uboot/board/freescale/mx53ard/mx53ard.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2011 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <init.h>
   8#include <net.h>
   9#include <asm/io.h>
  10#include <asm/arch/imx-regs.h>
  11#include <asm/arch/sys_proto.h>
  12#include <asm/arch/crm_regs.h>
  13#include <asm/arch/clock.h>
  14#include <asm/arch/iomux-mx53.h>
  15#include <linux/errno.h>
  16#include <netdev.h>
  17#include <mmc.h>
  18#include <fsl_esdhc_imx.h>
  19#include <asm/gpio.h>
  20
  21#define ETHERNET_INT            IMX_GPIO_NR(2, 31)
  22
  23DECLARE_GLOBAL_DATA_PTR;
  24
  25int dram_init(void)
  26{
  27        u32 size1, size2;
  28
  29        size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  30        size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  31
  32        gd->ram_size = size1 + size2;
  33
  34        return 0;
  35}
  36int dram_init_banksize(void)
  37{
  38        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  39        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  40
  41        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  42        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  43
  44        return 0;
  45}
  46
  47#ifdef CONFIG_NAND_MXC
  48static void setup_iomux_nand(void)
  49{
  50        static const iomux_v3_cfg_t nand_pads[] = {
  51                NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0,
  52                                PAD_CTL_DSE_HIGH),
  53                NEW_PAD_CTRL(MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1,
  54                                PAD_CTL_DSE_HIGH),
  55                NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0,
  56                                PAD_CTL_PUS_100K_UP),
  57                NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__EMI_NANDF_CLE,
  58                                PAD_CTL_DSE_HIGH),
  59                NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__EMI_NANDF_ALE,
  60                                PAD_CTL_DSE_HIGH),
  61                NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B,
  62                                PAD_CTL_PUS_100K_UP),
  63                NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B,
  64                                PAD_CTL_DSE_HIGH),
  65                NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B,
  66                                PAD_CTL_DSE_HIGH),
  67                NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
  68                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  69                NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
  70                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  71                NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
  72                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  73                NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
  74                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  75                NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
  76                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  77                NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
  78                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  79                NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
  80                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  81                NEW_PAD_CTRL(MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7,
  82                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
  83        };
  84
  85        u32 i, reg;
  86
  87        reg = __raw_readl(M4IF_BASE_ADDR + 0xc);
  88        reg &= ~M4IF_GENP_WEIM_MM_MASK;
  89        __raw_writel(reg, M4IF_BASE_ADDR + 0xc);
  90        for (i = 0x4; i < 0x94; i += 0x18) {
  91                reg = __raw_readl(WEIM_BASE_ADDR + i);
  92                reg &= ~WEIM_GCR2_MUX16_BYP_GRANT_MASK;
  93                __raw_writel(reg, WEIM_BASE_ADDR + i);
  94        }
  95
  96        imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
  97}
  98#else
  99static void setup_iomux_nand(void)
 100{
 101}
 102#endif
 103
 104#define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 105                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
 106
 107static void setup_iomux_uart(void)
 108{
 109        static const iomux_v3_cfg_t uart_pads[] = {
 110                NEW_PAD_CTRL(MX53_PAD_PATA_DMACK__UART1_RXD_MUX, UART_PAD_CTRL),
 111                NEW_PAD_CTRL(MX53_PAD_PATA_DIOW__UART1_TXD_MUX, UART_PAD_CTRL),
