wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 1 | /* |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 2 | * Copyright 2004 Freescale Semiconductor. |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 3 | * (C) Copyright 2003,Motorola Inc. |
| 4 | * Xianghua Xiao, (X.Xiao@motorola.com) |
| 5 | * |
| 6 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| 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 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 28 | #include <common.h> |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 29 | #include <pci.h> |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 30 | #include <asm/processor.h> |
| 31 | #include <asm/immap_85xx.h> |
| 32 | #include <ioports.h> |
| 33 | #include <spd.h> |
| 34 | #include <miiphy.h> |
| 35 | |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 36 | #if defined(CONFIG_DDR_ECC) |
| 37 | extern void ddr_enable_ecc(unsigned int dram_size); |
| 38 | #endif |
| 39 | |
| 40 | extern long int spd_sdram(void); |
| 41 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 42 | void local_bus_init(void); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 43 | void sdram_init(void); |
| 44 | long int fixed_sdram(void); |
| 45 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 46 | |
| 47 | /* |
| 48 | * I/O Port configuration table |
| 49 | * |
| 50 | * if conf is 1, then that port pin will be configured at boot time |
| 51 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 52 | */ |
| 53 | |
| 54 | const iop_conf_t iop_conf_tab[4][32] = { |
| 55 | |
| 56 | /* Port A configuration */ |
| 57 | { /* conf ppar psor pdir podr pdat */ |
| 58 | /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ |
| 59 | /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ |
| 60 | /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ |
| 61 | /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ |
| 62 | /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ |
| 63 | /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ |
| 64 | /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| 65 | /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| 66 | /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| 67 | /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| 68 | /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| 69 | /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| 70 | /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| 71 | /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| 72 | /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| 73 | /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| 74 | /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| 75 | /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| 76 | /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| 77 | /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| 78 | /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| 79 | /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| 80 | /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ |
| 81 | /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ |
| 82 | /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| 83 | /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ |
| 84 | /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ |
| 85 | /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ |
| 86 | /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ |
| 87 | /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ |
| 88 | /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */ |
| 89 | /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ |
| 90 | }, |
| 91 | |
| 92 | /* Port B configuration */ |
| 93 | { /* conf ppar psor pdir podr pdat */ |
| 94 | /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 95 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 96 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 97 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 98 | /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 99 | /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 100 | /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 101 | /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 102 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 103 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 104 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 105 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 106 | /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 107 | /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 108 | /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ |
| 109 | /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ |
| 110 | /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ |
| 111 | /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ |
| 112 | /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */ |
| 113 | /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ |
| 114 | /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 115 | /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 116 | /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 117 | /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 118 | /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 119 | /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 120 | /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 121 | /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 122 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 123 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 124 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 125 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 126 | }, |
| 127 | |
| 128 | /* Port C */ |
| 129 | { /* conf ppar psor pdir podr pdat */ |
| 130 | /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ |
| 131 | /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ |
| 132 | /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| 133 | /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| 134 | /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ |
| 135 | /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ |
| 136 | /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ |
| 137 | /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ |
| 138 | /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ |
| 139 | /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ |
| 140 | /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| 141 | /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| 142 | /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ |
| 143 | /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ |
| 144 | /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ |
| 145 | /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ |
| 146 | /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */ |
| 147 | /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| 148 | /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| 149 | /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ |
| 150 | /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ |
| 151 | /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ |
| 152 | /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ |
| 153 | /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ |
| 154 | /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ |
| 155 | /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ |
| 156 | /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ |
| 157 | /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ |
| 158 | /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ |
| 159 | /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ |
| 160 | /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ |
| 161 | /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ |
| 162 | }, |
| 163 | |
| 164 | /* Port D */ |
| 165 | { /* conf ppar psor pdir podr pdat */ |
| 166 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ |
| 167 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ |
| 168 | /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ |
| 169 | /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ |
| 170 | /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ |
| 171 | /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ |
| 172 | /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ |
| 173 | /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ |
| 174 | /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ |
| 175 | /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ |
| 176 | /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ |
| 177 | /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ |
| 178 | /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 179 | /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ |
| 180 | /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| 181 | /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
| 182 | /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 183 | /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */ |
| 184 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 185 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 186 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 187 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 188 | /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| 189 | /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| 190 | /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ |
| 191 | /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ |
| 192 | /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ |
| 193 | /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ |
| 194 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 195 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 196 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 197 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 198 | } |
| 199 | }; |
| 200 | |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 201 | |
| 202 | /* |
| 203 | * MPC8560ADS Board Status & Control Registers |
| 204 | */ |
| 205 | typedef struct bcsr_ { |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 206 | volatile unsigned char bcsr0; |
| 207 | volatile unsigned char bcsr1; |
| 208 | volatile unsigned char bcsr2; |
| 209 | volatile unsigned char bcsr3; |
| 210 | volatile unsigned char bcsr4; |
| 211 | volatile unsigned char bcsr5; |
| 212 | } bcsr_t; |
| 213 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 214 | |
wdenk | c837dcb | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 215 | int board_early_init_f (void) |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 216 | { |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 217 | return 0; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | void reset_phy (void) |
| 221 | { |
| 222 | #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */ |
| 223 | volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR; |
| 224 | #endif |
| 225 | /* reset Giga bit Ethernet port if needed here */ |
| 226 | |
| 227 | /* reset the CPM FEC port */ |
| 228 | #if (CONFIG_ETHER_INDEX == 2) |
| 229 | bcsr->bcsr2 &= ~FETH2_RST; |
| 230 | udelay(2); |
| 231 | bcsr->bcsr2 |= FETH2_RST; |
| 232 | udelay(1000); |
| 233 | #elif (CONFIG_ETHER_INDEX == 3) |
| 234 | bcsr->bcsr3 &= ~FETH3_RST; |
| 235 | udelay(2); |
| 236 | bcsr->bcsr3 |= FETH3_RST; |
| 237 | udelay(1000); |
| 238 | #endif |
| 239 | #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC) |
| 240 | miiphy_reset(0x0); /* reset PHY */ |
| 241 | miiphy_write(0, PHY_MIPSCR, 0xf028); /* change PHY address to 0x02 */ |
| 242 | miiphy_write(0x02, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); |
| 243 | #endif /* CONFIG_MII */ |
| 244 | } |
| 245 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 246 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 247 | int checkboard (void) |
| 248 | { |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 249 | puts("Board: ADS\n"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 250 | |
| 251 | #ifdef CONFIG_PCI |
