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
22 #define CONFIG_SYS_SDRAM_BASE 0x20000000
23 #define CONFIG_SYS_SDRAM_SIZE 0x08000000
26 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
27 * leaving the correct space for initial global data structure above
28 * that address while providing maximum stack area below.
30 # define CONFIG_SYS_INIT_SP_ADDR \
31 (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
36 #ifdef CONFIG_CMD_NAND
37 #define CONFIG_SYS_MAX_NAND_DEVICE 1
38 #define CONFIG_SYS_NAND_BASE 0x40000000
39 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
40 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
41 #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4)
42 #define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5)
45 #define CONFIG_EXTRA_ENV_SETTINGS \
46 "console=console=ttyS0,115200\0" \
47 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \
48 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
49 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
53 #define CONFIG_USB_ATMEL
54 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
55 #define CONFIG_USB_OHCI_NEW
56 #define CONFIG_SYS_USB_OHCI_CPU_INIT
57 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI
58 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12"
59 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
63 #define CONFIG_SPL_MAX_SIZE 0x6000
64 #define CONFIG_SPL_STACK 0x308000
66 #define CONFIG_SPL_BSS_START_ADDR 0x20000000
67 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000
68 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000
69 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
71 #define CONFIG_SYS_MONITOR_LEN (512 << 10)
73 #define CONFIG_SYS_MASTER_CLOCK 132096000
74 #define CONFIG_SYS_AT91_PLLA 0x20953f03
75 #define CONFIG_SYS_MCKR 0x1301
76 #define CONFIG_SYS_MCKR_CSS 0x1302
79 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"