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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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84659ab585
The commit 9a763bf "get rid of mxc_gpio_init" changed gpio_init
and irq_init sequence. Usually we will call set_irq_chained_handler
in gpio_init functions, this should be called after the irq_init
called, otherwise the chained irq can't get propoer irq_chip and this
irq will remain masked even we called set_irq_chained_handler.
Signed-off-by: Jason Wang <jason77.wang@gmail.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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* Copyright (C) 1999,2000 Arm Limited
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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* Copyright (C) 2002 Shane Nay (shane@minirl.com)
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* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
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* - add MX31 specific definitions
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <asm/pgtable.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/hardware.h>
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#include <mach/mx25.h>
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#include <mach/iomux-v3.h>
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/*
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* This table defines static virtual address mappings for I/O regions.
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* These are the mappings common across all MX3 boards.
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*/
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static struct map_desc mxc_io_desc[] __initdata = {
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{
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.virtual = MX25_AVIC_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR),
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.length = MX25_AVIC_SIZE,
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.type = MT_DEVICE_NONSHARED
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}, {
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.virtual = MX25_AIPS1_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR),
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.length = MX25_AIPS1_SIZE,
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.type = MT_DEVICE_NONSHARED
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}, {
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.virtual = MX25_AIPS2_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR),
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.length = MX25_AIPS2_SIZE,
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.type = MT_DEVICE_NONSHARED
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},
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};
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/*
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* This function initializes the memory map. It is called during the
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* system startup to create static physical to virtual memory mappings
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* for the IO modules.
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*/
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void __init mx25_map_io(void)
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{
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mxc_set_cpu_type(MXC_CPU_MX25);
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mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
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mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
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iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
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}
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int imx25_register_gpios(void);
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void __init mx25_init_irq(void)
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{
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mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT);
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imx25_register_gpios();
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}
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