Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * arch/ppc/platforms/4xx/bamboo.c |
| 3 | * |
| 4 | * Bamboo board specific routines |
| 5 | * |
| 6 | * Wade Farnsworth <wfarnsworth@mvista.com> |
| 7 | * Copyright 2004 MontaVista Software Inc. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your |
| 12 | * option) any later version. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/config.h> |
| 16 | #include <linux/stddef.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/errno.h> |
| 20 | #include <linux/reboot.h> |
| 21 | #include <linux/pci.h> |
| 22 | #include <linux/kdev_t.h> |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/major.h> |
| 25 | #include <linux/blkdev.h> |
| 26 | #include <linux/console.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/ide.h> |
| 29 | #include <linux/initrd.h> |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 30 | #include <linux/seq_file.h> |
| 31 | #include <linux/root_dev.h> |
| 32 | #include <linux/tty.h> |
| 33 | #include <linux/serial.h> |
| 34 | #include <linux/serial_core.h> |
| 35 | #include <linux/ethtool.h> |
| 36 | |
| 37 | #include <asm/system.h> |
| 38 | #include <asm/pgtable.h> |
| 39 | #include <asm/page.h> |
| 40 | #include <asm/dma.h> |
| 41 | #include <asm/io.h> |
| 42 | #include <asm/machdep.h> |
| 43 | #include <asm/ocp.h> |
| 44 | #include <asm/pci-bridge.h> |
| 45 | #include <asm/time.h> |
| 46 | #include <asm/todc.h> |
| 47 | #include <asm/bootinfo.h> |
| 48 | #include <asm/ppc4xx_pic.h> |
| 49 | #include <asm/ppcboot.h> |
| 50 | |
| 51 | #include <syslib/gen550.h> |
| 52 | #include <syslib/ibm440gx_common.h> |
| 53 | |
Matt Porter | d5f7b06 | 2005-10-28 17:46:14 -0700 | [diff] [blame] | 54 | extern bd_t __res; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 55 | |
| 56 | static struct ibm44x_clocks clocks __initdata; |
| 57 | |
| 58 | /* |
| 59 | * Bamboo external IRQ triggering/polarity settings |
| 60 | */ |
| 61 | unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = { |
| 62 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ0: Ethernet transceiver */ |
| 63 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ1: Expansion connector */ |
| 64 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ2: PCI slot 0 */ |
| 65 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ3: PCI slot 1 */ |
| 66 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ4: PCI slot 2 */ |
| 67 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ5: PCI slot 3 */ |
| 68 | (IRQ_SENSE_EDGE | IRQ_POLARITY_NEGATIVE), /* IRQ6: SMI pushbutton */ |
| 69 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ7: EXT */ |
| 70 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ8: EXT */ |
| 71 | (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ9: EXT */ |
| 72 | }; |
| 73 | |
| 74 | static void __init |
| 75 | bamboo_calibrate_decr(void) |
| 76 | { |
| 77 | unsigned int freq; |
| 78 | |
| 79 | if (mfspr(SPRN_CCR1) & CCR1_TCS) |
| 80 | freq = BAMBOO_TMRCLK; |
| 81 | else |
| 82 | freq = clocks.cpu; |
| 83 | |
| 84 | ibm44x_calibrate_decr(freq); |
| 85 | |
| 86 | } |
| 87 | |
| 88 | static int |
| 89 | bamboo_show_cpuinfo(struct seq_file *m) |
| 90 | { |
| 91 | seq_printf(m, "vendor\t\t: IBM\n"); |
| 92 | seq_printf(m, "machine\t\t: PPC440EP EVB (Bamboo)\n"); |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | static inline int |
