2 * Copyright (C) 2008 Sascha Hauer, Pengutronix
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #include <linux/types.h>
20 #include <linux/init.h>
22 #include <linux/platform_device.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/mtd/plat-ram.h>
25 #include <linux/memory.h>
26 #include <linux/gpio.h>
27 #include <linux/smsc911x.h>
28 #include <linux/interrupt.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/at24.h>
31 #include <linux/delay.h>
32 #include <linux/spi/spi.h>
33 #include <linux/irq.h>
35 #include <mach/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/time.h>
39 #include <asm/mach/map.h>
40 #include <mach/common.h>
41 #include <mach/imx-uart.h>
42 #include <mach/iomux-mx3.h>
43 #include <mach/board-pcm037.h>
44 #include <mach/mxc_nand.h>
52 static unsigned int pcm037_pins
[] = {
54 MX31_PIN_CSPI2_MOSI__SCL
,
55 MX31_PIN_CSPI2_MISO__SDA
,
57 MX31_PIN_SD1_DATA3__SD1_DATA3
,
58 MX31_PIN_SD1_DATA2__SD1_DATA2
,
59 MX31_PIN_SD1_DATA1__SD1_DATA1
,
60 MX31_PIN_SD1_DATA0__SD1_DATA0
,
61 MX31_PIN_SD1_CLK__SD1_CLK
,
62 MX31_PIN_SD1_CMD__SD1_CMD
,
63 IOMUX_MODE(MX31_PIN_SCK6
, IOMUX_CONFIG_GPIO
), /* card detect */
64 IOMUX_MODE(MX31_PIN_SFS6
, IOMUX_CONFIG_GPIO
), /* write protect */
66 MX31_PIN_CSPI1_MOSI__MOSI
,
67 MX31_PIN_CSPI1_MISO__MISO
,
68 MX31_PIN_CSPI1_SCLK__SCLK
,
69 MX31_PIN_CSPI1_SPI_RDY__SPI_RDY
,
70 MX31_PIN_CSPI1_SS0__SS0
,
71 MX31_PIN_CSPI1_SS1__SS1
,
72 MX31_PIN_CSPI1_SS2__SS2
,
84 MX31_PIN_CSPI3_MOSI__RXD3
,
85 MX31_PIN_CSPI3_MISO__TXD3
,
86 MX31_PIN_CSPI3_SCLK__RTS3
,
87 MX31_PIN_CSPI3_SPI_RDY__CTS3
,
89 IOMUX_MODE(MX31_PIN_GPIO3_1
, IOMUX_CONFIG_GPIO
),
91 MX31_PIN_BATT_LINE__OWIRE
,
111 MX31_PIN_VSYNC3__VSYNC3
,
112 MX31_PIN_HSYNC__HSYNC
,
113 MX31_PIN_FPSHIFT__FPSHIFT
,
114 MX31_PIN_DRDY0__DRDY0
,
115 MX31_PIN_D3_REV__D3_REV
,
116 MX31_PIN_CONTRAST__CONTRAST
,
117 MX31_PIN_D3_SPL__D3_SPL
,
118 MX31_PIN_D3_CLS__D3_CLS
,
119 MX31_PIN_LCS0__GPI03_23
,
122 static struct physmap_flash_data pcm037_flash_data
= {
126 static struct resource pcm037_flash_resource
= {
129 .flags
= IORESOURCE_MEM
,
132 static struct platform_device pcm037_flash
= {
133 .name
= "physmap-flash",
136 .platform_data
= &pcm037_flash_data
,
138 .resource
= &pcm037_flash_resource
,
142 static struct imxuart_platform_data uart_pdata
= {
143 .flags
= IMXUART_HAVE_RTSCTS
,
146 static struct resource smsc911x_resources
[] = {
148 .start
= CS1_BASE_ADDR
+ 0x300,
149 .end
= CS1_BASE_ADDR
+ 0x300 + SZ_64K
- 1,
150 .flags
= IORESOURCE_MEM
,
153 .start
= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1
),
154 .end
= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1
),
155 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
159 static struct smsc911x_platform_config smsc911x_info
= {
160 .flags
= SMSC911X_USE_32BIT
| SMSC911X_FORCE_INTERNAL_PHY
|
161 SMSC911X_SAVE_MAC_ADDRESS
,
162 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
163 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
164 .phy_interface
= PHY_INTERFACE_MODE_MII
,
167 static struct platform_device pcm037_eth
= {
170 .num_resources
= ARRAY_SIZE(smsc911x_resources
),
171 .resource
= smsc911x_resources
,
173 .platform_data
