kernel/linux.git/drivers/memory/tegra/mc.c, branch v6.6.132

memory: Explicitly include correct DT includes

2023-07-25T20:09:37+00:00

The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Signed-off-by: Rob Herring Link: https://lore.kernel.org/r/20230714174717.4059518-1-robh@kernel.org Signed-off-by: Krzysztof Kozlowski

memory: tegra: Add dummy implementation on Tegra194

2023-07-10T10:04:56+00:00

With the introduction of commit 9365bf006f53 ("PCI: tegra194: Add interconnect support in Tegra234"), the PCI driver on Tegra194 and later requires an interconnect provider. However, a provider is currently only exposed on Tegra234 and this causes PCI on Tegra194 to defer probe indefinitely. Fix this by adding a dummy implementation on Tegra194. This allows nodes to be provided to interconnect consumers, but doesn't do any bandwidth accounting or frequency scaling. Fixes: 9365bf006f53 ("PCI: tegra194: Add interconnect support in Tegra234") Reported-by: Jon Hunter Signed-off-by: Thierry Reding Reviewed-by: Sumit Gupta Tested-by: Sumit Gupta Link: https://lore.kernel.org/r/20230629160132.768940-1-thierry.reding@gmail.com Signed-off-by: Krzysztof Kozlowski

memory: tegra: Make CPU cluster BW request a multiple of MC channels

2023-05-16T10:11:01+00:00

Make CPU cluster's bandwidth (BW) request a multiple of MC channels. CPU OPP tables have BW info per MC channel. But, the actual BW depends on the number of MC channels which can change as per the boot config. Get the number of MC channels which are actually enabled in current boot configuration and multiply the BW request from a CPU cluster with the number of enabled MC channels. This is not required to be done for other MC clients. Signed-off-by: Sumit Gupta Acked-by: Krzysztof Kozlowski Signed-off-by: Thierry Reding

memory: tegra: Add interconnect support for DRAM scaling in Tegra234

2023-05-16T10:11:00+00:00

Add Interconnect framework support to dynamically set the DRAM bandwidth from different clients. Both the MC and EMC drivers are added as ICC providers. The path for any request is: MC-Client[1-n] -> MC -> EMC -> EMEM/DRAM MC client's request for bandwidth will go to the MC driver which passes the client request info like BPMP Client ID, Client type and the Bandwidth to the BPMP-FW. The final DRAM freq to achieve the requested bandwidth is set by the BPMP-FW based on the passed parameters. Signed-off-by: Sumit Gupta Acked-by: Krzysztof Kozlowski Signed-off-by: Thierry Reding

Merge tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2023-04-25T19:02:16+00:00

Pull ARM SoC driver updates from Arnd Bergmann: "The most notable updates this time are for Qualcomm Snapdragon platforms. The Inline-Crypto-Engine gets a new DT binding and driver, and a number of drivers now support additional Snapdragon variants, in particular the rsc, scm, geni, bwm, glink and socinfo, while the llcc (edac) and rpm drivers get notable functionality updates. Updates on other platforms include: - Various updates to the Mediatek mutex and mmsys drivers, including support for the Helio X10 SoC - Support for unidirectional mailbox channels in Arm SCMI firmware - Support for per cpu asynchronous notification in OP-TEE firmware - Minor updates for memory controller drivers. - Minor updates for Renesas, TI, Amlogic, Apple, Broadcom, Tegra, Allwinner, Versatile Express, Canaan, Microchip, Mediatek and i.MX SoC drivers, mainly updating the use of MODULE_LICENSE() macros and obsolete DT driver interfaces" * tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits) soc: ti: smartreflex: Simplify getting the opam_sr pointer bus: vexpress-config: Add explicit of_platform.h include soc: mediatek: Kconfig: Add MTK_CMDQ dependency to MTK_MMSYS memory: mtk-smi: mt8365: Add SMI Support dt-bindings: memory-controllers: mediatek,smi-larb: add mt8365 dt-bindings: memory-controllers: mediatek,smi-common: add mt8365 memory: tegra: read values from correct device dt-bindings: crypto: Add Qualcomm Inline Crypto Engine soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver dt-bindings: firmware: document Qualcomm QCM2290 SCM soc: qcom: rpmh-rsc: Support RSC v3 minor versions soc: qcom: smd-rpm: Use GFP_ATOMIC in write path soc/tegra: fuse: Remove nvmem root only access soc/tegra: cbb: tegra194: Use of_address_count() helper soc/tegra: cbb: Remove MODULE_LICENSE in non-modules ARM: tegra: Remove MODULE_LICENSE in non-modules soc/tegra: flowctrl: Use devm_platform_get_and_ioremap_resource() soc: tegra: cbb: Drop empty platform remove function firmware: arm_scmi: Add support for unidirectional mailbox channels dt-bindings: firmware: arm,scmi: Support mailboxes unidirectional channels ...

