release/src-rt-6.x/cfe/cfe/arch/mips/board/littlesur/src/littlesur_devs.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Board device initialization              File: littlesur_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 "lib_string.h"
  56 #include "cfe_iocb.h"
  57 #include "cfe_device.h"
  58 #include "cfe_timer.h"
  59 #include "env_subr.h"
  60 #include "cfe.h"
  61
  62 #include "sb1250_defs.h"
  63 #include "sb1250_regs.h"
  64 #include "sb1250_scd.h"
  65 #include "sb1250_smbus.h"
  66 #include "sb1250_wid.h"
  67
  68 #include "bsp_config.h"
  69
  70 #include "littlesur.h"
  71 #include "dev_ide.h"
  72
  73
  74 /*  *********************************************************************
  75     *  Devices we're importing
  76     ********************************************************************* */
  77
  78 extern cfe_driver_t promice_uart;               /* promice serial port */
  79 extern cfe_driver_t ds17887_clock;              /* DS17887 RTC */
  80 extern cfe_driver_t sb1250_uart;                /* SB1250 serial ports */
  81 extern cfe_driver_t sb1250_ether;               /* SB1250 MACs */
  82 extern cfe_driver_t sb1250_24lc128eeprom;       /* Microchip EEPROM */
  83 extern cfe_driver_t idedrv;                     /* IDE disk */
  84 extern cfe_driver_t pcmciadrv;                  /* PCMCIA card */
  85 #if CFG_PCI
  86 extern void pci_add_devices(int init);          /* driver collection du jour */
  87 #endif
  88
  89 /*  *********************************************************************
  90     *  UI command initialization
  91     ********************************************************************* */
  92
  93 extern void ui_init_cpu1cmds(void);
  94 extern void ui_init_littlesurcmds(void);
  95 extern int ui_init_corecmds(void);
  96 extern int ui_init_soccmds(void);
  97 extern int ui_init_testcmds(void);
  98 extern int ui_init_tempsensorcmds(void);
  99 extern int ui_init_toyclockcmds(void);
 100 extern int ui_init_memtestcmds(void);
 101 extern int ui_init_resetcmds(void);
 102 extern int ui_init_phycmds(void);
 103 extern int ui_init_spdcmds(void);
 104 extern int ui_init_disktestcmds(void);
 105 extern int ui_init_ethertestcmds(void);
 106
 107 /*  *********************************************************************
 108     *  Other externs
 109     ********************************************************************* */
 110
 111 extern void sb1250_show_cpu_type(void);
 112
 113 /*  *********************************************************************
 114     *  Some board-specific parameters
 115     ********************************************************************* */
 116
 117 /*
 118  * Note!  Configure the PROMICE for burst mode zero (one byte per
 119  * access).
 120  */
 121
 122 #define PROMICE_BASE    (0x1FDFFC00)
 123 #define PROMICE_WORDSIZE 1
 124
 125 /*  *********************************************************************
 126     *  SysConfig switch settings and related parameters
 127     ********************************************************************* */
 128
 129 #define CSWARM_PROMICE_CONSOLE  0x00000001
 130
 131 int littlesur_board_rev;
 132 int littlesur_config_switch;
 133
 134 const unsigned int littlesur_startflags[16] = {
 135     0,                                          /* 0 : UART console, no PCI */
 136     CSWARM_PROMICE_CONSOLE,                     /* 1 : PromICE console, no PCI */
 137     CFE_INIT_PCI,                               /* 2 : UART console, PCI */
 138     CSWARM_PROMICE_CONSOLE | CFE_INIT_PCI,      /* 3 : PromICE, PCI */
 139     0,                                          /* 4 : unused  */
 140     0,                                          /* 5 : unused */
 141     CFE_INIT_PCI | CFE_LDT_SLAVE,               /* 6 : 2, plus LDT slave mode */
 142     CFE_INIT_SAFE,                              /* 7 : UART console, no pci, safe mode */
 143     0,                                          /* 8 : unused */
 144     0,                                          /* 9 : unused */
 145     0,                                          /* 10 : unused */
 146     0,                                          /* 11 : unused */
 147     0,                                          /* 12 : unused */
 148     0,                                          /* 13 : unused */
 149     0,                                          /* 14 : unused */
 150     0                                           /* 15 : unused */
 151 };
 152
 153
 154 unsigned int cpu_revision;
 155
 156
 157 /*  *********************************************************************
 158     *  board_console_init()
 159     *
 160     *  Add the console device and set it to be the primary
 161     *  console.
