Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2006 |
| 3 | * Heiko Schocher, DENX Software Engineering, hs@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <ioports.h> |
| 26 | #include <mpc8260.h> |
| 27 | |
| 28 | #include <command.h> |
| 29 | #ifdef CONFIG_PCI |
| 30 | #include <pci.h> |
| 31 | #include <asm/m8260_pci.h> |
| 32 | #endif |
| 33 | #if CONFIG_OF_FLAT_TREE |
| 34 | #include <ft_build.h> |
| 35 | #include <image.h> |
| 36 | #endif |
| 37 | |
| 38 | #if 0 |
| 39 | #define deb_printf(fmt,arg...) \ |
| 40 | printf ("TQM8272 %s %s: " fmt,__FILE__, __FUNCTION__, ##arg) |
| 41 | #else |
| 42 | #define deb_printf(fmt,arg...) \ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 43 | do { } while (0) |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 44 | #endif |
| 45 | |
| 46 | #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| 47 | unsigned long board_get_cpu_clk_f (void); |
| 48 | #endif |
| 49 | |
| 50 | /* |
| 51 | * I/O Port configuration table |
| 52 | * |
| 53 | * if conf is 1, then that port pin will be configured at boot time |
| 54 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 55 | */ |
| 56 | |
| 57 | const iop_conf_t iop_conf_tab[4][32] = { |
| 58 | |
| 59 | /* Port A configuration */ |
| 60 | { /* conf ppar psor pdir podr pdat */ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 61 | /* PA31 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */ |
| 62 | /* PA30 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */ |
| 63 | /* PA29 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */ |
| 64 | /* PA28 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */ |
| 65 | /* PA27 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */ |
| 66 | /* PA26 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */ |
| 67 | /* PA25 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| 68 | /* PA24 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| 69 | /* PA23 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| 70 | /* PA22 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| 71 | /* PA21 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| 72 | /* PA20 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| 73 | /* PA19 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| 74 | /* PA18 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| 75 | /* PA17 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| 76 | /* PA16 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| 77 | /* PA15 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| 78 | /* PA14 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| 79 | /* PA13 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| 80 | /* PA12 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| 81 | /* PA11 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| 82 | /* PA10 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| 83 | /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ |
| 84 | /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ |
| 85 | /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| 86 | /* PA6 */ { 0, 0, 0, 1, 0, 0 }, /* PA6 */ |
| 87 | /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ |
| 88 | /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ |
| 89 | /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ |
| 90 | /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ |
| 91 | /* PA1 */ { 0, 0, 0, 1, 0, 0 }, /* PA1 */ |
| 92 | /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 93 | }, |
| 94 | |
| 95 | /* Port B configuration */ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 96 | { /* conf ppar psor pdir podr pdat */ |
| 97 | /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| 98 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| 99 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| 100 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| 101 | /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| 102 | /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| 103 | /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| 104 | /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| 105 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| 106 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| 107 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| 108 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| 109 | /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| 110 | /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| 111 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* PB17 */ |
| 112 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */ |
| 113 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */ |
| 114 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */ |
| 115 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */ |
| 116 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */ |
| 117 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */ |
| 118 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */ |
| 119 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */ |
| 120 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */ |
| 121 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ |
| 122 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */ |
| 123 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */ |
| 124 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */ |
| 125 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 126 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 127 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 128 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 129 | }, |
| 130 | |
| 131 | /* Port C */ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 132 | { /* conf ppar psor pdir podr pdat */ |
| 133 | /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ |
| 134 | /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ |
| 135 | /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| 136 | /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| 137 | /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* PC27 */ |
