board/freescale/mx53ard/mx53ard.c

   1 /*
   2  * (C) Copyright 2011 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 <mmc.h>
  33 #include <fsl_esdhc.h>
  34 #include <asm/gpio.h>
  35
  36 #define ETHERNET_INT            IMX_GPIO_NR(2, 31)
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 int dram_init(void)
  41 {
  42         u32 size1, size2;
  43
  44         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  45         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  46
  47         gd->ram_size = size1 + size2;
  48
  49         return 0;
  50 }
  51 void dram_init_banksize(void)
  52 {
  53         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  54         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  55
  56         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  57         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  58 }
  59
  60 static void setup_iomux_uart(void)
  61 {
  62         /* UART1 RXD */
  63         mxc_request_iomux(MX53_PIN_ATA_DMACK, IOMUX_CONFIG_ALT3);
  64         mxc_iomux_set_pad(MX53_PIN_ATA_DMACK,
  65                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
  66                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
  67                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
  68                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
  69         mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);
  70
  71         /* UART1 TXD */
  72         mxc_request_iomux(MX53_PIN_ATA_DIOW, IOMUX_CONFIG_ALT3);
  73         mxc_iomux_set_pad(MX53_PIN_ATA_DIOW,
  74                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
  75                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
  76                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
  77                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
  78 }
  79
  80 #ifdef CONFIG_FSL_ESDHC
  81 struct fsl_esdhc_cfg esdhc_cfg[2] = {
  82         {MMC_SDHC1_BASE_ADDR},
  83         {MMC_SDHC2_BASE_ADDR},
  84 };
  85
  86 int board_mmc_getcd(struct mmc *mmc)
  87 {
  88         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
  89         int ret;
  90
  91         mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
  92         gpio_direction_input(IMX_GPIO_NR(1, 1));
  93         mxc_request_iomux(MX53_PIN_GPIO_4, IOMUX_CONFIG_ALT1);
  94         gpio_direction_input(IMX_GPIO_NR(1, 4));
  95
  96         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
  97                 ret = !gpio_get_value(IMX_GPIO_NR(1, 1));
  98         else
  99                 ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
 100
 101         return ret;
 102 }
 103
 104 int board_mmc_init(bd_t *bis)
 105 {
 106         u32 index;
 107         s32 status = 0;
 108
 109         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 110                 switch (index) {
 111                 case 0:
 112                         mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
 113                         mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
 114                         mxc_request_iomux(MX53_PIN_SD1_DATA0,
 115                                                 IOMUX_CONFIG_ALT0);
 116                         mxc_request_iomux(MX53_PIN_SD1_DATA1,
 117                                                 IOMUX_CONFIG_ALT0);
 118                         mxc_request_iomux(MX53_PIN_SD1_DATA2,
 119                                                 IOMUX_CONFIG_ALT0);
 120                         mxc_request_iomux(MX53_PIN_SD1_DATA3,
 121                                                 IOMUX_CONFIG_ALT0);
 122
 123                         mxc_iomux_set_pad(MX53_PIN_SD1_CMD, 0x1E4);
 124                         mxc_iomux_set_pad(MX53_PIN_SD1_CLK, 0xD4);
 125                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA0, 0x1D4);
