* Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
* All rights reserved.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef USB_EHCI_H
#include <usb.h>
-#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2
-#endif
+/* Section 2.2.3 - N_PORTS */
+#define MAX_HC_PORTS 15
/*
* Register Space.
uint32_t _reserved_1_[6];
uint32_t or_configflag;
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
- uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
+ uint32_t or_portsc[MAX_HC_PORTS];
#define PORTSC_PSPD(x) (((x) >> 26) & 0x3)
#define PORTSC_PSPD_FS 0x0
#define PORTSC_PSPD_LS 0x1
} __attribute__ ((packed));
#if defined CONFIG_EHCI_DESC_BIG_ENDIAN
-#define ehci_readl(x) (*((volatile u32 *)(x)))
-#define ehci_writel(a, b) (*((volatile u32 *)(a)) = ((volatile u32)b))
+#define ehci_readl(x) cpu_to_be32(readl(x))
+#define ehci_writel(a, b) writel(cpu_to_be32(b), a)
#else
-#define ehci_readl(x) cpu_to_le32((*((volatile u32 *)(x))))
-#define ehci_writel(a, b) (*((volatile u32 *)(a)) = \
- cpu_to_le32(((volatile u32)b)))
+#define ehci_readl(x) cpu_to_le32(readl(x))
+#define ehci_writel(a, b) writel(cpu_to_le32(b), a)
#endif
#if defined CONFIG_EHCI_MMIO_BIG_ENDIAN
EHCI_TWEAK_NO_INIT_CF = 1 << 0,
};
+struct ehci_ctrl;
+
+struct ehci_ops {
+ void (*set_usb_mode)(struct ehci_ctrl *ctrl);
+ int (*get_port_speed)(struct ehci_ctrl *ctrl, uint32_t reg);
+ void (*powerup_fixup)(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+ uint32_t *reg);
+ uint32_t *(*get_portsc_register)(struct ehci_ctrl *ctrl, int port);
+ int (*init_after_reset)(struct ehci_ctrl *ctrl);
+};
+
struct ehci_ctrl {
+ enum usb_init_type init;
struct ehci_hccr *hccr; /* R/O registers, not need for volatile */
struct ehci_hcor *hcor;
int rootdev;
uint32_t *periodic_list;
int periodic_schedules;
int ntds;
+ struct ehci_ops ops;
void *priv; /* client's private data */
};
-/* Weak functions that drivers can override */
-int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg);
-void ehci_set_usbmode(struct ehci_ctrl *ctrl);
-void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
- uint32_t *reg);
-uint32_t *ehci_get_portsc_register(struct ehci_ctrl *ctrl, int port);
-
/**
- * ehci_set_controller_priv() - Set up private data for the controller
+ * ehci_set_controller_info() - Set up private data for the controller
*
* This function can be called in ehci_hcd_init() to tell the EHCI layer
* about the controller's private data pointer. Then in the above functions
- * this can be accessed given the struct ehci_ctrl pointer.
+ * this can be accessed given the struct ehci_ctrl pointer. Also special
+ * EHCI operation methods can be provided if required
*
* @index: Controller number to set
* @priv: Controller pointer
+ * @ops: Controller operations, or NULL to use default
*/
-void ehci_set_controller_priv(int index, void *priv);
+void ehci_set_controller_priv(int index, void *priv,
+ const struct ehci_ops *ops);
/**
* ehci_get_controller_priv() - Get controller private data
struct ehci_hccr **hccr, struct ehci_hcor **hcor);
int ehci_hcd_stop(int index);
+int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
+ struct ehci_hcor *hcor, const struct ehci_ops *ops,
+ uint tweaks, enum usb_init_type init);
+int ehci_deregister(struct udevice *dev);
+extern struct dm_usb_ops ehci_usb_ops;
+
#endif /* USB_EHCI_H */