uboot/board/freescale/mx53ard/mx53ard.c
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   1/*
   2 * (C) Copyright 2011 Freescale Semiconductor, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <asm/io.h>
   9#include <asm/arch/imx-regs.h>
  10#include <asm/arch/sys_proto.h>
  11#include <asm/arch/crm_regs.h>
  12#include <asm/arch/clock.h>
  13#include <asm/arch/iomux-mx53.h>
  14#include <asm/errno.h>
  15#include <netdev.h>
  16#include <mmc.h>
  17#include <fsl_esdhc.h>
  18#include <asm/gpio.h>
  19
  20#define ETHERNET_INT            IMX_GPIO_NR(2, 31)
  21
  22DECLARE_GLOBAL_DATA_PTR;
  23
  24int dram_init(void)
  25{
  26        u32 size1, size2;
  27
  28        size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  29        size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  30
  31        gd->ram_size = size1 + size2;
  32
  33        return 0;
  34}
  35void dram_init_banksize(void)
  36{
  37        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  38        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  39
  40        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  41        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  42}
  43
  44#ifdef CONFIG_NAND_MXC
  45static void setup_iomux_nand(void)
  46{
  47        static const iomux_v3_cfg_t nand_pads[] = {
  48                NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0,
  49                                PAD_CTL_DSE_HIGH),
  50                NEW_PAD_CTRL(MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1,
  51                                PAD_CTL_DSE_HIGH),
  52                NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0,
  53                                PAD_CTL_PUS_100K_UP),
  54                NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__EMI_NANDF_CLE,
  55                                PAD_CTL_DSE_HIGH),
  56                NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__EMI_NANDF_ALE,
  57                                PAD_CTL_DSE_HIGH),
  58                NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B,
  59                                PAD_CTL_PUS_100K_UP),
  60                NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B,
  61                                PAD_CTL_DSE_HIGH),
  62                NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B,
  63                                PAD_CTL_DSE_HIGH),
  64                NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
  65                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  66                NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
  67                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  68                NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
  69                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  70                NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
  71                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  72                NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
  73                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  74                NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
  75                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  76                NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
  77                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  78                NEW_PAD_CTRL(MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7,
  79                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  80        };
  81
  82        u32 i, reg;
  83
  84        reg = __raw_readl(M4IF_BASE_ADDR + 0xc);
  85        reg &= ~M4IF_GENP_WEIM_MM_MASK;
  86        __raw_writel(reg, M4IF_BASE_ADDR + 0xc);
  87        for (i = 0x4; i < 0x94; i += 0x18) {
  88                reg = __raw_readl(WEIM_BASE_ADDR + i);
  89                reg &= ~WEIM_GCR2_MUX16_BYP_GRANT_MASK;
  90                __raw_writel(reg, WEIM_BASE_ADDR + i);
  91        }
  92
  93        imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
  94}
  95#else
  96static void setup_iomux_nand(void)
  97{
  98}
  99#endif
 100
 101#define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 102                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
 103
 104static void setup_iomux_uart(void)
 105{
 106        static const iomux_v3_cfg_t uart_pads[] = {
 107                NEW_PAD_CTRL(MX53_PAD_PATA_DMACK__UART1_RXD_MUX, UART_PAD_CTRL),
 108                NEW_PAD_CTRL(MX53_PAD_PATA_DIOW__UART1_TXD_MUX, UART_PAD_CTRL),
