forked from Minki/linux
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
|
|
* Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/fec.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach/map.h>
|
|
#include <mach/common.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/mx25.h>
|
|
#include <mach/mxc_nand.h>
|
|
#include "devices.h"
|
|
#include <mach/iomux.h>
|
|
|
|
static struct imxuart_platform_data uart_pdata = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static struct pad_desc mx25pdk_pads[] = {
|
|
MX25_PAD_FEC_MDC__FEC_MDC,
|
|
MX25_PAD_FEC_MDIO__FEC_MDIO,
|
|
MX25_PAD_FEC_TDATA0__FEC_TDATA0,
|
|
MX25_PAD_FEC_TDATA1__FEC_TDATA1,
|
|
MX25_PAD_FEC_TX_EN__FEC_TX_EN,
|
|
MX25_PAD_FEC_RDATA0__FEC_RDATA0,
|
|
MX25_PAD_FEC_RDATA1__FEC_RDATA1,
|
|
MX25_PAD_FEC_RX_DV__FEC_RX_DV,
|
|
MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
|
|
MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
|
|
MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
|
|
};
|
|
|
|
static struct fec_platform_data mx25_fec_pdata = {
|
|
.phy = PHY_INTERFACE_MODE_RMII,
|
|
};
|
|
|
|
#define FEC_ENABLE_GPIO 35
|
|
#define FEC_RESET_B_GPIO 104
|
|
|
|
static void __init mx25pdk_fec_reset(void)
|
|
{
|
|
gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
|
|
gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
|
|
|
|
gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
|
|
gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
|
|
udelay(2);
|
|
|
|
/* turn on PHY power and lift reset */
|
|
gpio_set_value(FEC_ENABLE_GPIO, 1);
|
|
gpio_set_value(FEC_RESET_B_GPIO, 1);
|
|
}
|
|
|
|
static void __init mx25pdk_init(void)
|
|
{
|
|
mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
|
|
ARRAY_SIZE(mx25pdk_pads));
|
|
|
|
mxc_register_device(&mxc_uart_device0, &uart_pdata);
|
|
mxc_register_device(&mxc_usbh2, NULL);
|
|
|
|
mx25pdk_fec_reset();
|
|
mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
|
|
}
|
|
|
|
static void __init mx25pdk_timer_init(void)
|
|
{
|
|
mx25_clocks_init(26000000);
|
|
}
|
|
|
|
static struct sys_timer mx25pdk_timer = {
|
|
.init = mx25pdk_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
|
|
/* Maintainer: Freescale Semiconductor, Inc. */
|
|
.phys_io = MX25_AIPS1_BASE_ADDR,
|
|
.io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
|
.boot_params = PHYS_OFFSET + 0x100,
|
|
.map_io = mx25_map_io,
|
|
.init_irq = mx25_init_irq,
|
|
.init_machine = mx25pdk_init,
|
|
.timer = &mx25pdk_timer,
|
|
MACHINE_END
|
|
|