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 
33 /*
34  * Hardware drivers
35  */
36 
37 /* LCD */
38 #define LCD_BPP				LCD_COLOR8
39 #define CONFIG_LCD_LOGO			1
40 #undef LCD_TEST_PATTERN
41 #define CONFIG_LCD_INFO			1
42 #define CONFIG_LCD_INFO_BELOW_LOGO	1
43 #define CONFIG_ATMEL_LCD		1
44 #define CONFIG_ATMEL_LCD_RGB565		1
45 /* Let board_init_f handle the framebuffer allocation */
46 #undef CONFIG_FB_ADDR
47 
48 /*
49  * Command line configuration.
50  */
51 
52 #define CONFIG_CMD_NAND			1
53 
54 /* SDRAM */
55 #define CONFIG_NR_DRAM_BANKS		1
56 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
57 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
58 
59 #define CONFIG_SYS_INIT_SP_ADDR \
60 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
61 
62 /* DataFlash */
63 #define CONFIG_ATMEL_DATAFLASH_SPI
64 #define CONFIG_HAS_DATAFLASH			1
65 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
66 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
67 #define AT91_SPI_CLK				15000000
68 #define DATAFLASH_TCSS				(0x1a << 16)
69 #define DATAFLASH_TCHS				(0x1 << 24)
70 
71 /* NAND flash */
72 #ifdef CONFIG_CMD_NAND
73 #define CONFIG_NAND_ATMEL
74 #define CONFIG_SYS_MAX_NAND_DEVICE		1
75 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
76 #define CONFIG_SYS_NAND_DBW_8			1
77 /* our ALE is AD21 */
78 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
79 /* our CLE is AD22 */
80 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
81 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
82 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
83 
84 #endif
85 
86 /* Ethernet - not present */
87 
88 /* USB - not supported */
89 
90 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
91 
92 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
93 #define CONFIG_SYS_MEMTEST_END			0x23e00000
94 
95 #ifdef CONFIG_SYS_USE_DATAFLASH
96 
97 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
98 #define CONFIG_ENV_IS_IN_DATAFLASH	1
99 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
100 #define CONFIG_ENV_OFFSET		0x4200
101 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
102 #define CONFIG_ENV_SIZE		0x4200
103 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
104 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
105 				"root=/dev/mtdblock0 " \
106 				"mtdparts=atmel_nand:-(root) "\
107 				"rw rootfstype=jffs2"
108 
109 #elif CONFIG_SYS_USE_NANDFLASH
110 
111 /* bootstrap + u-boot + env + linux in nandflash */
112 #define CONFIG_ENV_IS_IN_NAND		1
113 #define CONFIG_ENV_OFFSET		0x120000
114 #define CONFIG_ENV_OFFSET_REDUND	0x100000
115 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
116 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
117 				"nand read 0x21000000 0x180000 0x80000; "	\
118 				"bootz 0x22000000 - 0x21000000"
119 #define CONFIG_BOOTARGS		\
120 				"console=ttyS0,115200 earlyprintk "				\
121 				"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
122 				"256K(env),256k(env_redundant),256k(spare),"			\
123 				"512k(dtb),6M(kernel)ro,-(rootfs) "				\
124 				"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
125 
126 #else /* CONFIG_SYS_USE_MMC */
127 
128 /* bootstrap + u-boot + env + linux in mmc */
129 #define CONFIG_ENV_IS_IN_FAT
130 #define CONFIG_FAT_WRITE
131 #define FAT_ENV_INTERFACE	"mmc"
132 #define FAT_ENV_FILE		"uboot.env"
133 #define FAT_ENV_DEVICE_AND_PART	"0"
134 #define CONFIG_ENV_SIZE		0x4000
135 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
136 				"fatload mmc 0:1 0x22000000 zImage; " \
137 				"bootz 0x22000000 - 0x21000000"
138 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
139 				"mtdparts=atmel_nand:" \
140 				"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
141 				"root=/dev/mmcblk0p2 rw rootwait"
142 #endif
143 
144 #define CONFIG_SYS_CBSIZE		256
145 #define CONFIG_SYS_MAXARGS		16
146 #define CONFIG_SYS_LONGHELP		1
147 #define CONFIG_CMDLINE_EDITING		1
148 #define CONFIG_AUTO_COMPLETE
149 
150 /*
151  * Size of malloc() pool
152  */
153 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
154 
155 #endif
156