wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2003,Motorola Inc. |
| 3 | * Xianghua Xiao, (X.Xiao@motorola.com) |
| 4 | * |
| 5 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| 6 | * |
| 7 | * (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>. |
| 8 | * Added support for Wind River SBC8560 board |
| 9 | * |
| 10 | * See file CREDITS for list of people who contributed to this |
| 11 | * project. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License as |
| 15 | * published by the Free Software Foundation; either version 2 of |
| 16 | * the License, or (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 26 | * MA 02111-1307 USA |
| 27 | */ |
| 28 | |
| 29 | |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 30 | #include <common.h> |
| 31 | #include <asm/processor.h> |
Kumar Gala | 8e55313 | 2008-08-26 23:52:58 -0500 | [diff] [blame] | 32 | #include <asm/mmu.h> |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 33 | #include <asm/immap_85xx.h> |
Kumar Gala | 8e55313 | 2008-08-26 23:52:58 -0500 | [diff] [blame] | 34 | #include <asm/fsl_ddr_sdram.h> |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 35 | #include <ioports.h> |
Jon Loeliger | a30a549 | 2008-03-04 10:03:03 -0600 | [diff] [blame] | 36 | #include <spd_sdram.h> |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 37 | #include <miiphy.h> |
Paul Gortmaker | d04e76e | 2008-07-11 15:33:06 -0400 | [diff] [blame] | 38 | #include <libfdt.h> |
| 39 | #include <fdt_support.h> |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 40 | |
| 41 | long int fixed_sdram (void); |
| 42 | |
| 43 | /* |
| 44 | * I/O Port configuration table |
| 45 | * |
| 46 | * if conf is 1, then that port pin will be configured at boot time |
| 47 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 48 | */ |
| 49 | |
| 50 | const iop_conf_t iop_conf_tab[4][32] = { |
| 51 | |
| 52 | /* Port A configuration */ |
| 53 | { /* conf ppar psor pdir podr pdat */ |
| 54 | /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ |
| 55 | /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ |
| 56 | /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ |
| 57 | /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ |
| 58 | /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ |
| 59 | /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ |
| 60 | /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| 61 | /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| 62 | /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| 63 | /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| 64 | /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| 65 | /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| 66 | /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| 67 | /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| 68 | /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| 69 | /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| 70 | /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| 71 | /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| 72 | /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| 73 | /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| 74 | /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| 75 | /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| 76 | /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ |
| 77 | /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ |
| 78 | /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| 79 | /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ |
| 80 | /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ |
| 81 | /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ |
| 82 | /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ |
| 83 | /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ |
| 84 | /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */ |
| 85 | /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ |
| 86 | }, |
| 87 | |
| 88 | /* Port B configuration */ |
| 89 | { /* conf ppar psor pdir podr pdat */ |
| 90 | /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 91 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 92 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 93 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 94 | /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 95 | /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 96 | /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 97 | /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 98 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 99 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 100 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 101 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 102 | /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 103 | /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 104 | /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ |
| 105 | /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ |
| 106 | /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ |
| 107 | /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ |
| 108 | /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */ |
| 109 | /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ |
| 110 | /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 111 | /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 112 | /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 113 | /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| 114 | /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 115 | /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 116 | /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 117 | /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| 118 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 119 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 120 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 121 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 122 | }, |
