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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> | |
12 | #include <linux/module.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/dma-mapping.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/mtd/mtd.h> | |
17 | #include <linux/mtd/partitions.h> | |
18 | #include <linux/mtd/nand.h> | |
19 | #include <linux/i2c.h> | |
20 | #include <linux/io.h> | |
21 | #include <linux/gpio.h> | |
22 | #include <linux/clk.h> | |
51e68e27 MK |
23 | #include <linux/videodev2.h> |
24 | #include <media/tvp514x.h> | |
95a3477f KH |
25 | #include <linux/spi/spi.h> |
26 | #include <linux/spi/eeprom.h> | |
27 | ||
28 | #include <asm/setup.h> | |
29 | #include <asm/mach-types.h> | |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | #include <asm/mach/flash.h> | |
33 | ||
34 | #include <mach/hardware.h> | |
35 | #include <mach/dm355.h> | |
36 | #include <mach/psc.h> | |
37 | #include <mach/common.h> | |
38 | #include <mach/i2c.h> | |
39 | #include <mach/serial.h> | |
40 | #include <mach/nand.h> | |
2dbf56ae | 41 | #include <mach/mmc.h> |
95a3477f KH |
42 | |
43 | #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000 | |
44 | #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 | |
45 | ||
46 | /* NOTE: this is geared for the standard config, with a socketed | |
47 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you | |
48 | * swap chips, maybe with a different block size, partitioning may | |
49 | * need to be changed. | |
50 | */ | |
51 | #define NAND_BLOCK_SIZE SZ_128K | |
52 | ||
53 | static struct mtd_partition davinci_nand_partitions[] = { | |
54 | { | |
55 | /* UBL (a few copies) plus U-Boot */ | |
56 | .name = "bootloader", | |
57 | .offset = 0, | |
58 | .size = 15 * NAND_BLOCK_SIZE, | |
59 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
60 | }, { | |
61 | /* U-Boot environment */ | |
62 | .name = "params", | |
63 | .offset = MTDPART_OFS_APPEND, | |
64 | .size = 1 * NAND_BLOCK_SIZE, | |
65 | .mask_flags = 0, | |
66 | }, { | |
67 | .name = "kernel", | |
68 | .offset = MTDPART_OFS_APPEND, | |
69 | .size = SZ_4M, | |
70 | .mask_flags = 0, | |
71 | }, { | |
72 | .name = "filesystem1", | |
73 | .offset = MTDPART_OFS_APPEND, | |
74 | .size = SZ_512M, | |
75 | .mask_flags = 0, | |
76 | }, { | |
77 | .name = "filesystem2", | |
78 | .offset = MTDPART_OFS_APPEND, | |
79 | .size = MTDPART_SIZ_FULL, | |
80 | .mask_flags = 0, | |
81 | } | |
82 | /* two blocks with bad block table (and mirror) at the end */ | |
83 | }; | |
84 | ||
85 | static struct davinci_nand_pdata davinci_nand_data = { | |
86 | .mask_chipsel = BIT(14), | |
87 | .parts = davinci_nand_partitions, | |
88 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), | |
74c987a0 | 89 | .ecc_mode = NAND_ECC_HW, |
95a3477f | 90 | .options = NAND_USE_FLASH_BBT, |
74c987a0 | 91 | .ecc_bits = 4, |
95a3477f KH |
92 | }; |
93 | ||
94 | static struct resource davinci_nand_resources[] = { | |
95 | { | |
96 | .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, | |
97 | .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, | |
98 | .flags = IORESOURCE_MEM, | |
99 | }, { | |
100 | .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, | |
101 | .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, | |
102 | .flags = IORESOURCE_MEM, | |
103 | }, | |
104 | }; | |
105 | ||
106 | static struct platform_device davinci_nand_device = { | |
107 | .name = "davinci_nand", | |
108 | .id = 0, | |
109 | ||
110 | .num_resources = ARRAY_SIZE(davinci_nand_resources), | |
111 | .resource = davinci_nand_resources, | |
112 | ||
113 | .dev = { | |
114 | .platform_data = &davinci_nand_data, | |
115 | }, | |
116 | }; | |
117 | ||
118 | static struct davinci_i2c_platform_data i2c_pdata = { | |
119 | .bus_freq = 400 /* kHz */, | |
120 | .bus_delay = 0 /* usec */, | |
121 | }; | |
122 | ||
61aa0732 | 123 | static struct snd_platform_data dm355_evm_snd_data; |
25acf553 | 124 | |
95a3477f KH |
125 | static int dm355evm_mmc_gpios = -EINVAL; |
126 | ||
127 | static void dm355evm_mmcsd_gpios(unsigned gpio) | |
128 | { | |
129 | gpio_request(gpio + 0, "mmc0_ro"); | |