| 138 | /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ |
| 139 | /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ |
| 140 | /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ |
| 141 | /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ |
| 142 | /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ |
| 143 | /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| 144 | /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| 145 | /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */ |
| 146 | /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */ |
| 147 | /* PC17 */ { 1, 0, 0, 1, 0, 0 }, /* PC17 MDC */ |
| 148 | /* PC16 */ { 1, 0, 0, 0, 0, 0 }, /* PC16 MDIO*/ |
| 149 | /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ |
| 150 | /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| 151 | /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| 152 | /* PC12 */ { 0, 0, 0, 1, 0, 0 }, /* PC12 */ |
| 153 | /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* PC11 */ |
| 154 | /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* PC10 */ |
| 155 | /* PC9 */ { 0, 0, 0, 1, 0, 0 }, /* PC9 */ |
| 156 | /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ |
| 157 | /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ |
| 158 | /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ |
| 159 | /* PC5 */ { 1, 1, 0, 1, 0, 0 }, /* PC5 SMC1 TXD */ |
| 160 | /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* PC4 SMC1 RXD */ |
| 161 | /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ |
| 162 | /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ |
| 163 | /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ |
| 164 | /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 165 | }, |
| 166 | |
| 167 | /* Port D */ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 168 | { /* conf ppar psor pdir podr pdat */ |
| 169 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ |
| 170 | /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ |
| 171 | /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ |
| 172 | /* PD28 */ { 0, 0, 0, 1, 0, 0 }, /* PD28 */ |
| 173 | /* PD27 */ { 0, 0, 0, 1, 0, 0 }, /* PD27 */ |
| 174 | /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ |
| 175 | /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ |
| 176 | /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ |
| 177 | /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ |
| 178 | /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ |
| 179 | /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ |
| 180 | /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ |
| 181 | /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 182 | /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| 183 | /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| 184 | /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 185 | #if defined(CONFIG_SOFT_I2C) |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 186 | /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */ |
| 187 | /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 188 | #else |
| 189 | #if defined(CONFIG_HARD_I2C) |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 190 | /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 191 | /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 192 | #else /* normal I/O port pins */ |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 193 | /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 194 | /* PD14 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 195 | #endif |
| 196 | #endif |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 197 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 198 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 199 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 200 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 201 | /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| 202 | /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| 203 | /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ |
| 204 | /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ |
| 205 | /* PD5 */ { 0, 0, 0, 1, 0, 0 }, /* PD5 */ |
| 206 | /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ |
| 207 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 208 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 209 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| 210 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 211 | } |
| 212 | }; |
| 213 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 214 | #define _NOT_USED_ 0xFFFFFFFF |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 215 | |
| 216 | /* UPM pattern for bus clock = 66.7 MHz */ |
| 217 | static const uint upmTable67[] = |
| 218 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 219 | /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| 220 | /* 0x00 */ 0x0fa3f100, 0x0fa3b000, 0x0fa33100, 0x0fa33000, |
| 221 | /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 222 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 223 | /* UPM Read Burst RAM array entry -> unused */ |
| 224 | /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 225 | /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 226 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 227 | /* UPM Read Burst RAM array entry -> unused */ |
| 228 | /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 229 | /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 230 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 231 | /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| 232 | /* 0x18 */ 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, |
| 233 | /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 234 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 235 | /* UPM Write Burst RAM array entry -> unused */ |