 109        };
 110
 111        imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
 112}
 113
 114#ifdef CONFIG_FSL_ESDHC
 115struct fsl_esdhc_cfg esdhc_cfg[2] = {
 116        {MMC_SDHC1_BASE_ADDR},
 117        {MMC_SDHC2_BASE_ADDR},
 118};
 119
 120int board_mmc_getcd(struct mmc *mmc)
 121{
 122        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 123        int ret;
 124
 125        imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1);
 126        gpio_direction_input(IMX_GPIO_NR(1, 1));
 127        imx_iomux_v3_setup_pad(MX53_PAD_GPIO_4__GPIO1_4);
 128        gpio_direction_input(IMX_GPIO_NR(1, 4));
 129
 130        if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 131                ret = !gpio_get_value(IMX_GPIO_NR(1, 1));
 132        else
 133                ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
 134
 135        return ret;
 136}
 137
 138#define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 139                                 PAD_CTL_PUS_100K_UP)
 140#define SD_CLK_PAD_CTRL         (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_HIGH)
 141#define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 142                                 PAD_CTL_DSE_HIGH)
 143
 144int board_mmc_init(bd_t *bis)
 145{
 146        static const iomux_v3_cfg_t sd1_pads[] = {
 147                NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 148                NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_CLK_PAD_CTRL),
 149                NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 150                NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 151                NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 152                NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 153        };
 154
 155        static const iomux_v3_cfg_t sd2_pads[] = {
 156                NEW_PAD_CTRL(MX53_PAD_SD2_CMD__ESDHC2_CMD, SD_CMD_PAD_CTRL),
 157                NEW_PAD_CTRL(MX53_PAD_SD2_CLK__ESDHC2_CLK, SD_CLK_PAD_CTRL),
 158                NEW_PAD_CTRL(MX53_PAD_SD2_DATA0__ESDHC2_DAT0, SD_PAD_CTRL),
 159                NEW_PAD_CTRL(MX53_PAD_SD2_DATA1__ESDHC2_DAT1, SD_PAD_CTRL),
 160                NEW_PAD_CTRL(MX53_PAD_SD2_DATA2__ESDHC2_DAT2, SD_PAD_CTRL),
 161                NEW_PAD_CTRL(MX53_PAD_SD2_DATA3__ESDHC2_DAT3, SD_PAD_CTRL),
 162                NEW_PAD_CTRL(MX53_PAD_PATA_DATA12__ESDHC2_DAT4, SD_PAD_CTRL),
 163                NEW_PAD_CTRL(MX53_PAD_PATA_DATA13__ESDHC2_DAT5, SD_PAD_CTRL),
 164                NEW_PAD_CTRL(MX53_PAD_PATA_DATA14__ESDHC2_DAT6, SD_PAD_CTRL),
 165                NEW_PAD_CTRL(MX53_PAD_PATA_DATA15__ESDHC2_DAT7, SD_PAD_CTRL),
 166        };
 167
 168        u32 index;
 169        s32 status = 0;
 170
 171        esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 172        esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 173
 174        for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 175                switch (index) {
 176                case 0:
 177                        imx_iomux_v3_setup_multiple_pads(sd1_pads,
 178                                                         ARRAY_SIZE(sd1_pads));
 179                        break;
 180                case 1:
 181                        imx_iomux_v3_setup_multiple_pads(sd2_pads,
 182                                                         ARRAY_SIZE(sd2_pads));
 183                        break;
 184                default:
 185                        printf("Warning: you configured more ESDHC controller"
 186                                "(%d) as supported by the board(2)\n",
 187                                CONFIG_SYS_FSL_ESDHC_NUM);
 188                        return status;
 189                }
 190                status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 191        }
 192
 193        return status;
 194}
 195#endif
 196
 197static void weim_smc911x_iomux(void)
 198{
 199        static const iomux_v3_cfg_t weim_smc911x_pads[] = {
 200                /* Data bus */
 201                NEW_PAD_CTRL(MX53_PAD_EIM_D16__EMI_WEIM_D_16,
 202                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 203                NEW_PAD_CTRL(MX53_PAD_EIM_D17__EMI_WEIM_D_17,
 204                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 205                NEW_PAD_CTRL(MX53_PAD_EIM_D18__EMI_WEIM_D_18,
 206                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 207                NEW_PAD_CTRL(MX53_PAD_EIM_D19__EMI_WEIM_D_19,