| 252 | printf(" PCI1: 32 bit, %d MHz (compiled)\n", |
| 253 | CONFIG_SYS_CLK_FREQ / 1000000); |
| 254 | #else |
| 255 | printf(" PCI1: disabled\n"); |
| 256 | #endif |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 257 | |
| 258 | /* |
| 259 | * Initialize local bus. |
| 260 | */ |
| 261 | local_bus_init(); |
| 262 | |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 263 | return 0; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 264 | } |
| 265 | |
| 266 | |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 267 | long int |
| 268 | initdram(int board_type) |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 269 | { |
| 270 | long dram_size = 0; |
| 271 | extern long spd_sdram (void); |
| 272 | volatile immap_t *immap = (immap_t *)CFG_IMMR; |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 273 | |
| 274 | puts("Initializing\n"); |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 275 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 276 | #if defined(CONFIG_DDR_DLL) |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 277 | { |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 278 | volatile ccsr_gur_t *gur= &immap->im_gur; |
| 279 | uint temp_ddrdll = 0; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 280 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 281 | /* |
| 282 | * Work around to stabilize DDR DLL |
| 283 | */ |
| 284 | temp_ddrdll = gur->ddrdllcr; |
| 285 | gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000; |
| 286 | asm("sync;isync;msync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 287 | } |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 288 | #endif |
| 289 | |
| 290 | #if defined(CONFIG_SPD_EEPROM) |
| 291 | dram_size = spd_sdram (); |
| 292 | #else |
| 293 | dram_size = fixed_sdram (); |
| 294 | #endif |
| 295 | |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 296 | #if defined(CONFIG_DDR_ECC) |
| 297 | /* |
| 298 | * Initialize and enable DDR ECC. |
| 299 | */ |
| 300 | ddr_enable_ecc(dram_size); |
| 301 | #endif |
| 302 | |
| 303 | /* |
| 304 | * Initialize SDRAM. |
| 305 | */ |
| 306 | sdram_init(); |
| 307 | |
| 308 | puts(" DDR: "); |
| 309 | return dram_size; |
| 310 | } |
| 311 | |
| 312 | |
| 313 | /* |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 314 | * Initialize Local Bus |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 315 | */ |
| 316 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 317 | void |
| 318 | local_bus_init(void) |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 319 | { |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 320 | volatile immap_t *immap = (immap_t *)CFG_IMMR; |
| 321 | volatile ccsr_gur_t *gur = &immap->im_gur; |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 322 | volatile ccsr_lbc_t *lbc = &immap->im_lbc; |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 323 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 324 | uint clkdiv; |
| 325 | uint lbc_hz; |
| 326 | sys_info_t sysinfo; |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 327 | |
| 328 | /* |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 329 | * Errata LBC11. |
| 330 | * Fix Local Bus clock glitch when DLL is enabled. |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 331 | * |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 332 | * If localbus freq is < 66Mhz, DLL bypass mode must be used. |
| 333 | * If localbus freq is > 133Mhz, DLL can be safely enabled. |
| 334 | * Between 66 and 133, the DLL is enabled with an override workaround. |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 335 | */ |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 336 | |
| 337 | get_sys_info(&sysinfo); |
| 338 | clkdiv = lbc->lcrr & 0x0f; |
| 339 | lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| 340 | |
| 341 | if (lbc_hz < 66) { |
| 342 | lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */ |
| 343 | |
| 344 | } else if (lbc_hz >= 133) { |
| 345 | lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */ |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 346 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 347 | } else { |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 348 | /* |
| 349 | * On REV1 boards, need to change CLKDIV before enable DLL. |
| 350 | * Default CLKDIV is 8, change it to 4 temporarily. |
| 351 | */ |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 352 | uint pvr = get_pvr(); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 353 | uint temp_lbcdll = 0; |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 354 | |
| 355 | if (pvr == PVR_85xx_REV1) { |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 356 | /* FIXME: Justify the high bit here. */ |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 357 | lbc->lcrr = 0x10000004; |
wdenk | 97d80fc | 2004-06-09 00:34:46 +0000 | [diff] [blame] | 358 | } |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 359 | |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 360 | lbc->lcrr = CFG_LBC_LCRR & (~0x80000000);/* DLL Enabled */ |
| 361 | udelay(200); |
| 362 | |
| 363 | /* |
| 364 | * Sample LBC DLL ctrl reg, upshift it to set the |
| 365 | * override bits. |
| 366 | */ |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 367 | temp_lbcdll = gur->lbcdllcr; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 368 | gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); |
| 369 | asm("sync;isync;msync"); |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 370 | } |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | |
| 374 | /* |
| 375 | * Initialize SDRAM memory on the Local Bus. |
| 376 | */ |
| 377 | |
| 378 | void |
| 379 | sdram_init(void) |
| 380 | { |
| 381 | volatile immap_t *immap = (immap_t *)CFG_IMMR; |
| 382 | volatile ccsr_lbc_t *lbc= &immap->im_lbc; |
| 383 | uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE; |
| 384 | |
| 385 | puts(" SDRAM: "); |
| 386 | print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 387 | |
| 388 | /* |
| 389 | * Setup SDRAM Base and Option Registers |
| 390 | */ |