| 123 | |
| 124 | /* Port C */ |
| 125 | { /* conf ppar psor pdir podr pdat */ |
| 126 | /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ |
| 127 | /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ |
| 128 | /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| 129 | /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| 130 | /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ |
| 131 | /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ |
| 132 | /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ |
| 133 | /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ |
| 134 | /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ |
| 135 | /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ |
| 136 | /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| 137 | /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| 138 | /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ |
| 139 | /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ |
| 140 | /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ |
| 141 | /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ |
| 142 | /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */ |
| 143 | /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| 144 | /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| 145 | /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ |
| 146 | /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ |
| 147 | /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ |
| 148 | /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ |
| 149 | /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ |
| 150 | /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ |
| 151 | /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ |
| 152 | /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ |
| 153 | /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ |
| 154 | /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ |
| 155 | /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ |
| 156 | /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ |
| 157 | /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ |
| 158 | }, |
| 159 | |
| 160 | /* Port D */ |
| 161 | { /* conf ppar psor pdir podr pdat */ |
| 162 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ |
| 163 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ |
| 164 | /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS */ |
| 165 | /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */ |
| 166 | /* PD27 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */ |
| 167 | /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS */ |
| 168 | /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ |
| 169 | /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ |
| 170 | /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ |
| 171 | /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ |
| 172 | /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ |
| 173 | /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ |
| 174 | /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 175 | /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ |
| 176 | /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| 177 | /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
| 178 | /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 179 | /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */ |
| 180 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 181 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 182 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 183 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 184 | /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| 185 | /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| 186 | /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ |
| 187 | /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ |
| 188 | /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ |
| 189 | /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ |
| 190 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 191 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 192 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 193 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| 194 | } |
| 195 | }; |
| 196 | |
| 197 | int board_early_init_f (void) |
| 198 | { |
| 199 | #if defined(CONFIG_PCI) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 200 | volatile ccsr_pcix_t *pci = (void *)(CONFIG_SYS_MPC85xx_PCIX_ADDR); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 201 | |
| 202 | pci->peer &= 0xfffffffdf; /* disable master abort */ |
| 203 | #endif |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | void reset_phy (void) |
| 208 | { |
| 209 | #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 210 | volatile unsigned char *bcsr = (unsigned char *) CONFIG_SYS_BCSR; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 211 | #endif |
| 212 | /* reset Giga bit Ethernet port if needed here */ |
| 213 | |
| 214 | /* reset the CPM FEC port */ |
| 215 | #if (CONFIG_ETHER_INDEX == 2) |
| 216 | bcsr[0] &= ~0x20; |
| 217 | udelay(2); |
| 218 | bcsr[0] |= 0x20; |
| 219 | udelay(1000); |
| 220 | #elif (CONFIG_ETHER_INDEX == 3) |
| 221 | bcsr[0] &= ~0x10; |
| 222 | udelay(2); |
| 223 | bcsr[0] |= 0x10; |
| 224 | udelay(1000); |
| 225 | #endif |
| 226 | #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC) |
Marian Balakowicz | 63ff004 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 227 | /* reset PHY */ |
| 228 | miiphy_reset("FCC1 ETHERNET", 0x0); |
| 229 | |
| 230 | /* change PHY address to 0x02 */ |
| 231 | bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028); |
| 232 | |
| 233 | bb_miiphy_write(NULL, 0x02, PHY_BMCR, |
| 234 | PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 235 | #endif /* CONFIG_MII */ |
| 236 | } |