| 98 | bamboo_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) |
| 99 | { |
| 100 | static char pci_irq_table[][4] = |
| 101 | /* |
| 102 | * PCI IDSEL/INTPIN->INTLINE |
| 103 | * A B C D |
| 104 | */ |
| 105 | { |
| 106 | { 28, 28, 28, 28 }, /* IDSEL 1 - PCI Slot 0 */ |
| 107 | { 27, 27, 27, 27 }, /* IDSEL 2 - PCI Slot 1 */ |
| 108 | { 26, 26, 26, 26 }, /* IDSEL 3 - PCI Slot 2 */ |
| 109 | { 25, 25, 25, 25 }, /* IDSEL 4 - PCI Slot 3 */ |
| 110 | }; |
| 111 | |
| 112 | const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4; |
| 113 | return PCI_IRQ_TABLE_LOOKUP; |
| 114 | } |
| 115 | |
| 116 | static void __init bamboo_set_emacdata(void) |
| 117 | { |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 118 | u8 * base_addr; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 119 | struct ocp_def *def; |
| 120 | struct ocp_func_emac_data *emacdata; |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 121 | u8 val; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 122 | int mode; |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 123 | u32 excluded = 0; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 124 | |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 125 | base_addr = ioremap64(BAMBOO_FPGA_SELECTION1_REG_ADDR, 16); |
| 126 | val = readb(base_addr); |
| 127 | iounmap((void *) base_addr); |
| 128 | if (BAMBOO_SEL_MII(val)) |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 129 | mode = PHY_MODE_MII; |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 130 | else if (BAMBOO_SEL_RMII(val)) |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 131 | mode = PHY_MODE_RMII; |
| 132 | else |
| 133 | mode = PHY_MODE_SMII; |
| 134 | |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 135 | /* |
| 136 | * SW2 on the Bamboo is used for ethernet configuration and is accessed |
| 137 | * via the CONFIG2 register in the FPGA. If the ANEG pin is set, |
| 138 | * overwrite the supported features with the settings in SW2. |
| 139 | * |
| 140 | * This is used as a workaround for the improperly biased RJ-45 sockets |
| 141 | * on the Rev. 0 Bamboo. By default only 10baseT is functional. |
| 142 | * Removing inductors L17 and L18 from the board allows 100baseT, but |
| 143 | * disables 10baseT. The Rev. 1 has no such limitations. |
| 144 | */ |
| 145 | |
| 146 | base_addr = ioremap64(BAMBOO_FPGA_CONFIG2_REG_ADDR, 8); |
| 147 | val = readb(base_addr); |
| 148 | iounmap((void *) base_addr); |
| 149 | if (!BAMBOO_AUTONEGOTIATE(val)) { |
| 150 | excluded |= SUPPORTED_Autoneg; |
| 151 | if (BAMBOO_FORCE_100Mbps(val)) { |
| 152 | excluded |= SUPPORTED_10baseT_Full; |
| 153 | excluded |= SUPPORTED_10baseT_Half; |
| 154 | if (BAMBOO_FULL_DUPLEX_EN(val)) |
| 155 | excluded |= SUPPORTED_100baseT_Half; |
| 156 | else |
| 157 | excluded |= SUPPORTED_100baseT_Full; |
| 158 | } else { |
| 159 | excluded |= SUPPORTED_100baseT_Full; |
| 160 | excluded |= SUPPORTED_100baseT_Half; |
| 161 | if (BAMBOO_FULL_DUPLEX_EN(val)) |
| 162 | excluded |= SUPPORTED_10baseT_Half; |
| 163 | else |
| 164 | excluded |= SUPPORTED_10baseT_Full; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /* Set mac_addr, phy mode and unsupported phy features for each EMAC */ |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 169 | |
| 170 | def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, 0); |