| 236 | /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 237 | /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 238 | /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 239 | /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 240 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 241 | /* UPM Refresh Timer RAM array entry -> unused */ |
| 242 | /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 243 | /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 244 | /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 245 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 246 | /* UPM Exception RAM array entry -> unsused */ |
| 247 | /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 248 | }; |
| 249 | |
| 250 | /* UPM pattern for bus clock = 100 MHz */ |
| 251 | static const uint upmTable100[] = |
| 252 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 253 | /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| 254 | /* 0x00 */ 0x0fa3f200, 0x0fa3b000, 0x0fa33300, 0x0fa33000, |
| 255 | /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 256 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 257 | /* UPM Read Burst RAM array entry -> unused */ |
| 258 | /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 259 | /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 260 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 261 | /* UPM Read Burst RAM array entry -> unused */ |
| 262 | /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 263 | /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 264 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 265 | /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| 266 | /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fc00, 0x0fa3fc00, |
| 267 | /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 268 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 269 | /* UPM Write Burst RAM array entry -> unused */ |
| 270 | /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 271 | /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 272 | /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 273 | /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 274 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 275 | /* UPM Refresh Timer RAM array entry -> unused */ |
| 276 | /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 277 | /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 278 | /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 279 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 280 | /* UPM Exception RAM array entry -> unsused */ |
| 281 | /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 282 | }; |
| 283 | |
| 284 | /* UPM pattern for bus clock = 133.3 MHz */ |
| 285 | static const uint upmTable133[] = |
| 286 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 287 | /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| 288 | /* 0x00 */ 0x0fa3f300, 0x0fa3b000, 0x0fa33300, 0x0fa33000, |
| 289 | /* 0x04 */ 0x0fa33200, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 290 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 291 | /* UPM Read Burst RAM array entry -> unused */ |
| 292 | /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 293 | /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 294 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 295 | /* UPM Read Burst RAM array entry -> unused */ |
| 296 | /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 297 | /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 298 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 299 | /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| 300 | /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fd00, 0x0fa3fc00, |
| 301 | /* 0x1C */ 0x0fa3fd00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 302 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 303 | /* UPM Write Burst RAM array entry -> unused */ |
| 304 | /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 305 | /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 306 | /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 307 | /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 308 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 309 | /* UPM Refresh Timer RAM array entry -> unused */ |
| 310 | /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 311 | /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 312 | /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 313 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 314 | /* UPM Exception RAM array entry -> unsused */ |
| 315 | /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 316 | }; |
| 317 | |
| 318 | static int chipsel = 0; |
| 319 | |
| 320 | /* UPM pattern for slow init */ |
| 321 | static const uint upmTableSlow[] = |
| 322 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 323 | /* Offset UPM Read Single RAM array entry */ |
| 324 | /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcf00, 0x00ffdc00, |
| 325 | /* 0x04 */ 0x00ffce80, 0x00ffcc00, 0x00ffee00, 0x3fffcc07, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 326 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 327 | /* UPM Read Burst RAM array entry -> unused */ |
| 328 | /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 329 | /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 330 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 331 | /* UPM Read Burst RAM array entry -> unused */ |
| 332 | /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 333 | /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 334 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 335 | /* UPM Write Single RAM array entry */ |
| 336 | /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffef00, 0x00fffc80, |
| 337 | /* 0x1C */ 0x00fffe00, 0x00ffec00, 0x0fffef00, 0x3fffec05, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 338 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 339 | /* UPM Write Burst RAM array entry -> unused */ |
| 340 | /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 341 | /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 342 | /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 343 | /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 344 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 345 | /* UPM Refresh Timer RAM array entry -> unused */ |
