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 
69 extern void __noreturn mpc83xx_restart(char *cmd);
70 extern long mpc83xx_time_init(void);
71 extern int mpc837x_usb_cfg(void);
72 extern int mpc834x_usb_cfg(void);
73 extern int mpc831x_usb_cfg(void);
74 extern void mpc83xx_ipic_init_IRQ(void);
75 #ifdef CONFIG_QUICC_ENGINE
76 extern void mpc83xx_qe_init_IRQ(void);
77 extern void mpc83xx_ipic_and_qe_init_IRQ(void);
78 #else
79 static inline void __init mpc83xx_qe_init_IRQ(void) {}
80 #define mpc83xx_ipic_and_qe_init_IRQ mpc83xx_ipic_init_IRQ
81 #endif /* CONFIG_QUICC_ENGINE */
82 
83 #ifdef CONFIG_PCI
84 extern void mpc83xx_setup_pci(void);
85 #else
86 #define mpc83xx_setup_pci()	do {} while (0)
87 #endif
88 
89 extern int mpc83xx_declare_of_platform_devices(void);
90 extern void mpc83xx_setup_arch(void);
91 
92 #endif				/* __MPC83XX_H__ */
93