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95a3477f KH |
1 | /* |
2 | * TI DaVinci EVM board support | |
3 | * | |
4 | * Author: Kevin Hilman, Deep Root Systems, LLC | |
5 | * | |
6 | * 2007 (c) MontaVista Software, Inc. This file is licensed under | |
7 | * the terms of the GNU General Public License version 2. This program | |
8 | * is licensed "as is" without any warranty of any kind, whether express | |
9 | * or implied. | |
10 | */ | |
11 | #include <linux/kernel.h> | |
95a3477f | 12 | #include <linux/init.h> |
42d399e4 | 13 | #include <linux/err.h> |
95a3477f KH |
14 | #include <linux/platform_device.h> |
15 | #include <linux/mtd/mtd.h> | |
16 | #include <linux/mtd/partitions.h> | |
17 | #include <linux/mtd/nand.h> | |
18 | #include <linux/i2c.h> | |
95a3477f KH |
19 | #include <linux/gpio.h> |
20 | #include <linux/clk.h> | |
51e68e27 MK |
21 | #include <linux/videodev2.h> |
22 | #include <media/tvp514x.h> | |
95a3477f KH |
23 | #include <linux/spi/spi.h> |
24 | #include <linux/spi/eeprom.h> | |
25 | ||
95a3477f KH |
26 | #include <asm/mach-types.h> |
27 | #include <asm/mach/arch.h> | |
95a3477f | 28 | |
ec2a0833 | 29 | #include <linux/platform_data/i2c-davinci.h> |
95a3477f | 30 | #include <mach/serial.h> |
ec2a0833 AB |
31 | #include <linux/platform_data/mtd-davinci.h> |
32 | #include <linux/platform_data/mmc-davinci.h> | |
33 | #include <linux/platform_data/usb-davinci.h> | |
95a3477f | 34 | |
39c6d2d1 MH |
35 | #include "davinci.h" |
36 | ||
95a3477f KH |
37 | /* NOTE: this is geared for the standard config, with a socketed |
38 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you | |
39 | * swap chips, maybe with a different block size, partitioning may | |
40 | * need to be changed. | |
41 | */ | |
42 | #define NAND_BLOCK_SIZE SZ_128K | |
43 | ||
44 | static struct mtd_partition davinci_nand_partitions[] = { | |
45 | { | |
46 | /* UBL (a few copies) plus U-Boot */ | |
47 | .name = "bootloader", | |
48 | .offset = 0, | |
49 | .size = 15 * NAND_BLOCK_SIZE, | |
50 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
51 | }, { | |
52 | /* U-Boot environment */ | |
53 | .name = "params", | |
54 | .offset = MTDPART_OFS_APPEND, | |
55 | .size = 1 * NAND_BLOCK_SIZE, | |
56 | .mask_flags = 0, | |
57 | }, { | |
58 | .name = "kernel", | |
59 | .offset = MTDPART_OFS_APPEND, | |
60 | .size = SZ_4M, | |
61 | .mask_flags = 0, | |
62 | }, { | |
63 | .name = "filesystem1", | |
64 | .offset = MTDPART_OFS_APPEND, | |
65 | .size = SZ_512M, | |
66 | .mask_flags = 0, | |
67 | }, { | |
68 | .name = "filesystem2", | |
69 | .offset = MTDPART_OFS_APPEND, | |
70 | .size = MTDPART_SIZ_FULL, | |
71 | .mask_flags = 0, | |
72 | } | |
73 | /* two blocks with bad block table (and mirror) at the end */ | |
74 | }; | |
75 | ||
76 | static struct davinci_nand_pdata davinci_nand_data = { | |
77 | .mask_chipsel = BIT(14), | |
78 | .parts = davinci_nand_partitions, | |
79 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), | |
74c987a0 | 80 | .ecc_mode = NAND_ECC_HW, |
bb9ebd4e | 81 | .bbt_options = NAND_BBT_USE_FLASH, |
74c987a0 | 82 | .ecc_bits = 4, |
95a3477f KH |
83 | }; |
84 | ||
85 | static struct resource davinci_nand_resources[] = { | |