130 | gpio_request(gpio + 1, "mmc0_cd"); | |
131 | gpio_request(gpio + 2, "mmc1_ro"); | |
132 | gpio_request(gpio + 3, "mmc1_cd"); | |
133 | ||
134 | /* we "know" these are input-only so we don't | |
135 | * need to call gpio_direction_input() | |
136 | */ | |
137 | ||
138 | dm355evm_mmc_gpios = gpio; | |
139 | } | |
140 | ||
141 | static struct i2c_board_info dm355evm_i2c_info[] = { | |
51e68e27 | 142 | { I2C_BOARD_INFO("dm355evm_msp", 0x25), |
95a3477f | 143 | .platform_data = dm355evm_mmcsd_gpios, |
51e68e27 MK |
144 | }, |
145 | /* { plus irq }, */ | |
1a7ff8ff | 146 | { I2C_BOARD_INFO("tlv320aic33", 0x1b), }, |
95a3477f KH |
147 | }; |
148 | ||
149 | static void __init evm_init_i2c(void) | |
150 | { | |
151 | davinci_init_i2c(&i2c_pdata); | |
152 | ||
153 | gpio_request(5, "dm355evm_msp"); | |
154 | gpio_direction_input(5); | |
155 | dm355evm_i2c_info[0].irq = gpio_to_irq(5); | |
156 | ||
157 | i2c_register_board_info(1, dm355evm_i2c_info, | |
158 | ARRAY_SIZE(dm355evm_i2c_info)); | |
159 | } | |
160 | ||
161 | static struct resource dm355evm_dm9000_rsrc[] = { | |
162 | { | |
163 | /* addr */ | |
164 | .start = 0x04014000, | |
165 | .end = 0x04014001, | |
166 | .flags = IORESOURCE_MEM, | |
167 | }, { | |
168 | /* data */ | |
169 | .start = 0x04014002, | |
170 | .end = 0x04014003, | |
171 | .flags = IORESOURCE_MEM, | |
172 | }, { | |
173 | .flags = IORESOURCE_IRQ | |
174 | | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */, | |
175 | }, | |
176 | }; | |
177 | ||
178 | static struct platform_device dm355evm_dm9000 = { | |
179 | .name = "dm9000", | |
180 | .id = -1, | |
181 | .resource = dm355evm_dm9000_rsrc, | |
182 | .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), | |
183 | }; | |
184 | ||
51e68e27 MK |
185 | static struct tvp514x_platform_data tvp5146_pdata = { |
186 | .clk_polarity = 0, | |
187 | .hs_polarity = 1, | |
188 | .vs_polarity = 1 | |
189 | }; | |
190 | ||
191 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | |
192 | /* Inputs available at the TVP5146 */ | |
193 | static struct v4l2_input tvp5146_inputs[] = { | |
194 | { | |
195 | .index = 0, | |
196 | .name = "Composite", | |
197 | .type = V4L2_INPUT_TYPE_CAMERA, | |
198 | .std = TVP514X_STD_ALL, | |
199 | }, | |
200 | { | |
201 | .index = 1, | |
202 | .name = "S-Video", | |
203 | .type = V4L2_INPUT_TYPE_CAMERA, | |
204 | .std = TVP514X_STD_ALL, | |
205 | }, | |
206 | }; | |
207 | ||
208 | /* | |
209 | * this is the route info for connecting each input to decoder | |
210 | * ouput that goes to vpfe. There is a one to one correspondence | |
211 | * with tvp5146_inputs | |
212 | */ | |
213 | static struct vpfe_route tvp5146_routes[] = { | |
214 | { | |
215 | .input = INPUT_CVBS_VI2B, | |
216 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
217 | }, | |
218 | { | |
219 | .input = INPUT_SVIDEO_VI2C_VI1C, | |
220 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
221 | }, | |
222 | }; | |
223 | ||
224 | static struct vpfe_subdev_info vpfe_sub_devs[] = { | |
225 | { | |
226 | .name = "tvp5146", | |
227 | .grp_id = 0, | |
228 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), | |
229 | .inputs = tvp5146_inputs, | |
230 | .routes = tvp5146_routes, | |
231 | .can_route = 1, | |
232 | .ccdc_if_params = { | |
233 | .if_type = VPFE_BT656, | |
234 | .hdpol = VPFE_PINPOL_POSITIVE, | |
235 | .vdpol = VPFE_PINPOL_POSITIVE, | |
236 | }, | |
237 | .board_info = { | |
238 | I2C_BOARD_INFO("tvp5146", 0x5d), | |
239 | .platform_data = &tvp5146_pdata, | |
240 | }, | |
241 | } | |
242 | }; | |
243 | ||
244 | static struct vpfe_config vpfe_cfg = { | |
245 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), | |
246 | .sub_devs = vpfe_sub_devs, | |
247 | .card_name = "DM355 EVM", | |
248 | .ccdc = "DM355 CCDC", | |
249 | }; | |
250 | ||
95a3477f KH |
251 | static struct platform_device *davinci_evm_devices[] __initdata = { |
252 | &dm355evm_dm9000, | |
253 | &davinci_nand_device, | |
254 | }; | |
255 | ||
256 | static struct davinci_uart_config uart_config __initdata = { | |
257 | .enabled_uarts = (1 << 0), | |
258 | }; | |
259 | ||
260 | static void __init dm355_evm_map_io(void) | |
