LXR uboot/board/freescale/ls1012ardb/ls1012ardb.c

   1/*
   2 * Copyright 2016 Freescale Semiconductor, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <i2c.h>
   9#include <asm/io.h>
  10#include <asm/arch/clock.h>
  11#include <asm/arch/fsl_serdes.h>
  12#ifdef CONFIG_FSL_LS_PPA
  13#include <asm/arch/ppa.h>
  14#endif
  15#include <asm/arch/mmu.h>
  16#include <asm/arch/soc.h>
  17#include <hwconfig.h>
  18#include <ahci.h>
  19#include <mmc.h>
  20#include <scsi.h>
  21#include <fsl_esdhc.h>
  22#include <environment.h>
  23#include <fsl_mmdc.h>
  24#include <netdev.h>
  25#include <fsl_sec.h>
  26
  27DECLARE_GLOBAL_DATA_PTR;
  28
  29int checkboard(void)
  30{
  31        u8 in1;
  32
  33        puts("Board: LS1012ARDB ");
  34
  35        /* Initialize i2c early for Serial flash bank information */
  36        i2c_set_bus_num(0);
  37
  38        if (i2c_read(I2C_MUX_IO1_ADDR, 1, 1, &in1, 1) < 0) {
  39                printf("Error reading i2c boot information!\n");
  40                return 0; /* Don't want to hang() on this error */
  41        }
  42
  43        puts("Version");
  44        if ((in1 & (~__SW_REV_MASK)) == __SW_REV_A)
  45                puts(": RevA");
  46        else if ((in1 & (~__SW_REV_MASK)) == __SW_REV_B)
  47                puts(": RevB");
  48        else
  49                puts(": unknown");
  50
  51        printf(", boot from QSPI");
  52        if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_EMU)
  53                puts(": emu\n");
  54        else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK1)
  55                puts(": bank1\n");
  56        else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK2)
  57                puts(": bank2\n");
  58        else
  59                puts("unknown\n");
  60
  61        return 0;
  62}
  63
  64int dram_init(void)
  65{
  66        static const struct fsl_mmdc_info mparam = {
  67                0x05180000,     /* mdctl */
  68                0x00030035,     /* mdpdc */
  69                0x12554000,     /* mdotc */
  70                0xbabf7954,     /* mdcfg0 */
  71                0xdb328f64,     /* mdcfg1 */
  72                0x01ff00db,     /* mdcfg2 */
  73                0x00001680,     /* mdmisc */
  74                0x0f3c8000,     /* mdref */
  75                0x00002000,     /* mdrwd */
  76                0x00bf1023,     /* mdor */
  77                0x0000003f,     /* mdasp */
  78                0x0000022a,     /* mpodtctrl */
  79                0xa1390003,     /* mpzqhwctrl */
  80        };
  81
  82        mmdc_init(&mparam);
  83
  84        gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  85#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
  86        /* This will break-before-make MMU for DDR */
  87        update_early_mmu_table();
  88#endif
  89
  90        return 0;
  91}
  92
  93int board_eth_init(bd_t *bis)
  94{
  95        return pci_eth_init(bis);
  96}
  97
  98int board_early_init_f(void)
  99{
 100        fsl_lsch2_early_init_f();
 101
 102        return 0;
 103}
 104
 105int board_init(void)
 106{
 107        struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
 108        /*
 109         * Set CCI-400 control override register to enable barrier
 110         * transaction
 111         */
 112        out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
 113
 114#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
 115        erratum_a010315();
 116#endif
 117
 118#ifdef CONFIG_ENV_IS_NOWHERE
 119        gd->env_addr = (ulong)&default_environment[0];
 120#endif
 121
 122#ifdef CONFIG_FSL_CAAM
 123        sec_init();
 124#endif
 125
 126#ifdef CONFIG_FSL_LS_PPA
 127        ppa_init();
 128#endif
 129        return 0;
 130}
 131
 132int esdhc_status_fixup(void *blob, const char *compat)
 133{
 134        char esdhc0_path[] = "/soc/esdhc@1560000";
 135        char esdhc1_path[] = "/soc/esdhc@1580000";
 136        u8 io = 0;
 137        u8 mux_sdhc2;
 138
 139        do_fixup_by_path(blob, esdhc0_path, "status", "okay",
 140                         sizeof("okay"), 1);
 141
 142        i2c_set_bus_num(0);
 143
 144        /*
 145         * The I2C IO-expander for mux select is used to control the muxing
 146         * of various onboard interfaces.
 147         *
 148         * IO1[3:2] indicates SDHC2 interface demultiplexer select lines.
 149         *      00 - SDIO wifi
 150         *      01 - GPIO (to Arduino)
 151         *      10 - eMMC Memory
 152         *      11 - SPI
 153         */
 154        if (i2c_read(I2C_MUX_IO1_ADDR, 0, 1, &io, 1) < 0) {
 155                printf("Error reading i2c boot information!\n");
 156                return 0; /* Don't want to hang() on this error */
 157        }
 158
 159        mux_sdhc2 = (io & 0x0c) >> 2;
 160        /* Enable SDHC2 only when use SDIO wifi and eMMC */
 161        if (mux_sdhc2 == 2 || mux_sdhc2 == 0)
 162                do_fixup_by_path(blob, esdhc1_path, "status", "okay",
 163                                 sizeof("okay"), 1);
 164        else
 165                do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
 166                                 sizeof("disabled"), 1);
 167        return 0;
 168}
 169
 170int ft_board_setup(void *blob, bd_t *bd)
 171{
 172        arch_fixup_fdt(blob);
 173
 174        ft_cpu_setup(blob, bd);
 175
 176        return 0;
 177}
 178