wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame^] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <ioports.h> |
| 10 | #include <mpc8260.h> |
| 11 | |
| 12 | /* |
| 13 | * I/O Port configuration table |
| 14 | * |
| 15 | * if conf is 1, then that port pin will be configured at boot time |
| 16 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 17 | */ |
| 18 | |
| 19 | const iop_conf_t iop_conf_tab[4][32] = { |
| 20 | |
| 21 | /* Port A configuration */ |
| 22 | { /* conf ppar psor pdir podr pdat */ |
| 23 | /* PA31 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */ |
| 24 | /* PA30 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */ |
| 25 | /* PA29 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */ |
| 26 | /* PA28 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */ |
| 27 | /* PA27 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */ |
| 28 | /* PA26 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */ |
| 29 | /* PA25 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| 30 | /* PA24 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| 31 | /* PA23 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| 32 | /* PA22 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| 33 | /* PA21 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| 34 | /* PA20 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| 35 | /* PA19 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| 36 | /* PA18 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| 37 | /* PA17 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| 38 | /* PA16 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| 39 | /* PA15 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| 40 | /* PA14 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| 41 | /* PA13 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| 42 | /* PA12 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| 43 | /* PA11 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| 44 | /* PA10 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| 45 | /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ |
| 46 | /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ |
| 47 | /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| 48 | /* PA6 */ { 0, 0, 0, 1, 0, 0 }, /* PA6 */ |
| 49 | /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ |
| 50 | /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ |
| 51 | /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ |
| 52 | /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ |
| 53 | /* PA1 */ { 0, 0, 0, 1, 0, 0 }, /* PA1 */ |
| 54 | /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ |
| 55 | }, |
| 56 | |
| 57 | /* Port B configuration */ |
| 58 | { /* conf ppar psor pdir podr pdat */ |
| 59 | /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 60 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 61 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 62 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 63 | /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 64 | /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 65 | /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 66 | /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 67 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 68 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 69 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 70 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 71 | /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 72 | /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 73 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* PB17 */ |
| 74 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */ |
| 75 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */ |
| 76 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */ |
| 77 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */ |
| 78 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */ |
| 79 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */ |
| 80 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */ |
| 81 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */ |
| 82 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */ |
| 83 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ |
| 84 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */ |
| 85 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */ |
| 86 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */ |
| 87 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 88 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 89 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 90 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 91 | }, |
| 92 | |
| 93 | /* Port C */ |
| 94 | { /* conf ppar psor pdir podr pdat */ |
| 95 | /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ |
| 96 | /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ |
| 97 | /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| 98 | /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| 99 | /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* PC27 */ |
| 100 | /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ |
| 101 | /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ |
| 102 | /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ |
| 103 | /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ |
| 104 | /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ |
| 105 | /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| 106 | /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| 107 | /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */ |
| 108 | /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */ |
| 109 | /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ |
| 110 | /* PC16 */ { 0, 0, 0, 1, 0, 0 }, /* PC16 */ |
| 111 | /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ |
| 112 | /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| 113 | /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| 114 | /* PC12 */ { 0, 0, 0, 1, 0, 0 }, /* PC12 */ |
| 115 | /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* PC11 */ |
