip waiting for transmit fifo empty
takes forever, which isn't a good idea. No prom_putchar/early console
for Qube1 fixes this.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent f6c0f32e

arch/mips/cobalt/console.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -4,10 +4,15 @@
		#include <linux/io.h>
		#include <linux/serial_reg.h>

		#include <cobalt.h>

		#define UART_BASE ((void __iomem *)CKSEG1ADDR(0x1c800000))

		void prom_putchar(char c)
		{
		if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)
		return;

		while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))
		;