wdenk | c28149c | 2005-05-30 23:55:42 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2004 |
| 3 | * Elmeg Communications Systems GmbH, Juergen Selent (j.selent@elmeg.de) |
| 4 | * |
| 5 | * Support for the Elmeg VoVPN Gateway Module |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include <common.h> |
| 24 | #include <ioports.h> |
| 25 | #include <mpc8260.h> |
| 26 | #include <asm/m8260_pci.h> |
| 27 | #include <miiphy.h> |
| 28 | |
| 29 | #include "m88e6060.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 | const iop_conf_t iop_conf_tab[4][32] = { |
| 39 | /* Port A configuration */ |
| 40 | { /* conf ppar psor pdir podr pdat */ |
| 41 | /* PA31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1252 */ |
| 42 | /* PA30 */ { 1, 0, 0, 0, 0, 0 }, /* GPI BP_RES */ |
| 43 | /* PA29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1253 */ |
| 44 | /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 RMII TX_EN */ |
| 45 | /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RMII CRS_DV */ |
| 46 | /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RMII RX_ERR */ |
| 47 | /* PA25 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ |
| 48 | /* PA24 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ |
| 49 | /* PA23 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ |
| 50 | /* PA22 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ |
| 51 | /* PA21 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ |
| 52 | /* PA20 */ { 1, 0, 0, 1, 0, 1 }, /* GPO LED STATUS */ |
| 53 | /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 RMII TxD[1] */ |
| 54 | /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 RMII TxD[0] */ |
| 55 | /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RMII RxD[0] */ |
| 56 | /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RMII RxD[1] */ |
| 57 | /* PA15 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1255 */ |
| 58 | /* PA14 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP???? */ |
| 59 | /* PA13 */ { 1, 0, 0, 1, 0, 1 }, /* GPO EN_BCTL1 XXX jse */ |
| 60 | /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* GPO SWITCH RESET */ |
| 61 | /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* GPO DSP SL1 RESET */ |
| 62 | /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* GPO DSP SL2 RESET */ |
| 63 | /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ |
| 64 | /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ |
| 65 | /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 66 | /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 67 | /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 68 | /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 69 | /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 70 | /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 71 | /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ |
| 72 | /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exit */ |
| 73 | }, |
| 74 | |
| 75 | /* Port B configuration */ |
| 76 | { /* conf ppar psor pdir podr pdat */ |
| 77 | /* PB31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1257 */ |
| 78 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII CRS_DV */ |
| 79 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 RMII TX_EN */ |
| 80 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RX_ERR */ |
| 81 | /* PB27 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_B2 L1TXD XXX val=0 */ |
| 82 | /* PB26 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_B2 L1RXD XXX val,dr */ |
| 83 | /* PB25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1259 */ |
| 84 | /* PB24 */ { 1, 1, 1, 0, 0, 0 }, /* TDM_B2 L1RSYNC */ |
| 85 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 RMII TxD[1] */ |
| 86 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 RMII TxD[0] */ |
| 87 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RxD[0] */ |
| 88 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RxD[1] */ |
| 89 | /* PB19 */ { 1, 0, 0, 1, 0, 1 }, /* GPO PHY MDC */ |
| 90 | /* PB18 */ { 1, 0, 0, 0, 0, 0 }, /* GPIO PHY MDIO */ |
