Wolfgang Denk | 8637071 | 2007-01-15 13:41:04 +0100 | [diff] [blame] | 1 | /* |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 2 | * (C) Copyright 2007 |
| 3 | * Heiko Schocher, DENX Software Engineering, <hs@denx.de>. |
| 4 | * |
| 5 | * (C) Copyright 2003 |
| 6 | * Juergen Beisert, EuroDesign embedded technologies, info@eurodsn.de |
| 7 | * Derived from walnut.c |
| 8 | * |
| 9 | * (C) Copyright 2000 |
| 10 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 11 | * |
| 12 | * See file CREDITS for list of people who contributed to this |
| 13 | * project. |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or |
| 16 | * modify it under the terms of the GNU General Public License as |
| 17 | * published by the Free Software Foundation; either version 2 of |
| 18 | * the License, or (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | * GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License |
| 26 | * along with this program; if not, write to the Free Software |
| 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 28 | * MA 02111-1307 USA |
| 29 | * |
| 30 | * $Log:$ |
| 31 | */ |
| 32 | |
| 33 | #include <common.h> |
| 34 | #include <asm/processor.h> |
| 35 | #include <asm/io.h> |
Wolfgang Denk | 4f64001 | 2007-01-16 18:30:50 +0100 | [diff] [blame] | 36 | #include "sc3.h" |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 37 | #include <pci.h> |
| 38 | #include <i2c.h> |
| 39 | #include <malloc.h> |
Ben Warren | 052a5ea | 2008-08-31 20:37:00 -0700 | [diff] [blame] | 40 | #include <netdev.h> |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 41 | |
| 42 | #undef writel |
| 43 | #undef writeb |
| 44 | #define writeb(b,addr) ((*(volatile u8 *) (addr)) = (b)) |
| 45 | #define writel(b,addr) ((*(volatile u32 *) (addr)) = (b)) |
| 46 | |
| 47 | /* write only register to configure things in our CPLD */ |
| 48 | #define CPLD_CONTROL_1 0x79000102 |
| 49 | #define CPLD_VERSION 0x79000103 |
| 50 | |
| 51 | #define IS_CAMERON ((*(unsigned char *)(CPLD_VERSION)== 0x32) ? 1 : 0) |
| 52 | |
| 53 | static struct pci_controller hose={0,}; |
| 54 | |
| 55 | /************************************************************ |
| 56 | * Standard definition |
| 57 | ************************************************************/ |
| 58 | |
| 59 | /* CPC0_CR0 Function ISA bus |
| 60 | - GPIO0 |
| 61 | - GPIO1 -> Output: NAND-Command Latch Enable |
| 62 | - GPIO2 -> Output: NAND Address Latch Enable |
| 63 | - GPIO3 -> IRQ input ISA-IRQ #5 (through CPLD) |
| 64 | - GPIO4 -> Output: NAND-Chip Enable |
| 65 | - GPIO5 -> IRQ input ISA-IRQ#7 (through CPLD) |
| 66 | - GPIO6 -> IRQ input ISA-IRQ#9 (through CPLD) |
| 67 | - GPIO7 -> IRQ input ISA-IRQ#10 (through CPLD) |
| 68 | - GPIO8 -> IRQ input ISA-IRQ#11 (through CPLD) |
| 69 | - GPIO9 -> IRQ input ISA-IRQ#12 (through CPLD) |
| 70 | - GPIO10/CS1# -> CS1# NAND ISA-CS#0 |
| 71 | - GPIO11/CS2# -> CS2# ISA emulation ISA-CS#1 |
| 72 | - GPIO12/CS3# -> CS3# 2nd Flash-Bank ISA-CS#2 or ISA-CS#7 |
| 73 | - GPIO13/CS4# -> CS4# USB HC or ISA emulation ISA-CS#3 |
| 74 | - GPIO14/CS5# -> CS5# Boosted IDE access ISA-CS#4 |
| 75 | - GPIO15/CS6# -> CS6# ISA emulation ISA-CS#5 |
| 76 | - GPIO16/CS7# -> CS7# ISA emulation ISA-CS#6 |
| 77 | - GPIO17/IRQ0 -> GPIO, in, NAND-Ready/Busy# line ISA-IRQ#3 |
| 78 | - GPIO18/IRQ1 -> IRQ input ISA-IRQ#14 |
| 79 | - GPIO19/IRQ2 -> IRQ input or USB ISA-IRQ#4 |
| 80 | - GPIO20/IRQ3 -> IRQ input PCI-IRQ#D |
| 81 | - GPIO21/IRQ4 -> IRQ input PCI-IRQ#C |
| 82 | - GPIO22/IRQ5 -> IRQ input PCI-IRQ#B |
| 83 | - GPIO23/IRQ6 -> IRQ input PCI-IRQ#A |
| 84 | - GPIO24 -> if GPIO output: 0=JTAG CPLD activ, 1=JTAG CPLD inactiv |
| 85 | */ |
| 86 | /* |
| 87 | | CPLD register: io-space at offset 0x102 (write only) |
| 88 | | 0 |
| 89 | | 1 |
| 90 | | 2 0=CS#4 USB CS#, 1=ISA or GP bus |
| 91 | | 3 |
| 92 | | 4 |
| 93 | | 5 |
| 94 | | 6 1=enable faster IDE access |
| 95 | | 7 |
| 96 | */ |
| 97 | #define USB_CHIP_ENABLE 0x04 |
| 98 | #define IDE_BOOSTING 0x40 |
| 99 | |
| 100 | /* --------------- USB stuff ------------------------------------- */ |
