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| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2008-01-12 00:25:17 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-01-15 01:04:42 +0000 |
| commit | c43756da94863395d5ee088659676029b3ae7191 (patch) | |
| tree | f5778b886527af2333bfa451d58221a75e9d4de3 /arch/mips/cobalt | |
| parent | f6c0f32ee8d21e800097fc35ba8ab2b5a3b9bdfa (diff) | |
| download | linux-c43756da94863395d5ee088659676029b3ae7191.tar.gz linux-c43756da94863395d5ee088659676029b3ae7191.tar.bz2 linux-c43756da94863395d5ee088659676029b3ae7191.zip | |
[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>
Diffstat (limited to 'arch/mips/cobalt')
| -rw-r--r-- | 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 db330e811025..d1ba701c9dd1 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)) ; |