mpc83xx.h

linux 内核源代码

#ifndef __MPC83XX_H__
#define __MPC83XX_H__

#include <linux/init.h>
#include <linux/device.h>
#include <asm/pci-bridge.h>

/* System Clock Control Register */
#define MPC83XX_SCCR_OFFS          0xA08
#define MPC83XX_SCCR_USB_MASK      0x00f00000
#define MPC83XX_SCCR_USB_MPHCM_11  0x00c00000
#define MPC83XX_SCCR_USB_MPHCM_01  0x00400000
#define MPC83XX_SCCR_USB_MPHCM_10  0x00800000
#define MPC83XX_SCCR_USB_DRCM_11   0x00300000
#define MPC83XX_SCCR_USB_DRCM_01   0x00100000
#define MPC83XX_SCCR_USB_DRCM_10   0x00200000

/* system i/o configuration register low */
#define MPC83XX_SICRL_OFFS         0x114
#define MPC834X_SICRL_USB_MASK     0x60000000
#define MPC834X_SICRL_USB0         0x40000000
#define MPC834X_SICRL_USB1         0x20000000
#define MPC831X_SICRL_USB_MASK     0x00000c00
#define MPC831X_SICRL_USB_ULPI     0x00000800

/* system i/o configuration register high */
#define MPC83XX_SICRH_OFFS         0x118
#define MPC834X_SICRH_USB_UTMI     0x00020000
#define MPC831X_SICRH_USB_MASK     0x000000e0
#define MPC831X_SICRH_USB_ULPI     0x000000a0

/* USB Control Register */
#define FSL_USB2_CONTROL_OFFS      0x500
#define CONTROL_UTMI_PHY_EN        0x00000200
#define CONTROL_REFSEL_48MHZ       0x00000080
#define CONTROL_PHY_CLK_SEL_ULPI   0x00000400
#define CONTROL_OTG_PORT           0x00000020

/* USB PORTSC Registers */
#define FSL_USB2_PORTSC1_OFFS      0x184
#define FSL_USB2_PORTSC2_OFFS      0x188
#define PORTSCX_PTW_16BIT          0x10000000
#define PORTSCX_PTS_UTMI           0x00000000
#define PORTSCX_PTS_ULPI           0x80000000

/*
 * Declaration for the various functions exported by the
 * mpc83xx_* files. Mostly for use by mpc83xx_setup
 */

extern int mpc83xx_add_bridge(struct device_node *dev);
extern void mpc83xx_restart(char *cmd);
extern long mpc83xx_time_init(void);
extern int mpc834x_usb_cfg(void);
extern int mpc831x_usb_cfg(void);

#endif				/* __MPC83XX_H__ */