diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-09-03 15:56:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 00:06:04 -0700 |
| commit | 07119621e62de0a2c8db6e4896e762c498bfdd17 (patch) | |
| tree | c62dd52e8072235c8148e7f31b16ed30c5e45343 /arch/mips/qemu/q-setup.c | |
| parent | 7901c7998267d9d8c3f1b226a8c8cfd7f8e48a01 (diff) | |
[PATCH] mips: add support for Qemu system architecture
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>
Diffstat (limited to 'arch/mips/qemu/q-setup.c')
| -rw-r--r-- | arch/mips/qemu/q-setup.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/qemu/q-setup.c b/arch/mips/qemu/q-setup.c new file mode 100644 index 00000000000..1a80eee8cd3 --- /dev/null +++ b/arch/mips/qemu/q-setup.c @@ -0,0 +1,20 @@ +#include <linux/init.h> +#include <asm/io.h> +#include <asm/time.h> + +#define QEMU_PORT_BASE 0xb4000000 + +static void __init qemu_timer_setup(struct irqaction *irq) +{ + /* set the clock to 100 Hz */ + outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */ + outb_p(LATCH & 0xff , 0x40); /* LSB */ + outb(LATCH >> 8 , 0x40); /* MSB */ + setup_irq(0, irq); +} + +void __init plat_setup(void) +{ + set_io_port_base(QEMU_PORT_BASE); + board_timer_setup = qemu_timer_setup; +} |