1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2013 Atmel Corporation.
4 * Josh Wu <josh.wu@atmel.com>
6 * Configuation settings for the AT91SAM9N12-EK boards.
9 #ifndef __AT91SAM9N12_CONFIG_H_
10 #define __AT91SAM9N12_CONFIG_H_
12 /* ARM asynchronous clock */
13 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
14 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */
16 /* Misc CPU related */
19 #define LCD_BPP LCD_COLOR16
20 #define LCD_OUTPUT_BPP 24
21 #define CONFIG_LCD_LOGO
22 #define CONFIG_LCD_INFO
23 #define CONFIG_LCD_INFO_BELOW_LOGO
24 #define CONFIG_ATMEL_LCD_RGB565
26 #define CONFIG_SYS_SDRAM_BASE 0x20000000
27 #define CONFIG_SYS_SDRAM_SIZE 0x08000000
30 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
31 * leaving the correct space for initial global data structure above
32 * that address while providing maximum stack area below.
34 # define CONFIG_SYS_INIT_SP_ADDR \
35 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
40 #ifdef CONFIG_CMD_NAND
41 #define CONFIG_SYS_MAX_NAND_DEVICE 1
42 #define CONFIG_SYS_NAND_BASE 0x40000000
43 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
44 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
45 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4)
46 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5)
49 #define CONFIG_EXTRA_ENV_SETTINGS \
50 "console=console=ttyS0,115200\0" \
51 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \
52 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
53 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
57 #define CONFIG_USB_ATMEL
58 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
59 #define CONFIG_USB_OHCI_NEW
60 #define CONFIG_SYS_USB_OHCI_CPU_INIT
61 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI
62 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12"
63 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
66 #ifdef CONFIG_SPI_BOOT
68 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
70 #elif defined(CONFIG_NAND_BOOT)
72 /* bootstrap + u-boot + env + linux in nandflash */
76 #define CONFIG_SPL_MAX_SIZE 0x6000
77 #define CONFIG_SPL_STACK 0x308000
79 #define CONFIG_SPL_BSS_START_ADDR 0x20000000
80 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000
81 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000
82 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
84 #define CONFIG_SYS_MONITOR_LEN (512 << 10)
86 #define CONFIG_SYS_MASTER_CLOCK 132096000
87 #define CONFIG_SYS_AT91_PLLA 0x20953f03
88 #define CONFIG_SYS_MCKR 0x1301
89 #define CONFIG_SYS_MCKR_CSS 0x1302
92 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"