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1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
7  *
8  * SPDX-License-Identifier:     GPL-2.0+
9  */
10
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13
14 /*
15  * SoC must be defined first, before hardware.h is included.
16  * In this case SoC is defined in boards.cfg.
17  */
18 #include <asm/hardware.h>
19
20 /*
21  * Warning: changing CONFIG_SYS_TEXT_BASE requires
22  * adapting the initial boot program.
23  * Since the linker has to swallow that define, we must use a pure
24  * hex number here!
25  */
26 #define CONFIG_SYS_TEXT_BASE            0x21f00000
27
28 /* ARM asynchronous clock */
29 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
30 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
31
32 /* Define actual evaluation board type from used processor type */
33 #ifdef CONFIG_AT91SAM9G20
34 # define CONFIG_AT91SAM9G20EK   /* It's an Atmel AT91SAM9G20 EK */
35 #else
36 # define CONFIG_AT91SAM9260EK   /* It's an Atmel AT91SAM9260 EK */
37 #endif
38
39 /* Misc CPU related */
40 #define CONFIG_ARCH_CPU_INIT
41 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
42 #define CONFIG_SETUP_MEMORY_TAGS
43 #define CONFIG_INITRD_TAG
44 #define CONFIG_SKIP_LOWLEVEL_INIT
45 #define CONFIG_BOARD_EARLY_INIT_F
46 #define CONFIG_DISPLAY_CPUINFO
47
48 #define CONFIG_CMD_BOOTZ
49 #define CONFIG_OF_LIBFDT
50
51
52 /* general purpose I/O */
53 #define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
54 #define CONFIG_AT91_GPIO
55 #define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
56
57 /* serial console */
58 #define CONFIG_ATMEL_USART
59 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
60 #define CONFIG_USART_ID                 ATMEL_ID_SYS
61 #define CONFIG_BAUDRATE                 115200
62
63 /* LED */
64 #define CONFIG_AT91_LED
65 #define CONFIG_RED_LED          AT91_PIN_PA9    /* this is the power led */
66 #define CONFIG_GREEN_LED        AT91_PIN_PA6    /* this is the user led */
67
68 #define CONFIG_BOOTDELAY        3
69
70 /*
71  * BOOTP options
72  */
73 #define CONFIG_BOOTP_BOOTFILESIZE       1
74 #define CONFIG_BOOTP_BOOTPATH           1
75 #define CONFIG_BOOTP_GATEWAY            1
76 #define CONFIG_BOOTP_HOSTNAME           1
77
78 /*
79  * Command line configuration.
80  */
81 #define CONFIG_CMD_PING         1
82 #define CONFIG_CMD_DHCP         1
83 #define CONFIG_CMD_NAND         1
84 #define CONFIG_CMD_FAT
85 #define CONFIG_CMD_USB          1
86
87 /*
88  * SDRAM: 1 bank, min 32, max 128 MB
89  * Initialized before u-boot gets started.
90  */
91 #define CONFIG_NR_DRAM_BANKS            1
92 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
93 #define CONFIG_SYS_SDRAM_SIZE           0x04000000
94
95 /*
96  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
97  * leaving the correct space for initial global data structure above
98  * that address while providing maximum stack area below.
99  */
100 #ifdef CONFIG_AT91SAM9XE
101 # define CONFIG_SYS_INIT_SP_ADDR \
102         (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
103 #else
104 # define CONFIG_SYS_INIT_SP_ADDR \
105         (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
106 #endif
107
108 /*
109  * The (arm)linux board id set by generic code depending on configured board
110  * (see boards.cfg for different boards)
111  */
112 #ifdef CONFIG_AT91SAM9G20
113         /* the sam9g20 variants have two different board ids */
114 # ifdef CONFIG_AT91SAM9G20EK_2MMC
115         /* we may be setup for the 2MMC variant of at91sam9g20ek */
116 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
117 # else
118         /* or the normal at91sam9g20ek */
119 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
120 # endif
121 #else
122         /* otherwise default to good old at91sam9260ek */
123 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
124 #endif
125
126 #ifndef CONFIG_AT91SAM9G20EK_2MMC
127 /* DataFlash */
128 #define CONFIG_ATMEL_DATAFLASH_SPI
129 #define CONFIG_HAS_DATAFLASH            1
130 #define CONFIG_SYS_MAX_DATAFLASH_BANKS          2
131 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0     0xC0000000      /* CS0 */
132 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1     0xD0000000      /* CS1 */
133 #define AT91_SPI_CLK                    15000000
134 #else
135 /* Enable MMC. The MCCK is conflicted with DataFlash */
136 #define CONFIG_CMD_MMC
137 #endif
138
139 #ifdef CONFIG_AT91SAM9G20EK
140 #define DATAFLASH_TCSS                  (0x22 << 16)
141 #else
142 #define DATAFLASH_TCSS                  (0x1a << 16)
143 #endif
144 #define DATAFLASH_TCHS                  (0x1 << 24)
145
146 /* NAND flash */
147 #ifdef CONFIG_CMD_NAND
148 #define CONFIG_NAND_ATMEL
149 #define CONFIG_SYS_MAX_NAND_DEVICE      1
150 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
151 #define CONFIG_SYS_NAND_DBW_8
152 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
153 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
154 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
