summaryrefslogtreecommitdiff
path: root/drivers/mmc
AgeCommit message (Collapse)Author
2013-05-31mmc: sdhci: Remove command time out print statementNaveen Kumar Arepalli
1. Remove command time out print statement, huge number of these prints will cause device hang. 2. There is a sys fs interface to identify the number of time out errors occured for an sdmmc device Bug 1274359 Reviewed-on: http://git-master/r/232125 (cherry picked from commit 5d3ecf92c7ff03dca180776e245a94d2c3ee5e6c) Change-Id: I428f4fc60b99142e782514f2f06f66759082de5b Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/233696 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: R Raj Kumar <rrajk@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-05-29mmc: tegra: Fix tuning for multiple freqsPavan Kunapuli
When DFS is enabled and tuning is run for multiple frequencies, ensure that tuning settings/flags are maintained indenpendently for each frequency. Bug 1238045 Change-Id: Id4bde8d93c89b9e0188948fba37402f3251ff578 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/233344 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-05-28mmc: tegra: Enable tegra_sdhci_get_ro for t114Naveen Kumar Arepalli
Enable tegra_sdhci_get_ro for t114, because we are using wp gpio for sdmmc Bug 1288218 Change-Id: I1e0922da98071cd1ec4d03e35c550c472ac60621 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/231443 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-05-24mmc: tegra: Boost sclk and emc clk's for sdmmcNaveen Kumar Arepalli
Boost emc, sclk clock to 150 MHz for sdmmc Boosting emc and sclk helps in sdmmc kpi. Bug 1276208 Bug 1294076 Reviewed-on: http://git-master/r/230090 (cherry picked from commit d916c03439b91bd68c5ad7f4ac2a0c64a29d417c) Change-Id: I472e009b369fcaa87b3c44e2c49a86bf1d857b18 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/232083 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-05-23mmc: host: tegra: Remove runtime DPD support in SDrrajk
Removed runtime DPD configuration support from SD driver. Bug 1191332 Change-Id: I389ca46a302e30556d2823709a46816a582c26e4 Reviewed-on: http://git-master/r/227045 (cherry picked from commit 9ab1ae335d969eeffe5fc6c7f57e4b0a383ce20c) Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/231644 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-05-21mmc: tegra: Set override voltages with dvfs APIsPavan Kunapuli
Set tuning override voltages using dvfs APIs rather than regulators. During boot, if the minimum override voltage cannot be set, schedule for retuning. Bug 1246712 Change-Id: Ie467b4250107c9745d34859ec2a405aa42024186 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/212682 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-05-15mmc: sdhci: Issue sdhci RTPM put() after tuningrrajk
sdhci RTPM get() is calling before tuning, so corresponding sdhci RTPM put() should be issued after tuning as well. Bug 1249832 Change-Id: I47fb448968db7ba889229e51366ace2f60ac1874 Reviewed-on: http://git-master/r/224915 (cherry picked from commit fdb087557256667e4303ae2d0f29b3d2dede1970) Signed-off-by: rrajk <rrajk@nvidia.com> Change-Id: Ifa0cc5b98a17177d11f17c6b7ead85ecd611edf8 Reviewed-on: http://git-master/r/228212 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-05-07mmc: tegra: Consider zero trim value as validNaveen Kumar Arepalli
Trim value of 0 is also valid and needs to be set explicitly as the default trim value after reset could be non-zero in some cases. Bug 1156152 Change-Id: I19148189082368a2bb21450478bcfc566c2e43ca Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/225170 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-05-03mmc: tegra: Boost sclk and emc clk's for sdmmc4Naveen Kumar Arepalli
Boost emc clock to 100 MHz Enable sclk for sdmmc4 and set 80MHz Bug 1262190 Change-Id: Ibb5725ab1a65e57da52250c679bce9f41b181db9 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/222371 Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User
2013-04-18mmc: core: Make devfreq_init call conditionalPavan Kunapuli
devfreq_init should be called only if the host indicates support for dynamic frequency scaling by setting MMC_CAP2_FREQ_SCALING flag. Change-Id: Ifa6c78fba310cafb7644a1cdc8ed9c7fd1784b22 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/219841 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-16mmc: core: set device min_freq to 0Naveen Kumar Arepalli
