diff options
| -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 obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o -obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o +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 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/gic.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/hardware.h> + +static void __init imx6q_init_machine(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + imx6q_pm_init(); +} + +static void __init imx6q_map_io(void) +{ + imx_lluart_map_io(); + imx_scu_map_io(); +} + +static void __init imx6q_gpio_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - + 32 * 7; /* imx6q gets 7 gpio ports */ + + irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base += 32; +} + +static const struct of_device_id imx6q_irq_match[] __initconst = { + { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, + { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, }, + { /* sentinel */ } +}; + +static void __init imx6q_init_irq(void) +{ + l2x0_of_init(0, ~0UL); + imx_src_init(); + imx_gpc_init(); + of_irq_init(imx6q_irq_match); +} + +static void __init imx6q_timer_init(void) +{ + mx6q_clocks_init(); +} + +static struct sys_timer imx6q_timer = { + .init = imx6q_timer_init, +}; + +static const char *imx6q_dt_compat[] __initdata = { + "fsl,imx6q-sabreauto", + NULL, +}; + +DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") + .map_io = imx6q_map_io, + .init_irq = imx6q_init_irq, + .handle_irq = imx6q_handle_irq, + .timer = &imx6q_timer, + .init_machine = imx6q_init_machine, + .dt_compat = imx6q_dt_compat, +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 REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \ ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \ ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \ - ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX + ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_MX6 default y select OUTER_CACHE 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, unsigned long ckih1, unsigned long ckih2); extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); +extern int mx6q_clocks_init(void); extern struct platform_device *mxc_register_gpio(char *name, int id, resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); extern void mxc_set_cpu_type(unsigned int type); @@ -101,7 +102,19 @@ void gic_handle_irq(struct pt_regs *); extern void imx_enable_cpu(int cpu, bool enable); extern void imx_set_cpu_jump(int cpu, void *jump_addr); +#ifdef CONFIG_DEBUG_LL +extern void imx_lluart_map_io(void); +#else +static inline void imx_lluart_map_io(void) {} +#endif #ifdef CONFIG_SMP extern void v7_secondary_startup(void); +extern void imx_scu_map_io(void); +#else +static inline void imx_scu_map_io(void) {} #endif +extern void imx_enable_cpu(int cpu, bool enable); +extern void imx_set_cpu_jump(int cpu, void *jump_addr); +extern void imx_src_init(void); +extern void imx_gpc_init(void); #endif |