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1/*
2 * Copyright 2006 Freescale Semiconductor.
3 * Jeffrey Brown
4 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
5 */
6
7#ifndef __MPC86xx_H__
8#define __MPC86xx_H__
9
10#include <asm/fsl_lbc.h>
11
12#define EXC_OFF_SYS_RESET 0x0100 /* System reset offset */
13#define _START_OFFSET EXC_OFF_SYS_RESET
14
15/*
16 * platform register addresses
17 */
18
19#define GUTS_SVR (CONFIG_SYS_CCSRBAR + 0xE00A4)
20#define MCM_ABCR (CONFIG_SYS_CCSRBAR + 0x01000)
21#define MCM_DBCR (CONFIG_SYS_CCSRBAR + 0x01008)
22
23/*
24 * l2cr values. Look in config_<BOARD>.h for the actual setup
25 */
26#define l2cr 1017
27
28#define L2CR_L2E 0x80000000 /* bit 0 - enable */
29#define L2CR_L2PE 0x40000000 /* bit 1 - data parity */
30#define L2CR_L2I 0x00200000 /* bit 10 - global invalidate bit */
31#define L2CR_L2CTL 0x00100000 /* bit 11 - l2 ram control */
32#define L2CR_L2DO 0x00010000 /* bit 15 - data-only mode */
33#define L2CR_REP 0x00001000 /* bit 19 - l2 replacement alg */
34#define L2CR_HWF 0x00000800 /* bit 20 - hardware flush */
35#define L2CR_L2IP 0x00000001 /* global invalidate in progress */
36
37#define HID0_XBSEN 0x00000100
38#define HID0_HIGH_BAT_EN 0x00800000
39#define HID0_XAEN 0x00020000
40
41#ifndef __ASSEMBLY__
42
43typedef struct {
44 unsigned long freq_processor;
45 unsigned long freq_systembus;
46 unsigned long freq_localbus;
47} MPC86xx_SYS_INFO;
48
49#define l1icache_enable icache_enable
50
51void l2cache_enable(void);
52void l1dcache_enable(void);
53
54static __inline__ unsigned long get_hid0 (void)
55{
56 unsigned long hid0;
57 asm volatile("mfspr %0, 1008" : "=r" (hid0) :);
58 return hid0;
59}
60
61static __inline__ unsigned long get_hid1 (void)
62{
63 unsigned long hid1;
64 asm volatile("mfspr %0, 1009" : "=r" (hid1) :);
65 return hid1;
66}
67
68static __inline__ void set_hid0 (unsigned long hid0)
69{
70 asm volatile("mtspr 1008, %0" : : "r" (hid0));
71}
72
73static __inline__ void set_hid1 (unsigned long hid1)
74{
75 asm volatile("mtspr 1009, %0" : : "r" (hid1));
76}
77
78
79static __inline__ unsigned long get_l2cr (void)
80{
81 unsigned long l2cr_val;
82 asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :);
83 return l2cr_val;
84}
85
86void setup_ddr_bat(phys_addr_t dram_size);
87extern void setup_bats(void);
88
89#endif /* _ASMLANGUAGE */
90#endif /* __MPC86xx_H__ */
91