b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* |
| 2 | * TI DaVinci DM644x chip specific setup |
| 3 | * |
| 4 | * Author: Kevin Hilman, Deep Root Systems, LLC |
| 5 | * |
| 6 | * 2007 (c) Deep Root Systems, LLC. 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 | |
| 12 | #include <linux/clk-provider.h> |
| 13 | #include <linux/clk/davinci.h> |
| 14 | #include <linux/clkdev.h> |
| 15 | #include <linux/dmaengine.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <linux/irqchip/irq-davinci-aintc.h> |
| 19 | #include <linux/platform_data/edma.h> |
| 20 | #include <linux/platform_data/gpio-davinci.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/serial_8250.h> |
| 23 | |
| 24 | #include <asm/mach/map.h> |
| 25 | |
| 26 | #include <mach/common.h> |
| 27 | #include <mach/cputype.h> |
| 28 | #include <mach/mux.h> |
| 29 | #include <mach/serial.h> |
| 30 | |
| 31 | #include <clocksource/timer-davinci.h> |
| 32 | |
| 33 | #include "asp.h" |
| 34 | #include "davinci.h" |
| 35 | #include "irqs.h" |
| 36 | #include "mux.h" |
| 37 | |
| 38 | /* |
| 39 | * Device specific clocks |
| 40 | */ |
| 41 | #define DM644X_REF_FREQ 27000000 |
| 42 | |
| 43 | #define DM644X_EMAC_BASE 0x01c80000 |
| 44 | #define DM644X_EMAC_MDIO_BASE (DM644X_EMAC_BASE + 0x4000) |
| 45 | #define DM644X_EMAC_CNTRL_OFFSET 0x0000 |
| 46 | #define DM644X_EMAC_CNTRL_MOD_OFFSET 0x1000 |
| 47 | #define DM644X_EMAC_CNTRL_RAM_OFFSET 0x2000 |
| 48 | #define DM644X_EMAC_CNTRL_RAM_SIZE 0x2000 |
| 49 | |
| 50 | static struct emac_platform_data dm644x_emac_pdata = { |
| 51 | .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET, |
| 52 | .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET, |
| 53 | .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET, |
| 54 | .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE, |
| 55 | .version = EMAC_VERSION_1, |
| 56 | }; |
| 57 | |
| 58 | static struct resource dm644x_emac_resources[] = { |
| 59 | { |
| 60 | .start = DM644X_EMAC_BASE, |
| 61 | .end = DM644X_EMAC_BASE + SZ_16K - 1, |
| 62 | .flags = IORESOURCE_MEM, |
| 63 | }, |
| 64 | { |
| 65 | .start = DAVINCI_INTC_IRQ(IRQ_EMACINT), |
| 66 | .end = DAVINCI_INTC_IRQ(IRQ_EMACINT), |
| 67 | .flags = IORESOURCE_IRQ, |
| 68 | }, |
| 69 | }; |
| 70 | |
| 71 | static struct platform_device dm644x_emac_device = { |
| 72 | .name = "davinci_emac", |
| 73 | .id = 1, |
| 74 | .dev = { |
| 75 | .platform_data = &dm644x_emac_pdata, |
| 76 | }, |
| 77 | .num_resources = ARRAY_SIZE(dm644x_emac_resources), |
| 78 | .resource = dm644x_emac_resources, |
| 79 | }; |
| 80 | |
| 81 | static struct resource dm644x_mdio_resources[] = { |
| 82 | { |
| 83 | .start = DM644X_EMAC_MDIO_BASE, |
| 84 | .end = DM644X_EMAC_MDIO_BASE + SZ_4K - 1, |
| 85 | .flags = IORESOURCE_MEM, |
| 86 | }, |
| 87 | }; |
| 88 | |
| 89 | static struct platform_device dm644x_mdio_device = { |
| 90 | .name = "davinci_mdio", |
| 91 | .id = 0, |
| 92 | .num_resources = ARRAY_SIZE(dm644x_mdio_resources), |
| 93 | .resource = dm644x_mdio_resources, |
| 94 | }; |
| 95 | |
| 96 | /* |
| 97 | * Device specific mux setup |
| 98 | * |
| 99 | * soc description mux mode mode mux dbg |
| 100 | * reg offset mask mode |
| 101 | */ |
