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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.
*/
/*
* This machine is known as:
* - i.MX25 3-Stack Development System
* - i.MX25 Platform Development Kit (i.MX25 PDK)
*/
#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/mx25.h>
#include <mach/imxfb.h>
#include <mach/iomux-mx25.h>
#include "devices-imx25.h"
#include "devices.h"
static const struct imxuart_platform_data uart_pdata __initconst = {
.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 */
/* LCD */
MX25_PAD_LD0__LD0,
MX25_PAD_LD1__LD1,
MX25_PAD_LD2__LD2,
MX25_PAD_LD3__LD3,
MX25_PAD_LD4__LD4,
MX25_PAD_LD5__LD5,
MX25_PAD_LD6__LD6,
MX25_PAD_LD7__LD7,
MX25_PAD_LD8__LD8,
MX25_PAD_LD9__LD9,
MX25_PAD_LD10__LD10,
MX25_PAD_LD11__LD11,
MX25_PAD_LD12__LD12,
MX25_PAD_LD13__LD13,
MX25_PAD_LD14__LD14,
MX25_PAD_LD15__LD15,
MX25_PAD_GPIO_E__LD16,
MX25_PAD_GPIO_F__LD17,
MX25_PAD_HSYNC__HSYNC,
MX25_PAD_VSYNC__VSYNC,
MX25_PAD_LSCLK__LSCLK,
MX25_PAD_OE_ACD__OE_ACD,
MX25_PAD_CONTRAST__CONTRAST,
};
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 const struct mxc_nand_platform_data
mx25pdk_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
.flash_bbt = 1,
};
static struct imx_fb_videomode mx25pdk_modes[] = {
{
.mode = {
.name = "CRT-VGA",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39683,
.left_margin = 45,
.right_margin = 114,
.upper_margin = 33,
.lower_margin = 11,
.hsync_len = 1,
.vsync_len = 1,
},
.bpp = 16,
.pcr = 0xFA208B80,
},
};
static struct imx_fb_platform_data mx25pdk_fb_pdata = {
.mode = mx25pdk_modes,
.num_modes = ARRAY_SIZE(mx25pdk_modes),
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
};
static void __init mx25pdk_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
ARRAY_SIZE(mx25pdk_pads));
imx25_add_imx_uart0(&uart_pdata);
mxc_register_device(&mxc_usbh2, NULL);
imx25_add_mxc_nand(&mx25pdk_nand_board_info);
mxc_register_device(&mx25_rtc_device, NULL);
mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);
mx25pdk_fec_reset();
mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
}
static void __init mx25pdk_timer_init(void)
{
mx25_clocks_init();
}
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 = MX25_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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