[linexec-j720] / setup.h

/*\r
 *  linux/include/asm/setup.h\r
 *\r
 *  Copyright (C) 1997-1999 Russell King\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License version 2 as\r
 * published by the Free Software Foundation.\r
 *\r
 *  Structure passed to kernel to tell it about the\r
 *  hardware it's running on.  See linux/Documentation/arm/Setup\r
 *  for more info.\r
 *\r
 * NOTE:\r
 *  This file contains two ways to pass information from the boot\r
 *  loader to the kernel. The old struct param_struct is deprecated,\r
 *  but it will be kept in the kernel for 5 years from now\r
 *  (2001). This will allow boot loaders to convert to the new struct\r
 *  tag way.\r
 */\r
#ifndef __ASMARM_SETUP_H\r
#define __ASMARM_SETUP_H\r\r
\r\r
#define u32	UINT32\r\r
#define u16	UINT16\r\r
#define u8	UINT8\r\r
\r
\r
/*#ifndef CONFIG_ACCEPT_GPL\r
#error This file covered by GPL but CONFIG_ACCEPT_GPL undefined.\r
#endif*/\r
\r
/*\r
 * Usage:\r
 *  - do not go blindly adding fields, add them at the end\r
 *  - when adding fields, don't rely on the address until\r
 *    a patch from me has been released\r
 *  - unused fields should be zero (for future expansion)\r
 *  - this structure is relatively short-lived - only\r
 *    guaranteed to contain useful data in setup_arch()\r
 */\r
#define COMMAND_LINE_SIZE 1024\r
\r
/* This is the old deprecated way to pass parameters to the kernel */\r
struct param_struct {\r
    union {\r
	struct {\r
	    unsigned long page_size;		/*  0 */\r
	    unsigned long nr_pages;		/*  4 */\r
	    unsigned long ramdisk_size;		/*  8 */\r
	    unsigned long flags;		/* 12 */\r
#define FLAG_READONLY	1\r
#define FLAG_RDLOAD	4\r
#define FLAG_RDPROMPT	8\r
	    unsigned long rootdev;		/* 16 */\r
	    unsigned long video_num_cols;	/* 20 */\r
	    unsigned long video_num_rows;	/* 24 */\r
	    unsigned long video_x;		/* 28 */\r
	    unsigned long video_y;		/* 32 */\r
	    unsigned long memc_control_reg;	/* 36 */\r
	    unsigned char sounddefault;		/* 40 */\r
	    unsigned char adfsdrives;		/* 41 */\r
	    unsigned char bytes_per_char_h;	/* 42 */\r
	    unsigned char bytes_per_char_v;	/* 43 */\r
	    unsigned long pages_in_bank[4];	/* 44 */\r
	    unsigned long pages_in_vram;	/* 60 */\r
	    unsigned long initrd_start;		/* 64 */\r
	    unsigned long initrd_size;		/* 68 */\r
	    unsigned long rd_start;		/* 72 */\r
	    unsigned long system_rev;		/* 76 */\r
	    unsigned long system_serial_low;	/* 80 */\r
	    unsigned long system_serial_high;	/* 84 */\r
	    unsigned long mem_fclk_21285;       /* 88 */\r
	} s;\r
	char unused[256];\r
    } u1;\r
    union {\r
	char paths[8][128];\r
	struct {\r
	    unsigned long magic;\r
	    char n[1024 - sizeof(unsigned long)];\r
	} s;\r
    } u2;\r
    char commandline[COMMAND_LINE_SIZE];\r
};\r
\r
\r
\r
/*\r
 * The new way of passing information: a list of tagged entries\r
 */\r
\r
