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b5dc9b30 GL |
1 | /* |
2 | * Copyright (C) 2008, Guennadi Liakhovetski <[email protected]> | |
3 | * | |
4 | * Configuration settings for the MX31ADS Freescale board. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation; either version 2 of | |
9 | * the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
19 | * MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #ifndef __CONFIG_H | |
23 | #define __CONFIG_H | |
24 | ||
25 | #include <asm/arch/mx31-regs.h> | |
26 | ||
27 | /* High Level Configuration Options */ | |
28 | #define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */ | |
29 | #define CONFIG_MX31 1 /* in a mx31 */ | |
30 | #define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */ | |
2ab02fd4 | 31 | #define CONFIG_MX31_CLK32 32768 |
b5dc9b30 GL |
32 | |
33 | #define CONFIG_DISPLAY_CPUINFO | |
34 | #define CONFIG_DISPLAY_BOARDINFO | |
35 | ||
36 | /* | |
37 | * Disabled for now due to build problems under Debian and a significant increase | |
38 | * in the final file size: 144260 vs. 109536 Bytes. | |
39 | */ | |
40 | #if 0 | |
41 | #define CONFIG_OF_LIBFDT 1 | |
42 | #define CONFIG_FIT 1 | |
43 | #define CONFIG_FIT_VERBOSE 1 | |
44 | #endif | |
45 | ||
46 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
47 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
48 | #define CONFIG_INITRD_TAG 1 | |
49 | ||
50 | /* | |
51 | * Size of malloc() pool | |
52 | */ | |
53 | #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024) | |
0a0b606f | 54 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
b5dc9b30 GL |
55 | |
56 | /* | |
57 | * Hardware drivers | |
58 | */ | |
59 | ||
60 | #define CONFIG_MX31_UART 1 | |
61 | #define CFG_MX31_UART1 1 | |
62 | ||
0a0b606f GL |
63 | #define CONFIG_HARD_SPI 1 |
64 | #define CONFIG_MXC_SPI 1 | |
d255bb0e HS |
65 | #define CONFIG_DEFAULT_SPI_BUS 1 |
66 | #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH) | |
0a0b606f GL |
67 | |
68 | #define CONFIG_RTC_MC13783 1 | |
69 | ||
b5dc9b30 GL |
70 | /* allow to overwrite serial and ethaddr */ |
71 | #define CONFIG_ENV_OVERWRITE | |
72 | #define CONFIG_CONS_INDEX 1 | |
73 | #define CONFIG_BAUDRATE 115200 | |
74 | #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} | |
75 | ||
76 | /*********************************************************** | |
77 | * Command definition | |
78 | ***********************************************************/ | |
79 | ||
80 | #include <config_cmd_default.h> | |
81 | ||
b5dc9b30 | 82 | #define CONFIG_CMD_PING |
7602ed50 | 83 | #define CONFIG_CMD_DHCP |
0a0b606f GL |
84 | #define CONFIG_CMD_SPI |
85 | #define CONFIG_CMD_DATE | |
b5dc9b30 GL |
86 | |
87 | #define CONFIG_BOOTDELAY 3 | |
88 | ||
7602ed50 | 89 | #define CONFIG_LOADADDR 0x80800000 /* loadaddr env var */ |
0a0b606f GL |
90 | |
91 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
92 | "netdev=eth0\0" \ | |
93 | "uboot_addr=0xa0000000\0" \ | |
94 | "uboot=mx31ads/u-boot.bin\0" \ | |
95 | "kernel=mx31ads/uImage\0" \ | |
96 | "nfsroot=/opt/eldk/arm\0" \ | |
97 | "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ | |
98 | "bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs " \ | |
99 | "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ | |
100 | "bootcmd=run bootcmd_net\0" \ | |
101 | "bootcmd_net=run bootargs_base bootargs_nfs; " \ | |
102 | "tftpboot ${loadaddr} ${kernel}; bootm\0" \ | |
103 | "prg_uboot=tftpboot ${loadaddr} ${uboot}; " \ | |
104 | "protect off ${uboot_addr} 0xa003ffff; " \ | |
105 | "erase ${uboot_addr} 0xa003ffff; " \ | |
106 | "cp.b ${loadaddr} ${uboot_addr} ${filesize}; " \ | |
107 | "setenv filesize; saveenv\0" | |
b5dc9b30 GL |
108 | |
109 | #define CONFIG_DRIVER_CS8900 1 | |
110 | #define CS8900_BASE 0xb4020300 | |
d23ff682 GL |
111 | #define CS8900_BUS16 1 /* follow the Linux driver */ |
112 | ||
113 | /* | |
114 | * The MX31ADS board seems to have a hardware "peculiarity" confirmed under | |
115 | * U-Boot, RedBoot and Linux: the ethernet Rx signal is reaching the CS8900A | |
