usb: ehci: fsl: Add code to use CONFIG_DM_USB
Adds code to use driver model for USB EHCI FSL driver
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index df3fa04..f5e3ae7 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2009, 2011 Freescale Semiconductor, Inc.
+ * (C) Copyright 2009, 2011, 2016 Freescale Semiconductor, Inc.
*
* (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
*
@@ -16,16 +16,32 @@
#include <hwconfig.h>
#include <fsl_usb.h>
#include <fdt_support.h>
+#include <dm.h>
#include "ehci.h"
+DECLARE_GLOBAL_DATA_PTR;
+
#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
#endif
+#ifdef CONFIG_DM_USB
+struct ehci_fsl_priv {
+ struct ehci_ctrl ehci;
+ fdt_addr_t hcd_base;
+ char *phy_type;
+};
+#endif
+
static void set_txfifothresh(struct usb_ehci *, u32);
+#ifdef CONFIG_DM_USB
+static int ehci_fsl_init(struct ehci_fsl_priv *priv, struct usb_ehci *ehci,
+ struct ehci_hccr *hccr, struct ehci_hcor *hcor);
+#else
static int ehci_fsl_init(int index, struct usb_ehci *ehci,
struct ehci_hccr *hccr, struct ehci_hcor *hcor);
+#endif
/* Check USB PHY clock valid */
static int usb_phy_clk_valid(struct usb_ehci *ehci)
@@ -37,8 +53,101 @@
} else {
return 1;
}
+}
+
+#ifdef CONFIG_DM_USB
+static int ehci_fsl_ofdata_to_platdata(struct udevice *dev)
+{
+ struct ehci_fsl_priv *priv = dev_get_priv(dev);
+ const void *prop;
+
+ prop = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy_type",
+ NULL);
+ if (prop) {
+ priv->phy_type = (char *)prop;
+ debug("phy_type %s\n", priv->phy_type);
+ }
+
+ return 0;
+}
+
+static int ehci_fsl_init_after_reset(struct ehci_ctrl *ctrl)
+{
+ struct usb_ehci *ehci = NULL;
+ struct ehci_fsl_priv *priv = container_of(ctrl, struct ehci_fsl_priv,
+ ehci);
+
+ ehci = (struct usb_ehci *)priv->hcd_base;
+ if (ehci_fsl_init(priv, ehci, priv->ehci.hccr, priv->ehci.hcor) < 0)
+ return -ENXIO;
+
+ return 0;
+}
+
+static const struct ehci_ops fsl_ehci_ops = {
+ .init_after_reset = ehci_fsl_init_after_reset,
+};
+
+static int ehci_fsl_probe(struct udevice *dev)
+{
+ struct ehci_fsl_priv *priv = dev_get_priv(dev);
+ struct usb_ehci *ehci = NULL;
+ struct ehci_hccr *hccr;
+ struct ehci_hcor *hcor;
+
+ /*
+ * Get the base address for EHCI controller from the device node
+ */
+ priv->hcd_base = dev_get_addr(dev);
+ if (priv->hcd_base == FDT_ADDR_T_NONE) {
+ debug("Can't get the EHCI register base address\n");
+ return -ENXIO;
+ }
+ ehci = (struct usb_ehci *)priv->hcd_base;
+ hccr = (struct ehci_hccr *)(&ehci->caplength);
+ hcor = (struct ehci_hcor *)
+ ((u32)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+ if (ehci_fsl_init(priv, ehci, hccr, hcor) < 0)
+ return -ENXIO;
+
+ debug("ehci-fsl: init hccr %x and hcor %x hc_length %d\n",
+ (u32)hccr, (u32)hcor,
+ (u32)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+ return ehci_register(dev, hccr, hcor, &fsl_ehci_ops, 0, USB_INIT_HOST);
+}
+
+static int ehci_fsl_remove(struct udevice *dev)
+{
+ int ret;
+
+ ret = ehci_deregister(dev);
+ if (ret)
+ return ret;
+
+ return 0;
}
+static const struct udevice_id ehci_usb_ids[] = {
+ { .compatible = "fsl-usb2-mph", },
+ { .compatible = "fsl-usb2-dr", },
+ { }
+};
+
+U_BOOT_DRIVER(ehci_fsl) = {
+ .name = "ehci_fsl",
+ .id = UCLASS_USB,
+ .of_match = ehci_usb_ids,
+ .ofdata_to_platdata = ehci_fsl_ofdata_to_platdata,
+ .probe = ehci_fsl_probe,
+ .remove = ehci_fsl_remove,
+ .ops = &ehci_usb_ops,
+ .platdata_auto_alloc_size = sizeof(struct usb_platdata),
+ .priv_auto_alloc_size = sizeof(struct ehci_fsl_priv),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#else
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
@@ -77,13 +186,21 @@
{
return 0;
}
+#endif
+#ifdef CONFIG_DM_USB
+static int ehci_fsl_init(struct ehci_fsl_priv *priv, struct usb_ehci *ehci,
+ struct ehci_hccr *hccr, struct ehci_hcor *hcor)
+#else
static int ehci_fsl_init(int index, struct usb_ehci *ehci,
struct ehci_hccr *hccr, struct ehci_hcor *hcor)
+#endif
{
const char *phy_type = NULL;
+#ifndef CONFIG_DM_USB
size_t len;
char current_usb_controller[5];
+#endif
#ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
char usb_phy[5];
@@ -98,9 +215,6 @@
*/
mdelay(5);
}
- memset(current_usb_controller, '\0', 5);
- snprintf(current_usb_controller, sizeof(current_usb_controller),
- "usb%d", index+1);
/* Set to Host mode */
setbits_le32(&ehci->usbmode, CM_HOST);
@@ -109,9 +223,18 @@
out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
/* Init phy */
+#ifdef CONFIG_DM_USB
+ if (priv->phy_type)
+ phy_type = priv->phy_type;
+#else
+ memset(current_usb_controller, '\0', 5);
+ snprintf(current_usb_controller, sizeof(current_usb_controller),
+ "usb%d", index+1);
+
if (hwconfig_sub(current_usb_controller, "phy_type"))
phy_type = hwconfig_subarg(current_usb_controller,
"phy_type", &len);
+#endif
else
phy_type = getenv("usb_phy_type");