linux-kernel - [PATCH v3 7/9] arm64: dts: renesas: rzg3s-smarc-som: Update dma-ranges for PCIe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250704161410.3931884-8-claudiu.beznea.uj@bp.renesas.com>
Date: Fri,  4 Jul 2025 19:14:07 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: bhelgaas@...gle.com,
	lpieralisi@...nel.org,
	kwilczynski@...nel.org,
	mani@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	catalin.marinas@....com,
	will@...nel.org,
	mturquette@...libre.com,
	sboyd@...nel.org,
	p.zabel@...gutronix.de,
	lizhi.hou@....com
Cc: claudiu.beznea@...on.dev,
	linux-pci@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-clk@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>
Subject: [PATCH v3 7/9] arm64: dts: renesas: rzg3s-smarc-som: Update dma-ranges for PCIe

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

The first 128MB of memory is reserved on this board for secure area.
Update the PCIe dma-ranges property to reflect this.

Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---

Changes in v3:
- collected tags

Changes in v2:
- none, this patch is new

 arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
index 39845faec894..1b03820a6f02 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
@@ -214,6 +214,11 @@ &sdhi2 {
 };
 #endif
 
+&pcie {
+	/* First 128MB is reserved for secure area. */
+	dma-ranges = <0x42000000 0 0x48000000 0 0x48000000 0x0 0x38000000>;
+};
+
 &pinctrl {
 #if SW_CONFIG3 == SW_ON
 	eth0-phy-irq-hog {
-- 
2.43.0