omap2+: Use Kconfig symbol in Makefile instead of obj-y
[deliverable/linux.git] / arch / arm / mach-omap2 / board-cm-t3517.c
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1/*
2 * linux/arch/arm/mach-omap2/board-cm-t3517.c
3 *
4 * Support for the CompuLab CM-T3517 modules
5 *
6 * Copyright (C) 2010 CompuLab, Ltd.
7 * Author: Igor Grinberg <grinberg@compulab.co.il>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#include <linux/kernel.h>
26#include <linux/init.h>
27#include <linux/platform_device.h>
525d75b3 28#include <linux/delay.h>
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29#include <linux/gpio.h>
30#include <linux/leds.h>
46893a56 31#include <linux/rtc-v3020.h>
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32#include <linux/mtd/mtd.h>
33#include <linux/mtd/nand.h>
34#include <linux/mtd/partitions.h>
b6a26b4b 35#include <linux/can/platform/ti_hecc.h>
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36
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40
41#include <plat/board.h>
42#include <plat/common.h>
525d75b3 43#include <plat/usb.h>
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44#include <plat/nand.h>
45#include <plat/gpmc.h>
d04b620e 46
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47#include <mach/am35xx.h>
48
d04b620e 49#include "mux.h"
4814ced5 50#include "control.h"
1704bf15 51#include "common-board-devices.h"
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52
53#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
54static struct gpio_led cm_t3517_leds[] = {
55 [0] = {
56 .gpio = 186,
57 .name = "cm-t3517:green",
58 .default_trigger = "heartbeat",
59 .active_low = 0,
60 },
61};
62
63static struct gpio_led_platform_data cm_t3517_led_pdata = {
64 .num_leds = ARRAY_SIZE(cm_t3517_leds),
65 .leds = cm_t3517_leds,
66};
67
68static struct platform_device cm_t3517_led_device = {
69 .name = "leds-gpio",
70 .id = -1,
71 .dev = {
72 .platform_data = &cm_t3517_led_pdata,
73 },
74};
75
76static void __init cm_t3517_init_leds(void)
77{
78 platform_device_register(&cm_t3517_led_device);
79}
80#else
81static inline void cm_t3517_init_leds(void) {}
82#endif
83
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84#if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
85static struct resource cm_t3517_hecc_resources[] = {
86 {
87 .start = AM35XX_IPSS_HECC_BASE,
88 .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
89 .flags = IORESOURCE_MEM,
90 },
91 {
92 .start = INT_35XX_HECC0_IRQ,
93 .end = INT_35XX_HECC0_IRQ,
94 .flags = IORESOURCE_IRQ,
95 },
96};
97
98static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
99 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
100 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
101 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
102 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
103 .int_line = AM35XX_HECC_INT_LINE,
104 .version = AM35XX_HECC_VERSION,
105};
106
107static struct platform_device cm_t3517_hecc_device = {
108 .name = "ti_hecc",
109 .id = 1,
110 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
111 .resource = cm_t3517_hecc_resources,
112 .dev = {
113 .platform_data = &cm_t3517_hecc_pdata,
114 },
115};
116
117static void cm_t3517_init_hecc(void)
118{
119 platform_device_register(&cm_t3517_hecc_device);
120}
121#else
122static inline void cm_t3517_init_hecc(void) {}
123#endif
124
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125#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
126#define RTC_IO_GPIO (153)
127#define RTC_WR_GPIO (154)
fec5568c 128#define RTC_RD_GPIO (53)
46893a56 129#define RTC_CS_GPIO (163)
fec5568c 130#define RTC_CS_EN_GPIO (160)
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131
132struct v3020_platform_data cm_t3517_v3020_pdata = {
133 .use_gpio = 1,
134 .gpio_cs = RTC_CS_GPIO,
135 .gpio_wr = RTC_WR_GPIO,
136 .gpio_rd = RTC_RD_GPIO,
137 .gpio_io = RTC_IO_GPIO,
138};
139
140static struct platform_device cm_t3517_rtc_device = {
141 .name = "v3020",
142 .id = -1,
143 .dev = {
144 .platform_data = &cm_t3517_v3020_pdata,
145 }
146};
147
148static void __init cm_t3517_init_rtc(void)
149{
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150 int err;
151
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152 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
153 "rtc cs en");
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154 if (err) {
155 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
156 return;
157 }
158
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159 platform_device_register(&cm_t3517_rtc_device);
160}
161#else
162static inline void cm_t3517_init_rtc(void) {}
163#endif
d04b620e 164
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165#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
166#define HSUSB1_RESET_GPIO (146)
167#define HSUSB2_RESET_GPIO (147)
168#define USB_HUB_RESET_GPIO (152)
169
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170static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = {
171 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
172 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
