board/Marvell/dkb/dkb.c

   1 /*
   2  * (C) Copyright 2011
   3  * Marvell Semiconductor <www.marvell.com>
   4  * Written-by: Lei Wen <leiwen@marvell.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <mvmfp.h>
  11 #include <i2c.h>
  12 #include <asm/arch/mfp.h>
  13 #include <asm/arch/cpu.h>
  14 #ifdef CONFIG_GENERIC_MMC
  15 #include <sdhci.h>
  16 #endif
  17
  18 DECLARE_GLOBAL_DATA_PTR;
  19
  20 int board_early_init_f(void)
  21 {
  22         u32 mfp_cfg[] = {
  23                 /* Enable Console on UART2 */
  24                 MFP47_UART2_RXD,
  25                 MFP48_UART2_TXD,
  26
  27                 /* I2C */
  28                 MFP53_CI2C_SCL,
  29                 MFP54_CI2C_SDA,
  30
  31                 /* MMC1 */
  32                 MFP_MMC1_DAT7,
  33                 MFP_MMC1_DAT6,
  34                 MFP_MMC1_DAT5,
  35                 MFP_MMC1_DAT4,
  36                 MFP_MMC1_DAT3,
  37                 MFP_MMC1_DAT2,
  38                 MFP_MMC1_DAT1,
  39                 MFP_MMC1_DAT0,
  40                 MFP_MMC1_CMD,
  41                 MFP_MMC1_CLK,
  42                 MFP_MMC1_CD,
  43                 MFP_MMC1_WP,
  44
  45                 MFP_EOC         /*End of configureation*/
  46         };
  47         /* configure MFP's */
  48         mfp_config(mfp_cfg);
  49
  50         return 0;
  51 }
  52
  53 int board_init(void)
  54 {
  55         /* arch number of Board */
  56         gd->bd->bi_arch_number = MACH_TYPE_TTC_DKB;
  57         /* adress of boot parameters */
  58         gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100;
  59         return 0;
  60 }
  61
  62 #ifdef CONFIG_GENERIC_MMC
  63 #define I2C_SLAVE_ADDR  0x34
  64 #define LDO13_REG       0x28
  65 #define LDO_V30         0x6
  66 #define LDO_VOLTAGE(x)  ((x & 0x7) << 1)
  67 #define LDO_EN          0x1
  68 int board_mmc_init(bd_t *bd)
  69 {
  70         ulong mmc_base_address[CONFIG_SYS_MMC_NUM] = CONFIG_SYS_MMC_BASE;
  71         u8 i, data;
  72
  73         /* set LDO 13 to 3.0v */
  74         data = LDO_VOLTAGE(LDO_V30) | LDO_EN;
  75         i2c_write(I2C_SLAVE_ADDR, LDO13_REG, 1, &data, 1);
  76
  77         for (i = 0; i < CONFIG_SYS_MMC_NUM; i++) {
  78                 if (mv_sdh_init(mmc_base_address[i], 0, 0,
  79                                 SDHCI_QUIRK_32BIT_DMA_ADDR))
  80                         return 1;
  81         }
  82
  83         return 0;
  84 }
  85 #endif