wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004 Freescale Semiconductor. |
| 3 | * |
| 4 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 25 | #include <common.h> |
| 26 | #include <pci.h> |
| 27 | #include <asm/processor.h> |
| 28 | #include <asm/immap_85xx.h> |
Wolfgang Denk | cd0bf80 | 2005-07-21 16:14:36 +0200 | [diff] [blame] | 29 | #include <ioports.h> |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 30 | #include <spd.h> |
Kumar Gala | d28ced3 | 2007-11-29 00:11:44 -0600 | [diff] [blame] | 31 | #include <libfdt.h> |
| 32 | #include <fdt_support.h> |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 33 | |
| 34 | #include "../common/cadmus.h" |
| 35 | #include "../common/eeprom.h" |
Matthew McClintock | 3b66201 | 2006-06-28 10:46:13 -0500 | [diff] [blame] | 36 | #include "../common/via.h" |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 37 | |
Jon Loeliger | 77a4f6e | 2005-07-25 14:05:07 -0500 | [diff] [blame] | 38 | #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 39 | extern void ddr_enable_ecc(unsigned int dram_size); |
| 40 | #endif |
| 41 | |
| 42 | extern long int spd_sdram(void); |
| 43 | |
| 44 | void local_bus_init(void); |
| 45 | void sdram_init(void); |
| 46 | |
Wolfgang Denk | cd0bf80 | 2005-07-21 16:14:36 +0200 | [diff] [blame] | 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 | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 201 | int board_early_init_f (void) |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 202 | { |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 203 | return 0; |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 204 | } |
| 205 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 206 | int checkboard (void) |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 207 | { |
Kumar Gala | ec1340d | 2007-11-27 23:25:02 -0600 | [diff] [blame] | 208 | volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 209 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 210 | /* PCI slot in USER bits CSR[6:7] by convention. */ |
| 211 | uint pci_slot = get_pci_slot (); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 212 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 213 | uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */ |
| 214 | uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */ |
| 215 | uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */ |
| 216 | uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */ |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 217 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 218 | uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */ |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 219 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 220 | uint cpu_board_rev = get_cpu_board_revision (); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 221 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 222 | printf ("Board: CDS Version 0x%02x, PCI Slot %d\n", |
| 223 | get_board_version (), pci_slot); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 224 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 225 | printf ("CPU Board Revision %d.%d (0x%04x)\n", |
| 226 | MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev), |
| 227 | MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 228 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 229 | printf (" PCI1: %d bit, %s MHz, %s\n", |
| 230 | (pci1_32) ? 32 : 64, |
| 231 | (pci1_speed == 33000000) ? "33" : |
| 232 | (pci1_speed == 66000000) ? "66" : "unknown", |
| 233 | pci1_clk_sel ? "sync" : "async"); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 234 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 235 | if (pci_dual) { |