 208                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 209                NEW_PAD_CTRL(MX53_PAD_EIM_D20__EMI_WEIM_D_20,
 210                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 211                NEW_PAD_CTRL(MX53_PAD_EIM_D21__EMI_WEIM_D_21,
 212                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 213                NEW_PAD_CTRL(MX53_PAD_EIM_D22__EMI_WEIM_D_22,
 214                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 215                NEW_PAD_CTRL(MX53_PAD_EIM_D23__EMI_WEIM_D_23,
 216                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 217                NEW_PAD_CTRL(MX53_PAD_EIM_D24__EMI_WEIM_D_24,
 218                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 219                NEW_PAD_CTRL(MX53_PAD_EIM_D25__EMI_WEIM_D_25,
 220                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 221                NEW_PAD_CTRL(MX53_PAD_EIM_D26__EMI_WEIM_D_26,
 222                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 223                NEW_PAD_CTRL(MX53_PAD_EIM_D27__EMI_WEIM_D_27,
 224                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 225                NEW_PAD_CTRL(MX53_PAD_EIM_D28__EMI_WEIM_D_28,
 226                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 227                NEW_PAD_CTRL(MX53_PAD_EIM_D29__EMI_WEIM_D_29,
 228                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 229                NEW_PAD_CTRL(MX53_PAD_EIM_D30__EMI_WEIM_D_30,
 230                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 231                NEW_PAD_CTRL(MX53_PAD_EIM_D31__EMI_WEIM_D_31,
 232                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 233
 234                /* Address lines */
 235                NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
 236                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 237                NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
 238                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 239                NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
 240                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 241                NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
 242                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 243                NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
 244                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 245                NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
 246                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 247                NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
 248                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 249
 250                /* other EIM signals for ethernet */
 251                MX53_PAD_EIM_OE__EMI_WEIM_OE,
 252                MX53_PAD_EIM_RW__EMI_WEIM_RW,
 253                MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
 254        };
 255
 256        /* ETHERNET_INT as GPIO2_31 */
 257        imx_iomux_v3_setup_pad(MX53_PAD_EIM_EB3__GPIO2_31);
 258        gpio_direction_input(ETHERNET_INT);
 259
 260        /* WEIM bus */
 261        imx_iomux_v3_setup_multiple_pads(weim_smc911x_pads,
 262                                                ARRAY_SIZE(weim_smc911x_pads));
 263}
 264
 265static void weim_cs1_settings(void)
 266{
 267        struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
 268
 269        writel(MX53ARD_CS1GCR1, &weim_regs->cs1gcr1);
 270        writel(0x0, &weim_regs->cs1gcr2);
 271        writel(MX53ARD_CS1RCR1, &weim_regs->cs1rcr1);
 272        writel(MX53ARD_CS1RCR2, &weim_regs->cs1rcr2);
 273        writel(MX53ARD_CS1WCR1, &weim_regs->cs1wcr1);
 274        writel(0x0, &weim_regs->cs1wcr2);
 275        writel(0x0, &weim_regs->wcr);
 276
 277        set_chipselect_size(CS0_64M_CS1_64M);
 278}
 279
 280int board_early_init_f(void)
 281{
 282        setup_iomux_nand();
 283        setup_iomux_uart();
 284        return 0;
 285}
 286
 287int board_init(void)
 288{
 289        /* address of boot parameters */
 290        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 291
 292        return 0;
 293}
 294
 295int board_eth_init(bd_t *bis)
 296{
 297        int rc = -ENODEV;
 298
 299        weim_smc911x_iomux();
 300        weim_cs1_settings();
 301
 302#ifdef CONFIG_SMC911X
 303        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 304#endif
 305        return rc;
 306}
 307
 308int checkboard(void)
 309{
 310        puts("Board: MX53ARD\n");
 311
 312        return 0;
 313}
 314