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 /* There are many clocks on the MPC8260 - see page 9-5 */
37 unsigned long vco_out;
38 unsigned long cpm_clk;
39 unsigned long scc_clk;
40 unsigned long brg_clk;
42 #if defined(CONFIG_QE)
45 /* TODO: sjg@chromium.org: Should these be unslgned long? */
46 #if defined(CONFIG_MPC83xx)
47 /* There are other clocks in the MPC83XX */
49 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
50 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
54 # elif defined(CONFIG_MPC8309)
57 # if defined(CONFIG_MPC834x)
59 # endif /* CONFIG_MPC834x */
60 # if defined(CONFIG_MPC8315)
67 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
68 defined(CONFIG_MPC837x)
72 # if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
75 # if defined(CONFIG_MPC8360)
77 # endif /* CONFIG_MPC8360 */
79 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
82 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
86 * The following data structure is placed in some memory wich is
87 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
88 * some locked parts of the data cache) to allow for a minimum set of
89 * global variables during system initialization (until we have set
90 * up the memory controller so that we can use RAM).
93 typedef struct global_data {
96 unsigned int baudrate;
97 unsigned long cpu_clk; /* CPU clock in Hz! */
98 unsigned long bus_clk;
99 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
100 unsigned long pci_clk;
101 unsigned long mem_clk;
102 #if defined(CONFIG_FSL_ESDHC)
105 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
109 #if defined(CONFIG_QE)
113 #endif /* CONFIG_QE */
114 #if defined(CONFIG_FSL_LAW)
117 #if defined(CONFIG_E500)
118 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
120 #if defined(CONFIG_MPC5xxx)
121 unsigned long ipb_clk;
123 #if defined(CONFIG_MPC512X)
126 #endif /* CONFIG_MPC512X */
127 #if defined(CONFIG_MPC8220)
128 unsigned long bExtUart;
129 unsigned long inp_clk;
130 unsigned long vco_clk;
131 unsigned long pev_clk;
132 unsigned long flb_clk;
134 phys_size_t ram_size; /* RAM size */
135 unsigned long reset_status; /* reset status register at boot */
136 #if defined(CONFIG_MPC83xx)
137 unsigned long arbiter_event_attributes;
138 unsigned long arbiter_event_address;
140 unsigned long env_addr; /* Address of Environment struct */
141 unsigned long env_valid; /* Checksum of Environment valid? */
142 unsigned long have_console; /* serial_init() was called */
143 #ifdef CONFIG_PRE_CONSOLE_BUFFER
144 unsigned long precon_buf_idx; /* Pre-Console buffer index */
146 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
147 unsigned int dp_alloc_base;
148 unsigned int dp_alloc_top;
150 #if defined(CONFIG_4xx)
152 #endif /* CONFIG_4xx */
153 #if defined(CONFIG_SYS_GT_6426x)
154 unsigned int mirror_hack[16];
156 #if defined(CONFIG_A3000) || \
157 defined(CONFIG_HIDDEN_DRAGON) || \
158 defined(CONFIG_MUSENKI) || \
159 defined(CONFIG_SANDPOINT)
162 unsigned long relocaddr; /* Start address of U-Boot in RAM */
163 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
164 unsigned long fb_base; /* Base address of framebuffer memory */
166 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
167 unsigned long post_log_word; /* Record POST activities */
168 unsigned long post_log_res; /* success of POST test */
169 unsigned long post_init_f_time; /* When post_init_f started */
171 #ifdef CONFIG_BOARD_TYPES
172 unsigned long board_type;
174 #ifdef CONFIG_MODEM_SUPPORT
175 unsigned long do_mdm_init;
176 unsigned long be_quiet;
178 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
179 unsigned long kbd_status;
181 #ifdef CONFIG_SYS_FPGA_COUNT
182 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
184 #if defined(CONFIG_WD_MAX_RATE)
185 unsigned long long wdt_last; /* trace watch-dog triggering rate */
187 void **jt; /* jump table */
188 char env_buf[32]; /* buffer for getenv() before reloc. */
189 struct arch_global_data arch; /* architecture-specific data */
192 #include <asm-generic/global_data_flags.h>
195 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
196 #else /* We could use plain global data, but the resulting code is bigger */
197 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
198 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
202 #endif /* __ASM_GBL_DATA_H */