86 | { | |
70342174 SS |
87 | .start = DM355_ASYNC_EMIF_DATA_CE0_BASE, |
88 | .end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, | |
95a3477f KH |
89 | .flags = IORESOURCE_MEM, |
90 | }, { | |
70342174 SS |
91 | .start = DM355_ASYNC_EMIF_CONTROL_BASE, |
92 | .end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, | |
95a3477f KH |
93 | .flags = IORESOURCE_MEM, |
94 | }, | |
95 | }; | |
96 | ||
97 | static struct platform_device davinci_nand_device = { | |
98 | .name = "davinci_nand", | |
99 | .id = 0, | |
100 | ||
101 | .num_resources = ARRAY_SIZE(davinci_nand_resources), | |
102 | .resource = davinci_nand_resources, | |
103 | ||
104 | .dev = { | |
105 | .platform_data = &davinci_nand_data, | |
106 | }, | |
107 | }; | |
108 | ||
109 | static struct davinci_i2c_platform_data i2c_pdata = { | |
110 | .bus_freq = 400 /* kHz */, | |
111 | .bus_delay = 0 /* usec */, | |
00642f66 PJ |
112 | .sda_pin = 15, |
113 | .scl_pin = 14, | |
95a3477f KH |
114 | }; |
115 | ||
61aa0732 | 116 | static struct snd_platform_data dm355_evm_snd_data; |
25acf553 | 117 | |
95a3477f KH |
118 | static int dm355evm_mmc_gpios = -EINVAL; |
119 | ||
120 | static void dm355evm_mmcsd_gpios(unsigned gpio) | |
121 | { | |
122 | gpio_request(gpio + 0, "mmc0_ro"); | |
123 | gpio_request(gpio + 1, "mmc0_cd"); | |
124 | gpio_request(gpio + 2, "mmc1_ro"); | |
125 | gpio_request(gpio + 3, "mmc1_cd"); | |
126 | ||
127 | /* we "know" these are input-only so we don't | |
128 | * need to call gpio_direction_input() | |
129 | */ | |
130 | ||
131 | dm355evm_mmc_gpios = gpio; | |
132 | } | |
133 | ||
134 | static struct i2c_board_info dm355evm_i2c_info[] = { | |
51e68e27 | 135 | { I2C_BOARD_INFO("dm355evm_msp", 0x25), |
95a3477f | 136 | .platform_data = dm355evm_mmcsd_gpios, |
51e68e27 MK |
137 | }, |
138 | /* { plus irq }, */ | |
1a7ff8ff | 139 | { I2C_BOARD_INFO("tlv320aic33", 0x1b), }, |
95a3477f KH |
140 | }; |
141 | ||
142 | static void __init evm_init_i2c(void) | |
143 | { | |
144 | davinci_init_i2c(&i2c_pdata); | |
145 | ||
146 | gpio_request(5, "dm355evm_msp"); | |
147 | gpio_direction_input(5); | |
148 | dm355evm_i2c_info[0].irq = gpio_to_irq(5); | |
149 | ||
150 | i2c_register_board_info(1, dm355evm_i2c_info, | |
151 | ARRAY_SIZE(dm355evm_i2c_info)); | |
152 | } | |
153 | ||
154 | static struct resource dm355evm_dm9000_rsrc[] = { | |
155 | { | |
156 | /* addr */ | |
157 | .start = 0x04014000, | |
158 | .end = 0x04014001, | |
159 | .flags = IORESOURCE_MEM, | |
160 | }, { | |
161 | /* data */ | |
162 | .start = 0x04014002, | |
163 | .end = 0x04014003, | |
164 | .flags = IORESOURCE_MEM, | |
165 | }, { | |
166 | .flags = IORESOURCE_IRQ | |
167 | | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */, | |
168 | }, | |
169 | }; | |
170 | ||
171 | static struct platform_device dm355evm_dm9000 = { | |
172 | .name = "dm9000", | |
173 | .id = -1, | |
174 | .resource = dm355evm_dm9000_rsrc, | |
175 | .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), | |
176 | }; | |
177 | ||
51e68e27 MK |
178 | static struct tvp514x_platform_data tvp5146_pdata = { |
179 | .clk_polarity = 0, | |
180 | .hs_polarity = 1, | |
181 | .vs_polarity = 1 | |
182 | }; | |
183 | ||
