2 * (C) Copyright 2002-2010
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
28 #include "asm/types.h"
30 /* Architecture-specific global data */
31 struct arch_global_data {
35 * The following data structure is placed in some memory wich is
36 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
37 * some locked parts of the data cache) to allow for a minimum set of
38 * global variables during system initialization (until we have set
39 * up the memory controller so that we can use RAM).
42 typedef struct global_data {
45 unsigned int baudrate;
46 unsigned long cpu_clk; /* CPU clock in Hz! */
47 unsigned long bus_clk;
48 #if defined(CONFIG_8xx)
49 unsigned long brg_clk;
51 #if defined(CONFIG_CPM2)
52 /* There are many clocks on the MPC8260 - see page 9-5 */
53 unsigned long vco_out;
54 unsigned long cpm_clk;
55 unsigned long scc_clk;
56 unsigned long brg_clk;
58 unsigned long pci_clk;
61 unsigned long mem_clk;
62 #if defined(CONFIG_MPC83xx)
63 /* There are other clocks in the MPC83XX */
65 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
66 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
70 #elif defined(CONFIG_MPC8309)
73 #if defined (CONFIG_MPC834x)
75 #endif /* CONFIG_MPC834x */
76 #if defined(CONFIG_MPC8315)
84 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
85 defined(CONFIG_MPC837x)
89 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
92 #if defined(CONFIG_MPC8360)
94 #endif /* CONFIG_MPC8360 */
96 #if defined(CONFIG_FSL_ESDHC)
99 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
102 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
103 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
107 #if defined(CONFIG_QE)
112 #endif /* CONFIG_QE */
113 #if defined(CONFIG_FSL_LAW)
116 #if defined(CONFIG_E500)
117 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
119 #if defined(CONFIG_MPC5xxx)
120 unsigned long ipb_clk;
121 unsigned long pci_clk;
123 #if defined(CONFIG_MPC512X)
127 #endif /* CONFIG_MPC512X */
128 #if defined(CONFIG_MPC8220)
129 unsigned long bExtUart;
130 unsigned long inp_clk;
131 unsigned long pci_clk;
132 unsigned long vco_clk;
133 unsigned long pev_clk;
134 unsigned long flb_clk;
136 phys_size_t ram_size; /* RAM size */
137 unsigned long reset_status; /* reset status register at boot */
138 #if defined(CONFIG_MPC83xx)
139 unsigned long arbiter_event_attributes;
140 unsigned long arbiter_event_address;
142 unsigned long env_addr; /* Address of Environment struct */
143 unsigned long env_valid; /* Checksum of Environment valid? */
144 unsigned long have_console; /* serial_init() was called */
145 #ifdef CONFIG_PRE_CONSOLE_BUFFER
146 unsigned long precon_buf_idx; /* Pre-Console buffer index */
148 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
149 unsigned int dp_alloc_base;
150 unsigned int dp_alloc_top;
152 #if defined(CONFIG_4xx)
154 #endif /* CONFIG_4xx */
155 #if defined(CONFIG_SYS_GT_6426x)
156 unsigned int mirror_hack[16];
158 #if defined(CONFIG_A3000) || \
159 defined(CONFIG_HIDDEN_DRAGON) || \
160 defined(CONFIG_MUSENKI) || \
161 defined(CONFIG_SANDPOINT)
164 unsigned long relocaddr; /* Start address of U-Boot in RAM */
165 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
166 unsigned long fb_base; /* Base address of framebuffer memory */
168 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
169 unsigned long post_log_word; /* Record POST activities */
170 unsigned long post_log_res; /* success of POST test */
171 unsigned long post_init_f_time; /* When post_init_f started */
173 #ifdef CONFIG_BOARD_TYPES
174 unsigned long board_type;
176 #ifdef CONFIG_MODEM_SUPPORT
177 unsigned long do_mdm_init;
178 unsigned long be_quiet;
180 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
181 unsigned long kbd_status;
183 #ifdef CONFIG_SYS_FPGA_COUNT
184 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
186 #if defined(CONFIG_WD_MAX_RATE)
187 unsigned long long wdt_last; /* trace watch-dog triggering rate */
189 void **jt; /* jump table */
190 char env_buf[32]; /* buffer for getenv() before reloc. */
191 struct arch_global_data arch; /* architecture-specific data */
194 #include <asm-generic/global_data_flags.h>
197 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
198 #else /* We could use plain global data, but the resulting code is bigger */
199 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
200 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
204 #endif /* __ASM_GBL_DATA_H */