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-rw-r--r--drivers/usb/host/ehci-fsl.c186
-rw-r--r--drivers/usb/host/ehci-hcd.c1
-rw-r--r--drivers/usb/host/ehci-mx6.c27
3 files changed, 211 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 8f55464..5d4288d 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -15,9 +15,14 @@
#include <usb/ehci-fsl.h>
#include <hwconfig.h>
#include <fsl_usb.h>
+#include <fdt_support.h>
#include "ehci.h"
+#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#endif
+
static void set_txfifothresh(struct usb_ehci *, u32);
/* Check USB PHY clock valid */
@@ -158,3 +163,184 @@ static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh)
cmd |= TXFIFO_THRESH(txfifo_thresh);
ehci_writel(&ehci->txfilltuning, cmd);
}
+
+#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
+static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
+ const char *phy_type, int start_offset)
+{
+ const char *compat_dr = "fsl-usb2-dr";
+ const char *compat_mph = "fsl-usb2-mph";
+ const char *prop_mode = "dr_mode";
+ const char *prop_type = "phy_type";
+ const char *node_type = NULL;
+ int node_offset;
+ int err;
+
+ node_offset = fdt_node_offset_by_compatible(blob,
+ start_offset, compat_mph);
+ if (node_offset < 0) {
+ node_offset = fdt_node_offset_by_compatible(blob,
+ start_offset,
+ compat_dr);
+ if (node_offset < 0) {
+ printf("WARNING: could not find compatible node: %s",
+ fdt_strerror(node_offset));
+ return -1;
+ }
+ node_type = compat_dr;
+ } else {
+ node_type = compat_mph;
+ }
+
+ if (mode) {
+ err = fdt_setprop(blob, node_offset, prop_mode, mode,
+ strlen(mode) + 1);
+ if (err < 0)
+ printf("WARNING: could not set %s for %s: %s.\n",
+ prop_mode, node_type, fdt_strerror(err));
+ }
+
+ if (phy_type) {
+ err = fdt_setprop(blob, node_offset, prop_type, phy_type,
+ strlen(phy_type) + 1);
+ if (err < 0)
+ printf("WARNING: could not set %s for %s: %s.\n",
+ prop_type, node_type, fdt_strerror(err));
+ }
+
+ return node_offset;
+}
+
+static const char *fdt_usb_get_node_type(void *blob, int start_offset,
+ int *node_offset)
+{
+ const char *compat_dr = "fsl-usb2-dr";
+ const char *compat_mph = "fsl-usb2-mph";
+ const char *node_type = NULL;
+
+ *node_offset = fdt_node_offset_by_compatible(blob, start_offset,
+ compat_mph);
+ if (*node_offset < 0) {
+ *node_offset = fdt_node_offset_by_compatible(blob,
+ start_offset,
+ compat_dr);
+ if (*node_offset < 0) {
+ printf("ERROR: could not find compatible node: %s\n",
+ fdt_strerror(*node_offset));
+ } else {
+ node_type = compat_dr;
+ }
+ } else {
+ node_type = compat_mph;
+ }
+
+ return node_type;
+}
+
+static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
+ int start_offset)
+{
+ int node_offset, err;
+ const char *node_type = NULL;
+
+ node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
+ if (!node_type)
+ return -1;
+
+ err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);
+ if (err < 0) {
+ printf("ERROR: could not set %s for %s: %s.\n",
+ prop_erratum, node_type, fdt_strerror(err));
+ }
+
+ return node_offset;
+}
+
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+ static const char * const modes[] = { "host", "peripheral", "otg" };
+ static const char * const phys[] = { "ulpi", "utmi" };
+ int usb_erratum_a006261_off = -1;
+ int usb_erratum_a007075_off = -1;
+ int usb_erratum_a007792_off = -1;
+ int usb_mode_off = -1;
+ int usb_phy_off = -1;
+ char str[5];
+ int i, j;
+
+ for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
