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git.ipfire.org Git - people/ms/u-boot.git/blob - arch/powerpc/include/asm/global_data.h
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 /* TODO: sjg@chromium.org: Should these be unslgned long? */
43 #if defined(CONFIG_MPC83xx)
44 /* There are other clocks in the MPC83XX */
46 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
47 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
51 # elif defined(CONFIG_MPC8309)
54 # if defined(CONFIG_MPC834x)
56 # endif /* CONFIG_MPC834x */
57 # if defined(CONFIG_MPC8315)
64 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
65 defined(CONFIG_MPC837x)
69 # if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
72 # if defined(CONFIG_MPC8360)
74 # endif /* CONFIG_MPC8360 */
76 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
79 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
80 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
81 defined(CONFIG_MPC86xx)
85 #if defined(CONFIG_QE)
90 #endif /* CONFIG_QE */
91 #if defined(CONFIG_FSL_LAW)
94 #if defined(CONFIG_E500)
95 u32 used_tlb_cams
[(CONFIG_SYS_NUM_TLBCAMS
+31)/32];
97 #if defined(CONFIG_MPC5xxx)
98 unsigned long ipb_clk
;
103 * The following data structure is placed in some memory wich is
104 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
105 * some locked parts of the data cache) to allow for a minimum set of
106 * global variables during system initialization (until we have set
107 * up the memory controller so that we can use RAM).
110 typedef struct global_data
{
113 unsigned int baudrate
;
114 unsigned long cpu_clk
; /* CPU clock in Hz! */
115 unsigned long bus_clk
;
116 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
117 unsigned long pci_clk
;
118 unsigned long mem_clk
;
119 #if defined(CONFIG_FSL_ESDHC)
122 #if defined(CONFIG_MPC512X)
125 #endif /* CONFIG_MPC512X */
126 #if defined(CONFIG_MPC8220)
127 unsigned long bExtUart
;
128 unsigned long inp_clk
;
129 unsigned long vco_clk
;
130 unsigned long pev_clk
;
131 unsigned long flb_clk
;
133 phys_size_t ram_size
; /* RAM size */
134 unsigned long reset_status
; /* reset status register at boot */
135 #if defined(CONFIG_MPC83xx)
136 unsigned long arbiter_event_attributes
;
137 unsigned long arbiter_event_address
;
139 unsigned long env_addr
; /* Address of Environment struct */
140 unsigned long env_valid
; /* Checksum of Environment valid? */
141 unsigned long have_console
; /* serial_init() was called */
142 #ifdef CONFIG_PRE_CONSOLE_BUFFER
143 unsigned long precon_buf_idx
; /* Pre-Console buffer index */
145 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
146 unsigned int dp_alloc_base
;
147 unsigned int dp_alloc_top
;
149 #if defined(CONFIG_4xx)
151 #endif /* CONFIG_4xx */
152 #if defined(CONFIG_SYS_GT_6426x)
153 unsigned int mirror_hack
[16];
155 #if defined(CONFIG_A3000) || \
156 defined(CONFIG_HIDDEN_DRAGON) || \
157 defined(CONFIG_MUSENKI) || \
158 defined(CONFIG_SANDPOINT)
161 unsigned long relocaddr
; /* Start address of U-Boot in RAM */
162 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
163 unsigned long fb_base
; /* Base address of framebuffer memory */
165 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
166 unsigned long post_log_word
; /* Record POST activities */
167 unsigned long post_log_res
; /* success of POST test */
168 unsigned long post_init_f_time
; /* When post_init_f started */
170 #ifdef CONFIG_BOARD_TYPES
171 unsigned long board_type
;
173 #ifdef CONFIG_MODEM_SUPPORT
174 unsigned long do_mdm_init
;
175 unsigned long be_quiet
;
177 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
178 unsigned long kbd_status
;
180 #ifdef CONFIG_SYS_FPGA_COUNT
181 unsigned fpga_state
[CONFIG_SYS_FPGA_COUNT
];
183 #if defined(CONFIG_WD_MAX_RATE)
184 unsigned long long wdt_last
; /* trace watch-dog triggering rate */
186 void **jt
; /* jump table */
187 char env_buf
[32]; /* buffer for getenv() before reloc. */
188 struct arch_global_data arch
; /* architecture-specific data */
191 #include <asm-generic/global_data_flags.h>
194 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
195 #else /* We could use plain global data, but the resulting code is bigger */
196 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
197 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
201 #endif /* __ASM_GBL_DATA_H */