Patchwork [U-Boot,v2,10/13] ehci-mxc: Define host offsets

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Submitter Benoît Thébaudeau
Date Nov. 8, 2012, 8:30 p.m.
Message ID <1291403877.872166.1352406633180.JavaMail.root@advansee.com>
Download mbox | patch
Permalink /patch/197889/
State Changes Requested
Delegated to: Stefano Babic
Headers show

Comments

Benoît Thébaudeau - Nov. 8, 2012, 8:30 p.m.
Some MXC SoCs like the i.MX35 have hosts located at unusual offsets, so prepare
to the introduction of i.MX35 support by defining the ehci-mxc hosts offsets at
SoC level.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
---
Changes for v2: None.

 .../arch/arm/include/asm/arch-mx25/imx-regs.h                        |    1 +
 .../arch/arm/include/asm/arch-mx31/imx-regs.h                        |    1 +
 .../drivers/usb/host/ehci-mxc.c                                      |    2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

Patch

diff --git u-boot-usb-76454b2.orig/arch/arm/include/asm/arch-mx25/imx-regs.h u-boot-usb-76454b2/arch/arm/include/asm/arch-mx25/imx-regs.h
index e780296..c1bc4bc 100644
--- u-boot-usb-76454b2.orig/arch/arm/include/asm/arch-mx25/imx-regs.h
+++ u-boot-usb-76454b2/arch/arm/include/asm/arch-mx25/imx-regs.h
@@ -246,6 +246,7 @@  struct aips_regs {
 #define IMX_RTIC_BASE		(0x53FEC000)
 #define IMX_IIM_BASE		(0x53FF0000)
 #define IMX_USB_BASE		(0x53FF4000)
+#define IMX_USB_PORT_OFFSET	0x200
 #define IMX_CSI_BASE		(0x53FF8000)
 #define IMX_DRYICE_BASE		(0x53FFC000)
 
diff --git u-boot-usb-76454b2.orig/arch/arm/include/asm/arch-mx31/imx-regs.h u-boot-usb-76454b2/arch/arm/include/asm/arch-mx31/imx-regs.h
index 01a849d..ae3658b 100644
--- u-boot-usb-76454b2.orig/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ u-boot-usb-76454b2/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -895,6 +895,7 @@  struct esdc_regs {
 
 #define MX31_AIPS1_BASE_ADDR	0x43f00000
 #define IMX_USB_BASE		(MX31_AIPS1_BASE_ADDR + 0x88000)
+#define IMX_USB_PORT_OFFSET	0x200
 
 /*
  * CSPI register definitions
diff --git u-boot-usb-76454b2.orig/drivers/usb/host/ehci-mxc.c u-boot-usb-76454b2/drivers/usb/host/ehci-mxc.c
index 711c4a7..cd09462 100644
--- u-boot-usb-76454b2.orig/drivers/usb/host/ehci-mxc.c
+++ u-boot-usb-76454b2/drivers/usb/host/ehci-mxc.c
@@ -168,7 +168,7 @@  int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 	udelay(80);
 
 	ehci = (struct usb_ehci *)(IMX_USB_BASE +
-		(0x200 * CONFIG_MXC_USB_PORT));
+			IMX_USB_PORT_OFFSET * CONFIG_MXC_USB_PORT);
 	*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
 	*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
 			HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));