From 584d7c53bd2d286a71fe5e8244624f59c529cb26 Mon Sep 17 00:00:00 2001 From: Tomasz Maciej Nowak Date: Wed, 7 Mar 2018 22:10:02 +0100 Subject: mvebu: new subtarget cortex A53 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit introduces new subtarget for Marvell EBU Armada Cortex A53 processor based devices. The first device is Globalscale ESPRESSObin. Some hardware specs: SoC: Marvell Armada 3700LP (88F3720) dual core ARM Cortex A53 processor up to 1.2GHz RAM: 512MB, 1GB or 2GB DDR3 Storage: SATA interface µSD card slot with footprint for an optional 4GB EMMC 4MB SPI NOR flash for bootloader Ethernet: Topaz Networking Switch (88E6341) with 3x GbE ports Connectors: USB 3.0 USB 2.0 µUSB port connected to PL2303SA (USB to serial bridge controller) for UART access Expansion: 2x 46-pin GPIO headers for accessories and shields with I2C, GPIOs, PWM, UART, SPI, MMC, etc MiniPCIe slot Misc: Reset button, JTAG interface Currently booting only from µSD card is supported. The boards depending on date of dispatch can come with various U-Boot versions. For the newest version 2017.03-armada-17.10 no manual intervention should be needed to boot OpenWrt image. For the older ones it's necessary to modify default U-Boot environment: 1. Interrupt boot process to run U-Boot command line, 2. Run following commands: (for version 2017.03-armada-17.06 and 2017.03-armada-17.08) setenv bootcmd "load mmc 0:1 0x4d00000 boot.scr; source 0x4d00000" saveenv (for version 2015.01-armada-17.02 and 2015.01-armada-17.04) setenv bootargs "console=ttyMV0,115200 root=/dev/mmcblk0p2 rw rootwait" setenv bootcmd "ext4load mmc 0:1 ${fdt_addr} armada-3720-espressobin.dtb; ext4load mmc 0:1 ${kernel_addr} Image; booti ${kernel_addr} - ${fdt_addr}" saveenv 3. Poweroff, insert SD card with OpenWrt image, boot and enjoy. Signed-off-by: Tomasz Maciej Nowak --- ...in-PCI-configuration-read-write-functions.patch | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 target/linux/mvebu/patches-4.14/522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch (limited to 'target/linux/mvebu/patches-4.14/522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch') diff --git a/target/linux/mvebu/patches-4.14/522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch b/target/linux/mvebu/patches-4.14/522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch new file mode 100644 index 0000000..0dead7d --- /dev/null +++ b/target/linux/mvebu/patches-4.14/522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch @@ -0,0 +1,66 @@ +From patchwork Thu Sep 28 12:58:32 2017 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [v2, 1/7] PCI: aardvark: fix logic in PCI configuration read/write + functions +X-Patchwork-Submitter: Thomas Petazzoni +X-Patchwork-Id: 819586 +Message-Id: <20170928125838.11887-2-thomas.petazzoni@free-electrons.com> +To: Bjorn Helgaas , linux-pci@vger.kernel.org +Cc: Jason Cooper , Andrew Lunn , + Sebastian Hesselbarth , Gregory Clement + , + Nadav Haklai , Hanna Hawa , + Yehuda Yitschak , + linux-arm-kernel@lists.infradead.org, Antoine Tenart + , =?utf-8?q?Miqu=C3=A8l_Raynal?= + , Victor Gu , + stable@vger.kernel.org, Thomas Petazzoni + +Date: Thu, 28 Sep 2017 14:58:32 +0200 +From: Thomas Petazzoni +List-Id: + +From: Victor Gu + +The PCI configuration space read/write functions were special casing +the situation where PCI_SLOT(devfn) != 0, and returned +PCIBIOS_DEVICE_NOT_FOUND in this case. + +However, will this is what is intended for the root bus, it is not +intended for the child busses, as it prevents discovering devices with +PCI_SLOT(x) != 0. Therefore, we return PCIBIOS_DEVICE_NOT_FOUND only +if we're on the root bus. + +Fixes: 8c39d710363c1 ("PCI: aardvark: Add Aardvark PCI host controller driver") +Cc: +Signed-off-by: Victor Gu +Reviewed-by: Wilson Ding +Reviewed-by: Nadav Haklai +[Thomas: tweak commit log.] +Signed-off-by: Thomas Petazzoni +--- + drivers/pci/host/pci-aardvark.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/pci/host/pci-aardvark.c ++++ b/drivers/pci/host/pci-aardvark.c +@@ -440,7 +440,7 @@ static int advk_pcie_rd_conf(struct pci_ + u32 reg; + int ret; + +- if (PCI_SLOT(devfn) != 0) { ++ if ((bus->number == pcie->root_bus_nr) && (PCI_SLOT(devfn) != 0)) { + *val = 0xffffffff; + return PCIBIOS_DEVICE_NOT_FOUND; + } +@@ -494,7 +494,7 @@ static int advk_pcie_wr_conf(struct pci_ + int offset; + int ret; + +- if (PCI_SLOT(devfn) != 0) ++ if ((bus->number == pcie->root_bus_nr) && (PCI_SLOT(devfn) != 0)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (where % size) -- cgit v1.1