Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-kirkwood/common.c |
| 3 | * |
| 4 | * Core functions for Marvell Kirkwood SoCs |
| 5 | * |
| 6 | * This file is licensed under the terms of the GNU General Public |
| 7 | * License version 2. This program is licensed "as is" without any |
| 8 | * warranty of any kind, whether express or implied. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/platform_device.h> |
| 14 | #include <linux/serial_8250.h> |
| 15 | #include <linux/mbus.h> |
| 16 | #include <linux/mv643xx_eth.h> |
| 17 | #include <linux/ata_platform.h> |
Lennert Buytenhek | 18365d1 | 2008-08-09 15:38:18 +0200 | [diff] [blame] | 18 | #include <linux/spi/orion_spi.h> |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 19 | #include <net/dsa.h> |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 20 | #include <asm/page.h> |
| 21 | #include <asm/timex.h> |
| 22 | #include <asm/mach/map.h> |
| 23 | #include <asm/mach/time.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 24 | #include <mach/kirkwood.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 25 | #include <plat/cache-feroceon-l2.h> |
| 26 | #include <plat/ehci-orion.h> |
Saeed Bishara | 09c0ed2 | 2008-06-23 04:26:07 -1100 | [diff] [blame] | 27 | #include <plat/mv_xor.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 28 | #include <plat/orion_nand.h> |
| 29 | #include <plat/time.h> |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 30 | #include "common.h" |
| 31 | |
| 32 | /***************************************************************************** |
| 33 | * I/O Address Mapping |
| 34 | ****************************************************************************/ |
| 35 | static struct map_desc kirkwood_io_desc[] __initdata = { |
| 36 | { |
| 37 | .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE, |
| 38 | .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE), |
| 39 | .length = KIRKWOOD_PCIE_IO_SIZE, |
| 40 | .type = MT_DEVICE, |
| 41 | }, { |
| 42 | .virtual = KIRKWOOD_REGS_VIRT_BASE, |
| 43 | .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE), |
| 44 | .length = KIRKWOOD_REGS_SIZE, |
| 45 | .type = MT_DEVICE, |
| 46 | }, |
| 47 | }; |
| 48 | |
| 49 | void __init kirkwood_map_io(void) |
| 50 | { |
| 51 | iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | /***************************************************************************** |
| 56 | * EHCI |
| 57 | ****************************************************************************/ |
| 58 | static struct orion_ehci_data kirkwood_ehci_data = { |
| 59 | .dram = &kirkwood_mbus_dram_info, |
Ronen Shitrit | fb6f552 | 2008-09-17 10:08:05 +0300 | [diff] [blame^] | 60 | .phy_version = EHCI_PHY_NA, |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | static u64 ehci_dmamask = 0xffffffffUL; |
| 64 | |
| 65 | |
| 66 | /***************************************************************************** |
| 67 | * EHCI0 |
| 68 | ****************************************************************************/ |
| 69 | static struct resource kirkwood_ehci_resources[] = { |
| 70 | { |
| 71 | .start = USB_PHYS_BASE, |
| 72 | .end = USB_PHYS_BASE + 0x0fff, |
| 73 | .flags = IORESOURCE_MEM, |
| 74 | }, { |
| 75 | .start = IRQ_KIRKWOOD_USB, |
| 76 | .end = IRQ_KIRKWOOD_USB, |
| 77 | .flags = IORESOURCE_IRQ, |
| 78 | }, |
| 79 | }; |
| 80 | |
| 81 | static struct platform_device kirkwood_ehci = { |
| 82 | .name = "orion-ehci", |
| 83 | .id = 0, |
| 84 | .dev = { |
| 85 | .dma_mask = &ehci_dmamask, |
| 86 | .coherent_dma_mask = 0xffffffff, |
| 87 | .platform_data = &kirkwood_ehci_data, |