| 102 | static const struct mux_config dm644x_pins[] = { |
| 103 | #ifdef CONFIG_DAVINCI_MUX |
| 104 | MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) |
| 105 | MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) |
| 106 | MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) |
| 107 | |
| 108 | MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true) |
| 109 | |
| 110 | MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true) |
| 111 | MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true) |
| 112 | MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true) |
| 113 | MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true) |
| 114 | MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true) |
| 115 | MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true) |
| 116 | |
| 117 | MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false) |
| 118 | |
| 119 | MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false) |
| 120 | |
| 121 | MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false) |
| 122 | |
| 123 | MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true) |
| 124 | MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true) |
| 125 | |
| 126 | MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false) |
| 127 | |
| 128 | MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false) |
| 129 | |
| 130 | MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false) |
| 131 | |
| 132 | MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false) |
| 133 | MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false) |
| 134 | MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false) |
| 135 | |
| 136 | MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true) |
| 137 | |
| 138 | MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true) |
| 139 | |
| 140 | MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true) |
| 141 | MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false) |
| 142 | MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false) |
| 143 | MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true) |
| 144 | |
| 145 | MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) |
| 146 | |
| 147 | MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) |
| 148 | MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) |
| 149 | #endif |
| 150 | }; |
| 151 | |
| 152 | /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ |
| 153 | static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { |
| 154 | [IRQ_VDINT0] = 2, |
| 155 | [IRQ_VDINT1] = 6, |
| 156 | [IRQ_VDINT2] = 6, |
| 157 | [IRQ_HISTINT] = 6, |
| 158 | [IRQ_H3AINT] = 6, |
| 159 | [IRQ_PRVUINT] = 6, |
| 160 | [IRQ_RSZINT] = 6, |
| 161 | [7] = 7, |
| 162 | [IRQ_VENCINT] = 6, |
| 163 | [IRQ_ASQINT] = 6, |
| 164 | [IRQ_IMXINT] = 6, |
| 165 | [IRQ_VLCDINT] = 6, |
| 166 | [IRQ_USBINT] = 4, |
| 167 | [IRQ_EMACINT] = 4, |
| 168 | [14] = 7, |
| 169 | [15] = 7, |
| 170 | [IRQ_CCINT0] = 5, /* dma */ |
| 171 | [IRQ_CCERRINT] = 5, /* dma */ |
| 172 | [IRQ_TCERRINT0] = 5, /* dma */ |
| 173 | [IRQ_TCERRINT] = 5, /* dma */ |
| 174 | [IRQ_PSCIN] = 7, |
| 175 | [21] = 7, |
| 176 | [IRQ_IDE] = 4, |
| 177 | [23] = 7, |
