1 /* define bootstub constrains here, like memory map etc.
2  */
3 
4 #ifndef _BOOT_STUB_HEAD
5 #define _BOOT_STUB_HEAD
6 
7 #define CPUID_MASK		0xffff0
8 #define PENWELL_FAMILY		0x20670
9 #define CLOVERVIEW_FAMILY	0x30650
10 #define VALLEYVIEW2_FAMILY	0x30670
11 #define TANGIER_FAMILY		0x406A0
12 #define ANNIEDALE_FAMILY	0x506A0
13 
14 #define MID_CPU_CHIP_LINCROFT	1
15 #define MID_CPU_CHIP_PENWELL	2
16 #define MID_CPU_CHIP_CLOVERVIEW 3
17 #define MID_CPU_CHIP_VALLEYVIEW2 4
18 #define MID_CPU_CHIP_TANGIER	5
19 #define MID_CPU_CHIP_ANNIEDALE	6
20 #define MID_CPU_CHIP_OTHER		0xFF
21 
22 #define BASE_ADDRESS		0x01100000
23 
24 #define CMDLINE_OFFSET		BASE_ADDRESS
25 #define BZIMAGE_SIZE_OFFSET	(CMDLINE_OFFSET + CMDLINE_SIZE)
26 #define INITRD_SIZE_OFFSET	(BZIMAGE_SIZE_OFFSET + 4)
27 #define SPI_UART_SUPPRESSION	(INITRD_SIZE_OFFSET + 4)
28 
29 #define SPI_TYPE		(SPI_UART_SUPPRESSION + 4) /*0:SPI0  1:SPI1*/
30 #define SPI_0		0
31 #define SPI_1		1
32 #define SPI_2		2
33 
34 #define FLAGS_RESERVED_0	(SPI_TYPE + 4)
35 #define FLAGS_RESERVED_1	(FLAGS_RESERVED_0 + 4)
36 #define VXE_FW_SIZE_OFFSET		(FLAGS_RESERVED_1 + 4)
37 #define SEC_PLAT_SVCS_SIZE_OFFSET	(VXE_FW_SIZE_OFFSET + 4)
38 #define XEN_SIZE_OFFSET		(SEC_PLAT_SVCS_SIZE_OFFSET + 4)
39 
40 #define BOOTSTUB_OFFSET		(BASE_ADDRESS + 0x1000)
41 
42 #define BZIMAGE_OFFSET		(BASE_ADDRESS + 0x3000)
43 
44 #define SETUP_HEADER_OFFSET (BZIMAGE_OFFSET + 0x1F1)
45 #define SETUP_HEADER_SIZE (0x0202 + *(unsigned char*)(0x0201+BZIMAGE_OFFSET))
46 #define BOOT_PARAMS_OFFSET 0x8000
47 #define BOOT_CMDLINE_OFFSET 0x10000
48 #define SETUP_SIGNATURE 0x5a5aaa55
49 
50 #define GDT_ENTRY_BOOT_CS       2
51 #define __BOOT_CS               (GDT_ENTRY_BOOT_CS * 8)
52 
53 #define GDT_ENTRY_BOOT_DS       (GDT_ENTRY_BOOT_CS + 1)
54 #define __BOOT_DS               (GDT_ENTRY_BOOT_DS * 8)
55 
56 #ifdef __ASSEMBLY__
57 #define GDT_ENTRY(flags, base, limit)			\
58 	((((base)  & 0xff000000) << (56-24)) |	\
59 	 (((flags) & 0x0000f0ff) << 40) |	\
60 	 (((limit) & 0x000f0000) << (48-16)) |	\
61 	 (((base)  & 0x00ffffff) << 16) |	\
62 	 (((limit) & 0x0000ffff)))
63 #else
64 #define GDT_ENTRY(flags, base, limit)           \
65         (((u64)(base & 0xff000000) << 32) |     \
66          ((u64)flags << 40) |                   \
67          ((u64)(limit & 0x00ff0000) << 32) |    \
68          ((u64)(base & 0x00ffffff) << 16) |     \
69          ((u64)(limit & 0x0000ffff)))
70 int get_e820_by_bios(void *e820_buf);
71 int mid_identify_cpu(void);
72 void bs_printk(const char *str);
73 #endif
74 
75 #endif
76