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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 02:36:45 +07:00
28 lines
530 B
C
28 lines
530 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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extern void qemu_reboot_setup(void);
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#define QEMU_PORT_BASE 0xb4000000
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const char *get_system_type(void)
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{
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return "Qemu";
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}
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void __init plat_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_mem_setup(void)
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{
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set_io_port_base(QEMU_PORT_BASE);
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qemu_reboot_setup();
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}
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