| 178 | [IRQ_MBXINT] = 7, |
| 179 | [IRQ_MBRINT] = 7, |
| 180 | [IRQ_MMCINT] = 7, |
| 181 | [IRQ_SDIOINT] = 7, |
| 182 | [28] = 7, |
| 183 | [IRQ_DDRINT] = 7, |
| 184 | [IRQ_AEMIFINT] = 7, |
| 185 | [IRQ_VLQINT] = 4, |
| 186 | [IRQ_TINT0_TINT12] = 2, /* clockevent */ |
| 187 | [IRQ_TINT0_TINT34] = 2, /* clocksource */ |
| 188 | [IRQ_TINT1_TINT12] = 7, /* DSP timer */ |
| 189 | [IRQ_TINT1_TINT34] = 7, /* system tick */ |
| 190 | [IRQ_PWMINT0] = 7, |
| 191 | [IRQ_PWMINT1] = 7, |
| 192 | [IRQ_PWMINT2] = 7, |
| 193 | [IRQ_I2C] = 3, |
| 194 | [IRQ_UARTINT0] = 3, |
| 195 | [IRQ_UARTINT1] = 3, |
| 196 | [IRQ_UARTINT2] = 3, |
| 197 | [IRQ_SPINT0] = 3, |
| 198 | [IRQ_SPINT1] = 3, |
| 199 | [45] = 7, |
| 200 | [IRQ_DSP2ARM0] = 4, |
| 201 | [IRQ_DSP2ARM1] = 4, |
| 202 | [IRQ_GPIO0] = 7, |
| 203 | [IRQ_GPIO1] = 7, |
| 204 | [IRQ_GPIO2] = 7, |
| 205 | [IRQ_GPIO3] = 7, |
| 206 | [IRQ_GPIO4] = 7, |
| 207 | [IRQ_GPIO5] = 7, |
| 208 | [IRQ_GPIO6] = 7, |
| 209 | [IRQ_GPIO7] = 7, |
| 210 | [IRQ_GPIOBNK0] = 7, |
| 211 | [IRQ_GPIOBNK1] = 7, |
| 212 | [IRQ_GPIOBNK2] = 7, |
| 213 | [IRQ_GPIOBNK3] = 7, |
| 214 | [IRQ_GPIOBNK4] = 7, |
| 215 | [IRQ_COMMTX] = 7, |
| 216 | [IRQ_COMMRX] = 7, |
| 217 | [IRQ_EMUINT] = 7, |
| 218 | }; |
| 219 | |
| 220 | /*----------------------------------------------------------------------*/ |
| 221 | |
| 222 | static s8 queue_priority_mapping[][2] = { |
| 223 | /* {event queue no, Priority} */ |
| 224 | {0, 3}, |
| 225 | {1, 7}, |
| 226 | {-1, -1}, |
| 227 | }; |
| 228 | |
| 229 | static const struct dma_slave_map dm644x_edma_map[] = { |
| 230 | { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) }, |
| 231 | { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) }, |
| 232 | { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) }, |
| 233 | { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) }, |
| 234 | { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) }, |
| 235 | { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) }, |
| 236 | }; |
| 237 | |
| 238 | static struct edma_soc_info dm644x_edma_pdata = { |
| 239 | .queue_priority_mapping = queue_priority_mapping, |
| 240 | .default_queue = EVENTQ_1, |
| 241 | .slave_map = dm644x_edma_map, |
| 242 | .slavecnt = ARRAY_SIZE(dm644x_edma_map), |
| 243 | }; |
| 244 | |
| 245 | static struct resource edma_resources[] = { |
| 246 | { |
| 247 | .name = "edma3_cc", |
| 248 | .start = 0x01c00000, |
| 249 | .end = 0x01c00000 + SZ_64K - 1, |
| 250 | .flags = IORESOURCE_MEM, |
| 251 | }, |
| 252 | { |
| 253 | .name = "edma3_tc0", |
| 254 | .start = 0x01c10000, |
| 255 | .end = 0x01c10000 + SZ_1K - 1, |
| 256 | .flags = IORESOURCE_MEM, |
| 257 | }, |
| 258 | { |
| 259 | .name = "edma3_tc1", |
| 260 | .start = 0x01c10400, |
| 261 | .end = 0x01c10400 + SZ_1K - 1, |
| 262 | .flags = IORESOURCE_MEM, |
| 263 | }, |
| 264 | { |
| 265 | .name = "edma3_ccint", |
| 266 | .start = DAVINCI_INTC_IRQ(IRQ_CCINT0), |
| 267 | .flags = IORESOURCE_IRQ, |
| 268 | }, |
| 269 | { |
| 270 | .name = "edma3_ccerrint", |
| 271 | .start = DAVINCI_INTC_IRQ(IRQ_CCERRINT), |
| 272 | .flags = IORESOURCE_IRQ, |
| 273 | }, |
| 274 | /* not using TC*_ERR */ |
| 275 | }; |
| 276 | |
