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1/*
2 * (C) Copyright 2013 Atmel Corporation.
3 * Josh Wu <josh.wu@atmel.com>
4 *
5 * Configuation settings for the AT91SAM9N12-EK boards.
6 *
1a459660 7 * SPDX-License-Identifier: GPL-2.0+
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8 */
9
10#ifndef __AT91SAM9N12_CONFIG_H_
11#define __AT91SAM9N12_CONFIG_H_
12
13/*
14 * SoC must be defined first, before hardware.h is included.
15 * In this case SoC is defined in boards.cfg.
16 */
17#include <asm/hardware.h>
18
19#define CONFIG_SYS_TEXT_BASE 0x26f00000
20
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21/* ARM asynchronous clock */
22#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
23#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */
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24
25/* Misc CPU related */
26#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
27#define CONFIG_SETUP_MEMORY_TAGS
28#define CONFIG_INITRD_TAG
29#define CONFIG_SKIP_LOWLEVEL_INIT
9e336903 30
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31/* general purpose I/O */
32#define CONFIG_AT91_GPIO
33
34/* serial console */
35#define CONFIG_ATMEL_USART
36#define CONFIG_USART_BASE ATMEL_BASE_DBGU
37#define CONFIG_USART_ID ATMEL_ID_SYS
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38
39/* LCD */
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40#define LCD_BPP LCD_COLOR16
41#define LCD_OUTPUT_BPP 24
42#define CONFIG_LCD_LOGO
43#define CONFIG_LCD_INFO
44#define CONFIG_LCD_INFO_BELOW_LOGO
45#define CONFIG_SYS_WHITE_ON_BLACK
46#define CONFIG_ATMEL_HLCD
47#define CONFIG_ATMEL_LCD_RGB565
9e336903 48
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49
50/*
51 * BOOTP options
52 */
53#define CONFIG_BOOTP_BOOTFILESIZE
54#define CONFIG_BOOTP_BOOTPATH
55#define CONFIG_BOOTP_GATEWAY
56#define CONFIG_BOOTP_HOSTNAME
57
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58/*
59 * Command line configuration.
60 */
9e336903 61#define CONFIG_CMD_NAND
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62
63#define CONFIG_NR_DRAM_BANKS 1
64#define CONFIG_SYS_SDRAM_BASE 0x20000000
65#define CONFIG_SYS_SDRAM_SIZE 0x08000000
66
67/*
68 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
69 * leaving the correct space for initial global data structure above
70 * that address while providing maximum stack area below.
71 */
72# define CONFIG_SYS_INIT_SP_ADDR \
73 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
74
75/* DataFlash */
76#ifdef CONFIG_CMD_SF
77#define CONFIG_ATMEL_SPI
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78#define CONFIG_SF_DEFAULT_SPEED 30000000
79#define CONFIG_ENV_SPI_MODE SPI_MODE_3
80#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
81#endif
82
83/* NAND flash */
84#ifdef CONFIG_CMD_NAND
85#define CONFIG_NAND_ATMEL
86#define CONFIG_SYS_MAX_NAND_DEVICE 1
87#define CONFIG_SYS_NAND_BASE 0x40000000
88#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
89#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
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90#define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(4)
91#define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PD(5)
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92
93/* PMECC & PMERRLOC */
94#define CONFIG_ATMEL_NAND_HWECC
95#define CONFIG_ATMEL_NAND_HW_PMECC
96#define CONFIG_PMECC_CAP 2
97#define CONFIG_PMECC_SECTOR_SIZE 512
98#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000
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99
100#define CONFIG_CMD_NAND_TRIMFFS
101
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102#endif
103
104#define CONFIG_MTD_PARTITIONS
105#define CONFIG_MTD_DEVICE
106#define CONFIG_CMD_MTDPARTS
107#define MTDIDS_DEFAULT "nand0=atmel_nand"
108#define MTDPARTS_DEFAULT \
109 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
110 "256k(env),256k(env_redundant),256k(spare)," \
111 "512k(dtb),6M(kernel)ro,-(rootfs)"
112
113#define CONFIG_EXTRA_ENV_SETTINGS \
114 "console=console=ttyS0,115200\0" \
115 "mtdparts="MTDPARTS_DEFAULT"\0" \
116 "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
117 "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
118
119/* MMC */
120#ifdef CONFIG_CMD_MMC
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121#define CONFIG_GENERIC_ATMEL_MCI
122#endif
123
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124/* Ethernet */
125#define CONFIG_KS8851_MLL
126#define CONFIG_KS8851_MLL_BASEADDR 0x30000000 /* use NCS2 */
127
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128#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
129
130#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
131#define CONFIG_SYS_MEMTEST_END 0x26e00000
132
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133/* USB host */
134#ifdef CONFIG_CMD_USB