116 | * controller inverted. The controller is capable of detecting and correcting | |
117 | * this, but it needs 4 network packets for that. Which means, at startup, you | |
118 | * will not receive answers to the first 4 packest, unless there have been some | |
119 | * broadcasts on the network, or your board is on a hub. Reducing the ARP | |
120 | * timeout from default 5 seconds to 200ms we speed up the initial TFTP | |
121 | * transfer, should the user wish one, significantly. | |
122 | */ | |
123 | #define CONFIG_ARP_TIMEOUT 200UL | |
b5dc9b30 GL |
124 | |
125 | /* | |
126 | * Miscellaneous configurable options | |
127 | */ | |
128 | #define CFG_LONGHELP /* undef to save memory */ | |
129 | #define CFG_PROMPT "=> " | |
130 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
131 | /* Print Buffer Size */ | |
d23ff682 | 132 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
b5dc9b30 GL |
133 | #define CFG_MAXARGS 16 /* max number of command args */ |
134 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
135 | ||
136 | #define CFG_MEMTEST_START 0 /* memtest works on */ | |
137 | #define CFG_MEMTEST_END 0x10000 | |
138 | ||
139 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ | |
140 | ||
0a0b606f | 141 | #define CFG_LOAD_ADDR CONFIG_LOADADDR |
b5dc9b30 | 142 | |
2ab02fd4 | 143 | #define CFG_HZ CONFIG_MX31_CLK32 /* use 32kHz clock as source */ |
b5dc9b30 GL |
144 | |
145 | #define CONFIG_CMDLINE_EDITING 1 | |
146 | ||
147 | /*----------------------------------------------------------------------- | |
148 | * Stack sizes | |
149 | * | |
150 | * The stack sizes are set up in start.S using the settings below | |
151 | */ | |
152 | #define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ | |
153 | ||
154 | /*----------------------------------------------------------------------- | |
155 | * Physical Memory Map | |
156 | */ | |
157 | #define CONFIG_NR_DRAM_BANKS 1 | |
158 | #define PHYS_SDRAM_1 CSD0_BASE | |
159 | #define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024) | |
160 | ||
161 | /*----------------------------------------------------------------------- | |
162 | * FLASH and environment organization | |
163 | */ | |
164 | #define CFG_FLASH_BASE CS0_BASE | |
165 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
166 | #define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */ | |
167 | #define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */ | |
d23ff682 | 168 | #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */ |
b5dc9b30 GL |
169 | |
170 | #define CFG_ENV_IS_IN_FLASH 1 | |
171 | #define CFG_ENV_SECT_SIZE (32 * 1024) | |
172 | #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE | |
d23ff682 GL |
173 | |
174 | /* Address and size of Redundant Environment Sector */ | |
175 | #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE) | |
176 | #define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE | |
177 | ||
b5dc9b30 GL |
178 | /* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end. |
179 | * The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors, | |
180 | * if we put environment next to it, we will have to occupy 128KiB for it. | |
181 | * Putting it at the top of flash we use only 32KiB. */ | |
d23ff682 | 182 | #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_ENV_SECT_SIZE) |
b5dc9b30 GL |
183 | |
184 | /*----------------------------------------------------------------------- | |
185 | * CFI FLASH driver setup | |
186 | */ | |
187 | #define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */ | |
00b1883a | 188 | #define CONFIG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ |
d23ff682 | 189 | #define CONFIG_FLASH_SPANSION_S29WS_N 1 /* A non-standard buffered write algorithm */ |
b5dc9b30 | 190 | #define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ |
b5dc9b30 GL |
191 | #define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */ |
192 | ||
193 | /* | |
194 | * JFFS2 partitions | |
195 | */ | |
196 | #undef CONFIG_JFFS2_CMDLINE | |
197 | #define CONFIG_JFFS2_DEV "nor0" | |
198 | ||
199 | #endif /* __CONFIG_H */ |