| 277 | static const struct platform_device_info dm644x_edma_device __initconst = { |
| 278 | .name = "edma", |
| 279 | .id = 0, |
| 280 | .dma_mask = DMA_BIT_MASK(32), |
| 281 | .res = edma_resources, |
| 282 | .num_res = ARRAY_SIZE(edma_resources), |
| 283 | .data = &dm644x_edma_pdata, |
| 284 | .size_data = sizeof(dm644x_edma_pdata), |
| 285 | }; |
| 286 | |
| 287 | /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */ |
| 288 | static struct resource dm644x_asp_resources[] = { |
| 289 | { |
| 290 | .name = "mpu", |
| 291 | .start = DAVINCI_ASP0_BASE, |
| 292 | .end = DAVINCI_ASP0_BASE + SZ_8K - 1, |
| 293 | .flags = IORESOURCE_MEM, |
| 294 | }, |
| 295 | { |
| 296 | .start = DAVINCI_DMA_ASP0_TX, |
| 297 | .end = DAVINCI_DMA_ASP0_TX, |
| 298 | .flags = IORESOURCE_DMA, |
| 299 | }, |
| 300 | { |
| 301 | .start = DAVINCI_DMA_ASP0_RX, |
| 302 | .end = DAVINCI_DMA_ASP0_RX, |
| 303 | .flags = IORESOURCE_DMA, |
| 304 | }, |
| 305 | }; |
| 306 | |
| 307 | static struct platform_device dm644x_asp_device = { |
| 308 | .name = "davinci-mcbsp", |
| 309 | .id = -1, |
| 310 | .num_resources = ARRAY_SIZE(dm644x_asp_resources), |
| 311 | .resource = dm644x_asp_resources, |
| 312 | }; |
| 313 | |
| 314 | #define DM644X_VPSS_BASE 0x01c73400 |
| 315 | |
| 316 | static struct resource dm644x_vpss_resources[] = { |
| 317 | { |
| 318 | /* VPSS Base address */ |
| 319 | .name = "vpss", |
| 320 | .start = DM644X_VPSS_BASE, |
| 321 | .end = DM644X_VPSS_BASE + 0xff, |
| 322 | .flags = IORESOURCE_MEM, |
| 323 | }, |
| 324 | }; |
| 325 | |
| 326 | static struct platform_device dm644x_vpss_device = { |
| 327 | .name = "vpss", |
| 328 | .id = -1, |
| 329 | .dev.platform_data = "dm644x_vpss", |
| 330 | .num_resources = ARRAY_SIZE(dm644x_vpss_resources), |
| 331 | .resource = dm644x_vpss_resources, |
| 332 | }; |
| 333 | |
| 334 | static struct resource dm644x_vpfe_resources[] = { |
| 335 | { |
| 336 | .start = DAVINCI_INTC_IRQ(IRQ_VDINT0), |
| 337 | .end = DAVINCI_INTC_IRQ(IRQ_VDINT0), |
| 338 | .flags = IORESOURCE_IRQ, |
| 339 | }, |
| 340 | { |
| 341 | .start = DAVINCI_INTC_IRQ(IRQ_VDINT1), |
| 342 | .end = DAVINCI_INTC_IRQ(IRQ_VDINT1), |
| 343 | .flags = IORESOURCE_IRQ, |
| 344 | }, |
| 345 | }; |
| 346 | |
| 347 | static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32); |
| 348 | static struct resource dm644x_ccdc_resource[] = { |
| 349 | /* CCDC Base address */ |
| 350 | { |
| 351 | .start = 0x01c70400, |
| 352 | .end = 0x01c70400 + 0xff, |
| 353 | .flags = IORESOURCE_MEM, |
| 354 | }, |
| 355 | }; |
| 356 | |
| 357 | static struct platform_device dm644x_ccdc_dev = { |
| 358 | .name = "dm644x_ccdc", |
| 359 | .id = -1, |
| 360 | .num_resources = ARRAY_SIZE(dm644x_ccdc_resource), |
| 361 | .resource = dm644x_ccdc_resource, |
| 362 | .dev = { |
| 363 | .dma_mask = &dm644x_video_dma_mask, |
| 364 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 365 | }, |
| 366 | }; |
| 367 | |
| 368 | static struct platform_device dm644x_vpfe_dev = { |
| 369 | .name = CAPTURE_DRV_NAME, |
| 370 | .id = -1, |
| 371 | .num_resources = ARRAY_SIZE(dm644x_vpfe_resources), |
| 372 | .resource = dm644x_vpfe_resources, |
| 373 | .dev = { |
| 374 | .dma_mask = &dm644x_video_dma_mask, |