| 91 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 92 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 93 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 94 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 95 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 96 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 97 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 98 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 99 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 100 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 101 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 102 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 103 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 104 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 105 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 106 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 107 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 108 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exist */ |
| 109 | }, |
| 110 | |
| 111 | /* Port C */ |
| 112 | { /* conf ppar psor pdir podr pdat */ |
| 113 | /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 114 | /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 115 | /* PC29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1183 */ |
| 116 | /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1184 */ |
| 117 | /* PC27 */ { 1, 1, 0, 0, 0, 0 }, /* CLK5 TDM_A1 RX */ |
| 118 | /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1185 */ |
| 119 | /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1178 */ |
| 120 | /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1186 */ |
| 121 | /* PC23 */ { 1, 1, 0, 0, 0, 0 }, /* CLK9 TDM_B2 RX */ |
| 122 | /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* CLK10 FCC1 RMII REFCLK */ |
| 123 | /* PC21 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1187 */ |
| 124 | /* PC20 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1182 */ |
| 125 | /* PC19 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1188 */ |
| 126 | /* PC18 */ { 1, 0, 0, 1, 0, 0 }, /* GPO HW RESET */ |
| 127 | /* PC17 */ { 1, 1, 0, 1, 0, 0 }, /* BRG8 SWITCH CLKIN */ |
| 128 | /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* CLK16 FCC2 RMII REFCLK */ |
| 129 | /* PC15 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_3 */ |
| 130 | /* PC14 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_2 */ |
| 131 | /* PC13 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_1 */ |
| 132 | /* PC12 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_0 */ |
| 133 | /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1176 */ |
| 134 | /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1177 */ |
| 135 | /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_3 */ |
| 136 | /* PC8 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_2 */ |
| 137 | /* PC7 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_1 */ |
| 138 | /* PC6 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_0 */ |
| 139 | /* PC5 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| 140 | /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| 141 | /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 142 | /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 143 | /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1192 */ |
| 144 | /* PC0 */ { 1, 0, 0, 0, 0, 0 }, /* GPI RACK */ |
| 145 | }, |
| 146 | |
| 147 | /* Port D */ |
| 148 | { /* conf ppar psor pdir podr pdat */ |
| 149 | /* PD31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1193 */ |
| 150 | /* PD30 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1194 */ |
| 151 | /* PD29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1195 */ |
| 152 | /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 153 | /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 154 | /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 155 | /* PD25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1179 */ |
| 156 | /* PD24 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1180 */ |
| 157 | /* PD23 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1181 */ |
| 158 | /* PD22 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_A2 L1TXD */ |
| 159 | /* PD21 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_A2 L1RXD */ |
| 160 | /* PD20 */ { 1, 1, 1, 0, 0, 0 }, /* TDM_A2 L1RSYNC */ |
| 161 | /* PD19 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1196 */ |
