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Rev 3672 Rev 3908
Line 95... Line 95...
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 * Initializes the SGCN driver.
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 * Initializes the SGCN driver.
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 * Maps the physical memory (SRAM) and registers the interrupt.
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 * Maps the physical memory (SRAM) and registers the interrupt.
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 */
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 */
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void sgcn_init(void)
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void sgcn_init(void)
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{
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{
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    sram_virt_addr = (uintptr_t) as_get_mappable_page(
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    sram_virt_addr = (uintptr_t) as_get_mappable_page(sysinfo_value("sram.area.size"));
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        sysinfo_value("sram.area.size"));
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    int result = physmem_map(
 - 
 
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        (void *) sysinfo_value("sram.address.physical"),
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    if (physmem_map((void *) sysinfo_value("sram.address.physical"),
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        (void *) sram_virt_addr,
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        sysinfo_value("sram.area.size") / PAGE_SIZE,
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        (void *) sram_virt_addr, sysinfo_value("sram.area.size") / PAGE_SIZE,
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        AS_AREA_READ | AS_AREA_WRITE
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        AS_AREA_READ | AS_AREA_WRITE) != 0)
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        );
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    if (result != 0) {
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        printf("SGCN: uspace driver could not map physical memory.");
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        printf("SGCN: uspace driver could not map physical memory.");
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    }
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    sram_buffer_offset = sysinfo_value("sram.buffer.offset");
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    sram_buffer_offset = sysinfo_value("sram.buffer.offset");
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    ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
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    ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
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        0, (void *) 0);
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        0, (void *) 0);
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}
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}