set device min_freq to 0, It should not be f_min Bug 1238045 Bug 1044607 Change-Id: Ifc10a4375953e52f6d414beff0ebc09057914d14 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/219437 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-15mmc: tegra: Dynamic frequency calculationPavan Kunapuli
Calculate the desired frequencies for eMMC and SDIO if dynamic frequency scaling is enabled. The algorithm determines the frequency based on the active and idle loads measured at periodic intervals. The dfs stats are exposed through sysfs and the polling interval and active load threshold values are set as user configurable options. Bug 1238045 Bug 1044607 Change-Id: Ic1509b07320608a53c85a2dcee533a3b0b2a9e97 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/219368 Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit
2013-04-15mmc: Register for device frequency scalingNaveen Kumar Arepalli
If CONFIG_MMC_FREQ_SCALING is enabled, register for device frequency scaling. Bug 1044607 Change-Id: I6633f61ad3fc2dcd4c468954906b23ce0a3545fe Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/214993 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-15mmc: tegra: Execute tuning for multiple frequenciesNaveen Kumar Arepalli
Execute tuning for multiple frequencies to save the best tap values at each frequency Bug 1238045 Bug 1044607 Change-Id: Ia8a74d9a63d73f10470c9675de868f5652cfbb8d Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/208822 Reviewed-by: Mrutyunjay Sawant <msawant@nvidia.com> Tested-by: Mrutyunjay Sawant <msawant@nvidia.com>
2013-04-10mmc:sdhci:reduce level of '512 byte block' warningNaveen Kumar S
Reduced severity of the message informing usage of 512 bytes block size from pr_warning to pr_info. Bug 1166542 Change-Id: Ibc49bfad7eb5d70e2baff76af68f0462371489e8 Signed-off-by: Naveen Kumar S <nkumars@nvidia.com> Reviewed-on: http://git-master/r/195402 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-04-10mmc: sdhci: Support MMC freq scaling governorPavan Kunapuli
Added the functions to be used for determining the device frequency when mmc frequency is enabled. An optional callback is added to be used by the platform drivers for custom algorithms. Bug 1238045 Bug 1044607 Change-Id: I6ef56ec4dbdf35da4deef1a09536b9f77a1b7a47 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/213619 Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-10mmc: sdio: Register for device frequency scalingPavan Kunapuli
If CONFIG_MMC_FREQ_SCALING is enabled, register for device frequency scaling. Bug 1238045 Change-Id: I11bb807a4658246b18fa41b4e59c63271c5c00f0 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/213013 Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-10mmc: core: Dynamic freq scaling for SD,MMC,SDIOPavan Kunapuli
Added support for dynamic frequency scaling of SD,MMC,SDIO devices. The device is registered with devfreq framework after enumeration if CONFIG_MMC_FREQ_SCALING is enabled. MMC frequency governor is added to dynamically scale the frequency. The governor doesn't use central polling but schedules a work to poll the status of the device periodically. Optional callbacks are provided to have custom algorithms for determining the frequency. Bug 1238045 Bug 1044607 Change-Id: Ic7f5669c784afa759ad52bf8373011838a76c01c Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/213012 GVS: Gerrit_Virtual_Submit Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
2013-04-03mmc: tegra: Write xfer_mode, CMD regs in togetherPavan Kunapuli
If there is a gap between xfer mode and command register writes, tegra SDMMC controller can sometimes issue a spurious command before the CMD register is written. To avoid this, these two registers need to be written together in a single write operation. Bug 1263858 Change-Id: I78563dd06e3a601fe0574ddd4b9efcb99459af6b Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/215050 Reviewed-by: Mrutyunjay Sawant <msawant@nvidia.com> Tested-by: Mrutyunjay Sawant <msawant@nvidia.com>
2013-04-03mmc: tegra: Add tuning retries for failing tapsPavan Kunapuli
Retry if frequency tuning fails for any tap value. Consider the tap value as passing if tuning retry is a success. Bug 1167519 Change-Id: I4bf121ddd5f70134cdc376ca41d37eda82c61ffd Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/212042 Reviewed-by: Mrutyunjay Sawant <msawant@nvidia.com> Tested-by: Mrutyunjay Sawant <msawant@nvidia.com>