184 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | |
185 | /* Inputs available at the TVP5146 */ | |
186 | static struct v4l2_input tvp5146_inputs[] = { | |
187 | { | |
188 | .index = 0, | |
189 | .name = "Composite", | |
190 | .type = V4L2_INPUT_TYPE_CAMERA, | |
191 | .std = TVP514X_STD_ALL, | |
192 | }, | |
193 | { | |
194 | .index = 1, | |
195 | .name = "S-Video", | |
196 | .type = V4L2_INPUT_TYPE_CAMERA, | |
197 | .std = TVP514X_STD_ALL, | |
198 | }, | |
199 | }; | |
200 | ||
201 | /* | |
202 | * this is the route info for connecting each input to decoder | |
203 | * ouput that goes to vpfe. There is a one to one correspondence | |
204 | * with tvp5146_inputs | |
205 | */ | |
206 | static struct vpfe_route tvp5146_routes[] = { | |
207 | { | |
208 | .input = INPUT_CVBS_VI2B, | |
209 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
210 | }, | |
211 | { | |
212 | .input = INPUT_SVIDEO_VI2C_VI1C, | |
213 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
214 | }, | |
215 | }; | |
216 | ||
217 | static struct vpfe_subdev_info vpfe_sub_devs[] = { | |
218 | { | |
219 | .name = "tvp5146", | |
220 | .grp_id = 0, | |
221 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), | |
222 | .inputs = tvp5146_inputs, | |
223 | .routes = tvp5146_routes, | |
224 | .can_route = 1, | |
225 | .ccdc_if_params = { | |
226 | .if_type = VPFE_BT656, | |
227 | .hdpol = VPFE_PINPOL_POSITIVE, | |
228 | .vdpol = VPFE_PINPOL_POSITIVE, | |
229 | }, | |
230 | .board_info = { | |
231 | I2C_BOARD_INFO("tvp5146", 0x5d), | |
232 | .platform_data = &tvp5146_pdata, | |
233 | }, | |
234 | } | |
235 | }; | |
236 | ||
237 | static struct vpfe_config vpfe_cfg = { | |
238 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), | |
077639f4 | 239 | .i2c_adapter_id = 1, |
51e68e27 MK |
240 | .sub_devs = vpfe_sub_devs, |
241 | .card_name = "DM355 EVM", | |
242 | .ccdc = "DM355 CCDC", | |
243 | }; | |
244 | ||
95a3477f KH |
245 | static struct platform_device *davinci_evm_devices[] __initdata = { |
246 | &dm355evm_dm9000, | |
247 | &davinci_nand_device, | |
248 | }; | |
249 | ||
250 | static struct davinci_uart_config uart_config __initdata = { | |
251 | .enabled_uarts = (1 << 0), | |
252 | }; | |
253 | ||
254 | static void __init dm355_evm_map_io(void) | |
255 | { | |
51e68e27 MK |
256 | /* setup input configuration for VPFE input devices */ |
257 | dm355_set_vpfe_config(&vpfe_cfg); | |
95a3477f KH |
258 | dm355_init(); |
259 | } | |
260 | ||
2dbf56ae KH |
261 | static int dm355evm_mmc_get_cd(int module) |
262 | { | |
263 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
264 | return -ENXIO; | |
265 | /* low == card present */ | |
266 | return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1); | |
267 | } | |
268 | ||
269 | static int dm355evm_mmc_get_ro(int module) | |
270 | { | |
271 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
272 | return -ENXIO; | |
273 | /* high == card's write protect switch active */ | |
274 | return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0); | |
275 | } | |
276 | ||
277 | static struct davinci_mmc_config dm355evm_mmc_config = { | |
278 | .get_cd = dm355evm_mmc_get_cd, | |
279 | .get_ro = dm355evm_mmc_get_ro, | |
280 | .wires = 4, | |
