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ehci-mxc: Define host offsets

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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>
This commit is contained in:
Benoît Thébaudeau 2012-11-13 09:57:59 +00:00 committed by Stefano Babic
parent 9fa3d093d6
commit 34d33b671a
3 changed files with 3 additions and 1 deletions
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1
arch/arm/include/asm/arch-mx25/imx-regs.h
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@ -241,6 +241,7 @@ 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)

1
arch/arm/include/asm/arch-mx31/imx-regs.h
View File

@ -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

2
drivers/usb/host/ehci-mxc.c
View File

@ -169,7 +169,7 @@ 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)));