2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/platform_device.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/map.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/i2c.h>
27 #include <mach/common.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/mach/map.h>
33 #include <mach/gpio.h>
34 #include <mach/imx-uart.h>
35 #include <mach/iomux.h>
36 #include <mach/board-mx27ads.h>
37 #include <mach/mxc_nand.h>
39 #include <mach/imxfb.h>
43 static unsigned int mx27ads_pins
[] = {
126 static struct mxc_nand_platform_data mx27ads_nand_board_info
= {
131 /* ADS's NOR flash */
132 static struct physmap_flash_data mx27ads_flash_data
= {
136 static struct resource mx27ads_flash_resource
= {
138 .end
= 0xc0000000 + 0x02000000 - 1,
139 .flags
= IORESOURCE_MEM
,
143 static struct platform_device mx27ads_nor_mtd_device
= {
144 .name
= "physmap-flash",
147 .platform_data
= &mx27ads_flash_data
,
150 .resource
= &mx27ads_flash_resource
,
153 static struct imxi2c_platform_data mx27ads_i2c_data
= {
157 static struct i2c_board_info mx27ads_i2c_devices
[] = {
160 void lcd_power(int on
)
163 __raw_writew(PBC_BCTRL1_LCDON
, PBC_BCTRL1_SET_REG
);
165 __raw_writew(PBC_BCTRL1_LCDON
, PBC_BCTRL1_CLEAR_REG
);
168 static struct imx_fb_platform_data mx27ads_fb_data
= {
181 .fixed_screen_cpu
= 0,
184 * - HSYNC active high
185 * - VSYNC active high
186 * - clk notenabled while idle
188 * - data not inverted
189 * - data enable low active
190 * - enable sharp mode
197 .lcd_power
= lcd_power
,
200 static struct platform_device
*platform_devices
[] __initdata
= {
201 &mx27ads_nor_mtd_device
,
205 static struct imxuart_platform_data uart_pdata
[] = {
207 .flags
= IMXUART_HAVE_RTSCTS
,
209 .flags
= IMXUART_HAVE_RTSCTS
,
211 .flags
= IMXUART_HAVE_RTSCTS
,
213 .flags
= IMXUART_HAVE_RTSCTS
,
215 .flags
= IMXUART_HAVE_RTSCTS
,
217 .flags
= IMXUART_HAVE_RTSCTS
,
221 static void __init
mx27ads_board_init(void)
223 mxc_gpio_setup_multiple_pins(mx27ads_pins
, ARRAY_SIZE(mx27ads_pins
),
226 mxc_register_device(&mxc_uart_device0
, &uart_pdata
[0]);
227 mxc_register_device(&mxc_uart_device1
, &uart_pdata
[1]);
228 mxc_register_device(&mxc_uart_device2
, &uart_pdata
[2]);
229 mxc_register_device(&mxc_uart_device3
, &uart_pdata
[3]);
230 mxc_register_device(&mxc_uart_device4
, &uart_pdata
[4]);
231 mxc_register_device(&mxc_uart_device5
, &uart_pdata
[5]);
232 mxc_register_device(&mxc_nand_device
, &mx27ads_nand_board_info
);
234 /* only the i2c master 1 is used on this CPU card */
235 i2c_register_board_info(1, mx27ads_i2c_devices
,
236 ARRAY_SIZE(mx27ads_i2c_devices
));
237 mxc_register_device(&mxc_i2c_device1
, &mx27ads_i2c_data
);
238 mxc_register_device(&mxc_fb_device
, &mx27ads_fb_data
);
240 platform_add_devices(platform_devices
, ARRAY_SIZE(platform_devices
));
243 static void __init
mx27ads_timer_init(void)
245 unsigned long fref
= 26000000;
247 if ((__raw_readw(PBC_VERSION_REG
) & CKIH_27MHZ_BIT_SET
) == 0)
250 mx27_clocks_init(fref
);
253 static struct sys_timer mx27ads_timer
= {
254 .init
= mx27ads_timer_init
,
257 static struct map_desc mx27ads_io_desc
[] __initdata
= {
259 .virtual = PBC_BASE_ADDRESS
,
260 .pfn
= __phys_to_pfn(CS4_BASE_ADDR
),
266 static void __init
mx27ads_map_io(void)
269 iotable_init(mx27ads_io_desc
, ARRAY_SIZE(mx27ads_io_desc
));
272 MACHINE_START(MX27ADS
, "Freescale i.MX27ADS")
273 /* maintainer: Freescale Semiconductor, Inc. */
274 .phys_io
= AIPI_BASE_ADDR
,
275 .io_pg_offst
= ((AIPI_BASE_ADDR_VIRT
) >> 18) & 0xfffc,
276 .boot_params
= PHYS_OFFSET
+ 0x100,
277 .map_io
= mx27ads_map_io
,
278 .init_irq
= mxc_init_irq
,
279 .init_machine
= mx27ads_board_init
,
280 .timer
= &mx27ads_timer
,