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2399ef73 MH |
1 | /* |
2 | * (C) Copyright 2007-2008 | |
3 | * Stelian Pop <stelian@popies.net> | |
4 | * Lead Tech Design <www.leadtechdesign.com> | |
5 | * | |
6 | * (C) Copyright 2010 | |
7 | * Achim Ehrlich <aehrlich@taskit.de> | |
8 | * taskit GmbH <www.taskit.de> | |
9 | * | |
10 | * (C) Copyright 2012 | |
11 | * Markus Hubig <mhubig@imko.de> | |
12 | * IMKO GmbH <www.imko.de> | |
13 | * | |
14 | * Configuation settings for the stamp9g20 CPU module. | |
15 | * | |
1a459660 | 16 | * SPDX-License-Identifier: GPL-2.0+ |
2399ef73 MH |
17 | */ |
18 | ||
19 | #ifndef __CONFIG_H | |
20 | #define __CONFIG_H | |
21 | ||
22 | /* | |
23 | * SoC must be defined first, before hardware.h is included. | |
24 | * In this case SoC is defined in boards.cfg. | |
25 | */ | |
26 | #include <asm/hardware.h> | |
27 | ||
28 | /* | |
29 | * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot | |
30 | * program. Since the linker has to swallow that define, we must use a pure | |
31 | * hex number here! | |
32 | */ | |
33 | #define CONFIG_SYS_TEXT_BASE 0x23f00000 | |
34 | ||
35 | /* ARM asynchronous clock */ | |
36 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ | |
37 | #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */ | |
38 | #define CONFIG_SYS_HZ 1000 /* 1ms resolution */ | |
39 | ||
40 | /* misc settings */ | |
41 | #define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */ | |
42 | #define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */ | |
43 | #define CONFIG_INITRD_TAG /* pass initrd param to kernel */ | |
44 | #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */ | |
45 | #define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */ | |
7d899c14 | 46 | #define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */ |
2399ef73 MH |
47 | #define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */ |
48 | ||
49 | /* setting board specific options */ | |
50 | #ifdef CONFIG_PORTUXG20 | |
51 | # define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20 | |
52 | # define CONFIG_MACB | |
53 | #else | |
54 | # define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20 | |
55 | #endif | |
56 | ||
57 | /* | |
58 | * SDRAM: 1 bank, 64 MB, base address 0x20000000 | |
59 | * Already initialized before u-boot gets started. | |
60 | */ | |
61 | #define CONFIG_NR_DRAM_BANKS 1 | |
62 | #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 | |
63 | #define CONFIG_SYS_SDRAM_SIZE (64 << 20) | |
64 | ||
65 | /* | |
66 | * Perform a SDRAM Memtest from the start of SDRAM | |
67 | * till the beginning of the U-Boot position in RAM. | |
68 | */ | |
69 | #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE | |
70 | #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000) | |
71 | ||
72 | /* Size of malloc() pool */ | |
73 | #define CONFIG_SYS_MALLOC_LEN \ | |
74 | ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000) | |
75 | ||
76 | /* | |
77 | * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, | |
78 | * leaving the correct space for initial global data structure above that | |
79 | * address while providing maximum stack area below. | |
80 | */ | |
81 | #define CONFIG_SYS_INIT_SP_ADDR \ | |
82 | (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) | |
83 | ||
84 | /* NAND flash settings */ | |
85 | #define CONFIG_NAND_ATMEL | |
86 | #define CONFIG_SYS_NO_FLASH | |
87 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 | |
88 | #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 | |
89 | #define CONFIG_SYS_NAND_DBW_8 | |
90 | #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) | |
91 | #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) | |
92 | #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 | |
93 | #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 | |
94 | ||
95 | /* general purpose I/O */ | |
96 | #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ | |
97 | #define CONFIG_AT91_GPIO /* enable the GPIO features */ | |
98 | #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ | |
99 | ||
100 | /* serial console */ | |
101 | #define CONFIG_ATMEL_USART | |
102 | #define CONFIG_USART_BASE ATMEL_BASE_DBGU | |
103 | #define CONFIG_USART_ID ATMEL_ID_SYS | |
104 | #define CONFIG_BAUDRATE 115200 | |
105 | ||
106 | /* LED configuration */ | |
107 | #define CONFIG_STATUS_LED | |
108 | #define CONFIG_BOARD_SPECIFIC_LED | |
109 | ||
110 | /* The LED PINs */ | |
111 | #define CONFIG_RED_LED AT91_PIN_PC5 | |
112 | #define CONFIG_GREEN_LED AT91_PIN_PC4 | |
113 | #define CONFIG_YELLOW_LED AT91_PIN_PC10 | |
114 | ||
115 | #define STATUS_LED_RED 0 | |
116 | #define STATUS_LED_GREEN 1 | |
117 | #define STATUS_LED_YELLOW 2 | |
118 | ||
119 | /* Red LED */ | |
120 | #define STATUS_LED_BIT STATUS_LED_RED | |
121 | #define STATUS_LED_STATE STATUS_LED_OFF | |
