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"
31 * The following data structure is placed in some memory wich is
32 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
33 * some locked parts of the data cache) to allow for a minimum set of
34 * global variables during system initialization (until we have set
35 * up the memory controller so that we can use RAM).
38 typedef struct global_data {
41 unsigned int baudrate;
42 unsigned long cpu_clk; /* CPU clock in Hz! */
43 unsigned long bus_clk;
44 #if defined(CONFIG_8xx)
45 unsigned long brg_clk;
47 #if defined(CONFIG_CPM2)
48 /* There are many clocks on the MPC8260 - see page 9-5 */
49 unsigned long vco_out;
50 unsigned long cpm_clk;
51 unsigned long scc_clk;
52 unsigned long brg_clk;
54 unsigned long pci_clk;
57 unsigned long mem_clk;
58 #if defined(CONFIG_MPC83xx)
59 /* There are other clocks in the MPC83XX */
61 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
62 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
67 #if defined (CONFIG_MPC834x)
69 #endif /* CONFIG_MPC834x */
70 #if defined(CONFIG_MPC8315)
78 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
79 defined(CONFIG_MPC837x)
83 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
86 #if defined(CONFIG_MPC8360)
88 #endif /* CONFIG_MPC8360 */
90 #if defined(CONFIG_FSL_ESDHC)
93 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
96 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
97 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
101 #if defined(CONFIG_QE)
106 #endif /* CONFIG_QE */
107 #if defined(CONFIG_FSL_LAW)
110 #if defined(CONFIG_E500)
111 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
113 #if defined(CONFIG_MPC5xxx)
114 unsigned long ipb_clk;
115 unsigned long pci_clk;
117 #if defined(CONFIG_MPC512X)
121 #endif /* CONFIG_MPC512X */
122 #if defined(CONFIG_MPC8220)
123 unsigned long bExtUart;
124 unsigned long inp_clk;
125 unsigned long pci_clk;
126 unsigned long vco_clk;
127 unsigned long pev_clk;
128 unsigned long flb_clk;
130 phys_size_t ram_size; /* RAM size */
131 unsigned long reset_status; /* reset status register at boot */
132 #if defined(CONFIG_MPC83xx)
133 unsigned long arbiter_event_attributes;
134 unsigned long arbiter_event_address;
136 unsigned long env_addr; /* Address of Environment struct */
137 unsigned long env_valid; /* Checksum of Environment valid? */
138 unsigned long have_console; /* serial_init() was called */
139 #ifdef CONFIG_PRE_CONSOLE_BUFFER
140 unsigned long precon_buf_idx; /* Pre-Console buffer index */
142 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
143 unsigned int dp_alloc_base;
144 unsigned int dp_alloc_top;
146 #if defined(CONFIG_4xx)
148 #endif /* CONFIG_4xx */
149 #if defined(CONFIG_SYS_GT_6426x)
150 unsigned int mirror_hack[16];
152 #if defined(CONFIG_A3000) || \
153 defined(CONFIG_HIDDEN_DRAGON) || \
154 defined(CONFIG_MUSENKI) || \
155 defined(CONFIG_SANDPOINT)
158 unsigned long relocaddr; /* Start address of U-Boot in RAM */
159 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
160 unsigned long fb_base; /* Base address of framebuffer memory */
162 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
163 unsigned long post_log_word; /* Record POST activities */
164 unsigned long post_log_res; /* success of POST test */
165 unsigned long post_init_f_time; /* When post_init_f started */
167 #ifdef CONFIG_BOARD_TYPES
168 unsigned long board_type;
170 #ifdef CONFIG_MODEM_SUPPORT
171 unsigned long do_mdm_init;
172 unsigned long be_quiet;
174 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
175 unsigned long kbd_status;
177 #ifdef CONFIG_SYS_FPGA_COUNT
178 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
180 #if defined(CONFIG_WD_MAX_RATE)
181 unsigned long long wdt_last; /* trace watch-dog triggering rate */
183 void **jt; /* jump table */
184 char env_buf[32]; /* buffer for getenv() before reloc. */
187 #include <asm-generic/global_data_flags.h>
190 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
191 #else /* We could use plain global data, but the resulting code is bigger */
192 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
193 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
197 #endif /* __ASM_GBL_DATA_H */