 126                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA1, 0x1D4);
 127                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA2, 0x1D4);
 128                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA3, 0x1D4);
 129                         break;
 130                 case 1:
 131                         mxc_request_iomux(MX53_PIN_SD2_CMD,
 132                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 133                         mxc_request_iomux(MX53_PIN_SD2_CLK,
 134                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 135                         mxc_request_iomux(MX53_PIN_SD2_DATA0,
 136                                                 IOMUX_CONFIG_ALT0);
 137                         mxc_request_iomux(MX53_PIN_SD2_DATA1,
 138                                                 IOMUX_CONFIG_ALT0);
 139                         mxc_request_iomux(MX53_PIN_SD2_DATA2,
 140                                                 IOMUX_CONFIG_ALT0);
 141                         mxc_request_iomux(MX53_PIN_SD2_DATA3,
 142                                                 IOMUX_CONFIG_ALT0);
 143                         mxc_request_iomux(MX53_PIN_ATA_DATA12,
 144                                                 IOMUX_CONFIG_ALT2);
 145                         mxc_request_iomux(MX53_PIN_ATA_DATA13,
 146                                                 IOMUX_CONFIG_ALT2);
 147                         mxc_request_iomux(MX53_PIN_ATA_DATA14,
 148                                                 IOMUX_CONFIG_ALT2);
 149                         mxc_request_iomux(MX53_PIN_ATA_DATA15,
 150                                                 IOMUX_CONFIG_ALT2);
 151
 152                         mxc_iomux_set_pad(MX53_PIN_SD2_CMD, 0x1E4);
 153                         mxc_iomux_set_pad(MX53_PIN_SD2_CLK, 0xD4);
 154                         mxc_iomux_set_pad(MX53_PIN_SD2_DATA0, 0x1D4);
 155                         mxc_iomux_set_pad(MX53_PIN_SD2_DATA1, 0x1D4);
 156                         mxc_iomux_set_pad(MX53_PIN_SD2_DATA2, 0x1D4);
 157                         mxc_iomux_set_pad(MX53_PIN_SD2_DATA3, 0x1D4);
 158                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA12, 0x1D4);
 159                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA13, 0x1D4);
 160                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA14, 0x1D4);
 161                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA15, 0x1D4);
 162                         break;
 163                 default:
 164                         printf("Warning: you configured more ESDHC controller"
 165                                 "(%d) as supported by the board(2)\n",
 166                                 CONFIG_SYS_FSL_ESDHC_NUM);
 167                         return status;
 168                 }
 169                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 170         }
 171
 172         return status;
 173 }
 174 #endif
 175
 176 static void weim_smc911x_iomux(void)
 177 {
 178         /* ETHERNET_INT as GPIO2_31 */
 179         mxc_request_iomux(MX53_PIN_EIM_EB3, IOMUX_CONFIG_ALT1);
 180         gpio_direction_input(ETHERNET_INT);
 181
 182         /* Data bus */
 183         mxc_request_iomux(MX53_PIN_EIM_D16, IOMUX_CONFIG_ALT0);
 184         mxc_iomux_set_pad(MX53_PIN_EIM_D16, 0xA4);
 185
 186         mxc_request_iomux(MX53_PIN_EIM_D17, IOMUX_CONFIG_ALT0);
 187         mxc_iomux_set_pad(MX53_PIN_EIM_D17, 0xA4);
 188
 189         mxc_request_iomux(MX53_PIN_EIM_D18, IOMUX_CONFIG_ALT0);
 190         mxc_iomux_set_pad(MX53_PIN_EIM_D18, 0xA4);
 191
 192         mxc_request_iomux(MX53_PIN_EIM_D19, IOMUX_CONFIG_ALT0);
 193         mxc_iomux_set_pad(MX53_PIN_EIM_D19, 0xA4);
 194
 195         mxc_request_iomux(MX53_PIN_EIM_D20, IOMUX_CONFIG_ALT0);
 196         mxc_iomux_set_pad(MX53_PIN_EIM_D20, 0xA4);