122 | #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) | |
123 | ||
124 | /* Green LED */ | |
125 | #define STATUS_LED_BIT1 STATUS_LED_GREEN | |
126 | #define STATUS_LED_STATE1 STATUS_LED_ON | |
127 | #define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2) | |
128 | ||
129 | /* Yellow LED */ | |
130 | #define STATUS_LED_BIT2 STATUS_LED_YELLOW | |
131 | #define STATUS_LED_STATE2 STATUS_LED_OFF | |
132 | #define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2) | |
133 | ||
134 | /* Boot status LED */ | |
135 | #define STATUS_LED_BOOT STATUS_LED_GREEN | |
136 | ||
137 | /* | |
138 | * Ethernet configuration | |
139 | * | |
140 | * PortuxG20 has always ethernet but for Stamp9G20 you | |
141 | * can enable it here if your baseboard features ethernet. | |
142 | */ | |
143 | ||
144 | /* #define CONFIG_MACB */ | |
145 | ||
146 | #ifdef CONFIG_MACB | |
147 | # define CONFIG_RMII /* use reduced MII inteface */ | |
148 | # define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */ | |
149 | ||
150 | /* BOOTP and DHCP options */ | |
151 | # define CONFIG_BOOTP_BOOTFILESIZE | |
152 | # define CONFIG_BOOTP_BOOTPATH | |
153 | # define CONFIG_BOOTP_GATEWAY | |
154 | # define CONFIG_BOOTP_HOSTNAME | |
155 | # define CONFIG_NFSBOOTCOMMAND \ | |
156 | "setenv autoload yes; setenv autoboot yes; " \ | |
157 | "setenv bootargs ${basicargs} ${mtdparts} " \ | |
158 | "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \ | |
159 | "dhcp" | |
160 | #endif /* CONFIG_MACB */ | |
161 | ||
162 | /* Enable the watchdog */ | |
163 | #define CONFIG_AT91SAM9_WATCHDOG | |
164 | #define CONFIG_HW_WATCHDOG | |
165 | ||
166 | /* USB configuration */ | |
167 | #define CONFIG_USB_ATMEL | |
168 | #define CONFIG_USB_OHCI_NEW | |
169 | #define CONFIG_USB_STORAGE | |
170 | #define CONFIG_DOS_PARTITION | |
171 | #define CONFIG_SYS_USB_OHCI_CPU_INIT | |
172 | #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE | |
173 | #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" | |
174 | #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 | |
175 | ||
176 | /* General Boot Parameter */ | |
177 | #define CONFIG_BOOTDELAY 3 | |
178 | #define CONFIG_BOOTCOMMAND "run flashboot" | |
179 | #define CONFIG_SYS_PROMPT "U-Boot> " | |
180 | #define CONFIG_SYS_CBSIZE 256 | |
181 | #define CONFIG_SYS_MAXARGS 16 | |
182 | #define CONFIG_SYS_PBSIZE \ | |
183 | (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) | |
184 | #define CONFIG_SYS_LONGHELP | |
185 | #define CONFIG_CMDLINE_EDITING | |
186 | ||
187 | /* | |
188 | * RAM Memory address where to put the | |
189 | * Linux Kernel befor starting. | |
190 | */ | |
191 | #define CONFIG_SYS_LOAD_ADDR 0x22000000 | |
192 | ||
193 | /* | |
194 | * The NAND Flash partitions: | |
195 | * ========================================== | |
196 | * 0x0000000-0x001ffff -> 128k, bootstrap | |
197 | * 0x0020000-0x005ffff -> 256k, u-boot | |
198 | * 0x0060000-0x007ffff -> 128k, env1 | |
199 | * 0x0080000-0x009ffff -> 128k, env2 (backup) | |
200 | * 0x0100000-0x06fffff -> 6M, kernel | |
201 | * 0x0700000-0x8000000 -> 121M, RootFS | |
202 | */ | |
203 | #define CONFIG_ENV_IS_IN_NAND | |
204 | #define CONFIG_ENV_OFFSET ((128 + 256) << 10) | |
205 | #define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10) | |
206 | #define CONFIG_ENV_SIZE (128 << 10) | |
207 | ||
208 | /* | |
209 | * Predefined environment variables. | |
210 | * Usefull to define some easy to use boot commands. | |
211 | */ | |
212 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
213 | \ | |
214 | "basicargs=console=ttyS0,115200\0" \ | |
215 | \ | |
216 | "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \ | |
217 | "256k(uboot)ro,128k(env1)ro," \ | |
218 | "128k(env2)ro,6M(linux),-(root)rw\0" \ | |
219 | \ | |
220 | "flashboot=setenv bootargs ${basicargs} ${mtdparts} " \ | |
221 | "root=/dev/mtdblock5 rootfstype=jffs2; " \ | |
222 | "nand read 0x22000000 0x100000 0x600000; " \ | |
223 | "bootm 22000000\0" \ | |
224 | \ | |
225 | "sdboot=setenv bootargs ${basicargs} ${mtdparts} " \ | |
226 | "root=/dev/mmcblk0p1 rootwait; " \ | |
227 | "nand read 0x22000000 0x100000 0x600000; " \ | |
228 | "bootm 22000000" | |
229 | ||
230 | /* Command line & features configuration */ | |
231 | #include <config_cmd_default.h> | |
232 | #undef CONFIG_CMD_FPGA | |
233 | #undef CONFIG_CMD_IMI | |
234 | #undef CONFIG_CMD_IMLS | |
235 | #undef CONFIG_CMD_LOADS | |
236 | ||
237 | #define CONFIG_CMD_NAND | |
238 | #define CONFIG_CMD_USB | |
239 | #define CONFIG_CMD_FAT | |
240 | #define CONFIG_CMD_LED | |
241 | ||
242 | #ifdef CONFIG_MACB | |
243 | # define CONFIG_CMD_PING | |
244 | # define CONFIG_CMD_DHCP | |
245 | #else | |
246 | # undef CONFIG_CMD_BOOTD | |
247 | # undef CONFIG_CMD_NET | |
248 | # undef CONFIG_CMD_NFS | |
249 | #endif /* CONFIG_MACB */ | |
250 | ||
251 | #endif /* __CONFIG_H */ |