1 /*
2  * (C) Copyright 2002-2010
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
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.
12  *
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.
17  *
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,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef	__ASM_GBL_DATA_H
25 #define __ASM_GBL_DATA_H
26 
27 #include "config.h"
28 #include "asm/types.h"
29 
30 /*
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).
36  */
37 
38 typedef	struct	global_data {
39 	bd_t		*bd;
40 	unsigned long	flags;
41 	unsigned long	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;
46 #endif
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;
53 #ifdef CONFIG_PCI
54 	unsigned long	pci_clk;
55 #endif
56 #endif
57 	unsigned long   mem_clk;
58 #if defined(CONFIG_MPC83xx)
59 	/* There are other clocks in the MPC83XX */
60 	u32 csb_clk;
61 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
62 	defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
63 	u32 tsec1_clk;
64 	u32 tsec2_clk;
65 	u32 usbdr_clk;
66 #endif
67 #if defined (CONFIG_MPC834x)
68 	u32 usbmph_clk;
69 #endif /* CONFIG_MPC834x */
70 #if defined(CONFIG_MPC8315)
71 	u32 tdm_clk;
72 #endif
73 	u32 core_clk;
74 	u32 enc_clk;
75 	u32 lbiu_clk;
76 	u32 lclk_clk;
77 	u32 pci_clk;
78 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
79 	defined(CONFIG_MPC837x)
80 	u32 pciexp1_clk;
81 	u32 pciexp2_clk;
82 #endif
83 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
84 	u32 sata_clk;
85 #endif
86 #if defined(CONFIG_MPC8360)
87 	u32  mem_sec_clk;
88 #endif /* CONFIG_MPC8360 */
89 #endif
90 #if defined(CONFIG_FSL_ESDHC)
91 	u32 sdhc_clk;
92 #endif
93 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
94 	u32 lbc_clk;
95 	void *cpu;
96 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
97 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
98 	u32 i2c1_clk;
99 	u32 i2c2_clk;
100 #endif
101 #if defined(CONFIG_QE)
102 	u32 qe_clk;
103 	u32 brg_clk;
104 	uint mp_alloc_base;
105 	uint mp_alloc_top;
106 #endif /* CONFIG_QE */
107 #if defined(CONFIG_FSL_LAW)
108 	u32 used_laws;
109 #endif
110 #if defined(CONFIG_E500)
111 	u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
112 #endif
113 #if defined(CONFIG_MPC5xxx)
114 	unsigned long	ipb_clk;
115 	unsigned long	pci_clk;
116 #endif
117 #if defined(CONFIG_MPC512X)
118 	u32 ips_clk;
119 	u32 csb_clk;
120 	u32 pci_clk;
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;
129 #endif
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;
135 #endif
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 */
141 #endif
142 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
143 	unsigned int	dp_alloc_base;
144 	unsigned int	dp_alloc_top;
145 #endif
146 #if defined(CONFIG_4xx)
147 	u32  uart_clk;
148 #endif /* CONFIG_4xx */
149 #if defined(CONFIG_SYS_GT_6426x)
150 	unsigned int	mirror_hack[16];
151 #endif
152 #if defined(CONFIG_A3000)	|| \
153     defined(CONFIG_HIDDEN_DRAGON)  || \
154     defined(CONFIG_MUSENKI)	||  \
155     defined(CONFIG_SANDPOINT)
156 	void *		console_addr;
157 #endif
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	*/
161 #endif
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 */
166 #endif
167 #ifdef CONFIG_BOARD_TYPES
168 	unsigned long	board_type;
169 #endif
170 #ifdef CONFIG_MODEM_SUPPORT
171 	unsigned long do_mdm_init;
172 	unsigned long be_quiet;
173 #endif
174 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
175 	unsigned long kbd_status;
176 #endif
177 #ifdef CONFIG_SYS_FPGA_COUNT
178 	unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
179 #endif
180 #if defined(CONFIG_WD_MAX_RATE)
181 	unsigned long long wdt_last;	/* trace watch-dog triggering rate */
182 #endif
183 	void		**jt;		/* jump table */
184 	char		env_buf[32];	/* buffer for getenv() before reloc. */
185 } gd_t;
186 
187 #include <asm-generic/global_data_flags.h>
188 
189 #if 1
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 \
194 				    gd_t *gd
195 #endif
196 
197 #endif /* __ASM_GBL_DATA_H */
198