Merge branch 'for-rmk/perf' into for-rmk/virt/kvm/core
[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
4e65331c 41#include "common.h"
2203747c 42#include <linux/platform_data/mtd-nand-omap2.h>
3ef5d007 43#include "gpmc.h"
d04b620e 44
4f9ed545 45#include "am35xx.h"
b6a26b4b 46
d04b620e 47#include "mux.h"
4814ced5 48#include "control.h"
1704bf15 49#include "common-board-devices.h"
dedd5bd3 50#include "am35xx-emac.h"
bc3668ea 51#include "gpmc-nand.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 {
7d7e1eba 92 .start = 24 + OMAP_INTC_START,
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93 .flags = IORESOURCE_IRQ,
94 },
95};
96
97static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
98 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
99 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
100 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
101 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
102 .int_line = AM35XX_HECC_INT_LINE,
103 .version = AM35XX_HECC_VERSION,
104};
105
106static struct platform_device cm_t3517_hecc_device = {
107 .name = "ti_hecc",
108 .id = 1,
109 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
110 .resource = cm_t3517_hecc_resources,
111 .dev = {
112 .platform_data = &cm_t3517_hecc_pdata,
113 },
114};
115
116static void cm_t3517_init_hecc(void)
117{
118 platform_device_register(&cm_t3517_hecc_device);
119}
120#else
121static inline void cm_t3517_init_hecc(void) {}
122#endif
123
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124#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
125#define RTC_IO_GPIO (153)
126#define RTC_WR_GPIO (154)
fec5568c 127#define RTC_RD_GPIO (53)
46893a56 128#define RTC_CS_GPIO (163)
fec5568c 129#define RTC_CS_EN_GPIO (160)
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130
131struct v3020_platform_data cm_t3517_v3020_pdata = {
132 .use_gpio = 1,
133 .gpio_cs = RTC_CS_GPIO,
134 .gpio_wr = RTC_WR_GPIO,
135 .gpio_rd = RTC_RD_GPIO,
136 .gpio_io = RTC_IO_GPIO,
137};
138
139static struct platform_device cm_t3517_rtc_device = {
140 .name = "v3020",
141 .id = -1,
142 .dev = {
143 .platform_data = &cm_t3517_v3020_pdata,
144 }
145};
146
147static void __init cm_t3517_init_rtc(void)
148{
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149 int err;
150
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151 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
152 "rtc cs en");
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153 if (err) {
154 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
155 return;
156 }
157
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158 platform_device_register(&cm_t3517_rtc_device);
159}
160#else
161static inline void cm_t3517_init_rtc(void) {}
162#endif
d04b620e 163
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164#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
165#define HSUSB1_RESET_GPIO (146)
166#define HSUSB2_RESET_GPIO (147)
167#define USB_HUB_RESET_GPIO (152)
168
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169static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = {
170 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
171 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
172 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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173
174 .phy_reset = true,
175 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
176 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
177 .reset_gpio_port[2] = -EINVAL,
178};
179
026fe79d 180static int __init cm_t3517_init_usbh(void)
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181{
182 int err;
183
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184 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
185 "usb hub rst");
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186 if (err) {
187 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
188 } else {
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189 udelay(10);
190 gpio_set_value(USB_HUB_RESET_GPIO, 1);
191 msleep(1);
192 }
193
9e64bb1e 194 usbhs_init(&cm_t3517_ehci_pdata);
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195
196 return 0;
197}
198#else
199static inline int cm_t3517_init_usbh(void)
200{
201 return 0;
202}
203#endif
204
ec34fccd 205#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
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206static struct mtd_partition cm_t3517_nand_partitions[] = {
207 {
208 .name = "xloader",
209 .offset = 0, /* Offset = 0x00000 */
210 .size = 4 * NAND_BLOCK_SIZE,
211 .mask_flags = MTD_WRITEABLE
212 },
213 {
214 .name = "uboot",
215 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
216 .size = 15 * NAND_BLOCK_SIZE,
217 },
218 {
219 .name = "uboot environment",
220 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
221 .size = 2 * NAND_BLOCK_SIZE,
222 },
223 {
224 .name = "linux",
2216b436 225 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
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226 .size = 32 * NAND_BLOCK_SIZE,
227 },
228 {
229 .name = "rootfs",
2216b436 230 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
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231 .size = MTDPART_SIZ_FULL,
232 },
233};
234
235static struct omap_nand_platform_data cm_t3517_nand_data = {
236 .parts = cm_t3517_nand_partitions,
237 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
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238 .cs = 0,
239};
240
241static void __init cm_t3517_init_nand(void)
242{
bc3668ea 243 if (gpmc_nand_init(&cm_t3517_nand_data, NULL) < 0)
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244 pr_err("CM-T3517: NAND initialization failed\n");
245}
246#else
247static inline void cm_t3517_init_nand(void) {}
248#endif
249
c7ecea24 250#ifdef CONFIG_OMAP_MUX
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251static struct omap_board_mux board_mux[] __initdata = {
252 /* GPIO186 - Green LED */
253 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
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254
255 /* RTC GPIOs: */
256 /* IO - GPIO153 */
46893a56 257 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
fec5568c 258 /* WR# - GPIO154 */
46893a56 259 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
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260 /* RD# - GPIO53 */
261 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
262 /* CS# - GPIO163 */
46893a56 263 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
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264 /* CS EN - GPIO160 */
265 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
266
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267 /* HSUSB1 RESET */
268 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
269 /* HSUSB2 RESET */
270 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
271 /* CM-T3517 USB HUB nRESET */
272 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
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273
274 { .reg_offset = OMAP_MUX_TERMINATOR },
275};
c7ecea24 276#endif
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277
278static void __init cm_t3517_init(void)
279{
280 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
281 omap_serial_init();
a4ca9dbe 282 omap_sdrc_init(NULL, NULL);
d04b620e 283 cm_t3517_init_leds();
ec34fccd 284 cm_t3517_init_nand();
46893a56 285 cm_t3517_init_rtc();
525d75b3 286 cm_t3517_init_usbh();
b6a26b4b 287 cm_t3517_init_hecc();
dedd5bd3 288 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
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289}
290
291MACHINE_START(CM_T3517, "Compulab CM-T3517")
5e52b435 292 .atag_offset = 0x100,
d04b620e 293 .reserve = omap_reserve,
3dc3bad6 294 .map_io = omap3_map_io,
8f5b5a41 295 .init_early = am35xx_init_early,
741e3a89 296 .init_irq = omap3_init_irq,
6b2f55d7 297 .handle_irq = omap3_intc_handle_irq,
d04b620e 298 .init_machine = cm_t3517_init,
bbd707ac 299 .init_late = am35xx_init_late,
26f01998 300 .timer = &omap3_gp_timer,
187e3e06 301 .restart = omap3xxx_restart,
d04b620e 302MACHINE_END
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