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GL9763E enters ASPM L1 state after a very short idle in default,
even during a burst of request. So the R/W performance of GL9763E
is low with some platforms, which support ASPM mechanism, due to
entering ASPM L1 state very frequently in R/W process. Set the L1
entry delay bits in vendor-specific register to 0x3FF to enlarge
the idle period to 260us for improving the R/W performance
of GL9763E.
Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210115054736.27769-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add a vendor-specific bit named GLI_9763E_MB_ERP_ON at the bit7 of
register 888h to decide whether to enhance random R/W performance
of GL9763E. CQHCI support will be enabled if and only if the bit is
set and the GLI_9763E_MB_CMQ_OFF bit is not set.
Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210106085332.5494-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The GL9763E uses 150Mhz (slow mode) by default in HS400 mode. In order
to make HS400 mode run at 200Mhz, the slow mode needs to be turned off.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20201125110145.2824-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
For GL9755, reduce power consumption by lowering the LFCLK and disabling
the DMACLK on low-power.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20201123053702.6083-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add CQHCI initialization and implement CQHCI operations for GL9763E.
Use bit19 of the register (0x888) to decide whether to disable command
queuing. If the bit is set, the command queuing will be disabled.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20201005105509.11343-1-ben.chuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
GL9763E supports High Speed SDR, High Speed DDR, HS200, HS400, Enhanced
Strobe in HS400 mode, 1/4/8 bits data bus and 3.3/1.8V.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20200508064154.13473-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Need to clear some bits in a vendor-defined register after reboot from
Windows 10.
Fixes: e51df6ce66 ("mmc: host: sdhci-pci: Add Genesys Logic GL975x support")
Reported-by: Grzegorz Kowal <custos.mentis@gmail.com>
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Grzegorz Kowal <custos.mentis@gmail.com>
Link: https://lore.kernel.org/r/20200504063957.6638-1-benchuanggli@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The kernel prints a message similar to
"[ 28.881959] do_IRQ: 5.36 No irq handler for vector"
when GL975x resumes from suspend. Implement a resume callback to fix this.
Fixes: 31e43f3189 ("mmc: sdhci-pci-gli: Enable MSI interrupt for GL975x")
Co-developed-by: Renius Chen <renius.chen@genesyslogic.com.tw>
Signed-off-by: Renius Chen <renius.chen@genesyslogic.com.tw>
Tested-by: Dave Flogeras <dflogeras2@gmail.com>
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Tested-by: Vineeth Pillai <vineethrp@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200427103048.20785-1-benchuanggli@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
[Samuel Zou: Make sdhci_pci_gli_resume() static]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Enable MSI interrupt for GL9750/GL9755. Some platforms
do not support PCI INTx and devices can not work without
interrupt. Like messages below:
[ 4.487132] sdhci-pci 0000:01:00.0: SDHCI controller found [17a0:9755] (rev 0)
[ 4.487198] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.PBR2._PRT.APS2], AE_NOT_FOUND (20190816/psargs-330)
[ 4.487397] ACPI Error: Aborting method \_SB.PCI0.PBR2._PRT due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
[ 4.487707] pcieport 0000:00:01.3: can't derive routing for PCI INT A
[ 4.487709] sdhci-pci 0000:01:00.0: PCI INT A: no GSI
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Tested-by: Raul E Rangel <rrangel@chromium.org>
Fixes: e51df6ce66 ("mmc: host: sdhci-pci: Add Genesys Logic GL975x support")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200219092900.9151-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for the GL9750 and GL9755 chipsets.
Enable v4 mode and wait 5ms after set 1.8V signal enable for GL9750/
GL9755. Fix the value of SDHCI_MAX_CURRENT register and use the vendor
tuning flow for GL9750.
Co-developed-by: Michael K Johnson <johnsonm@danlj.org>
Signed-off-by: Michael K Johnson <johnsonm@danlj.org>
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
