LXR uboot/board/netphone/netphone.c

   1/*
   2 * (C) Copyright 2000-2004
   3 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 */
  24
  25/*
  26 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
  27 * U-Boot port on NetTA4 board
  28 */
  29
  30#include <common.h>
  31#include <miiphy.h>
  32#include <sed156x.h>
  33#include <status_led.h>
  34
  35#include "mpc8xx.h"
  36
  37#ifdef CONFIG_HW_WATCHDOG
  38#include <watchdog.h>
  39#endif
  40
  41int fec8xx_miiphy_read(char *devname, unsigned char addr,
  42                unsigned char  reg, unsigned short *value);
  43int fec8xx_miiphy_write(char *devname, unsigned char  addr,
  44                unsigned char  reg, unsigned short value);
  45
  46/****************************************************************/
  47
  48/* some sane bit macros */
  49#define _BD(_b)                         (1U << (31-(_b)))
  50#define _BDR(_l, _h)                    (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
  51
  52#define _BW(_b)                         (1U << (15-(_b)))
  53#define _BWR(_l, _h)                    (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
  54
  55#define _BB(_b)                         (1U << (7-(_b)))
  56#define _BBR(_l, _h)                    (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
  57
  58#define _B(_b)                          _BD(_b)
  59#define _BR(_l, _h)                     _BDR(_l, _h)
  60
  61/****************************************************************/
  62
  63/*
  64 * Check Board Identity:
  65 *
  66 * Return 1 always.
  67 */
  68
  69int checkboard(void)
  70{
  71        printf ("Intracom NetPhone V%d\n", CONFIG_NETPHONE_VERSION);
  72        return (0);
  73}
  74
  75/****************************************************************/
  76
  77#define _NOT_USED_      0xFFFFFFFF
  78
  79/****************************************************************/
  80
  81#define CS_0000         0x00000000
  82#define CS_0001         0x10000000
  83#define CS_0010         0x20000000
  84#define CS_0011         0x30000000
  85#define CS_0100         0x40000000
  86#define CS_0101         0x50000000
  87#define CS_0110         0x60000000
  88#define CS_0111         0x70000000
  89#define CS_1000         0x80000000
  90#define CS_1001         0x90000000
  91#define CS_1010         0xA0000000
  92#define CS_1011         0xB0000000
  93#define CS_1100         0xC0000000
  94#define CS_1101         0xD0000000
  95#define CS_1110         0xE0000000
  96#define CS_1111         0xF0000000
  97
  98#define BS_0000         0x00000000
  99#define BS_0001         0x01000000
 100#define BS_0010         0x02000000
 101#define BS_0011         0x03000000
 102#define BS_0100         0x04000000
 103#define BS_0101         0x05000000
 104#define BS_0110         0x06000000
 105#define BS_0111         0x07000000
 106#define BS_1000         0x08000000
 107#define BS_1001         0x09000000
 108#define BS_1010         0x0A000000
 109#define BS_1011         0x0B000000
 110#define BS_1100         0x0C000000
 111#define BS_1101         0x0D000000
 112#define BS_1110         0x0E000000
 113#define BS_1111         0x0F000000
 114
 115#define GPL0_AAAA       0x00000000
 116#define GPL0_AAA0       0x00200000
 117#define GPL0_AAA1       0x00300000
 118#define GPL0_000A       0x00800000
 119#define GPL0_0000       0x00A00000
 120#define GPL0_0001       0x00B00000
 121#define GPL0_111A       0x00C00000
 122#define GPL0_1110       0x00E00000
 123#define GPL0_1111       0x00F00000
 124
 125#define GPL1_0000       0x00000000
 126#define GPL1_0001       0x00040000
 127#define GPL1_1110       0x00080000
 128#define GPL1_1111       0x000C0000
 129
 130#define GPL2_0000       0x00000000
 131#define GPL2_0001       0x00010000
 132#define GPL2_1110       0x00020000
 133#define GPL2_1111       0x00030000
 134
 135#define GPL3_0000       0x00000000
 136#define GPL3_0001       0x00004000
 137#define GPL3_1110       0x00008000
 138#define GPL3_1111       0x0000C000
 139
 140#define GPL4_0000       0x00000000
 141#define GPL4_0001       0x00001000
 142#define GPL4_1110       0x00002000
 143#define GPL4_1111       0x00003000
 144
 145#define GPL5_0000       0x00000000
 146#define GPL5_0001       0x00000400
 147#define GPL5_1110       0x00000800
 148#define GPL5_1111       0x00000C00
 149#define LOOP            0x00000080
 150
 151#define EXEN            0x00000040
 152
 153#define AMX_COL         0x00000000
 154#define AMX_ROW         0x00000020
 155#define AMX_MAR         0x00000030
 156
 157#define NA              0x00000008
 158
 159#define UTA             0x00000004
 160
 161#define TODT            0x00000002
 162
 163#define LAST            0x00000001
 164
 165#define A10_AAAA        GPL0_AAAA
 166#define A10_AAA0        GPL0_AAA0
 167#define A10_AAA1        GPL0_AAA1
 168#define A10_000A        GPL0_000A
 169#define A10_0000        GPL0_0000
 170#define A10_0001        GPL0_0001
 171#define A10_111A        GPL0_111A
 172#define A10_1110        GPL0_1110
 173#define A10_1111        GPL0_1111
 174
 175#define RAS_0000        GPL1_0000
 176#define RAS_0001        GPL1_0001
 177#define RAS_1110        GPL1_1110
 178#define RAS_1111        GPL1_1111
 179
 180#define CAS_0000        GPL2_0000
 181#define CAS_0001        GPL2_0001
 182#define CAS_1110        GPL2_1110
 183#define CAS_1111        GPL2_1111
 184
 185#define WE_0000         GPL3_0000
 186#define WE_0001         GPL3_0001
 187#define WE_1110         GPL3_1110
 188#define WE_1111         GPL3_1111
 189