= &smsc911x_info
,
177 static struct platdata_mtd_ram pcm038_sram_data
= {
181 static struct resource pcm038_sram_resource
= {
182 .start
= CS4_BASE_ADDR
,
183 .end
= CS4_BASE_ADDR
+ 512 * 1024 - 1,
184 .flags
= IORESOURCE_MEM
,
187 static struct platform_device pcm037_sram_device
= {
191 .platform_data
= &pcm038_sram_data
,
194 .resource
= &pcm038_sram_resource
,
197 static struct mxc_nand_platform_data pcm037_nand_board_info
= {
202 #ifdef CONFIG_I2C_IMX
203 static struct imxi2c_platform_data pcm037_i2c_1_data
= {
207 static struct at24_platform_data board_eeprom
= {
210 .flags
= AT24_FLAG_ADDR16
,
213 static struct i2c_board_info pcm037_i2c_devices
[] = {
215 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
216 .platform_data
= &board_eeprom
,
218 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
224 /* Not connected by default */
225 #ifdef PCM970_SDHC_RW_SWITCH
226 static int pcm970_sdhc1_get_ro(struct device
*dev
)
228 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6
));
232 static int pcm970_sdhc1_init(struct device
*dev
, irq_handler_t detect_irq
,
236 int gpio_det
, gpio_wp
;
238 gpio_det
= IOMUX_TO_GPIO(MX31_PIN_SCK6
);
239 gpio_wp
= IOMUX_TO_GPIO(MX31_PIN_SFS6
);
241 gpio_direction_input(gpio_det
);
242 gpio_direction_input(gpio_wp
);
244 ret
= request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6
), detect_irq
,
245 IRQF_DISABLED
| IRQF_TRIGGER_FALLING
,
246 "sdhc-detect", data
);
250 static void pcm970_sdhc1_exit(struct device
*dev
, void *data
)
252 free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6
), data
);
255 static struct imxmmc_platform_data sdhc_pdata
= {
256 #ifdef PCM970_SDHC_RW_SWITCH
257 .get_ro
= pcm970_sdhc1_get_ro
,
259 .init
= pcm970_sdhc1_init
,
260 .exit
= pcm970_sdhc1_exit
,
263 static struct platform_device
*devices
[] __initdata
= {
270 * Board specific initialization.
272 static void __init
mxc_board_init(void)
274 mxc_iomux_setup_multiple_pins(pcm037_pins
, ARRAY_SIZE(pcm037_pins
),
277 platform_add_devices(devices
, ARRAY_SIZE(devices
));
279 mxc_register_device(&mxc_uart_device0
, &uart_pdata
);
280 mxc_register_device(&mxc_uart_device1
, &uart_pdata
);
281 mxc_register_device(&mxc_uart_device2
, &uart_pdata
);
283 mxc_register_device(&mxc_w1_master_device
, NULL
);
285 /* LAN9217 IRQ pin */
286 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1
));
288 #ifdef CONFIG_I2C_IMX
289 i2c_register_board_info(1, pcm037_i2c_devices
,
290 ARRAY_SIZE(pcm037_i2c_devices
));
292 mxc_register_device(&mxc_i2c_device1
, &pcm037_i2c_1_data
);
294 mxc_register_device(&mxc_nand_device
, &pcm037_nand_board_info
);
295 mxc_register_device(&mxcsdhc_device0
, &sdhc_pdata
);
298 static void __init
pcm037_timer_init(void)
300 mx31_clocks_init(26000000);
303 struct sys_timer pcm037_timer
= {
304 .init
= pcm037_timer_init
,
307 MACHINE_START(PCM037
, "Phytec Phycore pcm037")
308 /* Maintainer: Pengutronix */
309 .phys_io
= AIPS1_BASE_ADDR
,
310 .io_pg_offst
= ((AIPS1_BASE_ADDR_VIRT
) >> 18) & 0xfffc,
311 .boot_params
= PHYS_OFFSET
+ 0x100,
312 .map_io
= mx31_map_io
,
313 .init_irq
= mxc_init_irq
,
314 .init_machine
= mxc_board_init
,
315 .timer
= &pcm037_timer
,