release/src-rt-6.x.4708/cfe/cfe/arch/mips/board/cswarm/src/cswarm_devs.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Board device initialization              File: cswarm_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 "sb1250_defs.h"
  62 #include "sb1250_regs.h"
  63 #include "sb1250_pci.h"
  64 #include "sb1250_ldt.h"
  65 #include "sb1250_scd.h"
  66 #include "sb1250_wid.h"
  67
  68 #include "bsp_config.h"
  69
  70 #include "cswarm.h"
  71 #include "dev_ide.h"
  72 #include "dev_newflash.h"
  73
  74 /*
  75  * This lets us override the WID by poking values into our PromICE
  76  */
  77 #ifdef _MAGICWID_
  78 #undef A_SCD_SYSTEM_REVISION
  79 #define A_SCD_SYSTEM_REVISION 0x1FC00010
  80 #define SB1250_REFCLK (*((uint64_t *) 0xBFC00018))
  81 #endif
  82
  83
  84 /*  *********************************************************************
  85     *  Devices we're importing
  86     ********************************************************************* */
  87
  88 extern cfe_driver_t promice_uart;               /* promice serial port */
  89 extern cfe_driver_t sb1250_uart;                /* SB1250 serial ports */
  90 extern cfe_driver_t sb1250_ether;               /* SB1250 MACs */
  91 extern cfe_driver_t sb1250_x1240eeprom;         /* Xicor SMBus NVRAM */
  92 extern cfe_driver_t sb1250_24lc128eeprom;       /* Microchip EEPROM */
  93 extern cfe_driver_t newflashdrv;                /* AMD-style flash */
  94 extern cfe_driver_t idedrv;                     /* IDE disk */
  95 extern cfe_driver_t pcmciadrv;                  /* PCMCIA card */
  96 #if CFG_PCI
  97 extern cfe_driver_t pciidedrv;                  /* PCI IDE controller */
  98 extern cfe_driver_t dc21143drv;                 /* Tulip Ethernet */
  99 #endif
 100
 101 extern void ui_init_cpu1cmds(void);
 102 extern void ui_init_swarmcmds(void);
 103 extern int ui_init_corecmds(void);
 104 extern int ui_init_soccmds(void);
 105 extern int ui_init_testcmds(void);
 106 extern int ui_init_resetcmds(void);
 107 extern int ui_init_phycmds(void);
 108 extern int ui_init_tempsensorcmds(void);
 109 extern int ui_init_memtestcmds(void);
 110 extern int ui_init_toyclockcmds(void);
 111
 112 #if CFG_VGACONSOLE
 113 extern int vga_biosinit(void);
 114 #endif
 115
 116 extern void sb1250_show_cpu_type(void);
 117
 118 /*  *********************************************************************
 119     *  Some board-specific parameters
 120     ********************************************************************* */
 121
 122 /*
 123  * Note!  Configure the PROMICE for burst mode zero (one byte per
 124  * access).
 125  */
 126
 127 #define PROMICE_BASE    (0x1FDFFC00)
 128 #define PROMICE_WORDSIZE 1
 129
 130 #define REAL_BOOTROM_SIZE       (2*1024*1024)   /* region is 4MB, but rom is 2MB */
 131
 132 /*  *********************************************************************
 133     *  SysConfig switch settings
 134     ********************************************************************* */
 135
 136 #define CSWARM_PROMICE_CONSOLE  0x00000001
 137
 138 const unsigned int cswarm_startflags[8] = {
 139     0,                                          /* 0 : UART console, no PCI */
 140     CSWARM_PROMICE_CONSOLE,                     /* 1 : PromICE console, no PCI */
 141     CFE_INIT_PCI,                               /* 2 : UART console, PCI */
 142     CFE_INIT_PCI | CSWARM_PROMICE_CONSOLE,      /* 3 : PromICE console, PCI */
 143     0,                                          /* 4 : unused  */
 144     0,                                          /* 5 : unused */
 145     CFE_INIT_PCI | CFE_LDT_SLAVE,               /* 6 : 2, plus LDT slave mode */
 146     CFE_INIT_SAFE                               /* 7 : UART console, no pci, safe mode */
 147 };
 148
 149 static unsigned int cpu_pass;
 150 static unsigned int cpu_revision;
 151
 152
 153
 154 /*  *********************************************************************
 155     *  board_console_init()
 156     *
 157     *  Add the console device and set it to be the primary
 158     *  console.
