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645da510 WD |
1 | /* |
2 | * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> | |
3 | * Anders Larsen <alarsen@rea.de> | |
4 | * | |
5 | * Configuation settings for the Cogent CSB637 board. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #ifndef __CONFIG_H | |
27 | #define __CONFIG_H | |
28 | ||
29 | /* ARM asynchronous clock */ | |
30 | #define AT91C_MAIN_CLOCK 184320000 /* from 3.6864 MHz crystal (3686400 * 50) */ | |
31 | #define AT91C_MASTER_CLOCK 46080000 /* (AT91C_MAIN_CLOCK/4) peripheral clock */ | |
32 | ||
33 | #define AT91_SLOW_CLOCK 32768 /* slow clock */ | |
34 | ||
35 | #define CONFIG_ARM920T 1 /* This is an ARM920T Core */ | |
36 | #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ | |
f5c254d7 | 37 | #define CONFIG_CSB637 1 /* on a CSB637 board */ |
645da510 WD |
38 | #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ |
39 | #define USE_920T_MMU 1 | |
40 | ||
41 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
42 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
43 | #define CONFIG_INITRD_TAG 1 | |
44 | ||
45 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | |
6d0f6bcf | 46 | #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1 |
645da510 WD |
47 | /* flash */ |
48 | #define MC_PUIA_VAL 0x00000000 | |
49 | #define MC_PUP_VAL 0x00000000 | |
50 | #define MC_PUER_VAL 0x00000000 | |
51 | #define MC_ASR_VAL 0x00000000 | |
52 | #define MC_AASR_VAL 0x00000000 | |
53 | #define EBI_CFGR_VAL 0x00000000 | |
480ed1de | 54 | #define SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ |
645da510 WD |
55 | |
56 | /* clocks */ | |
57 | #define PLLAR_VAL 0x2031BE01 /* 184.320000 MHz for PCK */ | |
58 | #define PLLBR_VAL 0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */ | |
59 | #define MCKR_VAL 0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz from PLLA */ | |
60 | ||
61 | /* sdram */ | |
62 | #define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ | |
63 | #define PIOC_BSR_VAL 0x00000000 | |
64 | #define PIOC_PDR_VAL 0xFFFF0000 | |
65 | #define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */ | |
66 | #define SDRC_CR_VAL 0x21914159 /* set up the SDRAM */ | |
67 | #define SDRAM 0x20000000 /* address of the SDRAM */ | |
68 | #define SDRAM1 0x20000080 /* address of the SDRAM */ | |
69 | #define SDRAM_VAL 0x00000000 /* value written to SDRAM */ | |
70 | #define SDRC_MR_VAL 0x00000002 /* Precharge All */ | |
71 | #define SDRC_MR_VAL1 0x00000004 /* refresh */ | |
72 | #define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ | |
73 | #define SDRC_MR_VAL3 0x00000000 /* Normal Mode */ | |
74 | #define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ | |
75 | #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ | |
76 | /* | |
77 | * Size of malloc() pool | |
78 | */ | |
6d0f6bcf JCPV |
79 | #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) |
80 | #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ | |
645da510 | 81 | |
f5c254d7 | 82 | #define CONFIG_BAUDRATE 115200 |
645da510 | 83 | |
6d0f6bcf | 84 | #define CONFIG_SYS_AT91C_BRGR_DIVISOR 75 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ |
645da510 WD |
85 | |
86 | /* | |
87 | * Hardware drivers | |
88 | */ | |
89 | ||
90 | /* define one of these to choose the DBGU, USART0 or USART1 as console */ | |
91 | #define CONFIG_DBGU | |
92 | #undef CONFIG_USART0 | |
93 | #undef CONFIG_USART1 | |
94 | ||
95 | #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ | |
96 | ||
97 | #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ | |
98 | ||
99 | #define CONFIG_BOOTDELAY 3 | |
100 | /* #define CONFIG_ENV_OVERWRITE 1 */ | |
101 | ||
37e4f24b | 102 | |
80ff4f99 JL |
103 | /* |
104 | * BOOTP options | |
105 | */ | |
106 | #define CONFIG_BOOTP_BOOTFILESIZE | |
107 | #define CONFIG_BOOTP_BOOTPATH | |
108 | #define CONFIG_BOOTP_GATEWAY | |
109 | #define CONFIG_BOOTP_HOSTNAME | |
110 | ||
111 | ||
37e4f24b JL |
112 | /* |
113 | * Command line configuration. | |
114 | */ | |
115 | #include <config_cmd_default.h> | |
116 | ||
37e4f24b | 117 | #define CONFIG_CMD_DHCP |
3c95960e | 118 | #define CONFIG_CMD_JFFS2 |
37e4f24b JL |
119 | #define CONFIG_CMD_PING |
120 | ||
3c95960e | 121 | #ifdef NAND_SUPPORT_HAS_BEEN_FIXED /* NAND support is broken / unimplemented */ |
645da510 | 122 | |
6d0f6bcf | 123 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ |
645da510 WD |
124 | #define SECTORSIZE 512 |
125 | ||
126 | #define ADDR_COLUMN 1 | |
127 | #define ADDR_PAGE 2 | |
128 | #define ADDR_COLUMN_PAGE 3 | |
129 | ||
130 | #define NAND_ChipID_UNKNOWN 0x00 | |
131 | #define NAND_MAX_FLOORS 1 | |
132 | #define NAND_MAX_CHIPS 1 | |