/* The list ends with an ATAG_NONE node. */\r
#define ATAG_NONE	0x00000000\r
\r
struct tag_header {\r
	u32 size;\r
	u32 tag;\r
};\r
\r
/* The list must start with an ATAG_CORE node */\r
#define ATAG_CORE	0x54410001\r
\r
struct tag_core {\r
	u32 flags;		/* bit 0 = read-only */\r
	u32 pagesize;\r
	u32 rootdev;\r
};\r
\r
/* it is allowed to have multiple ATAG_MEM nodes */\r
#define ATAG_MEM	0x54410002\r
\r
struct tag_mem32 {\r
	u32	size;\r
	u32	start;	/* physical start address */\r
};\r
\r
/* VGA text type displays */\r
#define ATAG_VIDEOTEXT	0x54410003\r
\r
struct tag_videotext {\r
	u8		x;\r
	u8		y;\r
	u16		video_page;\r
	u8		video_mode;\r
	u8		video_cols;\r
	u16		video_ega_bx;\r
	u8		video_lines;\r
	u8		video_isvga;\r
	u16		video_points;\r
};\r
\r
/* describes how the ramdisk will be used in kernel */\r
#define ATAG_RAMDISK	0x54410004\r
\r
struct tag_ramdisk {\r
	u32 flags;	/* bit 0 = load, bit 1 = prompt */\r
	u32 size;	/* decompressed ramdisk size in _kilo_ bytes */\r
	u32 start;	/* starting block of floppy-based RAM disk image */\r
};\r
\r
/* describes where the compressed ramdisk image lives */\r
#define ATAG_INITRD	0x54410005\r\r
\r\r
#define ATAG_INITRD2	0x54420005\r
\r
struct tag_initrd {\r
	u32 start;	/* physical start address */\r
	u32 size;	/* size of compressed ramdisk image in bytes */\r
};\r
\r
/* board serial number. "64 bits should be enough for everybody" */\r
#define ATAG_SERIAL	0x54410006\r
\r
struct tag_serialnr {\r
	u32 low;\r
	u32 high;\r
};\r
\r
/* board revision */\r
#define ATAG_REVISION	0x54410007\r
\r
struct tag_revision {\r
	u32 rev;\r
};\r
\r
/* initial values for vesafb-type framebuffers. see struct screen_info\r
 * in include/linux/tty.h\r
 */\r
#define ATAG_VIDEOLFB	0x54410008\r
\r
struct tag_videolfb {\r
	u16		lfb_width;\r
	u16		lfb_height;\r
	u16		lfb_depth;\r
	u16		lfb_linelength;\r
	u32		lfb_base;\r
	u32		lfb_size;\r
	u8		red_size;\r
	u8		red_pos;\r
	u8		green_size;\r
	u8		green_pos;\r
	u8		blue_size;\r
	u8		blue_pos;\r
	u8		rsvd_size;\r
	u8		rsvd_pos;\r
};\r
\r
/* command line: \0 terminated string */\r
#define ATAG_CMDLINE	0x54410009\r
\r
struct tag_cmdline {\r
	char	cmdline[1];	/* this is the minimum size */\r
};\r
\r
/* acorn RiscPC specific information */\r
#define ATAG_ACORN	0x41000101\r
\r
struct tag_acorn {\r
	u32 memc_control_reg;\r
	u32 vram_pages;\r
	u8 sounddefault;\r
	u8 adfsdrives;\r
};\r
\r
#define ATAG_PTABLE	0x53410001\r
\r
/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */\r
#define ATAG_MEMCLK	0x41000402\r
\r
struct tag_memclk {\r
	u32 fmemclk;\r
};\r
\r
struct tag {\r
	struct tag_header hdr;\r
	union {\r
		struct tag_core		core;\r
		struct tag_mem32	mem;\r
		struct tag_videotext	videotext;\r
		struct tag_ramdisk	ramdisk;\r
		struct tag_initrd	initrd;\r
		struct tag_serialnr	serialnr;\r
		struct tag_revision	revision;\r
		struct tag_videolfb	videolfb;\r
		struct tag_cmdline	cmdline;\r
