xref: /openbmc/u-boot/include/mpc85xx.h (revision e77e65df)
1 /*
2  * Copyright 2004, 2007 Freescale Semiconductor.
3  * Copyright(c) 2003 Motorola Inc.
4  */
5 
6 #ifndef	__MPC85xx_H__
7 #define __MPC85xx_H__
8 
9 /* define for common ppc_asm.tmpl */
10 #define EXC_OFF_SYS_RESET	0x100	/* System reset */
11 #define _START_OFFSET		0
12 
13 #if defined(CONFIG_E500)
14 #include <e500.h>
15 #endif
16 
17 /*
18  * SCCR - System Clock Control Register, 9-8
19  */
20 #define SCCR_CLPD       0x00000004      /* CPM Low Power Disable */
21 #define SCCR_DFBRG_MSK  0x00000003      /* Division by BRGCLK Mask */
22 #define SCCR_DFBRG_SHIFT 0
23 
24 #define SCCR_DFBRG00    0x00000000      /* BRGCLK division by 4 */
25 #define SCCR_DFBRG01    0x00000001      /* BRGCLK div by 16 (normal) */
26 #define SCCR_DFBRG10    0x00000002      /* BRGCLK division by 64 */
27 #define SCCR_DFBRG11    0x00000003      /* BRGCLK division by 256 */
28 
29 /*
30  * Define default values for some CCSR macros to make header files cleaner*
31  *
32  * To completely disable CCSR relocation in a board header file, define
33  * CONFIG_SYS_CCSR_DO_NOT_RELOCATE.  This will force CONFIG_SYS_CCSRBAR_PHYS
34  * to a value that is the same as CONFIG_SYS_CCSRBAR.
35  */
36 
37 #ifdef CONFIG_SYS_CCSRBAR_PHYS
38 #error "Do not define CONFIG_SYS_CCSRBAR_PHYS directly.  Use \
39 CONFIG_SYS_CCSRBAR_PHYS_LOW and/or CONFIG_SYS_CCSRBAR_PHYS_HIGH instead."
40 #endif
41 
42 #ifdef CONFIG_SYS_CCSR_DO_NOT_RELOCATE
43 #undef CONFIG_SYS_CCSRBAR_PHYS_HIGH
44 #undef CONFIG_SYS_CCSRBAR_PHYS_LOW
45 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
46 #endif
47 
48 #ifndef CONFIG_SYS_CCSRBAR
49 #define CONFIG_SYS_CCSRBAR 		CONFIG_SYS_CCSRBAR_DEFAULT
50 #endif
51 
52 #ifndef CONFIG_SYS_CCSRBAR_PHYS_HIGH
53 #ifdef CONFIG_PHYS_64BIT
54 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0xf
55 #else
56 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
57 #endif
58 #endif
59 
60 #ifndef CONFIG_SYS_CCSRBAR_PHYS_LOW
61 #define CONFIG_SYS_CCSRBAR_PHYS_LOW 	CONFIG_SYS_CCSRBAR_DEFAULT
62 #endif
63 
64 #define CONFIG_SYS_CCSRBAR_PHYS ((CONFIG_SYS_CCSRBAR_PHYS_HIGH * 1ull) << 32 | \
65 				 CONFIG_SYS_CCSRBAR_PHYS_LOW)
66 
67 #ifndef CONFIG_SYS_IMMR
68 #define CONFIG_SYS_IMMR 		CONFIG_SYS_CCSRBAR
69 #endif
70 
71 #endif	/* __MPC85xx_H__ */
72