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usb: host: xhci: rcar: add a new firmware version for r8a7796 

This patch adds a new firmware version "V3" for r8a7796. This patch
also adds explanation of each version's information.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yoshihiro Shimoda 2016-11-11 15:13:26 +02:00 committed by Greg Kroah-Hartman
parent f4c8f03ca3
commit 125f0c0ca0
2 changed files with 4 additions and 0 deletions
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3
drivers/usb/host/xhci-rcar.c
View File

@ -19,6 +19,8 @@
#include "xhci-rcar.h"
/*
* - The V3 firmware is for r8a7796 (with good performance).
* - The V2 firmware can be used on both r8a7795 (es1.x) and r8a7796.
* - The V2 firmware is possible to use on R-Car Gen2. However, the V2 causes
* performance degradation. So, this driver continues to use the V1 if R-Car
* Gen2.
@ -26,6 +28,7 @@
*/
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V1);
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V2);
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3);
/*** Register Offset ***/
#define RCAR_USB3_INT_ENA 0x224 /* Interrupt Enable */

1
drivers/usb/host/xhci-rcar.h
View File

@ -13,6 +13,7 @@
#define XHCI_RCAR_FIRMWARE_NAME_V1 "r8a779x_usb3_v1.dlmem"
#define XHCI_RCAR_FIRMWARE_NAME_V2 "r8a779x_usb3_v2.dlmem"
#define XHCI_RCAR_FIRMWARE_NAME_V3 "r8a779x_usb3_v3.dlmem"
#if IS_ENABLED(CONFIG_USB_XHCI_RCAR)
void xhci_rcar_start(struct usb_hcd *hcd);