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 /* SDRAM */
49 #define CONFIG_NR_DRAM_BANKS		1
50 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
51 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
52 
53 #define CONFIG_SYS_INIT_SP_ADDR \
54 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
55 
56 /* NAND flash */
57 #ifdef CONFIG_CMD_NAND
58 #define CONFIG_NAND_ATMEL
59 #define CONFIG_SYS_MAX_NAND_DEVICE		1
60 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
61 #define CONFIG_SYS_NAND_DBW_8			1
62 /* our ALE is AD21 */
63 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
64 /* our CLE is AD22 */
65 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
66 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
67 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
68 
69 #endif
70 
71 /* Ethernet - not present */
72 
73 /* USB - not supported */
74 
75 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
76 
77 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
78 #define CONFIG_SYS_MEMTEST_END			0x23e00000
79 
80 #ifdef CONFIG_SYS_USE_DATAFLASH
81 
82 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
83 #define CONFIG_ENV_OFFSET	0x4200
84 #define CONFIG_ENV_SIZE		0x4200
85 #define CONFIG_ENV_SECT_SIZE	0x210
86 #define CONFIG_ENV_SPI_MAX_HZ	15000000
87 #define CONFIG_BOOTCOMMAND	"sf probe 0; " \
88 				"sf read 0x22000000 0x84000 0x294000; " \
89 				"bootm 0x22000000"
90 
91 #elif CONFIG_SYS_USE_NANDFLASH
92 
93 /* bootstrap + u-boot + env + linux in nandflash */
94 #define CONFIG_ENV_OFFSET		0x120000
95 #define CONFIG_ENV_OFFSET_REDUND	0x100000
96 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
97 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
98 				"nand read 0x21000000 0x180000 0x80000; "	\
99 				"bootz 0x22000000 - 0x21000000"
100 
101 #else /* CONFIG_SYS_USE_MMC */
102 
103 /* bootstrap + u-boot + env + linux in mmc */
104 #define CONFIG_ENV_SIZE		0x4000
105 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
106 				"fatload mmc 0:1 0x22000000 zImage; " \
107 				"bootz 0x22000000 - 0x21000000"
108 #endif
109 
110 #define CONFIG_SYS_CBSIZE		256
111 #define CONFIG_SYS_MAXARGS		16
112 #define CONFIG_SYS_LONGHELP		1
113 #define CONFIG_CMDLINE_EDITING		1
114 #define CONFIG_AUTO_COMPLETE
115 
116 /*
117  * Size of malloc() pool
118  */
119 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
120 
121 #endif
122