+ const char *dr_mode_type = NULL;
+ const char *dr_phy_type = NULL;
+ int mode_idx = -1, phy_idx = -1;
+
+ snprintf(str, 5, "%s%d", "usb", i);
+ if (hwconfig(str)) {
+ for (j = 0; j < ARRAY_SIZE(modes); j++) {
+ if (hwconfig_subarg_cmp(str, "dr_mode",
+ modes[j])) {
+ mode_idx = j;
+ break;
+ }
+ }
+
+ for (j = 0; j < ARRAY_SIZE(phys); j++) {
+ if (hwconfig_subarg_cmp(str, "phy_type",
+ phys[j])) {
+ phy_idx = j;
+ break;
+ }
+ }
+
+ if (mode_idx < 0 && phy_idx < 0) {
+ printf("WARNING: invalid phy or mode\n");
+ return;
+ }
+
+ if (mode_idx > -1)
+ dr_mode_type = modes[mode_idx];
+
+ if (phy_idx > -1)
+ dr_phy_type = phys[phy_idx];
+ }
+
+ usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
+ dr_mode_type, NULL,
+ usb_mode_off);
+
+ if (usb_mode_off < 0)
+ return;
+
+ usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
+ NULL, dr_phy_type,
+ usb_phy_off);
+
+ if (usb_phy_off < 0)
+ return;
+
+ if (has_erratum_a006261()) {
+ usb_erratum_a006261_off = fdt_fixup_usb_erratum
+ (blob,
+ "fsl,usb-erratum-a006261",
+ usb_erratum_a006261_off);
+ if (usb_erratum_a006261_off < 0)
+ return;
+ }
+ if (has_erratum_a007075()) {
+ usb_erratum_a007075_off = fdt_fixup_usb_erratum
+ (blob,
+ "fsl,usb-erratum-a007075",
+ usb_erratum_a007075_off);
+ if (usb_erratum_a007075_off < 0)
+ return;
+ }
+ if (has_erratum_a007792()) {
+ usb_erratum_a007792_off = fdt_fixup_usb_erratum
+ (blob,
+ "fsl,usb-erratum-a007792",
+ usb_erratum_a007792_off);
+ if (usb_erratum_a007792_off < 0)
+ return;
+ }
+ }
+}
+#endif
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 5520805..bc76066 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -971,7 +971,6 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
qh_list->qh_link = cpu_to_hc32((uint32_t)qh_list | QH_LINK_TYPE_QH);
qh_list->qh_endpt1 = cpu_to_hc32(QH_ENDPT1_H(1) |
QH_ENDPT1_EPS(USB_SPEED_HIGH));
- qh_list->qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
qh_list->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
qh_list->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
qh_list->qh_overlay.qt_token =
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c
index 9ec5a0a..951dd3b 100644
--- a/drivers/usb/host/ehci-mx6.c
+++ b/drivers/usb/host/ehci-mx6.c
@@ -160,7 +160,7 @@ static int usb_phy_enable(int index, struct usb_ehci *ehci)
val |= (USBPHY_CTRL_ENUTMILEVEL2 | USBPHY_CTRL_ENUTMILEVEL3);
__raw_writel(val, phy_ctrl);
- return val & USBPHY_CTRL_OTG_ID;
+ return 0;
}
/* Base address for this IP block is 0x02184800 */
@@ -193,6 +193,28 @@ static void usb_oc_config(int index)
__raw_writel(val, ctrl);
}
+int usb_phy_mode(int port)
+{
+ void __iomem *phy_reg;
+ void __iomem *phy_ctrl;
+ u32 val;
+
+ phy_reg = (void __iomem *)phy_bases[port];
+ phy_ctrl = (void __iomem *)(phy_reg + USBPHY_CTRL);
+
+ val = __raw_readl(phy_ctrl);
+
+ if (val & USBPHY_CTRL_OTG_ID)
+ return USB_INIT_DEVICE;
+ else
+ return USB_INIT_HOST;
+}
+
+int __weak board_usb_phy_mode(int port)
+{
+ return usb_phy_mode(port);
+}
+
int __weak board_ehci_hcd_init(int port)
{
return 0;
@@ -221,7 +243,8 @@ int ehci_hcd_init(int index, enum usb_init_type init,
usb_power_config(index);
usb_oc_config(index);
usb_internal_phy_clock_gate(index, 1);
- type = usb_phy_enable(index, ehci) ? USB_INIT_DEVICE : USB_INIT_HOST;
+ usb_phy_enable(index, ehci);
+ type = board_usb_phy_mode(index);
*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
generated by cgit v1.1 at 2024-10-06 03:52:38 +0000