Root/package/uboot-ifxmips/files/include/boot.h

1#ifndef _BOOT_H
2#define _BOOT_H
3
4/* All this should be defined somewhere in danube.h later... */
5
6#define MPS_SRAM_BASE_ADDRESS 0xBF200000
7#define MPS_SRAM_BOOT_OFFSET 0x1C0
8
9/* Offset for CPU1 (both CPUs have same register set) */
10#define BOOT_BASE_ADDRESS (MPS_SRAM_BASE_ADDRESS + MPS_SRAM_BOOT_OFFSET)
11#define BOOT_CPU_OFFSET 0x20
12
13
14#ifdef __ASSEMBLY__
15#define BOOT_RVEC (BOOT_BASE_ADDRESS + 0x00)
16#define BOOT_NVEC (BOOT_BASE_ADDRESS + 0x04)
17#define BOOT_EVEC (BOOT_BASE_ADDRESS + 0x08)
18#define BOOT_CP0_CAUSE (BOOT_BASE_ADDRESS + 0x0C)
19#define BOOT_CP0_EPC (BOOT_BASE_ADDRESS + 0x10)
20#define BOOT_CP0_EEPC (BOOT_BASE_ADDRESS + 0x14)
21#define BOOT_SIZE (BOOT_BASE_ADDRESS + 0x18) /* for CPU1 */
22#define BOOT_RCU_SR (BOOT_BASE_ADDRESS + 0x18) /* for CPU0 */
23#define BOOT_CFG_STAT (BOOT_BASE_ADDRESS + 0x1C)
24#else
25#define BOOT_RVEC(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x00)
26#define BOOT_NVEC(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x04)
27#define BOOT_EVEC(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x08)
28#define BOOT_CP0_STATUS(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x0C)
29#define BOOT_CP0_EPC(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x10)
30#define BOOT_CP0_EEPC(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x14)
31#define BOOT_SIZE(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x18) /* for CPU1 */
32#define BOOT_RCU_SR(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x18) /* for CPU0 */
33#define BOOT_CFG_STAT(cpu) (volatile u32*)(BOOT_BASE_ADDRESS + (cpu * BOOT_CPU_OFFSET) + 0x1C)
34#endif
35
36#define BOOT_CFG_NOR 0x01
37#define BOOT_CFG_MII 0x02
38#define BOOT_CFG_PCI 0x03
39#define BOOT_CFG_ASC 0x04
40#define BOOT_CFG_SFLASH 0x05
41#define BOOT_CFG_NAND 0x06
42#define BOOT_CFG_RMII 0x07
43#define BOOT_CFG_TEST 0x00
44
45#define BOOT_NUM_RETRY 3
46
47#define BOOT_STAT_MASK_ALL 0x0000FFFF
48#define BOOT_STAT_MASK_STAT 0x0000F000
49#define BOOT_STAT_MASK_BERR 0x00000F00
50#define BOOT_STAT_MASK_BSTRAP 0x000000F0
51#define BOOT_STAT_MASK_BMODULE 0x0000000F
52
53#define BOOT_STAT_INIT 0x00000000
54#define BOOT_STAT_BSTRAP 0x00001000
55#define BOOT_STAT_RETRY 0x00002000
56#define BOOT_STAT_START 0x00003000
57#define BOOT_STAT_HALT 0x0000F000
58
59#define BOOT_ERR_NO_RVEC 0x00000100
60#define BOOT_ERR_NO_NVEC 0x00000200
61#define BOOT_ERR_NO_EVEC 0x00000300
62#define BOOT_ERR_BSTRAP 0x00000400
63#define BOOT_ERR_EXC 0x00000800
64
65#ifndef __ASSEMBLY__
66void boot_set_status( u32 status, u32 mask);
67void boot_set_config( u32 config);
68void boot_set_rvec( u32 vector);
69void boot_set_size( u32 size);
70void boot_sdbg( u8* string, u32 value);
71void boot_error( u32 berr);
72int boot_from_ebu(void);
73void _boot_rvec(void);
74typedef struct
75{
76    u32 cpu; /** CPU number */
77    u32 config; /** Boot configuration */
78   u32 endian; /** CPU endianess */
79   u32 debug; /** Debug mode */
80    u32 (*exit)(void); /** application vector */
81} boot_data;
82
83extern boot_data bootrom;
84#endif
85
86#endif /* #ifdef _BOOT_H */
87

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