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

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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>
This commit is contained in:
Thomas Bogendoerfer 2008-01-12 00:25:17 +01:00 committed by Ralf Baechle
parent f6c0f32ee8
commit c43756da94
1 changed files with 5 additions and 0 deletions
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5
arch/mips/cobalt/console.c
View file

@ -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))
;