Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-orion5x/common.c |
| 3 | * |
| 4 | * Core functions for Marvell Orion 5x SoCs |
| 5 | * |
| 6 | * Maintainer: Tzachi Perelstein <tzachi@marvell.com> |
| 7 | * |
| 8 | * This file is licensed under the terms of the GNU General Public |
| 9 | * License version 2. This program is licensed "as is" without any |
| 10 | * warranty of any kind, whether express or implied. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/serial_8250.h> |
| 17 | #include <linux/mbus.h> |
| 18 | #include <linux/mv643xx_eth.h> |
| 19 | #include <linux/mv643xx_i2c.h> |
| 20 | #include <linux/ata_platform.h> |
| 21 | #include <asm/page.h> |
| 22 | #include <asm/setup.h> |
| 23 | #include <asm/timex.h> |
| 24 | #include <asm/mach/arch.h> |
| 25 | #include <asm/mach/map.h> |
| 26 | #include <asm/mach/time.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 27 | #include <mach/hardware.h> |
| 28 | #include <mach/orion5x.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 29 | #include <plat/ehci-orion.h> |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 30 | #include <plat/mv_xor.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 31 | #include <plat/orion_nand.h> |
| 32 | #include <plat/time.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 33 | #include "common.h" |
| 34 | |
| 35 | /***************************************************************************** |
| 36 | * I/O Address Mapping |
| 37 | ****************************************************************************/ |
| 38 | static struct map_desc orion5x_io_desc[] __initdata = { |
| 39 | { |
| 40 | .virtual = ORION5X_REGS_VIRT_BASE, |
| 41 | .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), |
| 42 | .length = ORION5X_REGS_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 43 | .type = MT_DEVICE, |
| 44 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 45 | .virtual = ORION5X_PCIE_IO_VIRT_BASE, |
| 46 | .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE), |
| 47 | .length = ORION5X_PCIE_IO_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 48 | .type = MT_DEVICE, |
| 49 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 50 | .virtual = ORION5X_PCI_IO_VIRT_BASE, |
| 51 | .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE), |
| 52 | .length = ORION5X_PCI_IO_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 53 | .type = MT_DEVICE, |
| 54 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 55 | .virtual = ORION5X_PCIE_WA_VIRT_BASE, |
| 56 | .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), |
| 57 | .length = ORION5X_PCIE_WA_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 58 | .type = MT_DEVICE, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 59 | }, |
| 60 | }; |
| 61 | |
| 62 | void __init orion5x_map_io(void) |
| 63 | { |
| 64 | iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); |
| 65 | } |
| 66 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 67 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 68 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 69 | * EHCI |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 70 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 71 | static struct orion_ehci_data orion5x_ehci_data = { |
| 72 | .dram = &orion5x_mbus_dram_info, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 73 | }; |
| 74 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 75 | static u64 ehci_dmamask = 0xffffffffUL; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 76 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 77 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 78 | /***************************************************************************** |
| 79 | * EHCI0 |
| 80 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 81 | static struct resource orion5x_ehci0_resources[] = { |
| 82 | { |
| 83 | .start = ORION5X_USB0_PHYS_BASE, |
Lennert Buytenhek | 994cab8 | 2008-04-25 16:30:21 -0400 | [diff] [blame] | 84 | .end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 85 | .flags = IORESOURCE_MEM, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 86 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 87 | .start = IRQ_ORION5X_USB0_CTRL, |
| 88 | .end = IRQ_ORION5X_USB0_CTRL, |
| 89 | .flags = IORESOURCE_IRQ, |
| 90 | }, |
| 91 | }; |
| 92 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 93 | static struct platform_device orion5x_ehci0 = { |
| 94 | .name = "orion-ehci", |
| 95 | .id = 0, |
| 96 | .dev = { |
| 97 | .dma_mask = &ehci_dmamask, |
| 98 | .coherent_dma_mask = 0xffffffff, |
| 99 | .platform_data = &orion5x_ehci_data, |
| 100 | }, |
| 101 | .resource = orion5x_ehci0_resources, |
| 102 | .num_resources = ARRAY_SIZE(orion5x_ehci0_resources), |
| 103 | }; |
| 104 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 105 | void __init orion5x_ehci0_init(void) |
| 106 | { |
| 107 | platform_device_register(&orion5x_ehci0); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | /***************************************************************************** |
| 112 | * EHCI1 |
| 113 | ****************************************************************************/ |
| 114 | static struct resource orion5x_ehci1_resources[] = { |
| 115 | { |
| 116 | .start = ORION5X_USB1_PHYS_BASE, |
| 117 | .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1, |
| 118 | .flags = IORESOURCE_MEM, |
| 119 | }, { |
| 120 | .start = IRQ_ORION5X_USB1_CTRL, |
| 121 | .end = IRQ_ORION5X_USB1_CTRL, |
| 122 | .flags = IORESOURCE_IRQ, |
| 123 | }, |
| 124 | }; |
| 125 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 126 | static struct platform_device orion5x_ehci1 = { |
| 127 | .name = "orion-ehci", |
| 128 | .id = 1, |
| 129 | .dev = { |
| 130 | .dma_mask = &ehci_dmamask, |
| 131 | .coherent_dma_mask = 0xffffffff, |
| 132 | .platform_data = &orion5x_ehci_data, |
| 133 | }, |
| 134 | .resource = orion5x_ehci1_resources, |
| 135 | .num_resources = ARRAY_SIZE(orion5x_ehci1_resources), |
| 136 | }; |
| 137 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 138 | void __init orion5x_ehci1_init(void) |
| 139 | { |
| 140 | platform_device_register(&orion5x_ehci1); |
| 141 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 142 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 143 | |
| 144 | /***************************************************************************** |
| 145 | * GigE |
| 146 | ****************************************************************************/ |
Lennert Buytenhek | d236f5a | 2008-04-26 14:48:11 -0400 | [diff] [blame] | 147 | struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = { |
| 148 | .dram = &orion5x_mbus_dram_info, |
Lennert Buytenhek | b8c15a6 | 2008-04-26 14:48:11 -0400 | [diff] [blame] | 149 | .t_clk = ORION5X_TCLK, |
Lennert Buytenhek | d236f5a | 2008-04-26 14:48:11 -0400 | [diff] [blame] | 150 | }; |
| 151 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 152 | static struct resource orion5x_eth_shared_resources[] = { |
| 153 | { |
| 154 | .start = ORION5X_ETH_PHYS_BASE + 0x2000, |
| 155 | .end = ORION5X_ETH_PHYS_BASE + 0x3fff, |
| 156 | .flags = IORESOURCE_MEM, |
Lennert Buytenhek | eeff6d8 | 2008-08-26 16:01:21 +0200 | [diff] [blame^] | 157 | }, { |
| 158 | .start = IRQ_ORION5X_ETH_ERR, |
| 159 | .end = IRQ_ORION5X_ETH_ERR, |
| 160 | .flags = IORESOURCE_IRQ, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 161 | }, |
| 162 | }; |
| 163 | |
| 164 | static struct platform_device orion5x_eth_shared = { |
| 165 | .name = MV643XX_ETH_SHARED_NAME, |
| 166 | .id = 0, |
Lennert Buytenhek | d236f5a | 2008-04-26 14:48:11 -0400 | [diff] [blame] | 167 | .dev = { |
