From: Felix Fietkau Date: Sat, 21 Nov 2015 10:55:05 +0000 (+0000) Subject: ipq806x: reduce PCIe buffer size setting to fix potential data corruption issues X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=9c114740efdffc4d06a3b8926b095fb16c65c136;p=openwrt%2Fstaging%2Flinusw.git ipq806x: reduce PCIe buffer size setting to fix potential data corruption issues Signed-off-by: Felix Fietkau SVN-Revision: 47545 --- diff --git a/target/linux/ipq806x/patches-3.18/114-pcie-add-ctlr-init.patch b/target/linux/ipq806x/patches-3.18/114-pcie-add-ctlr-init.patch index 11c9810fe2..c0b65c712b 100644 --- a/target/linux/ipq806x/patches-3.18/114-pcie-add-ctlr-init.patch +++ b/target/linux/ipq806x/patches-3.18/114-pcie-add-ctlr-init.patch @@ -229,8 +229,8 @@ + writel(upper_32_bits(pp->mem_bus_addr), + pcie->dbi + PCIE20_PLR_IATU_UTAR); + -+ /* 1K PCIE buffer setting */ -+ writel(0x3, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); ++ /* 256B PCIE buffer setting */ ++ writel(0x1, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); + writel(0x1, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL1); +} + diff --git a/target/linux/ipq806x/patches-4.1/114-pcie-add-ctlr-init.patch b/target/linux/ipq806x/patches-4.1/114-pcie-add-ctlr-init.patch index 11c9810fe2..c0b65c712b 100644 --- a/target/linux/ipq806x/patches-4.1/114-pcie-add-ctlr-init.patch +++ b/target/linux/ipq806x/patches-4.1/114-pcie-add-ctlr-init.patch @@ -229,8 +229,8 @@ + writel(upper_32_bits(pp->mem_bus_addr), + pcie->dbi + PCIE20_PLR_IATU_UTAR); + -+ /* 1K PCIE buffer setting */ -+ writel(0x3, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); ++ /* 256B PCIE buffer setting */ ++ writel(0x1, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); + writel(0x1, pcie->dbi + PCIE20_AXI_MSTR_RESP_COMP_CTRL1); +} +