tn3399_openwrt/target/linux/ipq806x/patches-5.4/093-7-v5.8-ipq806x-PCI-qcom-Add-ipq8064-rev2-variant.patch
Ansuel Smith 58d2bd88ae ipq806x: replace pci patchset with upstream version
Changes:
- Update patches
- Update dts with new binding
    Tx term offset dropped and replaced with a new compatible

Removed:
- 0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x
    Pci init does the same exact thing (was needed in older kernel version)
- 0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B
    Rejected upstream, can't find any reason to have this. No regression with
    testing it on R7800.

Tested on R7800 (ipq8065), R7500 v2 ("ipq8064-v2")

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Tested-by: Paul Blazejowski <paulb@blazebox.homeip.net> [R7800]
[rebase and refresh]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-08-24 14:09:11 +02:00

37 lines
1.6 KiB
Diff

From 8df093fe2ae1717389df0dcdc620c02cc35abb21 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Mon, 15 Jun 2020 23:06:05 +0200
Subject: PCI: qcom: Add ipq8064 rev2 variant
Ipq8064-v2 have tx term offset set to 0. Introduce this variant to permit
different offset based on the revision.
Link: https://lore.kernel.org/r/20200615210608.21469-10-ansuelsmth@gmail.com
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
---
drivers/pci/controller/dwc/pcie-qcom.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -355,7 +355,8 @@ static int qcom_pcie_init_2_1_0(struct q
val &= ~BIT(0);
writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
- if (of_device_is_compatible(node, "qcom,pcie-ipq8064")) {
+ if (of_device_is_compatible(node, "qcom,pcie-ipq8064") ||
+ of_device_is_compatible(node, "qcom,pcie-ipq8064-v2")) {
writel(PCS_DEEMPH_TX_DEEMPH_GEN1(24) |
PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(24) |
PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(34),
@@ -1315,6 +1316,7 @@ err_pm_runtime_put:
static const struct of_device_id qcom_pcie_match[] = {
{ .compatible = "qcom,pcie-apq8084", .data = &ops_1_0_0 },
{ .compatible = "qcom,pcie-ipq8064", .data = &ops_2_1_0 },
+ { .compatible = "qcom,pcie-ipq8064-v2", .data = &ops_2_1_0 },
{ .compatible = "qcom,pcie-apq8064", .data = &ops_2_1_0 },
{ .compatible = "qcom,pcie-msm8996", .data = &ops_2_3_2 },
{ .compatible = "qcom,pcie-ipq8074", .data = &ops_2_3_3 },