diff options
| author | Abel Vesa <abel.vesa@linaro.org> | 2022-09-27 22:58:00 +0300 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@linaro.org> | 2022-12-30 19:06:14 +0200 |
| commit | 8c15e6e2ec32a111ae6ac74b0bfb0e0d8cad1c22 (patch) | |
| tree | 9e4a50556b691b67585ae3f3b8e76856209ff10d | |
| parent | ed68afa1bc20b9413b3da4f9a78fe9ce3ae0d098 (diff) | |
ufs: host: ufs-qcom: Clear qunipro_g4_sel for HW version major 5
On SM8550, depending on the Qunipro, we can run with G5 or G4.
For now, when the major version is 5 or above, we go with G5.
Therefore, we need to specifically tell UFS HC that.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
| -rw-r--r-- | drivers/ufs/host/ufs-qcom.c | 4 | ||||
| -rw-r--r-- | drivers/ufs/host/ufs-qcom.h | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index ca60a5b0292b..72334aefe81c 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -227,6 +227,10 @@ static void ufs_qcom_select_unipro_mode(struct ufs_qcom_host *host) ufshcd_rmwl(host->hba, QUNIPRO_SEL, ufs_qcom_cap_qunipro(host) ? QUNIPRO_SEL : 0, REG_UFS_CFG1); + + if (host->hw_ver.major == 0x05) + ufshcd_rmwl(host->hba, QUNIPRO_G4_SEL, 0, REG_UFS_CFG0); + /* make sure above configuration is applied before we return */ mb(); } diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index 751ded3e3531..f428d60db450 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -36,6 +36,8 @@ enum { /* On older UFS revisions, this register is called "RETRY_TIMER_REG" */ REG_UFS_PARAM0 = 0xD0, REG_UFS_PA_LINK_STARTUP_TIMER = 0xD8, + /* Found on UFS versions above 2.x only */ + REG_UFS_CFG0 = 0xD8, REG_UFS_CFG1 = 0xDC, REG_UFS_CFG2 = 0xE0, REG_UFS_HW_VERSION = 0xE4, @@ -75,6 +77,7 @@ enum { /* bit definitions for REG_UFS_CFG1 register */ #define QUNIPRO_SEL BIT(0) +#define QUNIPRO_G4_SEL BIT(5) #define UFS_PHY_SOFT_RESET BIT(1) #define UTP_DBG_RAMS_EN BIT(17) #define TEST_BUS_EN BIT(18) |