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2d24a3a7 WD |
1 | /* |
2 | * Copyright (C) 2004 Arabella Software Ltd. | |
3 | * Yuli Barcohen <yuli@arabellasw.com> | |
4 | * | |
5 | * Support for Analogue&Micro Adder boards family. | |
6 | * Tested on AdderII and Adder87x. | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | #ifndef __CONFIG_H | |
27 | #define __CONFIG_H | |
28 | ||
29 | #if !defined(CONFIG_MPC875) && !defined(CONFIG_MPC852T) | |
30 | #define CONFIG_MPC875 | |
31 | #endif | |
32 | ||
33 | #define CONFIG_ADDER /* Analogue&Micro Adder board */ | |
34 | ||
35 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ | |
36 | #define CONFIG_BAUDRATE 38400 | |
37 | ||
38 | #define CONFIG_FEC_ENET /* Ethernet is on FEC */ | |
39 | #ifdef CONFIG_FEC_ENET | |
40 | #define CFG_DISCOVER_PHY | |
41 | #define FEC_ENET | |
42 | #endif /* CONFIG_FEC_ENET */ | |
43 | ||
66ca92a5 WD |
44 | #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ |
45 | #define CONFIG_8xx_CPUCLK_DEFAULT 50000000 | |
46 | #define CFG_8xx_CPUCLK_MIN 40000000 | |
47 | #ifdef CONFIG_MPC852T | |
48 | #define CFG_8xx_CPUCLK_MAX 50000000 | |
49 | #else | |
50 | #define CFG_8xx_CPUCLK_MAX 120000000 | |
51 | #endif /* CONFIG_MPC852T */ | |
2d24a3a7 WD |
52 | |
53 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | |
54 | | CFG_CMD_DHCP \ | |
55 | | CFG_CMD_IMMAP \ | |
56 | | CFG_CMD_MII \ | |
57 | | CFG_CMD_PING \ | |
58 | ) | |
59 | ||
60 | /* This must be included AFTER the definition of CONFIG_COMMANDS */ | |
61 | #include <cmd_confdefs.h> | |
62 | ||
63 | #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */ | |
64 | #define CONFIG_BOOTCOMMAND "bootm fe040000" /* Autoboot command */ | |
65 | #define CONFIG_BOOTARGS "root=/dev/mtdblock2 rw" | |
66 | ||
67 | #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */ | |
68 | #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */ | |
69 | ||
70 | /*----------------------------------------------------------------------- | |
71 | * Miscellaneous configurable options | |
72 | */ | |
73 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
74 | #define CFG_HUSH_PARSER | |
75 | #define CFG_PROMPT_HUSH_PS2 "> " | |
76 | #define CFG_LONGHELP /* #undef to save memory */ | |
77 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
78 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */ | |
79 | #define CFG_MAXARGS 16 /* Max number of command args */ | |
80 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
81 | ||
82 | #define CFG_LOAD_ADDR 0x100000 /* Default load address */ | |
83 | ||
84 | #define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */ | |
85 | ||
86 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
87 | ||
88 | /*----------------------------------------------------------------------- | |
89 | * RAM configuration (note that CFG_SDRAM_BASE must be zero) | |
90 | */ | |
91 | #define CFG_SDRAM_BASE 0x00000000 | |
92 | #define CFG_SDRAM_SIZE 0x00800000 /* 8 Mbyte */ | |
93 | ||
94 | #define CFG_OR1_PRELIM (0xFF800000 | OR_CSNT_SAM | OR_ACS_DIV2) | |
95 | #define CFG_BR1_PRELIM (CFG_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V) | |
96 | ||
97 | #define CFG_MAMR 0x00802114 | |
98 | ||
66ca92a5 WD |
99 | /* |
100 | * 2048 SDRAM rows | |
101 | * 1000 factor s -> ms | |
102 | * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
103 | * 4 Number of refresh cycles per period | |
104 | * 64 Refresh cycle in ms per number of rows | |
105 | */ | |
106 | #define CFG_PTA_PER_CLK ((2048 * 64 * 1000) / (4 * 64)) | |
107 | ||
2d24a3a7 WD |
108 | #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ |
109 | #define CFG_MEMTEST_END 0x00700000 /* 1 ... 7 MB in SDRAM */ | |
110 | ||
111 | #define CFG_RESET_ADDRESS 0x09900000 | |
112 | ||
113 | /*----------------------------------------------------------------------- | |
114 | * For booting Linux, the board info and command line data | |
