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wdenk0157ced2002-10-21 17:04:47 +00001/*
2 * (C) Copyright 2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#ifndef __ASM_GBL_DATA_H
25#define __ASM_GBL_DATA_H
Eran Libertyf046ccd2005-07-28 10:08:46 -050026
27#include "asm/types.h"
28
wdenk0157ced2002-10-21 17:04:47 +000029/*
30 * The following data structure is placed in some memory wich is
31 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
32 * some locked parts of the data cache) to allow for a minimum set of
33 * global variables during system initialization (until we have set
34 * up the memory controller so that we can use RAM).
35 *
36 * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
37 */
38
39typedef struct global_data {
40 bd_t *bd;
41 unsigned long flags;
42 unsigned long baudrate;
43 unsigned long cpu_clk; /* CPU clock in Hz! */
44 unsigned long bus_clk;
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050045#if defined(CONFIG_CPM2)
wdenk0157ced2002-10-21 17:04:47 +000046 /* There are many clocks on the MPC8260 - see page 9-5 */
47 unsigned long vco_out;
48 unsigned long cpm_clk;
49 unsigned long scc_clk;
50 unsigned long brg_clk;
51#endif
Eran Libertyf046ccd2005-07-28 10:08:46 -050052#if defined(CONFIG_MPC83XX)
53 /* There are other clocks in the MPC83XX */
54 u32 csb_clk;
Dave Liu5f820432006-11-03 19:33:44 -060055#if defined (CONFIG_MPC8349)
Eran Libertyf046ccd2005-07-28 10:08:46 -050056 u32 tsec1_clk;
57 u32 tsec2_clk;
Eran Libertyf046ccd2005-07-28 10:08:46 -050058 u32 usbmph_clk;
59 u32 usbdr_clk;
Dave Liu5f820432006-11-03 19:33:44 -060060#endif /* CONFIG_MPC8349 */
61 u32 core_clk;
62 u32 i2c1_clk;
63 u32 i2c2_clk;
Eran Libertyf046ccd2005-07-28 10:08:46 -050064 u32 enc_clk;
65 u32 lbiu_clk;
66 u32 lclk_clk;
67 u32 ddr_clk;
Rafal Jaworowski6902df52005-10-17 02:39:53 +020068 u32 pci_clk;
Dave Liu5f820432006-11-03 19:33:44 -060069#if defined(CONFIG_QE)
70 u32 qe_clk;
71 u32 brg_clk;
Dave Liu7737d5c2006-11-03 12:11:15 -060072 uint mp_alloc_base;
73 uint mp_alloc_top;
Dave Liu5f820432006-11-03 19:33:44 -060074#endif /* CONFIG_QE */
75#if defined (CONFIG_MPC8360)
76 u32 ddr_sec_clk;
77#endif /* CONFIG_MPC8360 */
Eran Libertyf046ccd2005-07-28 10:08:46 -050078#endif
wdenkcbd8a352004-02-24 02:00:03 +000079#if defined(CONFIG_MPC5xxx)
wdenk945af8d2003-07-16 21:53:01 +000080 unsigned long ipb_clk;
81 unsigned long pci_clk;
82#endif
wdenk983fda82004-10-28 00:09:35 +000083#if defined(CONFIG_MPC8220)
84 unsigned long bExtUart;
85 unsigned long inp_clk;
86 unsigned long pci_clk;
87 unsigned long vco_clk;
88 unsigned long pev_clk;
89 unsigned long flb_clk;
90#endif
wdenk0157ced2002-10-21 17:04:47 +000091 unsigned long ram_size; /* RAM size */
92 unsigned long reloc_off; /* Relocation Offset */
93 unsigned long reset_status; /* reset status register at boot */
94 unsigned long env_addr; /* Address of Environment struct */
95 unsigned long env_valid; /* Checksum of Environment valid? */
96 unsigned long have_console; /* serial_init() was called */
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050097#if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_CPM2)
wdenk0157ced2002-10-21 17:04:47 +000098 unsigned int dp_alloc_base;
99 unsigned int dp_alloc_top;
100#endif
wdenk12f34242003-09-02 22:48:03 +0000101#if defined(CFG_GT_6426x)
wdenk0157ced2002-10-21 17:04:47 +0000102 unsigned int mirror_hack[16];
103#endif
wdenk756f5862005-04-03 15:51:42 +0000104#if defined(CONFIG_A3000) || \
105 defined(CONFIG_HIDDEN_DRAGON) || \
106 defined(CONFIG_MUSENKI) || \
107 defined(CONFIG_SANDPOINT)
wdenk0157ced2002-10-21 17:04:47 +0000108 void * console_addr;
109#endif
wdenkc7de8292002-11-19 11:04:11 +0000110#ifdef CONFIG_AMIGAONEG3SE
111 unsigned long relocaddr; /* Start address of U-Boot in RAM */
112#endif
wdenk0157ced2002-10-21 17:04:47 +0000113#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
114 unsigned long fb_base; /* Base address of framebuffer memory */
115#endif
wdenk667122a2003-07-15 21:50:34 +0000116#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
wdenk228f29a2002-12-08 09:53:23 +0000117 unsigned long post_log_word; /* Record POST activities */
wdenk4532cb62003-04-27 22:52:51 +0000118 unsigned long post_init_f_time; /* When post_init_f started */
wdenk228f29a2002-12-08 09:53:23 +0000119#endif
wdenk0157ced2002-10-21 17:04:47 +0000120#ifdef CONFIG_BOARD_TYPES
121 unsigned long board_type;
122#endif
wdenk4532cb62003-04-27 22:52:51 +0000123#ifdef CONFIG_MODEM_SUPPORT
124 unsigned long do_mdm_init;
125 unsigned long be_quiet;
126#endif
127#ifdef CONFIG_LWMON
128 unsigned long kbd_status;
wdenk8bde7f72003-06-27 21:31:46 +0000129#endif
wdenk27b207f2003-07-24 23:38:38 +0000130 void **jt; /* jump table */
wdenk0157ced2002-10-21 17:04:47 +0000131} gd_t;
132
133/*
134 * Global Data Flags
135 */
136#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
137#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
wdenkf72da342003-10-10 10:05:42 +0000138#define GD_FLG_SILENT 0x00004 /* Silent mode */
wdenk0157ced2002-10-21 17:04:47 +0000139
140#if 1
wdenk27b207f2003-07-24 23:38:38 +0000141#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29")
wdenk0157ced2002-10-21 17:04:47 +0000142#else /* We could use plain global data, but the resulting code is bigger */
143#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
144#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
145 gd_t *gd
146#endif
147
148#endif /* __ASM_GBL_DATA_H */