 112        };
 113
 114        imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
 115}
 116
 117#ifdef CONFIG_FSL_ESDHC_IMX
 118struct fsl_esdhc_cfg esdhc_cfg[2] = {
 119        {MMC_SDHC1_BASE_ADDR},
 120        {MMC_SDHC2_BASE_ADDR},
 121};
 122
 123int board_mmc_getcd(struct mmc *mmc)
 124{
 125        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 126        int ret;
 127
 128        imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1);
 129        gpio_direction_input(IMX_GPIO_NR(1, 1));
 130        imx_iomux_v3_setup_pad(MX53_PAD_GPIO_4__GPIO1_4);
 131        gpio_direction_input(IMX_GPIO_NR(1, 4));
 132
 133        if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 134                ret = !gpio_get_value(IMX_GPIO_NR(1, 1));
 135        else
 136                ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
 137
 138        return ret;
 139}
 140
 141#define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 142                                 PAD_CTL_PUS_100K_UP)
 143#define SD_CLK_PAD_CTRL         (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_HIGH)
 144#define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 145                                 PAD_CTL_DSE_HIGH)
 146
 147int board_mmc_init(struct bd_info *bis)
 148{
 149        static const iomux_v3_cfg_t sd1_pads[] = {
 150                NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 151                NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_CLK_PAD_CTRL),
 152                NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 153                NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 154                NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 155                NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 156        };
 157
 158        static const iomux_v3_cfg_t sd2_pads[] = {
 159                NEW_PAD_CTRL(MX53_PAD_SD2_CMD__ESDHC2_CMD, SD_CMD_PAD_CTRL),
 160                NEW_PAD_CTRL(MX53_PAD_SD2_CLK__ESDHC2_CLK, SD_CLK_PAD_CTRL),
 161                NEW_PAD_CTRL(MX53_PAD_SD2_DATA0__ESDHC2_DAT0, SD_PAD_CTRL),
 162                NEW_PAD_CTRL(MX53_PAD_SD2_DATA1__ESDHC2_DAT1, SD_PAD_CTRL),
 163                NEW_PAD_CTRL(MX53_PAD_SD2_DATA2__ESDHC2_DAT2, SD_PAD_CTRL),
 164                NEW_PAD_CTRL(MX53_PAD_SD2_DATA3__ESDHC2_DAT3, SD_PAD_CTRL),
 165                NEW_PAD_CTRL(MX53_PAD_PATA_DATA12__ESDHC2_DAT4, SD_PAD_CTRL),
 166                NEW_PAD_CTRL(MX53_PAD_PATA_DATA13__ESDHC2_DAT5, SD_PAD_CTRL),
 167                NEW_PAD_CTRL(MX53_PAD_PATA_DATA14__ESDHC2_DAT6, SD_PAD_CTRL),
 168                NEW_PAD_CTRL(MX53_PAD_PATA_DATA15__ESDHC2_DAT7, SD_PAD_CTRL),
 169        };
 170
 171        u32 index;
 172        int ret;
 173
 174        esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 175        esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 176
 177        for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 178                switch (index) {
 179                case 0:
 180                        imx_iomux_v3_setup_multiple_pads(sd1_pads,
 181                                                         ARRAY_SIZE(sd1_pads));
 182                        break;
 183                case 1:
 184                        imx_iomux_v3_setup_multiple_pads(sd2_pads,
 185                                                         ARRAY_SIZE(sd2_pads));
 186                        break;
 187                default:
 188                        printf("Warning: you configured more ESDHC controller"
 189                                "(%d) as supported by the board(2)\n",
 190                                CONFIG_SYS_FSL_ESDHC_NUM);
 191                        return -EINVAL;
 192                }
 193                ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 194                if (ret)
 195                        return ret;
 196        }
 197
 198        return 0;
 199}
 200#endif
 201
 202static void weim_smc911x_iomux(void)
 203{
 204        static const iomux_v3_cfg_t weim_smc911x_pads[] = {
 205                /* Data bus */
 206                NEW_PAD_CTRL(MX53_PAD_EIM_D16__EMI_WEIM_D_16,
 207                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 208                NEW_PAD_CTRL(MX53_PAD_EIM_D17__EMI_WEIM_D_17,
 209                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 210                NEW_PAD_CTRL(MX53_PAD_EIM_D18__EMI_WEIM_D_18,
 211                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 212                NEW_PAD_CTRL(MX53_PAD_EIM_D19__EMI_WEIM_D_19,
