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- /*
- * 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
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