xref: /OK3568_Linux_fs/kernel/include/linux/ssb/ssb_driver_mips.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef LINUX_SSB_MIPSCORE_H_
3*4882a593Smuzhiyun #define LINUX_SSB_MIPSCORE_H_
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifdef CONFIG_SSB_DRIVER_MIPS
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun struct ssb_device;
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct ssb_serial_port {
10*4882a593Smuzhiyun 	void *regs;
11*4882a593Smuzhiyun 	unsigned long clockspeed;
12*4882a593Smuzhiyun 	unsigned int irq;
13*4882a593Smuzhiyun 	unsigned int baud_base;
14*4882a593Smuzhiyun 	unsigned int reg_shift;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun struct ssb_pflash {
18*4882a593Smuzhiyun 	bool present;
19*4882a593Smuzhiyun 	u8 buswidth;
20*4882a593Smuzhiyun 	u32 window;
21*4882a593Smuzhiyun 	u32 window_size;
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifdef CONFIG_SSB_SFLASH
25*4882a593Smuzhiyun struct ssb_sflash {
26*4882a593Smuzhiyun 	bool present;
27*4882a593Smuzhiyun 	u32 window;
28*4882a593Smuzhiyun 	u32 blocksize;
29*4882a593Smuzhiyun 	u16 numblocks;
30*4882a593Smuzhiyun 	u32 size;
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	void *priv;
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun #endif
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun struct ssb_mipscore {
37*4882a593Smuzhiyun 	struct ssb_device *dev;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	int nr_serial_ports;
40*4882a593Smuzhiyun 	struct ssb_serial_port serial_ports[4];
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	struct ssb_pflash pflash;
43*4882a593Smuzhiyun #ifdef CONFIG_SSB_SFLASH
44*4882a593Smuzhiyun 	struct ssb_sflash sflash;
45*4882a593Smuzhiyun #endif
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
49*4882a593Smuzhiyun extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun extern unsigned int ssb_mips_irq(struct ssb_device *dev);
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #else /* CONFIG_SSB_DRIVER_MIPS */
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun struct ssb_mipscore {
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun static inline
ssb_mipscore_init(struct ssb_mipscore * mcore)60*4882a593Smuzhiyun void ssb_mipscore_init(struct ssb_mipscore *mcore)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun 
ssb_mips_irq(struct ssb_device * dev)64*4882a593Smuzhiyun static inline unsigned int ssb_mips_irq(struct ssb_device *dev)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun 	return 0;
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun #endif /* CONFIG_SSB_DRIVER_MIPS */
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun #endif /* LINUX_SSB_MIPSCORE_H_ */
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