| 162 | /* PD18 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1197 */ |
| 163 | /* PD17 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1198 */ |
| 164 | /* PD16 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1199 */ |
| 165 | /* PD15 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1250 */ |
| 166 | /* PD14 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1251 */ |
| 167 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 168 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 169 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 170 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 171 | /* PD9 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 172 | /* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 173 | /* PD7 */ { 0, 0, 0, 1, 0, 0 }, /* GPO FL_BYTE */ |
| 174 | /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 175 | /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 176 | /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 177 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 178 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 179 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ |
| 180 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exist */ |
| 181 | } |
| 182 | }; |
| 183 | |
| 184 | void reset_phy (void) |
| 185 | { |
| 186 | volatile ioport_t *iop; |
Jon Loeliger | f58873c | 2007-06-11 19:03:19 -0500 | [diff] [blame] | 187 | #if (CONFIG_COMMANDS & CFG_CMD_NET) || defined(CONFIG_CMD_NET) |
wdenk | c28149c | 2005-05-30 23:55:42 +0000 | [diff] [blame] | 188 | int i; |
| 189 | unsigned short val; |
| 190 | #endif |
| 191 | |
| 192 | iop = ioport_addr((immap_t *)CFG_IMMR, 0); |
| 193 | |
| 194 | /* Reset the PHY */ |
| 195 | iop->pdat &= 0xfff7ffff; /* PA12 = |SWITCH_RESET */ |
Jon Loeliger | f58873c | 2007-06-11 19:03:19 -0500 | [diff] [blame] | 196 | #if (CONFIG_COMMANDS & CFG_CMD_NET) || defined(CONFIG_CMD_NET) |
wdenk | c28149c | 2005-05-30 23:55:42 +0000 | [diff] [blame] | 197 | udelay(20000); |
| 198 | iop->pdat |= 0x00080000; |
| 199 | for (i=0; i<100; i++) { |
| 200 | udelay(20000); |
Marian Balakowicz | aab8c49 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 201 | if (bb_miiphy_read("FCC1 ETHERNET", CFG_PHY_ADDR,2,&val ) == 0) { |
wdenk | c28149c | 2005-05-30 23:55:42 +0000 | [diff] [blame] | 202 | break; |
| 203 | } |
| 204 | } |
| 205 | /* initialize switch */ |
| 206 | m88e6060_initialize( CFG_PHY_ADDR ); |
| 207 | #endif |
| 208 | } |
| 209 | |
| 210 | static unsigned long UPMATable[] = { |
Wolfgang Denk | d06ce5d | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 211 | 0x8fffec00, 0x0ffcfc00, 0x0ffcfc00, 0x0ffcfc00, /* Words 0 to 3 */ |
| 212 | 0x0ffcfc04, 0x3ffdfc00, 0xfffffc01, 0xfffffc01, /* Words 4 to 7 */ |
| 213 | 0xfffffc00, 0xfffffc04, 0xfffffc01, 0xfffffc00, /* Words 8 to 11 */ |
| 214 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 12 to 15 */ |
| 215 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 16 to 19 */ |
| 216 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 20 to 23 */ |
| 217 | 0x8fffec00, 0x00fffc00, 0x00fffc00, 0x00fffc00, /* Words 24 to 27 */ |
| 218 | 0x0ffffc04, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */ |
| 219 | 0xfffffc00, 0xfffffc01, 0xfffffc01, 0xfffffc00, /* Words 32 to 35 */ |
| 220 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 36 to 39 */ |
| 221 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 40 to 43 */ |
| 222 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 44 to 47 */ |
| 223 | 0xfffffc00, 0xfffffc04, 0xfffffc01, 0xfffffc00, /* Words 48 to 51 */ |
| 224 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 52 to 55 */ |
| 225 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 56 to 59 */ |
| 226 | 0xffffec00, 0xffffec04, 0xffffec00, 0xfffffc01 /* Words 60 to 63 */ |
wdenk | c28149c | 2005-05-30 23:55:42 +0000 | [diff] [blame] | 227 | }; |
| 228 | |
| 229 | int board_early_init_f (void) |
| 230 | { |
| 231 | volatile immap_t *immap; |
| 232 | volatile memctl8260_t *memctl; |
| 233 | volatile unsigned char *dummy; |
| 234 | int i; |
| 235 | |
| 236 | immap = (immap_t *) CFG_IMMR; |
| 237 | memctl = &immap->im_memctl; |
| 238 | |
| 239 | #if 0 |
| 240 | /* CS2-5 - DSP via UPMA */ |