| 168 | .platform_data = &orion5x_eth_shared_data, |
| 169 | }, |
Lennert Buytenhek | eeff6d8 | 2008-08-26 16:01:21 +0200 | [diff] [blame^] | 170 | .num_resources = ARRAY_SIZE(orion5x_eth_shared_resources), |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 171 | .resource = orion5x_eth_shared_resources, |
| 172 | }; |
| 173 | |
| 174 | static struct resource orion5x_eth_resources[] = { |
| 175 | { |
| 176 | .name = "eth irq", |
| 177 | .start = IRQ_ORION5X_ETH_SUM, |
| 178 | .end = IRQ_ORION5X_ETH_SUM, |
| 179 | .flags = IORESOURCE_IRQ, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 180 | }, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 181 | }; |
| 182 | |
| 183 | static struct platform_device orion5x_eth = { |
| 184 | .name = MV643XX_ETH_NAME, |
| 185 | .id = 0, |
| 186 | .num_resources = 1, |
| 187 | .resource = orion5x_eth_resources, |
| 188 | }; |
| 189 | |
| 190 | void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) |
| 191 | { |
Lennert Buytenhek | fa3959f | 2008-04-24 01:27:02 +0200 | [diff] [blame] | 192 | eth_data->shared = &orion5x_eth_shared; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 193 | orion5x_eth.dev.platform_data = eth_data; |
Lennert Buytenhek | fa3959f | 2008-04-24 01:27:02 +0200 | [diff] [blame] | 194 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 195 | platform_device_register(&orion5x_eth_shared); |
| 196 | platform_device_register(&orion5x_eth); |
| 197 | } |
| 198 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 199 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 200 | /***************************************************************************** |
| 201 | * I2C |
| 202 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 203 | static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = { |
| 204 | .freq_m = 8, /* assumes 166 MHz TCLK */ |
| 205 | .freq_n = 3, |
| 206 | .timeout = 1000, /* Default timeout of 1 second */ |
| 207 | }; |
| 208 | |
| 209 | static struct resource orion5x_i2c_resources[] = { |
| 210 | { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 211 | .name = "i2c base", |
| 212 | .start = I2C_PHYS_BASE, |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 213 | .end = I2C_PHYS_BASE + 0x1f, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 214 | .flags = IORESOURCE_MEM, |
| 215 | }, { |
| 216 | .name = "i2c irq", |
| 217 | .start = IRQ_ORION5X_I2C, |
| 218 | .end = IRQ_ORION5X_I2C, |
| 219 | .flags = IORESOURCE_IRQ, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 220 | }, |
| 221 | }; |
| 222 | |
| 223 | static struct platform_device orion5x_i2c = { |
| 224 | .name = MV64XXX_I2C_CTLR_NAME, |
| 225 | .id = 0, |
| 226 | .num_resources = ARRAY_SIZE(orion5x_i2c_resources), |
| 227 | .resource = orion5x_i2c_resources, |
| 228 | .dev = { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 229 | .platform_data = &orion5x_i2c_pdata, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 230 | }, |
| 231 | }; |
| 232 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 233 | void __init orion5x_i2c_init(void) |
| 234 | { |
| 235 | platform_device_register(&orion5x_i2c); |
| 236 | } |
| 237 | |
| 238 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 239 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 240 | * SATA |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 241 | ****************************************************************************/ |
| 242 | static struct resource orion5x_sata_resources[] = { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 243 | { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 244 | .name = "sata base", |
| 245 | .start = ORION5X_SATA_PHYS_BASE, |
| 246 | .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1, |
| 247 | .flags = IORESOURCE_MEM, |
| 248 | }, { |
