mirror of https://gitee.com/openkylin/linux.git
92 lines
2.7 KiB
C
92 lines
2.7 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/devices-common.h>
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#include <mach/hardware.h>
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#include <mach/iomux-v3.h>
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#include <mach/irqs.h>
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static struct map_desc mx31_io_desc[] __initdata = {
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imx_map_entry(MX31, X_MEMC, MT_DEVICE),
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imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
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imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED),
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imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED),
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imx_map_entry(MX31, SPBA0, MT_DEVICE_NONSHARED),
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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 mx31_map_io(void)
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{
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iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
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}
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void __init imx31_init_early(void)
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{
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mxc_set_cpu_type(MXC_CPU_MX31);
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mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
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}
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void __init mx31_init_irq(void)
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{
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mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
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}
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static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = {
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.per_2_per_addr = 1677,
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};
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static struct sdma_script_start_addrs imx31_to2_sdma_script __initdata = {
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.ap_2_ap_addr = 423,
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.ap_2_bp_addr = 829,
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.bp_2_ap_addr = 1029,
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};
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static struct sdma_platform_data imx31_sdma_pdata __initdata = {
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.fw_name = "sdma-imx31-to2.bin",
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.script_addrs = &imx31_to2_sdma_script,
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};
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void __init imx31_soc_init(void)
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{
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int to_version = mx31_revision() >> 4;
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mxc_register_gpio("imx31-gpio", 0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0);
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mxc_register_gpio("imx31-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0);
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mxc_register_gpio("imx31-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0);
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if (to_version == 1) {
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strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin",
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strlen(imx31_sdma_pdata.fw_name));
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imx31_sdma_pdata.script_addrs = &imx31_to1_sdma_script;
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}
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imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
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}
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