173 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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174
175 .phy_reset = true,
176 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
177 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
178 .reset_gpio_port[2] = -EINVAL,
179};
180
026fe79d 181static int __init cm_t3517_init_usbh(void)
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182{
183 int err;
184
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185 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
186 "usb hub rst");
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187 if (err) {
188 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
189 } else {
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190 udelay(10);
191 gpio_set_value(USB_HUB_RESET_GPIO, 1);
192 msleep(1);
193 }
194
9e64bb1e 195 usbhs_init(&cm_t3517_ehci_pdata);
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196
197 return 0;
198}
199#else
200static inline int cm_t3517_init_usbh(void)
201{
202 return 0;
203}
204#endif
205
ec34fccd 206#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
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207static struct mtd_partition cm_t3517_nand_partitions[] = {
208 {
209 .name = "xloader",
210 .offset = 0, /* Offset = 0x00000 */
211 .size = 4 * NAND_BLOCK_SIZE,
212 .mask_flags = MTD_WRITEABLE
213 },
214 {
215 .name = "uboot",
216 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
217 .size = 15 * NAND_BLOCK_SIZE,
218 },
219 {
220 .name = "uboot environment",
221 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
222 .size = 2 * NAND_BLOCK_SIZE,
223 },
224 {
225 .name = "linux",
2216b436 226 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
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227 .size = 32 * NAND_BLOCK_SIZE,
228 },
229 {
230 .name = "rootfs",
2216b436 231 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
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232 .size = MTDPART_SIZ_FULL,
233 },
234};
235
236static struct omap_nand_platform_data cm_t3517_nand_data = {
237 .parts = cm_t3517_nand_partitions,
238 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
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239 .cs = 0,
240};
241
242static void __init cm_t3517_init_nand(void)
243{
244 if (gpmc_nand_init(&cm_t3517_nand_data) < 0)
245 pr_err("CM-T3517: NAND initialization failed\n");
246}
247#else
248static inline void cm_t3517_init_nand(void) {}
249#endif
250
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251static struct omap_board_config_kernel cm_t3517_config[] __initdata = {
252};
253
3dc3bad6 254static void __init cm_t3517_init_early(void)
d04b620e 255{
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256 omap2_init_common_infrastructure();
257 omap2_init_common_devices(NULL, NULL);
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258}
259
c7ecea24 260#ifdef CONFIG_OMAP_MUX
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261static struct omap_board_mux board_mux[] __initdata = {
262 /* GPIO186 - Green LED */
263 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
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264
265 /* RTC GPIOs: */
266 /* IO - GPIO153 */
46893a56 267 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
fec5568c 268 /* WR# - GPIO154 */
46893a56 269 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
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270 /* RD# - GPIO53 */
271 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
272 /* CS# - GPIO163 */
46893a56 273 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
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274 /* CS EN - GPIO160 */
275 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
276
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277 /* HSUSB1 RESET */
278 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
279 /* HSUSB2 RESET */
280 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
281 /* CM-T3517 USB HUB nRESET */
282 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
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283
284 { .reg_offset = OMAP_MUX_TERMINATOR },
285};
c7ecea24 286#endif
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287
288static void __init cm_t3517_init(void)
289{
290 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
291 omap_serial_init();
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292 omap_board_config = cm_t3517_config;
293 omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
d04b620e 294 cm_t3517_init_leds();
ec34fccd 295 cm_t3517_init_nand();
46893a56 296 cm_t3517_init_rtc();
525d75b3 297 cm_t3517_init_usbh();
b6a26b4b 298 cm_t3517_init_hecc();
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299}
300
301MACHINE_START(CM_T3517, "Compulab CM-T3517")
d04b620e 302 .boot_params = 0x80000100,
d04b620e 303 .reserve = omap_reserve,
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304 .map_io = omap3_map_io,
305 .init_early = cm_t3517_init_early,
741e3a89 306 .init_irq = omap3_init_irq,
d04b620e 307 .init_machine = cm_t3517_init,
e74984e4 308 .timer = &omap3_timer,
d04b620e 309MACHINE_END
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