Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2008 |
| 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 |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 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 <mpc8260.h> |
| 26 | #include <ioports.h> |
| 27 | |
| 28 | #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) |
| 29 | #include <libfdt.h> |
| 30 | #endif |
| 31 | |
| 32 | /* |
| 33 | * I/O Port configuration table |
| 34 | * |
| 35 | * if conf is 1, then that port pin will be configured at boot time |
| 36 | * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| 37 | */ |
| 38 | const iop_conf_t iop_conf_tab[4][32] = { |
| 39 | |
| 40 | /* Port A */ |
| 41 | { /* conf ppar psor pdir podr pdat */ |
| 42 | /* PA31 */ { 0, 0, 0, 0, 0, 0 }, /* PA31 */ |
| 43 | /* PA30 */ { 0, 0, 0, 0, 0, 0 }, /* PA30 */ |
| 44 | /* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXER */ |
| 45 | /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXEN */ |
| 46 | /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXDV */ |
| 47 | /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXER */ |
| 48 | /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_PWRDWN */ |
| 49 | /* PA24 */ { 1, 0, 0, 1, 0, 1 }, /* ETH_RESET */ |
| 50 | /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ |
| 51 | /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ |
| 52 | /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD3 */ |
| 53 | /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD2 */ |
| 54 | /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD1 */ |
| 55 | /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD0 */ |
| 56 | /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD0 */ |
| 57 | /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD1 */ |
| 58 | /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD2 */ |
| 59 | /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD3 */ |
| 60 | /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ |
| 61 | /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_SLEEP */ |
| 62 | /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ |
| 63 | /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* MDIO */ |
| 64 | /* PA9 */ { 1, 0, 0, 1, 0, 0 }, /* MDC */ |
| 65 | /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RxD */ |
| 66 | /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */ |
| 67 | /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ |
| 68 | /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */ |
| 69 | /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */ |
| 70 | /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */ |
| 71 | /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */ |
| 72 | /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ |
| 73 | /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */ |
| 74 | }, |
| 75 | |
| 76 | /* Port B */ |
| 77 | { /* conf ppar psor pdir podr pdat */ |
| 78 | /* PB31 */ { 0, 0, 0, 0, 0, 0 }, /* PB31 */ |
| 79 | /* PB30 */ { 0, 0, 0, 0, 0, 0 }, /* PB30 */ |
| 80 | /* PB29 */ { 0, 0, 0, 0, 0, 0 }, /* PB29 */ |
| 81 | /* PB28 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TxD */ |
| 82 | /* PB27 */ { 0, 0, 0, 0, 0, 0 }, /* PB27 */ |
| 83 | /* PB26 */ { 0, 0, 0, 0, 0, 0 }, /* PB26 */ |
| 84 | /* PB25 */ { 0, 0, 0, 0, 0, 0 }, /* PB25 */ |
| 85 | /* PB24 */ { 0, 0, 0, 0, 0, 0 }, /* PB24 */ |
| 86 | /* PB23 */ { 0, 0, 0, 0, 0, 0 }, /* PB23 */ |
| 87 | /* PB22 */ { 0, 0, 0, 0, 0, 0 }, /* PB22 */ |
| 88 | /* PB21 */ { 0, 0, 0, 0, 0, 0 }, /* PB21 */ |
| 89 | /* PB20 */ { 0, 0, 0, 0, 0, 0 }, /* PB20 */ |
| 90 | /* PB19 */ { 0, 0, 0, 0, 0, 0 }, /* PB19 */ |
| 91 | /* PB18 */ { 0, 0, 0, 0, 0, 0 }, /* PB18 */ |
| 92 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 93 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 94 | /* PB15 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */ |
| 95 | /* PB14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RxD */ |
| 96 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 97 | /* PB12 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */ |
| 98 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 99 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 100 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 101 | /* PB8 */ { 1, 1, 1, 1, 0, 0 }, /* SCC3 TxD */ |
| 102 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 103 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 104 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 105 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 106 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 107 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 108 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 109 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| 110 | }, |
