src/drivers/generic/bayhub/bh720.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* Driver for BayHub Technology BH720 PCI to eMMC 5.0 HS200 bridge */
   4
   5 #include <types.h>
   6
   7 enum {
   8         BH720_PROTECT                   = 0xd0,
   9         BH720_PROTECT_LOCK_OFF          = 0,
  10         BH720_PROTECT_LOCK_ON           = BIT(0),
  11         BH720_PROTECT_OFF               = 0,
  12         BH720_PROTECT_ON                = BIT(31),
  13
  14         BH720_LINK_CTRL                 = 0x90,
  15         BH720_LINK_CTRL_L0_ENABLE       = BIT(0),
  16         BH720_LINK_CTRL_L1_ENABLE       = BIT(1),
  17         BH720_LINK_CTRL_CLKREQ          = BIT(8),
  18
  19         BH720_MISC2                     = 0xf0,
  20         BH720_MISC2_ASPM_DISABLE        = BIT(0),
  21         BH720_MISC2_APSM_CLKREQ_L1      = BIT(7),
  22         BH720_MISC2_APSM_PHY_L1         = BIT(10),
  23         BH720_MISC2_APSM_MORE           = BIT(12),
  24
  25         BH720_MEM_RW_DATA               = 0x200,
  26         BH720_MEM_RW_ADR                = 0x204,
  27         BH720_MEM_RW_READ               = BIT(30),
  28         BH720_MEM_RW_WRITE              = BIT(31),
  29         BH720_MEM_ACCESS_EN             = 0x208,
  30         BH720_PCR_DrvStrength_PLL       = 0x304,
  31         BH720_PCR_DATA_CMD_DRV_MAX      = 7,
  32         BH720_PCR_CLK_DRV_MAX           = 7,
  33         BH720_PCR_EMMC_SETTING          = 0x308,
  34         BH720_PCR_EMMC_SETTING_1_8V     = BIT(4),
  35
  36         BH720_RTD3_L1                   = 0x3e0,
  37         BH720_RTD3_L1_DISABLE_L1        = BIT(28),
  38
  39         BH720_PCR_CSR                   = 0x3e4,
  40         BH720_PCR_CSR_EMMC_MODE_SEL     = BIT(22),
  41 };