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 
27 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
28 #define CONFIG_SETUP_MEMORY_TAGS	1
29 #define CONFIG_INITRD_TAG		1
30 
31 #define CONFIG_ATMEL_LEGACY
32 #define CONFIG_AT91_GPIO		1
33 #define CONFIG_AT91_GPIO_PULLUP		1
34 
35 /*
36  * Hardware drivers
37  */
38 
39 /* serial console */
40 #define CONFIG_ATMEL_USART
41 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
42 #define CONFIG_USART_ID			ATMEL_ID_SYS
43 
44 /* LCD */
45 #define LCD_BPP				LCD_COLOR8
46 #define CONFIG_LCD_LOGO			1
47 #undef LCD_TEST_PATTERN
48 #define CONFIG_LCD_INFO			1
49 #define CONFIG_LCD_INFO_BELOW_LOGO	1
50 #define CONFIG_SYS_WHITE_ON_BLACK	1
51 #define CONFIG_ATMEL_LCD		1
52 #define CONFIG_ATMEL_LCD_RGB565		1
53 /* Let board_init_f handle the framebuffer allocation */
54 #undef CONFIG_FB_ADDR
55 
56 /* LED */
57 #define CONFIG_AT91_LED
58 #define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
59 #define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
60 #define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
61 
62 
63 /*
64  * Command line configuration.
65  */
66 
67 #define CONFIG_CMD_NAND			1
68 
69 /* SDRAM */
70 #define CONFIG_NR_DRAM_BANKS		1
71 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
72 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
73 
74 #define CONFIG_SYS_INIT_SP_ADDR \
75 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
76 
77 /* DataFlash */
78 #define CONFIG_ATMEL_DATAFLASH_SPI
79 #define CONFIG_HAS_DATAFLASH			1
80 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
81 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
82 #define AT91_SPI_CLK				15000000
83 #define DATAFLASH_TCSS				(0x1a << 16)
84 #define DATAFLASH_TCHS				(0x1 << 24)
85 
86 /* NAND flash */
87 #ifdef CONFIG_CMD_NAND
88 #define CONFIG_NAND_ATMEL
89 #define CONFIG_SYS_MAX_NAND_DEVICE		1
90 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
91 #define CONFIG_SYS_NAND_DBW_8			1
92 /* our ALE is AD21 */
93 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
94 /* our CLE is AD22 */
95 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
96 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
97 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
98 
99 #endif
100 
101 /* MMC */
102 
103 #ifdef CONFIG_CMD_MMC
104 #define CONFIG_GENERIC_ATMEL_MCI
105 #endif
106 
107 /* Ethernet - not present */
108 
109 /* USB - not supported */
110 
111 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
112 
113 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
114 #define CONFIG_SYS_MEMTEST_END			0x23e00000
115 
116 #ifdef CONFIG_SYS_USE_DATAFLASH
117 
118 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
119 #define CONFIG_ENV_IS_IN_DATAFLASH	1
120 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
121 #define CONFIG_ENV_OFFSET		0x4200
122 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
123 #define CONFIG_ENV_SIZE		0x4200
124 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
125 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
126 				"root=/dev/mtdblock0 " \
127 				"mtdparts=atmel_nand:-(root) "\
128 				"rw rootfstype=jffs2"
129 
130 #elif CONFIG_SYS_USE_NANDFLASH
131 
132 /* bootstrap + u-boot + env + linux in nandflash */
133 #define CONFIG_ENV_IS_IN_NAND		1
134 #define CONFIG_ENV_OFFSET		0xc0000
135 #define CONFIG_ENV_OFFSET_REDUND	0x100000
136 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
137 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
138 				"nand read 0x21000000 0x180000 0x80000; "	\
139 				"bootz 0x22000000 - 0x21000000"
140 #define CONFIG_BOOTARGS		\
141 				"console=ttyS0,115200 earlyprintk "				\
142 				"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
143 				"256K(env),256k(env_redundant),256k(spare),"			\
144 				"512k(dtb),6M(kernel)ro,-(rootfs) "				\
145 				"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
146 
147 #else /* CONFIG_SYS_USE_MMC */
148 
149 /* bootstrap + u-boot + env + linux in mmc */
150 #define CONFIG_ENV_IS_IN_FAT
151 #define CONFIG_FAT_WRITE
152 #define FAT_ENV_INTERFACE	"mmc"
153 #define FAT_ENV_FILE		"uboot.env"
154 #define FAT_ENV_DEVICE_AND_PART	"0"
155 #define CONFIG_ENV_SIZE		0x4000
156 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
157 				"fatload mmc 0:1 0x22000000 zImage; " \
158 				"bootz 0x22000000 - 0x21000000"
159 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
160 				"mtdparts=atmel_nand:" \
161 				"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
162 				"root=/dev/mmcblk0p2 rw rootwait"
163 #endif
164 
165 #define CONFIG_SYS_CBSIZE		256
166 #define CONFIG_SYS_MAXARGS		16
167 #define CONFIG_SYS_LONGHELP		1
168 #define CONFIG_CMDLINE_EDITING		1
169 #define CONFIG_AUTO_COMPLETE
170 
171 /*
172  * Size of malloc() pool
173  */
174 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
175 
176 #endif
177