| 237 | |
| 238 | int checkboard (void) |
| 239 | { |
| 240 | sys_info_t sysinfo; |
Wolfgang Denk | 08ef89e | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 241 | char buf[32]; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 242 | |
| 243 | get_sys_info (&sysinfo); |
| 244 | |
wdenk | c15f312 | 2004-10-10 22:44:24 +0000 | [diff] [blame] | 245 | #ifdef CONFIG_SBC8560 |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 246 | printf ("Board: Wind River SBC8560 Board\n"); |
wdenk | c15f312 | 2004-10-10 22:44:24 +0000 | [diff] [blame] | 247 | #else |
| 248 | printf ("Board: Wind River SBC8540 Board\n"); |
| 249 | #endif |
Wolfgang Denk | 08ef89e | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 250 | printf ("\tCPU: %s MHz\n", strmhz(buf, sysinfo.freqProcessor)); |
| 251 | printf ("\tCCB: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus)); |
| 252 | printf ("\tDDR: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus/2)); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 253 | if((CONFIG_SYS_LBC_LCRR & 0x0f) == 2 || (CONFIG_SYS_LBC_LCRR & 0x0f) == 4 \ |
| 254 | || (CONFIG_SYS_LBC_LCRR & 0x0f) == 8) { |
Wolfgang Denk | 08ef89e | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 255 | printf ("\tLBC: %s MHz\n", |
| 256 | strmhz(buf, sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f))); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 257 | } else { |
| 258 | printf("\tLBC: unknown\n"); |
| 259 | } |
Wolfgang Denk | 08ef89e | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 260 | printf("\tCPM: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus)); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 261 | printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n"); |
| 262 | return (0); |
| 263 | } |
| 264 | |
| 265 | |
Becky Bruce | 9973e3c | 2008-06-09 16:03:40 -0500 | [diff] [blame] | 266 | phys_size_t initdram (int board_type) |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 267 | { |
| 268 | long dram_size = 0; |
Jon Loeliger | a30a549 | 2008-03-04 10:03:03 -0600 | [diff] [blame] | 269 | |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 270 | #if 0 |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 271 | #if !defined(CONFIG_RAM_AS_FLASH) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 272 | volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 273 | sys_info_t sysinfo; |
| 274 | uint temp_lbcdll = 0; |
| 275 | #endif |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 276 | #endif /* 0 */ |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 277 | #if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 278 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 279 | #endif |
| 280 | #if defined(CONFIG_DDR_DLL) |
| 281 | uint temp_ddrdll = 0; |
| 282 | |
| 283 | /* Work around to stabilize DDR DLL */ |
| 284 | temp_ddrdll = gur->ddrdllcr; |
| 285 | gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000; |
| 286 | asm("sync;isync;msync"); |
| 287 | #endif |
| 288 | |
| 289 | #if defined(CONFIG_SPD_EEPROM) |
Kumar Gala | 8e55313 | 2008-08-26 23:52:58 -0500 | [diff] [blame] | 290 | dram_size = fsl_ddr_sdram(); |
| 291 | dram_size = setup_ddr_tlbs(dram_size / 0x100000); |
| 292 | dram_size *= 0x100000; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 293 | #else |
| 294 | dram_size = fixed_sdram (); |
| 295 | #endif |
| 296 | |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 297 | #if 0 |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 298 | #if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus SDRAM is not emulating flash */ |
| 299 | get_sys_info(&sysinfo); |
Wolfgang Denk | 8ed44d9 | 2008-10-19 02:35:50 +0200 | [diff] [blame^] | 300 | /* if localbus freq is less than 66MHz,we use bypass mode,otherwise use DLL */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 301 | if(sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f) < 66000000) { |
| 302 | lbc->lcrr = (CONFIG_SYS_LBC_LCRR & 0x0fffffff)| 0x80000000; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 303 | } else { |
| 304 | #if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */ |
| 305 | lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */ |
| 306 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 307 | lbc->lcrr = CONFIG_SYS_LBC_LCRR & 0x7fffffff; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 308 | udelay(200); |
| 309 | temp_lbcdll = gur->lbcdllcr; |
| 310 | gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000; |
| 311 | asm("sync;isync;msync"); |
| 312 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 313 | lbc->or2 = CONFIG_SYS_OR2_PRELIM; /* 64MB SDRAM */ |
| 314 | lbc->br2 = CONFIG_SYS_BR2_PRELIM; |
| 315 | lbc->lbcr = CONFIG_SYS_LBC_LBCR; |
| 316 | lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 317 | asm("sync"); |
| 318 | (unsigned int) * (ulong *)0 = 0x000000ff; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 319 | lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 320 | asm("sync"); |
| 321 | (unsigned int) * (ulong *)0 = 0x000000ff; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 322 | lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 323 | asm("sync"); |
| 324 | (unsigned int) * (ulong *)0 = 0x000000ff; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 325 | lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 326 | asm("sync"); |
| 327 | (unsigned int) * (ulong *)0 = 0x000000ff; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 328 | lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 329 | asm("sync"); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 330 | lbc->lsrt = CONFIG_SYS_LBC_LSRT; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 331 | asm("sync"); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 332 | lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 333 | asm("sync"); |
| 334 | #endif |
| 335 | #endif |
| 336 | |
| 337 | #if defined(CONFIG_DDR_ECC) |