281 | .max_freq = 50000000, | |
282 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | |
283 | .version = MMC_CTLR_VERSION_1, | |
284 | }; | |
285 | ||
95a3477f KH |
286 | /* Don't connect anything to J10 unless you're only using USB host |
287 | * mode *and* have to do so with some kind of gender-bender. If | |
288 | * you have proper Mini-B or Mini-A cables (or Mini-A adapters) | |
289 | * the ID pin won't need any help. | |
290 | */ | |
291 | #ifdef CONFIG_USB_MUSB_PERIPHERAL | |
292 | #define USB_ID_VALUE 0 /* ID pulled high; *should* float */ | |
293 | #else | |
294 | #define USB_ID_VALUE 1 /* ID pulled low */ | |
295 | #endif | |
296 | ||
297 | static struct spi_eeprom at25640a = { | |
298 | .byte_len = SZ_64K / 8, | |
299 | .name = "at25640a", | |
300 | .page_size = 32, | |
301 | .flags = EE_ADDR2, | |
302 | }; | |
303 | ||
304 | static struct spi_board_info dm355_evm_spi_info[] __initconst = { | |
305 | { | |
306 | .modalias = "at25", | |
307 | .platform_data = &at25640a, | |
308 | .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */ | |
309 | .bus_num = 0, | |
310 | .chip_select = 0, | |
311 | .mode = SPI_MODE_0, | |
312 | }, | |
313 | }; | |
314 | ||
315 | static __init void dm355_evm_init(void) | |
316 | { | |
317 | struct clk *aemif; | |
318 | ||
319 | gpio_request(1, "dm9000"); | |
320 | gpio_direction_input(1); | |
321 | dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1); | |
322 | ||
323 | aemif = clk_get(&dm355evm_dm9000.dev, "aemif"); | |
324 | if (IS_ERR(aemif)) | |
325 | WARN("%s: unable to get AEMIF clock\n", __func__); | |
326 | else | |
b6f1ffed | 327 | clk_prepare_enable(aemif); |
95a3477f KH |
328 | |
329 | platform_add_devices(davinci_evm_devices, | |
330 | ARRAY_SIZE(davinci_evm_devices)); | |
331 | evm_init_i2c(); | |
332 | davinci_serial_init(&uart_config); | |
333 | ||
334 | /* NOTE: NAND flash timings set by the UBL are slower than | |
335 | * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204 | |
336 | * but could be 0x0400008c for about 25% faster page reads. | |
337 | */ | |
338 | ||
339 | gpio_request(2, "usb_id_toggle"); | |
340 | gpio_direction_output(2, USB_ID_VALUE); | |
341 | /* irlml6401 switches over 1A in under 8 msec */ | |
355fb4e3 | 342 | davinci_setup_usb(1000, 8); |
95a3477f | 343 | |
2dbf56ae KH |
344 | davinci_setup_mmc(0, &dm355evm_mmc_config); |
345 | davinci_setup_mmc(1, &dm355evm_mmc_config); | |
346 | ||
95a3477f KH |
347 | dm355_init_spi0(BIT(0), dm355_evm_spi_info, |
348 | ARRAY_SIZE(dm355_evm_spi_info)); | |
25acf553 C |
349 | |
350 | /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */ | |
351 | dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data); | |
95a3477f KH |
352 | } |
353 | ||
95a3477f | 354 | MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") |
e7e56014 | 355 | .atag_offset = 0x100, |
95a3477f | 356 | .map_io = dm355_evm_map_io, |
bd808947 | 357 | .init_irq = davinci_irq_init, |
95a3477f KH |
358 | .timer = &davinci_timer, |
359 | .init_machine = dm355_evm_init, | |
3aa3e840 | 360 | .init_late = davinci_init_late, |
f68deabf | 361 | .dma_zone_size = SZ_128M, |
c6121ddd | 362 | .restart = davinci_restart, |
95a3477f | 363 | MACHINE_END |