//                struct tag_ptable       ptable;  \r
\r
		/*\r
		 * Acorn specific\r
		 */\r
		struct tag_acorn	acorn;\r
\r
		/*\r
		 * DC21285 specific\r
		 */\r
		struct tag_memclk	memclk;\r
           \r
	} u;\r
};\r
\r
struct tagtable {\r
	u32 tag;\r
	int (*parse)(const struct tag *);\r
};\r
\r
#define __tag __attribute__((unused, __section__(".taglist")))\r
#define __tagtable(tag, fn) \\r
static struct tagtable __tagtable_##fn __tag = { tag, fn }\r
\r
#define tag_member_present(tag,member)				\\r
	((unsigned long)(&((struct tag *)0L)->member + 1)	\\r
		<= (tag)->hdr.size * 4)\r
\r
#define tag_next(t)	((struct tag *)((u32 *)(t) + (t)->hdr.size))\r
#define tag_size(type)	((sizeof(struct tag_header) + sizeof(struct type)) >> 2)\r
\r
#define for_each_tag(t,base)		\\r
	for (t = base; t->hdr.size; t = tag_next(t))\r
\r
/*\r
 * Memory map description\r
 */\r
#define NR_BANKS 8\r
\r
struct meminfo {\r
	int nr_banks;\r
	unsigned long end;\r
	struct {\r
		unsigned long start;\r
		unsigned long size;\r
		int           node;\r
	} bank[NR_BANKS];\r
};\r
\r
extern struct meminfo meminfo;\r
\r
#endif\r
Commit	Line	Data
77a37381	1	/*\r
	2	* linux/include/asm/setup.h\r
	3	*\r
	4	* Copyright (C) 1997-1999 Russell King\r
	5	*\r
	6	* This program is free software; you can redistribute it and/or modify\r
	7	* it under the terms of the GNU General Public License version 2 as\r
	8	* published by the Free Software Foundation.\r
	9	*\r
	10	* Structure passed to kernel to tell it about the\r
	11	* hardware it's running on. See linux/Documentation/arm/Setup\r
	12	* for more info.\r
	13	*\r
	14	* NOTE:\r
	15	* This file contains two ways to pass information from the boot\r
	16	* loader to the kernel. The old struct param_struct is deprecated,\r
	17	* but it will be kept in the kernel for 5 years from now\r
	18	* (2001). This will allow boot loaders to convert to the new struct\r
	19	* tag way.\r
	20	*/\r
	21	#ifndef __ASMARM_SETUP_H\r
	22	#define __ASMARM_SETUP_H\r\r
	23	\r\r
	24	#define u32 UINT32\r\r
	25	#define u16 UINT16\r\r
	26	#define u8 UINT8\r\r
	27	\r
	28	\r
	29	/*#ifndef CONFIG_ACCEPT_GPL\r
	30	#error This file covered by GPL but CONFIG_ACCEPT_GPL undefined.\r
	31	#endif*/\r
	32	\r
	33	/*\r
	34	* Usage:\r
	35	* - do not go blindly adding fields, add them at the end\r
	36	* - when adding fields, don't rely on the address until\r
	37	* a patch from me has been released\r
	38	* - unused fields should be zero (for future expansion)\r
	39	* - this structure is relatively short-lived - only\r
	40	* guaranteed to contain useful data in setup_arch()\r
	41	*/\r
	42	#define COMMAND_LINE_SIZE 1024\r
	43	\r
	44	/* This is the old deprecated way to pass parameters to the kernel */\r
	45	struct param_struct {\r
	46	union {\r
	47	struct {\r
	48	unsigned long page_size; /* 0 */\r
	49	unsigned long nr_pages; /* 4 */\r
	50	unsigned long ramdisk_size; /* 8 */\r
	51	unsigned long flags; /* 12 */\r