| 346 | /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 347 | /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 348 | /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 349 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 350 | /* UPM Exception RAM array entry -> unused */ |
| 351 | /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 352 | }; |
| 353 | |
| 354 | /* UPM pattern for fast init */ |
| 355 | static const uint upmTableFast[] = |
| 356 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 357 | /* Offset UPM Read Single RAM array entry */ |
| 358 | /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcd80, 0x00ffdc00, |
| 359 | /* 0x04 */ 0x00ffdc00, 0x00ffcf00, 0x00ffec00, 0x3fffcc07, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 360 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 361 | /* UPM Read Burst RAM array entry -> unused */ |
| 362 | /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 363 | /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 364 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 365 | /* UPM Read Burst RAM array entry -> unused */ |
| 366 | /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 367 | /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 368 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 369 | /* UPM Write Single RAM array entry */ |
| 370 | /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffee80, 0x00fffc00, |
| 371 | /* 0x1C */ 0x00fffc00, 0x00ffec00, 0x0fffef00, 0x3fffec05, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 372 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 373 | /* UPM Write Burst RAM array entry -> unused */ |
| 374 | /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 375 | /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 376 | /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 377 | /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 378 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 379 | /* UPM Refresh Timer RAM array entry -> unused */ |
| 380 | /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 381 | /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| 382 | /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 383 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 384 | /* UPM Exception RAM array entry -> unused */ |
| 385 | /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 386 | }; |
| 387 | |
| 388 | |
| 389 | /* ------------------------------------------------------------------------- */ |
| 390 | |
| 391 | /* Check Board Identity: |
| 392 | */ |
| 393 | int checkboard (void) |
| 394 | { |
| 395 | char *p = (char *) HWIB_INFO_START_ADDR; |
| 396 | |
| 397 | puts ("Board: "); |
| 398 | if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| 399 | puts (p); |
| 400 | } else { |
| 401 | puts ("No HWIB assuming TQM8272"); |
| 402 | } |
| 403 | putc ('\n'); |
| 404 | |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | /* ------------------------------------------------------------------------- */ |
| 409 | #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| 410 | static int get_cas_latency (void) |
| 411 | { |
| 412 | /* get it from the option -ts in CIB */ |
| 413 | /* default is 3 */ |
| 414 | int ret = 3; |
| 415 | int pos = 0; |
| 416 | char *p = (char *) CIB_INFO_START_ADDR; |
| 417 | |
| 418 | while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| 419 | if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| 420 | return ret; |
| 421 | } |
| 422 | if (*p == '-') { |
| 423 | if ((p[1] == 't') && (p[2] == 's')) { |
| 424 | return (p[4] - '0'); |
| 425 | } |
| 426 | } |
| 427 | p++; |
| 428 | pos++; |
| 429 | } |
| 430 | return ret; |
| 431 | } |
| 432 | #endif |
| 433 | |
| 434 | static ulong set_sdram_timing (volatile uint *sdmr_ptr, ulong sdmr, int col) |
| 435 | { |
| 436 | #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| 437 | int clk = board_get_cpu_clk_f (); |
| 438 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
| 439 | int busmode = (immr->im_siu_conf.sc_bcr & BCR_EBM ? 1 : 0); |
| 440 | int cas; |
| 441 | |
| 442 | sdmr = sdmr & ~(PSDMR_RFRC_MSK | PSDMR_PRETOACT_MSK | PSDMR_WRC_MSK | \ |
| 443 | PSDMR_BUFCMD); |
| 444 | if (busmode) { |
| 445 | switch (clk) { |
| 446 | case 66666666: |
| 447 | sdmr |= (PSDMR_RFRC_66MHZ_60X | \ |
| 448 | PSDMR_PRETOACT_66MHZ_60X | \ |
| 449 | PSDMR_WRC_66MHZ_60X | \ |
| 450 | PSDMR_BUFCMD_66MHZ_60X); |
| 451 | break; |
| 452 | case 100000000: |
| 453 | sdmr |= (PSDMR_RFRC_100MHZ_60X | \ |
| 454 | PSDMR_PRETOACT_100MHZ_60X | \ |
| 455 | PSDMR_WRC_100MHZ_60X | \ |
| 456 | PSDMR_BUFCMD_100MHZ_60X); |
| 457 | break; |
| 458 | |
| 459 | } |
| 460 | } else { |
| 461 | switch (clk) { |
| 462 | case 66666666: |
| 463 | sdmr |= (PSDMR_RFRC_66MHZ_SINGLE | \ |
| 464 | PSDMR_PRETOACT_66MHZ_SINGLE | \ |
| 465 | PSDMR_WRC_66MHZ_SINGLE | \ |
| 466 | PSDMR_BUFCMD_66MHZ_SINGLE); |
| 467 | break; |
| 468 | case 100000000: |
| 469 | sdmr |= (PSDMR_RFRC_100MHZ_SINGLE | \ |
| 470 | PSDMR_PRETOACT_100MHZ_SINGLE | \ |
| 471 | PSDMR_WRC_100MHZ_SINGLE | \ |
| 472 | PSDMR_BUFCMD_100MHZ_SINGLE); |
| 473 | break; |
| 474 | case 133333333: |
| 475 | sdmr |= (PSDMR_RFRC_133MHZ_SINGLE | \ |
| 476 | PSDMR_PRETOACT_133MHZ_SINGLE | \ |
| 477 | PSDMR_WRC_133MHZ_SINGLE | \ |
| 478 | PSDMR_BUFCMD_133MHZ_SINGLE); |
| 479 | break; |
| 480 | } |
| 481 | } |
| 482 | cas = get_cas_latency(); |
| 483 | sdmr &=~ (PSDMR_CL_MSK | PSDMR_LDOTOPRE_MSK); |
| 484 | sdmr |= cas; |
| 485 | sdmr |= ((cas - 1) << 6); |
| 486 | return sdmr; |
| 487 | #else |
| 488 | return sdmr; |
| 489 | #endif |
| 490 | } |
| 491 | |
| 492 | /* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx |
| 493 | * |
| 494 | * This routine performs standard 8260 initialization sequence |
| 495 | * and calculates the available memory size. It may be called |
