2 * linux/arch/arm/mach-omap2/board-ldp.c
4 * Copyright (C) 2008 Texas Instruments Inc.
5 * Nishant Kamat <nskamat@ti.com>
7 * Modified from mach-omap2/board-3430sdp.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/input.h>
19 #include <linux/workqueue.h>
20 #include <linux/err.h>
21 #include <linux/clk.h>
22 #include <linux/spi/spi.h>
23 #include <linux/spi/ads7846.h>
24 #include <linux/i2c/twl4030.h>
26 #include <linux/smsc911x.h>
28 #include <mach/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
33 #include <mach/mcspi.h>
34 #include <mach/gpio.h>
35 #include <mach/board.h>
36 #include <mach/common.h>
37 #include <mach/gpmc.h>
39 #include <asm/delay.h>
40 #include <mach/control.h>
43 #include "mmc-twl4030.h"
45 #define LDP_SMSC911X_CS 1
46 #define LDP_SMSC911X_GPIO 152
47 #define DEBUG_BASE 0x08000000
48 #define LDP_ETHR_START DEBUG_BASE
50 static struct resource ldp_smsc911x_resources
[] = {
52 .start
= LDP_ETHR_START
,
53 .end
= LDP_ETHR_START
+ SZ_4K
,
54 .flags
= IORESOURCE_MEM
,
59 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
63 static struct smsc911x_platform_config ldp_smsc911x_config
= {
64 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
65 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
66 .flags
= SMSC911X_USE_32BIT
,
67 .phy_interface
= PHY_INTERFACE_MODE_MII
,
70 static struct platform_device ldp_smsc911x_device
= {
73 .num_resources
= ARRAY_SIZE(ldp_smsc911x_resources
),
74 .resource
= ldp_smsc911x_resources
,
76 .platform_data
= &ldp_smsc911x_config
,
80 static struct platform_device
*ldp_devices
[] __initdata
= {
84 static inline void __init
ldp_init_smsc911x(void)
87 unsigned long cs_mem_base
;
90 eth_cs
= LDP_SMSC911X_CS
;
92 if (gpmc_cs_request(eth_cs
, SZ_16M
, &cs_mem_base
) < 0) {
93 printk(KERN_ERR
"Failed to request GPMC mem for smsc911x\n");
97 ldp_smsc911x_resources
[0].start
= cs_mem_base
+ 0x0;
98 ldp_smsc911x_resources
[0].end
= cs_mem_base
+ 0xff;
101 eth_gpio
= LDP_SMSC911X_GPIO
;
103 ldp_smsc911x_resources
[1].start
= OMAP_GPIO_IRQ(eth_gpio
);
105 if (gpio_request(eth_gpio
, "smsc911x irq") < 0) {
106 printk(KERN_ERR
"Failed to request GPIO%d for smsc911x IRQ\n",
110 gpio_direction_input(eth_gpio
);
113 static void __init
omap_ldp_init_irq(void)
115 omap2_init_common_hw(NULL
);
121 static struct omap_uart_config ldp_uart_config __initdata
= {
122 .enabled_uarts
= ((1 << 0) | (1 << 1) | (1 << 2)),
125 static struct omap_board_config_kernel ldp_config
[] __initdata
= {
126 { OMAP_TAG_UART
, &ldp_uart_config
},
129 static struct twl4030_gpio_platform_data ldp_gpio_data
= {
130 .gpio_base
= OMAP_MAX_GPIO_LINES
,
131 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
132 .irq_end
= TWL4030_GPIO_IRQ_END
,
135 static struct twl4030_platform_data ldp_twldata
= {
136 .irq_base
= TWL4030_IRQ_BASE
,
137 .irq_end
= TWL4030_IRQ_END
,
139 /* platform_data for children goes here */
140 .gpio
= &ldp_gpio_data
,
143 static struct i2c_board_info __initdata ldp_i2c_boardinfo
[] = {
145 I2C_BOARD_INFO("twl4030", 0x48),
146 .flags
= I2C_CLIENT_WAKE
,
147 .irq
= INT_34XX_SYS_NIRQ
,
148 .platform_data
= &ldp_twldata
,
152 static int __init
omap_i2c_init(void)
154 omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo
,
155 ARRAY_SIZE(ldp_i2c_boardinfo
));
156 omap_register_i2c_bus(2, 400, NULL
, 0);
157 omap_register_i2c_bus(3, 400, NULL
, 0);
161 static struct twl4030_hsmmc_info mmc
[] __initdata
= {
171 static void __init
omap_ldp_init(void)
174 platform_add_devices(ldp_devices
, ARRAY_SIZE(ldp_devices
));
175 omap_board_config
= ldp_config
;
176 omap_board_config_size
= ARRAY_SIZE(ldp_config
);
178 twl4030_mmc_init(mmc
);
182 static void __init
omap_ldp_map_io(void)
184 omap2_set_globals_343x();
185 omap2_map_common_io();
188 MACHINE_START(OMAP_LDP
, "OMAP LDP board")
189 .phys_io
= 0x48000000,
190 .io_pg_offst
= ((0xd8000000) >> 18) & 0xfffc,
191 .boot_params
= 0x80000100,
192 .map_io
= omap_ldp_map_io
,
193 .init_irq
= omap_ldp_init_irq
,
194 .init_machine
= omap_ldp_init
,
195 .timer
= &omap_timer
,