| 88 | }, |
| 89 | .resource = kirkwood_ehci_resources, |
| 90 | .num_resources = ARRAY_SIZE(kirkwood_ehci_resources), |
| 91 | }; |
| 92 | |
| 93 | void __init kirkwood_ehci_init(void) |
| 94 | { |
| 95 | platform_device_register(&kirkwood_ehci); |
| 96 | } |
| 97 | |
| 98 | |
| 99 | /***************************************************************************** |
| 100 | * GE00 |
| 101 | ****************************************************************************/ |
| 102 | struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = { |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 103 | .dram = &kirkwood_mbus_dram_info, |
| 104 | }; |
| 105 | |
| 106 | static struct resource kirkwood_ge00_shared_resources[] = { |
| 107 | { |
| 108 | .name = "ge00 base", |
| 109 | .start = GE00_PHYS_BASE + 0x2000, |
| 110 | .end = GE00_PHYS_BASE + 0x3fff, |
| 111 | .flags = IORESOURCE_MEM, |
Lennert Buytenhek | 144f814 | 2008-08-26 16:04:05 +0200 | [diff] [blame] | 112 | }, { |
| 113 | .name = "ge00 err irq", |
| 114 | .start = IRQ_KIRKWOOD_GE00_ERR, |
| 115 | .end = IRQ_KIRKWOOD_GE00_ERR, |
| 116 | .flags = IORESOURCE_IRQ, |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 117 | }, |
| 118 | }; |
| 119 | |
| 120 | static struct platform_device kirkwood_ge00_shared = { |
| 121 | .name = MV643XX_ETH_SHARED_NAME, |
| 122 | .id = 0, |
| 123 | .dev = { |
| 124 | .platform_data = &kirkwood_ge00_shared_data, |
| 125 | }, |
Lennert Buytenhek | 144f814 | 2008-08-26 16:04:05 +0200 | [diff] [blame] | 126 | .num_resources = ARRAY_SIZE(kirkwood_ge00_shared_resources), |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 127 | .resource = kirkwood_ge00_shared_resources, |
| 128 | }; |
| 129 | |
| 130 | static struct resource kirkwood_ge00_resources[] = { |
| 131 | { |
| 132 | .name = "ge00 irq", |
| 133 | .start = IRQ_KIRKWOOD_GE00_SUM, |
| 134 | .end = IRQ_KIRKWOOD_GE00_SUM, |
| 135 | .flags = IORESOURCE_IRQ, |
| 136 | }, |
| 137 | }; |
| 138 | |
| 139 | static struct platform_device kirkwood_ge00 = { |
| 140 | .name = MV643XX_ETH_NAME, |
| 141 | .id = 0, |
| 142 | .num_resources = 1, |
| 143 | .resource = kirkwood_ge00_resources, |
| 144 | }; |
| 145 | |
| 146 | void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
| 147 | { |
| 148 | eth_data->shared = &kirkwood_ge00_shared; |
| 149 | kirkwood_ge00.dev.platform_data = eth_data; |
| 150 | |
| 151 | platform_device_register(&kirkwood_ge00_shared); |
| 152 | platform_device_register(&kirkwood_ge00); |
| 153 | } |
| 154 | |
| 155 | |
| 156 | /***************************************************************************** |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 157 | * Ethernet switch |
| 158 | ****************************************************************************/ |
| 159 | static struct resource kirkwood_switch_resources[] = { |
| 160 | { |
| 161 | .start = 0, |
| 162 | .end = 0, |
| 163 | .flags = IORESOURCE_IRQ, |
| 164 | }, |
| 165 | }; |
| 166 | |
| 167 | static struct platform_device kirkwood_switch_device = { |
| 168 | .name = "dsa", |
| 169 | .id = 0, |
| 170 | .num_resources = 0, |
| 171 | .resource = kirkwood_switch_resources, |
| 172 | }; |
| 173 | |
| 174 | void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq) |
| 175 | { |
| 176 | if (irq != NO_IRQ) { |
| 177 | kirkwood_switch_resources[0].start = irq; |
| 178 | kirkwood_switch_resources[0].end = irq; |
| 179 | kirkwood_switch_device.num_resources = 1; |
| 180 | } |
| 181 | |
| 182 | d->mii_bus = &kirkwood_ge00_shared.dev; |
| 183 | d->netdev = &kirkwood_ge00.dev; |
