release/src-rt-6.x.4708/cfe/cfe/arch/mips/board/bigsur/src/bigsur_devs.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Board device initialization              File: bigsur_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     *********************************************************************
  13     *
  14     *  Copyright 2000,2001,2002,2003
  15     *  Broadcom Corporation. All rights reserved.
  16     *
  17     *  This software is furnished under license and may be used and
  18     *  copied only in accordance with the following terms and
  19     *  conditions.  Subject to these conditions, you may download,
  20     *  copy, install, use, modify and distribute modified or unmodified
  21     *  copies of this software in source and/or binary form.  No title
  22     *  or ownership is transferred hereby.
  23     *
  24     *  1) Any source code used, modified or distributed must reproduce
  25     *     and retain this copyright notice and list of conditions
  26     *     as they appear in the source file.
  27     *
  28     *  2) No right is granted to use any trade name, trademark, or
  29     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  30     *     name may not be used to endorse or promote products derived
  31     *     from this software without the prior written permission of
  32     *     Broadcom Corporation.
  33     *
  34     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  35     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  36     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  37     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  38     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  39     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  40     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  41     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  42     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  43     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  44     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  45     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  46     *     THE POSSIBILITY OF SUCH DAMAGE.
  47     ********************************************************************* */
  48
  49
  50
  51 #include "sbmips.h"
  52 #include "lib_types.h"
  53 #include "lib_queue.h"
  54 #include "lib_printf.h"
  55 #include "cfe_iocb.h"
  56 #include "cfe_device.h"
  57 #include "cfe_timer.h"
  58 #include "env_subr.h"
  59 #include "cfe.h"
  60
  61 #include "bcm1400_defs.h"
  62 #include "bcm1400_regs.h"
  63 #include "bcm1400_scd.h"
  64 #ifdef NYI
  65 #include "sb1250_smbus.h"
  66 #endif
  67
  68 #include "bsp_config.h"
  69
  70 #include "bigsur.h"
  71
  72 #include "dev_newflash.h"
  73
  74 /*  *********************************************************************
  75     *  Devices we're importing
  76     ********************************************************************* */
  77
  78 extern cfe_driver_t promice_uart;               /* promice serial port */
  79 extern cfe_driver_t bcm1400_uart;               /* BCM1400 serial ports */
  80 extern cfe_driver_t sb1250_ether;               /* SB1250 MAC */
  81 extern cfe_driver_t newflashdrv;                /* AMD-style flash */
  82 #ifdef NYI
  83 extern cfe_driver_t sb1250_24lc128eeprom;       /* Microchip EEPROM */
  84 extern cfe_driver_t m41t81_clock;               /* M41T81 SMBus RTC */
  85 #endif
  86
  87 #if CFG_PCI
  88 extern void pci_add_devices(int init);
  89 #endif
  90
  91 /*  *********************************************************************
  92     *  Commands we're importing
  93     ********************************************************************* */
  94
  95 extern void ui_init_cpu1cmds(void);
  96 extern void ui_init_swarmcmds(void);
  97 extern int ui_init_corecmds(void);
  98 extern int ui_init_soccmds(void);
  99 extern int ui_init_testcmds(void);
 100 extern int ui_init_resetcmds(void);
 101 extern int ui_init_phycmds(void);
 102 extern int ui_init_tempsensorcmds(void);
 103 extern int ui_init_toyclockcmds(void);
 104 extern int ui_init_memtestcmds(void);
 105 extern int ui_init_ethertestcmds(void);
 106 extern int ui_init_flashtestcmds(void);
 107 extern int ui_init_testcmds2(void);
 108 extern int ui_init_tracecmds(void);
 109
 110 /*  *********************************************************************
 111     *  Some other stuff we use
 112     ********************************************************************* */
 113
 114 extern void sb1250_show_cpu_type(void);
 115 extern int cfe_device_download(int boot, char *options);
