diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.h b/drivers/scsi/ufs/ufs-qcom.h index db2c0a00e846..1b71a1b0be9f 100644 --- a/drivers/scsi/ufs/ufs-qcom.h +++ b/drivers/scsi/ufs/ufs-qcom.h @@ -58,6 +58,16 @@ enum { REG_UFS_CFG2 = 0xE0, REG_UFS_HW_VERSION = 0xE4, + UFS_TEST_BUS = 0xE8, + UFS_TEST_BUS_CTRL_0 = 0xEC, + UFS_TEST_BUS_CTRL_1 = 0xF0, + UFS_TEST_BUS_CTRL_2 = 0xF4, + UFS_UNIPRO_CFG = 0xF8, + +}; + +/* QCOM UFS host controller vendor specific debug registers */ +enum { UFS_DBG_RD_REG_UAWM = 0x100, UFS_DBG_RD_REG_UARM = 0x200, UFS_DBG_RD_REG_TXUC = 0x300, @@ -73,6 +83,9 @@ enum { UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, }; +#define TEST_BUS_EN BIT(18) +#define TEST_BUS_SEL GENMASK(22, 19) + /* bit definitions for REG_UFS_CFG2 register */ #define UAWM_HW_CGC_EN (1 << 0) #define UARM_HW_CGC_EN (1 << 1) @@ -83,6 +96,9 @@ enum { #define TMRLUT_HW_CGC_EN (1 << 6) #define OCSC_HW_CGC_EN (1 << 7) +/* bit definition for UFS_UFS_TEST_BUS_CTRL_n */ +#define TEST_BUS_SUB_SEL_MASK 0x1F /* All XXX_SEL fields are 5 bits wide */ + #define REG_UFS_CFG2_CGC_EN_ALL (UAWM_HW_CGC_EN | UARM_HW_CGC_EN |\ TXUC_HW_CGC_EN | RXUC_HW_CGC_EN |\ DFC_HW_CGC_EN | TRLUT_HW_CGC_EN |\ @@ -106,6 +122,15 @@ enum ufs_qcom_phy_init_type { UFS_PHY_INIT_CFG_RESTORE, }; +/* QCOM UFS debug print bit mask */ +#define UFS_QCOM_DBG_PRINT_REGS_EN BIT(0) +#define UFS_QCOM_DBG_PRINT_ICE_REGS_EN BIT(1) +#define UFS_QCOM_DBG_PRINT_TEST_BUS_EN BIT(2) + +#define UFS_QCOM_DBG_PRINT_ALL \ + (UFS_QCOM_DBG_PRINT_REGS_EN | UFS_QCOM_DBG_PRINT_ICE_REGS_EN | \ + UFS_QCOM_DBG_PRINT_TEST_BUS_EN) + static inline void ufs_qcom_get_controller_revision(struct ufs_hba *hba, u8 *major, u16 *minor, u16 *step) @@ -157,8 +182,13 @@ struct ufs_hw_version { u16 minor; u8 major; }; -struct ufs_qcom_host { +struct ufs_qcom_testbus { + u8 select_major; + u8 select_minor; +}; + +struct ufs_qcom_host { /* * Set this capability if host controller supports the QUniPro mode * and if driver wants the Host controller to operate in QUniPro mode. @@ -179,12 +209,17 @@ struct ufs_qcom_host { bool is_lane_clks_enabled; struct ufs_hw_version hw_ver; + /* Bitmask for enabling debug prints */ + u32 dbg_print_en; + struct ufs_qcom_testbus testbus; }; #define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba) #define ufs_qcom_is_link_active(hba) ufshcd_is_link_active(hba) #define ufs_qcom_is_link_hibern8(hba) ufshcd_is_link_hibern8(hba) +int ufs_qcom_testbus_config(struct ufs_qcom_host *host); + static inline bool ufs_qcom_cap_qunipro(struct ufs_qcom_host *host) { if (host->caps & UFS_QCOM_CAP_QUNIPRO) |