 162     *
 163     *  Input parameters:
 164     *      nothing
 165     *
 166     *  Return value:
 167     *      nothing
 168     ********************************************************************* */
 169
 170 void board_console_init(void)
 171 {
 172     uint64_t syscfg;
 173     int plldiv;
 174
 175     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 176
 177     cpu_revision = (unsigned int) (SBREADCSR(A_SCD_SYSTEM_REVISION) &
 178                                    (M_SYS_PART | M_SYS_REVISION));
 179
 180     /*
 181      * Read the config switch and decide how we are going to set up
 182      * the console.  This is actually board revision dependent.
 183      *
 184      * Note that the human-readable board revision is (littlesur_board_rev+1).
 185      */
 186     littlesur_board_rev = G_SYS_CONFIG(syscfg) & 0x3;
 187     littlesur_config_switch = (G_SYS_CONFIG(syscfg) >> 2) & 0x0F;
 188
 189     cfe_startflags = littlesur_startflags[littlesur_config_switch];
 190
 191     /* Console */
 192 #if defined(_CSWARM_DIAG_CFG_) || defined(_CSWARM_DIAG3E_CFG_)
 193     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 194     cfe_set_console("promice0");
 195 #else
 196     cfe_add_device(&sb1250_uart,A_DUART,0,0);
 197     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 198
 199     /*
 200      * Read the config switch and decide how we are going to
 201      * set up the console.  The config switch sets
 202      * bits 3..5 of the SYS_CONFIG field of the syscfg register.
 203      */
 204
 205     if (cfe_startflags & CSWARM_PROMICE_CONSOLE) {
 206         cfe_set_console("promice0");
 207         }
 208     else {
 209         cfe_set_console("uart0");
 210         }
 211 #endif
 212
 213     /*
 214      * Set variable that contains CPU speed, spit out config register
 215      */
 216
 217     plldiv = G_SYS_PLL_DIV(syscfg);
 218     if (plldiv == 0) {
 219         plldiv = 6;
 220         }
 221
 222 #ifdef _FUNCSIM_
 223     cfe_cpu_speed = 500000;                     /* wire func sim at 500KHz */
 224 #else
 225     cfe_cpu_speed = 50000000 * plldiv;          /* use PLL divisor */
 226 #endif
 227
 228     /*
 229      * NVRAM
 230      */
 231     cfe_add_device(&sb1250_24lc128eeprom,BIGEEPROM_SMBUS_CHAN_1,BIGEEPROM_SMBUS_DEV_1,0);
 232
 233     cfe_set_envdevice("eeprom0");       /* Connect NVRAM subsystem to EEPROM */
 234 }
 235
 236 /*  *********************************************************************
 237     *  board_device_init()
 238     *
 239     *  Initialize and add other devices.  Add everything you need
 240     *  for bootstrap here, like disk drives, flash memory, UARTs,
 241     *  network controllers, etc.
 242     *
 243     *  Input parameters:
 244     *      nothing
 245     *
 246     *  Return value:
 247     *      nothing
 248     ********************************************************************* */
 249
 250 void board_device_init(void)
 251 {
 252     /*
 253      * Print out the board version number.