 213                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 214                NEW_PAD_CTRL(MX53_PAD_EIM_D20__EMI_WEIM_D_20,
 215                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 216                NEW_PAD_CTRL(MX53_PAD_EIM_D21__EMI_WEIM_D_21,
 217                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 218                NEW_PAD_CTRL(MX53_PAD_EIM_D22__EMI_WEIM_D_22,
 219                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 220                NEW_PAD_CTRL(MX53_PAD_EIM_D23__EMI_WEIM_D_23,
 221                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 222                NEW_PAD_CTRL(MX53_PAD_EIM_D24__EMI_WEIM_D_24,
 223                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 224                NEW_PAD_CTRL(MX53_PAD_EIM_D25__EMI_WEIM_D_25,
 225                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 226                NEW_PAD_CTRL(MX53_PAD_EIM_D26__EMI_WEIM_D_26,
 227                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 228                NEW_PAD_CTRL(MX53_PAD_EIM_D27__EMI_WEIM_D_27,
 229                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 230                NEW_PAD_CTRL(MX53_PAD_EIM_D28__EMI_WEIM_D_28,
 231                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 232                NEW_PAD_CTRL(MX53_PAD_EIM_D29__EMI_WEIM_D_29,
 233                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 234                NEW_PAD_CTRL(MX53_PAD_EIM_D30__EMI_WEIM_D_30,
 235                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 236                NEW_PAD_CTRL(MX53_PAD_EIM_D31__EMI_WEIM_D_31,
 237                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 238
 239                /* Address lines */
 240                NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
 241                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 242                NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
 243                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 244                NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
 245                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 246                NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
 247                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 248                NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
 249                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 250                NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
 251                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 252                NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
 253                                PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
 254
 255                /* other EIM signals for ethernet */
 256                MX53_PAD_EIM_OE__EMI_WEIM_OE,
 257                MX53_PAD_EIM_RW__EMI_WEIM_RW,
 258                MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
 259        };
 260
 261        /* ETHERNET_INT as GPIO2_31 */
 262        imx_iomux_v3_setup_pad(MX53_PAD_EIM_EB3__GPIO2_31);
 263        gpio_direction_input(ETHERNET_INT);
 264
 265        /* WEIM bus */
 266        imx_iomux_v3_setup_multiple_pads(weim_smc911x_pads,
 267                                                ARRAY_SIZE(weim_smc911x_pads));
 268}
 269
 270static void weim_cs1_settings(void)
 271{
 272        struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
 273
 274        writel(MX53ARD_CS1GCR1, &weim_regs->cs1gcr1);
 275        writel(0x0, &weim_regs->cs1gcr2);
 276        writel(MX53ARD_CS1RCR1, &weim_regs->cs1rcr1);
 277        writel(MX53ARD_CS1RCR2, &weim_regs->cs1rcr2);
 278        writel(MX53ARD_CS1WCR1, &weim_regs->cs1wcr1);
 279        writel(0x0, &weim_regs->cs1wcr2);
 280        writel(0x0, &weim_regs->wcr);
 281
 282        set_chipselect_size(CS0_64M_CS1_64M);
 283}
 284
 285int board_early_init_f(void)
 286{
 287        setup_iomux_nand();
 288        setup_iomux_uart();
 289        return 0;
 290}
 291
 292int board_init(void)
 293{
 294        /* address of boot parameters */
 295        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 296
 297        return 0;
 298}
 299
 300int board_eth_init(struct bd_info *bis)
 301{
 302        int rc = -ENODEV;
 303
 304        weim_smc911x_iomux();
 305        weim_cs1_settings();
 306
 307#ifdef CONFIG_SMC911X
 308        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 309#endif
 310        return rc;
 311}
 312
 313int checkboard(void)
 314{
 315        puts("Board: MX53ARD\n");
 316
 317        return 0;
 318}
 319