| 184 | kirkwood_switch_device.dev.platform_data = d; |
| 185 | |
| 186 | platform_device_register(&kirkwood_switch_device); |
| 187 | } |
| 188 | |
| 189 | |
| 190 | /***************************************************************************** |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 191 | * SoC RTC |
| 192 | ****************************************************************************/ |
| 193 | static struct resource kirkwood_rtc_resource = { |
| 194 | .start = RTC_PHYS_BASE, |
| 195 | .end = RTC_PHYS_BASE + SZ_16 - 1, |
| 196 | .flags = IORESOURCE_MEM, |
| 197 | }; |
| 198 | |
| 199 | void __init kirkwood_rtc_init(void) |
| 200 | { |
| 201 | platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1); |
| 202 | } |
| 203 | |
| 204 | |
| 205 | /***************************************************************************** |
| 206 | * SATA |
| 207 | ****************************************************************************/ |
| 208 | static struct resource kirkwood_sata_resources[] = { |
| 209 | { |
| 210 | .name = "sata base", |
| 211 | .start = SATA_PHYS_BASE, |
| 212 | .end = SATA_PHYS_BASE + 0x5000 - 1, |
| 213 | .flags = IORESOURCE_MEM, |
| 214 | }, { |
| 215 | .name = "sata irq", |
| 216 | .start = IRQ_KIRKWOOD_SATA, |
| 217 | .end = IRQ_KIRKWOOD_SATA, |
| 218 | .flags = IORESOURCE_IRQ, |
| 219 | }, |
| 220 | }; |
| 221 | |
| 222 | static struct platform_device kirkwood_sata = { |
| 223 | .name = "sata_mv", |
| 224 | .id = 0, |
| 225 | .dev = { |
| 226 | .coherent_dma_mask = 0xffffffff, |
| 227 | }, |
| 228 | .num_resources = ARRAY_SIZE(kirkwood_sata_resources), |
| 229 | .resource = kirkwood_sata_resources, |
| 230 | }; |
| 231 | |
| 232 | void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) |
| 233 | { |
| 234 | sata_data->dram = &kirkwood_mbus_dram_info; |
| 235 | kirkwood_sata.dev.platform_data = sata_data; |
| 236 | platform_device_register(&kirkwood_sata); |
| 237 | } |
| 238 | |
| 239 | |
| 240 | /***************************************************************************** |
Lennert Buytenhek | 18365d1 | 2008-08-09 15:38:18 +0200 | [diff] [blame] | 241 | * SPI |
| 242 | ****************************************************************************/ |
| 243 | static struct orion_spi_info kirkwood_spi_plat_data = { |
Lennert Buytenhek | 18365d1 | 2008-08-09 15:38:18 +0200 | [diff] [blame] | 244 | }; |
| 245 | |
| 246 | static struct resource kirkwood_spi_resources[] = { |
| 247 | { |
| 248 | .start = SPI_PHYS_BASE, |
| 249 | .end = SPI_PHYS_BASE + SZ_512 - 1, |
| 250 | .flags = IORESOURCE_MEM, |
| 251 | }, |
| 252 | }; |
| 253 | |
| 254 | static struct platform_device kirkwood_spi = { |
| 255 | .name = "orion_spi", |
| 256 | .id = 0, |
| 257 | .resource = kirkwood_spi_resources, |
| 258 | .dev = { |
| 259 | .platform_data = &kirkwood_spi_plat_data, |
| 260 | }, |
| 261 | .num_resources = ARRAY_SIZE(kirkwood_spi_resources), |
| 262 | }; |
| 263 | |
| 264 | void __init kirkwood_spi_init() |
| 265 | { |
| 266 | platform_device_register(&kirkwood_spi); |
| 267 | } |
| 268 | |
| 269 | |
| 270 | /***************************************************************************** |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 271 | * UART0 |
| 272 | ****************************************************************************/ |
| 273 | static struct plat_serial8250_port kirkwood_uart0_data[] = { |
| 274 | { |
| 275 | .mapbase = UART0_PHYS_BASE, |
| 276 | .membase = (char *)UART0_VIRT_BASE, |
| 277 | .irq = IRQ_KIRKWOOD_UART_0, |
| 278 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
