1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __MPC83XX_H__
3#define __MPC83XX_H__
4
5#include <linux/init.h>
6#include <linux/device.h>
7#include <asm/pci-bridge.h>
8
9/* System Clock Control Register */
10#define MPC83XX_SCCR_OFFS          0xA08
11#define MPC83XX_SCCR_USB_MASK      0x00f00000
12#define MPC83XX_SCCR_USB_MPHCM_11  0x00c00000
13#define MPC83XX_SCCR_USB_MPHCM_01  0x00400000
14#define MPC83XX_SCCR_USB_MPHCM_10  0x00800000
15#define MPC83XX_SCCR_USB_DRCM_11   0x00300000
16#define MPC83XX_SCCR_USB_DRCM_01   0x00100000
17#define MPC83XX_SCCR_USB_DRCM_10   0x00200000
18#define MPC8315_SCCR_USB_MASK      0x00c00000
19#define MPC8315_SCCR_USB_DRCM_11   0x00c00000
20#define MPC8315_SCCR_USB_DRCM_01   0x00400000
21#define MPC837X_SCCR_USB_DRCM_11   0x00c00000
22
23/* system i/o configuration register low */
24#define MPC83XX_SICRL_OFFS         0x114
25#define MPC834X_SICRL_USB_MASK     0x60000000
26#define MPC834X_SICRL_USB0         0x20000000
27#define MPC834X_SICRL_USB1         0x40000000
28#define MPC831X_SICRL_USB_MASK     0x00000c00
29#define MPC831X_SICRL_USB_ULPI     0x00000800
30#define MPC8315_SICRL_USB_MASK     0x000000fc
31#define MPC8315_SICRL_USB_ULPI     0x00000054
32#define MPC837X_SICRL_USB_MASK     0xf0000000
33#define MPC837X_SICRL_USB_ULPI     0x50000000
34#define MPC837X_SICRL_USBB_MASK    0x30000000
35#define MPC837X_SICRL_SD           0x20000000
36
37/* system i/o configuration register high */
38#define MPC83XX_SICRH_OFFS         0x118
39#define MPC8308_SICRH_USB_MASK     0x000c0000
40#define MPC8308_SICRH_USB_ULPI     0x00040000
41#define MPC834X_SICRH_USB_UTMI     0x00020000
42#define MPC831X_SICRH_USB_MASK     0x000000e0
43#define MPC831X_SICRH_USB_ULPI     0x000000a0
44#define MPC8315_SICRH_USB_MASK     0x0000ff00
45#define MPC8315_SICRH_USB_ULPI     0x00000000
46#define MPC837X_SICRH_SPI_MASK     0x00000003
47#define MPC837X_SICRH_SD           0x00000001
48
49/* USB Control Register */
50#define FSL_USB2_CONTROL_OFFS      0x500
51#define CONTROL_UTMI_PHY_EN        0x00000200
52#define CONTROL_REFSEL_24MHZ       0x00000040
53#define CONTROL_REFSEL_48MHZ       0x00000080
54#define CONTROL_PHY_CLK_SEL_ULPI   0x00000400
55#define CONTROL_OTG_PORT           0x00000020
56
57/* USB PORTSC Registers */
58#define FSL_USB2_PORTSC1_OFFS      0x184
59#define FSL_USB2_PORTSC2_OFFS      0x188
60#define PORTSCX_PTW_16BIT          0x10000000
61#define PORTSCX_PTS_UTMI           0x00000000
62#define PORTSCX_PTS_ULPI           0x80000000
63
64/*
65 * Declaration for the various functions exported by the
66 * mpc83xx_* files. Mostly for use by mpc83xx_setup
67 */
68
69extern void __noreturn mpc83xx_restart(char *cmd);
70extern long mpc83xx_time_init(void);
71extern int mpc837x_usb_cfg(void);
72extern int mpc834x_usb_cfg(void);
73extern int mpc831x_usb_cfg(void);
74extern void mpc83xx_ipic_init_IRQ(void);
75
76#ifdef CONFIG_PCI
77extern void mpc83xx_setup_pci(void);
78#else
79#define mpc83xx_setup_pci()	do {} while (0)
80#endif
81
82extern int mpc83xx_declare_of_platform_devices(void);
83extern void mpc83xx_setup_arch(void);
84
85#endif				/* __MPC83XX_H__ */
86