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d04b620e IG |
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> |
d04b620e IG |
29 | #include <linux/gpio.h> |
30 | #include <linux/leds.h> | |
46893a56 | 31 | #include <linux/rtc-v3020.h> |
ec34fccd IG |
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> |
d04b620e IG |
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> |
ec34fccd IG |
44 | #include <plat/nand.h> |
45 | #include <plat/gpmc.h> | |
d04b620e | 46 | |
b6a26b4b IG |
47 | #include <mach/am35xx.h> |
48 | ||
d04b620e | 49 | #include "mux.h" |
4814ced5 | 50 | #include "control.h" |
d04b620e IG |
51 | |
52 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) | |
53 | static struct gpio_led cm_t3517_leds[] = { | |
54 | [0] = { | |
55 | .gpio = 186, | |
56 | .name = "cm-t3517:green", | |
57 | .default_trigger = "heartbeat", | |
58 | .active_low = 0, | |
59 | }, | |
60 | }; | |
61 | ||
62 | static struct gpio_led_platform_data cm_t3517_led_pdata = { | |
63 | .num_leds = ARRAY_SIZE(cm_t3517_leds), | |
64 | .leds = cm_t3517_leds, | |
65 | }; | |
66 | ||
67 | static struct platform_device cm_t3517_led_device = { | |
68 | .name = "leds-gpio", | |
69 | .id = -1, | |
70 | .dev = { | |
71 | .platform_data = &cm_t3517_led_pdata, | |
72 | }, | |
73 | }; | |
74 | ||
75 | static void __init cm_t3517_init_leds(void) | |
76 | { | |
77 | platform_device_register(&cm_t3517_led_device); | |
78 | } | |
79 | #else | |
80 | static inline void cm_t3517_init_leds(void) {} | |
81 | #endif | |
82 | ||
b6a26b4b IG |
83 | #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE) |
84 | static struct resource cm_t3517_hecc_resources[] = { | |
85 | { | |
86 | .start = AM35XX_IPSS_HECC_BASE, | |
87 | .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1, | |
88 | .flags = IORESOURCE_MEM, | |
89 | }, | |
90 | { | |
91 | .start = INT_35XX_HECC0_IRQ, | |
92 | .end = INT_35XX_HECC0_IRQ, | |
93 | .flags = IORESOURCE_IRQ, | |
94 | }, | |
95 | }; | |
96 | ||
97 | static 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 | ||
106 | static 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 | ||
116 | static void cm_t3517_init_hecc(void) | |
117 | { | |
118 | platform_device_register(&cm_t3517_hecc_device); | |
119 | } | |
120 | #else | |
121 | static inline void cm_t3517_init_hecc(void) {} | |
122 | #endif | |
123 | ||
46893a56 IG |
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) |
46893a56 IG |
130 | |
131 | struct 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 | ||
139 | static 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 | ||
147 | static void __init cm_t3517_init_rtc(void) | |
148 | { | |
fec5568c IG |
149 | int err; |
150 | ||
151 | err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en"); | |
152 | if (err) { | |
153 | pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err); | |
154 | return; | |
155 | } | |
156 | ||
157 | gpio_direction_output(RTC_CS_EN_GPIO, 1); | |
158 | ||
46893a56 IG |
159 | platform_device_register(&cm_t3517_rtc_device); |
160 | } | |
161 | #else | |
162 | static inline void cm_t3517_init_rtc(void) {} | |
163 | #endif | |
d04b620e | 164 | |
525d75b3 IG |
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 | ||
170 | static struct ehci_hcd_omap_platform_data cm_t3517_ehci_pdata __initdata = { | |
171 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
172 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
173 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
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 | ||
181 | static int cm_t3517_init_usbh(void) | |
182 | { | |
183 | int err; | |
184 | ||
185 | err = gpio_request(USB_HUB_RESET_GPIO, "usb hub rst"); | |
186 | if (err) { | |
187 | pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err); | |
188 | } else { | |
189 | gpio_direction_output(USB_HUB_RESET_GPIO, 0); | |
190 | udelay(10); | |
191 | gpio_set_value(USB_HUB_RESET_GPIO, 1); | |
192 | msleep(1); | |
193 | } | |
194 | ||
195 | usb_ehci_init(&cm_t3517_ehci_pdata); | |
196 | ||
197 | return 0; | |
198 | } | |
199 | #else | |
