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