1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
7 * Configuation settings for the AT91SAM9RLEK board.
13 #include <asm/hardware.h>
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 */
19 #define CONFIG_ARCH_CPU_INIT
20 #define CONFIG_SKIP_LOWLEVEL_INIT
22 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
23 #define CONFIG_SETUP_MEMORY_TAGS 1
24 #define CONFIG_INITRD_TAG 1
26 #define CONFIG_ATMEL_LEGACY
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 */
44 #define CONFIG_NR_DRAM_BANKS 1
45 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
46 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
48 #define CONFIG_SYS_INIT_SP_ADDR \
49 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
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
58 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
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
66 /* Ethernet - not present */
68 /* USB - not supported */
70 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
72 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
73 #define CONFIG_SYS_MEMTEST_END 0x23e00000
75 #ifdef CONFIG_SYS_USE_DATAFLASH
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; " \
86 #elif CONFIG_SYS_USE_NANDFLASH
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"
96 #else /* CONFIG_SYS_USE_MMC */
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"
106 * Size of malloc() pool
108 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)