135#define CONFIG_USB_ATMEL
dcd2f1a0 136#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
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137#define CONFIG_USB_OHCI_NEW
138#define CONFIG_SYS_USB_OHCI_CPU_INIT
139#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_BASE_OHCI
140#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9n12"
141#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
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142#endif
143
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144#ifdef CONFIG_SYS_USE_SPIFLASH
145
146/* bootstrap + u-boot + env + linux in dataflash on CS0 */
147#define CONFIG_ENV_IS_IN_SPI_FLASH
148#define CONFIG_ENV_OFFSET 0x5000
149#define CONFIG_ENV_SIZE 0x3000
150#define CONFIG_ENV_SECT_SIZE 0x1000
151#define CONFIG_BOOTCOMMAND \
152 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
153 "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \
154 "bootm 0x22000000"
155
156#elif defined(CONFIG_SYS_USE_NANDFLASH)
157
158/* bootstrap + u-boot + env + linux in nandflash */
159#define CONFIG_ENV_IS_IN_NAND
160#define CONFIG_ENV_OFFSET 0xc0000
161#define CONFIG_ENV_OFFSET_REDUND 0x100000
162#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
163#define CONFIG_BOOTCOMMAND \
164 "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
165 "nand read 0x21000000 0x180000 0x080000;" \
166 "nand read 0x22000000 0x200000 0x400000;" \
167 "bootm 0x22000000 - 0x21000000"
168
169#else /* CONFIG_SYS_USE_MMC */
170
171/* bootstrap + u-boot + env + linux in mmc */
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172
173#ifdef CONFIG_ENV_IS_IN_MMC
174/* Use raw reserved sectors to save environment */
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175#define CONFIG_ENV_OFFSET 0x2000
176#define CONFIG_ENV_SIZE 0x1000
177#define CONFIG_SYS_MMC_ENV_DEV 0
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178#else
179/* Use file in FAT file to save environment */
180#define CONFIG_ENV_IS_IN_FAT
181#define CONFIG_FAT_WRITE
182#define FAT_ENV_INTERFACE "mmc"
183#define FAT_ENV_FILE "uboot.env"
184#define FAT_ENV_DEVICE_AND_PART "0"
185#define CONFIG_ENV_SIZE 0x4000
186#endif
187
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188#define CONFIG_BOOTCOMMAND \
189 "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \
190 "fatload mmc 0:1 0x21000000 dtb;" \
191 "fatload mmc 0:1 0x22000000 uImage;" \
192 "bootm 0x22000000 - 0x21000000"
193
194#endif
195
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196#define CONFIG_SYS_CBSIZE 256
197#define CONFIG_SYS_MAXARGS 16
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198#define CONFIG_SYS_LONGHELP
199#define CONFIG_CMDLINE_EDITING
200#define CONFIG_AUTO_COMPLETE
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201
202/*
203 * Size of malloc() pool
204 */
205#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
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206
207/* SPL */
208#define CONFIG_SPL_FRAMEWORK
209#define CONFIG_SPL_TEXT_BASE 0x300000
210#define CONFIG_SPL_MAX_SIZE 0x6000
211#define CONFIG_SPL_STACK 0x308000
212
213#define CONFIG_SPL_BSS_START_ADDR 0x20000000
214#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
215#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
216#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
217
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218#define CONFIG_SPL_BOARD_INIT
219#define CONFIG_SYS_MONITOR_LEN (512 << 10)
220
221#define CONFIG_SYS_MASTER_CLOCK 132096000
222#define CONFIG_SYS_AT91_PLLA 0x20953f03
223#define CONFIG_SYS_MCKR 0x1301
224#define CONFIG_SYS_MCKR_CSS 0x1302
225
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226#ifdef CONFIG_SYS_USE_MMC
227#define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
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228#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
229#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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230
231#elif CONFIG_SYS_USE_NANDFLASH
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232#define CONFIG_SPL_NAND_DRIVERS
233#define CONFIG_SPL_NAND_BASE
234#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000
235#define CONFIG_SYS_NAND_5_ADDR_CYCLE
236#define CONFIG_SYS_NAND_PAGE_SIZE 0x800
237#define CONFIG_SYS_NAND_PAGE_COUNT 64
238#define CONFIG_SYS_NAND_OOBSIZE 64
239#define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000
240#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0
241#define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
242
243#elif CONFIG_SYS_USE_SPIFLASH
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244#define CONFIG_SPL_SPI_LOAD
245#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400
246
247#endif
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248
249#endif