| 236 | printf (" PCI2: 32 bit, 66 MHz, %s\n", |
| 237 | pci2_clk_sel ? "sync" : "async"); |
| 238 | } else { |
| 239 | printf (" PCI2: disabled\n"); |
| 240 | } |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 241 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 242 | /* |
| 243 | * Initialize local bus. |
| 244 | */ |
| 245 | local_bus_init (); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 246 | |
wdenk | ef3386f | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 247 | return 0; |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 248 | } |
| 249 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 250 | long int |
| 251 | initdram(int board_type) |
| 252 | { |
| 253 | long dram_size = 0; |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 254 | |
| 255 | puts("Initializing\n"); |
| 256 | |
| 257 | #if defined(CONFIG_DDR_DLL) |
| 258 | { |
| 259 | /* |
| 260 | * Work around to stabilize DDR DLL MSYNC_IN. |
| 261 | * Errata DDR9 seems to have been fixed. |
| 262 | * This is now the workaround for Errata DDR11: |
| 263 | * Override DLL = 1, Course Adj = 1, Tap Select = 0 |
| 264 | */ |
| 265 | |
Kumar Gala | ec1340d | 2007-11-27 23:25:02 -0600 | [diff] [blame] | 266 | volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 267 | |
| 268 | gur->ddrdllcr = 0x81000000; |
| 269 | asm("sync;isync;msync"); |
| 270 | udelay(200); |
| 271 | } |
| 272 | #endif |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 273 | dram_size = spd_sdram(); |
| 274 | |
Jon Loeliger | 77a4f6e | 2005-07-25 14:05:07 -0500 | [diff] [blame] | 275 | #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 276 | /* |
| 277 | * Initialize and enable DDR ECC. |
| 278 | */ |
| 279 | ddr_enable_ecc(dram_size); |
| 280 | #endif |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 281 | /* |
| 282 | * SDRAM Initialization |
| 283 | */ |
| 284 | sdram_init(); |
| 285 | |
| 286 | puts(" DDR: "); |
| 287 | return dram_size; |
| 288 | } |
| 289 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 290 | /* |
| 291 | * Initialize Local Bus |
| 292 | */ |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 293 | void |
| 294 | local_bus_init(void) |
| 295 | { |
Kumar Gala | ec1340d | 2007-11-27 23:25:02 -0600 | [diff] [blame] | 296 | volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
Kumar Gala | 0a7a097 | 2007-11-29 02:10:09 -0600 | [diff] [blame] | 297 | volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 298 | |
| 299 | uint clkdiv; |
| 300 | uint lbc_hz; |
| 301 | sys_info_t sysinfo; |
| 302 | uint temp_lbcdll; |
| 303 | |
| 304 | /* |
| 305 | * Errata LBC11. |
| 306 | * Fix Local Bus clock glitch when DLL is enabled. |
| 307 | * |
| 308 | * If localbus freq is < 66Mhz, DLL bypass mode must be used. |
| 309 | * If localbus freq is > 133Mhz, DLL can be safely enabled. |
| 310 | * Between 66 and 133, the DLL is enabled with an override workaround. |
| 311 | */ |
| 312 | |
| 313 | get_sys_info(&sysinfo); |
| 314 | clkdiv = lbc->lcrr & 0x0f; |
| 315 | lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| 316 | |
| 317 | if (lbc_hz < 66) { |
| 318 | lbc->lcrr |= 0x80000000; /* DLL Bypass */ |
| 319 | |
| 320 | } else if (lbc_hz >= 133) { |
| 321 | lbc->lcrr &= (~0x80000000); /* DLL Enabled */ |
| 322 | |
| 323 | } else { |
| 324 | lbc->lcrr &= (~0x8000000); /* DLL Enabled */ |
| 325 | udelay(200); |
| 326 | |
| 327 | /* |
| 328 | * Sample LBC DLL ctrl reg, upshift it to set the |
| 329 | * override bits. |
| 330 | */ |
| 331 | temp_lbcdll = gur->lbcdllcr; |
| 332 | gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); |
| 333 | asm("sync;isync;msync"); |
| 334 | } |
| 335 | } |
| 336 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 337 | /* |