115 | * have to be in the first 8 MB of memory, since this is | |
116 | * the maximum mapped by the Linux kernel during initialization. | |
117 | */ | |
118 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
119 | ||
120 | #define CFG_MONITOR_BASE TEXT_BASE | |
121 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 KB for Monitor */ | |
122 | #ifdef CONFIG_BZIP2 | |
123 | #define CFG_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */ | |
124 | #else | |
125 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */ | |
126 | #endif /* CONFIG_BZIP2 */ | |
127 | ||
128 | /*----------------------------------------------------------------------- | |
129 | * Flash organisation | |
130 | */ | |
131 | #define CFG_FLASH_BASE 0xFE000000 | |
132 | #define CFG_FLASH_CFI /* The flash is CFI compatible */ | |
133 | #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ | |
134 | #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */ | |
135 | #define CFG_MAX_FLASH_SECT 128 /* Max num of sects on one chip */ | |
136 | ||
137 | /* Environment is in flash */ | |
138 | #define CFG_ENV_IS_IN_FLASH | |
139 | #define CFG_ENV_SECT_SIZE 0x10000 /* We use one complete sector */ | |
140 | #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) | |
141 | ||
142 | #define CFG_OR0_PRELIM 0xFF000774 | |
143 | #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_16 | BR_MS_GPCM | BR_V) | |
144 | ||
26238132 WD |
145 | #define CFG_DIRECT_FLASH_TFTP |
146 | ||
2d24a3a7 WD |
147 | /*----------------------------------------------------------------------- |
148 | * Internal Memory Map Register | |
149 | */ | |
150 | #define CFG_IMMR 0xFF000000 | |
151 | ||
152 | /*----------------------------------------------------------------------- | |
153 | * Definitions for initial stack pointer and data area (in DPRAM) | |
154 | */ | |
155 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
156 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
157 | #define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for initial data */ | |
158 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
159 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
160 | ||
161 | /*----------------------------------------------------------------------- | |
162 | * Configuration registers | |
163 | */ | |
164 | #ifdef CONFIG_WATCHDOG | |
165 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ | |
166 | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \ | |
167 | SYPCR_SWP) | |
168 | #else | |
169 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ | |
170 | SYPCR_SWF | SYPCR_SWP) | |
171 | #endif /* CONFIG_WATCHDOG */ | |
172 | ||
173 | #define CFG_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11) | |
174 | ||
175 | /* TBSCR - Time Base Status and Control Register */ | |
176 | #define CFG_TBSCR (TBSCR_TBF | TBSCR_TBE) | |
177 | ||
178 | /* PISCR - Periodic Interrupt Status and Control */ | |
179 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
180 | ||
181 | /* PLPRCR - PLL, Low-Power, and Reset Control Register */ | |
182 | /* #define CFG_PLPRCR PLPRCR_TEXPS */ | |
183 | ||
184 | /* SCCR - System Clock and reset Control Register */ | |
185 | #define SCCR_MASK SCCR_EBDF11 | |
186 | #define CFG_SCCR SCCR_RTSEL | |
187 | ||
188 | #define CFG_DER 0 | |
189 | ||
190 | /*----------------------------------------------------------------------- | |
191 | * Cache Configuration | |
192 | */ | |
193 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx chips */ | |
194 | ||
195 | /*----------------------------------------------------------------------- | |
196 | * Internal Definitions | |
197 | * | |
198 | * Boot Flags | |
199 | */ | |
200 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from flash */ | |
201 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
202 | ||
203 | #endif /* __CONFIG_H */ |