| 101 | #ifdef CONFIG_ISP1161_PRESENT |
| 102 | /** |
| 103 | * initUsbHost- Initialize the Philips isp1161 HC part if present |
| 104 | * @cpldConfig: Pointer to value in write only CPLD register |
| 105 | * |
| 106 | * Initialize the USB host controller if present and fills the |
| 107 | * scratch register to inform the driver about used resources |
| 108 | */ |
| 109 | |
| 110 | static void initUsbHost (unsigned char *cpldConfig) |
| 111 | { |
| 112 | int i; |
| 113 | unsigned long usbBase; |
| 114 | /* |
| 115 | * Read back where init.S has located the USB chip |
| 116 | */ |
| 117 | mtdcr (0x012, 0x04); |
| 118 | usbBase = mfdcr (0x013); |
| 119 | if (!(usbBase & 0x18000)) /* enabled? */ |
| 120 | return; |
| 121 | usbBase &= 0xFFF00000; |
| 122 | |
| 123 | /* |
| 124 | * to test for the USB controller enable using of CS#4 and DMA 3 for USB access |
| 125 | */ |
| 126 | writeb (*cpldConfig | USB_CHIP_ENABLE,CPLD_CONTROL_1); |
| 127 | |
| 128 | /* |
| 129 | * first check: is the controller assembled? |
| 130 | */ |
| 131 | hcWriteWord (usbBase, 0x5555, HcScratch); |
| 132 | if (hcReadWord (usbBase, HcScratch) == 0x5555) { |
| 133 | hcWriteWord (usbBase, 0xAAAA, HcScratch); |
| 134 | if (hcReadWord (usbBase, HcScratch) == 0xAAAA) { |
| 135 | if ((hcReadWord (usbBase, HcChipID) & 0xFF00) != 0x6100) |
| 136 | return; /* this is not our controller */ |
| 137 | /* |
| 138 | * try a software reset. This needs up to 10 seconds (see datasheet) |
| 139 | */ |
| 140 | hcWriteDWord (usbBase, 0x00000001, HcCommandStatus); |
| 141 | for (i = 1000; i > 0; i--) { /* loop up to 10 seconds */ |
| 142 | udelay (10); |
| 143 | if (!(hcReadDWord (usbBase, HcCommandStatus) & 0x01)) |
| 144 | break; |
| 145 | } |
| 146 | |
| 147 | if (!i) |
| 148 | return; /* the controller doesn't responding. Broken? */ |
| 149 | /* |
| 150 | * OK. USB controller is ready. Initialize it in such way the later driver |
| 151 | * can us it (without any knowing about specific implementation) |
| 152 | */ |
| 153 | hcWriteDWord (usbBase, 0x00000000, HcControl); |
| 154 | /* |
| 155 | * disable all interrupt sources. Because we |
| 156 | * don't know where we come from (hard reset, cold start, soft reset...) |
| 157 | */ |
| 158 | hcWriteDWord (usbBase, 0x8000007D, HcInterruptDisable); |
| 159 | /* |
| 160 | * our current setup hardware configuration |
| 161 | * - every port power supply can switched indepently |
| 162 | * - every port can signal overcurrent |
| 163 | * - every port is "outside" and the devices are removeable |
| 164 | */ |
| 165 | hcWriteDWord (usbBase, 0x32000902, HcRhDescriptorA); |
| 166 | hcWriteDWord (usbBase, 0x00060000, HcRhDescriptorB); |
| 167 | /* |
| 168 | * don't forget to switch off power supply of each port |
| 169 | * The later running driver can reenable them to find and use |
| 170 | * the (maybe) connected devices. |
| 171 | * |
| 172 | */ |
| 173 | hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus1); |
| 174 | hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus2); |
| 175 | hcWriteWord (usbBase, 0x0428, HcHardwareConfiguration); |
| 176 | hcWriteWord (usbBase, 0x0040, HcDMAConfiguration); |
| 177 | hcWriteWord (usbBase, 0x0000, HcuPInterruptEnable); |
| 178 | hcWriteWord (usbBase, 0xA000 | (0x03 << 8) | 27, HcScratch); |
| 179 | /* |
| 180 | * controller is present and usable |
| 181 | */ |
| 182 | *cpldConfig |= USB_CHIP_ENABLE; |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | #endif |
| 187 | |
| 188 | #if defined(CONFIG_START_IDE) |
| 189 | int board_start_ide(void) |
| 190 | { |
| 191 | if (IS_CAMERON) { |
| 192 | puts ("no IDE on cameron board.\n"); |
| 193 | return 0; |
| 194 | } |
| 195 | return 1; |
| 196 | } |
| 197 | #endif |
| 198 | |
| 199 | static int sc3_cameron_init (void) |
| 200 | { |
| 201 | /* Set up the Memory Controller for the CAMERON version */ |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 202 | mtebc (PB4AP, 0x01805940); |
| 203 | mtebc (PB4CR, 0x7401a000); |
| 204 | mtebc (PB5AP, 0x01805940); |
| 205 | mtebc (PB5CR, 0x7401a000); |
