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 AT91SAM9RLEK board.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13 
14 #include <asm/hardware.h>
15 
16 #define CONFIG_SYS_TEXT_BASE		0x21F00000
17 
18 /* ARM asynchronous clock */
19 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
20 #define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */
21 
22 #define CONFIG_AT91SAM9RLEK		1	/* It's an AT91SAM9RLEK Board */
23 
24 #define CONFIG_ARCH_CPU_INIT
25 #define CONFIG_SKIP_LOWLEVEL_INIT
26 #define CONFIG_BOARD_EARLY_INIT_F
27 
28 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
29 #define CONFIG_SETUP_MEMORY_TAGS	1
30 #define CONFIG_INITRD_TAG		1
31 
32 #define CONFIG_DISPLAY_CPUINFO
33 
34 #define CONFIG_CMD_BOOTZ
35 #define CONFIG_OF_LIBFDT
36 
37 #define CONFIG_SYS_GENERIC_BOARD
38 
39 #define CONFIG_ATMEL_LEGACY
40 #define CONFIG_AT91_GPIO		1
41 #define CONFIG_AT91_GPIO_PULLUP		1
42 
43 /*
44  * Hardware drivers
45  */
46 
47 /* serial console */
48 #define CONFIG_ATMEL_USART
49 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
50 #define CONFIG_USART_ID			ATMEL_ID_SYS
51 #define CONFIG_BAUDRATE			115200
52 
53 /* LCD */
54 #define CONFIG_LCD			1
55 #define LCD_BPP				LCD_COLOR8
56 #define CONFIG_LCD_LOGO			1
57 #undef LCD_TEST_PATTERN
58 #define CONFIG_LCD_INFO			1
59 #define CONFIG_LCD_INFO_BELOW_LOGO	1
60 #define CONFIG_SYS_WHITE_ON_BLACK	1
61 #define CONFIG_ATMEL_LCD		1
62 #define CONFIG_ATMEL_LCD_RGB565		1
63 /* Let board_init_f handle the framebuffer allocation */
64 #undef CONFIG_FB_ADDR
65 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
66 
67 
68 /* LED */
69 #define CONFIG_AT91_LED
70 #define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
71 #define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
72 #define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
73 
74 #define CONFIG_BOOTDELAY	3
75 
76 /*
77  * Command line configuration.
78  */
79 #undef CONFIG_CMD_USB
80 
81 #define CONFIG_CMD_NAND			1
82 
83 /* SDRAM */
84 #define CONFIG_NR_DRAM_BANKS		1
85 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
86 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
87 
88 #define CONFIG_SYS_INIT_SP_ADDR \
89 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
90 
91 /* DataFlash */
92 #define CONFIG_ATMEL_DATAFLASH_SPI
93 #define CONFIG_HAS_DATAFLASH			1
94 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
95 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
96 #define AT91_SPI_CLK				15000000
97 #define DATAFLASH_TCSS				(0x1a << 16)
98 #define DATAFLASH_TCHS				(0x1 << 24)
99 
100 /* NOR flash - not present */
101 #define CONFIG_SYS_NO_FLASH			1
102 
103 /* NAND flash */
104 #ifdef CONFIG_CMD_NAND
105 #define CONFIG_NAND_ATMEL
106 #define CONFIG_SYS_MAX_NAND_DEVICE		1
107 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
108 #define CONFIG_SYS_NAND_DBW_8			1
109 /* our ALE is AD21 */
110 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
111 /* our CLE is AD22 */
112 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
113 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
114 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
115 
116 #endif
117 
118 /* MMC */
119 #define CONFIG_CMD_MMC
120 
121 #ifdef CONFIG_CMD_MMC
122 #define CONFIG_MMC
123 #define CONFIG_GENERIC_MMC
124 #define CONFIG_GENERIC_ATMEL_MCI
125 #define CONFIG_CMD_FAT
126 #define CONFIG_DOS_PARTITION
127 #endif
128 
129 /* Ethernet - not present */
130 
131 /* USB - not supported */
132 
133 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
134 
135 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
136 #define CONFIG_SYS_MEMTEST_END			0x23e00000
137 
138 #ifdef CONFIG_SYS_USE_DATAFLASH
139 
140 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
141 #define CONFIG_ENV_IS_IN_DATAFLASH	1
142 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
143 #define CONFIG_ENV_OFFSET		0x4200
144 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
145 #define CONFIG_ENV_SIZE		0x4200
146 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
147 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
148 				"root=/dev/mtdblock0 " \
149 				"mtdparts=atmel_nand:-(root) "\
150 				"rw rootfstype=jffs2"
151 
152 #elif CONFIG_SYS_USE_NANDFLASH
153 
154 /* bootstrap + u-boot + env + linux in nandflash */
155 #define CONFIG_ENV_IS_IN_NAND		1
156 #define CONFIG_ENV_OFFSET		0xc0000
157 #define CONFIG_ENV_OFFSET_REDUND	0x100000
158 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
159 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
160 				"nand read 0x21000000 0x180000 0x80000; "	\
161 				"bootz 0x22000000 - 0x21000000"
162 #define CONFIG_BOOTARGS		\
163 				"console=ttyS0,115200 earlyprintk "				\
164 				"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
165 				"256K(env),256k(env_redundent),256k(spare),"			\
166 				"512k(dtb),6M(kernel)ro,-(rootfs) "				\
167 				"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
168 
169 #else /* CONFIG_SYS_USE_MMC */
170 
171 /* bootstrap + u-boot + env + linux in mmc */
172 #define CONFIG_ENV_IS_IN_FAT
173 #define CONFIG_FAT_WRITE
174 #define FAT_ENV_INTERFACE	"mmc"
175 #define FAT_ENV_FILE		"uboot.env"
176 #define FAT_ENV_DEVICE_AND_PART	"0"
177 #define CONFIG_ENV_SIZE		0x4000
178 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
179 				"fatload mmc 0:1 0x22000000 zImage; " \
180 				"bootz 0x22000000 - 0x21000000"
181 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
182 				"mtdparts=atmel_nand:" \
183 				"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
184 				"root=/dev/mmcblk0p2 rw rootwait"
185 #endif
186 
187 #define CONFIG_SYS_PROMPT		"U-Boot> "
188 #define CONFIG_SYS_CBSIZE		256
189 #define CONFIG_SYS_MAXARGS		16
190 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
191 #define CONFIG_SYS_LONGHELP		1
192 #define CONFIG_CMDLINE_EDITING		1
193 #define CONFIG_AUTO_COMPLETE
194 
195 /*
196  * Size of malloc() pool
197  */
198 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
199 
200 #endif
201