| 171 | emacdata = def->additions; |
| 172 | memcpy(emacdata->mac_addr, __res.bi_enetaddr, 6); |
| 173 | emacdata->phy_mode = mode; |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 174 | emacdata->phy_feat_exc = excluded; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 175 | |
| 176 | def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, 1); |
| 177 | emacdata = def->additions; |
| 178 | memcpy(emacdata->mac_addr, __res.bi_enet1addr, 6); |
| 179 | emacdata->phy_mode = mode; |
Matt Porter | 2698ebc | 2005-09-03 15:55:35 -0700 | [diff] [blame] | 180 | emacdata->phy_feat_exc = excluded; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | static int |
| 184 | bamboo_exclude_device(unsigned char bus, unsigned char devfn) |
| 185 | { |
| 186 | return (bus == 0 && devfn == 0); |
| 187 | } |
| 188 | |
| 189 | #define PCI_READW(offset) \ |
| 190 | (readw((void *)((u32)pci_reg_base+offset))) |
| 191 | |
| 192 | #define PCI_WRITEW(value, offset) \ |
| 193 | (writew(value, (void *)((u32)pci_reg_base+offset))) |
| 194 | |
| 195 | #define PCI_WRITEL(value, offset) \ |
| 196 | (writel(value, (void *)((u32)pci_reg_base+offset))) |
| 197 | |
| 198 | static void __init |
| 199 | bamboo_setup_pci(void) |
| 200 | { |
| 201 | void *pci_reg_base; |
| 202 | unsigned long memory_size; |
| 203 | memory_size = ppc_md.find_end_of_memory(); |
| 204 | |
| 205 | pci_reg_base = ioremap64(BAMBOO_PCIL0_BASE, BAMBOO_PCIL0_SIZE); |
| 206 | |
| 207 | /* Enable PCI I/O, Mem, and Busmaster cycles */ |
| 208 | PCI_WRITEW(PCI_READW(PCI_COMMAND) | |
| 209 | PCI_COMMAND_MEMORY | |
| 210 | PCI_COMMAND_MASTER, PCI_COMMAND); |
| 211 | |
| 212 | /* Disable region first */ |
| 213 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM0MA); |
| 214 | |
| 215 | /* PLB starting addr: 0x00000000A0000000 */ |
| 216 | PCI_WRITEL(BAMBOO_PCI_PHY_MEM_BASE, BAMBOO_PCIL0_PMM0LA); |
| 217 | |
| 218 | /* PCI start addr, 0xA0000000 (PCI Address) */ |
| 219 | PCI_WRITEL(BAMBOO_PCI_MEM_BASE, BAMBOO_PCIL0_PMM0PCILA); |
| 220 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM0PCIHA); |
| 221 | |
| 222 | /* Enable no pre-fetch, enable region */ |
| 223 | PCI_WRITEL(((0xffffffff - |
| 224 | (BAMBOO_PCI_UPPER_MEM - BAMBOO_PCI_MEM_BASE)) | 0x01), |
| 225 | BAMBOO_PCIL0_PMM0MA); |
| 226 | |
| 227 | /* Disable region one */ |
| 228 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM1MA); |
| 229 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM1LA); |
| 230 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM1PCILA); |
| 231 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM1PCIHA); |
| 232 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM1MA); |
| 233 | |
| 234 | /* Disable region two */ |
| 235 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM2MA); |
| 236 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM2LA); |
| 237 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM2PCILA); |
| 238 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM2PCIHA); |
| 239 | PCI_WRITEL(0, BAMBOO_PCIL0_PMM2MA); |
| 240 | |
| 241 | /* Now configure the PCI->PLB windows, we only use PTM1 |
| 242 | * |
| 243 | * For Inbound flow, set the window size to all available memory |
| 244 | * This is required because if size is smaller, |
| 245 | * then Eth/PCI DD would fail as PCI card not able to access |
| 246 | * the memory allocated by DD. |