| 206 | mtebc (PB6AP, 0x0); |
| 207 | mtebc (PB6CR, 0x0); |
| 208 | mtebc (PB7AP, 0x0); |
| 209 | mtebc (PB7CR, 0x0); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | void sc3_read_eeprom (void) |
| 214 | { |
| 215 | uchar i2c_buffer[18]; |
| 216 | |
| 217 | i2c_read (0x50, 0x03, 1, i2c_buffer, 9); |
| 218 | i2c_buffer[9] = 0; |
| 219 | setenv ("serial#", (char *)i2c_buffer); |
| 220 | |
| 221 | /* read mac-address from eeprom */ |
| 222 | i2c_read (0x50, 0x11, 1, i2c_buffer, 15); |
| 223 | i2c_buffer[17] = 0; |
| 224 | i2c_buffer[16] = i2c_buffer[14]; |
| 225 | i2c_buffer[15] = i2c_buffer[13]; |
| 226 | i2c_buffer[14] = ':'; |
| 227 | i2c_buffer[13] = i2c_buffer[12]; |
| 228 | i2c_buffer[12] = i2c_buffer[11]; |
| 229 | i2c_buffer[11] = ':'; |
| 230 | i2c_buffer[8] = ':'; |
| 231 | i2c_buffer[5] = ':'; |
| 232 | i2c_buffer[2] = ':'; |
| 233 | setenv ("ethaddr", (char *)i2c_buffer); |
| 234 | } |
| 235 | |
| 236 | int board_early_init_f (void) |
| 237 | { |
| 238 | /* write only register to configure things in our CPLD */ |
| 239 | unsigned char cpldConfig_1=0x00; |
| 240 | |
| 241 | /*-------------------------------------------------------------------------+ |
| 242 | | Interrupt controller setup for the SolidCard III CPU card (plus Evaluation board). |
| 243 | | |
| 244 | | Note: IRQ 0 UART 0, active high; level sensitive |
| 245 | | IRQ 1 UART 1, active high; level sensitive |
| 246 | | IRQ 2 IIC, active high; level sensitive |
| 247 | | IRQ 3 Ext. master, rising edge, edge sensitive |
| 248 | | IRQ 4 PCI, active high; level sensitive |
| 249 | | IRQ 5 DMA Channel 0, active high; level sensitive |
| 250 | | IRQ 6 DMA Channel 1, active high; level sensitive |
| 251 | | IRQ 7 DMA Channel 2, active high; level sensitive |
| 252 | | IRQ 8 DMA Channel 3, active high; level sensitive |
| 253 | | IRQ 9 Ethernet Wakeup, active high; level sensitive |
| 254 | | IRQ 10 MAL System Error (SERR), active high; level sensitive |
| 255 | | IRQ 11 MAL Tx End of Buffer, active high; level sensitive |
| 256 | | IRQ 12 MAL Rx End of Buffer, active high; level sensitive |
| 257 | | IRQ 13 MAL Tx Descriptor Error, active high; level sensitive |
| 258 | | IRQ 14 MAL Rx Descriptor Error, active high; level sensitive |
| 259 | | IRQ 15 Ethernet, active high; level sensitive |
| 260 | | IRQ 16 External PCI SERR, active high; level sensitive |
| 261 | | IRQ 17 ECC Correctable Error, active high; level sensitive |
| 262 | | IRQ 18 PCI Power Management, active high; level sensitive |
| 263 | | |
| 264 | | IRQ 19 (EXT IRQ7 405GPr only) |
| 265 | | IRQ 20 (EXT IRQ8 405GPr only) |
| 266 | | IRQ 21 (EXT IRQ9 405GPr only) |
| 267 | | IRQ 22 (EXT IRQ10 405GPr only) |
| 268 | | IRQ 23 (EXT IRQ11 405GPr only) |
| 269 | | IRQ 24 (EXT IRQ12 405GPr only) |
| 270 | | |
| 271 | | IRQ 25 (EXT IRQ 0) NAND-Flash R/B# (raising edge means flash is ready) |
| 272 | | IRQ 26 (EXT IRQ 1) IDE0 interrupt (x86 = IRQ14). Active high (edge sensitive) |
| 273 | | IRQ 27 (EXT IRQ 2) USB controller |
| 274 | | IRQ 28 (EXT IRQ 3) INT D, VGA; active low; level sensitive |
| 275 | | IRQ 29 (EXT IRQ 4) INT C, Ethernet; active low; level sensitive |
| 276 | | IRQ 30 (EXT IRQ 5) INT B, PC104+ SLOT; active low; level sensitive |
| 277 | | IRQ 31 (EXT IRQ 6) INT A, PC104+ SLOT; active low; level sensitive |
| 278 | | |
| 279 | | Direct Memory Access Controller Signal Polarities |
| 280 | | DRQ0 active high (like ISA) |
| 281 | | ACK0 active low (like ISA) |
| 282 | | EOT0 active high (like ISA) |
| 283 | | DRQ1 active high (like ISA) |
| 284 | | ACK1 active low (like ISA) |
| 285 | | EOT1 active high (like ISA) |
| 286 | | DRQ2 active high (like ISA) |
| 287 | | ACK2 active low (like ISA) |
| 288 | | EOT2 active high (like ISA) |
| 289 | | DRQ3 active high (like ISA) |
| 290 | | ACK3 active low (like ISA) |
| 291 | | EOT3 active high (like ISA) |
| 292 | | |
| 293 | +-------------------------------------------------------------------------*/ |
| 294 | |
| 295 | writeb (cpldConfig_1, CPLD_CONTROL_1); /* disable everything in CPLD */ |
| 296 | |
