1 /* 2 * (C) Copyright 2010 Freescale Semiconductor, Inc. 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <asm/io.h> 25 #include <asm/arch/imx-regs.h> 26 #include <asm/arch/mx5x_pins.h> 27 #include <asm/arch/sys_proto.h> 28 #include <asm/arch/crm_regs.h> 29 #include <asm/arch/iomux.h> 30 #include <asm/errno.h> 31 #include <netdev.h> 32 #include <i2c.h> 33 #include <mmc.h> 34 #include <fsl_esdhc.h> 35 #include <pmic.h> 36 #include <fsl_pmic.h> 37 #include <asm/gpio.h> 38 #include <mc13892.h> 39 40 DECLARE_GLOBAL_DATA_PTR; 41 42 int dram_init(void) 43 { 44 /* dram_init must store complete ramsize in gd->ram_size */ 45 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 46 PHYS_SDRAM_1_SIZE); 47 return 0; 48 } 49 50 static void setup_iomux_uart(void) 51 { 52 /* UART1 RXD */ 53 mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2); 54 mxc_iomux_set_pad(MX53_PIN_CSI0_D11, 55 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 56 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 57 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU | 58 PAD_CTL_ODE_OPENDRAIN_ENABLE); 59 mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1); 60 61 /* UART1 TXD */ 62 mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2); 63 mxc_iomux_set_pad(MX53_PIN_CSI0_D10, 64 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 65 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 66 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU | 67 PAD_CTL_ODE_OPENDRAIN_ENABLE); 68 } 69 70 static void setup_i2c(unsigned int port_number) 71 { 72 switch (port_number) { 73 case 0: 74 /* i2c1 SDA */ 75 mxc_request_iomux(MX53_PIN_CSI0_D8, 76 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION); 77 mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT, 78 INPUT_CTL_PATH0); 79 mxc_iomux_set_pad(MX53_PIN_CSI0_D8, 80 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | 81 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE | 82 PAD_CTL_ODE_OPENDRAIN_ENABLE); 83 /* i2c1 SCL */ 84 mxc_request_iomux(MX53_PIN_CSI0_D9, 85 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION); 86 mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT, 87 INPUT_CTL_PATH0); 88 mxc_iomux_set_pad(MX53_PIN_CSI0_D9, 89 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | 90 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE | 91 PAD_CTL_ODE_OPENDRAIN_ENABLE); 92 break; 93 case 1: 94 /* i2c2 SDA */ 95 mxc_request_iomux(MX53_PIN_KEY_ROW3, 96 IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION); 97 mxc_iomux_set_input(MX53_I2C2_IPP_SDA_IN_SELECT_INPUT, 98 INPUT_CTL_PATH0); 99 mxc_iomux_set_pad(MX53_PIN_KEY_ROW3, 100 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | 101 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE | 102 PAD_CTL_ODE_OPENDRAIN_ENABLE); 103 104 /* i2c2 SCL */ 105 mxc_request_iomux(MX53_PIN_KEY_COL3, 106 IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION); 107 mxc_iomux_set_input(MX53_I2C2_IPP_SCL_IN_SELECT_INPUT, 108 INPUT_CTL_PATH0); 109 mxc_iomux_set_pad(MX53_PIN_KEY_COL3, 110 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | 111 PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE | 112 PAD_CTL_ODE_OPENDRAIN_ENABLE); 113 break; 114 default: 115 printf("Warning: Wrong I2C port number\n"); 116 break; 117 } 118 } 119 120 void power_init(void) 121 { 122 unsigned int val; 123 struct pmic *p; 124 125 pmic_init(); 126 p = get_pmic(); 127 128 /* Set VDDA to 1.25V */ 129 pmic_reg_read(p, REG_SW_2, &val); 130 val &= ~SWX_OUT_MASK; 131 val |= SWX_OUT_1_25; 132 pmic_reg_write(p, REG_SW_2, val); 133 134 /* 135 * Need increase VCC and VDDA to 1.3V 136 * according to MX53 IC TO2 datasheet. 137 */ 138 if (is_soc_rev(CHIP_REV_2_0) == 0) { 139 /* Set VCC to 1.3V for TO2 */ 140 pmic_reg_read(p, REG_SW_1, &val); 141 val &= ~SWX_OUT_MASK; 142 val |= SWX_OUT_1_30; 143 pmic_reg_write(p, REG_SW_1, val); 144 145 /* Set VDDA to 1.3V for TO2 */ 146 pmic_reg_read(p, REG_SW_2, &val); 147 val &= ~SWX_OUT_MASK; 148 val |= SWX_OUT_1_30; 149 pmic_reg_write(p, REG_SW_2, val); 150 } 151 } 152 153 static void setup_iomux_fec(void) 154 { 155 /*FEC_MDIO*/ 156 mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0); 157 mxc_iomux_set_pad(MX53_PIN_FEC_MDIO, 158 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 159 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 160 PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE); 161 mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1); 162 163 /*FEC_MDC*/ 164 mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0); 165 mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH); 166 167 /* FEC RXD1 */ 168 mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0); 169 mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, 170 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE); 171 172 /* FEC RXD0 */ 173 mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0); 174 mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, 175 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE); 176 177 /* FEC TXD1 */ 178 mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0); 179 mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH); 180 181 /* FEC TXD0 */ 182 mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0); 183 mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH); 184 185 /* FEC TX_EN */ 186 mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0); 187 mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH); 188 189 /* FEC TX_CLK */ 190 mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0); 191 mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, 192 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE); 193 194 /* FEC RX_ER */ 195 mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0); 196 mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, 197 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE); 198 199 /* FEC CRS */ 200 mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0); 201 mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, 202 PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE); 203 } 204 205 #ifdef CONFIG_FSL_ESDHC 206 struct fsl_esdhc_cfg