wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 4 | * Marius Groeger <mgroeger@sysgo.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 | #include <common.h> |
| 26 | #include <ioports.h> |
| 27 | #include <mpc8260.h> |
| 28 | #include <i2c.h> |
| 29 | |
| 30 | /* define to initialise the SDRAM on the local bus */ |
| 31 | #undef INIT_LOCAL_BUS_SDRAM |
| 32 | |
| 33 | /* I2C Bus adresses for PPC & Protocol board */ |
| 34 | #define PPC8260_I2C_ADR 0x30 /*(0)011.0000 */ |
| 35 | #define LM84_PPC_I2C_ADR 0x2A /*(0)010.1010 */ |
| 36 | #define LM84_SHARC_I2C_ADR 0x29 /*(0)010.1001 */ |
| 37 | #define VIRTEX_I2C_ADR 0x25 /*(0)010.0101 */ |
| 38 | #define X24645_PPC_I2C_ADR 0x00 /*(0)00X.XXXX -> be careful ! No other i2c-chip should have an adress beginning with (0)00 !!! */ |
| 39 | #define RS5C372_PPC_I2C_ADR 0x32 /*(0)011.0010 -> this adress is programmed by the manufacturer and cannot be changed !!! */ |
| 40 | |
| 41 | /* |
| 42 | * I/O Port configuration table |
| 43 | * |
| 44 | * if conf is 1, then that port pin will be configured at boot time |
| 45 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 46 | */ |
| 47 | |
| 48 | const iop_conf_t iop_conf_tab[4][32] = { |
| 49 | |
| 50 | /* Port A configuration */ |
| 51 | { /* conf ppar psor pdir podr pdat */ |
| 52 | /* PA31 */ { 0, 0, 0, 0, 0, 0 }, |
| 53 | /* PA30 */ { 0, 0, 0, 0, 0, 0 }, |
| 54 | /* PA29 */ { 0, 0, 0, 0, 0, 0 }, |
| 55 | /* PA28 */ { 0, 0, 0, 0, 0, 0 }, |
| 56 | /* PA27 */ { 0, 0, 0, 0, 0, 0 }, |
| 57 | /* PA26 */ { 0, 0, 0, 0, 0, 0 }, |
| 58 | /* PA25 */ { 0, 0, 0, 0, 0, 0 }, |
| 59 | /* PA24 */ { 0, 0, 0, 0, 0, 0 }, |
| 60 | /* PA23 */ { 0, 0, 0, 0, 0, 0 }, |
| 61 | /* PA22 */ { 0, 0, 0, 0, 0, 0 }, |
| 62 | /* PA21 */ { 0, 0, 0, 0, 0, 0 }, |
| 63 | /* PA20 */ { 0, 0, 0, 0, 0, 0 }, |
| 64 | /* PA19 */ { 0, 0, 0, 0, 0, 0 }, |
| 65 | /* PA18 */ { 0, 0, 0, 0, 0, 0 }, |
| 66 | /* PA17 */ { 0, 0, 0, 0, 0, 0 }, |
| 67 | /* PA16 */ { 0, 0, 0, 0, 0, 0 }, |
| 68 | /* PA15 */ { 0, 0, 0, 0, 0, 0 }, |
| 69 | /* PA14 */ { 0, 0, 0, 0, 0, 0 }, |
| 70 | /* PA13 */ { 0, 0, 0, 0, 0, 0 }, |
| 71 | /* PA12 */ { 0, 0, 0, 0, 0, 0 }, |
| 72 | /* PA11 */ { 0, 0, 0, 0, 0, 0 }, |
| 73 | /* PA10 */ { 0, 0, 0, 0, 0, 0 }, |
| 74 | /* PA9 */ { 0, 0, 0, 0, 0, 0 }, |
| 75 | /* PA8 */ { 0, 0, 0, 0, 0, 0 }, |
| 76 | /* PA7 */ { 0, 0, 0, 0, 0, 0 }, |
| 77 | /* PA6 */ { 0, 0, 0, 0, 0, 0 }, |
| 78 | /* PA5 */ { 0, 0, 0, 0, 0, 0 }, |
| 79 | /* PA4 */ { 0, 0, 0, 0, 0, 0 }, |
| 80 | /* PA3 */ { 0, 0, 0, 0, 0, 0 }, |
| 81 | /* PA2 */ { 0, 0, 0, 0, 0, 0 }, |
| 82 | /* PA1 */ { 0, 0, 0, 0, 0, 0 }, |
| 83 | /* PA0 */ { 0, 0, 0, 0, 0, 0 } |
| 84 | }, |
| 85 | |
| 86 | |
| 87 | { /* conf ppar psor pdir podr pdat */ |
| 88 | /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 89 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 90 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 91 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 92 | /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 93 | /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 94 | /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 95 | /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 96 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 97 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 98 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 99 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 100 | /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 101 | /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 102 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, |
| 103 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, |
| 104 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, |
| 105 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, |
