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-rw-r--r--drivers/scsi/ufs/ufs-hisi.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-hisi.h b/drivers/scsi/ufs/ufs-hisi.h
new file mode 100644
index 000000000000..3df9cd7acc29
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-hisi.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2017, HiSilicon. All rights reserved.
+ *
+ * Released under the GPLv2 only.
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef UFS_HISI_H_
+#define UFS_HISI_H_
+
+#define HBRN8_POLL_TOUT_MS 1000
+
+/*
+ * ufs sysctrl specific define
+ */
+#define PSW_POWER_CTRL (0x04)
+#define PHY_ISO_EN (0x08)
+#define HC_LP_CTRL (0x0C)
+#define PHY_CLK_CTRL (0x10)
+#define PSW_CLK_CTRL (0x14)
+#define CLOCK_GATE_BYPASS (0x18)
+#define RESET_CTRL_EN (0x1C)
+#define UFS_SYSCTRL (0x5C)
+#define UFS_DEVICE_RESET_CTRL (0x60)
+
+#define BIT_UFS_PSW_ISO_CTRL (1 << 16)
+#define BIT_UFS_PSW_MTCMOS_EN (1 << 0)
+#define BIT_UFS_REFCLK_ISO_EN (1 << 16)
+#define BIT_UFS_PHY_ISO_CTRL (1 << 0)
+#define BIT_SYSCTRL_LP_ISOL_EN (1 << 16)
+#define BIT_SYSCTRL_PWR_READY (1 << 8)
+#define BIT_SYSCTRL_REF_CLOCK_EN (1 << 24)
+#define MASK_SYSCTRL_REF_CLOCK_SEL (0x3 << 8)
+#define MASK_SYSCTRL_CFG_CLOCK_FREQ (0xFF)
+#define UFS_FREQ_CFG_CLK (0x39)
+#define BIT_SYSCTRL_PSW_CLK_EN (1 << 4)
+#define MASK_UFS_CLK_GATE_BYPASS (0x3F)
+#define BIT_SYSCTRL_LP_RESET_N (1 << 0)
+#define BIT_UFS_REFCLK_SRC_SEl (1 << 0)
+#define MASK_UFS_SYSCRTL_BYPASS (0x3F << 16)
+#define MASK_UFS_DEVICE_RESET (0x1 << 16)
+#define BIT_UFS_DEVICE_RESET (0x1)
+
+/*
+ * M-TX Configuration Attributes for Hixxxx
+ */
+#define MPHY_TX_FSM_STATE 0x41
+#define TX_FSM_HIBERN8 0x1
+
+/*
+ * Hixxxx UFS HC specific Registers
+ */
+enum {
+ UFS_REG_OCPTHRTL = 0xc0,
+ UFS_REG_OOCPR = 0xc4,
+
+ UFS_REG_CDACFG = 0xd0,
+ UFS_REG_CDATX1 = 0xd4,
+ UFS_REG_CDATX2 = 0xd8,
+ UFS_REG_CDARX1 = 0xdc,
+ UFS_REG_CDARX2 = 0xe0,
+ UFS_REG_CDASTA = 0xe4,
+
+ UFS_REG_LBMCFG = 0xf0,
+ UFS_REG_LBMSTA = 0xf4,
+ UFS_REG_UFSMODE = 0xf8,
+
+ UFS_REG_HCLKDIV = 0xfc,
+};
+
+/* AHIT - Auto-Hibernate Idle Timer */
+#define UFS_AHIT_AH8ITV_MASK 0x3FF
+
+/* REG UFS_REG_OCPTHRTL definition */
+#define UFS_HCLKDIV_NORMAL_VALUE 0xE4
+
+/* vendor specific pre-defined parameters */
+#define SLOW 1
+#define FAST 2
+
+#define UFS_HISI_LIMIT_NUM_LANES_RX 2
+#define UFS_HISI_LIMIT_NUM_LANES_TX 2
+#define UFS_HISI_LIMIT_HSGEAR_RX UFS_HS_G3
+#define UFS_HISI_LIMIT_HSGEAR_TX UFS_HS_G3
+#define UFS_HISI_LIMIT_PWMGEAR_RX UFS_PWM_G4
+#define UFS_HISI_LIMIT_PWMGEAR_TX UFS_PWM_G4
+#define UFS_HISI_LIMIT_RX_PWR_PWM SLOW_MODE
+#define UFS_HISI_LIMIT_TX_PWR_PWM SLOW_MODE
+#define UFS_HISI_LIMIT_RX_PWR_HS FAST_MODE
+#define UFS_HISI_LIMIT_TX_PWR_HS FAST_MODE
+#define UFS_HISI_LIMIT_HS_RATE PA_HS_MODE_B
+#define UFS_HISI_LIMIT_DESIRED_MODE FAST
+
+struct ufs_hisi_host {
+ struct ufs_hba *hba;
+ void __iomem *ufs_sys_ctrl;
+
+ struct reset_control *rst;
+
+ uint64_t caps;
+
+ bool in_suspend;
+};
+
+#define ufs_sys_ctrl_writel(host, val, reg) \
+ writel((val), (host)->ufs_sys_ctrl + (reg))
+#define ufs_sys_ctrl_readl(host, reg) readl((host)->ufs_sys_ctrl + (reg))
+#define ufs_sys_ctrl_set_bits(host, mask, reg) \
+ ufs_sys_ctrl_writel( \
+ (host), ((mask) | (ufs_sys_ctrl_readl((host), (reg)))), (reg))
+#define ufs_sys_ctrl_clr_bits(host, mask, reg) \
+ ufs_sys_ctrl_writel((host), \
+ ((~(mask)) & (ufs_sys_ctrl_readl((host), (reg)))), \
+ (reg))
+#endif /* UFS_HISI_H_ */