| 111 | |
| 112 | /* Port C */ |
| 113 | { /* conf ppar psor pdir podr pdat */ |
| 114 | /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ |
| 115 | /* PC30 */ { 1, 1, 1, 1, 0, 0 }, /* Timer1 OUT */ |
| 116 | /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ |
| 117 | /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ |
| 118 | /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ |
| 119 | /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ |
| 120 | /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ |
| 121 | /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ |
| 122 | /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ |
| 123 | /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */ |
| 124 | /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC RxCLK 11 */ |
| 125 | /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC TxCLK 12 */ |
| 126 | /* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */ |
| 127 | /* PC18 */ { 0, 0, 0, 0, 0, 0 }, /* PC18 */ |
| 128 | /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */ |
| 129 | /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */ |
| 130 | /* PC15 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TxD */ |
| 131 | /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ |
| 132 | /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */ |
| 133 | /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW1 */ |
| 134 | /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW0 */ |
| 135 | /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ |
| 136 | /* PC9 */ { 1, 0, 0, 1, 0, 1 }, /* SPA_TX_EN */ |
| 137 | /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */ |
| 138 | /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ |
| 139 | /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ |
| 140 | /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ |
| 141 | /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ |
| 142 | /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ |
| 143 | /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ |
| 144 | /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ |
| 145 | /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ |
| 146 | }, |
| 147 | |
| 148 | /* Port D */ |
| 149 | { /* conf ppar psor pdir podr pdat */ |
| 150 | /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RxD */ |
| 151 | /* PD30 */ { 0, 0, 0, 0, 0, 0 }, /* PD30 */ |
| 152 | /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */ |
| 153 | /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */ |
| 154 | /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */ |
| 155 | /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */ |
| 156 | /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */ |
| 157 | /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */ |
| 158 | /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */ |
| 159 | /* PD22 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: RXD */ |
| 160 | /* PD21 */ { 1, 1, 0, 1, 0, 0 }, /* SCC4: TXD */ |
| 161 | /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */ |
| 162 | /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */ |
| 163 | /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */ |
| 164 | /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */ |
| 165 | /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */ |
Heiko Schocher | 0b7c563 | 2008-09-10 11:15:28 +0200 | [diff] [blame] | 166 | #if defined(CONFIG_HARD_I2C) |
| 167 | /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| 168 | /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| 169 | #else |
| 170 | /* PD15 */ { 1, 0, 0, 0, 1, 1 }, /* PD15 */ |
| 171 | /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* PD14 */ |
| 172 | #endif |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 173 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| 174 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| 175 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| 176 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| 177 | /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TxD */ |
| 178 | /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RxD */ |
| 179 | /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */ |
| 180 | /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */ |
| 181 | /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */ |
| 182 | /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */ |
| 183 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 184 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 185 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| 186 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| 187 | } |
| 188 | }; |
| 189 | |
| 190 | /* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx |
| 191 | * |
| 192 | * This routine performs standard 8260 initialization sequence |
| 193 | * and calculates the available memory size. It may be called |
| 194 | * several times to try different SDRAM configurations on both |
| 195 | * 60x and local buses. |
| 196 | */ |
| 197 | static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, |
| 198 | ulong orx, volatile uchar * base) |
| 199 | { |
| 200 | volatile uchar c = 0xff; |
| 201 | volatile uint *sdmr_ptr; |
| 202 | volatile uint *orx_ptr; |
| 203 | ulong maxsize, size; |
| 204 | int i; |
| 205 | |
| 206 | /* We must be able to test a location outsize the maximum legal size |
| 207 | * to find out THAT we are outside; but this address still has to be |
| 208 | * mapped by the controller. That means, that the initial mapping has |
| 209 | * to be (at least) twice as large as the maximum expected size. |
| 210 | */ |
| 211 | maxsize = (1 + (~orx | 0x7fff))/* / 2*/; |
| 212 | |
| 213 | sdmr_ptr = &memctl->memc_psdmr; |
| 214 | orx_ptr = &memctl->memc_or1; |
| 215 | |
| 216 | *orx_ptr = orx; |
| 217 | |
| 218 | /* |
| 219 | * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): |
| 220 | * |
| 221 | * "At system reset, initialization software must set up the |
| 222 | * programmable parameters in the memory controller banks registers |
| 223 | * (ORx, BRx, P/LSDMR). After all memory parameters are configured, |
| 224 | * system software should execute the following initialization sequence |
| 225 | * for each SDRAM device. |
| 226 | * |
| 227 | * 1. Issue a PRECHARGE-ALL-BANKS command |
| 228 | * 2. Issue eight CBR REFRESH commands |
| 229 | * 3. Issue a MODE-SET command to initialize the mode register |
| 230 | * |
| 231 | * The initial commands are executed by setting P/LSDMR[OP] and |
| 232 | * accessing the SDRAM with a single-byte transaction." |
| 233 | * |
| 234 | * The appropriate BRx/ORx registers have already been set when we |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 235 | * get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE. |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 236 | */ |
| 237 | |
| 238 | *sdmr_ptr = sdmr | PSDMR_OP_PREA; |
| 239 | *base = c; |
| 240 | |
| 241 | *sdmr_ptr = sdmr | PSDMR_OP_CBRR; |
| 242 | for (i = 0; i < 8; i++) |
| 243 | *base = c; |
| 244 | |
| 245 | *sdmr_ptr = sdmr | PSDMR_OP_MRW; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 246 | *(base + CONFIG_SYS_MRS_OFFS) = c; /* setting MR on address lines */ |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 247 | |
| 248 | *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| 249 | *base = c; |
| 250 | |
| 251 | size = get_ram_size ((long *)base, maxsize); |
| 252 | *orx_ptr = orx | ~(size - 1); |
| 253 | |
| 254 | return (size); |
| 255 | } |
| 256 | |
| 257 | phys_size_t initdram (int board_type) |
| 258 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 259 | volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 260 | volatile memctl8260_t *memctl = &immap->im_memctl; |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 261 | long psize; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 262 | #ifndef CONFIG_SYS_RAMBOOT |
Heiko Schocher | a55d074 | 2008-09-08 10:19:36 +0200 | [diff] [blame] | 263 | long sizelittle, sizebig; |
| 264 | #endif |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 265 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 266 | memctl->memc_psrt = CONFIG_SYS_PSRT; |
| 267 | memctl->memc_mptpr = CONFIG_SYS_MPTPR; |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 268 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 269 | #ifndef CONFIG_SYS_RAMBOOT |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 270 | /* 60x SDRAM setup: |
| 271 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 272 | sizelittle = try_init (memctl, CONFIG_SYS_PSDMR_LITTLE, CONFIG_SYS_OR1_LITTLE, |
| 273 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
| 274 | sizebig = try_init (memctl, CONFIG_SYS_PSDMR_BIG, CONFIG_SYS_OR1_BIG, |
| 275 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
Heiko Schocher | a55d074 | 2008-09-08 10:19:36 +0200 | [diff] [blame] | 276 | if (sizelittle < sizebig) { |
| 277 | psize = sizebig; |
| 278 | } else { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 279 | psize = try_init (memctl, CONFIG_SYS_PSDMR_LITTLE, CONFIG_SYS_OR1_LITTLE, |
