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 
46 /* general purpose I/O */
47 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
48 
49 /*
50  * BOOTP options
51  */
52 #define CONFIG_BOOTP_BOOTFILESIZE	1
53 #define CONFIG_BOOTP_BOOTPATH		1
54 #define CONFIG_BOOTP_GATEWAY		1
55 #define CONFIG_BOOTP_HOSTNAME		1
56 
57 /*
58  * Command line configuration.
59  */
60 #define CONFIG_CMD_NAND		1
61 
62 /*
63  * SDRAM: 1 bank, min 32, max 128 MB
64  * Initialized before u-boot gets started.
65  */
66 #define CONFIG_NR_DRAM_BANKS		1
67 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
68 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
69 
70 /*
71  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
72  * leaving the correct space for initial global data structure above
73  * that address while providing maximum stack area below.
74  */
75 #ifdef CONFIG_AT91SAM9XE
76 # define CONFIG_SYS_INIT_SP_ADDR \
77 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
78 #else
79 # define CONFIG_SYS_INIT_SP_ADDR \
80 	(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
81 #endif
82 
83 /*
84  * The (arm)linux board id set by generic code depending on configured board
85  * (see boards.cfg for different boards)
86  */
87 #ifdef CONFIG_AT91SAM9G20
88 	/* the sam9g20 variants have two different board ids */
89 # ifdef CONFIG_AT91SAM9G20EK_2MMC
90 	/* we may be setup for the 2MMC variant of at91sam9g20ek */
91 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
92 # else
93 	/* or the normal at91sam9g20ek */
94 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
95 # endif
96 #else
97 	/* otherwise default to good old at91sam9260ek */
98 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
99 #endif
100 
101 #ifndef CONFIG_AT91SAM9G20EK_2MMC
102 /* DataFlash */
103 #define CONFIG_ATMEL_DATAFLASH_SPI
104 #define CONFIG_HAS_DATAFLASH		1
105 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
106 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
107 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
108 #define AT91_SPI_CLK			15000000
109 #else
110 /* Enable MMC. The MCCK is conflicted with DataFlash */
111 #endif
112 
113 #ifdef CONFIG_AT91SAM9G20EK
114 #define DATAFLASH_TCSS			(0x22 << 16)
115 #else
116 #define DATAFLASH_TCSS			(0x1a << 16)
117 #endif
118 #define DATAFLASH_TCHS			(0x1 << 24)
119 
120 /* NAND flash */
121 #ifdef CONFIG_CMD_NAND
122 #define CONFIG_NAND_ATMEL
123 #define CONFIG_SYS_MAX_NAND_DEVICE	1
124 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
125 #define CONFIG_SYS_NAND_DBW_8
126 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
127 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
128 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
129 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
130 #endif
131 
132 /* USB */
133 #define CONFIG_USB_ATMEL
134 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
135 #define CONFIG_USB_OHCI_NEW		1
136 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
137 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
138 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
139 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
140 
141 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
142 
143 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
144 #define CONFIG_SYS_MEMTEST_END			0x23e00000
145 
146 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
147 
148 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
149 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
150 #define CONFIG_ENV_OFFSET		0x4200
151 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
152 #define CONFIG_ENV_SIZE		0x4200
153 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
154 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
155 				"root=/dev/mtdblock0 "			\
156 				"mtdparts=atmel_nand:-(root) "		\
157 				"rw rootfstype=jffs2"
158 
159 #elif CONFIG_SYS_USE_DATAFLASH_CS1
160 
161 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
162 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
163 #define CONFIG_ENV_OFFSET		0x4200
164 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
165 #define CONFIG_ENV_SIZE		0x4200
166 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
167 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
168 				"root=/dev/mtdblock0 "			\
169 				"mtdparts=atmel_nand:-(root) "		\
170 				"rw rootfstype=jffs2"
171 
172 #elif defined(CONFIG_SYS_USE_NANDFLASH)
173 
174 /* bootstrap + u-boot + env + linux in nandflash */
175 #define CONFIG_ENV_OFFSET		0x120000
176 #define CONFIG_ENV_OFFSET_REDUND	0x100000
177 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
178 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
179 #define CONFIG_BOOTARGS							\
180 	"console=ttyS0,115200 earlyprintk "				\
181 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
182 	"256k(env),256k(env_redundant),256k(spare),"			\
183 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
184 	"root=/dev/mtdblock7 rw rootfstype=jffs2"
185 
186 #else	/* CONFIG_SYS_USE_MMC */
187 /* bootstrap + u-boot + env + linux in mmc */
188 /* For FAT system, most cases it should be in the reserved sector */
189 #define CONFIG_ENV_OFFSET		0x2000
190 #define CONFIG_ENV_SIZE			0x1000
191 #define CONFIG_SYS_MMC_ENV_DEV		0
192 
193 #define CONFIG_BOOTCOMMAND						\
194 	"fatload mmc 0:1 0x22000000 uImage; bootm"
195 #define CONFIG_BOOTARGS							\
196 	"console=ttyS0,115200 earlyprintk "				\
197 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
198 	"256k(env),256k(env_redundant),256k(spare),"			\
199 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
200 	"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
201 #endif
202 
203 #define CONFIG_SYS_CBSIZE		256
204 #define CONFIG_SYS_MAXARGS		16
205 #define CONFIG_SYS_LONGHELP		1
206 #define CONFIG_CMDLINE_EDITING	1
207 #define CONFIG_AUTO_COMPLETE
208 
209 /*
210  * Size of malloc() pool
211  */
212 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
213 
214 #endif
215