133 | ||
134 | #define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */ | |
135 | #define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */ | |
136 | ||
3c95960e | 137 | #include <asm/arch/AT91RM9200.h> /* needed for port definitions */ |
645da510 WD |
138 | #define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0) |
139 | #define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0) | |
140 | ||
141 | #define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2)) | |
142 | ||
143 | #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0) | |
144 | #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0) | |
145 | #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0) | |
146 | #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr)) | |
147 | /* the following are NOP's in our implementation */ | |
148 | #define NAND_CTL_CLRALE(nandptr) | |
149 | #define NAND_CTL_SETALE(nandptr) | |
150 | #define NAND_CTL_CLRCLE(nandptr) | |
151 | #define NAND_CTL_SETCLE(nandptr) | |
152 | ||
3c95960e WD |
153 | #endif /* NAND_SUPPORT_HAS_BEEN_FIXED */ |
154 | ||
645da510 WD |
155 | #define CONFIG_NR_DRAM_BANKS 1 |
156 | #define PHYS_SDRAM 0x20000000 | |
157 | #define PHYS_SDRAM_SIZE 0x4000000 /* 64 megs */ | |
158 | ||
6d0f6bcf JCPV |
159 | #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM |
160 | #define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 512*1024 - 4 | |
161 | #define CONFIG_SYS_ALT_MEMTEST 1 | |
162 | #define CONFIG_SYS_MEMTEST_SCRATCH CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 4 | |
645da510 WD |
163 | |
164 | #define CONFIG_DRIVER_ETHER | |
165 | #define CONFIG_NET_RETRY_COUNT 20 | |
166 | #undef CONFIG_AT91C_USE_RMII | |
167 | ||
168 | #undef CONFIG_HAS_DATAFLASH | |
6d0f6bcf JCPV |
169 | #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) |
170 | #define CONFIG_SYS_MAX_DATAFLASH_BANKS 0 | |
171 | #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 | |
172 | #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ | |
173 | #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */ | |
645da510 WD |
174 | |
175 | /* | |
176 | * FLASH Device configuration | |
177 | */ | |
178 | #define PHYS_FLASH_1 0x10000000 | |
179 | #define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */ | |
6d0f6bcf JCPV |
180 | #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 |
181 | #define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */ | |
00b1883a | 182 | #define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ |
6d0f6bcf JCPV |
183 | #define CONFIG_SYS_FLASH_EMPTY_INFO |
184 | #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ | |
185 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */ | |
186 | #define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */ | |
187 | #define CONFIG_SYS_FLASH_PROTECTION 1 /* hardware flash protection */ | |
188 | #define CONFIG_SYS_MAX_FLASH_SECT 64 | |
645da510 | 189 | |
6d0f6bcf JCPV |
190 | #define CONFIG_SYS_JFFS2_FIRST_BANK 0 |
191 | #define CONFIG_SYS_JFFS2_FIRST_SECTOR 3 | |
192 | #define CONFIG_SYS_JFFS2_NUM_BANKS 1 | |
645da510 | 193 | |
057c849c | 194 | #undef CONFIG_ENV_IS_IN_DATAFLASH |
645da510 | 195 | |
057c849c | 196 | #ifdef CONFIG_ENV_IS_IN_DATAFLASH |
0e8d1586 | 197 | #define CONFIG_ENV_OFFSET 0x20000 |
6d0f6bcf | 198 | #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) |
0e8d1586 | 199 | #define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */ |
645da510 | 200 | #else |
5a1aceb0 | 201 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
202 | #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* after u-boot.bin */ |
203 | #define CONFIG_ENV_SIZE 0x20000 /* sectors are 128K here */ | |
057c849c | 204 | #endif /* CONFIG_ENV_IS_IN_DATAFLASH */ |
645da510 WD |
205 | |
206 | ||
6d0f6bcf | 207 | #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ |
645da510 | 208 | |
6d0f6bcf | 209 | #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 57600, 38400, 19200, 9600 } |
645da510 | 210 | |
6d0f6bcf JCPV |
211 | #define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */ |
212 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ | |
213 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
214 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ | |
645da510 | 215 | |
6d0f6bcf JCPV |
216 | #define CONFIG_SYS_HZ 1000 |
217 | #define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ | |
2c5260f7 | 218 | /* AT91C_TC_TIMER_DIV1_CLOCK */ |
645da510 WD |
219 | |
220 | #define CONFIG_STACKSIZE (32*1024) /* regular stack */ | |
221 | ||
222 | #ifdef CONFIG_USE_IRQ | |
223 | #error CONFIG_USE_IRQ not supported | |
224 | #endif | |
225 | ||
226 | #endif |