diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.9')
5 files changed, 7 insertions, 254 deletions
diff --git a/target/linux/bcm53xx/patches-4.9/031-ARM-BCM5301X-Add-back-handler-ignoring-external-impr.patch b/target/linux/bcm53xx/patches-4.9/031-ARM-BCM5301X-Add-back-handler-ignoring-external-impr.patch deleted file mode 100644 index a4f32f5c14..0000000000 --- a/target/linux/bcm53xx/patches-4.9/031-ARM-BCM5301X-Add-back-handler-ignoring-external-impr.patch +++ /dev/null @@ -1,75 +0,0 @@ -From 09f3510fb70a46c8921f2cf4a90dbcae460a6820 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Sat, 29 Oct 2016 13:12:29 +0200 -Subject: [PATCH] ARM: BCM5301X: Add back handler ignoring external imprecise - aborts -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Since early BCM5301X days we got abort handler that was removed by -commit 937b12306ea79 ("ARM: BCM5301X: remove workaround imprecise abort -fault handler"). It assumed we need to deal only with pending aborts -left by the bootloader. Unfortunately this isn't true for BCM5301X. - -When probing PCI config space (device enumeration) it is expected to -have master aborts on the PCI bus. Most bridges don't forward (or they -allow disabling it) these errors onto the AXI/AMBA bus but not the -Northstar (BCM5301X) one. - -iProc PCIe controller on Northstar seems to be some older one, without -a control register for errors forwarding. It means we need to workaround -this at platform level. All newer platforms are not affected by this -issue. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> ---- - arch/arm/mach-bcm/bcm_5301x.c | 28 ++++++++++++++++++++++++++++ - 1 file changed, 28 insertions(+) - ---- a/arch/arm/mach-bcm/bcm_5301x.c -+++ b/arch/arm/mach-bcm/bcm_5301x.c -@@ -9,14 +9,42 @@ - #include <asm/hardware/cache-l2x0.h> - - #include <asm/mach/arch.h> -+#include <asm/siginfo.h> -+#include <asm/signal.h> -+ -+#define FSR_EXTERNAL (1 << 12) -+#define FSR_READ (0 << 10) -+#define FSR_IMPRECISE 0x0406 - - static const char *const bcm5301x_dt_compat[] __initconst = { - "brcm,bcm4708", - NULL, - }; - -+static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr, -+ struct pt_regs *regs) -+{ -+ /* -+ * We want to ignore aborts forwarded from the PCIe bus that are -+ * expected and shouldn't really be passed by the PCIe controller. -+ * The biggest disadvantage is the same FSR code may be reported when -+ * reading non-existing APB register and we shouldn't ignore that. -+ */ -+ if (fsr == (FSR_EXTERNAL | FSR_READ | FSR_IMPRECISE)) -+ return 0; -+ -+ return 1; -+} -+ -+static void __init bcm5301x_init_early(void) -+{ -+ hook_fault_code(16 + 6, bcm5301x_abort_handler, SIGBUS, BUS_OBJERR, -+ "imprecise external abort"); -+} -+ - DT_MACHINE_START(BCM5301X, "BCM5301X") - .l2c_aux_val = 0, - .l2c_aux_mask = ~0, - .dt_compat = bcm5301x_dt_compat, -+ .init_early = bcm5301x_init_early, - MACHINE_END diff --git a/target/linux/bcm53xx/patches-4.9/033-0013-ARM-dts-BCM5301X-Correct-GIC_PPI-interrupt-flags.patch b/target/linux/bcm53xx/patches-4.9/033-0013-ARM-dts-BCM5301X-Correct-GIC_PPI-interrupt-flags.patch deleted file mode 100644 index 70df2013cc..0000000000 --- a/target/linux/bcm53xx/patches-4.9/033-0013-ARM-dts-BCM5301X-Correct-GIC_PPI-interrupt-flags.patch +++ /dev/null @@ -1,41 +0,0 @@ -From 0e34079cd1f674449749aafe4be07336177de90d Mon Sep 17 00:00:00 2001 -From: Jon Mason <jon.mason@broadcom.com> -Date: Thu, 2 Mar 2017 19:21:32 -0500 -Subject: [PATCH] ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -GIC_PPI flags were misconfigured for the timers, resulting in errors -like: -[ 0.000000] GIC: PPI11 is secure or misconfigured - -Changing them to being edge triggered corrects the issue - -Suggested-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Jon Mason <jon.mason@broadcom.com> -Fixes: d27509f1 ("ARM: BCM5301X: add dts files for BCM4708 SoC") -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> ---- - arch/arm/boot/dts/bcm5301x.dtsi | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/arch/arm/boot/dts/bcm5301x.dtsi -+++ b/arch/arm/boot/dts/bcm5301x.dtsi -@@ -66,14 +66,14 @@ - timer@20200 { - compatible = "arm,cortex-a9-global-timer"; - reg = <0x20200 0x100>; -- interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; -+ interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>; - clocks = <&periph_clk>; - }; - - local-timer@20600 { - compatible = "arm,cortex-a9-twd-timer"; - reg = <0x20600 0x100>; -- interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>; -+ interrupts = <GIC_PPI 13 IRQ_TYPE_EDGE_RISING>; - clocks = <&periph_clk>; - }; - diff --git a/target/linux/bcm53xx/patches-4.9/089-PCI-iproc-Save-host-bridge-window-resource-in-struct.patch b/target/linux/bcm53xx/patches-4.9/089-PCI-iproc-Save-host-bridge-window-resource-in-struct.patch deleted file mode 100644 index 3de4395348..0000000000 --- a/target/linux/bcm53xx/patches-4.9/089-PCI-iproc-Save-host-bridge-window-resource-in-struct.patch +++ /dev/null @@ -1,131 +0,0 @@ -From 6e347b5e05ea2ac4ac467a5a1cfaebb2c7f06f80 Mon Sep 17 00:00:00 2001 -From: Bjorn Helgaas <bhelgaas@google.com> -Date: Thu, 9 Mar 2017 11:27:07 -0600 -Subject: [PATCH] PCI: iproc: Save host bridge window resource in struct - iproc_pcie -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The host bridge memory window resource is inserted into the iomem_resource -tree and cannot be deallocated until the host bridge itself is removed. - -Previously, the window was on the stack, which meant the iomem_resource -entry pointed into the stack and was corrupted as soon as the probe -function returned, which caused memory corruption and errors like this: - - pcie_iproc_bcma bcma0:8: resource collision: [mem 0x40000000-0x47ffffff] conflicts with PCIe MEM space [mem 0x40000000-0x47ffffff] - -Move the memory window resource from the stack into struct iproc_pcie so -its lifetime matches that of the host bridge. - -Fixes: c3245a566400 ("PCI: iproc: Request host bridge window resources") -Reported-and-tested-by: Rafał Miłecki <zajec5@gmail.com> -Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> -CC: stable@vger.kernel.org # v4.8+ ---- - drivers/pci/host/pcie-iproc-bcma.c | 24 ++++++++++++------------ - drivers/pci/host/pcie-iproc-platform.c | 19 ++++++++++--------- - drivers/pci/host/pcie-iproc.h | 1 + - 3 files changed, 23 insertions(+), 21 deletions(-) - ---- a/drivers/pci/host/pcie-iproc-bcma.c -+++ b/drivers/pci/host/pcie-iproc-bcma.c -@@ -44,8 +44,7 @@ static int iproc_pcie_bcma_probe(struct - { - struct device *dev = &bdev->dev; - struct iproc_pcie *pcie; -- LIST_HEAD(res); -- struct resource res_mem; -+ LIST_HEAD(resources); - int ret; - - pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); -@@ -62,22 +61,23 @@ static int iproc_pcie_bcma_probe(struct - - pcie->base_addr = bdev->addr; - -- res_mem.start = bdev->addr_s[0]; -- res_mem.end = bdev->addr_s[0] + SZ_128M - 1; -- res_mem.name = "PCIe MEM space"; -- res_mem.flags = IORESOURCE_MEM; -- pci_add_resource(&res, &res_mem); -+ pcie->mem.start = bdev->addr_s[0]; -+ pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1; -+ pcie->mem.name = "PCIe MEM space"; -+ pcie->mem.flags = IORESOURCE_MEM; -+ pci_add_resource(&resources, &pcie->mem); - - pcie->map_irq = iproc_pcie_bcma_map_irq; - -- ret = iproc_pcie_setup(pcie, &res); -- if (ret) -+ ret = iproc_pcie_setup(pcie, &resources); -+ if (ret) { - dev_err(dev, "PCIe controller setup failed\n"); -- -- pci_free_resource_list(&res); -+ pci_free_resource_list(&resources); -+ return ret; -+ } - - bcma_set_drvdata(bdev, pcie); -- return ret; -+ return 0; - } - - static void iproc_pcie_bcma_remove(struct bcma_device *bdev) ---- a/drivers/pci/host/pcie-iproc-platform.c -+++ b/drivers/pci/host/pcie-iproc-platform.c -@@ -46,7 +46,7 @@ static int iproc_pcie_pltfm_probe(struct - struct device_node *np = dev->of_node; - struct resource reg; - resource_size_t iobase = 0; -- LIST_HEAD(res); -+ LIST_HEAD(resources); - int ret; - - of_id = of_match_device(iproc_pcie_of_match_table, dev); -@@ -108,23 +108,24 @@ static int iproc_pcie_pltfm_probe(struct - pcie->phy = NULL; - } - -- ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &res, &iobase); -+ ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &resources, -+ &iobase); - if (ret) { -- dev_err(dev, -- "unable to get PCI host bridge resources\n"); -+ dev_err(dev, "unable to get PCI host bridge resources\n"); - return ret; - } - - pcie->map_irq = of_irq_parse_and_map_pci; - -- ret = iproc_pcie_setup(pcie, &res); -- if (ret) -+ ret = iproc_pcie_setup(pcie, &resources); -+ if (ret) { - dev_err(dev, "PCIe controller setup failed\n"); -- -- pci_free_resource_list(&res); -+ pci_free_resource_list(&resources); -+ return ret; -+ } - - platform_set_drvdata(pdev, pcie); -- return ret; -+ return 0; - } - - static int iproc_pcie_pltfm_remove(struct platform_device *pdev) ---- a/drivers/pci/host/pcie-iproc.h -+++ b/drivers/pci/host/pcie-iproc.h -@@ -68,6 +68,7 @@ struct iproc_pcie { - #ifdef CONFIG_ARM - struct pci_sys_data sysdata; - #endif -+ struct resource mem; - struct pci_bus *root_bus; - struct phy *phy; - int (*map_irq)(const struct pci_dev *, u8, u8); diff --git a/target/linux/bcm53xx/patches-4.9/180-usb-xhci-add-support-for-performing-fake-doorbell.patch b/target/linux/bcm53xx/patches-4.9/180-usb-xhci-add-support-for-performing-fake-doorbell.patch index 9e5bd83116..7c91161302 100644 --- a/target/linux/bcm53xx/patches-4.9/180-usb-xhci-add-support-for-performing-fake-doorbell.patch +++ b/target/linux/bcm53xx/patches-4.9/180-usb-xhci-add-support-for-performing-fake-doorbell.patch @@ -127,11 +127,11 @@ it on BCM4708 family. /* --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h -@@ -1657,6 +1657,7 @@ struct xhci_hcd { - #define XHCI_SSIC_PORT_UNUSED (1 << 22) - #define XHCI_NO_64BIT_SUPPORT (1 << 23) - #define XHCI_MISSING_CAS (1 << 24) -+#define XHCI_FAKE_DOORBELL (1 << 25) +@@ -1660,6 +1660,7 @@ struct xhci_hcd { + /* For controller with a broken Port Disable implementation */ + #define XHCI_BROKEN_PORT_PED (1 << 25) + #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26) ++#define XHCI_FAKE_DOORBELL (1 << 27) + unsigned int num_active_eps; unsigned int limit_active_eps; - /* There are two roothubs to keep track of bus suspend info for */ diff --git a/target/linux/bcm53xx/patches-4.9/905-BCM53573-minor-hacks.patch b/target/linux/bcm53xx/patches-4.9/905-BCM53573-minor-hacks.patch index c7023906df..3245269c3e 100644 --- a/target/linux/bcm53xx/patches-4.9/905-BCM53573-minor-hacks.patch +++ b/target/linux/bcm53xx/patches-4.9/905-BCM53573-minor-hacks.patch @@ -69,7 +69,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> #include <linux/clockchips.h> #include <linux/clocksource.h> #include <linux/interrupt.h> -@@ -513,6 +514,16 @@ arch_timer_detect_rate(void __iomem *cnt +@@ -514,6 +515,16 @@ arch_timer_detect_rate(void __iomem *cnt arch_timer_rate = arch_timer_get_cntfrq(); } |