projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 13eed989 SG |
1 | /* |
| 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 | ||
| 26 | static 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 | ||
| 33 | static void __init imx6q_map_io(void) | |
| 34 | { | |
| 35 | imx_lluart_map_io(); | |
| 36 | imx_scu_map_io(); | |
| 37 | } | |
| 38 | ||
| 39 | static void __init imx6q_gpio_add_irq_domain(struct device_node *np, | |
| 40 | struct device_node *interrupt_parent) | |
| 41 | { | |
| 42 | static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - | |
| 43 | 32 * 7; /* imx6q gets 7 gpio ports */ | |
| 44 | ||
| 45 | irq_domain_add_simple(np, gpio_irq_base); | |
| 46 | gpio_irq_base += 32; | |
| 47 | } | |
| 48 | ||
| 49 | static const struct of_device_id imx6q_irq_match[] __initconst = { | |
| 50 | { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, | |
| 51 | { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, }, | |
| 52 | { /* sentinel */ } | |
| 53 | }; | |
| 54 | ||
| 55 | static void __init imx6q_init_irq(void) | |
| 56 | { | |
| 57 | l2x0_of_init(0, ~0UL); | |
| 58 | imx_src_init(); | |
| 59 | imx_gpc_init(); | |
| 60 | of_irq_init(imx6q_irq_match); | |
| 61 | } | |
| 62 | ||
| 63 | static void __init imx6q_timer_init(void) | |
| 64 | { | |
| 65 | mx6q_clocks_init(); | |
| 66 | } | |
| 67 | ||
| 68 | static struct sys_timer imx6q_timer = { | |
| 69 | .init = imx6q_timer_init, | |
| 70 | }; | |
| 71 | ||
| 72 | static const char *imx6q_dt_compat[] __initdata = { | |
| 73 | "fsl,imx6q-sabreauto", | |
| 74 | NULL, | |
| 75 | }; | |
| 76 | ||
| 77 | DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") | |
| 78 | .map_io = imx6q_map_io, | |
| 79 | .init_irq = imx6q_init_irq, | |
| 80 | .handle_irq = imx6q_handle_irq, | |
| 81 | .timer = &imx6q_timer, | |
| 82 | .init_machine = imx6q_init_machine, | |
| 83 | .dt_compat = imx6q_dt_compat, | |
| 84 | MACHINE_END |