	52	#define FLAG_READONLY 1\r
	53	#define FLAG_RDLOAD 4\r
	54	#define FLAG_RDPROMPT 8\r
	55	unsigned long rootdev; /* 16 */\r
	56	unsigned long video_num_cols; /* 20 */\r
	57	unsigned long video_num_rows; /* 24 */\r
	58	unsigned long video_x; /* 28 */\r
	59	unsigned long video_y; /* 32 */\r
	60	unsigned long memc_control_reg; /* 36 */\r
	61	unsigned char sounddefault; /* 40 */\r
	62	unsigned char adfsdrives; /* 41 */\r
	63	unsigned char bytes_per_char_h; /* 42 */\r
	64	unsigned char bytes_per_char_v; /* 43 */\r
65	unsigned long pages_in_bank[4]; /* 44 */\r
66	unsigned long pages_in_vram; /* 60 */\r
67	unsigned long initrd_start; /* 64 */\r
68	unsigned long initrd_size; /* 68 */\r
69	unsigned long rd_start; /* 72 */\r
70	unsigned long system_rev; /* 76 */\r
71	unsigned long system_serial_low; /* 80 */\r
72	unsigned long system_serial_high; /* 84 */\r
73	unsigned long mem_fclk_21285; /* 88 */\r
74	} s;\r
75	char unused[256];\r
76	} u1;\r
77	union {\r
78	char paths[8][128];\r
79	struct {\r
80	unsigned long magic;\r
81	char n[1024 - sizeof(unsigned long)];\r
82	} s;\r
83	} u2;\r
84	char commandline[COMMAND_LINE_SIZE];\r
85	};\r
86	\r
87	\r
88	\r
89	/*\r
90	* The new way of passing information: a list of tagged entries\r
91	*/\r
92	\r
93	/* The list ends with an ATAG_NONE node. */\r
94	#define ATAG_NONE 0x00000000\r
95	\r
96	struct tag_header {\r
97	u32 size;\r
98	u32 tag;\r
99	};\r
100	\r
101	/* The list must start with an ATAG_CORE node */\r
102	#define ATAG_CORE 0x54410001\r
103	\r
104	struct tag_core {\r
105	u32 flags; /* bit 0 = read-only */\r
106	u32 pagesize;\r
107	u32 rootdev;\r
108	};\r
109	\r
110	/* it is allowed to have multiple ATAG_MEM nodes */\r
111	#define ATAG_MEM 0x54410002\r
112	\r
113	struct tag_mem32 {\r
114	u32 size;\r
115	u32 start; /* physical start address */\r
116	};\r
117	\r
118	/* VGA text type displays */\r
119	#define ATAG_VIDEOTEXT 0x54410003\r
120	\r
121	struct tag_videotext {\r
122	u8 x;\r
123	u8 y;\r
124	u16 video_page;\r
125	u8 video_mode;\r
126	u8 video_cols;\r
127	u16 video_ega_bx;\r
128	u8 video_lines;\r
129	u8 video_isvga;\r
130	u16 video_points;\r
131	};\r
132	\r
133	/* describes how the ramdisk will be used in kernel */\r
134	#define ATAG_RAMDISK 0x54410004\r
135	\r
136	struct tag_ramdisk {\r
137	u32 flags; /* bit 0 = load, bit 1 = prompt */\r
138	u32 size; /* decompressed ramdisk size in _kilo_ bytes */\r
139	u32 start; /* starting block of floppy-based RAM disk image */\r
140	};\r
141	\r
142	/* describes where the compressed ramdisk image lives */\r
143	#define ATAG_INITRD 0x54410005\r\r
144	\r\r
145	#define ATAG_INITRD2 0x54420005\r
146	\r
147	struct tag_initrd {\r
148	u32 start; /* physical start address */\r
149	u32 size; /* size of compressed ramdisk image in bytes */\r
150	};\r
151	\r
152	/* board serial number. "64 bits should be enough for everybody" */\r
153	#define ATAG_SERIAL 0x54410006\r
154	\r
