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[MIPS] Early printk for IP27.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
parent
73f403527b
commit
a3d4539186
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@ -606,6 +606,7 @@ config SGI_IP27
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select ARC64
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select ARC64
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select BOOT_ELF64
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select BOOT_ELF64
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select DMA_IP27
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select DMA_IP27
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select EARLY_PRINTK
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select HW_HAS_PCI
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select HW_HAS_PCI
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select PCI_DOMAINS
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select PCI_DOMAINS
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select SYS_HAS_CPU_R10000
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select SYS_HAS_CPU_R10000
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@ -2,11 +2,12 @@
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# Makefile for the IP27 specific kernel interface routines under Linux.
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# Makefile for the IP27 specific kernel interface routines under Linux.
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#
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#
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obj-y := ip27-berr.o ip27-console.o ip27-irq.o ip27-init.o \
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obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \
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ip27-klconfig.o ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-reset.o \
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ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o ip27-hubio.o \
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ip27-timer.o ip27-hubio.o ip27-xtalk.o
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ip27-xtalk.o
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obj-$(CONFIG_KGDB) += ip27-dbgio.o
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obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o
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obj-$(CONFIG_SMP) += ip27-smp.o
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obj-$(CONFIG_KGDB) += ip27-dbgio.o
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obj-$(CONFIG_SMP) += ip27-smp.o
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EXTRA_AFLAGS := $(CFLAGS)
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EXTRA_AFLAGS := $(CFLAGS)
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@ -46,33 +46,29 @@ void prom_putchar(char c)
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uart->iu_thr = c;
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uart->iu_thr = c;
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}
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}
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char __init prom_getchar(void)
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static void ioc3_console_write(struct console *con, const char *s, unsigned n)
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{
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{
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return 0;
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while (n-- && *s) {
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if (*s == '\n')
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prom_putchar('\r');
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prom_putchar(*s);
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s++;
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}
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}
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}
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static void inline ioc3_console_probe(void)
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static struct console ioc3_console = {
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{
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.name = "ioc3",
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struct uart_port up;
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.write = ioc3_console_write,
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.flags = CON_PRINTBUFFER | CON_BOOT,
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/*
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.index = -1
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* Register to interrupt zero because we share the interrupt with
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};
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* the serial driver which we don't properly support yet.
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*/
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memset(&up, 0, sizeof(up));
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up.membase = (unsigned char *) console_uart();
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up.irq = 0;
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up.uartclk = IOC3_CLK;
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up.regshift = 0;
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up.iotype = UPIO_MEM;
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up.flags = IOC3_FLAGS;
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up.line = 0;
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if (early_serial_setup(&up))
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printk(KERN_ERR "Early serial init of port 0 failed\n");
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}
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__init void ip27_setup_console(void)
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__init void ip27_setup_console(void)
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{
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{
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ioc3_console_probe();
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register_console(&ioc3_console);
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}
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void __init disable_early_printk(void)
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{
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unregister_console(&ioc3_console);
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}
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}
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