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Message-ID: <20170531070109.81569-1-songxiaowei@hisilicon.com>
Date: Wed, 31 May 2017 15:01:05 +0800
From: Xiaowei Song <songxiaowei@...ilicon.com>
To: <bhelgaas@...gle.com>, <kishon@...com>, <jingoohan1@...il.com>,
<arnd@...db.de>, <tn@...ihalf.com>, <keith.busch@...el.com>,
<niklas.cassel@...s.com>, <dhdang@....com>,
<liudongdong3@...wei.com>, <gabriele.paoloni@...wei.com>,
<robh+dt@...nel.org>, <mark.rutland@....com>,
<catalin.marinas@....com>, <will.deacon@....com>
CC: <chenyao11@...wei.com>, <puck.chen@...ilicon.com>,
<songxiaowei@...ilicon.com>, <guodong.xu@...aro.org>,
<wangbinghui@...ilicon.com>, <suzhuangluan@...ilicon.com>,
<linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v9 0/4] add PCIe driver for Kirin PCIe
Before Version Patches
======================
patch V8
http://www.spinics.net/lists/linux-pci/msg61715.html
patch V7
https://www.spinics.net/lists/linux-pci/msg61664.html
patch V6
https://www.spinics.net/lists/linux-pci/msg61610.html
patch V4
https://www.spinics.net/lists/linux-pci/msg61406.html
patch V3
https://www.spinics.net/lists/linux-pci/msg61399.html
Changes between V8 and V7
=========================
1. Fix the indent issues in Documentation, dtsi file and macro defination.
2. Replace pdev->dev with dev in kirin_pcie_get_resource and
kirin_pcie_get_clk functions.
3. Put variables "pci" and "kirin_pcie" to be initialized at first
in kirin_pcie_wr_own_config, kirin_pcie_read_dbi and other functions.
4. Add space before blankets in "Low power mode(L1 ".
5. Short the Makefile sentence to lower than 80 characters
and delete reduntant words.
6. Use word 'located' instead of the wrong one 'lacated'.
7. Fix the problem of return value type.
Changes between V8 and V7
=========================
1. Replace 'reset-gpios' of 'reset-gpio' in Documentation.
Changes between V7 and V6
=========================
1. add enumeration log Based on Hikey960 Board with these patches.
2. fix issues as fellows:
(1) delete reduntant blankets in macro defination,
(2) add blank line in kirin_pcie_clk_ctrl function.
(3) Fix compitable property in DT with the SoC name,
for example "hisilicon,kirin960-pcie".
Changes between V6 and V4
=========================
1. seperate Document from .dtsi patch.
2. fix issues according to review comments
from Bjorn Helgaas and Rob Herring: annotation stype, DT node,
patch post method and so on.
Enumeration log
===============
These test logs come from patches running on Hikey960 Board
(1) Connect with Atheros Communications WIFI
OF: PCI: host bridge /soc/kirin_pcie_rc@...00000 ranges:
OF: PCI: MEM 0xf6000000..0xf7ffffff -> 0x00000000
kirin-pcie f4000000.kirin_pcie_rc: PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [bus 00-01]
pci_bus 0000:00: root bus resource [mem 0xf6000000-0xf7ffffff] (bus address [0x00000000-0x01ffffff])
pci 0000:00:00.0: [19e5:3660] type 01 class 0x060400
pci 0000:00:00.0: reg 0x10: [mem 0xf6000000-0xf6ffffff]
pci 0000:00:00.0: supports D1 D2
pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
pci 0000:01:00.0: [168c:002a] type 00 class 0x028000
pci 0000:01:00.0: reg 0x10: [mem 0xf6000000-0xf600ffff 64bit]
pci 0000:01:00.0: supports D1
pci 0000:01:00.0: PME# supported from D0 D1 D3hot
pci 0000:01:00.0: disabling ASPM on pre-1.1 PCIe device. You can enable it with 'pcie_aspm=force'
pci 0000:00:00.0: BAR 0: assigned [mem 0xf6000000-0xf6ffffff]
pci 0000:00:00.0: BAR 14: assigned [mem 0xf7000000-0xf70fffff]
pci 0000:01:00.0: BAR 0: assigned [mem 0xf7000000-0xf700ffff 64bit]
pci 0000:00:00.0: PCI bridge to [bus 01]
pci 0000:00:00.0: bridge window [mem 0xf7000000-0xf70fffff]
pcieport 0000:00:00.0: Signaling PME with IRQ 276
pcieport 0000:00:00.0: AER enabled with IRQ 276
(2) Connect with Sandisk SSD
OF: PCI: host bridge /soc/kirin_pcie_rc@...00000 ranges:
OF: PCI: MEM 0xf6000000..0xf7ffffff -> 0x00000000
kirin-pcie f4000000.kirin_pcie_rc: PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [bus 00-01]
pci_bus 0000:00: root bus resource [mem 0xf6000000-0xf7ffffff] (bus address [0x00000000-0x01ffffff])
pci 0000:00:00.0: [19e5:3660] type 01 class 0x060400
pci 0000:00:00.0: reg 0x10: [mem 0xf6000000-0xf6ffffff]
pci 0000:00:00.0: supports D1 D2
pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
pci 0000:01:00.0: [1b4b:1093] type 00 class 0x010802
pci 0000:01:00.0: reg 0x10: [mem 0xf6000000-0xf6003fff 64bit]
pci 0000:01:00.0: reg 0x30: [mem 0xf6000000-0xf600ffff pref]
pci 0000:00:00.0: BAR 0: assigned [mem 0xf6000000-0xf6ffffff]
pci 0000:00:00.0: BAR 14: assigned [mem 0xf7000000-0xf70fffff]
pci 0000:00:00.0: BAR 15: assigned [mem 0xf7100000-0xf71fffff pref]
pci 0000:01:00.0: BAR 6: assigned [mem 0xf7100000-0xf710ffff pref]
pci 0000:01:00.0: BAR 0: assigned [mem 0xf7000000-0xf7003fff 64bit]
pci 0000:00:00.0: PCI bridge to [bus 01]
pci 0000:00:00.0: bridge window [mem 0xf7000000-0xf70fffff]
pci 0000:00:00.0: bridge window [mem 0xf7100000-0xf71fffff pref]
pcieport 0000:00:00.0: Signaling PME with IRQ 276
pcieport 0000:00:00.0: AER enabled with IRQ 276
Patches list
============
Xiaowei Song (4):
PCI: hisi: Add DT binding for PCIe of Kirin SoC series
arm64: dts: hisi: add kirin pcie node
PCI: dwc: kirin: add PCIe Driver for HiSilicon Kirin SoC
ARM64: defconfig: Enable Kirin PCIe
.../devicetree/bindings/pci/kirin-pcie.txt | 50 ++
arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 31 ++
arch/arm64/configs/defconfig | 1 +
drivers/pci/dwc/Kconfig | 10 +
drivers/pci/dwc/Makefile | 1 +
drivers/pci/dwc/pcie-kirin.c | 514 +++++++++++++++++++++
6 files changed, 607 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pci/kirin-pcie.txt
create mode 100644 drivers/pci/dwc/pcie-kirin.c
--
2.11.GIT
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