+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2009, 2011 Freescale Semiconductor, Inc.
*
* (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
*
* Author: Tor Krill tor@excito.com
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <usb.h>
#include <asm/io.h>
#include <hwconfig.h>
+#include <fsl_errata.h>
#include <fsl_usb.h>
#include <fdt_support.h>
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
#endif
-static const char *fdt_usb_get_node_type(void *blob, int start_offset,
- int *node_offset)
+/* USB Controllers */
+#define FSL_USB2_MPH "fsl-usb2-mph"
+#define FSL_USB2_DR "fsl-usb2-dr"
+#define CHIPIDEA_USB2 "chipidea,usb2"
+#define SNPS_DWC3 "snps,dwc3"
+
+static const char * const compat_usb_fsl[] = {
+ FSL_USB2_MPH,
+ FSL_USB2_DR,
+ SNPS_DWC3,
+ NULL
+};
+
+static int fdt_usb_get_node_type(void *blob, int start_offset,
+ int *node_offset, const char **node_type)
{
- 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;
+ int i;
+ int ret = -ENOENT;
+
+ for (i = 0; compat_usb_fsl[i]; i++) {
+ *node_offset = fdt_node_offset_by_compatible
+ (blob, start_offset,
+ compat_usb_fsl[i]);
+ if (*node_offset >= 0) {
+ *node_type = compat_usb_fsl[i];
+ ret = 0;
+ break;
}
- } else {
- node_type = compat_mph;
}
- return node_type;
+ return ret;
}
static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
int node_offset;
int err;
- node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
- if (!node_type)
- return -1;
+ err = fdt_usb_get_node_type(blob, start_offset,
+ &node_offset, &node_type);
+ if (err < 0)
+ return err;
if (mode) {
err = fdt_setprop(blob, node_offset, prop_mode, mode,
return node_offset;
}
-static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
- int start_offset)
+static int fsl_fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
+ const char *controller_type,
+ int start_offset)
{
int node_offset, err;
const char *node_type = NULL;
+ const char *node_name = NULL;
- node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
- if (!node_type)
- return -1;
+ err = fdt_usb_get_node_type(blob, start_offset,
+ &node_offset, &node_type);
+ if (err < 0)
+ return err;
+
+ if (!strcmp(node_type, FSL_USB2_MPH) || !strcmp(node_type, FSL_USB2_DR))
+ node_name = CHIPIDEA_USB2;
+ else
+ node_name = node_type;
+ if (strcmp(node_name, controller_type))
+ return err;
err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);
if (err < 0) {
return node_offset;
}
-void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+static int fsl_fdt_fixup_erratum(int *usb_erratum_off, void *blob,
+ const char *controller_type, char *str,
+ bool (*has_erratum)(void))
+{
+ char buf[32] = {0};
+
+ snprintf(buf, sizeof(buf), "fsl,usb-erratum-%s", str);
+ if (!has_erratum())
+ return -EINVAL;
+ *usb_erratum_off = fsl_fdt_fixup_usb_erratum(blob, buf, controller_type,
+ *usb_erratum_off);
+ if (*usb_erratum_off < 0)
+ return -ENOSPC;
+ debug("Adding USB erratum %s\n", str);
+ return 0;
+}
+
+void fsl_fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
static const char * const modes[] = { "host", "peripheral", "otg" };
static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
int usb_erratum_a007075_off = -1;
int usb_erratum_a007792_off = -1;
int usb_erratum_a005697_off = -1;
+ int usb_erratum_a008751_off = -1;
int usb_mode_off = -1;
int usb_phy_off = -1;
char str[5];
int i, j;
+ int ret;
for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
const char *dr_mode_type = NULL;
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;
- }
+ ret = fsl_fdt_fixup_erratum(&usb_erratum_a006261_off, blob,
+ CHIPIDEA_USB2, "a006261",
+ has_erratum_a006261);
+ if (ret == -ENOSPC)
+ return;
+ ret = fsl_fdt_fixup_erratum(&usb_erratum_a007075_off, blob,
+ CHIPIDEA_USB2, "a007075",
+ has_erratum_a007075);
+ if (ret == -ENOSPC)
+ return;
+ ret = fsl_fdt_fixup_erratum(&usb_erratum_a007792_off, blob,
+ CHIPIDEA_USB2, "a007792",
+ has_erratum_a007792);
+ if (ret == -ENOSPC)
+ return;
+ ret = fsl_fdt_fixup_erratum(&usb_erratum_a005697_off, blob,
+ CHIPIDEA_USB2, "a005697",
+ has_erratum_a005697);
+ if (ret == -ENOSPC)
+ return;
+ ret = fsl_fdt_fixup_erratum(&usb_erratum_a008751_off, blob,
+ SNPS_DWC3, "a008751",
+ has_erratum_a008751);
+ if (ret == -ENOSPC)
+ 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;
- }
- if (has_erratum_a005697()) {
- usb_erratum_a005697_off = fdt_fixup_usb_erratum
- (blob,
- "fsl,usb-erratum-a005697",
- usb_erratum_a005697_off);
- if (usb_erratum_a005697_off < 0)
- return;
- }
}
}
projects / u-boot / blobdiff