diff options
Diffstat (limited to 'meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files')
3 files changed, 106 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0002-Disable-DMA-in-sdhci-driver.patch b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0002-Disable-DMA-in-sdhci-driver.patch new file mode 100644 index 000000000..04a8733f2 --- /dev/null +++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0002-Disable-DMA-in-sdhci-driver.patch @@ -0,0 +1,25 @@ +From 758bc9b917469bc4e527dc3aae821c91cbc3d426 Mon Sep 17 00:00:00 2001 +From: Stewart Hildebrand <stewart.hildebrand@dornerworks.com> +Date: Thu, 18 Jul 2019 00:01:27 -0400 +Subject: [PATCH 2/4] Disable DMA in sdhci driver + +--- + drivers/mmc/host/sdhci-iproc.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c +index 983cddce9..150f7bfc8 100644 +--- a/drivers/mmc/host/sdhci-iproc.c ++++ b/drivers/mmc/host/sdhci-iproc.c +@@ -252,6 +252,8 @@ static const struct sdhci_iproc_data bcm2835_data = { + + static const struct sdhci_pltfm_data sdhci_bcm2838_pltfm_data = { + .ops = &sdhci_iproc_32only_ops, ++ .quirks = SDHCI_QUIRK_BROKEN_DMA | ++ SDHCI_QUIRK_BROKEN_ADMA, + }; + + static const struct sdhci_iproc_data bcm2838_data = { +-- +2.17.1 + diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0003-Fix-PCIe-in-dom0-for-RPi4.patch b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0003-Fix-PCIe-in-dom0-for-RPi4.patch new file mode 100644 index 000000000..835f36da3 --- /dev/null +++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/0003-Fix-PCIe-in-dom0-for-RPi4.patch @@ -0,0 +1,31 @@ +From 77765c2a47ce43911b8fe7b09f037c9bc13008ca Mon Sep 17 00:00:00 2001 +From: Jeff Kubascik <jeff.kubascik@dornerworks.com> +Date: Tue, 30 Jul 2019 08:49:56 -0400 +Subject: [PATCH 3/4] Fix PCIe in dom0 for RPi4 + +There is an issue where the Broadcom PCIe driver and Xen swiotlb layer +invoke each other's dma alloc function recursively until the stack blows +up. The cause appears to be due to arch_setup_dma_ops being called +more than once for the device, possibly through of_dma_configure, and +screwing up the dma_ops pointers. This patch adds a check to make sure +that the xen_dma_ops are applied only once for a device. +--- + arch/arm64/mm/dma-mapping.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c +index d3a5bb16f..243a3b9be 100644 +--- a/arch/arm64/mm/dma-mapping.c ++++ b/arch/arm64/mm/dma-mapping.c +@@ -895,7 +895,7 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, + __iommu_setup_dma_ops(dev, dma_base, size, iommu); + + #ifdef CONFIG_XEN +- if (xen_initial_domain()) { ++ if (!dev->archdata.dev_dma_ops && xen_initial_domain()) { + dev->archdata.dev_dma_ops = dev->dma_ops; + dev->dma_ops = xen_dma_ops; + } +-- +2.17.1 + diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/xen-be.cfg b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/xen-be.cfg new file mode 100644 index 000000000..36f390187 --- /dev/null +++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/files/xen-be.cfg @@ -0,0 +1,50 @@ +# global stuff - these enable us to allow some +# of the not so generic stuff below for xen +CONFIG_PARAVIRT=y +CONFIG_NET=y +CONFIG_NET_CORE=y +CONFIG_NETDEVICES=y +CONFIG_BLOCK=y +CONFIG_WATCHDOG=y +CONFIG_TARGET_CORE=y +CONFIG_SCSI=y +CONFIG_FB=y +CONFIG_INPUT_MISC=y +CONFIG_MEMORY_HOTPLUG=y +CONFIG_TTY=y +# Technically not required but otherwise produces +# pretty useless systems starting from allnoconfig +# You want TCP/IP and ELF binaries right? +CONFIG_INET=y +CONFIG_BINFMT_ELF=y +# generic config +CONFIG_XEN=y +CONFIG_XEN_DOM0=y +# backend drivers +CONFIG_XEN_BACKEND=y +CONFIG_XEN_BLKDEV_BACKEND=m +CONFIG_XEN_NETDEV_BACKEND=m +CONFIG_HVC_XEN=y +CONFIG_XEN_WDT=m +CONFIG_XEN_SCSI_BACKEND=m +# frontend drivers +CONFIG_XEN_FBDEV_FRONTEND=m +CONFIG_HVC_XEN_FRONTEND=y +CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m +CONFIG_XEN_SCSI_FRONTEND=m +# others +CONFIG_XEN_BALLOON=y +CONFIG_XEN_SCRUB_PAGES=y +CONFIG_XEN_DEV_EVTCHN=m +CONFIG_XEN_BLKDEV_FRONTEND=m +CONFIG_XEN_NETDEV_FRONTEND=m +CONFIG_XENFS=m +CONFIG_XEN_COMPAT_XENFS=y +CONFIG_XEN_SYS_HYPERVISOR=y +CONFIG_XEN_XENBUS_FRONTEND=y +CONFIG_XEN_GNTDEV=m +CONFIG_XEN_GRANT_DEV_ALLOC=m +CONFIG_SWIOTLB_XEN=y +CONFIG_XEN_PRIVCMD=m +CONFIG_DEBUG_INFO=y +CONFIG_FRAME_POINTER=y |