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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> | |
4e65331c | 42 | #include "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" |
1704bf15 | 51 | #include "common-board-devices.h" |
dedd5bd3 | 52 | #include "am35xx-emac.h" |
d04b620e IG |
53 | |
54 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) | |
55 | static struct gpio_led cm_t3517_leds[] = { | |
56 | [0] = { | |
57 | .gpio = 186, | |
58 | .name = "cm-t3517:green", | |
59 | .default_trigger = "heartbeat", | |
60 | .active_low = 0, | |
61 | }, | |
62 | }; | |
63 | ||
64 | static struct gpio_led_platform_data cm_t3517_led_pdata = { | |
65 | .num_leds = ARRAY_SIZE(cm_t3517_leds), | |
66 | .leds = cm_t3517_leds, | |
67 | }; | |
68 | ||
69 | static struct platform_device cm_t3517_led_device = { | |
70 | .name = "leds-gpio", | |
71 | .id = -1, | |
72 | .dev = { | |
73 | .platform_data = &cm_t3517_led_pdata, | |
74 | }, | |
75 | }; | |
76 | ||
77 | static void __init cm_t3517_init_leds(void) | |
78 | { | |
79 | platform_device_register(&cm_t3517_led_device); | |
80 | } | |
81 | #else | |
82 | static inline void cm_t3517_init_leds(void) {} | |
83 | #endif | |
84 | ||
b6a26b4b IG |
85 | #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE) |
86 | static struct resource cm_t3517_hecc_resources[] = { | |
87 | { | |
88 | .start = AM35XX_IPSS_HECC_BASE, | |
89 | .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1, | |
90 | .flags = IORESOURCE_MEM, | |
91 | }, | |
92 | { | |
93 | .start = INT_35XX_HECC0_IRQ, | |
94 | .end = INT_35XX_HECC0_IRQ, | |
95 | .flags = IORESOURCE_IRQ, | |
96 | }, | |
97 | }; | |
98 | ||
99 | static struct ti_hecc_platform_data cm_t3517_hecc_pdata = { | |
100 | .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, | |
101 | .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, | |
102 | .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, | |
103 | .mbx_offset = AM35XX_HECC_MBOX_OFFSET, | |
104 | .int_line = AM35XX_HECC_INT_LINE, | |
105 | .version = AM35XX_HECC_VERSION, | |
106 | }; | |
107 | ||
108 | static struct platform_device cm_t3517_hecc_device = { | |
109 | .name = "ti_hecc", | |
110 | .id = 1, | |
111 | .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources), | |
112 | .resource = cm_t3517_hecc_resources, | |
113 | .dev = { | |
114 | .platform_data = &cm_t3517_hecc_pdata, | |
115 | }, | |
116 | }; | |
117 | ||
118 | static void cm_t3517_init_hecc(void) | |
119 | { | |
120 | platform_device_register(&cm_t3517_hecc_device); | |
121 | } | |
122 | #else | |
123 | static inline void cm_t3517_init_hecc(void) {} | |
124 | #endif | |
125 | ||
46893a56 IG |
126 | #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) |
127 | #define RTC_IO_GPIO (153) | |
128 | #define RTC_WR_GPIO (154) | |
fec5568c | 129 | #define RTC_RD_GPIO (53) |
46893a56 | 130 | #define RTC_CS_GPIO (163) |
fec5568c | 131 | #define RTC_CS_EN_GPIO (160) |
46893a56 IG |
132 | |
133 | struct v3020_platform_data cm_t3517_v3020_pdata = { | |
134 | .use_gpio = 1, | |
135 | .gpio_cs = RTC_CS_GPIO, | |
136 | .gpio_wr = RTC_WR_GPIO, | |
137 | .gpio_rd = RTC_RD_GPIO, | |
138 | .gpio_io = RTC_IO_GPIO, | |
139 | }; | |
140 | ||
141 | static struct platform_device cm_t3517_rtc_device = { | |
142 | .name = "v3020", | |
143 | .id = -1, | |
144 | .dev = { | |
145 | .platform_data = &cm_t3517_v3020_pdata, | |
146 | } | |
147 | }; | |
148 | ||
149 | static void __init cm_t3517_init_rtc(void) | |
150 | { | |
fec5568c IG |
151 | int err; |
152 | ||
bc593f5d IG |
153 | err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH, |
154 | "rtc cs en"); | |
fec5568c IG |
155 | if (err) { |
156 | pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err); | |
157 | return; | |
158 | } | |
159 | ||
46893a56 IG |
160 | platform_device_register(&cm_t3517_rtc_device); |
161 | } | |
162 | #else | |
163 | static inline void cm_t3517_init_rtc(void) {} | |
164 | #endif | |
d04b620e | 165 | |
525d75b3 IG |
166 | #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) |
167 | #define HSUSB1_RESET_GPIO (146) | |
168 | #define HSUSB2_RESET_GPIO (147) | |
169 | #define USB_HUB_RESET_GPIO (152) | |
170 | ||
181b250c KM |
171 | static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = { |
172 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, | |
173 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, | |
174 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, | |
525d75b3 IG |
175 | |
176 | .phy_reset = true, | |
177 | .reset_gpio_port[0] = HSUSB1_RESET_GPIO, | |
178 | .reset_gpio_port[1] = HSUSB2_RESET_GPIO, | |
179 | .reset_gpio_port[2] = -EINVAL, | |
180 | }; | |
181 | ||
026fe79d | 182 | static int __init cm_t3517_init_usbh(void) |
525d75b3 IG |