| 496 | * several times to try different SDRAM configurations on both |
| 497 | * 60x and local buses. |
| 498 | */ |
| 499 | static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, |
| 500 | ulong orx, volatile uchar * base, int col) |
| 501 | { |
| 502 | volatile uchar c = 0xff; |
| 503 | volatile uint *sdmr_ptr; |
| 504 | volatile uint *orx_ptr; |
| 505 | ulong maxsize, size; |
| 506 | int i; |
| 507 | |
| 508 | /* We must be able to test a location outsize the maximum legal size |
| 509 | * to find out THAT we are outside; but this address still has to be |
| 510 | * mapped by the controller. That means, that the initial mapping has |
| 511 | * to be (at least) twice as large as the maximum expected size. |
| 512 | */ |
| 513 | maxsize = (1 + (~orx | 0x7fff)) / 2; |
| 514 | |
| 515 | /* Since CFG_SDRAM_BASE is always 0 (??), we assume that |
| 516 | * we are configuring CS1 if base != 0 |
| 517 | */ |
| 518 | sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr; |
| 519 | orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1; |
| 520 | |
| 521 | *orx_ptr = orx; |
| 522 | sdmr = set_sdram_timing (sdmr_ptr, sdmr, col); |
| 523 | /* |
| 524 | * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): |
| 525 | * |
| 526 | * "At system reset, initialization software must set up the |
| 527 | * programmable parameters in the memory controller banks registers |
| 528 | * (ORx, BRx, P/LSDMR). After all memory parameters are configured, |
| 529 | * system software should execute the following initialization sequence |
| 530 | * for each SDRAM device. |
| 531 | * |
| 532 | * 1. Issue a PRECHARGE-ALL-BANKS command |
| 533 | * 2. Issue eight CBR REFRESH commands |
| 534 | * 3. Issue a MODE-SET command to initialize the mode register |
| 535 | * |
| 536 | * The initial commands are executed by setting P/LSDMR[OP] and |
| 537 | * accessing the SDRAM with a single-byte transaction." |
| 538 | * |
| 539 | * The appropriate BRx/ORx registers have already been set when we |
| 540 | * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. |
| 541 | */ |
| 542 | |
| 543 | *sdmr_ptr = sdmr | PSDMR_OP_PREA; |
| 544 | *base = c; |
| 545 | |
| 546 | *sdmr_ptr = sdmr | PSDMR_OP_CBRR; |
| 547 | for (i = 0; i < 8; i++) |
| 548 | *base = c; |
| 549 | |
| 550 | *sdmr_ptr = sdmr | PSDMR_OP_MRW; |
| 551 | *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */ |
| 552 | |
| 553 | *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| 554 | *base = c; |
| 555 | |
| 556 | size = get_ram_size((long *)base, maxsize); |
| 557 | *orx_ptr = orx | ~(size - 1); |
| 558 | |
| 559 | return (size); |
| 560 | } |
| 561 | |
| 562 | long int initdram (int board_type) |
| 563 | { |
| 564 | volatile immap_t *immap = (immap_t *) CFG_IMMR; |
| 565 | volatile memctl8260_t *memctl = &immap->im_memctl; |
| 566 | |
| 567 | #ifndef CFG_RAMBOOT |
| 568 | long size8, size9; |
| 569 | #endif |
| 570 | long psize, lsize; |
| 571 | |
| 572 | psize = 16 * 1024 * 1024; |
| 573 | lsize = 0; |
| 574 | |
| 575 | memctl->memc_psrt = CFG_PSRT; |
| 576 | memctl->memc_mptpr = CFG_MPTPR; |
| 577 | |
| 578 | #ifndef CFG_RAMBOOT |
| 579 | /* 60x SDRAM setup: |
| 580 | */ |
| 581 | size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, |
| 582 | (uchar *) CFG_SDRAM_BASE, 8); |
| 583 | size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL, |
| 584 | (uchar *) CFG_SDRAM_BASE, 9); |
| 585 | |
| 586 | if (size8 < size9) { |
| 587 | psize = size9; |
| 588 | printf ("(60x:9COL - %ld MB, ", psize >> 20); |
| 589 | } else { |
| 590 | psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, |
| 591 | (uchar *) CFG_SDRAM_BASE, 8); |
| 592 | printf ("(60x:8COL - %ld MB, ", psize >> 20); |
| 593 | } |
| 594 | |
| 595 | #endif /* CFG_RAMBOOT */ |
| 596 | |
| 597 | icache_enable (); |
| 598 | |
| 599 | return (psize); |
| 600 | } |
| 601 | |
| 602 | |
| 603 | static inline int scanChar (char *p, int len, unsigned long *number) |
| 604 | { |
| 605 | int akt = 0; |
| 606 | |
| 607 | *number = 0; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 608 | while (akt < len) { |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 609 | if ((*p >= '0') && (*p <= '9')) { |
| 610 | *number *= 10; |
| 611 | *number += *p - '0'; |
| 612 | p += 1; |
| 613 | } else { |
| 614 | if (*p == '-') return akt; |
| 615 | return -1; |
| 616 | } |
| 617 | akt ++; |
| 618 | } |
| 619 | return akt; |
| 620 | } |
| 621 | |
| 622 | typedef struct{ |
| 623 | int Bus; |
| 624 | int flash; |
| 625 | int flash_nr; |
| 626 | int ram; |
| 627 | int ram_cs; |
| 628 | int nand; |
| 629 | int nand_cs; |
| 630 | int eeprom; |
| 631 | int can; |
| 632 | unsigned long cpunr; |
| 633 | unsigned long option; |
| 634 | int SecEng; |
| 635 | int cpucl; |
| 636 | int cpmcl; |
| 637 | int buscl; |
| 638 | int busclk_real_ok; |
| 639 | int busclk_real; |
| 640 | unsigned char OK; |
| 641 | unsigned char ethaddr[20]; |
| 642 | } HWIB_INFO; |
| 643 | |
| 644 | HWIB_INFO hwinf = {0, 0, 1, 0, 1, 0, 0, 0, 0, 8272, 0 ,0, |
| 645 | 0, 0, 0, 0, 0, 0}; |
| 646 | |
| 647 | static int dump_hwib(void) |
| 648 | { |
| 649 | HWIB_INFO *hw = &hwinf; |
| 650 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
| 651 | char *s = getenv("serial#"); |
| 652 | |
| 653 | if (hw->OK) { |
| 654 | printf ("HWIB on %x\n", HWIB_INFO_START_ADDR); |
| 655 | printf ("serial : %s\n", s); |
| 656 | printf ("ethaddr: %s\n", hw->ethaddr); |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 657 | printf ("FLASH : %x nr:%d\n", hw->flash, hw->flash_nr); |
| 658 | printf ("RAM : %x cs:%d\n", hw->ram, hw->ram_cs); |
| 659 | printf ("CPU : %d\n", hw->cpunr); |
| 660 | printf ("CAN : %d\n", hw->can); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 661 | if (hw->eeprom) printf ("EEprom : %x\n", hw->eeprom); |
| 662 | else printf ("No EEprom\n"); |
| 663 | if (hw->nand) { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 664 | printf ("NAND : %x\n", hw->nand); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 665 | printf ("NAND CS: %d\n", hw->nand_cs); |
| 666 | } else { printf ("No NAND\n");} |