| 249 | .name = "sata irq", |
| 250 | .start = IRQ_ORION5X_SATA, |
| 251 | .end = IRQ_ORION5X_SATA, |
| 252 | .flags = IORESOURCE_IRQ, |
| 253 | }, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 254 | }; |
| 255 | |
| 256 | static struct platform_device orion5x_sata = { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 257 | .name = "sata_mv", |
| 258 | .id = 0, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 259 | .dev = { |
| 260 | .coherent_dma_mask = 0xffffffff, |
| 261 | }, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 262 | .num_resources = ARRAY_SIZE(orion5x_sata_resources), |
| 263 | .resource = orion5x_sata_resources, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 264 | }; |
| 265 | |
| 266 | void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) |
| 267 | { |
| 268 | sata_data->dram = &orion5x_mbus_dram_info; |
| 269 | orion5x_sata.dev.platform_data = sata_data; |
| 270 | platform_device_register(&orion5x_sata); |
| 271 | } |
| 272 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 273 | |
| 274 | /***************************************************************************** |
| 275 | * UART0 |
| 276 | ****************************************************************************/ |
| 277 | static struct plat_serial8250_port orion5x_uart0_data[] = { |
| 278 | { |
| 279 | .mapbase = UART0_PHYS_BASE, |
| 280 | .membase = (char *)UART0_VIRT_BASE, |
| 281 | .irq = IRQ_ORION5X_UART0, |
| 282 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
| 283 | .iotype = UPIO_MEM, |
| 284 | .regshift = 2, |
| 285 | .uartclk = ORION5X_TCLK, |
| 286 | }, { |
| 287 | }, |
| 288 | }; |
| 289 | |
| 290 | static struct resource orion5x_uart0_resources[] = { |
| 291 | { |
| 292 | .start = UART0_PHYS_BASE, |
| 293 | .end = UART0_PHYS_BASE + 0xff, |
| 294 | .flags = IORESOURCE_MEM, |
| 295 | }, { |
| 296 | .start = IRQ_ORION5X_UART0, |
| 297 | .end = IRQ_ORION5X_UART0, |
| 298 | .flags = IORESOURCE_IRQ, |
| 299 | }, |
| 300 | }; |
| 301 | |
| 302 | static struct platform_device orion5x_uart0 = { |
| 303 | .name = "serial8250", |
| 304 | .id = PLAT8250_DEV_PLATFORM, |
| 305 | .dev = { |
| 306 | .platform_data = orion5x_uart0_data, |
| 307 | }, |
| 308 | .resource = orion5x_uart0_resources, |
| 309 | .num_resources = ARRAY_SIZE(orion5x_uart0_resources), |
| 310 | }; |
| 311 | |
| 312 | void __init orion5x_uart0_init(void) |
| 313 | { |
| 314 | platform_device_register(&orion5x_uart0); |
| 315 | } |
| 316 | |
| 317 | |
| 318 | /***************************************************************************** |
| 319 | * UART1 |
| 320 | ****************************************************************************/ |
| 321 | static struct plat_serial8250_port orion5x_uart1_data[] = { |
| 322 | { |
| 323 | .mapbase = UART1_PHYS_BASE, |
| 324 | .membase = (char *)UART1_VIRT_BASE, |
| 325 | .irq = IRQ_ORION5X_UART1, |
| 326 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, |
| 327 | .iotype = UPIO_MEM, |
| 328 | .regshift = 2, |
| 329 | .uartclk = ORION5X_TCLK, |
| 330 | }, { |
| 331 | }, |
| 332 | }; |
| 333 | |
| 334 | static struct resource orion5x_uart1_resources[] = { |
| 335 | { |
| 336 | .start = UART1_PHYS_BASE, |
| 337 | .end = UART1_PHYS_BASE + 0xff, |
| 338 | .flags = IORESOURCE_MEM, |
| 339 | }, { |
| 340 | .start = IRQ_ORION5X_UART1, |
| 341 | .end = IRQ_ORION5X_UART1, |
| 342 | .flags = IORESOURCE_IRQ, |
| 343 | }, |
| 344 | }; |
| 345 | |
| 346 | static struct platform_device orion5x_uart1 = { |
| 347 | .name = "serial8250", |
| 348 | .id = PLAT8250_DEV_PLATFORM1, |
| 349 | .dev = { |
| 350 | .platform_data = orion5x_uart1_data, |
| 351 | }, |
| 352 | .resource = orion5x_uart1_resources, |
| 353 | .num_resources = ARRAY_SIZE(orion5x_uart1_resources), |
| 354 | }; |
| 355 | |
| 356 | void __init orion5x_uart1_init(void) |
