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