| 391 | lbc->or2 = CFG_OR2_PRELIM; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 392 | lbc->br2 = CFG_BR2_PRELIM; |
| 393 | lbc->lbcr = CFG_LBC_LBCR; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 394 | asm("msync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 395 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 396 | lbc->lsrt = CFG_LBC_LSRT; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 397 | lbc->mrtpr = CFG_LBC_MRTPR; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 398 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 399 | |
| 400 | /* |
| 401 | * Configure the SDRAM controller. |
| 402 | */ |
| 403 | lbc->lsdmr = CFG_LBC_LSDMR_1; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 404 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 405 | *sdram_addr = 0xff; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 406 | ppcDcbf((unsigned long) sdram_addr); |
| 407 | udelay(100); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 408 | |
| 409 | lbc->lsdmr = CFG_LBC_LSDMR_2; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 410 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 411 | *sdram_addr = 0xff; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 412 | ppcDcbf((unsigned long) sdram_addr); |
| 413 | udelay(100); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 414 | |
| 415 | lbc->lsdmr = CFG_LBC_LSDMR_3; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 416 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 417 | *sdram_addr = 0xff; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 418 | ppcDcbf((unsigned long) sdram_addr); |
| 419 | udelay(100); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 420 | |
| 421 | lbc->lsdmr = CFG_LBC_LSDMR_4; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 422 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 423 | *sdram_addr = 0xff; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 424 | ppcDcbf((unsigned long) sdram_addr); |
| 425 | udelay(100); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 426 | |
| 427 | lbc->lsdmr = CFG_LBC_LSDMR_5; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 428 | asm("sync"); |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 429 | *sdram_addr = 0xff; |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 430 | ppcDcbf((unsigned long) sdram_addr); |
| 431 | udelay(100); |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | |
| 435 | #if defined(CFG_DRAM_TEST) |
| 436 | int testdram (void) |
| 437 | { |
| 438 | uint *pstart = (uint *) CFG_MEMTEST_START; |
| 439 | uint *pend = (uint *) CFG_MEMTEST_END; |
| 440 | uint *p; |
| 441 | |
| 442 | printf("SDRAM test phase 1:\n"); |
| 443 | for (p = pstart; p < pend; p++) |
| 444 | *p = 0xaaaaaaaa; |
| 445 | |
| 446 | for (p = pstart; p < pend; p++) { |
| 447 | if (*p != 0xaaaaaaaa) { |
| 448 | printf ("SDRAM test fails at: %08x\n", (uint) p); |
| 449 | return 1; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | printf("SDRAM test phase 2:\n"); |
| 454 | for (p = pstart; p < pend; p++) |
| 455 | *p = 0x55555555; |
| 456 | |
| 457 | for (p = pstart; p < pend; p++) { |
| 458 | if (*p != 0x55555555) { |
| 459 | printf ("SDRAM test fails at: %08x\n", (uint) p); |
| 460 | return 1; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | printf("SDRAM test passed.\n"); |
| 465 | return 0; |
| 466 | } |
| 467 | #endif |
| 468 | |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 469 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 470 | #if !defined(CONFIG_SPD_EEPROM) |
| 471 | /************************************************************************* |
| 472 | * fixed sdram init -- doesn't use serial presence detect. |
| 473 | ************************************************************************/ |
| 474 | long int fixed_sdram (void) |
| 475 | { |
| 476 | #ifndef CFG_RAMBOOT |
| 477 | volatile immap_t *immap = (immap_t *)CFG_IMMR; |
| 478 | volatile ccsr_ddr_t *ddr= &immap->im_ddr; |
| 479 | |
| 480 | ddr->cs0_bnds = CFG_DDR_CS0_BNDS; |
| 481 | ddr->cs0_config = CFG_DDR_CS0_CONFIG; |
| 482 | ddr->timing_cfg_1 = CFG_DDR_TIMING_1; |
| 483 | ddr->timing_cfg_2 = CFG_DDR_TIMING_2; |
| 484 | ddr->sdram_mode = CFG_DDR_MODE; |
| 485 | ddr->sdram_interval = CFG_DDR_INTERVAL; |
| 486 | #if defined (CONFIG_DDR_ECC) |
| 487 | ddr->err_disable = 0x0000000D; |
| 488 | ddr->err_sbe = 0x00ff0000; |
| 489 | #endif |
| 490 | asm("sync;isync;msync"); |
| 491 | udelay(500); |
| 492 | #if defined (CONFIG_DDR_ECC) |
| 493 | /* Enable ECC checking */ |
| 494 | ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000); |
| 495 | #else |
| 496 | ddr->sdram_cfg = CFG_DDR_CONTROL; |
| 497 | #endif |
| 498 | asm("sync; isync; msync"); |
| 499 | udelay(500); |
| 500 | #endif |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 501 | return CFG_SDRAM_SIZE * 1024 * 1024; |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 502 | } |
| 503 | #endif /* !defined(CONFIG_SPD_EEPROM) */ |
wdenk | 9aea953 | 2004-08-01 23:02:45 +0000 | [diff] [blame] | 504 | |
| 505 | |
| 506 | #if defined(CONFIG_PCI) |
| 507 | /* |
| 508 | * Initialize PCI Devices, report devices found. |
| 509 | */ |
| 510 | |
| 511 | #ifndef CONFIG_PCI_PNP |
| 512 | static struct pci_config_table pci_mpc85xxads_config_table[] = { |
| 513 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
| 514 | PCI_IDSEL_NUMBER, PCI_ANY_ID, |
| 515 | pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, |
| 516 | PCI_ENET0_MEMADDR, |
| 517 | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
| 518 | } }, |
| 519 | { } |
| 520 | }; |
| 521 | #endif |
| 522 | |
| 523 | |
| 524 | static struct pci_controller hose = { |
| 525 | #ifndef CONFIG_PCI_PNP |
| 526 | config_table: pci_mpc85xxads_config_table, |
| 527 | #endif |
| 528 | }; |
| 529 | |
| 530 | #endif /* CONFIG_PCI */ |
| 531 | |
| 532 | |
| 533 | void |
| 534 | pci_init_board(void) |
| 535 | { |
| 536 | #ifdef CONFIG_PCI |
| 537 | extern void pci_mpc85xx_init(struct pci_controller *hose); |
| 538 | |
| 539 | pci_mpc85xx_init(&hose); |
| 540 | #endif /* CONFIG_PCI */ |
| 541 | } |