release/src-rt-6.x/cfe/cfe/arch/mips/board/pt1125/src/pt1125_devs.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Board device initialization              File: pt1125_devs.c
   5     *
   6     *  This is the "C" part of the board support package.  The
   7     *  routines to create and initialize the console, wire up
   8     *  device drivers, and do other customization live here.
   9     *
  10     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
  11     *
  12     *  modification history
  13     *  --------------------
  14     *  01a,01aug02,gtb  derived from pt1125_devs.c
  15     *
  16     *
  17     *
  18     *********************************************************************
  19     *
  20     *  Copyright 2000,2001
  21     *  Broadcom Corporation. All rights reserved.
  22     *
  23     *  This software is furnished under license and may be used and
  24     *  copied only in accordance with the following terms and
  25     *  conditions.  Subject to these conditions, you may download,
  26     *  copy, install, use, modify and distribute modified or unmodified
  27     *  copies of this software in source and/or binary form.  No title
  28     *  or ownership is transferred hereby.
  29     *
  30     *  1) Any source code used, modified or distributed must reproduce
  31     *     and retain this copyright notice and list of conditions as
  32     *     they appear in the source file.
  33     *
  34     *  2) No right is granted to use any trade name, trademark, or
  35     *     logo of Broadcom Corporation. Neither the "Broadcom
  36     *     Corporation" name nor any trademark or logo of Broadcom
  37     *     Corporation may be used to endorse or promote products
  38     *     derived from this software without the prior written
  39     *     permission of Broadcom Corporation.
  40     *
  41     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  42     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  43     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  44     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  45     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  46     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  47     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  48     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  49     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  50     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  51     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  52     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  53     *     THE POSSIBILITY OF SUCH DAMAGE.
  54     ********************************************************************* */
  55
  56
  57
  58 #include "sbmips.h"
  59 #include "lib_types.h"
  60 #include "lib_queue.h"
  61 #include "lib_printf.h"
  62 #include "lib_string.h"
  63 #include "cfe_iocb.h"
  64 #include "cfe_device.h"
  65 #include "cfe_timer.h"
  66 #include "dev_ptflash.h"
  67 #include "env_subr.h"
  68 #include "cfe.h"
  69
  70 #include "sb1250_defs.h"
  71 #include "sb1250_regs.h"
  72 #include "sb1250_pci.h"
  73 #include "sb1250_ldt.h"
  74 #include "sb1250_scd.h"
  75 #include "sb1250_wid.h"
  76 #include "sb1250_smbus.h"
  77
  78 #include "bsp_config.h"
  79
  80 #include "pt1125.h"
  81 #include "dev_ide.h"
  82
  83 /*  *********************************************************************
  84     *  Devices we're importing
  85     ********************************************************************* */
  86 extern cfe_driver_t ns16550_uart;               /* external UART on the I/O bus */
  87 extern cfe_driver_t promice_uart;               /* promice serial port */
  88 extern cfe_driver_t sb1250_uart;                /* SB1250 serial ports */
  89 extern cfe_driver_t sb1250_ether;               /* SB1250 MACs */
  90 extern cfe_driver_t sb1250_x1240eeprom;         /* Xicor SMBus NVRAM */
  91 extern cfe_driver_t sb1250_24lc128eeprom;       /* Microchip EEPROM */
  92 extern cfe_driver_t ptflashdrv;                 /* AMD-style flash */
  93 extern cfe_driver_t ptflashdrv_ro;              /* AMD-style flash */
  94
  95 extern cfe_driver_t m41t81_clock;               /* M41T81 SMBus RTC */
  96
  97
  98 extern void ui_init_cpu1cmds(void);
  99 extern void ui_init_swarmcmds(void);
 100 extern int ui_init_corecmds(void);
 101 extern int ui_init_soccmds(void);
 102 extern int ui_init_testcmds(void);
 103 extern int ui_init_resetcmds(void);
 104 extern int ui_init_tempsensorcmds(void);
 105 extern int ui_init_toyclockcmds(void);
 106 extern void cs0_remap(void);
 107 extern void cs1_remap(void);
 108
 109 extern void sb1250_show_cpu_type(void);
 110
 111 /*  *********************************************************************
 112     *  Forward declarations
 113     ********************************************************************* */
 114 static void bootrom_add(unsigned int addr);
 115 static void alt_bootrom_add(unsigned int addr);
 116
 117 /*  *********************************************************************
 118     *  Some board-specific parameters
 119     ********************************************************************* */
 120
 121 /*
 122  * Note!  Configure the PROMICE for burst mode zero (one byte per
 123  * access).