155 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
156 #endif
157
158 /* MMC */
159 #ifdef CONFIG_CMD_MMC
160 #define CONFIG_MMC
161 #define CONFIG_GENERIC_MMC
162 #define CONFIG_GENERIC_ATMEL_MCI
163 #endif
164
165 /* FAT */
166 #ifdef CONFIG_CMD_FAT
167 #define CONFIG_DOS_PARTITION
168 #endif
169
170 /* NOR flash - no real flash on this board */
171 #define CONFIG_SYS_NO_FLASH                     1
172
173 /* Ethernet */
174 #define CONFIG_MACB                     1
175 #define CONFIG_RMII                     1
176 #define CONFIG_NET_RETRY_COUNT          20
177 #define CONFIG_RESET_PHY_R              1
178 #define CONFIG_AT91_WANTS_COMMON_PHY
179
180 /* USB */
181 #define CONFIG_USB_ATMEL
182 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
183 #define CONFIG_USB_OHCI_NEW             1
184 #define CONFIG_SYS_USB_OHCI_CPU_INIT            1
185 #define CONFIG_SYS_USB_OHCI_REGS_BASE           0x00500000      /* AT91SAM9260_UHP_BASE */
186 #define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91sam9260"
187 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
188 #define CONFIG_USB_STORAGE              1
189
190 #define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
191
192 #define CONFIG_SYS_MEMTEST_START                CONFIG_SYS_SDRAM_BASE
193 #define CONFIG_SYS_MEMTEST_END                  0x23e00000
194
195 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
196
197 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
198 #define CONFIG_ENV_IS_IN_DATAFLASH      1
199 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
200 #define CONFIG_ENV_OFFSET               0x4200
201 #define CONFIG_ENV_ADDR         (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
202 #define CONFIG_ENV_SIZE         0x4200
203 #define CONFIG_BOOTCOMMAND      "cp.b 0xC0084000 0x22000000 0x210000; bootm"
204 #define CONFIG_BOOTARGS         "console=ttyS0,115200 "                 \
205                                 "root=/dev/mtdblock0 "                  \
206                                 "mtdparts=atmel_nand:-(root) "          \
207                                 "rw rootfstype=jffs2"
208
209 #elif CONFIG_SYS_USE_DATAFLASH_CS1
210
211 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
212 #define CONFIG_ENV_IS_IN_DATAFLASH      1
213 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
214 #define CONFIG_ENV_OFFSET               0x4200
215 #define CONFIG_ENV_ADDR         (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
216 #define CONFIG_ENV_SIZE         0x4200
217 #define CONFIG_BOOTCOMMAND      "cp.b 0xD0084000 0x22000000 0x210000; bootm"
218 #define CONFIG_BOOTARGS         "console=ttyS0,115200 "                 \
219                                 "root=/dev/mtdblock0 "                  \
220                                 "mtdparts=atmel_nand:-(root) "          \
221                                 "rw rootfstype=jffs2"
222
223 #elif defined(CONFIG_SYS_USE_NANDFLASH)
224
225 /* bootstrap + u-boot + env + linux in nandflash */
226 #define CONFIG_ENV_IS_IN_NAND   1
227 #define CONFIG_ENV_OFFSET               0xc0000
228 #define CONFIG_ENV_OFFSET_REDUND        0x100000
229 #define CONFIG_ENV_SIZE         0x20000         /* 1 sector = 128 kB */
230 #define CONFIG_BOOTCOMMAND      "nand read 0x22000000 0x200000 0x300000; bootm"
231 #define CONFIG_BOOTARGS                                                 \
232         "console=ttyS0,115200 earlyprintk "                             \
233         "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
234         "256k(env),256k(env_redundant),256k(spare),"                    \
235         "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
236         "root=/dev/mtdblock7 rw rootfstype=jffs2"
237
238 #else   /* CONFIG_SYS_USE_MMC */
239 /* bootstrap + u-boot + env + linux in mmc */
240 #define CONFIG_ENV_IS_IN_MMC
241 /* For FAT system, most cases it should be in the reserved sector */
242 #define CONFIG_ENV_OFFSET               0x2000
243 #define CONFIG_ENV_SIZE                 0x1000
244 #define CONFIG_SYS_MMC_ENV_DEV          0
245
246 #define CONFIG_BOOTCOMMAND                                              \
247         "fatload mmc 0:1 0x22000000 uImage; bootm"
248 #define CONFIG_BOOTARGS                                                 \
249         "console=ttyS0,115200 earlyprintk "                             \
250         "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
251         "256k(env),256k(env_redundant),256k(spare),"                    \
252         "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
253         "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
254 #endif
255
256 #define CONFIG_SYS_CBSIZE               256
257 #define CONFIG_SYS_MAXARGS              16
258 #define CONFIG_SYS_LONGHELP             1
259 #define CONFIG_CMDLINE_EDITING  1
260 #define CONFIG_AUTO_COMPLETE
261
262 /*
263  * Size of malloc() pool
264  */
265 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
266
267 #endif