2 * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 * Boston, MA 02110-1301, USA.
19 #include <linux/types.h>
20 #include <linux/init.h>
21 #include <linux/delay.h>
22 #include <linux/clk.h>
23 #include <linux/irq.h>
24 #include <linux/gpio.h>
25 #include <linux/fec.h>
26 #include <linux/platform_device.h>
28 #include <mach/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/time.h>
32 #include <asm/memory.h>
33 #include <asm/mach/map.h>
34 #include <mach/common.h>
35 #include <mach/imx-uart.h>
36 #include <mach/mx25.h>
37 #include <mach/mxc_nand.h>
38 #include <mach/imxfb.h>
40 #include <mach/iomux-mx25.h>
42 static struct imxuart_platform_data uart_pdata = {
43 .flags = IMXUART_HAVE_RTSCTS,
46 static struct pad_desc mx25pdk_pads[] = {
47 MX25_PAD_FEC_MDC__FEC_MDC,
48 MX25_PAD_FEC_MDIO__FEC_MDIO,
49 MX25_PAD_FEC_TDATA0__FEC_TDATA0,
50 MX25_PAD_FEC_TDATA1__FEC_TDATA1,
51 MX25_PAD_FEC_TX_EN__FEC_TX_EN,
52 MX25_PAD_FEC_RDATA0__FEC_RDATA0,
53 MX25_PAD_FEC_RDATA1__FEC_RDATA1,
54 MX25_PAD_FEC_RX_DV__FEC_RX_DV,
55 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
56 MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
57 MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
76 MX25_PAD_GPIO_E__LD16,
77 MX25_PAD_GPIO_F__LD17,
78 MX25_PAD_HSYNC__HSYNC,
79 MX25_PAD_VSYNC__VSYNC,
80 MX25_PAD_LSCLK__LSCLK,
81 MX25_PAD_OE_ACD__OE_ACD,
82 MX25_PAD_CONTRAST__CONTRAST,
85 static struct fec_platform_data mx25_fec_pdata = {
86 .phy = PHY_INTERFACE_MODE_RMII,
89 #define FEC_ENABLE_GPIO 35
90 #define FEC_RESET_B_GPIO 104
92 static void __init mx25pdk_fec_reset(void)
94 gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
95 gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
97 gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
98 gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
101 /* turn on PHY power and lift reset */
102 gpio_set_value(FEC_ENABLE_GPIO, 1);
103 gpio_set_value(FEC_RESET_B_GPIO, 1);
106 static struct mxc_nand_platform_data mx25pdk_nand_board_info = {
112 static struct imx_fb_videomode mx25pdk_modes[] = {
132 static struct imx_fb_platform_data mx25pdk_fb_pdata = {
133 .mode = mx25pdk_modes,
134 .num_modes = ARRAY_SIZE(mx25pdk_modes),
140 static void __init mx25pdk_init(void)
142 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
143 ARRAY_SIZE(mx25pdk_pads));
145 mxc_register_device(&mxc_uart_device0, &uart_pdata);
146 mxc_register_device(&mxc_usbh2, NULL);
147 mxc_register_device(&mxc_nand_device, &mx25pdk_nand_board_info);
148 mxc_register_device(&mx25_rtc_device, NULL);
149 mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);
152 mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
155 static void __init mx25pdk_timer_init(void)
160 static struct sys_timer mx25pdk_timer = {
161 .init = mx25pdk_timer_init,
164 MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
165 /* Maintainer: Freescale Semiconductor, Inc. */
166 .phys_io = MX25_AIPS1_BASE_ADDR,
167 .io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
168 .boot_params = MX25_PHYS_OFFSET + 0x100,
169 .map_io = mx25_map_io,
170 .init_irq = mx25_init_irq,
171 .init_machine = mx25pdk_init,
172 .timer = &mx25pdk_timer,