| 338 | * Initialize SDRAM memory on the Local Bus. |
| 339 | */ |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 340 | void |
| 341 | sdram_init(void) |
| 342 | { |
| 343 | #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM) |
| 344 | |
| 345 | uint idx; |
Kumar Gala | 0a7a097 | 2007-11-29 02:10:09 -0600 | [diff] [blame] | 346 | volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 347 | uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE; |
| 348 | uint cpu_board_rev; |
| 349 | uint lsdmr_common; |
| 350 | |
| 351 | puts(" SDRAM: "); |
| 352 | |
| 353 | print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); |
| 354 | |
| 355 | /* |
| 356 | * Setup SDRAM Base and Option Registers |
| 357 | */ |
| 358 | lbc->or2 = CFG_OR2_PRELIM; |
| 359 | asm("msync"); |
| 360 | |
| 361 | lbc->br2 = CFG_BR2_PRELIM; |
| 362 | asm("msync"); |
| 363 | |
| 364 | lbc->lbcr = CFG_LBC_LBCR; |
| 365 | asm("msync"); |
| 366 | |
| 367 | |
| 368 | lbc->lsrt = CFG_LBC_LSRT; |
| 369 | lbc->mrtpr = CFG_LBC_MRTPR; |
| 370 | asm("msync"); |
| 371 | |
| 372 | /* |
| 373 | * Determine which address lines to use baed on CPU board rev. |
| 374 | */ |
| 375 | cpu_board_rev = get_cpu_board_revision(); |
| 376 | lsdmr_common = CFG_LBC_LSDMR_COMMON; |
| 377 | if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) { |
| 378 | lsdmr_common |= CFG_LBC_LSDMR_BSMA1617; |
| 379 | } else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) { |
| 380 | lsdmr_common |= CFG_LBC_LSDMR_BSMA1516; |
| 381 | } else { |
| 382 | /* |
| 383 | * Assume something unable to identify itself is |
| 384 | * really old, and likely has lines 16/17 mapped. |
| 385 | */ |
| 386 | lsdmr_common |= CFG_LBC_LSDMR_BSMA1617; |
| 387 | } |
| 388 | |
| 389 | /* |
| 390 | * Issue PRECHARGE ALL command. |
| 391 | */ |
| 392 | lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL; |
| 393 | asm("sync;msync"); |
| 394 | *sdram_addr = 0xff; |
| 395 | ppcDcbf((unsigned long) sdram_addr); |
| 396 | udelay(100); |
| 397 | |
| 398 | /* |
| 399 | * Issue 8 AUTO REFRESH commands. |
| 400 | */ |
| 401 | for (idx = 0; idx < 8; idx++) { |
| 402 | lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH; |
| 403 | asm("sync;msync"); |
| 404 | *sdram_addr = 0xff; |
| 405 | ppcDcbf((unsigned long) sdram_addr); |
| 406 | udelay(100); |
| 407 | } |
| 408 | |
| 409 | /* |
| 410 | * Issue 8 MODE-set command. |
| 411 | */ |
| 412 | lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW; |
| 413 | asm("sync;msync"); |
| 414 | *sdram_addr = 0xff; |
| 415 | ppcDcbf((unsigned long) sdram_addr); |
| 416 | udelay(100); |
| 417 | |
| 418 | /* |
| 419 | * Issue NORMAL OP command. |
| 420 | */ |
| 421 | lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL; |
| 422 | asm("sync;msync"); |
| 423 | *sdram_addr = 0xff; |
| 424 | ppcDcbf((unsigned long) sdram_addr); |
| 425 | udelay(200); /* Overkill. Must wait > 200 bus cycles */ |
| 426 | |
| 427 | #endif /* enable SDRAM init */ |
| 428 | } |
| 429 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 430 | #if defined(CFG_DRAM_TEST) |
| 431 | int |
| 432 | testdram(void) |
| 433 | { |
| 434 | uint *pstart = (uint *) CFG_MEMTEST_START; |
| 435 | uint *pend = (uint *) CFG_MEMTEST_END; |
| 436 | uint *p; |
| 437 | |
| 438 | printf("Testing DRAM from 0x%08x to 0x%08x\n", |
| 439 | CFG_MEMTEST_START, |
| 440 | CFG_MEMTEST_END); |
| 441 | |
| 442 | printf("DRAM 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 ("DRAM test fails at: %08x\n", (uint) p); |
| 449 | return 1; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | printf("DRAM 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 ("DRAM test fails at: %08x\n", (uint) p); |
| 460 | return 1; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | printf("DRAM test passed.\n"); |