Stefan Roese | 707fd36 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 297 | mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
| 298 | mtdcr (UIC0ER, 0x00000000); /* disable all ints */ |
| 299 | mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */ |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 300 | |
| 301 | if (IS_CAMERON) { |
| 302 | sc3_cameron_init(); |
| 303 | mtdcr (0x0B6, 0x18000000); |
Stefan Roese | 707fd36 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 304 | mtdcr (UIC0PR, 0xFFFFFFF0); |
| 305 | mtdcr (UIC0TR, 0x10001030); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 306 | } else { |
| 307 | mtdcr (0x0B6, 0x0000000); |
Stefan Roese | 707fd36 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 308 | mtdcr (UIC0PR, 0xFFFFFFE0); |
| 309 | mtdcr (UIC0TR, 0x10000020); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 310 | } |
Stefan Roese | 707fd36 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 311 | mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */ |
| 312 | mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 313 | |
| 314 | /* setup other implementation specific details */ |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 315 | mtdcr (CPC0_ECR, 0x60606000); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 316 | |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 317 | mtdcr (CPC0_CR1, 0x000042C0); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 318 | |
| 319 | if (IS_CAMERON) { |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 320 | mtdcr (CPC0_CR0, 0x01380000); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 321 | /* Setup the GPIOs */ |
| 322 | writel (0x08008000, 0xEF600700); /* Output states */ |
| 323 | writel (0x00000000, 0xEF600718); /* Open Drain control */ |
| 324 | writel (0x68098000, 0xEF600704); /* Output control */ |
| 325 | } else { |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 326 | mtdcr (CPC0_CR0,0x00080000); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 327 | /* Setup the GPIOs */ |
| 328 | writel (0x08000000, 0xEF600700); /* Output states */ |
| 329 | writel (0x14000000, 0xEF600718); /* Open Drain control */ |
| 330 | writel (0x7C000000, 0xEF600704); /* Output control */ |
| 331 | } |
| 332 | |
| 333 | /* Code decompression disabled */ |
Stefan Roese | 8cb251a | 2010-09-12 06:21:37 +0200 | [diff] [blame] | 334 | mtdcr (DCP0_CFGADDR, KCONF); |
| 335 | mtdcr (DCP0_CFGDATA, 0x2B); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 336 | |
| 337 | /* CPC0_ER: enable sleep mode of (currently) unused components */ |
| 338 | /* CPC0_FR: force unused components into sleep mode */ |
Stefan Roese | 8cb251a | 2010-09-12 06:21:37 +0200 | [diff] [blame] | 339 | mtdcr (CPC0_ER, 0x3F800000); |
| 340 | mtdcr (CPC0_FR, 0x14000000); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 341 | |
| 342 | /* set PLB priority */ |
Stefan Roese | 8cb251a | 2010-09-12 06:21:37 +0200 | [diff] [blame] | 343 | mtdcr (PLB0_ACR, 0x08000000); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 344 | |
| 345 | /* --------------- DMA stuff ------------------------------------- */ |
| 346 | mtdcr (0x126, 0x49200000); |
| 347 | |
| 348 | #ifndef IDE_USES_ISA_EMULATION |
| 349 | cpldConfig_1 |= IDE_BOOSTING; /* enable faster IDE */ |
| 350 | /* cpldConfig |= 0x01; */ /* enable 8.33MHz output, if *not* present on your baseboard */ |
| 351 | writeb (cpldConfig_1, CPLD_CONTROL_1); |
| 352 | #endif |
| 353 | |
| 354 | #ifdef CONFIG_ISP1161_PRESENT |
| 355 | initUsbHost (&cpldConfig_1); |
| 356 | writeb (cpldConfig_1, CPLD_CONTROL_1); |
| 357 | #endif |
Heiko Schocher | 37efa39 | 2007-01-18 11:28:51 +0100 | [diff] [blame] | 358 | /* FIXME: for what must we do this */ |
| 359 | *(unsigned long *)0x79000080 = 0x0001; |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 360 | return(0); |
| 361 | } |
| 362 | |
| 363 | int misc_init_r (void) |
| 364 | { |
| 365 | char *s1; |
| 366 | int i, xilinx_val; |
| 367 | volatile char *xilinx_adr; |
| 368 | xilinx_adr = (char *)0x79000102; |
| 369 | |
