uboot/board/barco/platinum/platinum.c
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   1/*
   2 * Copyright (C) 2014, Barco (www.barco.com)
   3 * Copyright (C) 2014 Stefan Roese <sr@denx.de>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <mmc.h>
  10#include <fsl_esdhc.h>
  11#include <miiphy.h>
  12#include <netdev.h>
  13#include <asm/io.h>
  14#include <asm/arch/clock.h>
  15#include <asm/arch/imx-regs.h>
  16#include <asm/arch/iomux.h>
  17#include <asm/arch/mx6-pins.h>
  18#include <asm/arch/crm_regs.h>
  19#include <asm/arch/sys_proto.h>
  20#include <asm/gpio.h>
  21#include <asm/mach-imx/iomux-v3.h>
  22#include <asm/mach-imx/boot_mode.h>
  23
  24#include "platinum.h"
  25
  26DECLARE_GLOBAL_DATA_PTR;
  27
  28iomux_v3_cfg_t const usdhc3_pads[] = {
  29        MX6_PAD_SD3_CLK__SD3_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  30        MX6_PAD_SD3_CMD__SD3_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  31        MX6_PAD_SD3_DAT0__SD3_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  32        MX6_PAD_SD3_DAT1__SD3_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  33        MX6_PAD_SD3_DAT2__SD3_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  34        MX6_PAD_SD3_DAT3__SD3_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  35        MX6_PAD_SD3_DAT5__GPIO7_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
  36};
  37
  38iomux_v3_cfg_t nfc_pads[] = {
  39        MX6_PAD_NANDF_CLE__NAND_CLE             | MUX_PAD_CTRL(NO_PAD_CTRL),
  40        MX6_PAD_NANDF_ALE__NAND_ALE             | MUX_PAD_CTRL(NO_PAD_CTRL),
  41        MX6_PAD_NANDF_WP_B__NAND_WP_B           | MUX_PAD_CTRL(NO_PAD_CTRL),
  42        MX6_PAD_NANDF_RB0__NAND_READY_B         | MUX_PAD_CTRL(NO_PAD_CTRL),
  43        MX6_PAD_NANDF_CS0__NAND_CE0_B           | MUX_PAD_CTRL(NO_PAD_CTRL),
  44        MX6_PAD_NANDF_CS1__NAND_CE1_B           | MUX_PAD_CTRL(NO_PAD_CTRL),
  45        MX6_PAD_NANDF_CS2__NAND_CE2_B           | MUX_PAD_CTRL(NO_PAD_CTRL),
  46        MX6_PAD_NANDF_CS3__NAND_CE3_B           | MUX_PAD_CTRL(NO_PAD_CTRL),
  47        MX6_PAD_SD4_CMD__NAND_RE_B              | MUX_PAD_CTRL(NO_PAD_CTRL),
  48        MX6_PAD_SD4_CLK__NAND_WE_B              | MUX_PAD_CTRL(NO_PAD_CTRL),
  49        MX6_PAD_NANDF_D0__NAND_DATA00           | MUX_PAD_CTRL(NO_PAD_CTRL),
  50        MX6_PAD_NANDF_D1__NAND_DATA01           | MUX_PAD_CTRL(NO_PAD_CTRL),
  51        MX6_PAD_NANDF_D2__NAND_DATA02           | MUX_PAD_CTRL(NO_PAD_CTRL),
  52        MX6_PAD_NANDF_D3__NAND_DATA03           | MUX_PAD_CTRL(NO_PAD_CTRL),
  53        MX6_PAD_NANDF_D4__NAND_DATA04           | MUX_PAD_CTRL(NO_PAD_CTRL),
  54        MX6_PAD_NANDF_D5__NAND_DATA05           | MUX_PAD_CTRL(NO_PAD_CTRL),
  55        MX6_PAD_NANDF_D6__NAND_DATA06           | MUX_PAD_CTRL(NO_PAD_CTRL),
  56        MX6_PAD_NANDF_D7__NAND_DATA07           | MUX_PAD_CTRL(NO_PAD_CTRL),
  57        MX6_PAD_SD4_DAT0__NAND_DQS              | MUX_PAD_CTRL(NO_PAD_CTRL),
  58};
  59
  60struct fsl_esdhc_cfg usdhc_cfg[] = {
  61        { USDHC3_BASE_ADDR },
  62};
  63
  64void setup_gpmi_nand(void)
  65{
  66        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  67
  68        /* config gpmi nand iomux */
  69        imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads));
  70
  71        /* config gpmi and bch clock to 100 MHz */
  72        clrsetbits_le32(&mxc_ccm->cs2cdr,
  73                        MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
  74                        MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
  75                        MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
  76                        MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
  77                        MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
  78                        MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
  79
  80        /* enable gpmi and bch clock gating */
  81        setbits_le32(&mxc_ccm->CCGR4,
  82                     MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
  83                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
  84                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
  85                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
  86                     MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
  87
  88        /* enable apbh clock gating */
  89        setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
  90}
  91
  92int dram_init(void)
  93{
  94        gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
  95
  96        return 0;
  97}
  98
  99int board_ehci_hcd_init(int port)
 100{
 101        return 0;
 102}
 103
 104int board_mmc_getcd(struct mmc *mmc)
 105{
 106        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 107
 108        if (cfg->esdhc_base == usdhc_cfg[0].esdhc_base) {
 109                unsigned sd3_cd = IMX_GPIO_NR(7, 0);
 110                gpio_direction_input(sd3_cd);
 111                return !gpio_get_value(sd3_cd);
 112        }
 113
 114        return 0;
 115}
 116
 117int board_mmc_init(bd_t *bis)
 118{
 119        imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 120        usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 121
 122        return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 123}
 124
 125void board_init_gpio(void)
 126{
 127        platinum_init_gpio();
 128}
 129
 130void board_init_gpmi_nand(void)
 131{
 132        setup_gpmi_nand();
 133}
 134
 135void board_init_i2c(void)
 136{
 137        platinum_setup_i2c();
 138}
 139
 140void board_init_spi(void)
 141{
 142        platinum_setup_spi();
 143}
 144
 145void board_init_uart(void)
 146{
 147        platinum_setup_uart();
 148}
 149
 150void board_init_usb(void)
 151{
 152        platinum_init_usb();
 153}
 154
 155void board_init_finished(void)
 156{
 157        platinum_init_finished();
 158}
 159
 160int board_phy_config(struct phy_device *phydev)
 161{
 162        return platinum_phy_config(phydev);
 163}
 164
 165int board_eth_init(bd_t *bis)
 166{
 167        return cpu_eth_init(bis);
 168}
 169
 170int board_early_init_f(void)
 171{
 172        board_init_uart();
 173
 174        return 0;
 175}
 176
 177int board_init(void)
 178{
 179        /* address of boot parameters */
 180        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 181
 182        board_init_spi();
 183
 184        board_init_i2c();
 185
 186        board_init_gpmi_nand();
 187
 188        board_init_gpio();
 189
 190        board_init_usb();
 191
 192        board_init_finished();
 193
 194        return 0;
 195}
 196
 197int checkboard(void)
 198{
 199        puts("Board: " CONFIG_PLATINUM_BOARD "\n");
 200        return 0;
 201}
 202
 203static const struct boot_mode board_boot_modes[] = {
 204        /* NAND */
 205        { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
 206        /* 4 bit bus width */
 207        { "mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00) },
 208        { "mmc1", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00) },
 209        { NULL, 0 },
 210};
 211
 212int misc_init_r(void)
 213{
 214        add_board_boot_modes(board_boot_modes);
 215
 216        return 0;
 217}
 218