| 357 | { |
| 358 | platform_device_register(&orion5x_uart1); |
| 359 | } |
| 360 | |
| 361 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 362 | /***************************************************************************** |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 363 | * XOR engine |
| 364 | ****************************************************************************/ |
| 365 | static struct resource orion5x_xor_shared_resources[] = { |
| 366 | { |
| 367 | .name = "xor low", |
| 368 | .start = ORION5X_XOR_PHYS_BASE, |
| 369 | .end = ORION5X_XOR_PHYS_BASE + 0xff, |
| 370 | .flags = IORESOURCE_MEM, |
| 371 | }, { |
| 372 | .name = "xor high", |
| 373 | .start = ORION5X_XOR_PHYS_BASE + 0x200, |
| 374 | .end = ORION5X_XOR_PHYS_BASE + 0x2ff, |
| 375 | .flags = IORESOURCE_MEM, |
| 376 | }, |
| 377 | }; |
| 378 | |
| 379 | static struct platform_device orion5x_xor_shared = { |
| 380 | .name = MV_XOR_SHARED_NAME, |
| 381 | .id = 0, |
| 382 | .num_resources = ARRAY_SIZE(orion5x_xor_shared_resources), |
| 383 | .resource = orion5x_xor_shared_resources, |
| 384 | }; |
| 385 | |
| 386 | static u64 orion5x_xor_dmamask = DMA_32BIT_MASK; |
| 387 | |
| 388 | static struct resource orion5x_xor0_resources[] = { |
| 389 | [0] = { |
| 390 | .start = IRQ_ORION5X_XOR0, |
| 391 | .end = IRQ_ORION5X_XOR0, |
| 392 | .flags = IORESOURCE_IRQ, |
| 393 | }, |
| 394 | }; |
| 395 | |
| 396 | static struct mv_xor_platform_data orion5x_xor0_data = { |
| 397 | .shared = &orion5x_xor_shared, |
| 398 | .hw_id = 0, |
| 399 | .pool_size = PAGE_SIZE, |
| 400 | }; |
| 401 | |
| 402 | static struct platform_device orion5x_xor0_channel = { |
| 403 | .name = MV_XOR_NAME, |
| 404 | .id = 0, |
| 405 | .num_resources = ARRAY_SIZE(orion5x_xor0_resources), |
| 406 | .resource = orion5x_xor0_resources, |
| 407 | .dev = { |
| 408 | .dma_mask = &orion5x_xor_dmamask, |
| 409 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 410 | .platform_data = (void *)&orion5x_xor0_data, |
| 411 | }, |
| 412 | }; |
| 413 | |
| 414 | static struct resource orion5x_xor1_resources[] = { |
| 415 | [0] = { |
| 416 | .start = IRQ_ORION5X_XOR1, |
| 417 | .end = IRQ_ORION5X_XOR1, |
| 418 | .flags = IORESOURCE_IRQ, |
| 419 | }, |
| 420 | }; |
| 421 | |
| 422 | static struct mv_xor_platform_data orion5x_xor1_data = { |
| 423 | .shared = &orion5x_xor_shared, |
| 424 | .hw_id = 1, |
| 425 | .pool_size = PAGE_SIZE, |
| 426 | }; |
| 427 | |
| 428 | static struct platform_device orion5x_xor1_channel = { |
| 429 | .name = MV_XOR_NAME, |
| 430 | .id = 1, |
| 431 | .num_resources = ARRAY_SIZE(orion5x_xor1_resources), |
| 432 | .resource = orion5x_xor1_resources, |
| 433 | .dev = { |
| 434 | .dma_mask = &orion5x_xor_dmamask, |
| 435 | .coherent_dma_mask = DMA_64BIT_MASK, |
| 436 | .platform_data = (void *)&orion5x_xor1_data, |
| 437 | }, |
| 438 | }; |
| 439 | |
| 440 | void __init orion5x_xor_init(void) |
| 441 | { |
| 442 | platform_device_register(&orion5x_xor_shared); |
| 443 | |
| 444 | /* |
| 445 | * two engines can't do memset simultaneously, this limitation |
| 446 | * satisfied by removing memset support from one of the engines. |
| 447 | */ |
| 448 | dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask); |
| 449 | dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask); |
| 450 | platform_device_register(&orion5x_xor0_channel); |
| 451 | |
| 452 | dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask); |
| 453 | dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask); |
| 454 | dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask); |
| 455 | platform_device_register(&orion5x_xor1_channel); |
| 456 | } |
| 457 | |
| 458 | |
| 459 | /***************************************************************************** |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 460 | * Time handling |
