summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/global_data.h
blob: d3dd44e96d7bdff3d1e1f75e53e304266190dc3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef	__ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H

#include "config.h"
#include "asm/types.h"

/*
 * The following data structure is placed in some memory wich is
 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
 * some locked parts of the data cache) to allow for a minimum set of
 * global variables during system initialization (until we have set
 * up the memory controller so that we can use RAM).
 *
 * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
 */

typedef	struct	global_data {
	bd_t		*bd;
	unsigned long	flags;
	unsigned long	baudrate;
	unsigned long	cpu_clk;	/* CPU clock in Hz! */
	unsigned long	bus_clk;
#if defined(CONFIG_8xx)
	unsigned long	brg_clk;
#endif
#if defined(CONFIG_CPM2)
	/* There are many clocks on the MPC8260 - see page 9-5 */
	unsigned long	vco_out;
	unsigned long	cpm_clk;
	unsigned long	scc_clk;
	unsigned long	brg_clk;
#ifdef CONFIG_PCI
	unsigned long	pci_clk;
#endif
#endif
	unsigned long   mem_clk;
#if defined(CONFIG_MPC83xx)
	/* There are other clocks in the MPC83XX */
	u32 csb_clk;
#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
	u32 tsec1_clk;
	u32 tsec2_clk;
	u32 usbdr_clk;
#endif
#if defined (CONFIG_MPC834x)
	u32 usbmph_clk;
#endif /* CONFIG_MPC834x */
#if defined(CONFIG_MPC8315)
	u32 tdm_clk;
#endif
	u32 core_clk;
	u32 enc_clk;
	u32 lbiu_clk;
	u32 lclk_clk;
	u32 pci_clk;
#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC831x)
	u32 pciexp1_clk;
	u32 pciexp2_clk;
#endif
#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
	u32 sata_clk;
#endif
#if defined(CONFIG_MPC8360)
	u32  mem_sec_clk;
#endif /* CONFIG_MPC8360 */
#endif
#if defined(CONFIG_FSL_ESDHC)
	u32 sdhc_clk;
#endif
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
	u32 lbc_clk;
	void *cpu;
#endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
	u32 i2c1_clk;
	u32 i2c2_clk;
#endif
#if defined(CONFIG_QE)
	u32 qe_clk;
	u32 brg_clk;
	uint mp_alloc_base;
	uint mp_alloc_top;
#endif /* CONFIG_QE */
#if defined(CONFIG_FSL_LAW)
	u32 used_laws;
#endif
#if defined(CONFIG_E500)
	u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
#endif
#if defined(CONFIG_MPC5xxx)
	unsigned long	ipb_clk;
	unsigned long	pci_clk;
#endif
#if defined(CONFIG_MPC512X)
	u32 ips_clk;
	u32 csb_clk;
	u32 pci_clk;
#endif /* CONFIG_MPC512X */
#if defined(CONFIG_MPC8220)
	unsigned long   bExtUart;
	unsigned long   inp_clk;
	unsigned long   pci_clk;
	unsigned long   vco_clk;
	unsigned long   pev_clk;
	unsigned long   flb_clk;
#endif
	phys_size_t	ram_size;	/* RAM size */
	unsigned long	reset_status;	/* reset status register at boot	*/
#if defined(CONFIG_MPC83xx)
	unsigned long	arbiter_event_attributes;
	unsigned long	arbiter_event_address;
#endif
	unsigned long	env_addr;	/* Address  of Environment struct	*/
	unsigned long	env_valid;	/* Checksum of Environment valid?	*/
	unsigned long	have_console;	/* serial_init() was called		*/
#if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
	unsigned int	dp_alloc_base;
	unsigned int	dp_alloc_top;
#endif
#if defined(CONFIG_4xx)
	u32  uart_clk;
#endif /* CONFIG_4xx */
#if defined(CONFIG_SYS_GT_6426x)
	unsigned int	mirror_hack[16];
#endif
#if defined(CONFIG_A3000)	|| \
    defined(CONFIG_HIDDEN_DRAGON)  || \
    defined(CONFIG_MUSENKI)	||  \
    defined(CONFIG_SANDPOINT)
	void *		console_addr;
#endif
	unsigned long	relocaddr;	/* Start address of U-Boot in RAM */
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
	unsigned long	fb_base;	/* Base address of framebuffer memory	*/
#endif
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
	unsigned long	post_log_word;  /* Record POST activities */
	unsigned long	post_init_f_time;  /* When post_init_f started */
#endif
#ifdef CONFIG_BOARD_TYPES
	unsigned long	board_type;
#endif
#ifdef CONFIG_MODEM_SUPPORT
	unsigned long do_mdm_init;
	unsigned long be_quiet;
#endif
#if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
	unsigned long kbd_status;
#endif
#if defined(CONFIG_WD_MAX_RATE)
	unsigned long long wdt_last;	/* trace watch-dog triggering rate */
#endif
	void		**jt;		/* jump table */
} gd_t;

/*
 * Global Data Flags
 */
#define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
#define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
#define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
#define	GD_FLG_POSTSTOP	0x00010		/* POST seqeunce aborted		*/
#define	GD_FLG_LOGINIT	0x00020		/* Log Buffer has been initialized	*/
#define GD_FLG_DISABLE_CONSOLE	0x00040		/* Disable console (in & out)	 */

#if 1
#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r2")
#else /* We could use plain global data, but the resulting code is bigger */
#define XTRN_DECLARE_GLOBAL_DATA_PTR	extern
#define DECLARE_GLOBAL_DATA_PTR     XTRN_DECLARE_GLOBAL_DATA_PTR \
				    gd_t *gd
#endif

#endif /* __ASM_GBL_DATA_H */