| 375 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 376 | }, |
| 377 | }; |
| 378 | |
| 379 | #define DM644X_OSD_BASE 0x01c72600 |
| 380 | |
| 381 | static struct resource dm644x_osd_resources[] = { |
| 382 | { |
| 383 | .start = DM644X_OSD_BASE, |
| 384 | .end = DM644X_OSD_BASE + 0x1ff, |
| 385 | .flags = IORESOURCE_MEM, |
| 386 | }, |
| 387 | }; |
| 388 | |
| 389 | static struct platform_device dm644x_osd_dev = { |
| 390 | .name = DM644X_VPBE_OSD_SUBDEV_NAME, |
| 391 | .id = -1, |
| 392 | .num_resources = ARRAY_SIZE(dm644x_osd_resources), |
| 393 | .resource = dm644x_osd_resources, |
| 394 | .dev = { |
| 395 | .dma_mask = &dm644x_video_dma_mask, |
| 396 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 397 | }, |
| 398 | }; |
| 399 | |
| 400 | #define DM644X_VENC_BASE 0x01c72400 |
| 401 | |
| 402 | static struct resource dm644x_venc_resources[] = { |
| 403 | { |
| 404 | .start = DM644X_VENC_BASE, |
| 405 | .end = DM644X_VENC_BASE + 0x17f, |
| 406 | .flags = IORESOURCE_MEM, |
| 407 | }, |
| 408 | }; |
| 409 | |
| 410 | #define DM644X_VPSS_MUXSEL_PLL2_MODE BIT(0) |
| 411 | #define DM644X_VPSS_MUXSEL_VPBECLK_MODE BIT(1) |
| 412 | #define DM644X_VPSS_VENCLKEN BIT(3) |
| 413 | #define DM644X_VPSS_DACCLKEN BIT(4) |
| 414 | |
| 415 | static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, |
| 416 | unsigned int pclock) |
| 417 | { |
| 418 | int ret = 0; |
| 419 | u32 v = DM644X_VPSS_VENCLKEN; |
| 420 | |
| 421 | switch (type) { |
| 422 | case VPBE_ENC_STD: |
| 423 | v |= DM644X_VPSS_DACCLKEN; |
| 424 | writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); |
| 425 | break; |
| 426 | case VPBE_ENC_DV_TIMINGS: |
| 427 | if (pclock <= 27000000) { |
| 428 | v |= DM644X_VPSS_DACCLKEN; |
| 429 | writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); |
| 430 | } else { |
| 431 | /* |
| 432 | * For HD, use external clock source since |
| 433 | * HD requires higher clock rate |
| 434 | */ |
| 435 | v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE; |
| 436 | writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); |
| 437 | } |
| 438 | break; |
| 439 | default: |
| 440 | ret = -EINVAL; |
| 441 | } |
| 442 | |
| 443 | return ret; |
| 444 | } |
| 445 | |
| 446 | static struct resource dm644x_v4l2_disp_resources[] = { |
| 447 | { |
| 448 | .start = DAVINCI_INTC_IRQ(IRQ_VENCINT), |
| 449 | .end = DAVINCI_INTC_IRQ(IRQ_VENCINT), |
| 450 | .flags = IORESOURCE_IRQ, |
| 451 | }, |
| 452 | }; |
| 453 | |
| 454 | static struct platform_device dm644x_vpbe_display = { |
| 455 | .name = "vpbe-v4l2", |
| 456 | .id = -1, |
| 457 | .num_resources = ARRAY_SIZE(dm644x_v4l2_disp_resources), |
| 458 | .resource = dm644x_v4l2_disp_resources, |
| 459 | .dev = { |
| 460 | .dma_mask = &dm644x_video_dma_mask, |
| 461 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 462 | }, |
| 463 | }; |
| 464 | |
| 465 | static struct venc_platform_data dm644x_venc_pdata = { |
| 466 | .setup_clock = dm644x_venc_setup_clock, |
| 467 | }; |
| 468 | |
| 469 | static struct platform_device dm644x_venc_dev = { |
| 470 | .name = DM644X_VPBE_VENC_SUBDEV_NAME, |
| 471 | .id = -1, |
| 472 | .num_resources = ARRAY_SIZE(dm644x_venc_resources), |
| 473 | .resource = dm644x_venc_resources, |