| 461 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 462 | static void orion5x_timer_init(void) |
| 463 | { |
| 464 | orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK); |
| 465 | } |
| 466 | |
| 467 | struct sys_timer orion5x_timer = { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 468 | .init = orion5x_timer_init, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 469 | }; |
| 470 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 471 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 472 | /***************************************************************************** |
| 473 | * General |
| 474 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 475 | /* |
Lennert Buytenhek | b46926b | 2008-04-25 16:31:32 -0400 | [diff] [blame] | 476 | * Identify device ID and rev from PCIe configuration header space '0'. |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 477 | */ |
| 478 | static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) |
| 479 | { |
| 480 | orion5x_pcie_id(dev, rev); |
| 481 | |
| 482 | if (*dev == MV88F5281_DEV_ID) { |
| 483 | if (*rev == MV88F5281_REV_D2) { |
| 484 | *dev_name = "MV88F5281-D2"; |
| 485 | } else if (*rev == MV88F5281_REV_D1) { |
| 486 | *dev_name = "MV88F5281-D1"; |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 487 | } else if (*rev == MV88F5281_REV_D0) { |
| 488 | *dev_name = "MV88F5281-D0"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 489 | } else { |
| 490 | *dev_name = "MV88F5281-Rev-Unsupported"; |
| 491 | } |
| 492 | } else if (*dev == MV88F5182_DEV_ID) { |
| 493 | if (*rev == MV88F5182_REV_A2) { |
| 494 | *dev_name = "MV88F5182-A2"; |
| 495 | } else { |
| 496 | *dev_name = "MV88F5182-Rev-Unsupported"; |
| 497 | } |
| 498 | } else if (*dev == MV88F5181_DEV_ID) { |
| 499 | if (*rev == MV88F5181_REV_B1) { |
| 500 | *dev_name = "MV88F5181-Rev-B1"; |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 501 | } else if (*rev == MV88F5181L_REV_A1) { |
| 502 | *dev_name = "MV88F5181L-Rev-A1"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 503 | } else { |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 504 | *dev_name = "MV88F5181(L)-Rev-Unsupported"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 505 | } |
| 506 | } else { |
| 507 | *dev_name = "Device-Unknown"; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | void __init orion5x_init(void) |
| 512 | { |
| 513 | char *dev_name; |
| 514 | u32 dev, rev; |
| 515 | |
| 516 | orion5x_id(&dev, &rev, &dev_name); |
| 517 | printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK); |
| 518 | |
| 519 | /* |
| 520 | * Setup Orion address map |
| 521 | */ |
| 522 | orion5x_setup_cpu_mbus_bridge(); |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 523 | |
| 524 | /* |
| 525 | * Don't issue "Wait for Interrupt" instruction if we are |
| 526 | * running on D0 5281 silicon. |
| 527 | */ |
| 528 | if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { |
| 529 | printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); |
| 530 | disable_hlt(); |
| 531 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | /* |
| 535 | * Many orion-based systems have buggy bootloader implementations. |
| 536 | * This is a common fixup for bogus memory tags. |
| 537 | */ |
| 538 | void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t, |
| 539 | char **from, struct meminfo *meminfo) |
| 540 | { |
| 541 | for (; t->hdr.size; t = tag_next(t)) |
| 542 | if (t->hdr.tag == ATAG_MEM && |
| 543 | (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || |
| 544 | t->u.mem.start & ~PAGE_MASK)) { |
| 545 | printk(KERN_WARNING |
| 546 | "Clearing invalid memory bank %dKB@0x%08x\n", |
| 547 | t->u.mem.size / 1024, t->u.mem.start); |
| 548 | t->hdr.tag = 0; |
| 549 | } |
| 550 | } |