2013-04-02mmc: tegra: Support sdhci rails off before rebootKen Chang
Bug 1222606 Bug 1242658 Change-Id: I1f6aeab31d42d953fe73cecacb7a3d117054090c Signed-off-by: Ken Chang <kenc@nvidia.com> (cherry picked from commit b00f8fbe8a3ce474d6f64a9aed9ef7f592ea8e77) Reviewed-on: http://git-master/r/208324 Reviewed-on: http://git-master/r/213886 GVS: Gerrit_Virtual_Submit Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2013-03-22mmc: tegra: Fix SDR50 mode clk raterrajk
In SDR50 mode, it is not required to set the controller clk to double the requested clk for the platforms other than T30. Bug 1249696 Change-Id: I8fc8ec31c3bf99ff604cbcc4eb24f14525c9f6b0 Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/209578 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-22mmc: host: tegra: Set clk rate to default clkrrajk
Set clk rate to default clk rate before selecting pll_c as a clk parent in order to avoid the dvfs failures triggered during the set parent process. Change-Id: I9e2af72820689b9e0ea64a612f287ac67f3e5a73 Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/208067 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-21mmc: tegra: Forcing feed back clock as defaultNaveen Kumar Arepalli
Explicitly Enable FEEDBACK INPUT_IO_CLk for sdmmc Bug 1239457 Bug 1252268 Change-Id: Ib8de546b6630c7a12c31a90fd9a2465ea604c564 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/202921 GVS: Gerrit_Virtual_Submit Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
2013-03-18mmc: core: remove redundant HPI enable routine.Roger Hsieh
It's unnecessary to call HPI enable twice. Remove 1st copy for code clean-up. Bug 1251431 Change-Id: I891c9c4f6110e41864edc291d71a9c6a99112641 Signed-off-by: Roger Hsieh <rhsieh@nvidia.com> Reviewed-on: http://git-master/r/210266 GVS: Gerrit_Virtual_Submit Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2013-03-18mmc: host: Enable packed command for eMMC4.5Naveen Kumar Arepalli
Enable packed command support for eMMC4.5 devices Bug 1242730 Change-Id: I6c68c5477cd20b49230ac04f17351de8ff4a3b1d Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/203327 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
2013-03-15mmc: tegra: Enable MMC_CAP_CMD23Naveen Kumar Arepalli
Enable MMC_CAP_CMD23 for SDMMC Bug 1242730 Change-Id: Idda40647870dc198ce7105e32d60406404674437 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206245 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
2013-03-15Revert "mmc: block: Ignore mmc_blk_abort for out_of_range"Naveen Kumar Arepalli
This reverts commit 24312e84e15f2ead4d372b8678b56349fab27988. Bug 947965 Bug 1194300 Change-Id: Icf54d83ccb4a92d78bc613117c75344c2979f214 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/194664 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-14mmc: tegra: Enable cache control for eMMC4.5 deviceNaveen Kumar Arepalli
Enable cache control for eMMC4.5 devices. Bug 1247699 Bug 1238635 Change-Id: Id0ede63599e8c3713fc2b95f0741cbcd1e7086bc Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/203326 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-13mmc: Tegra: Fix calculation for partial_win_tapGraziano Misuraca
Bug 1241780 Change-Id: I1dd88a0a463fa90908a4a4bfe749fa526eba3689 Signed-off-by: Graziano Misuraca <gmisuraca@nvidia.com> Reviewed-on: http://git-master/r/205283 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-13mmc: support packed write command for eMMC4.5 devicesSeungwon Jeon
This patch supports packed write command of eMMC4.5 devices. Several writes can be grouped in packed command and all data of the individual commands can be sent in a single transfer on the bus. Large amounts of data in one transfer rather than several data of small size are effective for eMMC write internally. As a result, packed command help write throughput be improved. The following tables show the results of packed write. Type A: test none | packed iozone 25.8 | 31 tiotest 27.6 | 31.2 lmdd 31.2 | 35.4 Type B: test none | packed iozone 44.1 | 51.1 tiotest 47.9 | 52.5 lmdd 51.6 | 59.2 Type C: test none | packed iozone 19.5 | 32 tiotest 19.9 | 34.5 lmdd 22.8 | 40.7 Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Maya Erez <merez@codeaurora.org> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit ce39f9d17c14e56ea6772aa84393e6e0cc8499c4) Bug 1242730 Change-Id: I634389c3daefe7f10c3f8ef0a373f7520923e6c1 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206219 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-13mmc: add packed command feature of eMMC4.5Seungwon Jeon