 124  */
 125
 126 #define PROMICE_BASE    (0x1FDFFC00)
 127 #define PROMICE_WORDSIZE 1
 128
 129 /*  *********************************************************************
 130     *  SysConfig switch settings
 131     ********************************************************************* */
 132
 133 #define PT1125_PROMICE_CONSOLE          0x00000001
 134 #define PT1125_EXTERNAL_UART_CONSOLE    0x00000002
 135 #define PT1125_INTERNAL_UART_CONSOLE    0x00000004
 136 #define PT1125_PROMICE_BOOT             0x00000008
 137
 138 /*
 139 * There are 8 possible configurations of CFE.  They are redundant -- so
 140 * customize as you like.  The default configuration of '7' is set by the
 141 * FPGA as of when the file was created.  The FPGA sets the six-bit config
 142 * field of the * system config register 0x39.  CFE uses the upper 3 bits,
 143 * which are all set, giving array index 7.
 144 */
 145 const unsigned int pt1125_startflags[8] = {
 146     PT1125_EXTERNAL_UART_CONSOLE,       /* 0 : External UART console */
 147     PT1125_PROMICE_CONSOLE,             /* 1 : PromICE console */
 148     PT1125_INTERNAL_UART_CONSOLE,       /* 2 : Internal UART console */
 149     PT1125_EXTERNAL_UART_CONSOLE,       /* 3 : External UART console */
 150     CFE_INIT_PCI  | CFE_LDT_SLAVE | PT1125_EXTERNAL_UART_CONSOLE, /* 4:ext UART,PCI.LDT slave*/
 151     CFE_INIT_PCI  | PT1125_EXTERNAL_UART_CONSOLE, /* 5:ext UART,PCI*/
 152     CFE_INIT_PCI  | PT1125_EXTERNAL_UART_CONSOLE | PT1125_PROMICE_BOOT, /* 6 */
 153     CFE_INIT_SAFE |  PT1125_EXTERNAL_UART_CONSOLE /* 7 : External UART console, safe mode */
 154 };
 155
 156
 157
 158 /*  *********************************************************************
 159     *  board_console_init()
 160     *
 161     *  Add the console device and set it to be the primary
 162     *  console.
 163     *
 164     *  Input parameters:
 165     *      nothing
 166     *
 167     *  Return value:
 168     *      nothing
 169     ********************************************************************* */
 170
 171 void board_console_init(void)
 172 {
 173     uint64_t syscfg;
 174     unsigned temp;
 175     int plldiv;
 176
 177     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 178
 179     /*
 180     * External UART is device "uart0". On the PT1125 it's the connector
 181     * nearest the motherboard.
 182     */
 183
 184     cfe_add_device(&ns16550_uart,UART_PHYS,0,0);
 185
 186     /* Internal UART0 is device "uart1"  */
 187
 188     cfe_add_device(&sb1250_uart,A_DUART,0,0);
 189
 190     /* Add the PromICE UART, device "promice0", for good measure */
 191
 192     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 193
 194     /*
 195      * Get the CFE startflags from the upper 3 bits of the "config" field
 196      * in the sysconfig register.  Only 3 bits are used, because that's
 197      * what the CSWARM does.
