| Wolfgang Denk | 8dd4d33 | 2005-08-06 01:42:58 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004 Arabella Software Ltd. |
| 3 | * Yuli Barcohen <yuli@arabellasw.com> |
| 4 | * |
| 5 | * Support for Embedded Planet EP8248 boards. |
| 6 | * Tested on EP8248E. |
| 7 | * |
| 8 | * See file CREDITS for list of people who contributed to this |
| 9 | * project. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License as |
| 13 | * published by the Free Software Foundation; either version 2 of |
| 14 | * the License, or (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 24 | * MA 02111-1307 USA |
| 25 | */ |
| 26 | |
| 27 | #include <common.h> |
| 28 | #include <mpc8260.h> |
| 29 | #include <ioports.h> |
| 30 | |
| 31 | /* |
| 32 | * I/O Port configuration table |
| 33 | * |
| 34 | * if conf is 1, then that port pin will be configured at boot time |
| 35 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 36 | */ |
| 37 | |
| 38 | #define CFG_FCC1 (CONFIG_ETHER_INDEX == 1) |
| 39 | #define CFG_FCC2 (CONFIG_ETHER_INDEX == 2) |
| 40 | |
| 41 | const iop_conf_t iop_conf_tab[4][32] = { |
| 42 | |
| 43 | /* Port A */ |
| 44 | { /* conf ppar psor pdir podr pdat */ |
| 45 | /* PA31 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */ |
| 46 | /* PA30 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */ |
| 47 | /* PA29 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */ |
| 48 | /* PA28 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */ |
| 49 | /* PA27 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */ |
| 50 | /* PA26 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */ |
| 51 | /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */ |
| 52 | /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */ |
| 53 | /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ |
| 54 | /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ |
| 55 | /* PA21 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */ |
| 56 | /* PA20 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */ |
| 57 | /* PA19 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */ |
| 58 | /* PA18 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */ |
| 59 | /* PA17 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */ |
| 60 | /* PA16 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */ |
| 61 | /* PA15 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */ |
| 62 | /* PA14 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */ |
| 63 | /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ |
| 64 | /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */ |
| 65 | /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ |
| 66 | /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */ |
| 67 | /* PA9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC2 TxD */ |
| 68 | /* PA8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC2 RxD */ |
| 69 | /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */ |
| 70 | /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ |
| 71 | /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */ |
| 72 | /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */ |
| 73 | /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */ |
| 74 | /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */ |
| 75 | /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ |
| 76 | /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */ |
| 77 | }, |
| 78 | |
| 79 | /* Port B */ |
| 80 | { /* conf ppar psor pdir podr pdat */ |
| 81 | /* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 82 | /* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 83 | /* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 84 | /* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 85 | /* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 86 | /* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 87 | /* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 88 | /* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 89 | /* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 90 | /* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 91 | /* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 92 | /* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 93 | /* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 94 | /* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 95 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 96 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 97 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 98 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 99 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 100 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 101 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 102 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 103 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 104 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 105 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 106 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 107 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 108 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 109 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 110 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 111 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 112 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| 113 | }, |
| 114 | |
| 115 | /* Port C */ |
| 116 | { /* conf ppar psor pdir podr pdat */ |
| 117 | /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ |
| 118 | /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ |
| 119 | /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ |
| 120 | /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ |
| 121 | /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ |
| 122 | /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ |
| 123 | /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ |
| 124 | /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ |
| 125 | /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ |
| 126 | /* PC22 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 RxClk (CLK10) */ |