 254      */
 255     printf("%s board revision %d\n", CFG_BOARDNAME, littlesur_board_rev + 1);
 256
 257     /*
 258      * UART channel B
 259      */
 260
 261     cfe_add_device(&sb1250_uart,A_DUART,1,0);
 262
 263 #ifdef _FUNCSIM_
 264     /*
 265      * As a hack, we instantiate another flash at 0x1100_0000 (the PCMCIA area)
 266      * when running in the functional simulator.  We can preload an image into
 267      * that region for faster booting.  (see build/broadcom/sim/runcfe)
 268      */
 269     cfe_add_device(&newflashdrv,0x11000000,64*1024*1024,NULL);
 270 #endif
 271
 272     /*
 273      * This is the 24LC128 on SMBus0.  CFE doesn't use it for anything,
 274      * but you can load data into it and then boot from it by changing a jumper.
 275      */
 276
 277     cfe_add_device(&sb1250_24lc128eeprom,BIGEEPROM_SMBUS_CHAN_0,BIGEEPROM_SMBUS_DEV_0,0);
 278
 279     /*
 280      * MACs - must init after environment, since the hw address is stored there
 281      */
 282
 283     cfe_add_device(&sb1250_ether,A_MAC_BASE_0,0,env_getenv("ETH0_HWADDR"));
 284 #ifndef _CSWARM_DIAG_CFG_
 285     cfe_add_device(&sb1250_ether,A_MAC_BASE_1,1,env_getenv("ETH1_HWADDR"));
 286     cfe_add_device(&sb1250_ether,A_MAC_BASE_2,2,env_getenv("ETH2_HWADDR"));
 287 #endif
 288
 289     /*
 290      * IDE disks
 291      */
 292
 293 #if !defined(_CSWARM_DIAG_CFG_) && !defined(_CSWARM_DIAG3E_CFG_)
 294     cfe_add_device(&idedrv,IDE_PHYS+(0x1F0<<5),
 295                    IDE_PROBE_MASTER_TYPE(IDE_DEVTYPE_DISK) |
 296                    IDE_PROBE_SLAVE_TYPE(IDE_DEVTYPE_NOPROBE),
 297                    NULL);
 298 #endif
 299
 300
 301 #if CFG_PCI
 302     pci_add_devices(cfe_startflags & CFE_INIT_PCI);
 303 #endif
 304
 305     /*
 306      * Real-time clock
 307      */
 308     cfe_add_device(&ds17887_clock,RTC_PHYS,0,NULL);
 309
 310     /*
 311      * Set variable that contains CPU speed, spit out config register
 312      */
 313
 314     printf("Config switch: %d\n", littlesur_config_switch);
 315
 316     sb1250_show_cpu_type();
 317
 318 }
 319
 320
 321
 322 /*  *********************************************************************
 323     *  board_device_reset()
 324     *
 325     *  Reset devices.  This call is done when the firmware is restarted,
 326     *  as might happen when an operating system exits, just before the
 327     *  "reset" command is applied to the installed devices.   You can
 328     *  do whatever board-specific things are here to keep the system
 329     *  stable, like stopping DMA sources, interrupts, etc.
 330     *
 331     *  Input parameters:
 332     *      nothing
 333     *
 334     *  Return value:
 335     *      nothing
 336     ********************************************************************* */
 337
 338 void board_device_reset(void)
 339 {
 340 }
 341
 342 /*  *********************************************************************
 343     *  board_final_init()
 344     *
 345     *  Do any final initialization, such as adding commands to the
 346     *  user interface.
 347     *
 348     *  If you don't want a user interface, put the startup code here.
 349     *  This routine is called just before CFE starts its user interface.
 350     *
 351     *  Input parameters:
 352     *      nothing
 353     *
 354     *  Return value:
 355     *      nothing
 356     ********************************************************************* */
 357
 358 void board_final_init(void)
 359 {
 360     ui_init_cpu1cmds();
 361     ui_init_littlesurcmds();
 362     ui_init_corecmds();
 363     ui_init_soccmds();
 364     ui_init_testcmds();
 365     ui_init_toyclockcmds();
 366     ui_init_tempsensorcmds();
 367     ui_init_memtestcmds();
 368     ui_init_resetcmds();
 369     ui_init_phycmds();
 370     ui_init_spdcmds();
 371     ui_init_disktestcmds();
 372     ui_init_ethertestcmds();
 373 }