| 474 | .dev = { |
| 475 | .dma_mask = &dm644x_video_dma_mask, |
| 476 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 477 | .platform_data = &dm644x_venc_pdata, |
| 478 | }, |
| 479 | }; |
| 480 | |
| 481 | static struct platform_device dm644x_vpbe_dev = { |
| 482 | .name = "vpbe_controller", |
| 483 | .id = -1, |
| 484 | .dev = { |
| 485 | .dma_mask = &dm644x_video_dma_mask, |
| 486 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 487 | }, |
| 488 | }; |
| 489 | |
| 490 | static struct resource dm644_gpio_resources[] = { |
| 491 | { /* registers */ |
| 492 | .start = DAVINCI_GPIO_BASE, |
| 493 | .end = DAVINCI_GPIO_BASE + SZ_4K - 1, |
| 494 | .flags = IORESOURCE_MEM, |
| 495 | }, |
| 496 | { /* interrupt */ |
| 497 | .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), |
| 498 | .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), |
| 499 | .flags = IORESOURCE_IRQ, |
| 500 | }, |
| 501 | { |
| 502 | .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), |
| 503 | .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), |
| 504 | .flags = IORESOURCE_IRQ, |
| 505 | }, |
| 506 | { |
| 507 | .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), |
| 508 | .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), |
| 509 | .flags = IORESOURCE_IRQ, |
| 510 | }, |
| 511 | { |
| 512 | .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), |
| 513 | .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), |
| 514 | .flags = IORESOURCE_IRQ, |
| 515 | }, |
| 516 | { |
| 517 | .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), |
| 518 | .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), |
| 519 | .flags = IORESOURCE_IRQ, |
| 520 | }, |
| 521 | }; |
| 522 | |
| 523 | static struct davinci_gpio_platform_data dm644_gpio_platform_data = { |
| 524 | .no_auto_base = true, |
| 525 | .base = 0, |
| 526 | .ngpio = 71, |
| 527 | }; |
| 528 | |
| 529 | int __init dm644x_gpio_register(void) |
| 530 | { |
| 531 | return davinci_gpio_register(dm644_gpio_resources, |
| 532 | ARRAY_SIZE(dm644_gpio_resources), |
| 533 | &dm644_gpio_platform_data); |
| 534 | } |
| 535 | /*----------------------------------------------------------------------*/ |
| 536 | |
| 537 | static struct map_desc dm644x_io_desc[] = { |
| 538 | { |
| 539 | .virtual = IO_VIRT, |
| 540 | .pfn = __phys_to_pfn(IO_PHYS), |
| 541 | .length = IO_SIZE, |
| 542 | .type = MT_DEVICE |
| 543 | }, |
| 544 | }; |
| 545 | |
| 546 | /* Contents of JTAG ID register used to identify exact cpu type */ |
| 547 | static struct davinci_id dm644x_ids[] = { |
| 548 | { |
| 549 | .variant = 0x0, |
| 550 | .part_no = 0xb700, |
| 551 | .manufacturer = 0x017, |
| 552 | .cpu_id = DAVINCI_CPU_ID_DM6446, |
| 553 | .name = "dm6446", |
| 554 | }, |
| 555 | { |
| 556 | .variant = 0x1, |
| 557 | .part_no = 0xb700, |
| 558 | .manufacturer = 0x017, |
| 559 | .cpu_id = DAVINCI_CPU_ID_DM6446, |
| 560 | .name = "dm6446a", |
| 561 | }, |
| 562 | }; |
| 563 | |
| 564 | /* |
| 565 | * Bottom half of timer0 is used for clockevent, top half is used for |
| 566 | * clocksource. |
| 567 | */ |
| 568 | static const struct davinci_timer_cfg dm644x_timer_cfg = { |
