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Add driver code for Unisoc UFS host controller, along with UFS initialization. Signed-off-by: Zhe Wang <zhe.wang1@unisoc.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* UNISOC UFS Host Controller driver
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*
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* Copyright (C) 2022 Unisoc, Inc.
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* Author: Zhe Wang <zhe.wang1@unisoc.com>
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*/
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#ifndef _UFS_SPRD_H_
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#define _UFS_SPRD_H_
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/* Vendor specific attributes */
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#define RXSQCONTROL 0x8009
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#define CBRATESEL 0x8114
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#define CBCREGADDRLSB 0x8116
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#define CBCREGADDRMSB 0x8117
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#define CBCREGWRLSB 0x8118
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#define CBCREGWRMSB 0x8119
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#define CBCREGRDWRSEL 0x811C
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#define CBCRCTRL 0x811F
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#define CBREFCLKCTRL2 0x8132
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#define VS_MPHYDISABLE 0xD0C1
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#define APB_UFSDEV_REG 0xCE8
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#define APB_UFSDEV_REFCLK_EN 0x2
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#define APB_USB31PLL_CTRL 0xCFC
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#define APB_USB31PLLV_REF2MPHY 0x1
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#define SPRD_SIP_SVC_STORAGE_UFS_CRYPTO_ENABLE \
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ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
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ARM_SMCCC_SMC_32, \
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ARM_SMCCC_OWNER_SIP, \
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0x0301)
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enum SPRD_UFS_RST_INDEX {
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SPRD_UFSHCI_SOFT_RST,
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SPRD_UFS_DEV_RST,
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SPRD_UFS_RST_MAX
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};
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enum SPRD_UFS_SYSCON_INDEX {
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SPRD_UFS_ANLG,
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SPRD_UFS_AON_APB,
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SPRD_UFS_SYSCON_MAX
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};
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enum SPRD_UFS_VREG_INDEX {
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SPRD_UFS_VDD_MPHY,
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SPRD_UFS_VREG_MAX
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};
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struct ufs_sprd_rst {
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const char *name;
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struct reset_control *rc;
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};
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struct ufs_sprd_syscon {
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const char *name;
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struct regmap *regmap;
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};
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struct ufs_sprd_vreg {
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const char *name;
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struct regulator *vreg;
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};
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struct ufs_sprd_priv {
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struct ufs_sprd_rst rci[SPRD_UFS_RST_MAX];
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struct ufs_sprd_syscon sysci[SPRD_UFS_SYSCON_MAX];
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struct ufs_sprd_vreg vregi[SPRD_UFS_VREG_MAX];
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const struct ufs_hba_variant_ops ufs_hba_sprd_vops;
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};
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struct ufs_sprd_host {
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struct ufs_hba *hba;
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struct ufs_sprd_priv *priv;
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void __iomem *ufs_dbg_mmio;
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enum ufs_unipro_ver unipro_ver;
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};
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#endif /* _UFS_SPRD_H_ */
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