 159     *
 160     *  Input parameters:
 161     *      nothing
 162     *
 163     *  Return value:
 164     *      nothing
 165     ********************************************************************* */
 166
 167 void board_console_init(void)
 168 {
 169     uint64_t syscfg;
 170     int plldiv;
 171
 172     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 173
 174     cpu_revision = (unsigned int) (SBREADCSR(A_SCD_SYSTEM_REVISION) &
 175                                    (M_SYS_PART | M_SYS_REVISION));
 176     cpu_pass = G_SYS_REVISION(cpu_revision);
 177
 178     /* Console */
 179 #if defined(_CSWARM_DIAG_CFG_) || defined(_CSWARM_DIAG3E_CFG_)
 180     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 181     cfe_set_console("promice0");
 182 #else
 183     cfe_add_device(&sb1250_uart,A_DUART,0,0);
 184     cfe_add_device(&promice_uart,PROMICE_BASE,PROMICE_WORDSIZE,0);
 185
 186     /*
 187      * Read the config switch and decide how we are going to
 188      * set up the console.  The config switch sets
 189      * bits 3..5 of the SYS_CONFIG field of the syscfg register.
 190      */
 191
 192     cfe_startflags = cswarm_startflags[(G_SYS_CONFIG(syscfg)/8) & 0x07];
 193
 194     if (cfe_startflags & CSWARM_PROMICE_CONSOLE) {
 195         cfe_set_console("promice0");
 196         }
 197     else {
 198         cfe_set_console("uart0");
 199         }
 200 #endif
 201
 202     /*
 203      * Set variable that contains CPU speed, spit out config register
 204      */
 205
 206     plldiv = G_SYS_PLL_DIV(syscfg);
 207     if (plldiv == 0) {
 208         plldiv = 6;
 209         }
 210
 211 #ifdef _FUNCSIM_
 212     cfe_cpu_speed = 500000;                     /* wire func sim at 500KHz */
 213 #else
 214     cfe_cpu_speed = 50000000 * plldiv;          /* use PLL divisor */
 215 #endif
 216
 217 #if CFG_VGACONSOLE
 218     vga_biosinit();
 219 #endif
 220
 221     /*
 222      * NVRAM (environment variables
 223      */
 224     cfe_add_device(&sb1250_x1240eeprom,X1240_SMBUS_CHAN,X1240_SMBUS_DEV,0);
 225     cfe_set_envdevice("eeprom0");       /* Connect NVRAM subsystem to EEPROM */
 226 }
 227
 228
 229
 230
 231 /*  *********************************************************************
 232     *  board_device_init()
 233     *
 234     *  Initialize and add other devices.  Add everything you need
 235     *  for bootstrap here, like disk drives, flash memory, UARTs,
 236     *  network controllers, etc.
 237     *
 238     *  Input parameters:
 239     *      nothing
 240     *
 241     *  Return value:
 242     *      nothing
 243     ********************************************************************* */
 244
 245 void board_device_init(void)
 246 {
 247     uint64_t syscfg;
 248
 249     /*
 250      * Boot ROM
 251      */
 252 #if !defined(_CSWARM_DIAG_CFG_)
 253     cfe_add_device(&newflashdrv,
 254                    BOOTROM_PHYS,
 255                    (BOOTROM_SIZE*K64) | FLASH_FLG_BUS8 | FLASH_FLG_DEV16,
 256                    NULL);
 257     cfe_add_device(&newflashdrv,
 258                    ALT_BOOTROM_PHYS,
 259                    (ALT_BOOTROM_SIZE*K64) | FLASH_FLG_BUS8 | FLASH_FLG_DEV16,
 260                    NULL);
 261 #endif
 262
 263     cfe_add_device(&sb1250_24lc128eeprom,BIGEEPROM_SMBUS_CHAN,BIGEEPROM_SMBUS_DEV,0);
 264
 265     /*
 266      * MACs - must init after environment, since the hw address is stored there
 267      */
 268     cfe_add_device(&sb1250_ether,A_MAC_BASE_0,0,env_getenv("ETH0_HWADDR"));
 269 #ifndef _CSWARM_DIAG_CFG_
 270     cfe_add_device(&sb1250_ether,A_MAC_BASE_1,1,env_getenv("ETH1_HWADDR"));
 271     cfe_add_device(&sb1250_ether,A_MAC_BASE_2,2,env_getenv("ETH2_HWADDR"));
 272 #endif
 273
 274     /*
 275      * IDE disks and PCMCIA
 276      */
 277 #if !defined(_CSWARM_DIAG_CFG_) && !defined(_CSWARM_DIAG3E_CFG_)
 278     /*
 279      * Uncomment to enable IDE disks
 280      *
 281      * cfe_add_device(&idedrv,IDE_PHYS+(0x1F0<<5),
 282      *             IDE_PROBE_MASTER_TYPE(IDE_DEVTYPE_DISK) |
 283      *             IDE_PROBE_SLAVE_TYPE(IDE_DEVTYPE_NOPROBE),
 284      *             NULL);
 285      */
 286
 287     /*
 288      * Uncomment to enable PCMCIA support
 289      *
 290      *  cfe_add_device(&pcmciadrv,PCMCIA_PHYS,0,NULL);
 291      */
 292 #endif
 293
 294 #if CFG_PCI
 295     /*
 296      * Add some sample PCI devices
 297      */
 298     if (cfe_startflags & CFE_INIT_PCI) {
 299         cfe_add_device(&pciidedrv,0,IDE_PROBE_MASTER_TYPE(IDE_DEVTYPE_DISK),NULL);
 300         cfe_add_device(&dc21143drv,0,0,env_getenv("TULIP0_HWADDR"));
 301         }
 302 #endif
 303
 304     /*
 305      * Set variable that contains CPU speed, spit out config register
 306      */
 307
 308     syscfg = SBREADCSR(A_SCD_SYSTEM_CFG);
 309     printf("Config switch: %d\n",G_SYS_CONFIG(syscfg));
 310
 311 #ifdef _MAGICWID_
 312     printf("Reference Clock: %dMhz\n",(uint32_t)SB1250_REFCLK);
 313 #endif
 314
 315     sb1250_show_cpu_type();
 316 }
 317
 318
 319
 320 /*  *********************************************************************
 321     *  board_device_reset()
 322     *
 323     *  Reset devices.  This call is done when the firmware is restarted,
 324     *  as might happen when an operating system exits, just before the
 325     *  "reset" command is applied to the installed devices.   You can
 326     *  do whatever board-specific things are here to keep the system
 327     *  stable, like stopping DMA sources, interrupts, etc.
 328     *
 329     *  Input parameters:
 330     *      nothing
 331     *
 332     *  Return value:
 333     *      nothing
 334     ********************************************************************* */
 335
 336 void board_device_reset(void)
 337 {
 338
 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_swarmcmds();
 362     ui_init_corecmds();
 363     ui_init_soccmds();
 364     ui_init_testcmds();
 365     ui_init_resetcmds();
 366     ui_init_tempsensorcmds();
 367     ui_init_memtestcmds();
 368     ui_init_toyclockcmds();
 369     ui_init_phycmds();
 370 }