/* * Setup pointers to hardware-dependent routines. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle * Copyright (C) 2001 MIPS Technologies, Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern asmlinkage void jazz_handle_int(void); extern void jazz_machine_restart(char *command); extern void jazz_machine_halt(void); extern void jazz_machine_power_off(void); void __init plat_timer_setup(struct irqaction *irq) { /* set the clock to 100 Hz */ r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); setup_irq(JAZZ_TIMER_IRQ, irq); } static struct resource jazz_io_resources[] = { { .start = 0x00, .end = 0x1f, .name = "dma1", .flags = IORESOURCE_BUSY }, { .start = 0x40, .end = 0x5f, .name = "timer", .end = IORESOURCE_BUSY }, { .start = 0x80, .end = 0x8f, .name = "dma page reg", .flags = IORESOURCE_BUSY }, { .start = 0xc0, .end = 0xdf, .name = "dma2", .flags = IORESOURCE_BUSY } }; void __init plat_mem_setup(void) { int i; /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K); /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M); /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M); set_io_port_base(JAZZ_PORT_BASE); #ifdef CONFIG_EISA if (mips_machtype == MACH_MIPS_MAGNUM_4000) EISA_bus = 1; #endif isa_slot_offset = 0xe3000000; /* request I/O space for devices used on all i[345]86 PCs */ for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) request_resource(&ioport_resource, jazz_io_resources + i); /* The RTC is outside the port address space */ _machine_restart = jazz_machine_restart; _machine_halt = jazz_machine_halt; pm_power_off = jazz_machine_power_off; screen_info = (struct screen_info) { 0, 0, /* orig-x, orig-y */ 0, /* unused */ 0, /* orig_video_page */ 0, /* orig_video_mode */ 160, /* orig_video_cols */ 0, 0, 0, /* unused, ega_bx, unused */ 64, /* orig_video_lines */ 0, /* orig_video_isVGA */ 16 /* orig_video_points */ }; vdma_init(); }