 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 #define REAL_BOOTROM_SIZE       (2*1024*1024)   /* region is 4MB, but rom is 2MB */
 130
 131 /*  *********************************************************************
 132     *  SysConfig switch settings and related parameters
 133     ********************************************************************* */
 134
 135 int bigsur_board_rev;
 136 int bigsur_config_switch;
 137
 138 #define SWARM_PROMICE_CONSOLE   0x00000001
 139 #define DEVICE_DOWNLOAD         0x00000002
 140 #define DEVICE_EXECUTE          0x00000004
 141 #define DEVICE_REBOOT           (DEVICE_DOWNLOAD|DEVICE_EXECUTE)
 142
 143 const unsigned int bigsur_startflags[16] = {
 144     0,                                          /* 0 : UART console, no PCI */
 145     SWARM_PROMICE_CONSOLE,                      /* 1 : PromICE console, no PCI */
 146     CFE_INIT_PCI,                               /* 2 : UART console, PCI */
 147     CFE_INIT_PCI | SWARM_PROMICE_CONSOLE,       /* 3 : PromICE console, PCI */
 148     0,                                          /* 4 : unused  */
 149     0,                                          /* 5 : unused */
 150     CFE_INIT_PCI | CFE_LDT_SLAVE,               /* 6 : 2, plus LDT slave mode */
 151     CFE_INIT_SAFE,                              /* 7 : UART console, no pci, safe mode */
 152     CFE_INIT_PCI | DEVICE_DOWNLOAD,             /* 8 : UART console, PCI, download */
 153     CFE_INIT_PCI | DEVICE_REBOOT,               /* 9 : UART console, PCI, reboot */
 154     0,                                          /* 10 : unused */
 155     0,                                          /* 11 : unused */
 156     0,                                          /* 12 : unused */
 157     0,                                          /* 13 : unused */
 158     0,                                          /* 14 : unused */
 159     0,                                          /* 15 : unused */
 160 };
 161
 162
 163 /*  *********************************************************************
 164     *  board_console_init()
 165     *
 166     *  Add the console device and set it to be the primary
 167     *  console.
 168     *
 169     *  Input parameters:
 170     *      nothing
 171     *
 172     *  Return value:
 173     *      nothing
 174     ********************************************************************* */
 175
 176 void board_console_init(void)
 177 {
 178     uint64_t syscfg;
 179     int plldiv;
 180
 181     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 182
 183     /* Console */
 184     cfe_add_device(&bcm1400_uart,A_DUART(0),0,0);
 185     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 186
 187     /*
 188      * Read the config switch and decide how we are going to set up
 189      * the console.  This is actually board revision dependent.
 190      *
 191      * Note that the human-readable board revision is (bigsur_board_rev+1).
 192      */
 193     bigsur_board_rev = G_SYS_CONFIG(syscfg) & 0x3;
 194     bigsur_config_switch = (G_SYS_CONFIG(syscfg) >> 2) & 0x0F;
 195
 196     cfe_startflags = bigsur_startflags[bigsur_config_switch];
 197
 198     if (cfe_startflags & SWARM_PROMICE_CONSOLE) {
 199         cfe_set_console("promice0");
 200         }
 201     else {
 202         cfe_set_console("uart0");
 203         }
 204
 205     /*
 206      * Set variable that contains CPU speed, spit out config register
 207      */
 208
 209     plldiv = G_SYS_PLL_DIV(syscfg);
 210     if (plldiv == 0) {
 211         plldiv = 6;
 212         }
 213
 214 #ifdef _FUNCSIM_
 215     cfe_cpu_speed = 500000;                     /* wire func sim at 500KHz */
 216 #else
 217     cfe_cpu_speed = 50000000 * plldiv;          /* use PLL divisor */
 218 #endif
 219
 220 #if !CFG_MINIMAL_SIZE
 221 #ifdef NYI
 222     /*
 223      * NVRAM (environment variables)
 224      */
 225
 226     switch (bigsur_board_rev) {
 227         case BIGSUR_REV_1:
 228         default:
 229             /*
 230              * Add the NVRAM device on SMBus 1 first.  This will be our environment
 231              */
 232
 233             cfe_add_device(&sb1250_24lc128eeprom,BIGEEPROM1_SMBUS_CHAN,BIGEEPROM1_SMBUS_DEV,0);
 234
 235         }
 236
 237     cfe_set_envdevice("eeprom0");       /* Connect NVRAM subsystem to EEPROM */
 238 #endif
 239 #endif /* CFG_MINIMAL_SIZE */
 240 }
 241
 242
 243 /*  *********************************************************************
 244     *  board_device_init()
 245     *
 246     *  Initialize and add other devices.  Add everything you need
 247     *  for bootstrap here, like disk drives, flash memory, UARTs,
 248     *  network controllers, etc.