| 106 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, |
| 107 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, |
| 108 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, |
| 109 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, |
| 110 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, |
| 111 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, |
| 112 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, |
| 113 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, |
| 114 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, |
| 115 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, |
| 116 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 117 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 118 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 119 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 120 | }, |
| 121 | |
| 122 | |
| 123 | { /* conf ppar psor pdir podr pdat */ |
| 124 | /* PC31 */ { 0, 0, 0, 0, 0, 0 }, |
| 125 | /* PC30 */ { 0, 0, 0, 0, 0, 0 }, |
| 126 | /* PC29 */ { 0, 0, 0, 0, 0, 0 }, |
| 127 | /* PC28 */ { 0, 0, 0, 0, 0, 0 }, |
| 128 | /* PC27 */ { 0, 0, 0, 0, 0, 0 }, |
| 129 | /* PC26 */ { 0, 0, 0, 0, 0, 0 }, |
| 130 | /* PC25 */ { 0, 0, 0, 0, 0, 0 }, |
| 131 | /* PC24 */ { 0, 0, 0, 0, 0, 0 }, |
| 132 | /* PC23 */ { 0, 0, 0, 0, 0, 0 }, |
| 133 | /* PC22 */ { 0, 0, 0, 0, 0, 0 }, |
| 134 | /* PC21 */ { 0, 0, 0, 0, 0, 0 }, |
| 135 | /* PC20 */ { 0, 0, 0, 0, 0, 0 }, |
| 136 | /* PC19 */ { 1, 1, 0, 0, 0, 0 }, |
| 137 | /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* ETHRXCLK: CLK14 */ |
| 138 | /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* ETHTXCLK: CLK15 */ |
| 139 | /* PC16 */ { 0, 0, 0, 0, 0, 0 }, |
| 140 | /* PC15 */ { 0, 0, 0, 0, 0, 0 }, |
| 141 | /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART CD/ */ |
| 142 | /* PC13 */ { 0, 0, 0, 0, 0, 0 }, |
| 143 | /* PC12 */ { 0, 0, 0, 0, 0, 0 }, |
| 144 | /* PC11 */ { 0, 0, 0, 0, 0, 0 }, |
| 145 | /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDC: GP */ |
| 146 | /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDIO: GP */ |
| 147 | /* PC8 */ { 0, 0, 0, 0, 0, 0 }, |
| 148 | /* PC7 */ { 0, 0, 0, 0, 0, 0 }, |
| 149 | /* PC6 */ { 0, 0, 0, 0, 0, 0 }, |
| 150 | /* PC5 */ { 0, 0, 0, 0, 0, 0 }, |
| 151 | /* PC4 */ { 0, 0, 0, 0, 0, 0 }, |
| 152 | /* PC3 */ { 0, 0, 0, 0, 0, 0 }, |
| 153 | /* PC2 */ { 0, 0, 0, 0, 0, 0 }, |
| 154 | /* PC1 */ { 0, 0, 0, 0, 0, 0 }, |
| 155 | /* PC0 */ { 0, 0, 0, 0, 0, 0 } |
| 156 | }, |
| 157 | |
| 158 | |
| 159 | { /* conf ppar psor pdir podr pdat */ |
| 160 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */ |
| 161 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */ |
| 162 | /* PD29 */ { 0, 0, 0, 0, 0, 0 }, |
| 163 | /* PD28 */ { 0, 0, 0, 0, 0, 0 }, |
| 164 | /* PD27 */ { 0, 0, 0, 0, 0, 0 }, |
| 165 | /* PD26 */ { 0, 0, 0, 0, 0, 0 }, |
| 166 | /* PD25 */ { 0, 0, 0, 0, 0, 0 }, |
| 167 | /* PD24 */ { 0, 0, 0, 0, 0, 0 }, |
| 168 | /* PD23 */ { 0, 0, 0, 0, 0, 0 }, |
| 169 | /* PD22 */ { 0, 0, 0, 0, 0, 0 }, |
| 170 | /* PD21 */ { 0, 0, 0, 0, 0, 0 }, |
| 171 | /* PD20 */ { 0, 0, 0, 0, 0, 0 }, |
| 172 | /* PD19 */ { 0, 0, 0, 0, 0, 0 }, |
| 173 | /* PD18 */ { 0, 0, 0, 0, 0, 0 }, |
| 174 | /* PD17 */ { 0, 0, 0, 0, 0, 0 }, |
| 175 | /* PD16 */ { 0, 0, 0, 0, 0, 0 }, |
| 176 | /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 177 | /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| 178 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, |
| 179 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, |
| 180 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, |
| 181 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, |
| 182 | /* PD9 */ { 0, 0, 0, 0, 0, 0 }, |
| 183 | /* PD8 */ { 0, 0, 0, 0, 0, 0 }, |
| 184 | /* PD7 */ { 0, 0, 0, 0, 0, 0 }, |
| 185 | /* PD6 */ { 0, 0, 0, 0, 0, 0 }, |
