1 /*
2  * (C) Copyright 2013 Atmel Corporation.
3  * Josh Wu <josh.wu@atmel.com>
4  *
5  * Configuation settings for the AT91SAM9N12-EK boards.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
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 
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 */
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
30 #define CONFIG_BOARD_EARLY_INIT_F
31 #define CONFIG_DISPLAY_CPUINFO
32 
33 #define CONFIG_OF_LIBFDT
34 #define CONFIG_SYS_GENERIC_BOARD
35 
36 /* general purpose I/O */
37 #define CONFIG_AT91_GPIO
38 
39 /* serial console */
40 #define CONFIG_ATMEL_USART
41 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
42 #define CONFIG_USART_ID			ATMEL_ID_SYS
43 #define CONFIG_BAUDRATE			115200
44 
45 /* LCD */
46 #define CONFIG_LCD
47 #define LCD_BPP				LCD_COLOR16
48 #define LCD_OUTPUT_BPP			24
49 #define CONFIG_LCD_LOGO
50 #define CONFIG_LCD_INFO
51 #define CONFIG_LCD_INFO_BELOW_LOGO
52 #define CONFIG_SYS_WHITE_ON_BLACK
53 #define CONFIG_ATMEL_HLCD
54 #define CONFIG_ATMEL_LCD_RGB565
55 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
56 
57 #define CONFIG_BOOTDELAY		3
58 
59 /*
60  * BOOTP options
61  */
62 #define CONFIG_BOOTP_BOOTFILESIZE
63 #define CONFIG_BOOTP_BOOTPATH
64 #define CONFIG_BOOTP_GATEWAY
65 #define CONFIG_BOOTP_HOSTNAME
66 
67 /* NOR flash - no real flash on this board */
68 #define CONFIG_SYS_NO_FLASH
69 
70 /*
71  * Command line configuration.
72  */
73 #define CONFIG_CMD_BOOTZ
74 #define CONFIG_CMD_PING
75 #define CONFIG_CMD_DHCP
76 #define CONFIG_CMD_NAND
77 #define CONFIG_CMD_SF
78 #define CONFIG_CMD_MMC
79 #define CONFIG_CMD_FAT
80 #define CONFIG_CMD_USB
81 
82 #define CONFIG_NR_DRAM_BANKS		1
83 #define CONFIG_SYS_SDRAM_BASE		0x20000000
84 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
85 
86 /*
87  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
88  * leaving the correct space for initial global data structure above
89  * that address while providing maximum stack area below.
90  */
91 # define CONFIG_SYS_INIT_SP_ADDR \
92 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
93 
94 /* DataFlash */
95 #ifdef CONFIG_CMD_SF
96 #define CONFIG_ATMEL_SPI
97 #define CONFIG_SPI_FLASH_ATMEL
98 #define CONFIG_SF_DEFAULT_SPEED		30000000
99 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
100 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
101 #endif
102 
103 /* NAND flash */
104 #ifdef CONFIG_CMD_NAND
105 #define CONFIG_NAND_ATMEL
106 #define CONFIG_SYS_MAX_NAND_DEVICE	1
107 #define CONFIG_SYS_NAND_BASE		0x40000000
108 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
109 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
110 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
111 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
112 
113 /* PMECC & PMERRLOC */
114 #define CONFIG_ATMEL_NAND_HWECC
115 #define CONFIG_ATMEL_NAND_HW_PMECC
116 #define CONFIG_PMECC_CAP		2
117 #define CONFIG_PMECC_SECTOR_SIZE	512
118 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
119 
120 #define CONFIG_CMD_NAND_TRIMFFS
121 
122 #endif
123 
124 #define CONFIG_MTD_PARTITIONS
125 #define CONFIG_MTD_DEVICE
126 #define CONFIG_CMD_MTDPARTS
127 #define MTDIDS_DEFAULT			"nand0=atmel_nand"
128 #define MTDPARTS_DEFAULT						\
129 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
130 	"256k(env),256k(env_redundant),256k(spare),"			\
131 	"512k(dtb),6M(kernel)ro,-(rootfs)"
132 
133 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
134 	"console=console=ttyS0,115200\0"                                \
135 	"mtdparts="MTDPARTS_DEFAULT"\0"					\
136 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
137 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
138 
139 /* MMC */
140 #ifdef CONFIG_CMD_MMC
141 #define CONFIG_MMC
142 #define CONFIG_GENERIC_MMC
143 #define CONFIG_GENERIC_ATMEL_MCI
144 #endif
145 
146 /* FAT */
147 #ifdef CONFIG_CMD_FAT
148 #define CONFIG_DOS_PARTITION
149 #endif
150 
151 /* Ethernet */
152 #define CONFIG_KS8851_MLL
153 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
154 
155 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
156 
157 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
158 #define CONFIG_SYS_MEMTEST_END		0x26e00000
159 
160 /* USB host */
161 #ifdef CONFIG_CMD_USB
162 #define CONFIG_USB_ATMEL
163 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
164 #define CONFIG_USB_OHCI_NEW
165 #define CONFIG_SYS_USB_OHCI_CPU_INIT
166 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