This patch adds packed command feature of eMMC4.5. The maximum number for packing read (or write) is offered and exception event relevant to packed command which is used for error handling is enabled. If host wants to use this feature, MMC_CAP2_PACKED_CMD should be set. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit abd9ac144947d9a604beb763339e2f77ce8bec79) Bug 1242730 Change-Id: I739489b759f1b3d58e544307c2bed8572c091323 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206218 Reviewed-by: Riham Haidar <rhaidar@nvidia.com> Tested-by: Riham Haidar <rhaidar@nvidia.com>
2013-03-11mmc: block: Allow disabling 512B sector size emulationSaugata Das
This patch adds support for large sector size of 4KB by disabling emulation. This patch passes eMMC DATA_SECTOR_SIZE as the logical block size during mmc_blk_alloc_req. In order to use this patch for 4KB sector size, ensure that USE_NATIVE_SECTOR is enabled, partition table is 4KB sector size aligned and file system block and sector size are 4KB multiples. Signed-off-by: Saugata Das <saugata.das@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit a5075eb94837edde6833fd5e0277fc2370cf8b39) Bug 1242730 Change-Id: Ie99b9c44dcdd84238e1d518caeac0800e697d2ce Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206931 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-11mmc: block: don't start new request when the card is removedSeungwon Jeon
It's not necessary to start a new request while error handling if the card was removed. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit 7a81902fa52f2b6f5037e167f74ebb5a41cfc7d1) Bug 1242730 Change-Id: Ia585664bc4125af9b0f121237f79ed3e5d45c910 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206930 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-11Revert "mmc: core: Support packed command for eMMC4.5 device"Naveen Kumar Arepalli
Packed command implementation is available in Upstream. Use Upstream Packed comamnd code. Bug 1242730 This reverts commit fa3a748000b65ad4854a95761b6067f89f1c4c61. Change-Id: I807d6911aa20e9fe1664686bf43811bec7d274f5 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/206215 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-08mmc: tegra: move postreset code to reset exitNaveen Kumar Arepalli
move postreset code to reset exit. Bug 1239457 Change-Id: Icb5f2f3f0dbf8c7d89c3eca7e7df13b71d2db1ce Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/207014 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-08mmc: host: Add support for EDPrrajk
Added EDP support for eMMC/micro SD Bug 1160688 Change-Id: Ia333cfb59b555526344bf884c14797f899d02558 Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/202566 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-03-06Merge branch 'linux-3.4.35' into rel-17Sachin Nikam
Bug 1243631 Change-Id: I915826047b2e20f0ad0a7d75df295c6cbf6e5b0a
2013-03-05mmc: host: sdhci: Add data/cmd error printsrrajk
Added data and cmd error prints to debug the system. Change-Id: Ia98abecc51373cfe1674b074db413187e460786e Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/204140 GVS: Gerrit_Virtual_Submit Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-02-28mmc: sdhci-esdhc-imx: fix host version readShawn Guo
commit ef4d0888bb7e1b963880f086575081c3d39cad2d upstream. When commit 95a2482 (mmc: sdhci-esdhc-imx: add basic imx6q usdhc support) works around host version issue on imx6q, it gets the register address fixup "reg ^= 2" lost for imx25/35/51/53 esdhc. Thus, the controller version on these SoCs is wrongly identified as v1 while it's actually v2. Add the address fixup back and take a different approach to correct imx6q host version, so that the host version read gets back to work for all SoCs. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-22mmc: Limit MMC speed to 52MHz if not HS200Al Cooper