155	struct tag_serialnr {\r
156	u32 low;\r
157	u32 high;\r
158	};\r
159	\r
160	/* board revision */\r
161	#define ATAG_REVISION 0x54410007\r
162	\r
163	struct tag_revision {\r
164	u32 rev;\r
165	};\r
166	\r
167	/* initial values for vesafb-type framebuffers. see struct screen_info\r
168	* in include/linux/tty.h\r
169	*/\r
170	#define ATAG_VIDEOLFB 0x54410008\r
171	\r
172	struct tag_videolfb {\r
173	u16 lfb_width;\r
174	u16 lfb_height;\r
175	u16 lfb_depth;\r
176	u16 lfb_linelength;\r
177	u32 lfb_base;\r
178	u32 lfb_size;\r
179	u8 red_size;\r
180	u8 red_pos;\r
181	u8 green_size;\r
182	u8 green_pos;\r
183	u8 blue_size;\r
184	u8 blue_pos;\r
185	u8 rsvd_size;\r
186	u8 rsvd_pos;\r
187	};\r
188	\r
189	/* command line: \0 terminated string */\r
190	#define ATAG_CMDLINE 0x54410009\r
191	\r
192	struct tag_cmdline {\r
193	char cmdline[1]; /* this is the minimum size */\r
194	};\r
195	\r
196	/* acorn RiscPC specific information */\r
197	#define ATAG_ACORN 0x41000101\r
198	\r
199	struct tag_acorn {\r
200	u32 memc_control_reg;\r
201	u32 vram_pages;\r
202	u8 sounddefault;\r
203	u8 adfsdrives;\r
204	};\r
205	\r
206	#define ATAG_PTABLE 0x53410001\r
207	\r
208	/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */\r
209	#define ATAG_MEMCLK 0x41000402\r
210	\r
211	struct tag_memclk {\r
212	u32 fmemclk;\r
213	};\r
214	\r
215	struct tag {\r
216	struct tag_header hdr;\r
217	union {\r
218	struct tag_core core;\r
219	struct tag_mem32 mem;\r
220	struct tag_videotext videotext;\r
221	struct tag_ramdisk ramdisk;\r
222	struct tag_initrd initrd;\r
223	struct tag_serialnr serialnr;\r
224	struct tag_revision revision;\r
225	struct tag_videolfb videolfb;\r
226	struct tag_cmdline cmdline;\r
227	// struct tag_ptable ptable; \r
228	\r
229	/*\r
230	* Acorn specific\r
231	*/\r
232	struct tag_acorn acorn;\r
233	\r
234	/*\r
235	* DC21285 specific\r
236	*/\r
237	struct tag_memclk memclk;\r
238	\r
239	} u;\r
240	};\r
241	\r
242	struct tagtable {\r
243	u32 tag;\r
244	int (parse)(const struct tag );\r
245	};\r
246	\r
247	#define __tag __attribute__((unused, __section__(".taglist")))\r
248	#define __tagtable(tag, fn) \\r
249	static struct tagtable __tagtable_##fn __tag = { tag, fn }\r
250	\r
251	#define tag_member_present(tag,member) \\r
252	((unsigned long)(&((struct tag *)0L)->member + 1) \\r
253	<= (tag)->hdr.size * 4)\r
254	\r
255	#define tag_next(t) ((struct tag )((u32 )(t) + (t)->hdr.size))\r
256	#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)\r
257	\r
258	#define for_each_tag(t,base) \\r
259	for (t = base; t->hdr.size; t = tag_next(t))\r
260	\r
261	/*\r
262	* Memory map description\r
263	*/\r
264	#define NR_BANKS 8\r
265	\r
266	struct meminfo {\r
267	int nr_banks;\r
268	unsigned long end;\r
269	struct {\r
270	unsigned long start;\r
271	unsigned long size;\r
272	int node;\r
273	} bank[NR_BANKS];\r
274	};\r
275	\r
276	extern struct meminfo meminfo;\r
277	\r
278	#endif\r