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drivers: usb: fsl: Make function for initialization to use in CONFIG_DM_USB

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Moves code from ehci_hcd_init to new function ehci_fsl_init
which can be re-used in CONFIG_DM_USB.

Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
This commit is contained in:
Rajesh Bhagat 2016-07-01 18:51:45 +05:30 committed by Marek Vasut
parent 2b58e1b76d
commit 1e61ce9f7e
1 changed files with 36 additions and 27 deletions
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63
drivers/usb/host/ehci-fsl.c
View file

@ -24,6 +24,8 @@
#endif
static void set_txfifothresh(struct usb_ehci *, u32);
static int ehci_fsl_init(int index, struct usb_ehci *ehci,
struct ehci_hccr *hccr, struct ehci_hcor *hcor);
/* Check USB PHY clock valid */
static int usb_phy_clk_valid(struct usb_ehci *ehci)
@ -47,6 +49,38 @@ int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
struct usb_ehci *ehci = NULL;
switch (index) {
case 0:
ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
break;
case 1:
ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB2_ADDR;
break;
default:
printf("ERROR: wrong controller index!!\n");
return -EINVAL;
};
*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
return ehci_fsl_init(index, ehci, *hccr, *hcor);
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
return 0;
}
static int ehci_fsl_init(int index, struct usb_ehci *ehci,
struct ehci_hccr *hccr, struct ehci_hcor *hcor)
{
const char *phy_type = NULL;
size_t len;
char current_usb_controller[5];
@ -68,22 +102,6 @@ int ehci_hcd_init(int index, enum usb_init_type init,
snprintf(current_usb_controller, sizeof(current_usb_controller),
"usb%d", index+1);
switch (index) {
case 0:
ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
break;
case 1:
ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB2_ADDR;
break;
default:
printf("ERROR: wrong controller index!!\n");
return -EINVAL;
};
*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
/* Set to Host mode */
setbits_le32(&ehci->usbmode, CM_HOST);
@ -116,7 +134,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
UTMI_PHY_EN);
udelay(1000); /* delay required for PHY Clk to appear */
#endif
out_le32(&(*hcor)->or_portsc[0], PORT_PTS_UTMI);
out_le32(&(hcor)->or_portsc[0], PORT_PTS_UTMI);
clrsetbits_be32(&ehci->control, CONTROL_REGISTER_W1C_MASK,
USB_EN);
} else {
@ -127,7 +145,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
udelay(1000); /* delay required for PHY Clk to appear */
if (!usb_phy_clk_valid(ehci))
return -EINVAL;
out_le32(&(*hcor)->or_portsc[0], PORT_PTS_ULPI);
out_le32(&(hcor)->or_portsc[0], PORT_PTS_ULPI);
}
out_be32(&ehci->prictrl, 0x0000000c);
@ -152,15 +170,6 @@ int ehci_hcd_init(int index, enum usb_init_type init,
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
return 0;
}
/*
* Setting the value of TXFIFO_THRESH field in TXFILLTUNING register
* to counter DDR latencies in writing data into Tx buffer.