261 | { | |
51e68e27 MK |
262 | /* setup input configuration for VPFE input devices */ |
263 | dm355_set_vpfe_config(&vpfe_cfg); | |
95a3477f KH |
264 | dm355_init(); |
265 | } | |
266 | ||
2dbf56ae KH |
267 | static int dm355evm_mmc_get_cd(int module) |
268 | { | |
269 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
270 | return -ENXIO; | |
271 | /* low == card present */ | |
272 | return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1); | |
273 | } | |
274 | ||
275 | static int dm355evm_mmc_get_ro(int module) | |
276 | { | |
277 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
278 | return -ENXIO; | |
279 | /* high == card's write protect switch active */ | |
280 | return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0); | |
281 | } | |
282 | ||
283 | static struct davinci_mmc_config dm355evm_mmc_config = { | |
284 | .get_cd = dm355evm_mmc_get_cd, | |
285 | .get_ro = dm355evm_mmc_get_ro, | |
286 | .wires = 4, | |
287 | .max_freq = 50000000, | |
288 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | |
289 | .version = MMC_CTLR_VERSION_1, | |
290 | }; | |
291 | ||
95a3477f KH |
292 | /* Don't connect anything to J10 unless you're only using USB host |
293 | * mode *and* have to do so with some kind of gender-bender. If | |
294 | * you have proper Mini-B or Mini-A cables (or Mini-A adapters) | |
295 | * the ID pin won't need any help. | |
296 | */ | |
297 | #ifdef CONFIG_USB_MUSB_PERIPHERAL | |
298 | #define USB_ID_VALUE 0 /* ID pulled high; *should* float */ | |
299 | #else | |
300 | #define USB_ID_VALUE 1 /* ID pulled low */ | |
301 | #endif | |
302 | ||
303 | static struct spi_eeprom at25640a = { | |
304 | .byte_len = SZ_64K / 8, | |
305 | .name = "at25640a", | |
306 | .page_size = 32, | |
307 | .flags = EE_ADDR2, | |
308 | }; | |
309 | ||
310 | static struct spi_board_info dm355_evm_spi_info[] __initconst = { | |
311 | { | |
312 | .modalias = "at25", | |
313 | .platform_data = &at25640a, | |
314 | .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */ | |
315 | .bus_num = 0, | |
316 | .chip_select = 0, | |
317 | .mode = SPI_MODE_0, | |
318 | }, | |
319 | }; | |
320 | ||
321 | static __init void dm355_evm_init(void) | |
322 | { | |
323 | struct clk *aemif; | |
324 | ||
325 | gpio_request(1, "dm9000"); | |
326 | gpio_direction_input(1); | |
327 | dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1); | |
328 | ||
329 | aemif = clk_get(&dm355evm_dm9000.dev, "aemif"); | |
330 | if (IS_ERR(aemif)) | |
331 | WARN("%s: unable to get AEMIF clock\n", __func__); | |
332 | else | |
333 | clk_enable(aemif); | |
334 | ||
335 | platform_add_devices(davinci_evm_devices, | |
336 | ARRAY_SIZE(davinci_evm_devices)); | |
337 | evm_init_i2c(); | |
338 | davinci_serial_init(&uart_config); | |
339 | ||
340 | /* NOTE: NAND flash timings set by the UBL are slower than | |
341 | * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204 | |
342 | * but could be 0x0400008c for about 25% faster page reads. | |
343 | */ | |
344 | ||
345 | gpio_request(2, "usb_id_toggle"); | |
346 | gpio_direction_output(2, USB_ID_VALUE); | |
347 | /* irlml6401 switches over 1A in under 8 msec */ | |
348 | setup_usb(500, 8); | |
349 | ||
2dbf56ae KH |
350 | davinci_setup_mmc(0, &dm355evm_mmc_config); |
351 | davinci_setup_mmc(1, &dm355evm_mmc_config); | |
352 | ||
95a3477f KH |
353 | dm355_init_spi0(BIT(0), dm355_evm_spi_info, |
354 | ARRAY_SIZE(dm355_evm_spi_info)); | |
25acf553 C |
355 | |
356 | /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */ | |
357 | dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data); | |
95a3477f KH |
358 | } |
359 | ||
360 | static __init void dm355_evm_irq_init(void) | |
361 | { | |
362 | davinci_irq_init(); | |
363 | } | |
364 | ||
365 | MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") | |
366 | .phys_io = IO_PHYS, | |
367 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | |
368 | .boot_params = (0x80000100), | |
369 | .map_io = dm355_evm_map_io, | |
370 | .init_irq = dm355_evm_irq_init, | |
371 | .timer = &davinci_timer, | |
372 | .init_machine = dm355_evm_init, | |
373 | MACHINE_END |