Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
		
			
				
	
	
		
			92 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2012 Sascha Hauer, Pengutronix
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 *
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 * The code contained herein is licensed under the GNU General Public
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 * License. You may obtain a copy of the GNU General Public License
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 * Version 2 or later at the following locations:
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 *
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 * http://www.opensource.org/licenses/gpl-license.html
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 * http://www.gnu.org/copyleft/gpl.html
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 */
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#include <linux/irq.h>
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#include <linux/irqdomain.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <mach/common.h>
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#include <mach/mx27.h>
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static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = {
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	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART1_BASE_ADDR, "imx21-uart.0", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART2_BASE_ADDR, "imx21-uart.1", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART3_BASE_ADDR, "imx21-uart.2", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-fec", MX27_FEC_BASE_ADDR, "imx27-fec.0", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI1_BASE_ADDR, "imx27-cspi.0", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI2_BASE_ADDR, "imx27-cspi.1", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI3_BASE_ADDR, "imx27-cspi.2", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-wdt", MX27_WDOG_BASE_ADDR, "imx2-wdt.0", NULL),
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	OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "mxc_nand.0", NULL),
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	{ /* sentinel */ }
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};
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static int __init imx27_avic_add_irq_domain(struct device_node *np,
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				struct device_node *interrupt_parent)
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{
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	irq_domain_add_legacy(np, 64, 0, 0, &irq_domain_simple_ops, NULL);
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	return 0;
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}
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static int __init imx27_gpio_add_irq_domain(struct device_node *np,
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				struct device_node *interrupt_parent)
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{
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	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
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	gpio_irq_base -= 32;
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	irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops,
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				NULL);
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	return 0;
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}
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static const struct of_device_id imx27_irq_match[] __initconst = {
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	{ .compatible = "fsl,imx27-avic", .data = imx27_avic_add_irq_domain, },
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	{ .compatible = "fsl,imx27-gpio", .data = imx27_gpio_add_irq_domain, },
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	{ /* sentinel */ }
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};
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static void __init imx27_dt_init(void)
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{
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	of_irq_init(imx27_irq_match);
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	of_platform_populate(NULL, of_default_bus_match_table,
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			     imx27_auxdata_lookup, NULL);
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}
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static void __init imx27_timer_init(void)
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{
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	mx27_clocks_init_dt();
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}
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static struct sys_timer imx27_timer = {
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	.init = imx27_timer_init,
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};
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static const char *imx27_dt_board_compat[] __initdata = {
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	"fsl,imx27",
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	NULL
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};
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DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
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	.map_io		= mx27_map_io,
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	.init_early	= imx27_init_early,
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	.init_irq	= mx27_init_irq,
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	.handle_irq	= imx27_handle_irq,
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	.timer		= &imx27_timer,
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	.init_machine	= imx27_dt_init,
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	.dt_compat	= imx27_dt_board_compat,
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	.restart	= mxc_restart,
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MACHINE_END
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