 249     *
 250     *  Input parameters:
 251     *      nothing
 252     *
 253     *  Return value:
 254     *      nothing
 255     ********************************************************************* */
 256
 257 void board_device_init(void)
 258 {
 259     /*
 260      * Print out the board version number.
 261      */
 262     printf("%s board revision %d\n", CFG_BOARDNAME, bigsur_board_rev + 1);
 263
 264 #ifndef _FUNCSIM_
 265     /*
 266      * Boot ROM, using "new" flash driver
 267      */
 268
 269     cfe_add_device(&newflashdrv,
 270                    BOOTROM_PHYS,
 271                    REAL_BOOTROM_SIZE | FLASH_FLG_BUS8 | FLASH_FLG_DEV16,
 272                    NULL);
 273     cfe_add_device(&newflashdrv,
 274                    ALT_BOOTROM_PHYS,
 275                    REAL_BOOTROM_SIZE | FLASH_FLG_BUS8 | FLASH_FLG_DEV16,
 276                    NULL);
 277 #endif /*_FUNCSIM_*/
 278
 279 #if !CFG_MINIMAL_SIZE
 280     /*
 281      * MAC - must init after environment, since the hw address is stored there
 282      */
 283     cfe_add_device(&sb1250_ether,A_MAC_BASE_0,0,env_getenv("ETH0_HWADDR"));
 284
 285 #if CFG_PCI
 286     pci_add_devices(cfe_startflags & CFE_INIT_PCI);
 287 #endif
 288
 289 #ifdef NYI
 290     /*
 291      * Real-time clock
 292      */
 293
 294     switch (bigsur_board_rev) {
 295         case BIGSUR_REV_1:
 296         default:
 297           /* Add ST Micro clock driver here */
 298           cfe_add_device(&m41t81_clock,M41T81_SMBUS_CHAN,M41T81_SMBUS_DEV,0);
 299         }
 300 #endif
 301 #endif
 302
 303     /*
 304      * Set variable that contains CPU speed, spit out config register
 305      */
 306
 307     printf("Config switch: %d\n", bigsur_config_switch);
 308
 309 #ifdef NYI
 310     sb1250_show_cpu_type();
 311 #endif
 312 }
 313
 314
 315
 316 /*  *********************************************************************
 317     *  board_device_reset()
 318     *
 319     *  Reset devices.  This call is done when the firmware is restarted,
 320     *  as might happen when an operating system exits, just before the
 321     *  "reset" command is applied to the installed devices.   You can
 322     *  do whatever board-specific things are here to keep the system
 323     *  stable, like stopping DMA sources, interrupts, etc.
 324     *
 325     *  Input parameters:
 326     *      nothing
 327     *
 328     *  Return value:
 329     *      nothing
 330     ********************************************************************* */
 331
 332 void board_device_reset(void)
 333 {
 334 }
 335
 336
 337 /*  *********************************************************************
 338     *  board_final_init()
 339     *
 340     *  Do any final initialization, such as adding commands to the
 341     *  user interface.
 342     *
 343     *  If you don't want a user interface, put the startup code here.
 344     *  This routine is called just before CFE starts its user interface.
 345     *
 346     *  Input parameters:
 347     *      nothing
 348     *
 349     *  Return value:
 350     *      nothing
 351     ********************************************************************* */
 352
 353 void board_final_init(void)
 354 {
 355 #if !CFG_MINIMAL_SIZE
 356     ui_init_cpu1cmds();
 357     ui_init_swarmcmds();
 358 #ifdef NYI
 359     ui_init_corecmds();
 360 #endif
 361     ui_init_soccmds();
 362 #ifdef NYI
 363     ui_init_testcmds();
 364     ui_init_testcmds2();
 365 #endif
 366     ui_init_resetcmds();
 367 #ifdef NYI
 368     ui_init_tempsensorcmds();
 369     ui_init_toyclockcmds();
 370     ui_init_memtestcmds();
 371     ui_init_tracecmds();
 372 #endif
 373     ui_init_phycmds();
 374     ui_init_ethertestcmds();
 375     ui_init_flashtestcmds();
 376
 377 #endif
 378 }