| 116 | /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* FCC2 MDC */ |
| 117 | /* PC9 */ { 0, 0, 0, 1, 0, 0 }, /* FCC2 MDIO */ |
| 118 | /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ |
| 119 | /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ |
| 120 | /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ |
| 121 | /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ |
| 122 | /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ |
| 123 | /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ |
| 124 | /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ |
| 125 | /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ |
| 126 | /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ |
| 127 | }, |
| 128 | |
| 129 | /* Port D */ |
| 130 | { /* conf ppar psor pdir podr pdat */ |
| 131 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ |
| 132 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ |
| 133 | /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ |
| 134 | /* PD28 */ { 0, 0, 0, 1, 0, 0 }, /* PD28 */ |
| 135 | /* PD27 */ { 0, 0, 0, 1, 0, 0 }, /* PD27 */ |
| 136 | /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ |
| 137 | /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ |
| 138 | /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ |
| 139 | /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ |
| 140 | /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ |
| 141 | /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ |
| 142 | /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ |
| 143 | /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 144 | /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 145 | /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| 146 | /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
| 147 | #if defined(CONFIG_SOFT_I2C) |
| 148 | /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */ |
| 149 | /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */ |
| 150 | #else |
| 151 | #if defined(CONFIG_HARD_I2C) |
| 152 | /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 153 | /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| 154 | #else /* normal I/O port pins */ |
| 155 | /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 156 | /* PD14 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| 157 | #endif |
| 158 | #endif |
| 159 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 160 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 161 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 162 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 163 | /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| 164 | /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| 165 | /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ |
| 166 | /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ |
| 167 | /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ |
| 168 | /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ |
| 169 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 170 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 171 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 172 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 173 | } |
| 174 | }; |
| 175 | |
| 176 | /* ------------------------------------------------------------------------- */ |
| 177 | |
| 178 | /* Check Board Identity: |
| 179 | */ |
| 180 | int checkboard (void) |
| 181 | { |
Wolfgang Denk | f0c0b3a | 2011-05-04 10:32:28 +0000 | [diff] [blame] | 182 | char buf[64]; |
| 183 | int i = getenv_f("serial#", buf, sizeof(buf)); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 184 | |
| 185 | puts ("Board: "); |
| 186 | |
Wolfgang Denk | f0c0b3a | 2011-05-04 10:32:28 +0000 | [diff] [blame] | 187 | if (i < 0 || strncmp(buf, "TQM82", 5)) { |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 188 | puts ("### No HW ID - assuming TQM8260\n"); |
wdenk | 7c7a23b | 2002-12-07 00:20:59 +0000 | [diff] [blame] | 189 | return (0); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Wolfgang Denk | f0c0b3a | 2011-05-04 10:32:28 +0000 | [diff] [blame] | 192 | puts (buf); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 193 | putc ('\n'); |
| 194 | |
| 195 | return 0; |
| 196 | } |
| 197 | |
| 198 | /* ------------------------------------------------------------------------- */ |
| 199 | |
| 200 | /* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx |
| 201 | * |
| 202 | * This routine performs standard 8260 initialization sequence |
| 203 | * and calculates the available memory size. It may be called |
| 204 | * several times to try different SDRAM configurations on both |
| 205 | * 60x and local buses. |
| 206 | */ |
| 207 | static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, |
| 208 | ulong orx, volatile uchar * base) |
| 209 | { |
| 210 | volatile uchar c = 0xff; |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 211 | volatile uint *sdmr_ptr; |
| 212 | volatile uint *orx_ptr; |
wdenk | 5fa66df | 2003-10-29 23:18:55 +0000 | [diff] [blame] | 213 | ulong maxsize, size; |
wdenk | c83bf6a | 2004-01-06 22:38:14 +0000 | [diff] [blame] | 214 | int i; |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 215 | |
| 216 | /* We must be able to test a location outsize the maximum legal size |
| 217 | * to find out THAT we are outside; but this address still has to be |
| 218 | * mapped by the controller. That means, that the initial mapping has |
| 219 | * to be (at least) twice as large as the maximum expected size. |
| 220 | */ |
| 221 | maxsize = (1 + (~orx | 0x7fff)) / 2; |
| 222 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 223 | /* Since CONFIG_SYS_SDRAM_BASE is always 0 (??), we assume that |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 224 | * we are configuring CS1 if base != 0 |
| 225 | */ |
| 226 | sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr; |
| 227 | orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1; |
| 228 | |
| 229 | *orx_ptr = orx; |
| 230 | |
| 231 | /* |
| 232 | * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): |