| 247 | */ |
| 248 | |
| 249 | PCI_WRITEL(0, BAMBOO_PCIL0_PTM1MS); /* disabled region 1 */ |
| 250 | PCI_WRITEL(0, BAMBOO_PCIL0_PTM1LA); /* begin of address map */ |
| 251 | |
| 252 | memory_size = 1 << fls(memory_size - 1); |
| 253 | |
| 254 | /* Size low + Enabled */ |
| 255 | PCI_WRITEL((0xffffffff - (memory_size - 1)) | 0x1, BAMBOO_PCIL0_PTM1MS); |
| 256 | |
| 257 | eieio(); |
| 258 | iounmap(pci_reg_base); |
| 259 | } |
| 260 | |
| 261 | static void __init |
| 262 | bamboo_setup_hose(void) |
| 263 | { |
| 264 | unsigned int bar_response, bar; |
| 265 | struct pci_controller *hose; |
| 266 | |
| 267 | bamboo_setup_pci(); |
| 268 | |
| 269 | hose = pcibios_alloc_controller(); |
| 270 | |
| 271 | if (!hose) |
| 272 | return; |
| 273 | |
| 274 | hose->first_busno = 0; |
| 275 | hose->last_busno = 0xff; |
| 276 | |
| 277 | hose->pci_mem_offset = BAMBOO_PCI_MEM_OFFSET; |
| 278 | |
| 279 | pci_init_resource(&hose->io_resource, |
| 280 | BAMBOO_PCI_LOWER_IO, |
| 281 | BAMBOO_PCI_UPPER_IO, |
| 282 | IORESOURCE_IO, |
| 283 | "PCI host bridge"); |
| 284 | |
| 285 | pci_init_resource(&hose->mem_resources[0], |
| 286 | BAMBOO_PCI_LOWER_MEM, |
| 287 | BAMBOO_PCI_UPPER_MEM, |
| 288 | IORESOURCE_MEM, |
| 289 | "PCI host bridge"); |
| 290 | |
| 291 | ppc_md.pci_exclude_device = bamboo_exclude_device; |
| 292 | |
| 293 | hose->io_space.start = BAMBOO_PCI_LOWER_IO; |
| 294 | hose->io_space.end = BAMBOO_PCI_UPPER_IO; |
| 295 | hose->mem_space.start = BAMBOO_PCI_LOWER_MEM; |
| 296 | hose->mem_space.end = BAMBOO_PCI_UPPER_MEM; |
| 297 | isa_io_base = |
| 298 | (unsigned long)ioremap64(BAMBOO_PCI_IO_BASE, BAMBOO_PCI_IO_SIZE); |
| 299 | hose->io_base_virt = (void *)isa_io_base; |
| 300 | |
| 301 | setup_indirect_pci(hose, |
| 302 | BAMBOO_PCI_CFGA_PLB32, |
| 303 | BAMBOO_PCI_CFGD_PLB32); |
| 304 | hose->set_cfg_type = 1; |
| 305 | |
| 306 | /* Zero config bars */ |
| 307 | for (bar = PCI_BASE_ADDRESS_1; bar <= PCI_BASE_ADDRESS_2; bar += 4) { |
| 308 | early_write_config_dword(hose, hose->first_busno, |
| 309 | PCI_FUNC(hose->first_busno), bar, |
| 310 | 0x00000000); |
| 311 | early_read_config_dword(hose, hose->first_busno, |
| 312 | PCI_FUNC(hose->first_busno), bar, |
| 313 | &bar_response); |
| 314 | } |
| 315 | |
| 316 | hose->last_busno = pciauto_bus_scan(hose, hose->first_busno); |
| 317 | |
| 318 | ppc_md.pci_swizzle = common_swizzle; |
| 319 | ppc_md.pci_map_irq = bamboo_map_irq; |
| 320 | } |
| 321 | |
| 322 | TODC_ALLOC(); |
| 323 | |
| 324 | static void __init |
| 325 | bamboo_early_serial_map(void) |
| 326 | { |
| 327 | struct uart_port port; |
| 328 | |
| 329 | /* Setup ioremapped serial port access */ |
| 330 | memset(&port, 0, sizeof(port)); |
| 331 | port.membase = ioremap64(PPC440EP_UART0_ADDR, 8); |
| 332 | port.irq = 0; |
| 333 | port.uartclk = clocks.uart0; |
| 334 | port.regshift = 0; |
Russell King | 9b4a161 | 2006-02-05 10:48:10 +0000 | [diff] [blame] | 335 | port.iotype = UPIO_MEM; |
Russell King | 59a675b | 2006-02-05 10:52:29 +0000 | [diff] [blame] | 336 | port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 337 | port.line = 0; |
| 338 | |
| 339 | if (early_serial_setup(&port) != 0) { |
| 340 | printk("Early serial init of port 0 failed\n"); |
| 341 | } |
| 342 | |
| 343 | #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) |
| 344 | /* Configure debug serial access */ |
