2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * Configuation settings for the AT91SAM9RLEK board.
8 * SPDX-License-Identifier: GPL-2.0+
14 #include <asm/hardware.h>
16 /* ARM asynchronous clock */
17 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
18 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */
20 #define CONFIG_ARCH_CPU_INIT
21 #define CONFIG_SKIP_LOWLEVEL_INIT
23 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
24 #define CONFIG_SETUP_MEMORY_TAGS 1
25 #define CONFIG_INITRD_TAG 1
27 #define CONFIG_ATMEL_LEGACY
34 #define LCD_BPP LCD_COLOR8
35 #define CONFIG_LCD_LOGO 1
36 #undef LCD_TEST_PATTERN
37 #define CONFIG_LCD_INFO 1
38 #define CONFIG_LCD_INFO_BELOW_LOGO 1
39 #define CONFIG_ATMEL_LCD 1
40 #define CONFIG_ATMEL_LCD_RGB565 1
41 /* Let board_init_f handle the framebuffer allocation */
45 #define CONFIG_NR_DRAM_BANKS 1
46 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
47 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
49 #define CONFIG_SYS_INIT_SP_ADDR \
50 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
53 #ifdef CONFIG_CMD_NAND
54 #define CONFIG_NAND_ATMEL
55 #define CONFIG_SYS_MAX_NAND_DEVICE 1
56 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
57 #define CONFIG_SYS_NAND_DBW_8 1
59 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
61 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
62 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6
63 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17
67 /* Ethernet - not present */
69 /* USB - not supported */
71 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
73 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
74 #define CONFIG_SYS_MEMTEST_END 0x23e00000
76 #ifdef CONFIG_SYS_USE_DATAFLASH
78 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
79 #define CONFIG_ENV_OFFSET 0x4200
80 #define CONFIG_ENV_SIZE 0x4200
81 #define CONFIG_ENV_SECT_SIZE 0x210
82 #define CONFIG_ENV_SPI_MAX_HZ 15000000
83 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
84 "sf read 0x22000000 0x84000 0x294000; " \
87 #elif CONFIG_SYS_USE_NANDFLASH
89 /* bootstrap + u-boot + env + linux in nandflash */
90 #define CONFIG_ENV_OFFSET 0x120000
91 #define CONFIG_ENV_OFFSET_REDUND 0x100000
92 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
93 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \
94 "nand read 0x21000000 0x180000 0x80000; " \
95 "bootz 0x22000000 - 0x21000000"
97 #else /* CONFIG_SYS_USE_MMC */
99 /* bootstrap + u-boot + env + linux in mmc */
100 #define CONFIG_ENV_SIZE 0x4000
101 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
102 "fatload mmc 0:1 0x22000000 zImage; " \
103 "bootz 0x22000000 - 0x21000000"
107 * Size of malloc() pool
109 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)