3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
24 #ifndef __ASM_GBL_DATA_H
25 #define __ASM_GBL_DATA_H
27 #include "asm/types.h"
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).
36 * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
39 typedef struct global_data {
42 unsigned long baudrate;
43 unsigned long cpu_clk; /* CPU clock in Hz! */
44 unsigned long bus_clk;
45 #if defined(CONFIG_CPM2)
46 /* 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;
52 #if defined(CONFIG_MPC83XX)
53 /* There are other clocks in the MPC83XX */
55 #if defined (CONFIG_MPC8349)
60 #endif /* CONFIG_MPC8349 */
69 #if defined(CONFIG_QE)
72 #endif /* CONFIG_QE */
73 #if defined (CONFIG_MPC8360)
75 #endif /* CONFIG_MPC8360 */
77 #if defined(CONFIG_MPC5xxx)
78 unsigned long ipb_clk;
79 unsigned long pci_clk;
81 #if defined(CONFIG_MPC8220)
82 unsigned long bExtUart;
83 unsigned long inp_clk;
84 unsigned long pci_clk;
85 unsigned long vco_clk;
86 unsigned long pev_clk;
87 unsigned long flb_clk;
89 unsigned long ram_size; /* RAM size */
90 unsigned long reloc_off; /* Relocation Offset */
91 unsigned long reset_status; /* reset status register at boot */
92 unsigned long env_addr; /* Address of Environment struct */
93 unsigned long env_valid; /* Checksum of Environment valid? */
94 unsigned long have_console; /* serial_init() was called */
95 #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_CPM2)
96 unsigned int dp_alloc_base;
97 unsigned int dp_alloc_top;
99 #if defined(CFG_GT_6426x)
100 unsigned int mirror_hack[16];
102 #if defined(CONFIG_A3000) || \
103 defined(CONFIG_HIDDEN_DRAGON) || \
104 defined(CONFIG_MUSENKI) || \
105 defined(CONFIG_SANDPOINT)
108 #ifdef CONFIG_AMIGAONEG3SE
109 unsigned long relocaddr; /* Start address of U-Boot in RAM */
111 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
112 unsigned long fb_base; /* Base address of framebuffer memory */
114 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
115 unsigned long post_log_word; /* Record POST activities */
116 unsigned long post_init_f_time; /* When post_init_f started */
118 #ifdef CONFIG_BOARD_TYPES
119 unsigned long board_type;
121 #ifdef CONFIG_MODEM_SUPPORT
122 unsigned long do_mdm_init;
123 unsigned long be_quiet;
126 unsigned long kbd_status;
128 void **jt; /* jump table */
134 #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
135 #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
136 #define GD_FLG_SILENT 0x00004 /* Silent mode */
139 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29")
140 #else /* We could use plain global data, but the resulting code is bigger */
141 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
142 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
146 #endif /* __ASM_GBL_DATA_H */