Jamie Iles | af75655 | 2011-07-25 17:36:42 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011 Picochip Ltd., Jamie Iles |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * All enquiries to support@picochip.com |
| 9 | */ |
| 10 | #include <linux/irq.h> |
| 11 | #include <linux/irqdomain.h> |
| 12 | #include <linux/of.h> |
| 13 | #include <linux/of_address.h> |
| 14 | #include <linux/of_platform.h> |
| 15 | |
| 16 | #include <asm/mach/arch.h> |
| 17 | #include <asm/hardware/vic.h> |
| 18 | |
| 19 | #include <mach/map.h> |
| 20 | #include <mach/picoxcell_soc.h> |
| 21 | |
| 22 | #include "common.h" |
| 23 | |
| 24 | static void __init picoxcell_init_machine(void) |
| 25 | { |
| 26 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| 27 | } |
| 28 | |
| 29 | static const char *picoxcell_dt_match[] = { |
| 30 | "picochip,pc3x2", |
| 31 | "picochip,pc3x3", |
| 32 | NULL |
| 33 | }; |
| 34 | |
| 35 | static const struct of_device_id vic_of_match[] __initconst = { |
| 36 | { .compatible = "arm,pl192-vic" }, |
| 37 | { /* Sentinel */ } |
| 38 | }; |
| 39 | |
| 40 | static void __init picoxcell_init_irq(void) |
| 41 | { |
| 42 | vic_init(IO_ADDRESS(PICOXCELL_VIC0_BASE), 0, ~0, 0); |
| 43 | vic_init(IO_ADDRESS(PICOXCELL_VIC1_BASE), 32, ~0, 0); |
| 44 | irq_domain_generate_simple(vic_of_match, PICOXCELL_VIC0_BASE, 0); |
| 45 | irq_domain_generate_simple(vic_of_match, PICOXCELL_VIC1_BASE, 32); |
| 46 | } |
| 47 | |
| 48 | DT_MACHINE_START(PICOXCELL, "Picochip picoXcell") |
| 49 | .map_io = picoxcell_map_io, |
| 50 | .nr_irqs = ARCH_NR_IRQS, |
| 51 | .init_irq = picoxcell_init_irq, |
| 52 | .timer = &picoxcell_timer, |
| 53 | .init_machine = picoxcell_init_machine, |
| 54 | .dt_compat = picoxcell_dt_match, |
| 55 | MACHINE_END |