| 465 | return 0; |
| 466 | } |
| 467 | #endif |
| 468 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 469 | #if defined(CONFIG_PCI) |
Matthew McClintock | 3b66201 | 2006-06-28 10:46:13 -0500 | [diff] [blame] | 470 | /* For some reason the Tundra PCI bridge shows up on itself as a |
| 471 | * different device. Work around that by refusing to configure it. |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 472 | */ |
Matthew McClintock | 3b66201 | 2006-06-28 10:46:13 -0500 | [diff] [blame] | 473 | void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { } |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 474 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 475 | static struct pci_config_table pci_mpc85xxcds_config_table[] = { |
Matthew McClintock | 3b66201 | 2006-06-28 10:46:13 -0500 | [diff] [blame] | 476 | {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}}, |
Randy Vinson | 1dfd6d9 | 2007-02-27 19:42:22 -0700 | [diff] [blame] | 477 | {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}}, |
| 478 | {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1, |
Andy Fleming | dcd580b | 2007-02-24 01:08:13 -0600 | [diff] [blame] | 479 | mpc85xx_config_via_usbide, {0,0,0}}, |
Randy Vinson | 1dfd6d9 | 2007-02-27 19:42:22 -0700 | [diff] [blame] | 480 | {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2, |
| 481 | mpc85xx_config_via_usb, {0,0,0}}, |
| 482 | {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3, |
| 483 | mpc85xx_config_via_usb2, {0,0,0}}, |
| 484 | {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5, |
Andy Fleming | dcd580b | 2007-02-24 01:08:13 -0600 | [diff] [blame] | 485 | mpc85xx_config_via_power, {0,0,0}}, |
Randy Vinson | 1dfd6d9 | 2007-02-27 19:42:22 -0700 | [diff] [blame] | 486 | {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6, |
| 487 | mpc85xx_config_via_ac97, {0,0,0}}, |
Andy Fleming | dcd580b | 2007-02-24 01:08:13 -0600 | [diff] [blame] | 488 | {}, |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 489 | }; |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 490 | |
Matthew McClintock | 3b66201 | 2006-06-28 10:46:13 -0500 | [diff] [blame] | 491 | static struct pci_controller hose[] = { |
| 492 | { config_table: pci_mpc85xxcds_config_table,}, |
| 493 | #ifdef CONFIG_MPC85XX_PCI2 |
| 494 | {}, |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 495 | #endif |
| 496 | }; |
| 497 | |
| 498 | #endif /* CONFIG_PCI */ |
| 499 | |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 500 | void |
| 501 | pci_init_board(void) |
| 502 | { |
| 503 | #ifdef CONFIG_PCI |
Matthew McClintock | 5b94882 | 2006-10-11 15:13:01 -0500 | [diff] [blame] | 504 | pci_mpc85xx_init(hose); |
wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 505 | #endif |
| 506 | } |
Kumar Gala | d28ced3 | 2007-11-29 00:11:44 -0600 | [diff] [blame] | 507 | |
| 508 | #if defined(CONFIG_OF_BOARD_SETUP) |
| 509 | void |
| 510 | ft_pci_setup(void *blob, bd_t *bd) |
| 511 | { |
| 512 | int node, tmp[2]; |
| 513 | const char *path; |
| 514 | |
| 515 | node = fdt_path_offset(blob, "/aliases"); |
| 516 | tmp[0] = 0; |
| 517 | if (node >= 0) { |
| 518 | #ifdef CONFIG_PCI1 |
| 519 | path = fdt_getprop(blob, node, "pci0", NULL); |
| 520 | if (path) { |
| 521 | tmp[1] = hose[0].last_busno - hose[0].first_busno; |
| 522 | do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| 523 | } |
| 524 | #endif |
| 525 | #ifdef CONFIG_MPC85XX_PCI2 |
| 526 | path = fdt_getprop(blob, node, "pci1", NULL); |
| 527 | if (path) { |
| 528 | tmp[1] = hose[1].last_busno - hose[1].first_busno; |
| 529 | do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| 530 | } |
| 531 | #endif |
| 532 | } |
| 533 | } |
| 534 | #endif |