| 370 | *xilinx_adr = 0x00; |
| 371 | |
| 372 | /* customer settings ***************************************** */ |
| 373 | /* |
| 374 | s1 = getenv ("function"); |
| 375 | if (s1) { |
| 376 | if (!strcmp (s1, "Rosho")) { |
| 377 | printf ("function 'Rosho' activated\n"); |
| 378 | *xilinx_adr = 0x40; |
| 379 | } |
| 380 | else { |
| 381 | printf (">>>>>>>>>> function %s not recognized\n",s1); |
| 382 | } |
| 383 | } |
| 384 | */ |
| 385 | |
| 386 | /* individual settings ***************************************** */ |
| 387 | if ((s1 = getenv ("xilinx"))) { |
| 388 | i=0; |
| 389 | xilinx_val = 0; |
| 390 | while (i < 3 && s1[i]) { |
| 391 | if (s1[i] >= '0' && s1[i] <= '9') |
| 392 | xilinx_val = (xilinx_val << 4) + s1[i] - '0'; |
| 393 | else |
| 394 | if (s1[i] >= 'A' && s1[i] <= 'F') |
| 395 | xilinx_val = (xilinx_val << 4) + s1[i] - 'A' + 10; |
| 396 | else |
| 397 | if (s1[i] >= 'a' && s1[i] <= 'f') |
| 398 | xilinx_val = (xilinx_val << 4) + s1[i] - 'a' + 10; |
| 399 | else { |
| 400 | xilinx_val = -1; |
| 401 | break; |
| 402 | } |
| 403 | i++; |
| 404 | } |
| 405 | if (xilinx_val >= 0 && xilinx_val <=255 && i < 3) { |
| 406 | printf ("Xilinx: set to %s\n", s1); |
| 407 | *xilinx_adr = (unsigned char) xilinx_val; |
| 408 | } else |
| 409 | printf ("Xilinx: rejected value %s\n", s1); |
| 410 | } |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | /* ------------------------------------------------------------------------- |
| 415 | * printCSConfig |
| 416 | * |
| 417 | * Print some informations about chips select configurations |
| 418 | * Only used while debugging. |
| 419 | * |
| 420 | * Params: |
| 421 | * - No. of CS pin |
| 422 | * - AP of this CS |
| 423 | * - CR of this CS |
| 424 | * |
| 425 | * Returns |
| 426 | * nothing |
| 427 | ------------------------------------------------------------------------- */ |
| 428 | |
| 429 | #ifdef SC3_DEBUGOUT |
| 430 | static void printCSConfig(int reg,unsigned long ap,unsigned long cr) |
| 431 | { |
| 432 | const char *bsize[4] = {"8","16","32","?"}; |
| 433 | const unsigned char banks[8] = {1, 2, 4, 8, 16, 32, 64, 128}; |
| 434 | const char *bankaccess[4] = {"disabled", "RO", "WO", "RW"}; |
| 435 | |
| 436 | #define CYCLE 30 /* time of one clock (based on 33MHz) */ |
| 437 | |
| 438 | printf("\nCS#%d",reg); |
| 439 | if (!(cr & 0x00018000)) |
| 440 | puts(" unused"); |
| 441 | else { |
| 442 | if (((cr&0xFFF00000U) & ((banks[(cr & 0x000E0000) >> 17]-1) << 20))) |
| 443 | puts(" Address is not multiple of bank size!"); |
| 444 | |
| 445 | printf("\n -%s bit device", |
| 446 | bsize[(cr & 0x00006000) >> 13]); |
| 447 | printf(" at 0x%08lX", cr & 0xFFF00000U); |
| 448 | printf(" size: %u MB", banks[(cr & 0x000E0000) >> 17]); |
| 449 | printf(" rights: %s", bankaccess[(cr & 0x00018000) >> 15]); |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 450 | if (ap & 0x80000000) { |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 451 | printf("\n -Burst device (%luns/%luns)", |
| 452 | (((ap & 0x7C000000) >> 26) + 1) * CYCLE, |
| 453 | (((ap & 0x03800000) >> 23) + 1) * CYCLE); |
| 454 | } else { |
| 455 | printf("\n -Non burst device, active cycle %luns", |
| 456 | (((ap & 0x7F800000) >> 23) + 1) * CYCLE); |
| 457 | printf("\n -Address setup %luns", |
| 458 | ((ap & 0xC0000) >> 18) * CYCLE); |
| 459 | printf("\n -CS active to RD %luns/WR %luns", |
Wolfgang Denk | 8637071 | 2007-01-15 13:41:04 +0100 | [diff] [blame] | 460 | ((ap & 0x30000) >> 16) * CYCLE, |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 461 | ((ap & 0xC000) >> 14) * CYCLE); |
| 462 | printf("\n -WR to CS inactive %luns", |
| 463 | ((ap & 0x3000) >> 12) * CYCLE); |
| 464 | printf("\n -Hold after access %luns", |
| 465 | ((ap & 0xE00) >> 9) * CYCLE); |
| 466 | printf("\n -Ready is %sabled", |
| 467 | ap & 0x100 ? "en" : "dis"); |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | #endif |
| 472 | |
| 473 | #ifdef SC3_DEBUGOUT |
| 474 | |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 475 | static unsigned int ap[] = {PB0AP, PB1AP, PB2AP, PB3AP, PB4AP, |
| 476 | PB5AP, PB6AP, PB7AP}; |
| 477 | static unsigned int cr[] = {PB0CR, PB1CR, PB2CR, PB3CR, PB4CR, |
| 478 | PB5CR, PB6CR, PB7CR}; |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 479 | |
| 480 | static int show_reg (int nr) |
| 481 | { |
| 482 | unsigned long ul1, ul2; |
| 483 | |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 484 | mtdcr (EBC0_CFGADDR, ap[nr]); |
| 485 | ul1 = mfdcr (EBC0_CFGDATA); |
| 486 | mtdcr (EBC0_CFGADDR, cr[nr]); |
| 487 | ul2 = mfdcr(EBC0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 488 | printCSConfig(nr, ul1, ul2); |
| 489 | return 0; |
| 490 | } |
| 491 | #endif |
| 492 | |
| 493 | int checkboard (void) |
| 494 | { |
| 495 | #ifdef SC3_DEBUGOUT |
| 496 | unsigned long ul1; |
| 497 | int i; |
| 498 | |
| 499 | for (i = 0; i < 8; i++) { |
| 500 | show_reg (i); |
| 501 | } |
Wolfgang Denk | 8637071 | 2007-01-15 13:41:04 +0100 | [diff] [blame] | 502 | |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 503 | mtdcr (EBC0_CFGADDR, EBC0_CFG); |
| 504 | ul1 = mfdcr (EBC0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 505 | |
| 506 | puts ("\nGeneral configuration:\n"); |
| 507 | |
| 508 | if (ul1 & 0x80000000) |
| 509 | printf(" -External Bus is always driven\n"); |
| 510 | |
| 511 | if (ul1 & 0x400000) |
| 512 | printf(" -CS signals are always driven\n"); |
| 513 | |
| 514 | if (ul1 & 0x20000) |
| 515 | printf(" -PowerDown after %lu clocks\n", |
| 516 | (ul1 & 0x1F000) >> 7); |
| 517 | |
| 518 | switch (ul1 & 0xC0000) |
| 519 | { |
| 520 | case 0xC0000: |
| 521 | printf(" -No external master present\n"); |
| 522 | break; |
| 523 | case 0x00000: |
| 524 | printf(" -8 bit external master present\n"); |
| 525 | break; |
| 526 | case 0x40000: |
| 527 | printf(" -16 bit external master present\n"); |
| 528 | break; |
| 529 | case 0x80000: |
| 530 | printf(" -32 bit external master present\n"); |
| 531 | break; |
| 532 | } |
| 533 | |
| 534 | switch (ul1 & 0x300000) |
| 535 | { |
| 536 | case 0x300000: |
| 537 | printf(" -Prefetch: Illegal setting!\n"); |
| 538 | break; |
| 539 | case 0x000000: |
| 540 | printf(" -1 doubleword prefetch\n"); |
| 541 | break; |
| 542 | case 0x100000: |
| 543 | printf(" -2 doublewords prefetch\n"); |
| 544 | break; |
| 545 | case 0x200000: |
| 546 | printf(" -4 doublewords prefetch\n"); |
| 547 | break; |
| 548 | } |
| 549 | putc ('\n'); |
| 550 | #endif |
| 551 | printf("Board: SolidCard III %s %s version.\n", |
| 552 | (IS_CAMERON ? "Cameron" : "Eurodesign"), CONFIG_SC3_VERSION); |
| 553 | return 0; |
| 554 | } |
| 555 | |
| 556 | static int printSDRAMConfig(char reg, unsigned long cr) |
| 557 | { |
| 558 | const int bisize[8]={4, 8, 16, 32, 64, 128, 256, 0}; |
| 559 | #ifdef SC3_DEBUGOUT |
| 560 | const char *basize[8]= |
| 561 | {"4", "8", "16", "32", "64", "128", "256", "Reserved"}; |
| 562 | |
| 563 | printf("SDRAM bank %d",reg); |
| 564 | |
| 565 | if (!(cr & 0x01)) |
| 566 | puts(" disabled\n"); |
| 567 | else { |
| 568 | printf(" at 0x%08lX, size %s MB",cr & 0xFFC00000,basize[(cr&0xE0000)>>17]); |
| 569 | printf(" mode %lu\n",((cr & 0xE000)>>13)+1); |
| 570 | } |
| 571 | #endif |
| 572 | |
| 573 | if (cr & 0x01) |
| 574 | return(bisize[(cr & 0xE0000) >> 17]); |
| 575 | |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | #ifdef SC3_DEBUGOUT |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 580 | static unsigned int mbcf[] = {SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2CR, SDRAM0_B3CR}; |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 581 | #endif |
| 582 | |
Becky Bruce | bd99ae7 | 2008-06-09 16:03:40 -0500 | [diff] [blame] | 583 | phys_size_t initdram (int board_type) |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 584 | { |
| 585 | unsigned int mems=0; |
| 586 | unsigned long ul1; |
| 587 | |
| 588 | #ifdef SC3_DEBUGOUT |
| 589 | unsigned long ul2; |
| 590 | int i; |
| 591 | |
| 592 | puts("\nSDRAM configuration:\n"); |
| 593 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 594 | mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 595 | ul1 = mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 596 | |
| 597 | if (!(ul1 & 0x80000000)) { |
| 598 | puts(" Controller disabled\n"); |
| 599 | return 0; |
| 600 | } |
| 601 | for (i = 0; i < 4; i++) { |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 602 | mtdcr (SDRAM0_CFGADDR, mbcf[i]); |
| 603 | ul1 = mfdcr (SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 604 | mems += printSDRAMConfig (i, ul1); |
| 605 | } |
| 606 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 607 | mtdcr (SDRAM0_CFGADDR, SDRAM0_TR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 608 | ul1 = mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 609 | |
| 610 | printf ("Timing:\n -CAS latency %lu\n", ((ul1 & 0x1800000) >> 23)+1); |
| 611 | printf (" -Precharge %lu (PTA) \n", ((ul1 & 0xC0000) >> 18) + 1); |
| 612 | printf (" -R/W to Precharge %lu (CTP)\n", ((ul1 & 0x30000) >> 16) + 1); |
| 613 | printf (" -Leadoff %lu\n", ((ul1 & 0xC000) >> 14) + 1); |
| 614 | printf (" -CAS to RAS %lu\n", ((ul1 & 0x1C) >> 2) + 4); |
| 615 | printf (" -RAS to CAS %lu\n", ((ul1 & 0x3) + 1)); |
| 616 | puts ("Misc:\n"); |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 617 | mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 618 | ul1 = mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 619 | printf (" -Refresh rate: %luns\n", (ul1 >> 16) * 7); |
| 620 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 621 | mtdcr(SDRAM0_CFGADDR,SDRAM0_PMIT); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 622 | ul2=mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 623 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 624 | mtdcr(SDRAM0_CFGADDR,SDRAM0_CFG); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 625 | ul1=mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 626 | |
| 627 | if (ul1 & 0x20000000) |
| 628 | printf(" -Power Down after: %luns\n", |
| 629 | ((ul2 & 0xFFC00000) >> 22) * 7); |
| 630 | else |
| 631 | puts(" -Power Down disabled\n"); |
| 632 | |
| 633 | if (ul1 & 0x40000000) |
| 634 | printf(" -Self refresh feature active\n"); |
| 635 | else |
| 636 | puts(" -Self refresh disabled\n"); |
| 637 | |
| 638 | if (ul1 & 0x10000000) |
| 639 | puts(" -ECC enabled\n"); |
| 640 | else |
| 641 | puts(" -ECC disabled\n"); |
| 642 | |
| 643 | if (ul1 & 0x8000000) |
| 644 | puts(" -Using registered SDRAM\n"); |
| 645 | |
| 646 | if (!(ul1 & 0x6000000)) |
| 647 | puts(" -Using 32 bit data width\n"); |
| 648 | else |
| 649 | puts(" -Illegal data width!\n"); |
| 650 | |
| 651 | if (ul1 & 0x400000) |
| 652 | puts(" -ECC drivers inactive\n"); |
| 653 | else |
| 654 | puts(" -ECC drivers active\n"); |
| 655 | |
| 656 | if (ul1 & 0x200000) |
| 657 | puts(" -Memory lines always active outputs\n"); |
| 658 | else |
| 659 | puts(" -Memory lines only at write cycles active outputs\n"); |
| 660 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 661 | mtdcr (SDRAM0_CFGADDR, SDRAM0_STATUS); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 662 | ul1 = mfdcr (SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 663 | if (ul1 & 0x80000000) |
| 664 | puts(" -SDRAM Controller ready\n"); |
| 665 | else |
| 666 | puts(" -SDRAM Controller not ready\n"); |
| 667 | |
| 668 | if (ul1 & 0x4000000) |
| 669 | puts(" -SDRAM in self refresh mode!\n"); |
| 670 | |
| 671 | return (mems * 1024 * 1024); |
| 672 | #else |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 673 | mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 674 | ul1 = mfdcr (SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 675 | mems = printSDRAMConfig (0, ul1); |
| 676 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 677 | mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 678 | ul1 = mfdcr (SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 679 | mems += printSDRAMConfig (1, ul1); |
| 680 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 681 | mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 682 | ul1 = mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 683 | mems += printSDRAMConfig (2, ul1); |
| 684 | |
Stefan Roese | 6987e65 | 2009-09-24 13:59:57 +0200 | [diff] [blame] | 685 | mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); |
Stefan Roese | 918010a | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 686 | ul1 = mfdcr(SDRAM0_CFGDATA); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 687 | mems += printSDRAMConfig (3, ul1); |
| 688 | |
| 689 | return (mems * 1024 * 1024); |
| 690 | #endif |
| 691 | } |
| 692 | |
| 693 | static void pci_solidcard3_fixup_irq (struct pci_controller *hose, pci_dev_t dev) |
| 694 | { |
| 695 | /*-------------------------------------------------------------------------+ |
| 696 | | ,-. ,-. ,-. ,-. ,-. |
| 697 | | INTD# ----|B|-----|P|-. ,-|P|-. ,-| |-. ,-|G| |
| 698 | | |R| |C| \ / |C| \ / |E| \ / |r| |
| 699 | | INTC# ----|I|-----|1|-. `/---|1|-. `/---|t|-. `/---|a| |
| 700 | | |D| |0| \/ |0| \/ |h| \/ |f| |
| 701 | | INTB# ----|G|-----|4|-./`----|4|-./`----|e|-./`----|i| |
| 702 | | |E| |+| /\ |+| /\ |r| /\ |k| |
| 703 | | INTA# ----| |-----| |- `----| |- `----| |- `----| | |
| 704 | | `-' `-' `-' `-' `-' |
| 705 | | Slot 0 10 11 12 13 |
| 706 | | REQ# 0 1 2 * |
| 707 | | GNT# 0 1 2 * |
| 708 | +-------------------------------------------------------------------------*/ |
| 709 | unsigned char int_line = 0xff; |
| 710 | |
| 711 | switch (PCI_DEV(dev)) { |
| 712 | case 10: |
Wolfgang Denk | 8637071 | 2007-01-15 13:41:04 +0100 | [diff] [blame] | 713 | int_line = 31; /* INT A */ |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 714 | POST_OUT(0x42); |
| 715 | break; |
| 716 | |
| 717 | case 11: |
| 718 | int_line = 30; /* INT B */ |
| 719 | POST_OUT(0x43); |
| 720 | break; |
| 721 | |
| 722 | case 12: |
| 723 | int_line = 29; /* INT C */ |
| 724 | POST_OUT(0x44); |
| 725 | break; |
| 726 | |
| 727 | case 13: |
| 728 | int_line = 28; /* INT D */ |
| 729 | POST_OUT(0x45); |
| 730 | break; |
| 731 | } |
| 732 | pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); |
| 733 | } |
| 734 | |
| 735 | extern void pci_405gp_init(struct pci_controller *hose); |
| 736 | extern void pci_405gp_fixup_irq(struct pci_controller *hose, pci_dev_t dev); |
| 737 | extern void pci_405gp_setup_bridge(struct pci_controller *hose, pci_dev_t dev,struct pci_config_table *entry); |
| 738 | /* |
| 739 | * The following table is used when there is a special need to setup a PCI device. |
| 740 | * For every PCI device found in this table is called the given init function with given |
| 741 | * parameters. So never let all IDs at PCI_ANY_ID. In this case any found device gets the same |
| 742 | * parameters! |
| 743 | * |
| 744 | */ |
| 745 | static struct pci_config_table pci_solidcard3_config_table[] = |
| 746 | { |
| 747 | /* Host to PCI Bridge device (405GP) */ |
| 748 | { |
| 749 | vendor: 0x1014, |
| 750 | device: 0x0156, |
| 751 | class: PCI_CLASS_BRIDGE_HOST, |
| 752 | bus: 0, |
| 753 | dev: 0, |
| 754 | func: 0, |
| 755 | config_device: pci_405gp_setup_bridge |
| 756 | }, |
| 757 | { } |
| 758 | }; |
| 759 | |
| 760 | /*-------------------------------------------------------------------------+ |
Marcel Ziswiler | aea6856 | 2007-12-30 03:30:46 +0100 | [diff] [blame] | 761 | | pci_init_board (Called from pci_init() in drivers/pci/pci.c) |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 762 | | |
| 763 | | Init the PCI part of the SolidCard III |
| 764 | | |
| 765 | | Params: |
| 766 | * - Pointer to current PCI hose |
| 767 | * - Current Device |
| 768 | * |
| 769 | * Returns |
| 770 | * nothing |
| 771 | +-------------------------------------------------------------------------*/ |
| 772 | |
| 773 | void pci_init_board(void) |
| 774 | { |
| 775 | POST_OUT(0x41); |
| 776 | /* |
| 777 | * we want the ptrs to RAM not flash (ie don't use init list) |
| 778 | */ |
| 779 | hose.fixup_irq = pci_solidcard3_fixup_irq; |
| 780 | hose.config_table = pci_solidcard3_config_table; |
| 781 | pci_405gp_init(&hose); |
| 782 | } |
Ben Warren | 052a5ea | 2008-08-31 20:37:00 -0700 | [diff] [blame] | 783 | |
| 784 | int board_eth_init(bd_t *bis) |
| 785 | { |
| 786 | return pci_eth_init(bis); |
| 787 | } |