blob: 8deb012189b5a7e185f7299a8ad8c8503edad587 [file] [log] [blame]
Shawn Guo13eed982011-09-06 15:05:25 +08001/*
2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Copyright 2011 Linaro Ltd.
4 *
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12
13#include <linux/init.h>
14#include <linux/irq.h>
15#include <linux/irqdomain.h>
16#include <linux/of.h>
17#include <linux/of_irq.h>
18#include <linux/of_platform.h>
19#include <asm/hardware/cache-l2x0.h>
20#include <asm/hardware/gic.h>
21#include <asm/mach/arch.h>
22#include <asm/mach/time.h>
23#include <mach/common.h>
24#include <mach/hardware.h>
25
26static void __init imx6q_init_machine(void)
27{
28 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
29
30 imx6q_pm_init();
31}
32
33static void __init imx6q_map_io(void)
34{
35 imx_lluart_map_io();
36 imx_scu_map_io();
Richard Zhaof4750582011-11-17 18:54:29 +080037 imx6q_clock_map_io();
Shawn Guo13eed982011-09-06 15:05:25 +080038}
39
Shawn Guo2a3267a2011-12-01 14:35:29 +080040static int __init imx6q_gpio_add_irq_domain(struct device_node *np,
Shawn Guo13eed982011-09-06 15:05:25 +080041 struct device_node *interrupt_parent)
42{
Shawn Guo04aafd72011-12-01 14:49:29 +080043 static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
Shawn Guo13eed982011-09-06 15:05:25 +080044
Shawn Guo04aafd72011-12-01 14:49:29 +080045 gpio_irq_base -= 32;
Shawn Guo13eed982011-09-06 15:05:25 +080046 irq_domain_add_simple(np, gpio_irq_base);
Shawn Guo2a3267a2011-12-01 14:35:29 +080047
48 return 0;
Shawn Guo13eed982011-09-06 15:05:25 +080049}
50
51static const struct of_device_id imx6q_irq_match[] __initconst = {
52 { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
53 { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, },
54 { /* sentinel */ }
55};
56
57static void __init imx6q_init_irq(void)
58{
59 l2x0_of_init(0, ~0UL);
60 imx_src_init();
61 imx_gpc_init();
62 of_irq_init(imx6q_irq_match);
63}
64
65static void __init imx6q_timer_init(void)
66{
67 mx6q_clocks_init();
68}
69
70static struct sys_timer imx6q_timer = {
71 .init = imx6q_timer_init,
72};
73
74static const char *imx6q_dt_compat[] __initdata = {
75 "fsl,imx6q-sabreauto",
76 NULL,
77};
78
79DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)")
80 .map_io = imx6q_map_io,
81 .init_irq = imx6q_init_irq,
82 .handle_irq = imx6q_handle_irq,
83 .timer = &imx6q_timer,
84 .init_machine = imx6q_init_machine,
85 .dt_compat = imx6q_dt_compat,
86MACHINE_END