[MIPS] Cobalt: Qube1 has no serial port so don't use it
Thomas Bogendoerfer [Fri, 11 Jan 2008 23:25:17 +0000 (00:25 +0100)]
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>

arch/mips/cobalt/console.c

index db330e8..d1ba701 100644 (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))
                ;