 198      */
 199
 200     cfe_startflags = pt1125_startflags[(G_SYS_CONFIG(syscfg)/8) & 0x07];
 201
 202     if (cfe_startflags & PT1125_PROMICE_CONSOLE) {
 203         cfe_set_console("promice0");
 204         }
 205     else if (cfe_startflags & PT1125_INTERNAL_UART_CONSOLE) {
 206         cfe_set_console("uart1");
 207         }
 208     else {
 209         cfe_set_console("uart0");
 210         }
 211
 212     /*
 213      * Set variable that contains CPU speed, spit out config register
 214      */
 215
 216     plldiv = G_SYS_PLL_DIV(syscfg);
 217
 218     cfe_cpu_speed = 50000000 * plldiv;
 219
 220     /*
 221      * NVRAM (environment variables
 222      */
 223
 224     cfe_add_device(&sb1250_24lc128eeprom,BIGEEPROM_SMBUS_CHAN,BIGEEPROM_SMBUS_DEV,0);
 225
 226
 227     /*
 228      * Turn off the safe flag so the ethernet MAC addresses will get read
 229      * from NVRAM
 230      */
 231     temp = cfe_startflags;
 232     cfe_startflags &= ~CFE_INIT_SAFE;
 233
 234     cfe_set_envdevice("eeprom0");       /* Connect NVRAM subsystem to EEPROM */
 235
 236     /* restore SAFE flag if it was set */
 237     cfe_startflags = temp;
 238 }
 239
 240
 241
 242 /*  *********************************************************************
 243     *  bootrom_add()
 244     *
 245     *  Add the physical flash device to the system
 246     *
 247     *  Input parameters:
 248     *      nothing
 249     *
 250     *  Return value:
 251     *      nothing
 252     ********************************************************************* */
 253
 254 void bootrom_add(unsigned int addr)
 255 {
 256 #ifndef OLD_FLASHDRV
 257     flash_probe_t flashdesc;
 258     memset(&flashdesc,0,sizeof(flash_probe_t));
 259     flashdesc.flash_phys = addr;
 260     flashdesc.flash_size = BOOTROM_SIZE*K64;
 261     flashdesc.flash_flags = FLASH_FLG_WIDE;
 262     flashdesc.nchips = BOOTROM_NCHIPS;
 263     flashdesc.chipsize = BOOTROM_CHIPSIZE;
 264     cfe_add_device(&ptflashdrv,NULL,NULL,&flashdesc);
 265     memset(&flashdesc,0,sizeof(flash_probe_t));
 266     flashdesc.flash_phys = addr;
 267     flashdesc.flash_size = BOOTROM_SIZE*K64;
 268     flashdesc.flash_flags = FLASH_FLG_WIDE | FLASH_FLG_MANUAL;
 269     flashdesc.flash_cmdset = 0x12345678;
 270     cfe_add_device(&ptflashdrv_ro,NULL,NULL,&flashdesc);
 271 #else
 272     cfe_add_device(&ptflashdrv,BOOTROM_PHYS,BOOTROM_SIZE*K64,NULL);
 273 #endif
 274 }
 275 /*  *********************************************************************
 276     *  alt_bootrom_add()
 277     *
 278     *  Add the promice device to the system as flash
 279     *
 280     *  Input parameters:
 281     *      nothing
 282     *
 283     *  Return value:
 284     *      nothing
 285     ********************************************************************* */
 286
 287 void alt_bootrom_add(unsigned int addr)
 288 {
 289 #ifndef OLD_FLASHDRV
 290     flash_probe_t flashdesc;
 291     /* When CS0 is jumped to PromICE, this will be flash */
 292     memset(&flashdesc,0,sizeof(flash_probe_t));
 293     flashdesc.flash_phys = addr;
 294     flashdesc.flash_size = ALT_BOOTROM_SIZE*K64;
 295     flashdesc.flash_flags = FLASH_FLG_WIDE;
 296     flashdesc.nchips = ALT_BOOTROM_NCHIPS;
 297     flashdesc.chipsize = ALT_BOOTROM_CHIPSIZE;
 298     cfe_add_device(&ptflashdrv,NULL,NULL,&flashdesc);
 299 #else
 300     cfe_add_device(&ptflashdrv,ALT_BOOTROM_PHYS,ALT_BOOTROM_SIZE*K64,NULL);
 301 #endif
 302 }
 303
 304
 305 /*  *********************************************************************
 306     *  board_device_init()
 307     *
 308     *  Initialize and add other devices.  Add everything you need
 309     *  for bootstrap here, like disk drives, flash memory, UARTs,
 310     *  network controllers, etc.