| 569 | .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K), |
| 570 | .irq = { |
| 571 | DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)), |
| 572 | DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)), |
| 573 | }, |
| 574 | }; |
| 575 | |
| 576 | static struct plat_serial8250_port dm644x_serial0_platform_data[] = { |
| 577 | { |
| 578 | .mapbase = DAVINCI_UART0_BASE, |
| 579 | .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0), |
| 580 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | |
| 581 | UPF_IOREMAP, |
| 582 | .iotype = UPIO_MEM, |
| 583 | .regshift = 2, |
| 584 | }, |
| 585 | { |
| 586 | .flags = 0, |
| 587 | } |
| 588 | }; |
| 589 | static struct plat_serial8250_port dm644x_serial1_platform_data[] = { |
| 590 | { |
| 591 | .mapbase = DAVINCI_UART1_BASE, |
| 592 | .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1), |
| 593 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | |
| 594 | UPF_IOREMAP, |
| 595 | .iotype = UPIO_MEM, |
| 596 | .regshift = 2, |
| 597 | }, |
| 598 | { |
| 599 | .flags = 0, |
| 600 | } |
| 601 | }; |
| 602 | static struct plat_serial8250_port dm644x_serial2_platform_data[] = { |
| 603 | { |
| 604 | .mapbase = DAVINCI_UART2_BASE, |
| 605 | .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT2), |
| 606 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | |
| 607 | UPF_IOREMAP, |
| 608 | .iotype = UPIO_MEM, |
| 609 | .regshift = 2, |
| 610 | }, |
| 611 | { |
| 612 | .flags = 0, |
| 613 | } |
| 614 | }; |
| 615 | |
| 616 | struct platform_device dm644x_serial_device[] = { |
| 617 | { |
| 618 | .name = "serial8250", |
| 619 | .id = PLAT8250_DEV_PLATFORM, |
| 620 | .dev = { |
| 621 | .platform_data = dm644x_serial0_platform_data, |
| 622 | } |
| 623 | }, |
| 624 | { |
| 625 | .name = "serial8250", |
| 626 | .id = PLAT8250_DEV_PLATFORM1, |
| 627 | .dev = { |
| 628 | .platform_data = dm644x_serial1_platform_data, |
| 629 | } |
| 630 | }, |
| 631 | { |
| 632 | .name = "serial8250", |
| 633 | .id = PLAT8250_DEV_PLATFORM2, |
| 634 | .dev = { |
| 635 | .platform_data = dm644x_serial2_platform_data, |
| 636 | } |
| 637 | }, |
| 638 | { |
| 639 | } |
| 640 | }; |
| 641 | |
| 642 | static const struct davinci_soc_info davinci_soc_info_dm644x = { |
| 643 | .io_desc = dm644x_io_desc, |
| 644 | .io_desc_num = ARRAY_SIZE(dm644x_io_desc), |
| 645 | .jtag_id_reg = 0x01c40028, |
| 646 | .ids = dm644x_ids, |
| 647 | .ids_num = ARRAY_SIZE(dm644x_ids), |
| 648 | .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, |
| 649 | .pinmux_pins = dm644x_pins, |
| 650 | .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), |
| 651 | .emac_pdata = &dm644x_emac_pdata, |
| 652 | .sram_dma = 0x00008000, |
| 653 | .sram_len = SZ_16K, |
| 654 | }; |
| 655 | |
| 656 | void __init dm644x_init_asp(void) |
| 657 | { |
| 658 | davinci_cfg_reg(DM644X_MCBSP); |
| 659 | platform_device_register(&dm644x_asp_device); |
| 660 | } |
| 661 | |
| 662 | void __init dm644x_init(void) |
| 663 | { |
| 664 | davinci_common_init(&davinci_soc_info_dm644x); |
| 665 | davinci_map_sysmod(); |
| 666 | } |
| 667 | |
| 668 | void __init dm644x_init_time(void) |
| 669 | { |
| 670 | void __iomem *pll1, *psc; |
| 671 | struct clk *clk; |
| 672 | int rv; |