| 667 | printf ("Bus %s mode.\n", (hw->Bus ? "60x" : "Single PQII")); |
| 668 | printf (" real : %s\n", (immr->im_siu_conf.sc_bcr & BCR_EBM ? \ |
| 669 | "60x" : "Single PQII")); |
| 670 | printf ("Option : %x\n", hw->option); |
| 671 | printf ("%s Security Engine\n", (hw->SecEng ? "with" : "no")); |
| 672 | printf ("CPM Clk: %d\n", hw->cpmcl); |
| 673 | printf ("CPU Clk: %d\n", hw->cpucl); |
| 674 | printf ("Bus Clk: %d\n", hw->buscl); |
| 675 | if (hw->busclk_real_ok) { |
| 676 | printf (" real Clk: %d\n", hw->busclk_real); |
| 677 | } |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 678 | printf ("CAS : %d\n", get_cas_latency()); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 679 | } else { |
| 680 | printf("HWIB @%x not OK\n", HWIB_INFO_START_ADDR); |
| 681 | } |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static inline int search_real_busclk (int *clk) |
| 686 | { |
| 687 | int part = 0, pos = 0; |
| 688 | char *p = (char *) CIB_INFO_START_ADDR; |
| 689 | int ok = 0; |
| 690 | |
| 691 | while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| 692 | if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| 693 | return 0; |
| 694 | } |
| 695 | switch (part) { |
| 696 | default: |
| 697 | if (*p == '-') { |
| 698 | ++part; |
| 699 | } |
| 700 | break; |
| 701 | case 3: |
| 702 | if (*p == '-') { |
| 703 | ++part; |
| 704 | break; |
| 705 | } |
| 706 | if (*p == 'b') { |
| 707 | ok = 1; |
| 708 | p++; |
| 709 | break; |
| 710 | } |
| 711 | if (ok) { |
| 712 | switch (*p) { |
| 713 | case '6': |
| 714 | *clk = 66666666; |
| 715 | return 1; |
| 716 | break; |
| 717 | case '1': |
| 718 | if (p[1] == '3') { |
| 719 | *clk = 133333333; |
| 720 | } else { |
| 721 | *clk = 100000000; |
| 722 | } |
| 723 | return 1; |
| 724 | break; |
| 725 | } |
| 726 | } |
| 727 | break; |
| 728 | } |
| 729 | p++; |
| 730 | } |
| 731 | return 0; |
| 732 | } |
| 733 | |
| 734 | int analyse_hwib (void) |
| 735 | { |
| 736 | char *p = (char *) HWIB_INFO_START_ADDR; |
| 737 | int anz; |
| 738 | int part = 1, i = 0, pos = 0; |
| 739 | HWIB_INFO *hw = &hwinf; |
| 740 | |
| 741 | deb_printf(" %s pointer: %p\n", __FUNCTION__, p); |
| 742 | /* Head = TQM */ |
| 743 | if (*((unsigned long *)p) != (unsigned long)CFG_HWINFO_MAGIC) { |
| 744 | deb_printf("No HWIB\n"); |
| 745 | return -1; |
| 746 | } |
| 747 | p += 3; |
| 748 | if (scanChar (p, 4, &hw->cpunr) < 0) { |
| 749 | deb_printf("No CPU\n"); |
| 750 | return -2; |
| 751 | } |
| 752 | p +=4; |
| 753 | |
| 754 | hw->flash = 0x200000 << (*p - 'A'); |
| 755 | p++; |
| 756 | hw->flash_nr = *p - '0'; |
| 757 | p++; |
| 758 | |
| 759 | hw->ram = 0x2000000 << (*p - 'A'); |
| 760 | p++; |
| 761 | if (*p == '2') { |
| 762 | hw->ram_cs = 2; |
| 763 | p++; |
| 764 | } |
| 765 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 766 | if (*p == 'A') hw->can = 1; |
| 767 | if (*p == 'B') hw->can = 2; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 768 | p +=1; |
| 769 | p +=1; /* connector */ |
| 770 | if (*p != '0') { |
Heiko Schocher | 609ed90 | 2007-03-21 08:45:17 +0100 | [diff] [blame] | 771 | hw->eeprom = 0x1000 << (*p - 'A'); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 772 | } |
| 773 | p++; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 774 | |
| 775 | if ((*p < '0') || (*p > '9')) { |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 776 | /* NAND before z-option */ |
| 777 | hw->nand = 0x8000000 << (*p - 'A'); |
| 778 | p++; |
| 779 | hw->nand_cs = *p - '0'; |
| 780 | p += 2; |
| 781 | } |
| 782 | /* z-option */ |
| 783 | anz = scanChar (p, 4, &hw->option); |
| 784 | if (anz < 0) { |
| 785 | deb_printf("No option\n"); |
| 786 | return -3; |
| 787 | } |
| 788 | if (hw->option & 0x8) hw->Bus = 1; |
| 789 | p += anz; |
| 790 | if (*p != '-') { |
| 791 | deb_printf("No -\n"); |
| 792 | return -4; |
| 793 | } |
| 794 | p++; |
| 795 | /* C option */ |
| 796 | if (*p == 'E') { |
| 797 | hw->SecEng = 1; |
| 798 | p++; |
| 799 | } |
| 800 | switch (*p) { |
| 801 | case 'M': hw->cpucl = 266666666; |
| 802 | break; |
| 803 | case 'P': hw->cpucl = 300000000; |
| 804 | break; |
| 805 | case 'T': hw->cpucl = 400000000; |
| 806 | break; |
| 807 | default: |
| 808 | deb_printf("No CPU Clk: %c\n", *p); |
| 809 | return -5; |
| 810 | break; |
| 811 | } |
| 812 | p++; |
| 813 | switch (*p) { |
| 814 | case 'I': hw->cpmcl = 200000000; |
| 815 | break; |
| 816 | case 'M': hw->cpmcl = 300000000; |
| 817 | break; |
| 818 | default: |
| 819 | deb_printf("No CPM Clk\n"); |
| 820 | return -6; |
| 821 | break; |
| 822 | } |
| 823 | p++; |
| 824 | switch (*p) { |
| 825 | case 'B': hw->buscl = 66666666; |
| 826 | break; |
| 827 | case 'E': hw->buscl = 100000000; |
| 828 | break; |
| 829 | case 'F': hw->buscl = 133333333; |
| 830 | break; |
| 831 | default: |
| 832 | deb_printf("No BUS Clk\n"); |
| 833 | return -7; |
| 834 | break; |
| 835 | } |
| 836 | p++; |
| 837 | |
| 838 | hw->OK = 1; |
| 839 | /* search MAC Address */ |
| 840 | while ((*p != '\0') && (pos < CFG_HWINFO_SIZE)) { |
| 841 | if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| 842 | return 0; |
| 843 | } |
| 844 | switch (part) { |
| 845 | default: |
| 846 | if (*p == ' ') { |
| 847 | ++part; |
| 848 | i = 0; |
| 849 | } |
| 850 | break; |
| 851 | case 3: /* Copy MAC address */ |
| 852 | if (*p == ' ') { |
| 853 | ++part; |
| 854 | i = 0; |
| 855 | break; |
| 856 | } |
| 857 | hw->ethaddr[i++] = *p; |
| 858 | if ((i % 3) == 2) |
| 859 | hw->ethaddr[i++] = ':'; |
| 860 | break; |
| 861 | |
| 862 | } |
| 863 | p++; |
| 864 | } |
| 865 | |
| 866 | hw->busclk_real_ok = search_real_busclk (&hw->busclk_real); |
| 867 | return 0; |
| 868 | } |
| 869 | |
| 870 | #if defined(CONFIG_GET_CPU_STR_F) |
| 871 | /* !! This routine runs from Flash */ |
| 872 | char get_cpu_str_f (char *buf) |
| 873 | { |
| 874 | char *p = (char *) HWIB_INFO_START_ADDR; |
| 875 | int i = 0; |
| 876 | |
| 877 | buf[i++] = 'M'; |
| 878 | buf[i++] = 'P'; |
| 879 | buf[i++] = 'C'; |
| 880 | if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| 881 | buf[i++] = *&p[3]; |