 197
 198         mxc_request_iomux(MX53_PIN_EIM_D21, IOMUX_CONFIG_ALT0);
 199         mxc_iomux_set_pad(MX53_PIN_EIM_D21, 0xA4);
 200
 201         mxc_request_iomux(MX53_PIN_EIM_D22, IOMUX_CONFIG_ALT0);
 202         mxc_iomux_set_pad(MX53_PIN_EIM_D22, 0xA4);
 203
 204         mxc_request_iomux(MX53_PIN_EIM_D23, IOMUX_CONFIG_ALT0);
 205         mxc_iomux_set_pad(MX53_PIN_EIM_D23, 0xA4);
 206
 207         mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT0);
 208         mxc_iomux_set_pad(MX53_PIN_EIM_D24, 0xA4);
 209
 210         mxc_request_iomux(MX53_PIN_EIM_D25, IOMUX_CONFIG_ALT0);
 211         mxc_iomux_set_pad(MX53_PIN_EIM_D25, 0xA4);
 212
 213         mxc_request_iomux(MX53_PIN_EIM_D26, IOMUX_CONFIG_ALT0);
 214         mxc_iomux_set_pad(MX53_PIN_EIM_D26, 0xA4);
 215
 216         mxc_request_iomux(MX53_PIN_EIM_D27, IOMUX_CONFIG_ALT0);
 217         mxc_iomux_set_pad(MX53_PIN_EIM_D27, 0xA4);
 218
 219         mxc_request_iomux(MX53_PIN_EIM_D28, IOMUX_CONFIG_ALT0);
 220         mxc_iomux_set_pad(MX53_PIN_EIM_D28, 0xA4);
 221
 222         mxc_request_iomux(MX53_PIN_EIM_D29, IOMUX_CONFIG_ALT0);
 223         mxc_iomux_set_pad(MX53_PIN_EIM_D29, 0xA4);
 224
 225         mxc_request_iomux(MX53_PIN_EIM_D30, IOMUX_CONFIG_ALT0);
 226         mxc_iomux_set_pad(MX53_PIN_EIM_D30, 0xA4);
 227
 228         mxc_request_iomux(MX53_PIN_EIM_D31, IOMUX_CONFIG_ALT0);
 229         mxc_iomux_set_pad(MX53_PIN_EIM_D31, 0xA4);
 230
 231         /* Address lines */
 232         mxc_request_iomux(MX53_PIN_EIM_DA0, IOMUX_CONFIG_ALT0);
 233         mxc_iomux_set_pad(MX53_PIN_EIM_DA0, 0xA4);
 234
 235         mxc_request_iomux(MX53_PIN_EIM_DA1, IOMUX_CONFIG_ALT0);
 236         mxc_iomux_set_pad(MX53_PIN_EIM_DA1, 0xA4);
 237
 238         mxc_request_iomux(MX53_PIN_EIM_DA2, IOMUX_CONFIG_ALT0);
 239         mxc_iomux_set_pad(MX53_PIN_EIM_DA2, 0xA4);
 240
 241         mxc_request_iomux(MX53_PIN_EIM_DA3, IOMUX_CONFIG_ALT0);
 242         mxc_iomux_set_pad(MX53_PIN_EIM_DA3, 0xA4);
 243
 244         mxc_request_iomux(MX53_PIN_EIM_DA4, IOMUX_CONFIG_ALT0);
 245         mxc_iomux_set_pad(MX53_PIN_EIM_DA4, 0xA4);
 246
 247         mxc_request_iomux(MX53_PIN_EIM_DA5, IOMUX_CONFIG_ALT0);
 248         mxc_iomux_set_pad(MX53_PIN_EIM_DA5, 0xA4);
 249
 250         mxc_request_iomux(MX53_PIN_EIM_DA6, IOMUX_CONFIG_ALT0);
 251         mxc_iomux_set_pad(MX53_PIN_EIM_DA6, 0xA4);
 252
 253         /* other EIM signals for ethernet */
 254         mxc_request_iomux(MX53_PIN_EIM_OE, IOMUX_CONFIG_ALT0);
 255         mxc_request_iomux(MX53_PIN_EIM_RW, IOMUX_CONFIG_ALT0);
 256         mxc_request_iomux(MX53_PIN_EIM_CS1, IOMUX_CONFIG_ALT0);
 257 }
 258
 259 static void weim_cs1_settings(void)
 260 {
 261         struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
 262
 263         writel(MX53ARD_CS1GCR1, &weim_regs->cs1gcr1);
 264         writel(0x0, &weim_regs->cs1gcr2);
 265         writel(MX53ARD_CS1RCR1, &weim_regs->cs1rcr1);
 266         writel(MX53ARD_CS1RCR2, &weim_regs->cs1rcr2);
 267         writel(MX53ARD_CS1WCR1, &weim_regs->cs1wcr1);
 268         writel(0x0, &weim_regs->cs1wcr2);
 269         writel(0x0, &weim_regs->wcr);
 270
 271         set_chipselect_size(CS0_64M_CS1_64M);
 272 }
 273
 274 int board_early_init_f(void)
 275 {
 276         setup_iomux_uart();
 277         return 0;
 278 }
 279
 280 int board_init(void)
 281 {
 282         /* address of boot parameters */
 283         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 284
 285         return 0;
 286 }
 287
 288 int board_eth_init(bd_t *bis)
 289 {
 290         int rc = -ENODEV;
 291
 292         weim_smc911x_iomux();
 293         weim_cs1_settings();
 294
 295 #ifdef CONFIG_SMC911X
 296         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 297 #endif
 298         return rc;
 299 }
 300
 301 int checkboard(void)
 302 {
 303         puts("Board: MX53ARD\n");
 304
 305         return 0;
 306 }