 311     *
 312     *  Input parameters:
 313     *      nothing
 314     *
 315     *  Return value:
 316     *      nothing
 317     ********************************************************************* */
 318
 319 void board_device_init(void)
 320 {
 321     uint64_t syscfg;
 322     int promice_boot;
 323
 324     /*
 325      * Boot ROM
 326      */
 327
 328     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 329     promice_boot = pt1125_startflags[(G_SYS_CONFIG(syscfg)/8) & 0x07] & \
 330         PT1125_PROMICE_BOOT;
 331
 332     /*
 333     *  Don't remap chip select 0 when using PromICE, since
 334     *  PromICE only emulates 2 Meg and we set ALT_BOOTROM
 335     *  to 2 Meg
 336     */
 337     if (!promice_boot)
 338         {
 339         cs0_remap();   /* Expand CS0 -- this is bootrom and flash */
 340         bootrom_add(BOOTROM_PHYS);
 341         alt_bootrom_add(ALT_BOOTROM_PHYS);
 342         }
 343     else
 344         {
 345         cs1_remap();   /* Expand CS1 -- it's all flash */
 346         alt_bootrom_add(BOOTROM_PHYS);
 347         bootrom_add(ALT_BOOTROM_PHYS);
 348         }
 349
 350     cfe_add_device(&m41t81_clock,M41T81_SMBUS_CHAN,M41T81_SMBUS_DEV,0);
 351
 352     /*
 353      * MACs - must init after environment, since the hw address is stored there
 354      */
 355     cfe_add_device(&sb1250_ether,A_MAC_BASE_0,0,env_getenv("ETH0_HWADDR"));
 356 #ifndef _PT1125_DIAG_CFG_
 357     cfe_add_device(&sb1250_ether,A_MAC_BASE_1,1,env_getenv("ETH1_HWADDR"));
 358 #endif
 359
 360
 361
 362     /*
 363      * Set variable that contains CPU speed, spit out config register
 364      */
 365
 366     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 367     printf("Config switch: %d\n",G_SYS_CONFIG(syscfg));
 368
 369     /*
 370      * Display CPU status
 371      */
 372
 373     sb1250_show_cpu_type();
 374
 375 }
 376
 377
 378
 379 /*  *********************************************************************
 380     *  board_device_reset()
 381     *
 382     *  Reset devices.  This call is done when the firmware is restarted,
 383     *  as might happen when an operating system exits, just before the
 384     *  "reset" command is applied to the installed devices.   You can
 385     *  do whatever board-specific things are here to keep the system
 386     *  stable, like stopping DMA sources, interrupts, etc.
 387     *
 388     *  Input parameters:
 389     *      nothing
 390     *
 391     *  Return value:
 392     *      nothing
 393     ********************************************************************* */
 394
 395 void board_device_reset(void)
 396 {
 397
 398 }
 399
 400
 401 /*  *********************************************************************
 402     *  board_final_init()
 403     *
 404     *  Do any final initialization, such as adding commands to the
 405     *  user interface.
 406     *
 407     *  If you don't want a user interface, put the startup code here.
 408     *  This routine is called just before CFE starts its user interface.
 409     *
 410     *  Input parameters:
 411     *      nothing
 412     *
 413     *  Return value:
 414     *      nothing
 415     ********************************************************************* */
 416
 417 void board_final_init(void)
 418 {
 419     ui_init_cpu1cmds();
 420     ui_init_swarmcmds();
 421     ui_init_corecmds();
 422     ui_init_soccmds();
 423     ui_init_testcmds();
 424     ui_init_resetcmds();
 425     ui_init_tempsensorcmds();
 426     ui_init_toyclockcmds();
 427 }