linux-kernel - [PATCH 05/11] usb: host: xhci-rcar: Move R-Car reg definitions

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: <20250820171812.402519-6-biju.das.jz@bp.renesas.com>
Date: Wed, 20 Aug 2025 18:17:52 +0100
From: Biju <biju.das.au@...il.com>
To: Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH 05/11] usb: host: xhci-rcar: Move R-Car reg definitions

From: Biju Das <biju.das.jz@...renesas.com>

Move xhci-rcar reg definitions to a header file for the preparation of adding
support for RZ/G3E XHCI that has different register definitions.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
 drivers/usb/host/xhci-rcar-regs.h | 49 +++++++++++++++++++++++++++++++
 drivers/usb/host/xhci-rcar.c      | 45 +---------------------------
 2 files changed, 50 insertions(+), 44 deletions(-)
 create mode 100644 drivers/usb/host/xhci-rcar-regs.h

diff --git a/drivers/usb/host/xhci-rcar-regs.h b/drivers/usb/host/xhci-rcar-regs.h
new file mode 100644
index 000000000000..5ecbda858be0
--- /dev/null
+++ b/drivers/usb/host/xhci-rcar-regs.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __XHCI_RCAR_H
+#define __XHCI_RCAR_H
+
+/*** Register Offset ***/
+#define RCAR_USB3_AXH_STA	0x104	/* AXI Host Control Status */
+#define RCAR_USB3_INT_ENA	0x224	/* Interrupt Enable */
+#define RCAR_USB3_DL_CTRL	0x250	/* FW Download Control & Status */
+#define RCAR_USB3_FW_DATA0	0x258	/* FW Data0 */
+
+#define RCAR_USB3_LCLK		0xa44	/* LCLK Select */
+#define RCAR_USB3_CONF1		0xa48	/* USB3.0 Configuration1 */
+#define RCAR_USB3_CONF2		0xa5c	/* USB3.0 Configuration2 */
+#define RCAR_USB3_CONF3		0xaa8	/* USB3.0 Configuration3 */
+#define RCAR_USB3_RX_POL	0xab0	/* USB3.0 RX Polarity */
+#define RCAR_USB3_TX_POL	0xab8	/* USB3.0 TX Polarity */
+
+/*** Register Settings ***/
+/* AXI Host Control Status */
+#define RCAR_USB3_AXH_STA_B3_PLL_ACTIVE		0x00010000
+#define RCAR_USB3_AXH_STA_B2_PLL_ACTIVE		0x00000001
+#define RCAR_USB3_AXH_STA_PLL_ACTIVE_MASK (RCAR_USB3_AXH_STA_B3_PLL_ACTIVE | \
+					   RCAR_USB3_AXH_STA_B2_PLL_ACTIVE)
+
+/* Interrupt Enable */
+#define RCAR_USB3_INT_XHC_ENA	0x00000001
+#define RCAR_USB3_INT_PME_ENA	0x00000002
+#define RCAR_USB3_INT_HSE_ENA	0x00000004
+#define RCAR_USB3_INT_ENA_VAL	(RCAR_USB3_INT_XHC_ENA | \
+				RCAR_USB3_INT_PME_ENA | RCAR_USB3_INT_HSE_ENA)
+
+/* FW Download Control & Status */
+#define RCAR_USB3_DL_CTRL_ENABLE	0x00000001
+#define RCAR_USB3_DL_CTRL_FW_SUCCESS	0x00000010
+#define RCAR_USB3_DL_CTRL_FW_SET_DATA0	0x00000100
+
+/* LCLK Select */
+#define RCAR_USB3_LCLK_ENA_VAL	0x01030001
+
+/* USB3.0 Configuration */
+#define RCAR_USB3_CONF1_VAL	0x00030204
+#define RCAR_USB3_CONF2_VAL	0x00030300
+#define RCAR_USB3_CONF3_VAL	0x13802007
+
+/* USB3.0 Polarity */
+#define RCAR_USB3_RX_POL_VAL	BIT(21)
+#define RCAR_USB3_TX_POL_VAL	BIT(4)
+
+#endif /* __XHCI_RCAR_H */
diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 1cc082a3b793..6d4662def87f 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -14,6 +14,7 @@
 
 #include "xhci.h"
 #include "xhci-plat.h"
+#include "xhci-rcar-regs.h"
 #include "xhci-rzv2m.h"
 
 #define XHCI_RCAR_FIRMWARE_NAME_V1	"r8a779x_usb3_v1.dlmem"
@@ -29,50 +30,6 @@
 MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V1);
 MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3);
 
-/*** Register Offset ***/
-#define RCAR_USB3_AXH_STA	0x104	/* AXI Host Control Status */
-#define RCAR_USB3_INT_ENA	0x224	/* Interrupt Enable */
-#define RCAR_USB3_DL_CTRL	0x250	/* FW Download Control & Status */
-#define RCAR_USB3_FW_DATA0	0x258	/* FW Data0 */
-
-#define RCAR_USB3_LCLK		0xa44	/* LCLK Select */
-#define RCAR_USB3_CONF1		0xa48	/* USB3.0 Configuration1 */
-#define RCAR_USB3_CONF2		0xa5c	/* USB3.0 Configuration2 */
-#define RCAR_USB3_CONF3		0xaa8	/* USB3.0 Configuration3 */
-#define RCAR_USB3_RX_POL	0xab0	/* USB3.0 RX Polarity */
-#define RCAR_USB3_TX_POL	0xab8	/* USB3.0 TX Polarity */
-
-/*** Register Settings ***/
-/* AXI Host Control Status */
-#define RCAR_USB3_AXH_STA_B3_PLL_ACTIVE		0x00010000
-#define RCAR_USB3_AXH_STA_B2_PLL_ACTIVE		0x00000001
-#define RCAR_USB3_AXH_STA_PLL_ACTIVE_MASK (RCAR_USB3_AXH_STA_B3_PLL_ACTIVE | \
-					   RCAR_USB3_AXH_STA_B2_PLL_ACTIVE)
-
-/* Interrupt Enable */
-#define RCAR_USB3_INT_XHC_ENA	0x00000001
-#define RCAR_USB3_INT_PME_ENA	0x00000002
-#define RCAR_USB3_INT_HSE_ENA	0x00000004
-#define RCAR_USB3_INT_ENA_VAL	(RCAR_USB3_INT_XHC_ENA | \
-				RCAR_USB3_INT_PME_ENA | RCAR_USB3_INT_HSE_ENA)
-
-/* FW Download Control & Status */
-#define RCAR_USB3_DL_CTRL_ENABLE	0x00000001
-#define RCAR_USB3_DL_CTRL_FW_SUCCESS	0x00000010
-#define RCAR_USB3_DL_CTRL_FW_SET_DATA0	0x00000100
-
-/* LCLK Select */
-#define RCAR_USB3_LCLK_ENA_VAL	0x01030001
-
-/* USB3.0 Configuration */
-#define RCAR_USB3_CONF1_VAL	0x00030204
-#define RCAR_USB3_CONF2_VAL	0x00030300
-#define RCAR_USB3_CONF3_VAL	0x13802007
-
-/* USB3.0 Polarity */
-#define RCAR_USB3_RX_POL_VAL	BIT(21)
-#define RCAR_USB3_TX_POL_VAL	BIT(4)
-
 static void xhci_rcar_start_gen2(struct usb_hcd *hcd)
 {
 	/* LCLK Select */
-- 
2.43.0