200 | static inline int cm_t3517_init_usbh(void) | |
201 | { | |
202 | return 0; | |
203 | } | |
204 | #endif | |
205 | ||
ec34fccd IG |
206 | #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) |
207 | #define NAND_BLOCK_SIZE SZ_128K | |
208 | ||
209 | static struct mtd_partition cm_t3517_nand_partitions[] = { | |
210 | { | |
211 | .name = "xloader", | |
212 | .offset = 0, /* Offset = 0x00000 */ | |
213 | .size = 4 * NAND_BLOCK_SIZE, | |
214 | .mask_flags = MTD_WRITEABLE | |
215 | }, | |
216 | { | |
217 | .name = "uboot", | |
218 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
219 | .size = 15 * NAND_BLOCK_SIZE, | |
220 | }, | |
221 | { | |
222 | .name = "uboot environment", | |
223 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
224 | .size = 2 * NAND_BLOCK_SIZE, | |
225 | }, | |
226 | { | |
227 | .name = "linux", | |
2216b436 | 228 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */ |
ec34fccd IG |
229 | .size = 32 * NAND_BLOCK_SIZE, |
230 | }, | |
231 | { | |
232 | .name = "rootfs", | |
2216b436 | 233 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */ |
ec34fccd IG |
234 | .size = MTDPART_SIZ_FULL, |
235 | }, | |
236 | }; | |
237 | ||
238 | static struct omap_nand_platform_data cm_t3517_nand_data = { | |
239 | .parts = cm_t3517_nand_partitions, | |
240 | .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions), | |
241 | .dma_channel = -1, /* disable DMA in OMAP NAND driver */ | |
242 | .cs = 0, | |
243 | }; | |
244 | ||
245 | static void __init cm_t3517_init_nand(void) | |
246 | { | |
247 | if (gpmc_nand_init(&cm_t3517_nand_data) < 0) | |
248 | pr_err("CM-T3517: NAND initialization failed\n"); | |
249 | } | |
250 | #else | |
251 | static inline void cm_t3517_init_nand(void) {} | |
252 | #endif | |
253 | ||
d04b620e IG |
254 | static struct omap_board_config_kernel cm_t3517_config[] __initdata = { |
255 | }; | |
256 | ||
3dc3bad6 | 257 | static void __init cm_t3517_init_early(void) |
d04b620e IG |
258 | { |
259 | omap_board_config = cm_t3517_config; | |
260 | omap_board_config_size = ARRAY_SIZE(cm_t3517_config); | |
261 | ||
4805734b PW |
262 | omap2_init_common_infrastructure(); |
263 | omap2_init_common_devices(NULL, NULL); | |
d04b620e IG |
264 | } |
265 | ||
266 | static struct omap_board_mux board_mux[] __initdata = { | |
267 | /* GPIO186 - Green LED */ | |
268 | OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
fec5568c IG |
269 | |
270 | /* RTC GPIOs: */ | |
271 | /* IO - GPIO153 */ | |
46893a56 | 272 | OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c | 273 | /* WR# - GPIO154 */ |
46893a56 | 274 | OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c IG |
275 | /* RD# - GPIO53 */ |
276 | OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), | |
277 | /* CS# - GPIO163 */ | |
46893a56 | 278 | OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c IG |
279 | /* CS EN - GPIO160 */ |
280 | OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), | |
281 | ||
525d75b3 IG |
282 | /* HSUSB1 RESET */ |
283 | OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
284 | /* HSUSB2 RESET */ | |
285 | OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
286 | /* CM-T3517 USB HUB nRESET */ | |
287 | OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
d04b620e IG |
288 | |
289 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
290 | }; | |
291 | ||
292 | static void __init cm_t3517_init(void) | |
293 | { | |
294 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | |
295 | omap_serial_init(); | |
296 | cm_t3517_init_leds(); | |
ec34fccd | 297 | cm_t3517_init_nand(); |
46893a56 | 298 | cm_t3517_init_rtc(); |
525d75b3 | 299 | cm_t3517_init_usbh(); |
b6a26b4b | 300 | cm_t3517_init_hecc(); |
d04b620e IG |
301 | } |
302 | ||
303 | MACHINE_START(CM_T3517, "Compulab CM-T3517") | |
d04b620e | 304 | .boot_params = 0x80000100, |
d04b620e | 305 | .reserve = omap_reserve, |
3dc3bad6 RKAL |
306 | .map_io = omap3_map_io, |
307 | .init_early = cm_t3517_init_early, | |
308 | .init_irq = omap_init_irq, | |
d04b620e IG |
309 | .init_machine = cm_t3517_init, |
310 | .timer = &omap_timer, | |
311 | MACHINE_END |