| 279 | .iotype = UPIO_MEM, |
| 280 | .regshift = 2, |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 281 | .uartclk = 0, |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 282 | }, { |
| 283 | }, |
| 284 | }; |
| 285 | |
| 286 | static struct resource kirkwood_uart0_resources[] = { |
| 287 | { |
| 288 | .start = UART0_PHYS_BASE, |
| 289 | .end = UART0_PHYS_BASE + 0xff, |
| 290 | .flags = IORESOURCE_MEM, |
| 291 | }, { |
| 292 | .start = IRQ_KIRKWOOD_UART_0, |
| 293 | .end = IRQ_KIRKWOOD_UART_0, |
| 294 | .flags = IORESOURCE_IRQ, |
| 295 | }, |
| 296 | }; |
| 297 | |
| 298 | static struct platform_device kirkwood_uart0 = { |
| 299 | .name = "serial8250", |
| 300 | .id = 0, |
| 301 | .dev = { |
| 302 | .platform_data = kirkwood_uart0_data, |
| 303 | }, |
| 304 | .resource = kirkwood_uart0_resources, |
| 305 | .num_resources = ARRAY_SIZE(kirkwood_uart0_resources), |
| 306 | }; |
| 307 | |
| 308 | void __init kirkwood_uart0_init(void) |
| 309 | { |
| 310 | platform_device_register(&kirkwood_uart0); |
| 311 | } |
| 312 | |
| 313 | |
| 314 | /***************************************************************************** |
| 315 | * UART1 |
| 316 | ****************************************************************************/ |
| 317 | static struct plat_serial8250_port kirkwood_uart1_data[] = { |
| 318 | { |
| 319 | .mapbase = UART1_PHYS_BASE, |
| 320 | .membase = (char *)UART1_VIRT_BASE, |
| 321 | .irq = IRQ_KIRKWOOD_UART_1, |
| 322 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
| 323 | .iotype = UPIO_MEM, |
| 324 | .regshift = 2, |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 325 | .uartclk = 0, |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 326 | }, { |
| 327 | }, |
| 328 | }; |
| 329 | |
| 330 | static struct resource kirkwood_uart1_resources[] = { |
| 331 | { |
| 332 | .start = UART1_PHYS_BASE, |
| 333 | .end = UART1_PHYS_BASE + 0xff, |
| 334 | .flags = IORESOURCE_MEM, |
| 335 | }, { |
| 336 | .start = IRQ_KIRKWOOD_UART_1, |
| 337 | .end = IRQ_KIRKWOOD_UART_1, |
| 338 | .flags = IORESOURCE_IRQ, |
| 339 | }, |
| 340 | }; |
| 341 | |
| 342 | static struct platform_device kirkwood_uart1 = { |
| 343 | .name = "serial8250", |
| 344 | .id = 1, |
| 345 | .dev = { |
| 346 | .platform_data = kirkwood_uart1_data, |
| 347 | }, |
| 348 | .resource = kirkwood_uart1_resources, |
| 349 | .num_resources = ARRAY_SIZE(kirkwood_uart1_resources), |
| 350 | }; |
| 351 | |
| 352 | void __init kirkwood_uart1_init(void) |
| 353 | { |
| 354 | platform_device_register(&kirkwood_uart1); |
| 355 | } |
| 356 | |
| 357 | |
| 358 | /***************************************************************************** |
Saeed Bishara | 09c0ed2 | 2008-06-23 04:26:07 -1100 | [diff] [blame] | 359 | * XOR |
| 360 | ****************************************************************************/ |
| 361 | static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = { |
| 362 | .dram = &kirkwood_mbus_dram_info, |
| 363 | }; |
| 364 | |
| 365 | static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK; |
| 366 | |
| 367 | |
| 368 | /***************************************************************************** |
| 369 | * XOR0 |
| 370 | ****************************************************************************/ |
| 371 | static struct resource kirkwood_xor0_shared_resources[] = { |
| 372 | { |
| 373 | .name = "xor 0 low", |
| 374 | .start = XOR0_PHYS_BASE, |
| 375 | .end = XOR0_PHYS_BASE + 0xff, |
| 376 | .flags = IORESOURCE_MEM, |
| 377 | }, { |
| 378 | .name = "xor 0 high", |
| 379 | .start = XOR0_HIGH_PHYS_BASE, |
