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88ca6390ea
Refresh patches on all 4.4 supported platforms. Compile & run tested: lantiq/xrx200 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
97 lines
3.6 KiB
Diff
97 lines
3.6 KiB
Diff
From 562f1311b529d81662ed41786b8d240db2e2ff51 Mon Sep 17 00:00:00 2001
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From: Shengzhou Liu <Shengzhou.Liu@nxp.com>
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Date: Tue, 6 Dec 2016 15:30:39 +0800
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Subject: [PATCH 237/238] pcie/ls208x: use unified compatible
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"fsl,ls2080a-pcie" for ls208x
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To avoid unnecessary reduplication, let's use unified compatible
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"fsl,ls2080a-pcie" for ls2080a, ls2085a, ls2088a.
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This patch fixes issue of pcie not working on ls2088a.
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Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
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---
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arch/arm64/boot/dts/freescale/fsl-ls2088a.dtsi | 12 ++++--------
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drivers/pci/host/pci-layerscape.c | 13 ++++++++-----
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2 files changed, 12 insertions(+), 13 deletions(-)
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--- a/arch/arm64/boot/dts/freescale/fsl-ls2088a.dtsi
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+++ b/arch/arm64/boot/dts/freescale/fsl-ls2088a.dtsi
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@@ -513,8 +513,7 @@
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};
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pcie1: pcie@3400000 {
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- compatible = "fsl,ls2088a-pcie", "fsl,ls2080a-pcie",
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- "fsl,ls2085a-pcie", "snps,dw-pcie";
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+ compatible = "fsl,ls2080a-pcie", "snps,dw-pcie";
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reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */
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0x20 0x00000000 0x0 0x00002000>; /* configuration space */
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reg-names = "regs", "config";
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@@ -539,8 +538,7 @@
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};
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pcie2: pcie@3500000 {
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- compatible = "fsl,ls2080a-pcie", "fsl,ls2080a-pcie",
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- "fsl,ls2085a-pcie", "snps,dw-pcie";
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+ compatible = "fsl,ls2080a-pcie", "snps,dw-pcie";
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reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */
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0x28 0x00000000 0x0 0x00002000>; /* configuration space */
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reg-names = "regs", "config";
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@@ -565,8 +563,7 @@
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};
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pcie3: pcie@3600000 {
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- compatible = "fsl,ls2088a-pcie", "fsl,ls2080a-pcie",
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- "fsl,ls2085a-pcie", "snps,dw-pcie";
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+ compatible = "fsl,ls2080a-pcie", "snps,dw-pcie";
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reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */
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0x30 0x00000000 0x0 0x00002000>; /* configuration space */
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reg-names = "regs", "config";
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@@ -591,8 +588,7 @@
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};
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pcie4: pcie@3700000 {
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- compatible = "fsl,ls2080a-pcie", "fsl,ls2080a-pcie",
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- "fsl,ls2085a-pcie", "snps,dw-pcie";
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+ compatible = "fsl,ls2080a-pcie", "snps,dw-pcie";
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reg = <0x00 0x03700000 0x0 0x00100000 /* controller registers */
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0x38 0x00000000 0x0 0x00002000>; /* configuration space */
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reg-names = "regs", "config";
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--- a/drivers/pci/host/pci-layerscape.c
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+++ b/drivers/pci/host/pci-layerscape.c
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@@ -158,9 +158,14 @@ static void ls1021_pcie_host_init(struct
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static int ls_pcie_link_up(struct pcie_port *pp)
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{
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struct ls_pcie *pcie = to_ls_pcie(pp);
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- u32 state;
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+ u32 state, offset;
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- state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >>
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+ if (of_get_property(pp->dev->of_node, "fsl,lut_diff", NULL))
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+ offset = 0x407fc;
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+ else
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+ offset = pcie->drvdata->lut_dbg;
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+
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+ state = (ioread32(pcie->lut + offset) >>
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pcie->drvdata->ltssm_shift) &
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LTSSM_STATE_MASK;
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@@ -261,7 +266,6 @@ static const struct of_device_id ls_pcie
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{ .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata },
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{ .compatible = "fsl,ls1088a-pcie", .data = &ls1088_drvdata },
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{ .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata },
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- { .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata },
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{ },
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};
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MODULE_DEVICE_TABLE(of, ls_pcie_of_match);
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@@ -315,8 +319,7 @@ static int __init ls_pcie_probe(struct p
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if (!ls_pcie_is_bridge(pcie))
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return -ENODEV;
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- if (of_device_is_compatible(pdev->dev.of_node, "fsl,ls2085a-pcie") ||
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- of_device_is_compatible(pdev->dev.of_node, "fsl,ls2080a-pcie") ||
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+ if (of_device_is_compatible(pdev->dev.of_node, "fsl,ls2080a-pcie") ||
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of_device_is_compatible(pdev->dev.of_node, "fsl,ls1088a-pcie")) {
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int len;
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const u32 *prop;
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