diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 15:15:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 15:15:27 -0700 |
commit | 42cd71bf1e3a081b3150018bbf448cb6c8a844a5 (patch) | |
tree | 4a5d2eb0444255e4ad827a76dbd1417dd3876db6 /arch/arm/mach-imx/mm-imx31.c | |
parent | f5039935ac685b3b9b8c13fbc33cac8643dee32e (diff) | |
parent | 9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (137 commits)
ARM: bcmring: convert to use sp804 clockevents
ARM: bcmring: convert to sp804 clocksource
ARM: 6912/1: bcmring: Add clkdev table in init_early
clockevents: ARM sp804: obtain sp804 timer rate via clks
clockevents: ARM sp804: allow clockevent name to be specified
clocksource: ARM sp804: obtain sp804 timer rate via clks
clocksource: ARM sp804: allow clocksource name to be specified
clocksource: convert OMAP1 to 32-bit down counting clocksource
clocksource: convert MXS timrotv2 to 32-bit down counting clocksource
clocksource: convert SPEAr platforms 16-bit up counting clocksource
clocksource: convert Integrator/AP 16-bit down counting clocksource
clocksource: convert W90x900 24-bit down counting clocksource
clocksource: convert ARM 32-bit down counting clocksources
clocksource: convert ARM 32-bit up counting clocksources
clocksource: add common mmio clocksource
ARM: update sa1100 to reflect PXA updates
ARM: omap1: convert to using readl/writel instead of volatile struct
ARM: omap1: delete useless interrupt handler
ARM: s5p: consolidate selection of timer register
ARM: 6939/1: fix missing 'cpu_relax()' declaration
...
Diffstat (limited to 'arch/arm/mach-imx/mm-imx31.c')
-rw-r--r-- | arch/arm/mach-imx/mm-imx31.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c new file mode 100644 index 00000000000..86b9b45864d --- /dev/null +++ b/arch/arm/mach-imx/mm-imx31.c @@ -0,0 +1,66 @@ +/* + * Copyright (C) 1999,2000 Arm Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * Copyright (C) 2002 Shane Nay (shane@minirl.com) + * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * - add MX31 specific definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/err.h> + +#include <asm/pgtable.h> +#include <asm/mach/map.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/iomux-v3.h> +#include <mach/gpio.h> +#include <mach/irqs.h> + +static struct map_desc mx31_io_desc[] __initdata = { + imx_map_entry(MX31, X_MEMC, MT_DEVICE), + imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED), + imx_map_entry(MX31, SPBA0, MT_DEVICE_NONSHARED), +}; + +/* + * This function initializes the memory map. It is called during the + * system startup to create static physical to virtual memory mappings + * for the IO modules. + */ +void __init mx31_map_io(void) +{ + iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); +} + +void __init imx31_init_early(void) +{ + mxc_set_cpu_type(MXC_CPU_MX31); + mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); +} + +static struct mxc_gpio_port imx31_gpio_ports[] = { + DEFINE_IMX_GPIO_PORT_IRQ(MX31, 0, 1, MX31_INT_GPIO1), + DEFINE_IMX_GPIO_PORT_IRQ(MX31, 1, 2, MX31_INT_GPIO2), + DEFINE_IMX_GPIO_PORT_IRQ(MX31, 2, 3, MX31_INT_GPIO3), +}; + +void __init mx31_init_irq(void) +{ + mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR)); + mxc_gpio_init(imx31_gpio_ports, ARRAY_SIZE(imx31_gpio_ports)); +} |