1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2007-2008
4  * Stelian Pop <stelian@popies.net>
5  * Lead Tech Design <www.leadtechdesign.com>
6  *
7  * Configuation settings for the AT91SAM9RLEK board.
8  */
9 
10 #ifndef __CONFIG_H
11 #define __CONFIG_H
12 
13 #include <asm/hardware.h>
14 
15 /* ARM asynchronous clock */
16 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
17 #define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */
18 
19 #define CONFIG_ARCH_CPU_INIT
20 #define CONFIG_SKIP_LOWLEVEL_INIT
21 
22 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
23 #define CONFIG_SETUP_MEMORY_TAGS	1
24 #define CONFIG_INITRD_TAG		1
25 
26 #define CONFIG_ATMEL_LEGACY
27 
28 /*
29  * Hardware drivers
30  */
31 
32 /* LCD */
33 #define LCD_BPP				LCD_COLOR8
34 #define CONFIG_LCD_LOGO			1
35 #undef LCD_TEST_PATTERN
36 #define CONFIG_LCD_INFO			1
37 #define CONFIG_LCD_INFO_BELOW_LOGO	1
38 #define CONFIG_ATMEL_LCD		1
39 #define CONFIG_ATMEL_LCD_RGB565		1
40 /* Let board_init_f handle the framebuffer allocation */
41 #undef CONFIG_FB_ADDR
42 
43 /* SDRAM */
44 #define CONFIG_NR_DRAM_BANKS		1
45 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
46 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
47 
48 #define CONFIG_SYS_INIT_SP_ADDR \
49 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
50 
51 /* NAND flash */
52 #ifdef CONFIG_CMD_NAND
53 #define CONFIG_NAND_ATMEL
54 #define CONFIG_SYS_MAX_NAND_DEVICE		1
55 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
56 #define CONFIG_SYS_NAND_DBW_8			1
57 /* our ALE is AD21 */
58 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
59 /* our CLE is AD22 */
60 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
61 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
62 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
63 
64 #endif
65 
66 /* Ethernet - not present */
67 
68 /* USB - not supported */
69 
70 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
71 
72 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
73 #define CONFIG_SYS_MEMTEST_END			0x23e00000
74 
75 #ifdef CONFIG_SYS_USE_DATAFLASH
76 
77 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
78 #define CONFIG_ENV_OFFSET	0x4200
79 #define CONFIG_ENV_SIZE		0x4200
80 #define CONFIG_ENV_SECT_SIZE	0x210
81 #define CONFIG_ENV_SPI_MAX_HZ	15000000
82 #define CONFIG_BOOTCOMMAND	"sf probe 0; " \
83 				"sf read 0x22000000 0x84000 0x294000; " \
84 				"bootm 0x22000000"
85 
86 #elif CONFIG_SYS_USE_NANDFLASH
87 
88 /* bootstrap + u-boot + env + linux in nandflash */
89 #define CONFIG_ENV_OFFSET		0x140000
90 #define CONFIG_ENV_OFFSET_REDUND	0x100000
91 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
92 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
93 				"nand read 0x21000000 0x180000 0x80000; "	\
94 				"bootz 0x22000000 - 0x21000000"
95 
96 #else /* CONFIG_SYS_USE_MMC */
97 
98 /* bootstrap + u-boot + env + linux in mmc */
99 #define CONFIG_ENV_SIZE		0x4000
100 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
101 				"fatload mmc 0:1 0x22000000 zImage; " \
102 				"bootz 0x22000000 - 0x21000000"
103 #endif
104 
105 /*
106  * Size of malloc() pool
107  */
108 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
109 
110 #endif
111