07119621e6
Add support for the virtual MIPS system that is emulated by Qemu. See http://www.linux-mips.org/wiki/Qemu for a detailed current status. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
21 lines
457 B
C
21 lines
457 B
C
#include <linux/init.h>
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#include <asm/io.h>
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#include <asm/time.h>
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#define QEMU_PORT_BASE 0xb4000000
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static void __init qemu_timer_setup(struct irqaction *irq)
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{
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/* set the clock to 100 Hz */
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outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */
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outb_p(LATCH & 0xff , 0x40); /* LSB */
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outb(LATCH >> 8 , 0x40); /* MSB */
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setup_irq(0, irq);
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}
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void __init plat_setup(void)
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{
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set_io_port_base(QEMU_PORT_BASE);
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board_timer_setup = qemu_timer_setup;
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}
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