bh720.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/* Driver for BayHub Technology BH720 PCI to eMMC 5.0 HS200 bridge */
 
#include <types.h>
 
enum {
        BH720_PROTECT                   = 0xd0,
        BH720_PROTECT_LOCK_OFF          = 0,
        BH720_PROTECT_LOCK_ON           = BIT(0),
        BH720_PROTECT_OFF               = 0,
        BH720_PROTECT_ON                = BIT(31),
 
        BH720_LINK_CTRL                 = 0x90,
        BH720_LINK_CTRL_L0_ENABLE       = BIT(0),
        BH720_LINK_CTRL_L1_ENABLE       = BIT(1),
        BH720_LINK_CTRL_CLKREQ          = BIT(8),
 
        BH720_MISC2                     = 0xf0,
        BH720_MISC2_ASPM_DISABLE        = BIT(0),
        BH720_MISC2_APSM_CLKREQ_L1      = BIT(7),
        BH720_MISC2_APSM_PHY_L1         = BIT(10),
        BH720_MISC2_APSM_MORE           = BIT(12),
 
        BH720_MEM_RW_DATA               = 0x200,
        BH720_MEM_RW_ADR                = 0x204,
        BH720_MEM_RW_READ               = BIT(30),
        BH720_MEM_RW_WRITE              = BIT(31),
        BH720_MEM_ACCESS_EN             = 0x208,
        BH720_PCR_DrvStrength_PLL       = 0x304,
        BH720_PCR_DATA_CMD_DRV_MAX      = 7,
        BH720_PCR_CLK_DRV_MAX           = 7,
        BH720_PCR_EMMC_SETTING          = 0x308,
        BH720_PCR_EMMC_SETTING_1_8V     = BIT(4),
 
        BH720_RTD3_L1                   = 0x3e0,
        BH720_RTD3_L1_DISABLE_L1        = BIT(28),
 
        BH720_PCR_CSR                   = 0x3e4,
        BH720_PCR_CSR_EMMC_MODE_SEL     = BIT(22),
};