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ufs/hpb: enable Micron HPB feature

Browse source 
Remark:
1. enable Micron HPB.
2. configure write booster as JEDEC WB for Micron.

Change-Id: Ic256689254187059ed97004e2305b147259f1e6a
Signed-off-by: fuxm1 <fuxm1@motorola.com>
Reviewed-on: https://gerrit.mot.com/1959521
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Reviewed-by: Zhenxin Xi <xizx@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
fuxm1 2021-05-25 21:16:23 +08:00 • committed by Xiaojun Ji
commit d9cbdd72fc
5 changed files with 17 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

3
arch/arm64/configs/vendor/ext_config/moto-holi-denver.config vendored
View file

@ -24,3 +24,6 @@ CONFIG_ZRAM_WRITEBACK=y
# CONFIG_UFSHPB is not set
# CONFIG_UFSTW is not set
# CONFIG_SCSI_SKHPB is not set
# CONFIG_UFSTW_IGNORE_GUARANTEE_BIT is not set
# CONFIG_UFSTW_BOOT_ENABLED is not set
# CONFIG_MICRON_HPB is not set

3
arch/arm64/configs/vendor/ext_config/moto-holi-ibiza.config vendored
View file

@ -22,3 +22,6 @@ CONFIG_ZRAM_WRITEBACK=y
# CONFIG_UFSHPB is not set
# CONFIG_UFSTW is not set
# CONFIG_SCSI_SKHPB is not set
# CONFIG_UFSTW_IGNORE_GUARANTEE_BIT is not set
# CONFIG_UFSTW_BOOT_ENABLED is not set
# CONFIG_MICRON_HPB is not set

3
arch/arm64/configs/vendor/holi_QGKI.config vendored
View file

@ -202,4 +202,7 @@ CONFIG_QTI_DEVFREQ_VDD_COOLING_DEVICE=y
CONFIG_UFSFEATURE=y
CONFIG_UFSHPB=y
CONFIG_UFSTW=y
CONFIG_UFSTW_IGNORE_GUARANTEE_BIT=y
CONFIG_UFSTW_BOOT_ENABLED=y
CONFIG_SCSI_SKHPB=y
CONFIG_MICRON_HPB=y

11
drivers/scsi/ufs/ufshcd.c
View file

@ -7487,6 +7487,13 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf)
goto wb_disabled;
}
#if defined(CONFIG_UFSTW)
//disable write booster for samsung ufs. turbo write feature is used on samsung v6 or v5 ufs.
if (dev_info->wmanufacturerid == UFS_VENDOR_SAMSUNG) {
dev_err(hba->dev, "%s: it is samsung ufs, just disable wb, will enable TW.wb_disable \n",__func__);
goto wb_disabled;
}
#endif
/*
* WB may be supported but not configured while provisioning.
* The spec says, in dedicated wb buffer mode,
@ -9863,7 +9870,6 @@ static int get_storage_info(struct ufs_hba *hba)
struct property *p;
struct device_node *n;
struct storage_info *info;
unsigned int mfrid;
n = of_find_node_by_path("/chosen/mmi,storage");
if (n == NULL) {
@ -9894,8 +9900,7 @@ static int get_storage_info(struct ufs_hba *hba)
of_node_put(n);
mfrid = simple_strtol(info->card_manufacturer, NULL, 16);
dev_info(hba->dev, "manufacturer parsed from choosen is %s\n",mfrid);
dev_info(hba->dev, "manufacturer parsed from choosen is %s\n",info->card_manufacturer);
err:
return ret;
}

4
drivers/scsi/ufs/ufshcd.h
View file

@ -1160,11 +1160,7 @@ static inline bool ufshcd_is_auto_hibern8_enabled(struct ufs_hba *hba)
static inline bool ufshcd_is_wb_allowed(struct ufs_hba *hba)
{
#if defined(CONFIG_UFSTW)
return false;
#else
return hba->caps & UFSHCD_CAP_WB_EN;
#endif
}
#define ufshcd_writel(hba, val, reg) \