diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-imx/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 84 | ||||
-rw-r--r-- | arch/arm/mm/Kconfig | 2 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/common.h | 13 |
4 files changed, 99 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index f1098507a887..994ae82ca281 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile | |||
@@ -70,4 +70,4 @@ AFLAGS_head-v7.o :=-Wa,-march=armv7-a | |||
70 | obj-$(CONFIG_SMP) += platsmp.o | 70 | obj-$(CONFIG_SMP) += platsmp.o |
71 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o | 71 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o |
72 | obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o | 72 | obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o |
73 | obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o | 73 | obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o |
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c new file mode 100644 index 000000000000..8bf5fa349484 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx6q.c | |||
@@ -0,0 +1,84 @@ | |||
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 | ||
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 88633fe01a5d..c3ce146e29fe 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig | |||
@@ -822,7 +822,7 @@ config CACHE_L2X0 | |||
822 | REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \ | 822 | REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \ |
823 | ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \ | 823 | ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \ |
824 | ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \ | 824 | ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \ |
825 | ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX | 825 | ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_MX6 |
826 | default y | 826 | default y |
827 | select OUTER_CACHE | 827 | select OUTER_CACHE |
828 | select OUTER_CACHE_SYNC | 828 | select OUTER_CACHE_SYNC |
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 6340df2284d7..607b4623af0c 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h | |||
@@ -64,6 +64,7 @@ extern int mx51_clocks_init(unsigned long ckil, unsigned long osc, | |||
64 | unsigned long ckih1, unsigned long ckih2); | 64 | unsigned long ckih1, unsigned long ckih2); |
65 | extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, | 65 | extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, |
66 | unsigned long ckih1, unsigned long ckih2); | 66 | unsigned long ckih1, unsigned long ckih2); |
67 | extern int mx6q_clocks_init(void); | ||
67 | extern struct platform_device *mxc_register_gpio(char *name, int id, | 68 | extern struct platform_device *mxc_register_gpio(char *name, int id, |
68 | resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); | 69 | resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); |
69 | extern void mxc_set_cpu_type(unsigned int type); | 70 | extern void mxc_set_cpu_type(unsigned int type); |
@@ -101,7 +102,19 @@ void gic_handle_irq(struct pt_regs *); | |||
101 | 102 | ||
102 | extern void imx_enable_cpu(int cpu, bool enable); | 103 | extern void imx_enable_cpu(int cpu, bool enable); |
103 | extern void imx_set_cpu_jump(int cpu, void *jump_addr); | 104 | extern void imx_set_cpu_jump(int cpu, void *jump_addr); |
105 | #ifdef CONFIG_DEBUG_LL | ||
106 | extern void imx_lluart_map_io(void); | ||
107 | #else | ||
108 | static inline void imx_lluart_map_io(void) {} | ||
109 | #endif | ||
104 | #ifdef CONFIG_SMP | 110 | #ifdef CONFIG_SMP |
105 | extern void v7_secondary_startup(void); | 111 | extern void v7_secondary_startup(void); |
112 | extern void imx_scu_map_io(void); | ||
113 | #else | ||
114 | static inline void imx_scu_map_io(void) {} | ||
106 | #endif | 115 | #endif |
116 | extern void imx_enable_cpu(int cpu, bool enable); | ||
117 | extern void imx_set_cpu_jump(int cpu, void *jump_addr); | ||
118 | extern void imx_src_init(void); | ||
119 | extern void imx_gpc_init(void); | ||
107 | #endif | 120 | #endif |