183 | { |
184 | int err; | |
185 | ||
bc593f5d IG |
186 | err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW, |
187 | "usb hub rst"); | |
525d75b3 IG |
188 | if (err) { |
189 | pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err); | |
190 | } else { | |
525d75b3 IG |
191 | udelay(10); |
192 | gpio_set_value(USB_HUB_RESET_GPIO, 1); | |
193 | msleep(1); | |
194 | } | |
195 | ||
9e64bb1e | 196 | usbhs_init(&cm_t3517_ehci_pdata); |
525d75b3 IG |
197 | |
198 | return 0; | |
199 | } | |
200 | #else | |
201 | static inline int cm_t3517_init_usbh(void) | |
202 | { | |
203 | return 0; | |
204 | } | |
205 | #endif | |
206 | ||
ec34fccd | 207 | #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) |
ec34fccd IG |
208 | static struct mtd_partition cm_t3517_nand_partitions[] = { |
209 | { | |
210 | .name = "xloader", | |
211 | .offset = 0, /* Offset = 0x00000 */ | |
212 | .size = 4 * NAND_BLOCK_SIZE, | |
213 | .mask_flags = MTD_WRITEABLE | |
214 | }, | |
215 | { | |
216 | .name = "uboot", | |
217 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
218 | .size = 15 * NAND_BLOCK_SIZE, | |
219 | }, | |
220 | { | |
221 | .name = "uboot environment", | |
222 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
223 | .size = 2 * NAND_BLOCK_SIZE, | |
224 | }, | |
225 | { | |
226 | .name = "linux", | |
2216b436 | 227 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */ |
ec34fccd IG |
228 | .size = 32 * NAND_BLOCK_SIZE, |
229 | }, | |
230 | { | |
231 | .name = "rootfs", | |
2216b436 | 232 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */ |
ec34fccd IG |
233 | .size = MTDPART_SIZ_FULL, |
234 | }, | |
235 | }; | |
236 | ||
237 | static struct omap_nand_platform_data cm_t3517_nand_data = { | |
238 | .parts = cm_t3517_nand_partitions, | |
239 | .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions), | |
ec34fccd IG |
240 | .cs = 0, |
241 | }; | |
242 | ||
243 | static void __init cm_t3517_init_nand(void) | |
244 | { | |
245 | if (gpmc_nand_init(&cm_t3517_nand_data) < 0) | |
246 | pr_err("CM-T3517: NAND initialization failed\n"); | |
247 | } | |
248 | #else | |
249 | static inline void cm_t3517_init_nand(void) {} | |
250 | #endif | |
251 | ||
d04b620e IG |
252 | static struct omap_board_config_kernel cm_t3517_config[] __initdata = { |
253 | }; | |
254 | ||
c7ecea24 | 255 | #ifdef CONFIG_OMAP_MUX |
d04b620e IG |
256 | static struct omap_board_mux board_mux[] __initdata = { |
257 | /* GPIO186 - Green LED */ | |
258 | OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
fec5568c IG |
259 | |
260 | /* RTC GPIOs: */ | |
261 | /* IO - GPIO153 */ | |
46893a56 | 262 | OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c | 263 | /* WR# - GPIO154 */ |
46893a56 | 264 | OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c IG |
265 | /* RD# - GPIO53 */ |
266 | OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), | |
267 | /* CS# - GPIO163 */ | |
46893a56 | 268 | OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
fec5568c IG |
269 | /* CS EN - GPIO160 */ |
270 | OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), | |
271 | ||
525d75b3 IG |
272 | /* HSUSB1 RESET */ |
273 | OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
274 | /* HSUSB2 RESET */ | |
275 | OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
276 | /* CM-T3517 USB HUB nRESET */ | |
277 | OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), | |
d04b620e IG |
278 | |
279 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
280 | }; | |
c7ecea24 | 281 | #endif |
d04b620e IG |
282 | |
283 | static void __init cm_t3517_init(void) | |
284 | { | |
285 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | |
286 | omap_serial_init(); | |
a4ca9dbe | 287 | omap_sdrc_init(NULL, NULL); |
e41cccfe TL |
288 | omap_board_config = cm_t3517_config; |
289 | omap_board_config_size = ARRAY_SIZE(cm_t3517_config); | |
d04b620e | 290 | cm_t3517_init_leds(); |
ec34fccd | 291 | cm_t3517_init_nand(); |
46893a56 | 292 | cm_t3517_init_rtc(); |
525d75b3 | 293 | cm_t3517_init_usbh(); |
b6a26b4b | 294 | cm_t3517_init_hecc(); |
dedd5bd3 | 295 | am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1); |
d04b620e IG |
296 | } |
297 | ||
298 | MACHINE_START(CM_T3517, "Compulab CM-T3517") | |
5e52b435 | 299 | .atag_offset = 0x100, |
d04b620e | 300 | .reserve = omap_reserve, |
3dc3bad6 | 301 | .map_io = omap3_map_io, |
8f5b5a41 | 302 | .init_early = am35xx_init_early, |
741e3a89 | 303 | .init_irq = omap3_init_irq, |
6b2f55d7 | 304 | .handle_irq = omap3_intc_handle_irq, |
d04b620e | 305 | .init_machine = cm_t3517_init, |
bbd707ac | 306 | .init_late = am35xx_init_late, |
e74984e4 | 307 | .timer = &omap3_timer, |
baa95883 | 308 | .restart = omap_prcm_restart, |
d04b620e | 309 | MACHINE_END |