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_MPC7448HPC2)
53 unsigned long mem_clk;
55 #if defined(CONFIG_MPC83XX)
56 /* There are other clocks in the MPC83XX */
58 #if defined (CONFIG_MPC834X) || defined(CONFIG_MPC831X)
63 #if defined (CONFIG_MPC834X)
65 #endif /* CONFIG_MPC834X */
74 #if defined(CONFIG_QE)
79 #endif /* CONFIG_QE */
80 #if defined (CONFIG_MPC8360)
82 #endif /* CONFIG_MPC8360 */
84 #if defined(CONFIG_MPC5xxx)
85 unsigned long ipb_clk;
86 unsigned long pci_clk;
88 #if defined(CONFIG_MPC512X)
91 #endif /* CONFIG_MPC512X */
92 #if defined(CONFIG_MPC8220)
93 unsigned long bExtUart;
94 unsigned long inp_clk;
95 unsigned long pci_clk;
96 unsigned long vco_clk;
97 unsigned long pev_clk;
98 unsigned long flb_clk;
100 unsigned long ram_size; /* RAM size */
101 unsigned long reloc_off; /* Relocation Offset */
102 unsigned long reset_status; /* reset status register at boot */
103 unsigned long env_addr; /* Address of Environment struct */
104 unsigned long env_valid; /* Checksum of Environment valid? */
105 unsigned long have_console; /* serial_init() was called */
106 #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_CPM2)
107 unsigned int dp_alloc_base;
108 unsigned int dp_alloc_top;
110 #if defined(CFG_GT_6426x)
111 unsigned int mirror_hack[16];
113 #if defined(CONFIG_A3000) || \
114 defined(CONFIG_HIDDEN_DRAGON) || \
115 defined(CONFIG_MUSENKI) || \
116 defined(CONFIG_SANDPOINT)
119 #ifdef CONFIG_AMIGAONEG3SE
120 unsigned long relocaddr; /* Start address of U-Boot in RAM */
122 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
123 unsigned long fb_base; /* Base address of framebuffer memory */
125 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
126 unsigned long post_log_word; /* Record POST activities */
127 unsigned long post_init_f_time; /* When post_init_f started */
129 #ifdef CONFIG_BOARD_TYPES
130 unsigned long board_type;
132 #ifdef CONFIG_MODEM_SUPPORT
133 unsigned long do_mdm_init;
134 unsigned long be_quiet;
137 unsigned long kbd_status;
139 void **jt; /* jump table */
145 #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
146 #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
147 #define GD_FLG_SILENT 0x00004 /* Silent mode */
150 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29")
151 #else /* We could use plain global data, but the resulting code is bigger */
152 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
153 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
157 #endif /* __ASM_GBL_DATA_H */