memory: tegra: fix interconnect registration race

2023-03-13T19:13:48+00:00

The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fixes: 06f079816d4c ("memory: tegra-mc: Add interconnect framework") Cc: stable@vger.kernel.org # 5.11 Cc: Dmitry Osipenko Acked-by: Krzysztof Kozlowski Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20230306075651.2449-18-johan+linaro@kernel.org Signed-off-by: Georgi Djakov

memory: tegra: remove MODULE_LICENSE in non-modules

2023-03-09T14:20:46+00:00

Since commit 8b41fc4454e3 ("kbuild: create modules.builtin without Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations are used to identify modules. As a consequence, uses of the macro in non-modules will cause modprobe to misidentify their containing object file as a module when it is not (false positives), and modprobe might succeed rather than failing with a suitable error message. So remove it in the files in this commit, none of which can be built as modules. Signed-off-by: Nick Alcock Suggested-by: Luis Chamberlain Cc: Hitomi Hasegawa Cc: Thierry Reding Cc: Jonathan Hunter Link: https://lore.kernel.org/r/20230308202117.426808-1-nick.alcock@oracle.com Signed-off-by: Krzysztof Kozlowski

memory: tegra: Add API for retrieving carveout bounds

2022-11-25T15:14:58+00:00

On Tegra234 NVDEC firmware is loaded from a secure carveout, where it has been loaded by a bootloader. When booting NVDEC, we need to tell it the address of this firmware, which we can determine by checking the starting address of the carveout. As such, add an MC API to query the bounds of carveouts, and add related information on Tegra234. Signed-off-by: Mikko Perttunen Acked-by: Krzysztof Kozlowski Signed-off-by: Thierry Reding

Merge tag 'memory-controller-drv-tegra-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

2022-05-09T21:12:50+00:00

Memory controller drivers for v5.19 - Tegra SoC Add support for Tegra234 memory controller and for logging memory controller errors on Tegra186, Tegra194 and Tegra234. * tag 'memory-controller-drv-tegra-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl: memory: tegra: Add MC error logging on Tegra186 onward memory: tegra: Add memory controller channels support memory: tegra: Add APE memory clients for Tegra234 memory: tegra: Add Tegra234 support Link: https://lore.kernel.org/r/20220509160807.154187-1-krzysztof.kozlowski@linaro.org Signed-off-by: Arnd Bergmann

memory: tegra: Add MC error logging on Tegra186 onward

2022-05-09T08:46:14+00:00

Add support for logging memory controller errors on Tegra186, Tegra194 and Tegra234. On these SoCs, interrupts can occur on multiple channels. Add support required to read the status of interrupts across multiple channels, log and clear them. Also add new interrupts supported on these SoCs. Reviewed-by: Dmitry Osipenko Signed-off-by: Ashish Mhetre Signed-off-by: Thierry Reding Link: https://lore.kernel.org/r/20220506132312.3910637-5-thierry.reding@gmail.com Signed-off-by: Krzysztof Kozlowski