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 {
32 #if defined(CONFIG_8xx)
33 unsigned long brg_clk;
35 #if defined(CONFIG_CPM2)
36 unsigned long brg_clk;
38 #if defined(CONFIG_QE)
44 * The following data structure is placed in some memory wich is
45 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
46 * some locked parts of the data cache) to allow for a minimum set of
47 * global variables during system initialization (until we have set
48 * up the memory controller so that we can use RAM).
51 typedef struct global_data {
54 unsigned int baudrate;
55 unsigned long cpu_clk; /* CPU clock in Hz! */
56 unsigned long bus_clk;
57 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
58 unsigned long pci_clk;
59 #if defined(CONFIG_CPM2)
60 /* There are many clocks on the MPC8260 - see page 9-5 */
61 unsigned long vco_out;
62 unsigned long cpm_clk;
63 unsigned long scc_clk;
65 unsigned long mem_clk;
66 #if defined(CONFIG_MPC83xx)
67 /* There are other clocks in the MPC83XX */
69 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
70 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
74 #elif defined(CONFIG_MPC8309)
77 #if defined (CONFIG_MPC834x)
79 #endif /* CONFIG_MPC834x */
80 #if defined(CONFIG_MPC8315)
87 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
88 defined(CONFIG_MPC837x)
92 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
95 #if defined(CONFIG_MPC8360)
97 #endif /* CONFIG_MPC8360 */
99 #if defined(CONFIG_FSL_ESDHC)
102 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
105 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
106 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
110 #if defined(CONFIG_QE)
114 #endif /* CONFIG_QE */
115 #if defined(CONFIG_FSL_LAW)
118 #if defined(CONFIG_E500)
119 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
121 #if defined(CONFIG_MPC5xxx)
122 unsigned long ipb_clk;
124 #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 vco_clk;
132 unsigned long pev_clk;
133 unsigned long flb_clk;
135 phys_size_t ram_size; /* RAM size */
136 unsigned long reset_status; /* reset status register at boot */
137 #if defined(CONFIG_MPC83xx)
138 unsigned long arbiter_event_attributes;
139 unsigned long arbiter_event_address;
141 unsigned long env_addr; /* Address of Environment struct */
142 unsigned long env_valid; /* Checksum of Environment valid? */
143 unsigned long have_console; /* serial_init() was called */
144 #ifdef CONFIG_PRE_CONSOLE_BUFFER
145 unsigned long precon_buf_idx; /* Pre-Console buffer index */
147 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
148 unsigned int dp_alloc_base;
149 unsigned int dp_alloc_top;
151 #if defined(CONFIG_4xx)
153 #endif /* CONFIG_4xx */
154 #if defined(CONFIG_SYS_GT_6426x)
155 unsigned int mirror_hack[16];
157 #if defined(CONFIG_A3000) || \
158 defined(CONFIG_HIDDEN_DRAGON) || \
159 defined(CONFIG_MUSENKI) || \
160 defined(CONFIG_SANDPOINT)
163 unsigned long relocaddr; /* Start address of U-Boot in RAM */
164 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
165 unsigned long fb_base; /* Base address of framebuffer memory */
167 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
168 unsigned long post_log_word; /* Record POST activities */
169 unsigned long post_log_res; /* success of POST test */
170 unsigned long post_init_f_time; /* When post_init_f started */
172 #ifdef CONFIG_BOARD_TYPES
173 unsigned long board_type;
175 #ifdef CONFIG_MODEM_SUPPORT
176 unsigned long do_mdm_init;
177 unsigned long be_quiet;
179 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
180 unsigned long kbd_status;
182 #ifdef CONFIG_SYS_FPGA_COUNT
183 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
185 #if defined(CONFIG_WD_MAX_RATE)
186 unsigned long long wdt_last; /* trace watch-dog triggering rate */
188 void **jt; /* jump table */
189 char env_buf[32]; /* buffer for getenv() before reloc. */
190 struct arch_global_data arch; /* architecture-specific data */
193 #include <asm-generic/global_data_flags.h>
196 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
197 #else /* We could use plain global data, but the resulting code is bigger */
198 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
199 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
203 #endif /* __ASM_GBL_DATA_H */