| 345 | gen550_init(0, &port); |
| 346 | #endif |
| 347 | |
| 348 | port.membase = ioremap64(PPC440EP_UART1_ADDR, 8); |
| 349 | port.irq = 1; |
| 350 | port.uartclk = clocks.uart1; |
| 351 | port.line = 1; |
| 352 | |
| 353 | if (early_serial_setup(&port) != 0) { |
| 354 | printk("Early serial init of port 1 failed\n"); |
| 355 | } |
| 356 | |
| 357 | #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) |
| 358 | /* Configure debug serial access */ |
| 359 | gen550_init(1, &port); |
| 360 | #endif |
| 361 | |
| 362 | port.membase = ioremap64(PPC440EP_UART2_ADDR, 8); |
| 363 | port.irq = 3; |
| 364 | port.uartclk = clocks.uart2; |
| 365 | port.line = 2; |
| 366 | |
| 367 | if (early_serial_setup(&port) != 0) { |
| 368 | printk("Early serial init of port 2 failed\n"); |
| 369 | } |
| 370 | |
| 371 | #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) |
| 372 | /* Configure debug serial access */ |
| 373 | gen550_init(2, &port); |
| 374 | #endif |
| 375 | |
| 376 | port.membase = ioremap64(PPC440EP_UART3_ADDR, 8); |
| 377 | port.irq = 4; |
| 378 | port.uartclk = clocks.uart3; |
| 379 | port.line = 3; |
| 380 | |
| 381 | if (early_serial_setup(&port) != 0) { |
| 382 | printk("Early serial init of port 3 failed\n"); |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | static void __init |
| 387 | bamboo_setup_arch(void) |
| 388 | { |
| 389 | |
| 390 | bamboo_set_emacdata(); |
| 391 | |
| 392 | ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200); |
| 393 | ocp_sys_info.opb_bus_freq = clocks.opb; |
| 394 | |
| 395 | /* Setup TODC access */ |
| 396 | TODC_INIT(TODC_TYPE_DS1743, |
| 397 | 0, |
| 398 | 0, |
| 399 | ioremap64(BAMBOO_RTC_ADDR, BAMBOO_RTC_SIZE), |
| 400 | 8); |
| 401 | |
| 402 | /* init to some ~sane value until calibrate_delay() runs */ |
| 403 | loops_per_jiffy = 50000000/HZ; |
| 404 | |
| 405 | /* Setup PCI host bridge */ |
| 406 | bamboo_setup_hose(); |
| 407 | |
| 408 | #ifdef CONFIG_BLK_DEV_INITRD |
| 409 | if (initrd_start) |
| 410 | ROOT_DEV = Root_RAM0; |
| 411 | else |
| 412 | #endif |
| 413 | #ifdef CONFIG_ROOT_NFS |
| 414 | ROOT_DEV = Root_NFS; |
| 415 | #else |
| 416 | ROOT_DEV = Root_HDA1; |
| 417 | #endif |
| 418 | |
| 419 | bamboo_early_serial_map(); |
| 420 | |
| 421 | /* Identify the system */ |
| 422 | printk("IBM Bamboo port (MontaVista Software, Inc. (source@mvista.com))\n"); |
| 423 | } |
| 424 | |
| 425 | void __init platform_init(unsigned long r3, unsigned long r4, |
| 426 | unsigned long r5, unsigned long r6, unsigned long r7) |
| 427 | { |
Matt Porter | d5f7b06 | 2005-10-28 17:46:14 -0700 | [diff] [blame] | 428 | ibm44x_platform_init(r3, r4, r5, r6, r7); |
Matt Porter | 497799d | 2005-07-31 22:34:53 -0700 | [diff] [blame] | 429 | |
| 430 | ppc_md.setup_arch = bamboo_setup_arch; |
| 431 | ppc_md.show_cpuinfo = bamboo_show_cpuinfo; |
| 432 | ppc_md.get_irq = NULL; /* Set in ppc4xx_pic_init() */ |
| 433 | |
| 434 | ppc_md.calibrate_decr = bamboo_calibrate_decr; |
| 435 | ppc_md.time_init = todc_time_init; |
| 436 | ppc_md.set_rtc_time = todc_set_rtc_time; |
| 437 | ppc_md.get_rtc_time = todc_get_rtc_time; |
| 438 | |
| 439 | ppc_md.nvram_read_val = todc_direct_read_val; |
| 440 | ppc_md.nvram_write_val = todc_direct_write_val; |
| 441 | #ifdef CONFIG_KGDB |
| 442 | ppc_md.early_serial_map = bamboo_early_serial_map; |
| 443 | #endif |
| 444 | } |
| 445 | |