| 673 | |
| 674 | clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ); |
| 675 | |
| 676 | pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); |
| 677 | dm644x_pll1_init(NULL, pll1, NULL); |
| 678 | |
| 679 | psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); |
| 680 | dm644x_psc_init(NULL, psc); |
| 681 | |
| 682 | clk = clk_get(NULL, "timer0"); |
| 683 | if (WARN_ON(IS_ERR(clk))) { |
| 684 | pr_err("Unable to get the timer clock\n"); |
| 685 | return; |
| 686 | } |
| 687 | |
| 688 | rv = davinci_timer_register(clk, &dm644x_timer_cfg); |
| 689 | WARN(rv, "Unable to register the timer: %d\n", rv); |
| 690 | } |
| 691 | |
| 692 | static struct resource dm644x_pll2_resources[] = { |
| 693 | { |
| 694 | .start = DAVINCI_PLL2_BASE, |
| 695 | .end = DAVINCI_PLL2_BASE + SZ_1K - 1, |
| 696 | .flags = IORESOURCE_MEM, |
| 697 | }, |
| 698 | }; |
| 699 | |
| 700 | static struct platform_device dm644x_pll2_device = { |
| 701 | .name = "dm644x-pll2", |
| 702 | .id = -1, |
| 703 | .resource = dm644x_pll2_resources, |
| 704 | .num_resources = ARRAY_SIZE(dm644x_pll2_resources), |
| 705 | }; |
| 706 | |
| 707 | void __init dm644x_register_clocks(void) |
| 708 | { |
| 709 | /* PLL1 and PSC are registered in dm644x_init_time() */ |
| 710 | platform_device_register(&dm644x_pll2_device); |
| 711 | } |
| 712 | |
| 713 | int __init dm644x_init_video(struct vpfe_config *vpfe_cfg, |
| 714 | struct vpbe_config *vpbe_cfg) |
| 715 | { |
| 716 | if (vpfe_cfg || vpbe_cfg) |
| 717 | platform_device_register(&dm644x_vpss_device); |
| 718 | |
| 719 | if (vpfe_cfg) { |
| 720 | dm644x_vpfe_dev.dev.platform_data = vpfe_cfg; |
| 721 | platform_device_register(&dm644x_ccdc_dev); |
| 722 | platform_device_register(&dm644x_vpfe_dev); |
| 723 | } |
| 724 | |
| 725 | if (vpbe_cfg) { |
| 726 | dm644x_vpbe_dev.dev.platform_data = vpbe_cfg; |
| 727 | platform_device_register(&dm644x_osd_dev); |
| 728 | platform_device_register(&dm644x_venc_dev); |
| 729 | platform_device_register(&dm644x_vpbe_dev); |
| 730 | platform_device_register(&dm644x_vpbe_display); |
| 731 | } |
| 732 | |
| 733 | return 0; |
| 734 | } |
| 735 | |
| 736 | static const struct davinci_aintc_config dm644x_aintc_config = { |
| 737 | .reg = { |
| 738 | .start = DAVINCI_ARM_INTC_BASE, |
| 739 | .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1, |
| 740 | .flags = IORESOURCE_MEM, |
| 741 | }, |
| 742 | .num_irqs = 64, |
| 743 | .prios = dm644x_default_priorities, |
| 744 | }; |
| 745 | |
| 746 | void __init dm644x_init_irq(void) |
| 747 | { |
| 748 | davinci_aintc_init(&dm644x_aintc_config); |
| 749 | } |
| 750 | |
| 751 | void __init dm644x_init_devices(void) |
| 752 | { |
| 753 | struct platform_device *edma_pdev; |
| 754 | int ret; |
| 755 | |
| 756 | edma_pdev = platform_device_register_full(&dm644x_edma_device); |
| 757 | if (IS_ERR(edma_pdev)) |
| 758 | pr_warn("%s: Failed to register eDMA\n", __func__); |
| 759 | |
| 760 | platform_device_register(&dm644x_mdio_device); |
| 761 | platform_device_register(&dm644x_emac_device); |
| 762 | |
| 763 | ret = davinci_init_wdt(); |
| 764 | if (ret) |
| 765 | pr_warn("%s: watchdog init failed: %d\n", __func__, ret); |
| 766 | |
| 767 | } |