| 127 | /* PC21 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 TxClk (CLK11) */ |
| 128 | /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ |
| 129 | /* PC19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 RxClk (CLK13) */ |
| 130 | /* PC18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 TxClk (CLK14) */ |
| 131 | /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */ |
| 132 | /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */ |
| 133 | /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ |
| 134 | /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ |
| 135 | /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */ |
| 136 | /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */ |
| 137 | /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ |
| 138 | /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ |
| 139 | /* PC9 */ { 1, 0, 0, 1, 0, 1 }, /* MDIO */ |
| 140 | /* PC8 */ { 1, 0, 0, 1, 0, 1 }, /* MDC */ |
| 141 | /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ |
| 142 | /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ |
| 143 | /* PC5 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TxD */ |
| 144 | /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RxD */ |
| 145 | /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ |
| 146 | /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ |
| 147 | /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ |
| 148 | /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ |
| 149 | }, |
| 150 | |
| 151 | /* Port D */ |
| 152 | { /* conf ppar psor pdir podr pdat */ |
| 153 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RxD */ |
| 154 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TxD */ |
| 155 | /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */ |
| 156 | /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */ |
| 157 | /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */ |
| 158 | /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */ |
| 159 | /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */ |
| 160 | /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */ |
| 161 | /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */ |
| 162 | /* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */ |
| 163 | /* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */ |
| 164 | /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */ |
| 165 | /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */ |
| 166 | /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */ |
| 167 | /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */ |
| 168 | /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */ |
| 169 | /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 170 | /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| 171 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 172 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 173 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 174 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 175 | /* PD9 */ { 0, 0, 0, 0, 0, 0 }, /* PD9 */ |
| 176 | /* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* PD8 */ |
| 177 | /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */ |
| 178 | /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */ |
| 179 | /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */ |
| 180 | /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */ |
| 181 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 182 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 183 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 184 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| 185 | } |
| 186 | }; |
| 187 | |
| 188 | int board_early_init_f (void) |
| 189 | { |
| 190 | vu_char *bcsr = (vu_char *)CFG_BCSR; |
| 191 | |
| 192 | bcsr[4] |= 0x30; /* Turn the LEDs off */ |
| 193 | |
| 194 | #if defined(CONFIG_CONS_ON_SMC) || defined(CONFIG_KGDB_ON_SMC) |
| 195 | bcsr[6] |= 0x10; |
| 196 | #endif |
| 197 | #if defined(CONFIG_CONS_ON_SCC) || defined(CONFIG_KGDB_ON_SCC) |
| 198 | bcsr[7] |= 0x10; |
| 199 | #endif |
| 200 | |
| 201 | #if CFG_FCC1 |
| 202 | bcsr[8] |= 0xC0; |
| 203 | #endif /* CFG_FCC1 */ |
| 204 | #if CFG_FCC2 |
| 205 | bcsr[8] |= 0x30; |
| 206 | #endif /* CFG_FCC2 */ |
| 207 | |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | long int initdram(int board_type) |
| 212 | { |
| 213 | vu_char *bcsr = (vu_char *)CFG_BCSR; |
| 214 | long int msize = 16L << (bcsr[2] & 3); |
| 215 | |
| 216 | #ifndef CFG_RAMBOOT |
| 217 | volatile immap_t *immap = (immap_t *)CFG_IMMR; |
| 218 | volatile memctl8260_t *memctl = &immap->im_memctl; |
| 219 | vu_char *ramaddr = (vu_char *)CFG_SDRAM_BASE; |
| 220 | uchar c = 0xFF; |
| 221 | uint psdmr = CFG_PSDMR; |
| 222 | int i; |
| 223 | |
| 224 | immap->im_siu_conf.sc_ppc_acr = 0x02; |
| 225 | immap->im_siu_conf.sc_ppc_alrh = 0x30126745; |
| 226 | immap->im_siu_conf.sc_tescr1 = 0x00004000; |
| 227 | |
| 228 | memctl->memc_mptpr = CFG_MPTPR; |
| 229 | |
| 230 | /* Initialise 60x bus SDRAM */ |
| 231 | memctl->memc_psrt = CFG_PSRT; |
| 232 | memctl->memc_or1 = CFG_SDRAM_OR; |
| 233 | memctl->memc_br1 = CFG_SDRAM_BR; |
| 234 | memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; /* Precharge all banks */ |
| 235 | *ramaddr = c; |
| 236 | memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */ |
| 237 | for (i = 0; i < 8; i++) |
| 238 | *ramaddr = c; |
| 239 | memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; /* Mode Register write */ |
| 240 | *ramaddr = c; |
| 241 | memctl->memc_psdmr = psdmr | PSDMR_RFEN; /* Refresh enable */ |
| 242 | *ramaddr = c; |
| 243 | #endif /* !CFG_RAMBOOT */ |
| 244 | |
| 245 | /* Return total 60x bus SDRAM size */ |
| 246 | return msize * 1024 * 1024; |
| 247 | } |
| 248 | |
| 249 | int checkboard(void) |
| 250 | { |
| 251 | vu_char *bcsr = (vu_char *)CFG_BCSR; |
| 252 | |
| 253 | puts("Board: "); |
| 254 | switch (bcsr[0]) { |
| 255 | case 0x0C: |
| 256 | printf("EP8248E 1.0 CPLD revision %d\n", bcsr[1]); |
| 257 | break; |
| 258 | default: |
| 259 | printf("unknown: ID=%02X\n", bcsr[0]); |
| 260 | } |
| 261 | |
| 262 | return 0; |
| 263 | } |