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) || defined(CONFIG_MPC837X)
63 #if defined (CONFIG_MPC834X)
65 #endif /* CONFIG_MPC834X */
66 #if defined(CONFIG_MPC815)
69 #if defined(CONFIG_MPC837X)
80 #if defined(CONFIG_MPC837X)
84 #if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
87 #if defined(CONFIG_MPC8360)
89 #endif /* CONFIG_MPC8360 */
91 #if defined(CONFIG_QE)
96 #endif /* CONFIG_QE */
97 #if defined(CONFIG_MPC5xxx)
98 unsigned long ipb_clk;
99 unsigned long pci_clk;
101 #if defined(CONFIG_MPC512X)
104 #endif /* CONFIG_MPC512X */
105 #if defined(CONFIG_MPC8220)
106 unsigned long bExtUart;
107 unsigned long inp_clk;
108 unsigned long pci_clk;
109 unsigned long vco_clk;
110 unsigned long pev_clk;
111 unsigned long flb_clk;
113 unsigned long ram_size; /* RAM size */
114 unsigned long reloc_off; /* Relocation Offset */
115 unsigned long reset_status; /* reset status register at boot */
116 unsigned long env_addr; /* Address of Environment struct */
117 unsigned long env_valid; /* Checksum of Environment valid? */
118 unsigned long have_console; /* serial_init() was called */
119 #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_CPM2)
120 unsigned int dp_alloc_base;
121 unsigned int dp_alloc_top;
123 #if defined(CONFIG_4xx)
125 #endif /* CONFIG_4xx */
126 #if defined(CFG_GT_6426x)
127 unsigned int mirror_hack[16];
129 #if defined(CONFIG_A3000) || \
130 defined(CONFIG_HIDDEN_DRAGON) || \
131 defined(CONFIG_MUSENKI) || \
132 defined(CONFIG_SANDPOINT)
135 #ifdef CONFIG_AMIGAONEG3SE
136 unsigned long relocaddr; /* Start address of U-Boot in RAM */
138 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
139 unsigned long fb_base; /* Base address of framebuffer memory */
141 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
142 unsigned long post_log_word; /* Record POST activities */
143 unsigned long post_init_f_time; /* When post_init_f started */
145 #ifdef CONFIG_BOARD_TYPES
146 unsigned long board_type;
148 #ifdef CONFIG_MODEM_SUPPORT
149 unsigned long do_mdm_init;
150 unsigned long be_quiet;
152 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
153 unsigned long kbd_status;
155 void **jt; /* jump table */
161 #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
162 #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
163 #define GD_FLG_SILENT 0x00004 /* Silent mode */
166 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29")
167 #else /* We could use plain global data, but the resulting code is bigger */
168 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
169 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
173 #endif /* __ASM_GBL_DATA_H */