xref: /OK3568_Linux_fs/u-boot/include/mpc85xx.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2004, 2007 Freescale Semiconductor.
3*4882a593Smuzhiyun  * Copyright(c) 2003 Motorola Inc.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef	__MPC85xx_H__
7*4882a593Smuzhiyun #define __MPC85xx_H__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #if defined(CONFIG_E500)
10*4882a593Smuzhiyun #include <e500.h>
11*4882a593Smuzhiyun #endif
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun /*
14*4882a593Smuzhiyun  * SCCR - System Clock Control Register, 9-8
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun #define SCCR_CLPD       0x00000004      /* CPM Low Power Disable */
17*4882a593Smuzhiyun #define SCCR_DFBRG_MSK  0x00000003      /* Division by BRGCLK Mask */
18*4882a593Smuzhiyun #define SCCR_DFBRG_SHIFT 0
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define SCCR_DFBRG00    0x00000000      /* BRGCLK division by 4 */
21*4882a593Smuzhiyun #define SCCR_DFBRG01    0x00000001      /* BRGCLK div by 16 (normal) */
22*4882a593Smuzhiyun #define SCCR_DFBRG10    0x00000002      /* BRGCLK division by 64 */
23*4882a593Smuzhiyun #define SCCR_DFBRG11    0x00000003      /* BRGCLK division by 256 */
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun /*
26*4882a593Smuzhiyun  * Define default values for some CCSR macros to make header files cleaner*
27*4882a593Smuzhiyun  *
28*4882a593Smuzhiyun  * To completely disable CCSR relocation in a board header file, define
29*4882a593Smuzhiyun  * CONFIG_SYS_CCSR_DO_NOT_RELOCATE.  This will force CONFIG_SYS_CCSRBAR_PHYS
30*4882a593Smuzhiyun  * to a value that is the same as CONFIG_SYS_CCSRBAR.
31*4882a593Smuzhiyun  */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #ifdef CONFIG_SYS_CCSRBAR_PHYS
34*4882a593Smuzhiyun #error "Do not define CONFIG_SYS_CCSRBAR_PHYS directly.  Use \
35*4882a593Smuzhiyun CONFIG_SYS_CCSRBAR_PHYS_LOW and/or CONFIG_SYS_CCSRBAR_PHYS_HIGH instead."
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #ifdef CONFIG_SYS_CCSR_DO_NOT_RELOCATE
39*4882a593Smuzhiyun #undef CONFIG_SYS_CCSRBAR_PHYS_HIGH
40*4882a593Smuzhiyun #undef CONFIG_SYS_CCSRBAR_PHYS_LOW
41*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
42*4882a593Smuzhiyun #endif
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #ifndef CONFIG_SYS_CCSRBAR
45*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR 		CONFIG_SYS_CCSRBAR_DEFAULT
46*4882a593Smuzhiyun #endif
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun #ifndef CONFIG_SYS_CCSRBAR_PHYS_HIGH
49*4882a593Smuzhiyun #ifdef CONFIG_PHYS_64BIT
50*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0xf
51*4882a593Smuzhiyun #else
52*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
53*4882a593Smuzhiyun #endif
54*4882a593Smuzhiyun #endif
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun #ifndef CONFIG_SYS_CCSRBAR_PHYS_LOW
57*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR_PHYS_LOW 	CONFIG_SYS_CCSRBAR_DEFAULT
58*4882a593Smuzhiyun #endif
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #define CONFIG_SYS_CCSRBAR_PHYS ((CONFIG_SYS_CCSRBAR_PHYS_HIGH * 1ull) << 32 | \
61*4882a593Smuzhiyun 				 CONFIG_SYS_CCSRBAR_PHYS_LOW)
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun #ifndef CONFIG_SYS_IMMR
64*4882a593Smuzhiyun #define CONFIG_SYS_IMMR 		CONFIG_SYS_CCSRBAR
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun #endif	/* __MPC85xx_H__ */
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