Linux 5.1.15
[linux/fpc-iii.git] / drivers / scsi / ufs / ufs-hisi.h
blob667dfe39b57eaa8c0f40825b8cbeb9f73c7c7353
1 /*
2 * Copyright (c) 2017, HiSilicon. All rights reserved.
4 * Released under the GPLv2 only.
5 * SPDX-License-Identifier: GPL-2.0
6 */
8 #ifndef UFS_HISI_H_
9 #define UFS_HISI_H_
11 #define HBRN8_POLL_TOUT_MS 1000
14 * ufs sysctrl specific define
16 #define PSW_POWER_CTRL (0x04)
17 #define PHY_ISO_EN (0x08)
18 #define HC_LP_CTRL (0x0C)
19 #define PHY_CLK_CTRL (0x10)
20 #define PSW_CLK_CTRL (0x14)
21 #define CLOCK_GATE_BYPASS (0x18)
22 #define RESET_CTRL_EN (0x1C)
23 #define UFS_SYSCTRL (0x5C)
24 #define UFS_DEVICE_RESET_CTRL (0x60)
26 #define BIT_UFS_PSW_ISO_CTRL (1 << 16)
27 #define BIT_UFS_PSW_MTCMOS_EN (1 << 0)
28 #define BIT_UFS_REFCLK_ISO_EN (1 << 16)
29 #define BIT_UFS_PHY_ISO_CTRL (1 << 0)
30 #define BIT_SYSCTRL_LP_ISOL_EN (1 << 16)
31 #define BIT_SYSCTRL_PWR_READY (1 << 8)
32 #define BIT_SYSCTRL_REF_CLOCK_EN (1 << 24)
33 #define MASK_SYSCTRL_REF_CLOCK_SEL (0x3 << 8)
34 #define MASK_SYSCTRL_CFG_CLOCK_FREQ (0xFF)
35 #define UFS_FREQ_CFG_CLK (0x39)
36 #define BIT_SYSCTRL_PSW_CLK_EN (1 << 4)
37 #define MASK_UFS_CLK_GATE_BYPASS (0x3F)
38 #define BIT_SYSCTRL_LP_RESET_N (1 << 0)
39 #define BIT_UFS_REFCLK_SRC_SEl (1 << 0)
40 #define MASK_UFS_SYSCRTL_BYPASS (0x3F << 16)
41 #define MASK_UFS_DEVICE_RESET (0x1 << 16)
42 #define BIT_UFS_DEVICE_RESET (0x1)
45 * M-TX Configuration Attributes for Hixxxx
47 #define MPHY_TX_FSM_STATE 0x41
48 #define TX_FSM_HIBERN8 0x1
51 * Hixxxx UFS HC specific Registers
53 enum {
54 UFS_REG_OCPTHRTL = 0xc0,
55 UFS_REG_OOCPR = 0xc4,
57 UFS_REG_CDACFG = 0xd0,
58 UFS_REG_CDATX1 = 0xd4,
59 UFS_REG_CDATX2 = 0xd8,
60 UFS_REG_CDARX1 = 0xdc,
61 UFS_REG_CDARX2 = 0xe0,
62 UFS_REG_CDASTA = 0xe4,
64 UFS_REG_LBMCFG = 0xf0,
65 UFS_REG_LBMSTA = 0xf4,
66 UFS_REG_UFSMODE = 0xf8,
68 UFS_REG_HCLKDIV = 0xfc,
71 /* AHIT - Auto-Hibernate Idle Timer */
72 #define UFS_AHIT_AH8ITV_MASK 0x3FF
74 /* REG UFS_REG_OCPTHRTL definition */
75 #define UFS_HCLKDIV_NORMAL_VALUE 0xE4
77 /* vendor specific pre-defined parameters */
78 #define SLOW 1
79 #define FAST 2
81 #define UFS_HISI_LIMIT_NUM_LANES_RX 2
82 #define UFS_HISI_LIMIT_NUM_LANES_TX 2
83 #define UFS_HISI_LIMIT_HSGEAR_RX UFS_HS_G3
84 #define UFS_HISI_LIMIT_HSGEAR_TX UFS_HS_G3
85 #define UFS_HISI_LIMIT_PWMGEAR_RX UFS_PWM_G4
86 #define UFS_HISI_LIMIT_PWMGEAR_TX UFS_PWM_G4
87 #define UFS_HISI_LIMIT_RX_PWR_PWM SLOW_MODE
88 #define UFS_HISI_LIMIT_TX_PWR_PWM SLOW_MODE
89 #define UFS_HISI_LIMIT_RX_PWR_HS FAST_MODE
90 #define UFS_HISI_LIMIT_TX_PWR_HS FAST_MODE
91 #define UFS_HISI_LIMIT_HS_RATE PA_HS_MODE_B
92 #define UFS_HISI_LIMIT_DESIRED_MODE FAST
94 #define UFS_HISI_CAP_RESERVED BIT(0)
95 #define UFS_HISI_CAP_PHY10nm BIT(1)
97 struct ufs_hisi_host {
98 struct ufs_hba *hba;
99 void __iomem *ufs_sys_ctrl;
101 struct reset_control *rst;
103 uint64_t caps;
105 bool in_suspend;
108 #define ufs_sys_ctrl_writel(host, val, reg) \
109 writel((val), (host)->ufs_sys_ctrl + (reg))
110 #define ufs_sys_ctrl_readl(host, reg) readl((host)->ufs_sys_ctrl + (reg))
111 #define ufs_sys_ctrl_set_bits(host, mask, reg) \
112 ufs_sys_ctrl_writel( \
113 (host), ((mask) | (ufs_sys_ctrl_readl((host), (reg)))), (reg))
114 #define ufs_sys_ctrl_clr_bits(host, mask, reg) \
115 ufs_sys_ctrl_writel((host), \
116 ((~(mask)) & (ufs_sys_ctrl_readl((host), (reg)))), \
117 (reg))
119 #endif /* UFS_HISI_H_ */