 190/* #define CAS_LATENCY  3  */
 191#define CAS_LATENCY     2
 192
 193const uint sdram_table[0x40] = {
 194
 195#if CAS_LATENCY == 3
 196        /* RSS */
 197        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 198        CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 199        CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,                   /* READ  */
 200        CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,                   /* PALL  */
 201        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 202        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,     /* NOP   */
 203        _NOT_USED_, _NOT_USED_,
 204
 205        /* RBS */
 206        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 207        CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 208        CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,                   /* READ  */
 209        CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 210        CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 211        CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 212        CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL,                         /* PALL  */
 213        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST,           /* NOP   */
 214        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 215        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 216
 217        /* WSS */
 218        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 219        CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 220        CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA,                   /* WRITE */
 221        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,                   /* PALL  */
 222        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,     /* NOP   */
 223        _NOT_USED_, _NOT_USED_, _NOT_USED_,
 224
 225        /* WBS */
 226        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 227        CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 228        CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL,                         /* WRITE */
 229        CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 230        CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 231        CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 232        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 233        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,                   /* PALL  */
 234        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,     /* NOP   */
 235        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 236        _NOT_USED_, _NOT_USED_, _NOT_USED_,
 237#endif
 238
 239#if CAS_LATENCY == 2
 240        /* RSS */
 241        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 242        CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 243        CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,                   /* READ  */
 244        CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL,                         /* NOP   */
 245        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,     /* PALL  */
 246        _NOT_USED_,
 247        _NOT_USED_, _NOT_USED_,
 248
 249        /* RBS */
 250        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 251        CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 252        CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,                   /* READ  */
 253        CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 254        CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 255        CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 256        CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL,                         /* NOP   */
 257        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,     /* PALL  */
 258        _NOT_USED_,
 259        _NOT_USED_, _NOT_USED_, _NOT_USED_,
 260        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 261
 262        /* WSS */
 263        CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 264        CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL,                         /* NOP   */
 265        CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA,                   /* WRITE */
 266        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,     /* PALL  */
 267        _NOT_USED_,
 268        _NOT_USED_, _NOT_USED_,
 269        _NOT_USED_,
 270
 271        /* WBS */
 272        CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* ACT   */
 273        CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL,                         /* NOP   */
 274        CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL,                         /* WRITE */
 275        CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 276        CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,                         /* NOP   */
 277        CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA,                   /* NOP   */
 278        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,     /* PALL  */
 279        _NOT_USED_,
 280        _NOT_USED_, _NOT_USED_, _NOT_USED_,
 281        _NOT_USED_, _NOT_USED_, _NOT_USED_,
 282        _NOT_USED_, _NOT_USED_,
 283
 284#endif
 285
 286        /* UPT */
 287        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP,            /* ATRFR */
 288        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 289        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 290        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,                   /* NOP   */
 291        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP,            /* NOP   */
 292        CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,     /* NOP   */
 293        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 294        _NOT_USED_, _NOT_USED_,
 295
 296        /* EXC */
 297        CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST,
 298        _NOT_USED_,
 299
 300        /* REG */
 301        CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA,
 302        CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST,
 303};
 304
 305#if CONFIG_NETPHONE_VERSION == 2
 306static const uint nandcs_table[0x40] = {
 307        /* RSS */
 308        CS_1000 | GPL4_1111 | GPL5_1111 | UTA,
 309        CS_0000 | GPL4_1110 | GPL5_1111 | UTA,
 310        CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
 311        CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
 312        CS_0000 | GPL4_0000 | GPL5_1111,
 313        CS_0000 | GPL4_0001 | GPL5_1111 | UTA,
 314        CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
 315        CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST,   /* NOP   */
 316
 317        /* RBS */
 318        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 319        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 320        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 321        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 322
 323        /* WSS */
 324        CS_1000 | GPL4_1111 | GPL5_1110 | UTA,
 325        CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
 326        CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
 327        CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
 328        CS_0000 | GPL4_1111 | GPL5_0001 | UTA,
 329        CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
 330        CS_0000 | GPL4_1111 | GPL5_1111,
 331        CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST,
 332
 333        /* WBS */
 334        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 335        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 336        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 337        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 338
 339        /* UPT */
 340        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 341        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 342        _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 343
 344        /* EXC */
 345        CS_0001 | LAST,
 346        _NOT_USED_,
 347
 348        /* REG */
 349        CS_1110 ,
 350        CS_0001 | LAST,
 351};
 352#endif
 353
 354/* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
 355/* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
 356#define MAR_SDRAM_INIT          ((CAS_LATENCY << 6) | 0x00000008LU)
 357
 358/* 8 */
 359#define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 360                         MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 361                         MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 362
 363void check_ram(unsigned int addr, unsigned int size)
 364{
 365        unsigned int i, j, v, vv;
 366        volatile unsigned int *p;
 367        unsigned int pv;
 368
 369        p = (unsigned int *)addr;
 370        pv = (unsigned int)p;
 371        for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
 372                *p++ = pv;
 373
 374        p = (unsigned int *)addr;
 375        for (i = 0; i < size / sizeof(unsigned int); i++) {
 376                v = (unsigned int)p;
 377                vv = *p;
 378                if (vv != v) {
 379                        printf("%p: read %08x instead of %08x\n", p, vv, v);
 380                        hang();
 381                }
 382                p++;
 383        }
 384
 385        for (j = 0; j < 5; j++) {
 386                switch (j) {
 387                        case 0: v = 0x00000000; break;
 388                        case 1: v = 0xffffffff; break;
 389                        case 2: v = 0x55555555; break;
 390                        case 3: v = 0xaaaaaaaa; break;
 391                        default:v = 0xdeadbeef; break;
 392                }
 393                p = (unsigned int *)addr;
 394                for (i = 0; i < size / sizeof(unsigned int); i++) {
 395                        *p = v;
 396                        vv = *p;
 397                        if (vv != v) {
 398                                printf("%p: read %08x instead of %08x\n", p, vv, v);
 399                                hang();
 400                        }
 401                        *p = ~v;
 402                        p++;
 403                }
 404        }
 405}
 406
 407phys_size_t initdram(int board_type)
 408{
 409        volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
 410        volatile memctl8xx_t *memctl = &immap->im_memctl;
 411        long int size;
 412
 413        upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(sdram_table[0]));
 414
 415        /*
 416         * Preliminary prescaler for refresh
 417         */
 418        memctl->memc_mptpr = MPTPR_PTP_DIV8;
 419
 420        memctl->memc_mar = MAR_SDRAM_INIT;      /* 32-bit address to be output on the address bus if AMX = 0b11 */
 421
 422        /*
 423         * Map controller bank 3 to the SDRAM bank at preliminary address.
 424         */
 425        memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
 426        memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
 427
 428        memctl->memc_mbmr = CONFIG_SYS_MAMR & ~MAMR_PTAE;       /* no refresh yet */
 429
 430        udelay(200);
 431
 432        /* perform SDRAM initialisation sequence */
 433        memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C);   /* precharge all                */
 434        udelay(1);
 435
 436        memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30);   /* refresh 2 times(0)           */
 437        udelay(1);
 438
 439        memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E);   /* exception program (write mar)*/
 440        udelay(1);
 441
 442        memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
 443
 444        udelay(10000);
 445
 446        {
 447                u32 d1, d2;
 448
 449                d1 = 0xAA55AA55;
 450                *(volatile u32 *)0 = d1;
 451                d2 = *(volatile u32 *)0;
 452                if (d1 != d2) {
 453                        printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
 454                        hang();
 455                }
 456
 457                d1 = 0x55AA55AA;
 458                *(volatile u32 *)0 = d1;
 459                d2 = *(volatile u32 *)0;
 460                if (d1 != d2) {
 461                        printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
 462                        hang();
 463                }
 464        }
 465
 466        size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
 467
 468        if (size == 0) {
 469                printf("SIZE is zero: LOOP on 0\n");
 470                for (;;) {
 471                        *(volatile u32 *)0 = 0;
 472                        (void)*(volatile u32 *)0;
 473                }
 474        }
 475
 476        return size;
 477}
 478
 479/* ------------------------------------------------------------------------- */
 480
 481void reset_phys(void)
 482{
 483        int phyno;
 484        unsigned short v;
 485
 486        udelay(10000);
 487        /* reset the damn phys */
 488        mii_init();
 489
 490        for (phyno = 0; phyno < 32; ++phyno) {
 491                fec8xx_miiphy_read(NULL, phyno, PHY_PHYIDR1, &v);
 492                if (v == 0xFFFF)
 493                        continue;
 494                fec8xx_miiphy_write(NULL, phyno, PHY_BMCR, PHY_BMCR_POWD);
 495                udelay(10000);
 496                fec8xx_miiphy_write(NULL, phyno, PHY_BMCR,
 497                                PHY_BMCR_RESET | PHY_BMCR_AUTON);
 498                udelay(10000);
 499        }
 500}
 501
 502/* ------------------------------------------------------------------------- */
 503
 504/* GP = general purpose, SP = special purpose (on chip peripheral) */
 505
 506/* bits that can have a special purpose or can be configured as inputs/outputs */
 507#define PA_GP_INMASK    0
 508#define PA_GP_OUTMASK   (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15))
 509#define PA_SP_MASK      0
 510#define PA_ODR_VAL      0
 511#define PA_GP_OUTVAL    (_BW(3) | _BW(14) | _BW(15))
 512#define PA_SP_DIRVAL    0
 513
 514#define PB_GP_INMASK    _B(28)
 515#define PB_GP_OUTMASK   (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30))
 516#define PB_SP_MASK      (_BR(22, 25))
 517#define PB_ODR_VAL      0
 518#define PB_GP_OUTVAL    (_B(26) | _B(27) | _B(29) | _B(30))
 519#define PB_SP_DIRVAL    0
 520
 521#if CONFIG_NETPHONE_VERSION == 1
 522#define PC_GP_INMASK    _BW(12)
 523#define PC_GP_OUTMASK   (_BW(10) | _BW(11) | _BW(13) | _BW(15))
 524#elif CONFIG_NETPHONE_VERSION == 2
 525#define PC_GP_INMASK    (_BW(13) | _BW(15))
 526#define PC_GP_OUTMASK   (_BW(10) | _BW(11) | _BW(12))
 527#endif
 528#define PC_SP_MASK      0
 529#define PC_SOVAL        0
 530#define PC_INTVAL       0
 531#define PC_GP_OUTVAL    (_BW(10) | _BW(11))
 532#define PC_SP_DIRVAL    0
 533
 534#if CONFIG_NETPHONE_VERSION == 1
 535#define PE_GP_INMASK    _B(31)
 536#define PE_GP_OUTMASK   (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30))
 537#define PE_GP_OUTVAL    (_B(20) | _B(24) | _B(27) | _B(28))
 538#elif CONFIG_NETPHONE_VERSION == 2
 539#define PE_GP_INMASK    _BR(28, 31)
 540#define PE_GP_OUTMASK   (_B(17) | _B(18) |_B(20) | _B(24) | _B(27))
 541#define PE_GP_OUTVAL    (_B(20) | _B(24) | _B(27))
 542#endif
 543#define PE_SP_MASK      0
 544#define PE_ODR_VAL      0
 545#define PE_SP_DIRVAL    0
 546
 547int board_early_init_f(void)
 548{
 549        volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
 550        volatile iop8xx_t *ioport = &immap->im_ioport;
 551        volatile cpm8xx_t *cpm = &immap->im_cpm;
 552        volatile memctl8xx_t *memctl = &immap->im_memctl;
 553
 554        /* NAND chip select */
 555#if CONFIG_NETPHONE_VERSION == 1