| 882 | buf[i++] = *&p[4]; |
| 883 | buf[i++] = *&p[5]; |
| 884 | buf[i++] = *&p[6]; |
| 885 | } else { |
| 886 | buf[i++] = '8'; |
| 887 | buf[i++] = '2'; |
| 888 | buf[i++] = '7'; |
| 889 | buf[i++] = 'x'; |
| 890 | } |
| 891 | buf[i++] = 0; |
| 892 | return 0; |
| 893 | } |
| 894 | #endif |
| 895 | |
| 896 | #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| 897 | /* !! This routine runs from Flash */ |
| 898 | unsigned long board_get_cpu_clk_f (void) |
| 899 | { |
| 900 | char *p = (char *) HWIB_INFO_START_ADDR; |
| 901 | int i = 0; |
| 902 | |
| 903 | if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| 904 | if (search_real_busclk (&i)) |
| 905 | return i; |
| 906 | } |
| 907 | return CONFIG_8260_CLKIN; |
| 908 | } |
| 909 | #endif |
| 910 | |
| 911 | #if CONFIG_BOARD_EARLY_INIT_R |
| 912 | |
| 913 | static int can_test (unsigned long off) |
| 914 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 915 | volatile unsigned char *base = (unsigned char *) (CFG_CAN_BASE + off); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 916 | |
| 917 | *(base + 0x17) = 'T'; |
| 918 | *(base + 0x18) = 'Q'; |
| 919 | *(base + 0x19) = 'M'; |
| 920 | if ((*(base + 0x17) != 'T') || |
| 921 | (*(base + 0x18) != 'Q') || |
| 922 | (*(base + 0x19) != 'M')) { |
| 923 | return 0; |
| 924 | } |
| 925 | return 1; |
| 926 | } |
| 927 | |
| 928 | static int can_config_one (unsigned long off) |
| 929 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 930 | volatile unsigned char *ctrl = (unsigned char *) (CFG_CAN_BASE + off); |
| 931 | volatile unsigned char *cpu_if = (unsigned char *) (CFG_CAN_BASE + off + 0x02); |
| 932 | volatile unsigned char *clkout = (unsigned char *) (CFG_CAN_BASE + off + 0x1f); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 933 | unsigned char temp; |
| 934 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 935 | *cpu_if = 0x45; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 936 | temp = *ctrl; |
| 937 | temp |= 0x40; |
| 938 | *ctrl = temp; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 939 | *clkout = 0x20; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 940 | temp = *ctrl; |
| 941 | temp &= ~0x40; |
| 942 | *ctrl = temp; |
| 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | static int can_config (void) |
| 947 | { |
| 948 | int ret = 0; |
| 949 | can_config_one (0); |
| 950 | if (hwinf.can == 2) { |
| 951 | can_config_one (0x100); |
| 952 | } |
| 953 | /* make Test if they really there */ |
| 954 | ret += can_test (0); |
| 955 | ret += can_test (0x100); |
| 956 | return ret; |
| 957 | } |
| 958 | |
| 959 | static int init_can (void) |
| 960 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 961 | volatile immap_t * immr = (immap_t *)CFG_IMMR; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 962 | volatile memctl8260_t *memctl = &immr->im_memctl; |
| 963 | int count = 0; |
| 964 | |
| 965 | if ((hwinf.OK) && (hwinf.can)) { |
| 966 | memctl->memc_or4 = CFG_CAN_OR; |
| 967 | memctl->memc_br4 = CFG_CAN_BR; |
| 968 | /* upm Init */ |
| 969 | upmconfig (UPMC, (uint *) upmTableFast, |
| 970 | sizeof (upmTableFast) / sizeof (uint)); |
| 971 | memctl->memc_mcmr = (MxMR_DSx_3_CYCL | |
| 972 | MxMR_GPL_x4DIS | |
| 973 | MxMR_RLFx_2X | |
| 974 | MxMR_WLFx_2X | |
| 975 | MxMR_OP_NORM); |
| 976 | /* can configure */ |
| 977 | count = can_config (); |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 978 | printf ("CAN: %d @ %x\n", count, CFG_CAN_BASE); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 979 | if (hwinf.can != count) printf("!!! difference to HWIB\n"); |
| 980 | } else { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 981 | printf ("CAN: No\n"); |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 982 | } |
| 983 | return 0; |
| 984 | } |
| 985 | |
| 986 | int board_early_init_r(void) |
| 987 | { |
| 988 | analyse_hwib (); |
| 989 | init_can (); |
| 990 | return 0; |
| 991 | } |
| 992 | #endif |
| 993 | |
| 994 | int do_hwib_dump (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| 995 | { |
| 996 | dump_hwib (); |
| 997 | return 0; |
| 998 | } |
| 999 | |
| 1000 | U_BOOT_CMD( |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1001 | hwib, 1, 1, do_hwib_dump, |
| 1002 | "hwib - dump HWIB'\n", |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1003 | "\n" |
| 1004 | ); |
| 1005 | |
| 1006 | #ifdef CFG_UPDATE_FLASH_SIZE |
| 1007 | static int get_flash_timing (void) |
| 1008 | { |
| 1009 | /* get it from the option -tf in CIB */ |
| 1010 | /* default is 0x00000c84 */ |
| 1011 | int ret = 0x00000c84; |
| 1012 | int pos = 0; |
| 1013 | int nr = 0; |
| 1014 | char *p = (char *) CIB_INFO_START_ADDR; |
| 1015 | |
| 1016 | while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| 1017 | if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| 1018 | return ret; |
| 1019 | } |
| 1020 | if (*p == '-') { |
| 1021 | if ((p[1] == 't') && (p[2] == 'f')) { |
| 1022 | p += 6; |
| 1023 | ret = 0; |
| 1024 | while (nr < 8) { |
| 1025 | if ((*p >= '0') && (*p <= '9')) { |
| 1026 | ret *= 0x10; |
| 1027 | ret += *p - '0'; |
| 1028 | p += 1; |
| 1029 | nr ++; |
| 1030 | } else if ((*p >= 'A') && (*p <= 'F')) { |
| 1031 | ret *= 10; |
| 1032 | ret += *p - '7'; |
| 1033 | p += 1; |
| 1034 | nr ++; |
| 1035 | } else { |
| 1036 | if (nr < 8) return 0x00000c84; |
| 1037 | return ret; |
| 1038 | } |
| 1039 | } |
| 1040 | } |
| 1041 | } |
| 1042 | p++; |
| 1043 | pos++; |
| 1044 | } |
| 1045 | return ret; |
| 1046 | } |
| 1047 | |
| 1048 | /* Update the Flash_Size and the Flash Timing */ |
| 1049 | int update_flash_size (int flash_size) |
| 1050 | { |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1051 | volatile immap_t * immr = (immap_t *)CFG_IMMR; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1052 | volatile memctl8260_t *memctl = &immr->im_memctl; |
| 1053 | unsigned long reg; |
| 1054 | unsigned long tim; |
| 1055 | |
| 1056 | /* I must use reg, otherwise the board hang */ |
| 1057 | reg = memctl->memc_or0; |
| 1058 | reg &= ~ORxU_AM_MSK; |