| 338 | { |
| 339 | /* Initialize all of memory for ECC, then |
| 340 | * enable errors */ |
| 341 | uint *p = 0; |
| 342 | uint i = 0; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 343 | volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 344 | dma_init(); |
| 345 | for (*p = 0; p < (uint *)(8 * 1024); p++) { |
| 346 | if (((unsigned int)p & 0x1f) == 0) { dcbz(p); } |
| 347 | *p = (unsigned int)0xdeadbeef; |
| 348 | if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); } |
| 349 | } |
| 350 | |
| 351 | /* 8K */ |
| 352 | dma_xfer((uint *)0x2000,0x2000,(uint *)0); |
| 353 | /* 16K */ |
| 354 | dma_xfer((uint *)0x4000,0x4000,(uint *)0); |
| 355 | /* 32K */ |
| 356 | dma_xfer((uint *)0x8000,0x8000,(uint *)0); |
| 357 | /* 64K */ |
| 358 | dma_xfer((uint *)0x10000,0x10000,(uint *)0); |
| 359 | /* 128k */ |
| 360 | dma_xfer((uint *)0x20000,0x20000,(uint *)0); |
| 361 | /* 256k */ |
| 362 | dma_xfer((uint *)0x40000,0x40000,(uint *)0); |
| 363 | /* 512k */ |
| 364 | dma_xfer((uint *)0x80000,0x80000,(uint *)0); |
| 365 | /* 1M */ |
| 366 | dma_xfer((uint *)0x100000,0x100000,(uint *)0); |
| 367 | /* 2M */ |
| 368 | dma_xfer((uint *)0x200000,0x200000,(uint *)0); |
| 369 | /* 4M */ |
| 370 | dma_xfer((uint *)0x400000,0x400000,(uint *)0); |
| 371 | |
| 372 | for (i = 1; i < dram_size / 0x800000; i++) { |
| 373 | dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0); |
| 374 | } |
| 375 | |
| 376 | /* Enable errors for ECC */ |
| 377 | ddr->err_disable = 0x00000000; |
| 378 | asm("sync;isync;msync"); |
| 379 | } |
| 380 | #endif |
| 381 | |
| 382 | return dram_size; |
| 383 | } |
| 384 | |
| 385 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 386 | #if defined(CONFIG_SYS_DRAM_TEST) |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 387 | int testdram (void) |
| 388 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 389 | uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; |
| 390 | uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 391 | uint *p; |
| 392 | |
| 393 | printf("SDRAM test phase 1:\n"); |
| 394 | for (p = pstart; p < pend; p++) |
| 395 | *p = 0xaaaaaaaa; |
| 396 | |
| 397 | for (p = pstart; p < pend; p++) { |
| 398 | if (*p != 0xaaaaaaaa) { |
| 399 | printf ("SDRAM test fails at: %08x\n", (uint) p); |
| 400 | return 1; |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | printf("SDRAM test phase 2:\n"); |
| 405 | for (p = pstart; p < pend; p++) |
| 406 | *p = 0x55555555; |
| 407 | |
| 408 | for (p = pstart; p < pend; p++) { |
| 409 | if (*p != 0x55555555) { |
| 410 | printf ("SDRAM test fails at: %08x\n", (uint) p); |
| 411 | return 1; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | printf("SDRAM test passed.\n"); |
| 416 | return 0; |
| 417 | } |
| 418 | #endif |
| 419 | |
| 420 | #if !defined(CONFIG_SPD_EEPROM) |
| 421 | /************************************************************************* |
| 422 | * fixed sdram init -- doesn't use serial presence detect. |
| 423 | ************************************************************************/ |
| 424 | long int fixed_sdram (void) |
| 425 | { |
| 426 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 427 | #define CONFIG_SYS_DDR_CONTROL 0xc2000000 |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 428 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 429 | #ifndef CONFIG_SYS_RAMBOOT |
| 430 | volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 431 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 432 | #if (CONFIG_SYS_SDRAM_SIZE == 512) |
Paul Gortmaker | 0ec436d | 2008-07-11 15:33:04 -0400 | [diff] [blame] | 433 | ddr->cs0_bnds = 0x0000000f; |
| 434 | #else |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 435 | ddr->cs0_bnds = 0x00000007; |
Paul Gortmaker | 0ec436d | 2008-07-11 15:33:04 -0400 | [diff] [blame] | 436 | #endif |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 437 | ddr->cs1_bnds = 0x0010001f; |
| 438 | ddr->cs2_bnds = 0x00000000; |
| 439 | ddr->cs3_bnds = 0x00000000; |
| 440 | ddr->cs0_config = 0x80000102; |
| 441 | ddr->cs1_config = 0x80000102; |
| 442 | ddr->cs2_config = 0x00000000; |
| 443 | ddr->cs3_config = 0x00000000; |
| 444 | ddr->timing_cfg_1 = 0x37334321; |
| 445 | ddr->timing_cfg_2 = 0x00000800; |
| 446 | ddr->sdram_cfg = 0x42000000; |
| 447 | ddr->sdram_mode = 0x00000022; |
| 448 | ddr->sdram_interval = 0x05200100; |
| 449 | ddr->err_sbe = 0x00ff0000; |
| 450 | #if defined (CONFIG_DDR_ECC) |
| 451 | ddr->err_disable = 0x0000000D; |
| 452 | #endif |
| 453 | asm("sync;isync;msync"); |
| 454 | udelay(500); |
| 455 | #if defined (CONFIG_DDR_ECC) |
| 456 | /* Enable ECC checking */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 457 | ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 458 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 459 | ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 460 | #endif |
| 461 | asm("sync; isync; msync"); |
| 462 | udelay(500); |
| 463 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 464 | return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; |
wdenk | 8b07a11 | 2004-07-10 21:45:47 +0000 | [diff] [blame] | 465 | } |
| 466 | #endif /* !defined(CONFIG_SPD_EEPROM) */ |
Paul Gortmaker | d04e76e | 2008-07-11 15:33:06 -0400 | [diff] [blame] | 467 | |
| 468 | |
| 469 | #if defined(CONFIG_OF_BOARD_SETUP) |
| 470 | void |
| 471 | ft_board_setup(void *blob, bd_t *bd) |
| 472 | { |
| 473 | int node, tmp[2]; |
| 474 | #ifdef CONFIG_PCI |
| 475 | const char *path; |
| 476 | #endif |
| 477 | |
| 478 | ft_cpu_setup(blob, bd); |
| 479 | |
| 480 | node = fdt_path_offset(blob, "/aliases"); |
| 481 | tmp[0] = 0; |
| 482 | if (node >= 0) { |
| 483 | #ifdef CONFIG_PCI |
| 484 | path = fdt_getprop(blob, node, "pci0", NULL); |
| 485 | if (path) { |
| 486 | tmp[1] = hose.last_busno - hose.first_busno; |
| 487 | do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| 488 | } |
| 489 | #endif |
| 490 | } |
| 491 | } |
| 492 | #endif |