167 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
168 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
169 #define CONFIG_USB_STORAGE
170 #endif
171 
172 #ifdef CONFIG_SYS_USE_SPIFLASH
173 
174 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
175 #define CONFIG_ENV_IS_IN_SPI_FLASH
176 #define CONFIG_ENV_OFFSET		0x5000
177 #define CONFIG_ENV_SIZE			0x3000
178 #define CONFIG_ENV_SECT_SIZE		0x1000
179 #define CONFIG_BOOTCOMMAND						\
180 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
181 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
182 	"bootm 0x22000000"
183 
184 #elif defined(CONFIG_SYS_USE_NANDFLASH)
185 
186 /* bootstrap + u-boot + env + linux in nandflash */
187 #define CONFIG_ENV_IS_IN_NAND
188 #define CONFIG_ENV_OFFSET		0xc0000
189 #define CONFIG_ENV_OFFSET_REDUND	0x100000
190 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
191 #define CONFIG_BOOTCOMMAND						\
192 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
193 	"nand read 0x21000000 0x180000 0x080000;"			\
194 	"nand read 0x22000000 0x200000 0x400000;"			\
195 	"bootm 0x22000000 - 0x21000000"
196 
197 #else /* CONFIG_SYS_USE_MMC */
198 
199 /* bootstrap + u-boot + env + linux in mmc */
200 
201 #ifdef CONFIG_ENV_IS_IN_MMC
202 /* Use raw reserved sectors to save environment */
203 #define CONFIG_ENV_OFFSET		0x2000
204 #define CONFIG_ENV_SIZE			0x1000
205 #define CONFIG_SYS_MMC_ENV_DEV		0
206 #else
207 /* Use file in FAT file to save environment */
208 #define CONFIG_ENV_IS_IN_FAT
209 #define CONFIG_FAT_WRITE
210 #define FAT_ENV_INTERFACE		"mmc"
211 #define FAT_ENV_FILE			"uboot.env"
212 #define FAT_ENV_DEVICE_AND_PART		"0"
213 #define CONFIG_ENV_SIZE			0x4000
214 #endif
215 
216 #define CONFIG_BOOTCOMMAND						\
217 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
218 	"fatload mmc 0:1 0x21000000 dtb;"				\
219 	"fatload mmc 0:1 0x22000000 uImage;"				\
220 	"bootm 0x22000000 - 0x21000000"
221 
222 #endif
223 
224 #define CONFIG_SYS_PROMPT	"U-Boot> "
225 #define CONFIG_SYS_CBSIZE	256
226 #define CONFIG_SYS_MAXARGS	16
227 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) \
228 					+ 16)
229 #define CONFIG_SYS_LONGHELP
230 #define CONFIG_CMDLINE_EDITING
231 #define CONFIG_AUTO_COMPLETE
232 #define CONFIG_SYS_HUSH_PARSER
233 
234 /*
235  * Size of malloc() pool
236  */
237 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
238 
239 /* SPL */
240 #define CONFIG_SPL_FRAMEWORK
241 #define CONFIG_SPL_TEXT_BASE		0x300000
242 #define CONFIG_SPL_MAX_SIZE		0x6000
243 #define CONFIG_SPL_STACK		0x308000
244 
245 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
246 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
247 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
248 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
249 
250 #define CONFIG_SPL_LIBCOMMON_SUPPORT
251 #define CONFIG_SPL_LIBGENERIC_SUPPORT
252 #define CONFIG_SPL_GPIO_SUPPORT
253 #define CONFIG_SPL_SERIAL_SUPPORT
254 
255 #define CONFIG_SPL_BOARD_INIT
256 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
257 
258 #define CONFIG_SYS_MASTER_CLOCK		132096000
259 #define CONFIG_SYS_AT91_PLLA		0x20953f03
260 #define CONFIG_SYS_MCKR			0x1301
261 #define CONFIG_SYS_MCKR_CSS		0x1302
262 
263 #define ATMEL_BASE_MPDDRC		ATMEL_BASE_DDRSDRC
264 
265 #ifdef CONFIG_SYS_USE_MMC
266 #define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
267 #define CONFIG_SPL_MMC_SUPPORT
268 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x400
269 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
270 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
271 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
272 #define CONFIG_SPL_FAT_SUPPORT
273 #define CONFIG_SPL_LIBDISK_SUPPORT
274 
275 #elif CONFIG_SYS_USE_NANDFLASH
276 #define CONFIG_SPL_NAND_SUPPORT
277 #define CONFIG_SPL_NAND_DRIVERS
278 #define CONFIG_SPL_NAND_BASE
279 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
280 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
281 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
282 #define CONFIG_SYS_NAND_PAGE_COUNT	64
283 #define CONFIG_SYS_NAND_OOBSIZE		64
284 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
285 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
286 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
287 
288 #elif CONFIG_SYS_USE_SPIFLASH
289 #define CONFIG_SPL_SPI_SUPPORT
290 #define CONFIG_SPL_SPI_FLASH_SUPPORT
291 #define CONFIG_SPL_SPI_LOAD
292 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
293 
294 #endif
295 
296 #endif
297