git.sur5r.net Git - u-boot/blob - 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
  27 DECLARE_GLOBAL_DATA_PTR;
  28
  29 int checkboard(void)
  30 {
  31 #ifdef CONFIG_TARGET_LS1012ARDB
  32         u8 in1;
  33
  34         puts("Board: LS1012ARDB ");
  35
  36         /* Initialize i2c early for Serial flash bank information */
  37         i2c_set_bus_num(0);
  38
  39         if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1) < 0) {
  40                 printf("Error reading i2c boot information!\n");
  41                 return 0; /* Don't want to hang() on this error */
  42         }
  43
  44         puts("Version");
  45         switch (in1 & SW_REV_MASK) {
  46         case SW_REV_A:
  47                 puts(": RevA");
  48                 break;
  49         case SW_REV_B:
  50                 puts(": RevB");
  51                 break;
  52         case SW_REV_C:
  53                 puts(": RevC");
  54                 break;
  55         case SW_REV_C1:
  56                 puts(": RevC1");
  57                 break;
  58         case SW_REV_C2:
  59                 puts(": RevC2");
  60                 break;
  61         case SW_REV_D:
  62                 puts(": RevD");
  63                 break;
  64         case SW_REV_E:
  65                 puts(": RevE");
  66                 break;
  67         default:
  68                 puts(": unknown");
  69                 break;
  70         }
  71
  72         printf(", boot from QSPI");
  73         if ((in1 & SW_BOOT_MASK) == SW_BOOT_EMU)
  74                 puts(": emu\n");
  75         else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK1)
  76                 puts(": bank1\n");
  77         else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK2)
  78                 puts(": bank2\n");
  79         else
  80                 puts("unknown\n");
  81 #else
  82
  83         puts("Board: LS1012A2G5RDB ");
  84 #endif
  85         return 0;
  86 }
  87
  88 int dram_init(void)
  89 {
  90         static const struct fsl_mmdc_info mparam = {
  91                 0x05180000,     /* mdctl */
  92                 0x00030035,     /* mdpdc */
  93                 0x12554000,     /* mdotc */
  94                 0xbabf7954,     /* mdcfg0 */
  95                 0xdb328f64,     /* mdcfg1 */
  96                 0x01ff00db,     /* mdcfg2 */
  97                 0x00001680,     /* mdmisc */
  98                 0x0f3c8000,     /* mdref */
  99                 0x00002000,     /* mdrwd */
 100                 0x00bf1023,     /* mdor */
 101                 0x0000003f,     /* mdasp */
 102                 0x0000022a,     /* mpodtctrl */
 103                 0xa1390003,     /* mpzqhwctrl */
 104         };
 105
 106         mmdc_init(&mparam);
 107
 108         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 109 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
 110         /* This will break-before-make MMU for DDR */
 111         update_early_mmu_table();
 112 #endif
 113
 114         return 0;
 115 }
 116
 117
 118 int board_early_init_f(void)
 119 {
 120         fsl_lsch2_early_init_f();
 121
 122         return 0;
 123 }
 124
 125 int board_init(void)
 126 {
 127         struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
 128                                         CONFIG_SYS_CCI400_OFFSET);
 129         /*
 130          * Set CCI-400 control override register to enable barrier
 131          * transaction
 132          */
 133         out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
 134
 135 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
 136         erratum_a010315();
 137 #endif
 138
 139 #ifdef CONFIG_ENV_IS_NOWHERE
 140         gd->env_addr = (ulong)&default_environment[0];
 141 #endif
 142
 143 #ifdef CONFIG_FSL_CAAM
 144         sec_init();
 145 #endif
 146
 147 #ifdef CONFIG_FSL_LS_PPA
 148         ppa_init();
 149 #endif
 150         return 0;
 151 }
 152
 153 #ifdef CONFIG_TARGET_LS1012ARDB
 154 int esdhc_status_fixup(void *blob, const char *compat)
 155 {
 156         char esdhc1_path[] = "/soc/esdhc@1580000";
 157         bool sdhc2_en = false;
 158         u8 mux_sdhc2;
 159         u8 io = 0;
 160
 161         i2c_set_bus_num(0);
 162
 163         /* IO1[7:3] is the field of board revision info. */
 164         if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1) < 0) {
 165                 printf("Error reading i2c boot information!\n");
 166                 return 0;
 167         }
 168
 169         /* hwconfig method is used for RevD and later versions. */
 170         if ((io & SW_REV_MASK) <= SW_REV_D) {
 171 #ifdef CONFIG_HWCONFIG
 172                 if (hwconfig("esdhc1"))
 173                         sdhc2_en = true;
 174 #endif
 175         } else {
 176                 /*
 177                  * The I2C IO-expander for mux select is used to control
 178                  * the muxing of various onboard interfaces.
 179                  *
 180                  * IO0[3:2] indicates SDHC2 interface demultiplexer
 181                  * select lines.
 182                  *      00 - SDIO wifi
 183                  *      01 - GPIO (to Arduino)
 184                  *      10 - eMMC Memory
 185                  *      11 - SPI
 186                  */
 187                 if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1) < 0) {
 188                         printf("Error reading i2c boot information!\n");
 189                         return 0;
 190                 }
 191
 192                 mux_sdhc2 = (io & 0x0c) >> 2;
 193                 /* Enable SDHC2 only when use SDIO wifi and eMMC */
 194                 if (mux_sdhc2 == 2 || mux_sdhc2 == 0)
 195                         sdhc2_en = true;
 196         }
 197         if (sdhc2_en)
 198                 do_fixup_by_path(blob, esdhc1_path, "status", "okay",
 199                                  sizeof("okay"), 1);
 200         else
 201                 do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
 202                                  sizeof("disabled"), 1);
 203         return 0;
 204 }
 205 #endif
 206
 207 int ft_board_setup(void *blob, bd_t *bd)
 208 {
 209         arch_fixup_fdt(blob);
 210
 211         ft_cpu_setup(blob, bd);
 212
 213         return 0;
 214 }