| 380 | .end = XOR0_HIGH_PHYS_BASE + 0xff, |
| 381 | .flags = IORESOURCE_MEM, |
| 382 | }, |
| 383 | }; |
| 384 | |
| 385 | static struct platform_device kirkwood_xor0_shared = { |
| 386 | .name = MV_XOR_SHARED_NAME, |
| 387 | .id = 0, |
| 388 | .dev = { |
| 389 | .platform_data = &kirkwood_xor_shared_data, |
| 390 | }, |
| 391 | .num_resources = ARRAY_SIZE(kirkwood_xor0_shared_resources), |
| 392 | .resource = kirkwood_xor0_shared_resources, |
| 393 | }; |
| 394 | |
| 395 | static struct resource kirkwood_xor00_resources[] = { |
| 396 | [0] = { |
| 397 | .start = IRQ_KIRKWOOD_XOR_00, |
| 398 | .end = IRQ_KIRKWOOD_XOR_00, |
| 399 | .flags = IORESOURCE_IRQ, |
| 400 | }, |
| 401 | }; |
| 402 | |
| 403 | static struct mv_xor_platform_data kirkwood_xor00_data = { |
| 404 | .shared = &kirkwood_xor0_shared, |
| 405 | .hw_id = 0, |
| 406 | .pool_size = PAGE_SIZE, |
| 407 | }; |
| 408 | |
| 409 | static struct platform_device kirkwood_xor00_channel = { |
| 410 | .name = MV_XOR_NAME, |
| 411 | .id = 0, |
| 412 | .num_resources = ARRAY_SIZE(kirkwood_xor00_resources), |
| 413 | .resource = kirkwood_xor00_resources, |
| 414 | .dev = { |
| 415 | .dma_mask = &kirkwood_xor_dmamask, |
| 416 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 417 | .platform_data = (void *)&kirkwood_xor00_data, |
| 418 | }, |
| 419 | }; |
| 420 | |
| 421 | static struct resource kirkwood_xor01_resources[] = { |
| 422 | [0] = { |
| 423 | .start = IRQ_KIRKWOOD_XOR_01, |
| 424 | .end = IRQ_KIRKWOOD_XOR_01, |
| 425 | .flags = IORESOURCE_IRQ, |
| 426 | }, |
| 427 | }; |
| 428 | |
| 429 | static struct mv_xor_platform_data kirkwood_xor01_data = { |
| 430 | .shared = &kirkwood_xor0_shared, |
| 431 | .hw_id = 1, |
| 432 | .pool_size = PAGE_SIZE, |
| 433 | }; |
| 434 | |
| 435 | static struct platform_device kirkwood_xor01_channel = { |
| 436 | .name = MV_XOR_NAME, |
| 437 | .id = 1, |
| 438 | .num_resources = ARRAY_SIZE(kirkwood_xor01_resources), |
| 439 | .resource = kirkwood_xor01_resources, |
| 440 | .dev = { |
| 441 | .dma_mask = &kirkwood_xor_dmamask, |
| 442 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 443 | .platform_data = (void *)&kirkwood_xor01_data, |
| 444 | }, |
| 445 | }; |
| 446 | |
| 447 | void __init kirkwood_xor0_init(void) |
| 448 | { |
| 449 | platform_device_register(&kirkwood_xor0_shared); |
| 450 | |
| 451 | /* |
| 452 | * two engines can't do memset simultaneously, this limitation |
| 453 | * satisfied by removing memset support from one of the engines. |
| 454 | */ |
| 455 | dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask); |
| 456 | dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask); |
| 457 | platform_device_register(&kirkwood_xor00_channel); |
| 458 | |
| 459 | dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask); |
| 460 | dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask); |
| 461 | dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask); |
| 462 | platform_device_register(&kirkwood_xor01_channel); |
| 463 | } |
| 464 | |
| 465 | |
| 466 | /***************************************************************************** |
| 467 | * XOR1 |
| 468 | ****************************************************************************/ |
| 469 | static struct resource kirkwood_xor1_shared_resources[] = { |
| 470 | { |
| 471 | .name = "xor 1 low", |
| 472 | .start = XOR1_PHYS_BASE, |
| 473 | .end = XOR1_PHYS_BASE + 0xff, |
| 474 | .flags = IORESOURCE_MEM, |
| 475 | }, { |
| 476 | .name = "xor 1 high", |
| 477 | .start = XOR1_HIGH_PHYS_BASE, |
| 478 | .end = XOR1_HIGH_PHYS_BASE + 0xff, |
| 479 | .flags = IORESOURCE_MEM, |