esdhc_cfg[2] = { 207 {MMC_SDHC1_BASE_ADDR, 1}, 208 {MMC_SDHC3_BASE_ADDR, 1}, 209 }; 210 211 int board_mmc_getcd(struct mmc *mmc) 212 { 213 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 214 int ret; 215 216 mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1); 217 gpio_direction_input(75); 218 mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1); 219 gpio_direction_input(77); 220 221 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) 222 ret = !gpio_get_value(77); /* GPIO3_13 */ 223 else 224 ret = !gpio_get_value(75); /* GPIO3_11 */ 225 226 return ret; 227 } 228 229 int board_mmc_init(bd_t *bis) 230 { 231 u32 index; 232 s32 status = 0; 233 234 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { 235 switch (index) { 236 case 0: 237 mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0); 238 mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0); 239 mxc_request_iomux(MX53_PIN_SD1_DATA0, 240 IOMUX_CONFIG_ALT0); 241 mxc_request_iomux(MX53_PIN_SD1_DATA1, 242 IOMUX_CONFIG_ALT0); 243 mxc_request_iomux(MX53_PIN_SD1_DATA2, 244 IOMUX_CONFIG_ALT0); 245 mxc_request_iomux(MX53_PIN_SD1_DATA3, 246 IOMUX_CONFIG_ALT0); 247 mxc_request_iomux(MX53_PIN_EIM_DA13, 248 IOMUX_CONFIG_ALT1); 249 250 mxc_iomux_set_pad(MX53_PIN_SD1_CMD, 251 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 252 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 253 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU); 254 mxc_iomux_set_pad(MX53_PIN_SD1_CLK, 255 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 256 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | 257 PAD_CTL_DRV_HIGH); 258 mxc_iomux_set_pad(MX53_PIN_SD1_DATA0, 259 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 260 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 261 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 262 mxc_iomux_set_pad(MX53_PIN_SD1_DATA1, 263 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 264 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 265 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 266 mxc_iomux_set_pad(MX53_PIN_SD1_DATA2, 267 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 268 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 269 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 270 mxc_iomux_set_pad(MX53_PIN_SD1_DATA3, 271 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 272 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 273 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 274 break; 275 case 1: 276 mxc_request_iomux(MX53_PIN_ATA_RESET_B, 277 IOMUX_CONFIG_ALT2); 278 mxc_request_iomux(MX53_PIN_ATA_IORDY, 279 IOMUX_CONFIG_ALT2); 280 mxc_request_iomux(MX53_PIN_ATA_DATA8, 281 IOMUX_CONFIG_ALT4); 282 mxc_request_iomux(MX53_PIN_ATA_DATA9, 283 IOMUX_CONFIG_ALT4); 284 mxc_request_iomux(MX53_PIN_ATA_DATA10, 285 IOMUX_CONFIG_ALT4); 286 mxc_request_iomux(MX53_PIN_ATA_DATA11, 287 IOMUX_CONFIG_ALT4); 288 mxc_request_iomux(MX53_PIN_ATA_DATA0, 289 IOMUX_CONFIG_ALT4); 290 mxc_request_iomux(MX53_PIN_ATA_DATA1, 291 IOMUX_CONFIG_ALT4); 292 mxc_request_iomux(MX53_PIN_ATA_DATA2, 293 IOMUX_CONFIG_ALT4); 294 mxc_request_iomux(MX53_PIN_ATA_DATA3, 295 IOMUX_CONFIG_ALT4); 296 mxc_request_iomux(MX53_PIN_EIM_DA11, 297 IOMUX_CONFIG_ALT1); 298 299 mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B, 300 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 301 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 302 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU); 303 mxc_iomux_set_pad(MX53_PIN_ATA_IORDY, 304 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 305 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | 306 PAD_CTL_DRV_HIGH); 307 mxc_iomux_set_pad(MX53_PIN_ATA_DATA8, 308 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 309 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 310 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 311 mxc_iomux_set_pad(MX53_PIN_ATA_DATA9, 312 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 313 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 314 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 315 mxc_iomux_set_pad(MX53_PIN_ATA_DATA10, 316 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 317 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 318 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 319 mxc_iomux_set_pad(MX53_PIN_ATA_DATA11, 320 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 321 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 322 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 323 mxc_iomux_set_pad(MX53_PIN_ATA_DATA0, 324 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 325 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 326 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 327 mxc_iomux_set_pad(MX53_PIN_ATA_DATA1, 328 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 329 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 330 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 331 mxc_iomux_set_pad(MX53_PIN_ATA_DATA2, 332 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 333 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 334 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 335 mxc_iomux_set_pad(MX53_PIN_ATA_DATA3, 336 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | 337 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | 338 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU); 339 340 break; 341 default: 342 printf("Warning: you configured more ESDHC controller" 343 "(%d) as supported by the board(2)\n", 344 CONFIG_SYS_FSL_ESDHC_NUM); 345 return status; 346 } 347 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]); 348 } 349 350 return status; 351 } 352 #endif 353 354 int board_early_init_f(void) 355 { 356 setup_iomux_uart(); 357 setup_iomux_fec(); 358 359 return 0; 360 } 361 362 int board_init(void) 363 { 364 /* address of boot parameters */ 365 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 366 367 return 0; 368 } 369 370 int board_late_init(void) 371 { 372 setup_i2c(1); 373 power_init(); 374 375 return 0; 376 } 377 378 int checkboard(void) 379 { 380 puts("Board: MX53EVK\n"); 381 382 return 0; 383 } 384