 556        memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX);
 557        memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
 558#elif CONFIG_NETPHONE_VERSION == 2
 559        upmconfig(UPMA, (uint *) nandcs_table, sizeof(nandcs_table) / sizeof(nandcs_table[0]));
 560        memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_G5LS);
 561        memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V | BR_MS_UPMA);
 562        memctl->memc_mamr = 0;  /* all clear */
 563#endif
 564
 565        /* DSP chip select */
 566        memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX);
 567        memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
 568
 569#if CONFIG_NETPHONE_VERSION == 1
 570        memctl->memc_br4 &= ~BR_V;
 571#endif
 572        memctl->memc_br5 &= ~BR_V;
 573        memctl->memc_br6 &= ~BR_V;
 574        memctl->memc_br7 &= ~BR_V;
 575
 576        ioport->iop_padat       = PA_GP_OUTVAL;
 577        ioport->iop_paodr       = PA_ODR_VAL;
 578        ioport->iop_padir       = PA_GP_OUTMASK | PA_SP_DIRVAL;
 579        ioport->iop_papar       = PA_SP_MASK;
 580
 581        cpm->cp_pbdat           = PB_GP_OUTVAL;
 582        cpm->cp_pbodr           = PB_ODR_VAL;
 583        cpm->cp_pbdir           = PB_GP_OUTMASK | PB_SP_DIRVAL;
 584        cpm->cp_pbpar           = PB_SP_MASK;
 585
 586        ioport->iop_pcdat       = PC_GP_OUTVAL;
 587        ioport->iop_pcdir       = PC_GP_OUTMASK | PC_SP_DIRVAL;
 588        ioport->iop_pcso        = PC_SOVAL;
 589        ioport->iop_pcint       = PC_INTVAL;
 590        ioport->iop_pcpar       = PC_SP_MASK;
 591
 592        cpm->cp_pedat           = PE_GP_OUTVAL;
 593        cpm->cp_peodr           = PE_ODR_VAL;
 594        cpm->cp_pedir           = PE_GP_OUTMASK | PE_SP_DIRVAL;
 595        cpm->cp_pepar           = PE_SP_MASK;
 596
 597        return 0;
 598}
 599
 600#ifdef CONFIG_HW_WATCHDOG
 601
 602void hw_watchdog_reset(void)
 603{
 604        /* XXX add here the really funky stuff */
 605}
 606
 607#endif
 608
 609#ifdef CONFIG_SHOW_ACTIVITY
 610
 611static volatile int left_to_poll = PHONE_CONSOLE_POLL_HZ;       /* poll */
 612
 613/* called from timer interrupt every 1/CONFIG_SYS_HZ sec */
 614void board_show_activity(ulong timestamp)
 615{
 616        if (left_to_poll > -PHONE_CONSOLE_POLL_HZ)
 617                --left_to_poll;
 618}
 619
 620extern void phone_console_do_poll(void);
 621
 622static void do_poll(void)
 623{
 624        unsigned int base;
 625
 626        while (left_to_poll <= 0) {
 627                phone_console_do_poll();
 628                base = left_to_poll + PHONE_CONSOLE_POLL_HZ;
 629                do {
 630                        left_to_poll = base;
 631                } while (base != left_to_poll);
 632        }
 633}
 634
 635/* called when looping */
 636void show_activity(int arg)
 637{
 638        do_poll();
 639}
 640
 641#endif
 642
 643#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
 644int overwrite_console(void)
 645{
 646        /* printf("overwrite_console called\n"); */
 647        return 0;
 648}
 649#endif
 650
 651extern int drv_phone_init(void);
 652extern int drv_phone_use_me(void);
 653extern int drv_phone_is_idle(void);
 654
 655int misc_init_r(void)
 656{
 657        return drv_phone_init();
 658}
 659
 660int last_stage_init(void)
 661{
 662        int i;
 663
 664#if CONFIG_NETPHONE_VERSION == 2
 665        /* assert peripheral reset */
 666        ((volatile immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat &= ~_BW(12);
 667        for (i = 0; i < 10; i++)
 668                udelay(1000);
 669        ((volatile immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat |=  _BW(12);
 670#endif
 671        reset_phys();
 672
 673        /* check in order to enable the local console */
 674        left_to_poll = PHONE_CONSOLE_POLL_HZ;
 675        i = CONFIG_SYS_HZ * 2;
 676        while (i > 0) {
 677
 678                if (tstc()) {
 679                        getc();
 680                        break;
 681                }
 682
 683                do_poll();
 684
 685                if (drv_phone_use_me()) {
 686                        status_led_set(0, STATUS_LED_ON);
 687                        while (!drv_phone_is_idle()) {
 688                                do_poll();
 689                                udelay(1000000 / CONFIG_SYS_HZ);
 690                        }
 691
 692                        console_assign(stdin, "phone");
 693                        console_assign(stdout, "phone");
 694                        console_assign(stderr, "phone");
 695                        setenv("bootdelay", "-1");
 696                        break;
 697                }
 698
 699                udelay(1000000 / CONFIG_SYS_HZ);
 700                i--;
 701                left_to_poll--;
 702        }
 703        left_to_poll = PHONE_CONSOLE_POLL_HZ;
 704
 705        return 0;
 706}
 707