| 480 | }, |
| 481 | }; |
| 482 | |
| 483 | static struct platform_device kirkwood_xor1_shared = { |
| 484 | .name = MV_XOR_SHARED_NAME, |
| 485 | .id = 1, |
| 486 | .dev = { |
| 487 | .platform_data = &kirkwood_xor_shared_data, |
| 488 | }, |
| 489 | .num_resources = ARRAY_SIZE(kirkwood_xor1_shared_resources), |
| 490 | .resource = kirkwood_xor1_shared_resources, |
| 491 | }; |
| 492 | |
| 493 | static struct resource kirkwood_xor10_resources[] = { |
| 494 | [0] = { |
| 495 | .start = IRQ_KIRKWOOD_XOR_10, |
| 496 | .end = IRQ_KIRKWOOD_XOR_10, |
| 497 | .flags = IORESOURCE_IRQ, |
| 498 | }, |
| 499 | }; |
| 500 | |
| 501 | static struct mv_xor_platform_data kirkwood_xor10_data = { |
| 502 | .shared = &kirkwood_xor1_shared, |
| 503 | .hw_id = 0, |
| 504 | .pool_size = PAGE_SIZE, |
| 505 | }; |
| 506 | |
| 507 | static struct platform_device kirkwood_xor10_channel = { |
| 508 | .name = MV_XOR_NAME, |
| 509 | .id = 2, |
| 510 | .num_resources = ARRAY_SIZE(kirkwood_xor10_resources), |
| 511 | .resource = kirkwood_xor10_resources, |
| 512 | .dev = { |
| 513 | .dma_mask = &kirkwood_xor_dmamask, |
| 514 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 515 | .platform_data = (void *)&kirkwood_xor10_data, |
| 516 | }, |
| 517 | }; |
| 518 | |
| 519 | static struct resource kirkwood_xor11_resources[] = { |
| 520 | [0] = { |
| 521 | .start = IRQ_KIRKWOOD_XOR_11, |
| 522 | .end = IRQ_KIRKWOOD_XOR_11, |
| 523 | .flags = IORESOURCE_IRQ, |
| 524 | }, |
| 525 | }; |
| 526 | |
| 527 | static struct mv_xor_platform_data kirkwood_xor11_data = { |
| 528 | .shared = &kirkwood_xor1_shared, |
| 529 | .hw_id = 1, |
| 530 | .pool_size = PAGE_SIZE, |
| 531 | }; |
| 532 | |
| 533 | static struct platform_device kirkwood_xor11_channel = { |
| 534 | .name = MV_XOR_NAME, |
| 535 | .id = 3, |
| 536 | .num_resources = ARRAY_SIZE(kirkwood_xor11_resources), |
| 537 | .resource = kirkwood_xor11_resources, |
| 538 | .dev = { |
| 539 | .dma_mask = &kirkwood_xor_dmamask, |
| 540 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 541 | .platform_data = (void *)&kirkwood_xor11_data, |
| 542 | }, |
| 543 | }; |
| 544 | |
| 545 | void __init kirkwood_xor1_init(void) |
| 546 | { |
| 547 | platform_device_register(&kirkwood_xor1_shared); |
| 548 | |
| 549 | /* |
| 550 | * two engines can't do memset simultaneously, this limitation |
| 551 | * satisfied by removing memset support from one of the engines. |
| 552 | */ |
| 553 | dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask); |
| 554 | dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask); |
| 555 | platform_device_register(&kirkwood_xor10_channel); |
| 556 | |
| 557 | dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask); |
| 558 | dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask); |
| 559 | dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask); |
| 560 | platform_device_register(&kirkwood_xor11_channel); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | /***************************************************************************** |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 565 | * Time handling |
| 566 | ****************************************************************************/ |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 567 | int kirkwood_tclk; |
| 568 | |
| 569 | int __init kirkwood_find_tclk(void) |
| 570 | { |
Ronen Shitrit | b2b3dc2 | 2008-09-15 10:40:35 +0300 | [diff] [blame] | 571 | u32 dev, rev; |
| 572 | |
| 573 | kirkwood_pcie_id(&dev, &rev); |
| 574 | if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0) |