| 1059 | reg |= MEG_TO_AM(flash_size >> 20); |
| 1060 | tim = get_flash_timing (); |
| 1061 | reg &= ~0xfff; |
| 1062 | reg |= (tim & 0xfff); |
| 1063 | memctl->memc_or0 = reg; |
| 1064 | return 0; |
| 1065 | } |
| 1066 | #endif |
| 1067 | |
Jon Loeliger | e11c123 | 2007-07-09 18:45:16 -0500 | [diff] [blame] | 1068 | #if defined(CONFIG_CMD_NAND) |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1069 | |
| 1070 | #include <nand.h> |
| 1071 | #include <linux/mtd/mtd.h> |
| 1072 | |
| 1073 | static u8 hwctl = 0; |
| 1074 | |
| 1075 | static void upmnand_hwcontrol(struct mtd_info *mtdinfo, int cmd) |
| 1076 | { |
| 1077 | switch (cmd) { |
| 1078 | case NAND_CTL_SETCLE: |
| 1079 | hwctl |= 0x1; |
| 1080 | break; |
| 1081 | case NAND_CTL_CLRCLE: |
| 1082 | hwctl &= ~0x1; |
| 1083 | break; |
| 1084 | |
| 1085 | case NAND_CTL_SETALE: |
| 1086 | hwctl |= 0x2; |
| 1087 | break; |
| 1088 | |
| 1089 | case NAND_CTL_CLRALE: |
| 1090 | hwctl &= ~0x2; |
| 1091 | break; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte) |
| 1096 | { |
| 1097 | struct nand_chip *this = mtdinfo->priv; |
| 1098 | ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| 1099 | |
| 1100 | if (hwctl & 0x1) { |
| 1101 | WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS); |
| 1102 | } else if (hwctl & 0x2) { |
| 1103 | WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS); |
| 1104 | } else { |
| 1105 | WRITE_NAND(byte, base); |
| 1106 | } |
| 1107 | } |
| 1108 | |
| 1109 | static u_char upmnand_read_byte(struct mtd_info *mtdinfo) |
| 1110 | { |
| 1111 | struct nand_chip *this = mtdinfo->priv; |
| 1112 | ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| 1113 | |
| 1114 | return READ_NAND(base); |
| 1115 | } |
| 1116 | |
| 1117 | static int tqm8272_dev_ready(struct mtd_info *mtdinfo) |
| 1118 | { |
| 1119 | /* constant delay (see also tR in the datasheet) */ |
| 1120 | udelay(12); \ |
| 1121 | return 1; |
| 1122 | } |
| 1123 | |
| 1124 | #ifndef CONFIG_NAND_SPL |
| 1125 | static void tqm8272_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len) |
| 1126 | { |
| 1127 | struct nand_chip *this = mtdinfo->priv; |
| 1128 | unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| 1129 | int i; |
| 1130 | |
| 1131 | for (i = 0; i< len; i++) |
| 1132 | buf[i] = *base; |
| 1133 | } |
| 1134 | |
| 1135 | static void tqm8272_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len) |
| 1136 | { |
| 1137 | struct nand_chip *this = mtdinfo->priv; |
| 1138 | unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| 1139 | int i; |
| 1140 | |
| 1141 | for (i = 0; i< len; i++) |
| 1142 | *base = buf[i]; |
| 1143 | } |
| 1144 | |
| 1145 | static int tqm8272_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len) |
| 1146 | { |
| 1147 | struct nand_chip *this = mtdinfo->priv; |
| 1148 | unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| 1149 | int i; |
| 1150 | |
| 1151 | for (i = 0; i < len; i++) |
| 1152 | if (buf[i] != *base) |
| 1153 | return -1; |
| 1154 | return 0; |
| 1155 | } |
| 1156 | #endif /* #ifndef CONFIG_NAND_SPL */ |
| 1157 | |
| 1158 | void board_nand_select_device(struct nand_chip *nand, int chip) |
| 1159 | { |
| 1160 | chipsel = chip; |
| 1161 | } |
| 1162 | |
| 1163 | int board_nand_init(struct nand_chip *nand) |
| 1164 | { |
| 1165 | static int UpmInit = 0; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1166 | volatile immap_t * immr = (immap_t *)CFG_IMMR; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1167 | volatile memctl8260_t *memctl = &immr->im_memctl; |
| 1168 | |
| 1169 | if (hwinf.nand == 0) return -1; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1170 | |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1171 | /* Setup the UPM */ |
| 1172 | if (UpmInit == 0) { |
| 1173 | switch (hwinf.busclk_real) { |
| 1174 | case 100000000: |
| 1175 | upmconfig (UPMB, (uint *) upmTable100, |
| 1176 | sizeof (upmTable100) / sizeof (uint)); |
| 1177 | break; |
| 1178 | case 133333333: |
| 1179 | upmconfig (UPMB, (uint *) upmTable133, |
| 1180 | sizeof (upmTable133) / sizeof (uint)); |
| 1181 | break; |
| 1182 | default: |
| 1183 | upmconfig (UPMB, (uint *) upmTable67, |
| 1184 | sizeof (upmTable67) / sizeof (uint)); |
| 1185 | break; |
| 1186 | } |
| 1187 | UpmInit = 1; |
| 1188 | } |
| 1189 | |
| 1190 | /* Setup the memctrl */ |
| 1191 | memctl->memc_or3 = CFG_NAND_OR; |
| 1192 | memctl->memc_br3 = CFG_NAND_BR; |
| 1193 | memctl->memc_mbmr = (MxMR_OP_NORM); |
| 1194 | |
| 1195 | nand->eccmode = NAND_ECC_SOFT; |
| 1196 | |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1197 | nand->hwcontrol = upmnand_hwcontrol; |
| 1198 | nand->read_byte = upmnand_read_byte; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1199 | nand->write_byte = upmnand_write_byte; |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1200 | nand->dev_ready = tqm8272_dev_ready; |
| 1201 | |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1202 | #ifndef CONFIG_NAND_SPL |
Wolfgang Denk | 52e9f30 | 2006-12-24 01:42:57 +0100 | [diff] [blame] | 1203 | nand->write_buf = tqm8272_write_buf; |
| 1204 | nand->read_buf = tqm8272_read_buf; |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1205 | nand->verify_buf = tqm8272_verify_buf; |
| 1206 | #endif |
| 1207 | |
| 1208 | /* |
| 1209 | * Select required NAND chip |
| 1210 | */ |
| 1211 | board_nand_select_device(nand, 0); |
| 1212 | return 0; |
| 1213 | } |
| 1214 | |
Jon Loeliger | 761ea74 | 2007-07-10 10:48:22 -0500 | [diff] [blame] | 1215 | #endif |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 1216 | |
| 1217 | #ifdef CONFIG_PCI |
| 1218 | struct pci_controller hose; |
| 1219 | |
| 1220 | int board_early_init_f (void) |
| 1221 | { |
| 1222 | volatile immap_t *immap = (immap_t *) CFG_IMMR; |
| 1223 | |
| 1224 | immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN; |
| 1225 | return 0; |
| 1226 | } |
| 1227 | |
| 1228 | extern void pci_mpc8250_init(struct pci_controller *); |
| 1229 | |
| 1230 | void pci_init_board(void) |
| 1231 | { |
| 1232 | pci_mpc8250_init(&hose); |
| 1233 | } |
| 1234 | #endif |