xref: /OK3568_Linux_fs/kernel/arch/c6x/include/asm/soc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Miscellaneous SoC-specific hooks.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) 2011 Texas Instruments Incorporated
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Author: Mark Salter <msalter@redhat.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * This file is licensed under the terms of the GNU General Public License
9*4882a593Smuzhiyun  * version 2. This program is licensed "as is" without any warranty of any
10*4882a593Smuzhiyun  * kind, whether express or implied.
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun #ifndef _ASM_C6X_SOC_H
13*4882a593Smuzhiyun #define _ASM_C6X_SOC_H
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun struct soc_ops {
16*4882a593Smuzhiyun 	/* Return active exception event or -1 if none */
17*4882a593Smuzhiyun 	int		(*get_exception)(void);
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	/* Assert an event */
20*4882a593Smuzhiyun 	void		(*assert_event)(unsigned int evt);
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun extern struct soc_ops soc_ops;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun extern int soc_get_exception(void);
26*4882a593Smuzhiyun extern void soc_assert_event(unsigned int event);
27*4882a593Smuzhiyun extern int soc_mac_addr(unsigned int index, u8 *addr);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /*
30*4882a593Smuzhiyun  * for mmio on SoC devices. regs are always same byte order as cpu.
31*4882a593Smuzhiyun  */
32*4882a593Smuzhiyun #define soc_readl(addr)    __raw_readl(addr)
33*4882a593Smuzhiyun #define soc_writel(b, addr) __raw_writel((b), (addr))
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #endif /* _ASM_C6X_SOC_H */
36