| 241 | dummy = (volatile unsigned char *) (memctl->memc_br2 & BRx_BA_MSK); |
| 242 | memctl->memc_mar = 0; |
| 243 | memctl->memc_mamr = MxMR_OP_WARR; |
| 244 | for (i = 0; i < 64; i++) { |
| 245 | memctl->memc_mdr = UPMATable[i]; |
| 246 | *dummy = 0; |
| 247 | } |
| 248 | memctl->memc_mamr = 0x00044440; |
| 249 | #else |
| 250 | /* CS7 - DPRAM via UPMA */ |
| 251 | dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK); |
| 252 | memctl->memc_mar = 0; |
| 253 | memctl->memc_mamr = MxMR_OP_WARR; |
| 254 | for (i = 0; i < 64; i++) { |
| 255 | memctl->memc_mdr = UPMATable[i]; |
| 256 | *dummy = 0; |
| 257 | } |
| 258 | memctl->memc_mamr = 0x00044440; |
| 259 | #endif |
| 260 | return 0; |
| 261 | } |
| 262 | |
| 263 | int misc_init_r (void) |
| 264 | { |
| 265 | volatile ioport_t *iop; |
| 266 | unsigned char temp; |
| 267 | #if 0 |
| 268 | /* DUMP UPMA RAM */ |
| 269 | volatile immap_t *immap; |
| 270 | volatile memctl8260_t *memctl; |
| 271 | volatile unsigned char *dummy; |
| 272 | unsigned char c; |
| 273 | int i; |
| 274 | |
| 275 | immap = (immap_t *) CFG_IMMR; |
| 276 | memctl = &immap->im_memctl; |
| 277 | |
| 278 | |
| 279 | dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK); |
| 280 | memctl->memc_mar = 0; |
| 281 | memctl->memc_mamr = MxMR_OP_RARR; |
| 282 | for (i = 0; i < 64; i++) { |
| 283 | c = *dummy; |
| 284 | printf( "UPMA[%02d]: 0x%08lx,0x%08lx: 0x%08lx\n",i, |
| 285 | memctl->memc_mamr, |
| 286 | memctl->memc_mar, |
| 287 | memctl->memc_mdr ); |
| 288 | } |
| 289 | memctl->memc_mamr = 0x00044440; |
| 290 | #endif |
| 291 | /* enable buffers (DSP, DPRAM) */ |
| 292 | iop = ioport_addr((immap_t *)CFG_IMMR, 0); |
| 293 | iop->pdat &= 0xfffbffff; /* PA13 = |EN_M_BCTL1 */ |
| 294 | |
| 295 | /* destroy DPRAM magic */ |
| 296 | *(volatile unsigned char *)0xf0500000 = 0x00; |
| 297 | |
| 298 | /* clear any pending DPRAM irq */ |
| 299 | temp = *(volatile unsigned char *)0xf05003ff; |
| 300 | |
| 301 | /* write module-id into DPRAM */ |
| 302 | *(volatile unsigned char *)0xf0500201 = 0x50; |
| 303 | |
| 304 | return 0; |
| 305 | } |
| 306 | |
| 307 | #if defined(CONFIG_HAVE_OWN_RESET) |
| 308 | int |
| 309 | do_reset (void *cmdtp, int flag, int argc, char *argv[]) |
| 310 | { |
| 311 | volatile ioport_t *iop; |
| 312 | |
| 313 | iop = ioport_addr((immap_t *)CFG_IMMR, 2); |
| 314 | iop->pdat |= 0x00002000; /* PC18 = HW_RESET */ |
| 315 | return 1; |
| 316 | } |
| 317 | #endif /* CONFIG_HAVE_OWN_RESET */ |
| 318 | |
| 319 | #define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1) |
| 320 | |
| 321 | long int initdram (int board_type) |
| 322 | { |
| 323 | #ifndef CFG_RAMBOOT |
| 324 | volatile immap_t *immap; |
| 325 | volatile memctl8260_t *memctl; |
| 326 | volatile uchar *ramaddr; |
| 327 | int i; |
| 328 | uchar c; |
| 329 | |
| 330 | immap = (immap_t *) CFG_IMMR; |
| 331 | memctl = &immap->im_memctl; |
| 332 | ramaddr = (uchar *) CFG_SDRAM_BASE; |
| 333 | c = 0xff; |
| 334 | |
| 335 | immap->im_siu_conf.sc_ppc_acr = 0x02; |
| 336 | immap->im_siu_conf.sc_ppc_alrh = 0x01267893; |
| 337 | immap->im_siu_conf.sc_ppc_alrl = 0x89abcdef; |
| 338 | immap->im_siu_conf.sc_tescr1 = 0x00000000; |
| 339 | immap->im_siu_conf.sc_tescr2 = 0x00000000; |
| 340 | |
| 341 | memctl->memc_mptpr = CFG_MPTPR; |
| 342 | memctl->memc_psrt = CFG_PSRT; |
| 343 | memctl->memc_or1 = CFG_OR1_PRELIM; |
| 344 | memctl->memc_br1 = CFG_SDRAM_BASE | CFG_BR1_PRELIM; |
| 345 | |
| 346 | /* Precharge all banks */ |
| 347 | memctl->memc_psdmr = CFG_PSDMR | 0x28000000; |
| 348 | *ramaddr = c; |
| 349 | |
| 350 | /* CBR refresh */ |
| 351 | memctl->memc_psdmr = CFG_PSDMR | 0x08000000; |
| 352 | for (i = 0; i < 8; i++) |
| 353 | *ramaddr = c; |
| 354 | |
| 355 | /* Mode Register write */ |
| 356 | memctl->memc_psdmr = CFG_PSDMR | 0x18000000; |
| 357 | *ramaddr = c; |
| 358 | |
| 359 | /* Refresh enable */ |
| 360 | memctl->memc_psdmr = CFG_PSDMR | 0x40000000; |
| 361 | *ramaddr = c; |
| 362 | #endif /* CFG_RAMBOOT */ |
| 363 | |
| 364 | return (CFG_SDRAM_SIZE); |
| 365 | } |
| 366 | |
| 367 | int checkboard (void) |
| 368 | { |
| 369 | #ifdef CONFIG_CLKIN_66MHz |
| 370 | puts ("Board: Elmeg VoVPN Gateway Module (66MHz)\n"); |
| 371 | #else |
| 372 | puts ("Board: Elmeg VoVPN Gateway Module (100MHz)\n"); |
| 373 | #endif |
| 374 | return 0; |
| 375 | } |