| 186 | /* PD5 */ { 0, 0, 0, 0, 0, 0 }, |
| 187 | /* PD4 */ { 0, 0, 0, 0, 0, 0 }, |
| 188 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 189 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 190 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 191 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 192 | } |
| 193 | }; |
| 194 | |
| 195 | /* ------------------------------------------------------------------------- */ |
| 196 | |
| 197 | struct tm { |
| 198 | unsigned int tm_sec; |
| 199 | unsigned int tm_min; |
| 200 | unsigned int tm_hour; |
| 201 | unsigned int tm_wday; |
| 202 | unsigned int tm_mday; |
| 203 | unsigned int tm_mon; |
| 204 | unsigned int tm_year; |
| 205 | }; |
| 206 | |
| 207 | void read_RS5C372_time (struct tm *timedate) |
| 208 | { |
| 209 | unsigned char buffer[8]; |
| 210 | |
| 211 | #define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10) |
| 212 | |
Luotao Fu | 67bdcae | 2007-11-14 18:58:33 +0100 | [diff] [blame] | 213 | if (! i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 214 | timedate->tm_sec = BCD_TO_BIN (buffer[0]); |
| 215 | timedate->tm_min = BCD_TO_BIN (buffer[1]); |
| 216 | timedate->tm_hour = BCD_TO_BIN (buffer[2]); |
| 217 | timedate->tm_wday = BCD_TO_BIN (buffer[3]); |
| 218 | timedate->tm_mday = BCD_TO_BIN (buffer[4]); |
| 219 | timedate->tm_mon = BCD_TO_BIN (buffer[5]); |
| 220 | timedate->tm_year = BCD_TO_BIN (buffer[6]) + 2000; |
| 221 | } else { |
| 222 | /*printf("i2c error %02x\n", rc); */ |
| 223 | memset (timedate, 0, sizeof (struct tm)); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | /* ------------------------------------------------------------------------- */ |
| 228 | |
| 229 | int read_LM84_temp (int address) |
| 230 | { |
| 231 | unsigned char buffer[8]; |
| 232 | /*int rc;*/ |
| 233 | |
Luotao Fu | 67bdcae | 2007-11-14 18:58:33 +0100 | [diff] [blame] | 234 | if (! i2c_read (address, 0, 1, buffer, 1)) { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 235 | return (int) buffer[0]; |
| 236 | } else { |
| 237 | /*printf("i2c error %02x\n", rc); */ |
| 238 | return -42; |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | /* ------------------------------------------------------------------------- */ |
| 243 | |
| 244 | /* |
| 245 | * Check Board Identity: |
| 246 | */ |
| 247 | |
| 248 | int checkboard (void) |
| 249 | { |
| 250 | struct tm timedate; |
| 251 | unsigned int ppctemp, prottemp; |
| 252 | |
| 253 | puts ("Board: Rohde & Schwarz 8260 Protocol Board\n"); |
| 254 | |
| 255 | /* initialise i2c */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 256 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 257 | |
| 258 | read_RS5C372_time (&timedate); |
| 259 | printf (" Time: %02d:%02d:%02d\n", |
| 260 | timedate.tm_hour, timedate.tm_min, timedate.tm_sec); |
| 261 | printf (" Date: %02d-%02d-%04d\n", |
| 262 | timedate.tm_mday, timedate.tm_mon, timedate.tm_year); |
| 263 | ppctemp = read_LM84_temp (LM84_PPC_I2C_ADR); |
| 264 | prottemp = read_LM84_temp (LM84_SHARC_I2C_ADR); |
| 265 | printf (" Temp: PPC %d C, Protocol Board %d C\n", |
| 266 | ppctemp, prottemp); |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | /* ------------------------------------------------------------------------- */ |
| 272 | |
| 273 | /* |
| 274 | * Miscelaneous platform dependent initialisations while still |
| 275 | * running in flash |
| 276 | */ |
| 277 | |
| 278 | int misc_init_f (void) |
| 279 | { |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | /* ------------------------------------------------------------------------- */ |
| 284 | |
Becky Bruce | bd99ae7 | 2008-06-09 16:03:40 -0500 | [diff] [blame] | 285 | phys_size_t initdram (int board_type) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 286 | { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 287 | volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 288 | volatile memctl8260_t *memctl = &immap->im_memctl; |
