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authorRalf Baechle <ralf@linux-mips.org>2006-06-22 20:09:04 +0100
committerRalf Baechle <ralf@linux-mips.org>2006-06-29 21:10:53 +0100
commita3d45391866d2c244363c3000fc6c1acb3dfcb0b (patch)
treed68b5762068ea274e4baf488ffc4bb972ed23de6 /arch
parent73f403527b9ec5367376076eafb3d2f505d8e2e3 (diff)
downloadlinux-a3d45391866d2c244363c3000fc6c1acb3dfcb0b.tar.bz2
[MIPS] Early printk for IP27.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/sgi-ip27/Makefile11
-rw-r--r--arch/mips/sgi-ip27/ip27-console.c40
3 files changed, 25 insertions, 27 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index aedeee9009fc..8e10f027e561 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -606,6 +606,7 @@ config SGI_IP27
select ARC64
select BOOT_ELF64
select DMA_IP27
+ select EARLY_PRINTK
select HW_HAS_PCI
select PCI_DOMAINS
select SYS_HAS_CPU_R10000
diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile
index 686ba14e2882..a457263f4391 100644
--- a/arch/mips/sgi-ip27/Makefile
+++ b/arch/mips/sgi-ip27/Makefile
@@ -2,11 +2,12 @@
# Makefile for the IP27 specific kernel interface routines under Linux.
#
-obj-y := ip27-berr.o ip27-console.o ip27-irq.o ip27-init.o \
- ip27-klconfig.o ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-reset.o \
- ip27-timer.o ip27-hubio.o ip27-xtalk.o
+obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \
+ ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o ip27-hubio.o \
+ ip27-xtalk.o
-obj-$(CONFIG_KGDB) += ip27-dbgio.o
-obj-$(CONFIG_SMP) += ip27-smp.o
+obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o
+obj-$(CONFIG_KGDB) += ip27-dbgio.o
+obj-$(CONFIG_SMP) += ip27-smp.o
EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c
index 3e1ac299b804..14211e382374 100644
--- a/arch/mips/sgi-ip27/ip27-console.c
+++ b/arch/mips/sgi-ip27/ip27-console.c
@@ -46,33 +46,29 @@ void prom_putchar(char c)
uart->iu_thr = c;
}
-char __init prom_getchar(void)
+static void ioc3_console_write(struct console *con, const char *s, unsigned n)
{
- return 0;
+ while (n-- && *s) {
+ if (*s == '\n')
+ prom_putchar('\r');
+ prom_putchar(*s);
+ s++;
+ }
}
-static void inline ioc3_console_probe(void)
-{
- struct uart_port up;
-
- /*
- * Register to interrupt zero because we share the interrupt with
- * the serial driver which we don't properly support yet.
- */
- memset(&up, 0, sizeof(up));
- up.membase = (unsigned char *) console_uart();
- up.irq = 0;
- up.uartclk = IOC3_CLK;
- up.regshift = 0;
- up.iotype = UPIO_MEM;
- up.flags = IOC3_FLAGS;
- up.line = 0;
+static struct console ioc3_console = {
+ .name = "ioc3",
+ .write = ioc3_console_write,
+ .flags = CON_PRINTBUFFER | CON_BOOT,
+ .index = -1
+};
- if (early_serial_setup(&up))
- printk(KERN_ERR "Early serial init of port 0 failed\n");
+__init void ip27_setup_console(void)
+{
+ register_console(&ioc3_console);
}
-__init void ip27_setup_console(void)
+void __init disable_early_printk(void)
{
- ioc3_console_probe();
+ unregister_console(&ioc3_console);
}