| 280 | (uchar *) CONFIG_SYS_SDRAM_BASE); |
Heiko Schocher | a55d074 | 2008-09-08 10:19:36 +0200 | [diff] [blame] | 281 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 282 | #endif /* CONFIG_SYS_RAMBOOT */ |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 283 | |
| 284 | icache_enable (); |
| 285 | |
| 286 | return (psize); |
| 287 | } |
| 288 | |
| 289 | int checkboard (void) |
| 290 | { |
| 291 | puts ("Board: MUAS3001\n"); |
| 292 | |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | /* |
| 297 | * Early board initalization. |
| 298 | */ |
| 299 | int board_early_init_r (void) |
| 300 | { |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) |
| 305 | /* |
| 306 | * update "memory" property in the blob |
| 307 | */ |
| 308 | void ft_blob_update (void *blob, bd_t *bd) |
| 309 | { |
| 310 | int ret, nodeoffset = 0; |
| 311 | ulong memory_data[2] = {0}; |
| 312 | ulong flash_data[4] = {0}; |
| 313 | ulong freq = 0; |
| 314 | ulong speed = 0; |
| 315 | |
| 316 | memory_data[0] = cpu_to_be32 (bd->bi_memstart); |
| 317 | memory_data[1] = cpu_to_be32 (bd->bi_memsize); |
| 318 | |
| 319 | nodeoffset = fdt_path_offset (blob, "/memory"); |
| 320 | if (nodeoffset >= 0) { |
| 321 | ret = fdt_setprop (blob, nodeoffset, "reg", memory_data, |
| 322 | sizeof(memory_data)); |
| 323 | if (ret < 0) |
| 324 | printf ("ft_blob_update): cannot set /memory/reg " |
| 325 | "property err:%s\n", fdt_strerror (ret)); |
| 326 | } else { |
| 327 | /* memory node is required in dts */ |
| 328 | printf ("ft_blob_update(): cannot find /memory node " |
| 329 | "err:%s\n", fdt_strerror(nodeoffset)); |
| 330 | } |
| 331 | /* update Flash addr, size */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 332 | flash_data[2] = cpu_to_be32 (CONFIG_SYS_FLASH_BASE); |
| 333 | flash_data[3] = cpu_to_be32 (CONFIG_SYS_FLASH_SIZE); |
Heiko Schocher | adf22b6 | 2008-08-19 10:08:49 +0200 | [diff] [blame] | 334 | nodeoffset = fdt_path_offset (blob, "/localbus"); |
| 335 | if (nodeoffset >= 0) { |
| 336 | ret = fdt_setprop (blob, nodeoffset, "ranges", flash_data, |
| 337 | sizeof (flash_data)); |
| 338 | if (ret < 0) |
| 339 | printf ("ft_blob_update): cannot set /localbus/ranges " |
| 340 | "property err:%s\n", fdt_strerror(ret)); |
| 341 | } else { |
| 342 | /* memory node is required in dts */ |
| 343 | printf ("ft_blob_update(): cannot find /localbus node " |
| 344 | "err:%s\n", fdt_strerror (nodeoffset)); |
| 345 | } |
| 346 | /* MAC Adresse */ |
| 347 | nodeoffset = fdt_path_offset (blob, "/soc/cpm/ethernet"); |
| 348 | if (nodeoffset >= 0) { |
| 349 | ret = fdt_setprop (blob, nodeoffset, "mac-address", bd->bi_enetaddr, |
| 350 | sizeof (uchar) * 6); |
| 351 | if (ret < 0) |
| 352 | printf ("ft_blob_update): cannot set /soc/cpm/ethernet/mac-address " |
| 353 | "property err:%s\n", fdt_strerror (ret)); |
| 354 | } else { |
| 355 | /* memory node is required in dts */ |
| 356 | printf ("ft_blob_update(): cannot find /soc/cpm/ethernet node " |
| 357 | "err:%s\n", fdt_strerror (nodeoffset)); |
| 358 | } |
| 359 | |
| 360 | /* brg clock */ |
| 361 | nodeoffset = fdt_path_offset (blob, "/soc/cpm/brg"); |
| 362 | if (nodeoffset >= 0) { |
| 363 | freq = cpu_to_be32 (bd->bi_brgfreq); |
| 364 | ret = fdt_setprop (blob, nodeoffset, "clock-frequency", &freq, |
| 365 | sizeof (unsigned long)); |
| 366 | if (ret < 0) |
| 367 | printf ("ft_blob_update): cannot set /soc/cpm/brg/clock-frequency " |
| 368 | "property err:%s\n", fdt_strerror (ret)); |
| 369 | } else { |
| 370 | /* memory node is required in dts */ |
| 371 | printf ("ft_blob_update(): cannot find /soc/cpm/brg/clock-frequency node " |
| 372 | "err:%s\n", fdt_strerror (nodeoffset)); |
| 373 | } |
| 374 | |
| 375 | /* baudrate */ |
| 376 | nodeoffset = fdt_path_offset (blob, "/soc/cpm/serial"); |
| 377 | if (nodeoffset >= 0) { |
| 378 | speed = cpu_to_be32 (bd->bi_baudrate); |
| 379 | ret = fdt_setprop (blob, nodeoffset, "current-speed", &speed, |
| 380 | sizeof (unsigned long)); |
| 381 | if (ret < 0) |
| 382 | printf ("ft_blob_update): cannot set /soc/cpm/serial/current-speed " |
| 383 | "property err:%s\n", fdt_strerror (ret)); |
| 384 | } else { |
| 385 | /* baudrate is required in dts */ |
| 386 | printf ("ft_blob_update(): cannot find /soc/cpm/smc2/current-speed node " |
| 387 | "err:%s\n", fdt_strerror (nodeoffset)); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | void ft_board_setup (void *blob, bd_t *bd) |
| 392 | { |
| 393 | ft_cpu_setup (blob, bd); |
| 394 | ft_blob_update (blob, bd); |
| 395 | } |
| 396 | #endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */ |