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| author | Yaniv Gardi <ygardi@codeaurora.org> | 2016-12-05 19:25:02 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-12-08 16:59:37 -0500 |
| commit | c01848c67d48aa51c4e80c76e1d08d9891d27a5a (patch) | |
| tree | 39c8132de3c89e066b1dbe254fc430903d116d5e /drivers/scsi/ufs | |
| parent | 70439e93345ec5605f1cb3fa7a8f70bc968e6cb2 (diff) | |
| download | linux-c01848c67d48aa51c4e80c76e1d08d9891d27a5a.tar.bz2 | |
scsi: ufs: add support for UFS HCI 2.1
The UFS HCI v2.1 includes a few additional registers. This change
updates the HCI register, the UFS version register content and the
Interrupt Status register.
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 29 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshci.h | 7 |
2 files changed, 32 insertions, 4 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0c75c75217f8..7af70aa0b750 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -288,10 +288,24 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask, */ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba) { - if (hba->ufs_version == UFSHCI_VERSION_10) - return INTERRUPT_MASK_ALL_VER_10; - else - return INTERRUPT_MASK_ALL_VER_11; + u32 intr_mask = 0; + + switch (hba->ufs_version) { + case UFSHCI_VERSION_10: + intr_mask = INTERRUPT_MASK_ALL_VER_10; + break; + /* allow fall through */ + case UFSHCI_VERSION_11: + case UFSHCI_VERSION_20: + intr_mask = INTERRUPT_MASK_ALL_VER_11; + break; + /* allow fall through */ + case UFSHCI_VERSION_21: + default: + intr_mask = INTERRUPT_MASK_ALL_VER_21; + } + + return intr_mask; } /** @@ -6667,6 +6681,13 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) /* Get UFS version supported by the controller */ hba->ufs_version = ufshcd_get_ufs_version(hba); + if ((hba->ufs_version != UFSHCI_VERSION_10) && + (hba->ufs_version != UFSHCI_VERSION_11) && + (hba->ufs_version != UFSHCI_VERSION_20) && + (hba->ufs_version != UFSHCI_VERSION_21)) + dev_err(hba->dev, "invalid UFS version 0x%x\n", + hba->ufs_version); + /* Get Interrupt bit mask per version */ hba->intr_mask = ufshcd_get_intr_mask(hba); diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h index 5d978867be57..8c5190e2e1c9 100644 --- a/drivers/scsi/ufs/ufshci.h +++ b/drivers/scsi/ufs/ufshci.h @@ -72,6 +72,10 @@ enum { REG_UIC_COMMAND_ARG_1 = 0x94, REG_UIC_COMMAND_ARG_2 = 0x98, REG_UIC_COMMAND_ARG_3 = 0x9C, + REG_UFS_CCAP = 0x100, + REG_UFS_CRYPTOCAP = 0x104, + + UFSHCI_CRYPTO_REG_SPACE_SIZE = 0x400, }; /* Controller capability masks */ @@ -275,6 +279,9 @@ enum { /* Interrupt disable mask for UFSHCI v1.1 */ INTERRUPT_MASK_ALL_VER_11 = 0x31FFF, + + /* Interrupt disable mask for UFSHCI v2.1 */ + INTERRUPT_MASK_ALL_VER_21 = 0x71FFF, }; /* |