| 289 | |
| 290 | #ifdef INIT_LOCAL_BUS_SDRAM |
| 291 | volatile uchar *ramaddr8; |
| 292 | #endif |
| 293 | volatile ulong *ramaddr32; |
| 294 | ulong sdmr; |
| 295 | int i; |
| 296 | |
| 297 | /* |
| 298 | * Only initialize SDRAM when running from FLASH. |
| 299 | * When running from RAM, don't touch it. |
| 300 | */ |
| 301 | if ((ulong) initdram & 0xff000000) { |
| 302 | immap->im_siu_conf.sc_ppc_acr = 0x02; |
| 303 | immap->im_siu_conf.sc_ppc_alrh = 0x01267893; |
| 304 | immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF; |
| 305 | immap->im_siu_conf.sc_lcl_acr = 0x02; |
| 306 | immap->im_siu_conf.sc_lcl_alrh = 0x01234567; |
| 307 | immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF; |
| 308 | /* |
| 309 | * Program local/60x bus Transfer Error Status and Control Regs: |
| 310 | * Disable parity errors |
| 311 | */ |
| 312 | immap->im_siu_conf.sc_tescr1 = 0x00040000; |
| 313 | immap->im_siu_conf.sc_ltescr1 = 0x00040000; |
| 314 | |
| 315 | /* |
| 316 | * Perform Power-Up Initialisation of SDRAM (see 8260 UM, 10.4.2) |
| 317 | * |
| 318 | * The appropriate BRx/ORx registers have already |
| 319 | * been set when we get here (see cpu_init_f). The |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 320 | * SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 321 | */ |
| 322 | memctl->memc_mptpr = 0x2000; |
| 323 | memctl->memc_mar = 0x0200; |
| 324 | #ifdef INIT_LOCAL_BUS_SDRAM |
| 325 | /* initialise local bus ram |
| 326 | * |
| 327 | * (using the PSRMR_ definitions is NOT an error here |
| 328 | * - the LSDMR has the same fields as the PSDMR!) |
| 329 | */ |
| 330 | memctl->memc_lsrt = 0x0b; |
| 331 | memctl->memc_lurt = 0x00; |
| 332 | ramaddr = (uchar *) PHYS_SDRAM_LOCAL; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 333 | sdmr = CONFIG_SYS_LSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 334 | memctl->memc_lsdmr = sdmr | PSDMR_OP_PREA; |
| 335 | *ramaddr = 0xff; |
| 336 | for (i = 0; i < 8; i++) { |
| 337 | memctl->memc_lsdmr = sdmr | PSDMR_OP_CBRR; |
| 338 | *ramaddr = 0xff; |
| 339 | } |
| 340 | memctl->memc_lsdmr = sdmr | PSDMR_OP_MRW; |
| 341 | *ramaddr = 0xff; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 342 | memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_OP_NORM; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 343 | #endif |
| 344 | /* initialise 60x bus ram */ |
| 345 | memctl->memc_psrt = 0x0b; |
| 346 | memctl->memc_purt = 0x08; |
| 347 | ramaddr32 = (ulong *) PHYS_SDRAM_60X; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 348 | sdmr = CONFIG_SYS_PSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 349 | memctl->memc_psdmr = sdmr | PSDMR_OP_PREA; |
| 350 | ramaddr32[0] = 0x00ff00ff; |
| 351 | ramaddr32[1] = 0x00ff00ff; |
| 352 | memctl->memc_psdmr = sdmr | PSDMR_OP_CBRR; |
| 353 | for (i = 0; i < 8; i++) { |
| 354 | ramaddr32[0] = 0x00ff00ff; |
| 355 | ramaddr32[1] = 0x00ff00ff; |
| 356 | } |
| 357 | memctl->memc_psdmr = sdmr | PSDMR_OP_MRW; |
| 358 | ramaddr32[0] = 0x00ff00ff; |
| 359 | ramaddr32[1] = 0x00ff00ff; |
| 360 | memctl->memc_psdmr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| 361 | } |
| 362 | |
| 363 | /* return the size of the 60x bus ram */ |
| 364 | return PHYS_SDRAM_60X_SIZE; |
| 365 | } |
| 366 | |
| 367 | /* ------------------------------------------------------------------------- */ |
| 368 | |
| 369 | /* |
| 370 | * Miscelaneous platform dependent initialisations after monitor |
| 371 | * has been relocated into ram |
| 372 | */ |
| 373 | |
| 374 | int misc_init_r (void) |
| 375 | { |
| 376 | printf ("misc_init_r\n"); |
| 377 | return (0); |
| 378 | } |