If "caps2" host capabilities does not indicate support for MMC HS200, don't allow clock speeds >52MHz. Currently, for MMC, the clock speed is set to the lesser of the max speed the eMMC module supports (card->ext_csd.hs_max_dtr) or the max base clock of the host controller (host->f_max based on BASE_CLK_FREQ in the host CAPS register). This means that a host controller that doesn't support HS200 mode but has a base clock of 100MHz and an eMMC module that supports HS200 speeds will end up using a 100MHz clock. Signed-off-by: Al Cooper <alcooperx@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit ccb52a00fd3fdea428e29816cbacb0a78090d474) Change-Id: I2967fcc733b7178bdf54d6f75f65bdff253fc1cc Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/202051 Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-02-22mmc: core: fix the decision of HS200/DDR card-typeSeungwon Jeon
Current implementation decides the card type exclusively. Even though eMMC device can support both HS200 and DDR mode, card type will be set only for HS200. If the host doesn't support HS200 but has DDR capability, then DDR mode can't be selected. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Chris Ball <cjb@laptop.org> (cherry picked from commit 96cf5f02aee8bbeff38824b18b9ec583d687f846) Change-Id: Id2b9095f8ffe59c520850acd40681a9ef15c3ff9 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/202050 Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
2013-02-22mmc: tegra: Enable HS200 mode supportPavan Kunapuli
Set MMC_CAP2_HS200 to enable HS200 mode support. Increase sdmmc4 base clock frequency of T114 chip to 208MHz. Bug 1225343 Change-Id: Ica171c8fe093f0c0ab35b4c46c2dcebaecf25134 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/196484 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-02-20mmc: tegra: Restore tuned tap value in resumePavan Kunapuli
For devices that are powered on across suspend, restore the tuned tap value during resume. In other cases, set the default tap value. Bug 1237695 Change-Id: I38ba01931267d7e6c79b32a4855b4bb60a1ce003 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/201752 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Rakesh Kumar <krakesh@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
2013-02-14mmc: tegra: Choose appropriate clk parentrrajk
choose either pll_c or pll_p as the clk source for sdmmc in order to set a frequency as close as possible to desired clock rate. Bug 1167519 Change-Id: Ic37b36864762e5abbcc8076e0ca853a0010d30ae Signed-off-by: rrajk <rrajk@nvidia.com> Reviewed-on: http://git-master/r/196487 Reviewed-by: Venkata Jagadish <vjagadish@nvidia.com> Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
2013-02-13mmc: tegra: Option to disable all UHS modesPavan Kunapuli
Adding option to disable all the UHS modes - SDR12, SDR25, SDR50, DDR50, SDR104, HS200. Bug 1189241 Change-Id: I673cf5c819cb4c2ec0525f6e47b493ad1a4b7112 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/199931 Reviewed-by: Rama Kandhala <rkandhala@nvidia.com>
2013-02-05mmc: tegra: Fix SD Hot Plug Support in LP StateNaveen Kumar Arepalli
Fix SD Hot Plug Support in LP State, Card detect tasklet is scheduled to detect sd card. Bug 1204527 Change-Id: I688a8a4d64eeb880a542cf859eaba48878f66e35 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/192720 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-01-31Revert "mmc: tegra: Enable ACMD12 support"Naveen Kumar Arepalli
This reverts commit 69d0daebd926623453c5753c0a5a979811afecab. Bug 1216065 Bug 1219868 Change-Id: Ia4a2d9c73b05590e120246aa78c7443ee1b67ad0 Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/192924 Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com> Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
2013-01-30mmc: tegra: Tuning algorithm for high frequenciesPavan Kunapuli
Tuning and tap value calculation algorithm for high frequencies(> 82MHz). Bug 1167519 Change-Id: Iab3b95a573a4c0636ea89522ec51243375469fd5 Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/194797 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Venkat Moganty <vmoganty@nvidia.com> GVS: Gerrit_Virtual_Submit
2013-01-23mmc: tegra: Tuning and tap selection for low freqsPavan Kunapuli
Adding frequency tuning solution for frequencies below 82MHz in SDR104 and HS200 mode. Bug 1189241 Bug 1181574 Change-Id: Iec55f36de850060c71a13b5dd42d815e573c1f1b Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Reviewed-on: http://git-master/r/192114 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Venkat Moganty <vmoganty@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-08 06:06:08 +0000