| 575 | return 200000000; |
| 576 | |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 577 | return 166666667; |
| 578 | } |
| 579 | |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 580 | static void kirkwood_timer_init(void) |
| 581 | { |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 582 | kirkwood_tclk = kirkwood_find_tclk(); |
| 583 | orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | struct sys_timer kirkwood_timer = { |
| 587 | .init = kirkwood_timer_init, |
| 588 | }; |
| 589 | |
| 590 | |
| 591 | /***************************************************************************** |
| 592 | * General |
| 593 | ****************************************************************************/ |
Ronen Shitrit | b2b3dc2 | 2008-09-15 10:40:35 +0300 | [diff] [blame] | 594 | /* |
| 595 | * Identify device ID and revision. |
| 596 | */ |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 597 | static char * __init kirkwood_id(void) |
| 598 | { |
Ronen Shitrit | b2b3dc2 | 2008-09-15 10:40:35 +0300 | [diff] [blame] | 599 | u32 dev, rev; |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 600 | |
Ronen Shitrit | b2b3dc2 | 2008-09-15 10:40:35 +0300 | [diff] [blame] | 601 | kirkwood_pcie_id(&dev, &rev); |
| 602 | |
| 603 | if (dev == MV88F6281_DEV_ID) { |
| 604 | if (rev == MV88F6281_REV_Z0) |
| 605 | return "MV88F6281-Z0"; |
| 606 | else if (rev == MV88F6281_REV_A0) |
| 607 | return "MV88F6281-A0"; |
| 608 | else |
| 609 | return "MV88F6281-Rev-Unsupported"; |
| 610 | } else if (dev == MV88F6192_DEV_ID) { |
| 611 | if (rev == MV88F6192_REV_Z0) |
| 612 | return "MV88F6192-Z0"; |
| 613 | else if (rev == MV88F6192_REV_A0) |
| 614 | return "MV88F6192-A0"; |
| 615 | else |
| 616 | return "MV88F6192-Rev-Unsupported"; |
| 617 | } else if (dev == MV88F6180_DEV_ID) { |
| 618 | if (rev == MV88F6180_REV_A0) |
| 619 | return "MV88F6180-Rev-A0"; |
| 620 | else |
| 621 | return "MV88F6180-Rev-Unsupported"; |
| 622 | } else { |
| 623 | return "Device-Unknown"; |
| 624 | } |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 625 | } |
| 626 | |
Ronen Shitrit | 4360bb4 | 2008-09-23 15:28:10 +0300 | [diff] [blame] | 627 | static void __init kirkwood_l2_init(void) |
Saeed Bishara | 1338760 | 2008-06-23 01:05:08 -1100 | [diff] [blame] | 628 | { |
Ronen Shitrit | 4360bb4 | 2008-09-23 15:28:10 +0300 | [diff] [blame] | 629 | #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH |
| 630 | writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG); |
| 631 | feroceon_l2_init(1); |
| 632 | #else |
| 633 | writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG); |
| 634 | feroceon_l2_init(0); |
| 635 | #endif |
Saeed Bishara | 1338760 | 2008-06-23 01:05:08 -1100 | [diff] [blame] | 636 | } |
| 637 | |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 638 | void __init kirkwood_init(void) |
| 639 | { |
| 640 | printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n", |
Ronen Shitrit | 79d4dd7 | 2008-09-15 00:56:38 +0200 | [diff] [blame] | 641 | kirkwood_id(), kirkwood_tclk); |
| 642 | kirkwood_ge00_shared_data.t_clk = kirkwood_tclk; |
| 643 | kirkwood_spi_plat_data.tclk = kirkwood_tclk; |
| 644 | kirkwood_uart0_data[0].uartclk = kirkwood_tclk; |
| 645 | kirkwood_uart1_data[0].uartclk = kirkwood_tclk; |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 646 | |
| 647 | kirkwood_setup_cpu_mbus(); |
| 648 | |
| 649 | #ifdef CONFIG_CACHE_FEROCEON_L2 |
Ronen Shitrit | 4360bb4 | 2008-09-23 15:28:10 +0300 | [diff] [blame] | 650 | kirkwood_l2_init(); |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 651 | #endif |
| 652 | } |