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 #define CONFIG_SYS_GENERIC_BOARD
52 
53 /* general purpose I/O */
54 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
55 #define CONFIG_AT91_GPIO
56 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
57 
58 /* serial console */
59 #define CONFIG_ATMEL_USART
60 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
61 #define	CONFIG_USART_ID			ATMEL_ID_SYS
62 #define CONFIG_BAUDRATE			115200
63 
64 /* LED */
65 #define CONFIG_AT91_LED
66 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
67 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
68 
69 #define CONFIG_BOOTDELAY	3
70 
71 /*
72  * BOOTP options
73  */
74 #define CONFIG_BOOTP_BOOTFILESIZE	1
75 #define CONFIG_BOOTP_BOOTPATH		1
76 #define CONFIG_BOOTP_GATEWAY		1
77 #define CONFIG_BOOTP_HOSTNAME		1
78 
79 /*
80  * Command line configuration.
81  */
82 #define CONFIG_CMD_PING		1
83 #define CONFIG_CMD_DHCP		1
84 #define CONFIG_CMD_NAND		1
85 #define CONFIG_CMD_FAT
86 #define CONFIG_CMD_USB		1
87 
88 /*
89  * SDRAM: 1 bank, min 32, max 128 MB
90  * Initialized before u-boot gets started.
91  */
92 #define CONFIG_NR_DRAM_BANKS		1
93 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
94 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
95 
96 /*
97  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
98  * leaving the correct space for initial global data structure above
99  * that address while providing maximum stack area below.
100  */
101 #ifdef CONFIG_AT91SAM9XE
102 # define CONFIG_SYS_INIT_SP_ADDR \
103 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
104 #else
105 # define CONFIG_SYS_INIT_SP_ADDR \
106 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
107 #endif
108 
109 /*
110  * The (arm)linux board id set by generic code depending on configured board
111  * (see boards.cfg for different boards)
112  */
113 #ifdef CONFIG_AT91SAM9G20
114 	/* the sam9g20 variants have two different board ids */
115 # ifdef CONFIG_AT91SAM9G20EK_2MMC
116 	/* we may be setup for the 2MMC variant of at91sam9g20ek */
117 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
118 # else
119 	/* or the normal at91sam9g20ek */
120 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
121 # endif
122 #else
123 	/* otherwise default to good old at91sam9260ek */
124 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
125 #endif
126 
127 #ifndef CONFIG_AT91SAM9G20EK_2MMC
128 /* DataFlash */
129 #define CONFIG_ATMEL_DATAFLASH_SPI
130 #define CONFIG_HAS_DATAFLASH		1
131 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
132 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
133 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
134 #define AT91_SPI_CLK			15000000
135 #else
136 /* Enable MMC. The MCCK is conflicted with DataFlash */
137 #define CONFIG_CMD_MMC
138 #endif
139 
140 #ifdef CONFIG_AT91SAM9G20EK
141 #define DATAFLASH_TCSS			(0x22 << 16)
142 #else
143 #define DATAFLASH_TCSS			(0x1a << 16)
144 #endif
145 #define DATAFLASH_TCHS			(0x1 << 24)
146 
147 /* NAND flash */
148 #ifdef CONFIG_CMD_NAND
149 #define CONFIG_NAND_ATMEL
150 #define CONFIG_SYS_MAX_NAND_DEVICE	1
151 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
152 #define CONFIG_SYS_NAND_DBW_8
153 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
154 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
155 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
156 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
157 #endif
158 
159 /* MMC */
160 #ifdef CONFIG_CMD_MMC
161 #define CONFIG_MMC
162 #define CONFIG_GENERIC_MMC
163 #define CONFIG_GENERIC_ATMEL_MCI
164 #endif
165 
166 /* FAT */
167 #ifdef CONFIG_CMD_FAT
168 #define CONFIG_DOS_PARTITION
169 #endif
170 
171 /* NOR flash - no real flash on this board */
172 #define CONFIG_SYS_NO_FLASH			1
173 
174 /* Ethernet */
175 #define CONFIG_MACB			1
176 #define CONFIG_RMII			1
177 #define CONFIG_NET_RETRY_COUNT		20
178 #define CONFIG_RESET_PHY_R		1
179 #define CONFIG_AT91_WANTS_COMMON_PHY
180 
181 /* USB */
182 #define CONFIG_USB_ATMEL
183 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
184 #define CONFIG_USB_OHCI_NEW		1
185 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
186 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
187 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
188 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
189 #define CONFIG_USB_STORAGE		1
190 
191 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
192 
193 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
194 #define CONFIG_SYS_MEMTEST_END			0x23e00000
195 
196 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
197 
198 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
199 #define CONFIG_ENV_IS_IN_DATAFLASH	1
200 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
201 #define CONFIG_ENV_OFFSET		0x4200
202 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
203 #define CONFIG_ENV_SIZE		0x4200
204 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
205 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
206 				"root=/dev/mtdblock0 "			\
207 				"mtdparts=atmel_nand:-(root) "		\
208 				"rw rootfstype=jffs2"
209 
210 #elif CONFIG_SYS_USE_DATAFLASH_CS1
211 
212 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
213 #define CONFIG_ENV_IS_IN_DATAFLASH	1
214 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
215 #define CONFIG_ENV_OFFSET		0x4200
216 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
217 #define CONFIG_ENV_SIZE		0x4200
218 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
219 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
220 				"root=/dev/mtdblock0 "			\
221 				"mtdparts=atmel_nand:-(root) "		\
222 				"rw rootfstype=jffs2"
223 
224 #elif defined(CONFIG_SYS_USE_NANDFLASH)
225 
226 /* bootstrap + u-boot + env + linux in nandflash */
227 #define CONFIG_ENV_IS_IN_NAND	1
228 #define CONFIG_ENV_OFFSET		0xc0000
229 #define CONFIG_ENV_OFFSET_REDUND	0x100000
230 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
231 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
232 #define CONFIG_BOOTARGS							\
233 	"console=ttyS0,115200 earlyprintk "				\
234 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
235 	"256k(env),256k(env_redundant),256k(spare),"			\
236 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
237 	"root=/dev/mtdblock7 rw rootfstype=jffs2"
238 
239 #else	/* CONFIG_SYS_USE_MMC */
240 /* bootstrap + u-boot + env + linux in mmc */
241 #define CONFIG_ENV_IS_IN_MMC
242 /* For FAT system, most cases it should be in the reserved sector */
243 #define CONFIG_ENV_OFFSET		0x2000
244 #define CONFIG_ENV_SIZE			0x1000
245 #define CONFIG_SYS_MMC_ENV_DEV		0
246 
247 #define CONFIG_BOOTCOMMAND						\
248 	"fatload mmc 0:1 0x22000000 uImage; bootm"
249 #define CONFIG_BOOTARGS							\
250 	"console=ttyS0,115200 earlyprintk "				\
251 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
252 	"256k(env),256k(env_redundant),256k(spare),"			\
253 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
254 	"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
255 #endif
256 
257 #define CONFIG_SYS_CBSIZE		256
258 #define CONFIG_SYS_MAXARGS		16
259 #define CONFIG_SYS_LONGHELP		1
260 #define CONFIG_CMDLINE_EDITING	1
261 #define CONFIG_AUTO_COMPLETE
262 
263 /*
264  * Size of malloc() pool
265  */
266 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
267 
268 #endif
269