mm-imx25.c
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/*
* 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 <linux/pinctrl/machine.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include "common.h"
#include "devices/devices-common.h"
#include "hardware.h"
#include "iomux-v3.h"
#include "mx25.h"
/*
* This table defines static virtual address mappings for I/O regions.
* These are the mappings common across all MX25 boards.
*/
static struct map_desc mx25_io_desc[] __initdata = {
imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX25, AIPS2, 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 mx25_map_io(void)
{
iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc));
}
void __init imx25_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX25);
mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
}
void __init mx25_init_irq(void)
{
mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR));
}
static struct sdma_platform_data imx25_sdma_pdata __initdata = {
.fw_name = "sdma-imx25.bin",
};
static const struct resource imx25_audmux_res[] __initconst = {
DEFINE_RES_MEM(MX25_AUDMUX_BASE_ADDR, SZ_16K),
};
void __init imx25_soc_init(void)
{
mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
mxc_device_init();
/* i.mx25 has the i.mx35 type gpio */
mxc_register_gpio("imx35-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0);
mxc_register_gpio("imx35-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0);
mxc_register_gpio("imx35-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0);
mxc_register_gpio("imx35-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0);
pinctrl_provide_dummies();
/* i.mx25 has the i.mx35 type sdma */
imx_add_imx_sdma("imx35-sdma", MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata);
/* i.mx25 has the i.mx31 type audmux */
platform_device_register_simple("imx31-audmux", 0, imx25_audmux_res,
ARRAY_SIZE(imx25_audmux_res));
}