| 233 | * |
| 234 | * "At system reset, initialization software must set up the |
| 235 | * programmable parameters in the memory controller banks registers |
| 236 | * (ORx, BRx, P/LSDMR). After all memory parameters are configured, |
| 237 | * system software should execute the following initialization sequence |
| 238 | * for each SDRAM device. |
| 239 | * |
| 240 | * 1. Issue a PRECHARGE-ALL-BANKS command |
| 241 | * 2. Issue eight CBR REFRESH commands |
| 242 | * 3. Issue a MODE-SET command to initialize the mode register |
| 243 | * |
| 244 | * The initial commands are executed by setting P/LSDMR[OP] and |
| 245 | * accessing the SDRAM with a single-byte transaction." |
| 246 | * |
| 247 | * The appropriate BRx/ORx registers have already been set when we |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 248 | * get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE. |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 249 | */ |
| 250 | |
| 251 | *sdmr_ptr = sdmr | PSDMR_OP_PREA; |
| 252 | *base = c; |
| 253 | |
| 254 | *sdmr_ptr = sdmr | PSDMR_OP_CBRR; |
| 255 | for (i = 0; i < 8; i++) |
| 256 | *base = c; |
| 257 | |
| 258 | *sdmr_ptr = sdmr | PSDMR_OP_MRW; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 259 | *(base + CONFIG_SYS_MRS_OFFS) = c; /* setting MR on address lines */ |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 260 | |
| 261 | *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| 262 | *base = c; |
| 263 | |
wdenk | c83bf6a | 2004-01-06 22:38:14 +0000 | [diff] [blame] | 264 | size = get_ram_size((long *)base, maxsize); |
| 265 | *orx_ptr = orx | ~(size - 1); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 266 | |
wdenk | c83bf6a | 2004-01-06 22:38:14 +0000 | [diff] [blame] | 267 | return (size); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 268 | } |
| 269 | |
Becky Bruce | 9973e3c | 2008-06-09 16:03:40 -0500 | [diff] [blame] | 270 | phys_size_t initdram (int board_type) |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 271 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 272 | volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 273 | volatile memctl8260_t *memctl = &immap->im_memctl; |
| 274 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 275 | #ifndef CONFIG_SYS_RAMBOOT |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 276 | long size8, size9; |
| 277 | #endif |
| 278 | long psize, lsize; |
| 279 | |
| 280 | psize = 16 * 1024 * 1024; |
| 281 | lsize = 0; |
| 282 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 283 | memctl->memc_psrt = CONFIG_SYS_PSRT; |
| 284 | memctl->memc_mptpr = CONFIG_SYS_MPTPR; |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 285 | |
| 286 | #if 0 /* Just for debugging */ |
| 287 | #define prt_br_or(brX,orX) do { \ |
| 288 | ulong start = memctl->memc_ ## brX & 0xFFFF8000; \ |
| 289 | ulong sizem = ~memctl->memc_ ## orX | 0x00007FFF; \ |
| 290 | printf ("\n" \ |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 291 | #brX " 0x%08x " #orX " 0x%08x " \ |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 292 | "==> 0x%08lx ... 0x%08lx = %ld MB\n", \ |
| 293 | memctl->memc_ ## brX, memctl->memc_ ## orX, \ |
| 294 | start, start+sizem, (sizem+1)>>20); \ |
| 295 | } while (0) |
| 296 | prt_br_or (br0, or0); |
| 297 | prt_br_or (br1, or1); |
| 298 | prt_br_or (br2, or2); |
| 299 | prt_br_or (br3, or3); |
| 300 | #endif |
| 301 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 302 | #ifndef CONFIG_SYS_RAMBOOT |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 303 | /* 60x SDRAM setup: |
| 304 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 305 | size8 = try_init (memctl, CONFIG_SYS_PSDMR_8COL, CONFIG_SYS_OR1_8COL, |
| 306 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
| 307 | size9 = try_init (memctl, CONFIG_SYS_PSDMR_9COL, CONFIG_SYS_OR1_9COL, |
| 308 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 309 | |
| 310 | if (size8 < size9) { |
| 311 | psize = size9; |
| 312 | printf ("(60x:9COL - %ld MB, ", psize >> 20); |
| 313 | } else { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 314 | psize = try_init (memctl, CONFIG_SYS_PSDMR_8COL, CONFIG_SYS_OR1_8COL, |
| 315 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 316 | printf ("(60x:8COL - %ld MB, ", psize >> 20); |
| 317 | } |
| 318 | |
| 319 | /* Local SDRAM setup: |
| 320 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 321 | #ifdef CONFIG_SYS_INIT_LOCAL_SDRAM |
| 322 | memctl->memc_lsrt = CONFIG_SYS_LSRT; |
| 323 | size8 = try_init (memctl, CONFIG_SYS_LSDMR_8COL, CONFIG_SYS_OR2_8COL, |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 324 | (uchar *) SDRAM_BASE2_PRELIM); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 325 | size9 = try_init (memctl, CONFIG_SYS_LSDMR_9COL, CONFIG_SYS_OR2_9COL, |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 326 | (uchar *) SDRAM_BASE2_PRELIM); |
| 327 | |
| 328 | if (size8 < size9) { |
| 329 | lsize = size9; |
| 330 | printf ("Local:9COL - %ld MB) using ", lsize >> 20); |
| 331 | } else { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 332 | lsize = try_init (memctl, CONFIG_SYS_LSDMR_8COL, CONFIG_SYS_OR2_8COL, |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 333 | (uchar *) SDRAM_BASE2_PRELIM); |
| 334 | printf ("Local:8COL - %ld MB) using ", lsize >> 20); |
| 335 | } |
| 336 | |
| 337 | #if 0 |
| 338 | /* Set up BR2 so that the local SDRAM goes |
| 339 | * right after the 60x SDRAM |
| 340 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 341 | memctl->memc_br2 = (CONFIG_SYS_BR2_PRELIM & ~BRx_BA_MSK) | |
| 342 | (CONFIG_SYS_SDRAM_BASE + psize); |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 343 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 344 | #endif /* CONFIG_SYS_INIT_LOCAL_SDRAM */ |
| 345 | #endif /* CONFIG_SYS_RAMBOOT */ |
wdenk | f8cac65 | 2002-08-26 22:36:39 +0000 | [diff] [blame] | 346 | |
| 347 | icache_enable (); |
| 348 | |
| 349 | return (psize); |
| 350 | } |
| 351 | |
| 352 | /* ------------------------------------------------------------------------- */ |