| To: | linux-mips@linux-mips.org |
|---|---|
| Subject: | [PATCH] Cobalt Qube1 has no serial port so don't use it |
| From: | Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
| Date: | Sat, 12 Jan 2008 00:25:17 +0100 (CET) |
| Cc: | ralf@linux-mips.org |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
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>
---
arch/mips/cobalt/console.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c
index db330e8..d1ba701 100644
--- a/arch/mips/cobalt/console.c
+++ b/arch/mips/cobalt/console.c
@@ -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))
;
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