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authorRafał Miłecki <zajec5@gmail.com>2016-01-19 20:58:48 +0000
committerRafał Miłecki <zajec5@gmail.com>2016-01-19 20:58:48 +0000
commitf07b243e342dbaf42558c7283acd7ed81f6e3b8a (patch)
tree2d2eacf1dc177077bbbf6fbfa0b7aa53edb413d9 /target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch
parentc584d957687c98c89ea35aaf0c5cb565b2be68ef (diff)
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bcm53xx: group iProc patches into patchsets they were sent in
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48368 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch')
-rw-r--r--target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch177
1 files changed, 177 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch b/target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch
new file mode 100644
index 0000000000..a850bafd1b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.1/030-0002-PCI-iproc-Add-BCMA-PCIe-driver.patch
@@ -0,0 +1,177 @@
+From 4785ffbdc9b52e308e43b9e2dcc1dca44f056d76 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Tue, 12 May 2015 23:23:01 +0200
+Subject: [PATCH 2/2] PCI: iproc: Add BCMA PCIe driver
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This driver adds support for the PCIe 2.0 controller found on the BCMA bus.
+This controller can be found on (mostly) all Broadcom BCM470X / BCM5301X
+ARM SoCs.
+
+The driver found in the Broadcom SDK does some more stuff, like setting up
+some DMA memory areas, chaining MPS and MRRS to 512 and also some PHY
+changes like "improving" the PCIe jitter and doing some special
+initialization for the 3rd PCIe port.
+
+This was tested on a bcm4708 board with 2 PCIe ports and wireless cards
+connected to them.
+
+PCI_DOMAINS is needed by this driver, because normally there is more than
+one PCIe controller and without PCI_DOMAINS only the first controller gets
+registered. This controller gets 6 IRQs; the last one is trigged by all
+IRQ events.
+
+[bhelgaas: fix "GPLv2" MODULE_LICENSE typo]
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
+Acked-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Ray Jui <rjui@broadcom.com.com>
+---
+ drivers/pci/host/Kconfig | 11 ++++
+ drivers/pci/host/Makefile | 1 +
+ drivers/pci/host/pcie-iproc-bcma.c | 112 +++++++++++++++++++++++++++++++++++++
+ 3 files changed, 124 insertions(+)
+ create mode 100644 drivers/pci/host/pcie-iproc-bcma.c
+
+--- a/drivers/pci/host/Kconfig
++++ b/drivers/pci/host/Kconfig
+@@ -125,4 +125,15 @@ config PCIE_IPROC_PLATFORM
+ Say Y here if you want to use the Broadcom iProc PCIe controller
+ through the generic platform bus interface
+
++config PCIE_IPROC_BCMA
++ bool "Broadcom iProc PCIe BCMA bus driver"
++ depends on ARCH_BCM_IPROC || (ARM && COMPILE_TEST)
++ select PCIE_IPROC
++ select BCMA
++ select PCI_DOMAINS
++ default ARCH_BCM_5301X
++ help
++ Say Y here if you want to use the Broadcom iProc PCIe controller
++ through the BCMA bus interface
++
+ endmenu
+--- a/drivers/pci/host/Makefile
++++ b/drivers/pci/host/Makefile
+@@ -15,3 +15,4 @@ obj-$(CONFIG_PCI_LAYERSCAPE) += pci-laye
+ obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
+ obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
+ obj-$(CONFIG_PCIE_IPROC_PLATFORM) += pcie-iproc-platform.o
++obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o
+--- /dev/null
++++ b/drivers/pci/host/pcie-iproc-bcma.c
+@@ -0,0 +1,112 @@
++/*
++ * Copyright (C) 2015 Broadcom Corporation
++ * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation version 2.
++ *
++ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
++ * kind, whether express or implied; without even the implied warranty
++ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ */
++
++#include <linux/kernel.h>
++#include <linux/pci.h>
++#include <linux/module.h>
++#include <linux/slab.h>
++#include <linux/phy/phy.h>
++#include <linux/bcma/bcma.h>
++#include <linux/ioport.h>
++
++#include "pcie-iproc.h"
++
++
++/* NS: CLASS field is R/O, and set to wrong 0x200 value */
++static void bcma_pcie2_fixup_class(struct pci_dev *dev)
++{
++ dev->class = PCI_CLASS_BRIDGE_PCI << 8;
++}
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
++
++static int iproc_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
++{
++ struct pci_sys_data *sys = dev->sysdata;
++ struct iproc_pcie *pcie = sys->private_data;
++ struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
++
++ return bcma_core_irq(bdev, 5);
++}
++
++static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
++{
++ struct iproc_pcie *pcie;
++ LIST_HEAD(res);
++ struct resource res_mem;
++ int ret;
++
++ pcie = devm_kzalloc(&bdev->dev, sizeof(*pcie), GFP_KERNEL);
++ if (!pcie)
++ return -ENOMEM;
++
++ pcie->dev = &bdev->dev;
++ bcma_set_drvdata(bdev, pcie);
++
++ pcie->base = bdev->io_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->resources = &res;
++
++ pcie->map_irq = iproc_pcie_bcma_map_irq;
++
++ ret = iproc_pcie_setup(pcie);
++ if (ret) {
++ dev_err(pcie->dev, "PCIe controller setup failed\n");
++ return ret;
++ }
++
++ return 0;
++}
++
++static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
++{
++ struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
++
++ iproc_pcie_remove(pcie);
++}
++
++static const struct bcma_device_id iproc_pcie_bcma_table[] = {
++ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
++ {},
++};
++MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table);
++
++static struct bcma_driver iproc_pcie_bcma_driver = {
++ .name = KBUILD_MODNAME,
++ .id_table = iproc_pcie_bcma_table,
++ .probe = iproc_pcie_bcma_probe,
++ .remove = iproc_pcie_bcma_remove,
++};
++
++static int __init iproc_pcie_bcma_init(void)
++{
++ return bcma_driver_register(&iproc_pcie_bcma_driver);
++}
++module_init(iproc_pcie_bcma_init);
++
++static void __exit iproc_pcie_bcma_exit(void)
++{
++ bcma_driver_unregister(&iproc_pcie_bcma_driver);
++}
++module_exit(iproc_pcie_bcma_exit);
++
++MODULE_AUTHOR("Hauke Mehrtens");
++MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
++MODULE_LICENSE("GPL v2");