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 
35 /* general purpose I/O */
36 #define CONFIG_AT91_GPIO
37 
38 /* serial console */
39 #define CONFIG_ATMEL_USART
40 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
41 #define CONFIG_USART_ID			ATMEL_ID_SYS
42 #define CONFIG_BAUDRATE			115200
43 
44 /* LCD */
45 #define CONFIG_LCD
46 #define LCD_BPP				LCD_COLOR16
47 #define LCD_OUTPUT_BPP			24
48 #define CONFIG_LCD_LOGO
49 #define CONFIG_LCD_INFO
50 #define CONFIG_LCD_INFO_BELOW_LOGO
51 #define CONFIG_SYS_WHITE_ON_BLACK
52 #define CONFIG_ATMEL_HLCD
53 #define CONFIG_ATMEL_LCD_RGB565
54 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
55 
56 #define CONFIG_BOOTDELAY		3
57 
58 /*
59  * BOOTP options
60  */
61 #define CONFIG_BOOTP_BOOTFILESIZE
62 #define CONFIG_BOOTP_BOOTPATH
63 #define CONFIG_BOOTP_GATEWAY
64 #define CONFIG_BOOTP_HOSTNAME
65 
66 /* NOR flash - no real flash on this board */
67 #define CONFIG_SYS_NO_FLASH
68 
69 /*
70  * Command line configuration.
71  */
72 #include <config_cmd_default.h>
73 #undef CONFIG_CMD_FPGA
74 
75 #define CONFIG_CMD_BOOTZ
76 #define CONFIG_CMD_PING
77 #define CONFIG_CMD_DHCP
78 #define CONFIG_CMD_NAND
79 #define CONFIG_CMD_SF
80 #define CONFIG_CMD_MMC
81 #define CONFIG_CMD_FAT
82 #define CONFIG_CMD_USB
83 
84 #define CONFIG_NR_DRAM_BANKS		1
85 #define CONFIG_SYS_SDRAM_BASE		0x20000000
86 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
87 
88 /*
89  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
90  * leaving the correct space for initial global data structure above
91  * that address while providing maximum stack area below.
92  */
93 # define CONFIG_SYS_INIT_SP_ADDR \
94 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
95 
96 /* DataFlash */
97 #ifdef CONFIG_CMD_SF
98 #define CONFIG_ATMEL_SPI
99 #define CONFIG_SPI_FLASH
100 #define CONFIG_SPI_FLASH_ATMEL
101 #define CONFIG_SF_DEFAULT_SPEED		30000000
102 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
103 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
104 #endif
105 
106 /* NAND flash */
107 #ifdef CONFIG_CMD_NAND
108 #define CONFIG_NAND_ATMEL
109 #define CONFIG_SYS_MAX_NAND_DEVICE	1
110 #define CONFIG_SYS_NAND_BASE		0x40000000
111 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
112 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
113 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
114 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
115 
116 /* PMECC & PMERRLOC */
117 #define CONFIG_ATMEL_NAND_HWECC
118 #define CONFIG_ATMEL_NAND_HW_PMECC
119 #define CONFIG_PMECC_CAP		2
120 #define CONFIG_PMECC_SECTOR_SIZE	512
121 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
122 
123 #define CONFIG_CMD_NAND_TRIMFFS
124 
125 #endif
126 
127 #define CONFIG_MTD_PARTITIONS
128 #define CONFIG_MTD_DEVICE
129 #define CONFIG_CMD_MTDPARTS
130 #define MTDIDS_DEFAULT			"nand0=atmel_nand"
131 #define MTDPARTS_DEFAULT						\
132 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
133 	"256k(env),256k(env_redundant),256k(spare),"			\
134 	"512k(dtb),6M(kernel)ro,-(rootfs)"
135 
136 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
137 	"console=console=ttyS0,115200\0"                                \
138 	"mtdparts="MTDPARTS_DEFAULT"\0"					\
139 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
140 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
141 
142 /* MMC */
143 #ifdef CONFIG_CMD_MMC
144 #define CONFIG_MMC
145 #define CONFIG_GENERIC_MMC
146 #define CONFIG_GENERIC_ATMEL_MCI
147 #endif
148 
149 /* FAT */
150 #ifdef CONFIG_CMD_FAT
151 #define CONFIG_DOS_PARTITION
152 #endif
153 
154 /* Ethernet */
155 #define CONFIG_KS8851_MLL
156 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
157 
158 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
159 
160 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
161 #define CONFIG_SYS_MEMTEST_END		0x26e00000
162 
163 /* USB host */
164 #ifdef CONFIG_CMD_USB
165 #define CONFIG_USB_ATMEL
166 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
167 #define CONFIG_USB_OHCI_NEW
168 #define CONFIG_SYS_USB_OHCI_CPU_INIT
169 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
170 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
171 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
172 #define CONFIG_USB_STORAGE
173 #endif
174 
175 #ifdef CONFIG_SYS_USE_SPIFLASH
176 
177 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
178 #define CONFIG_ENV_IS_IN_SPI_FLASH
179 #define CONFIG_ENV_OFFSET		0x5000
180 #define CONFIG_ENV_SIZE			0x3000
181 #define CONFIG_ENV_SECT_SIZE		0x1000
182 #define CONFIG_BOOTCOMMAND						\
183 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
184 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
185 	"bootm 0x22000000"
186 
187 #elif defined(CONFIG_SYS_USE_NANDFLASH)
188 
189 /* bootstrap + u-boot + env + linux in nandflash */
190 #define CONFIG_ENV_IS_IN_NAND
191 #define CONFIG_ENV_OFFSET		0xc0000
192 #define CONFIG_ENV_OFFSET_REDUND	0x100000
193 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
194 #define CONFIG_BOOTCOMMAND						\
195 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
196 	"nand read 0x21000000 0x180000 0x080000;"			\
197 	"nand read 0x22000000 0x200000 0x400000;"			\
198 	"bootm 0x22000000 - 0x21000000"
199 
200 #else /* CONFIG_SYS_USE_MMC */
201 
202 /* bootstrap + u-boot + env + linux in mmc */
203 #define CONFIG_ENV_IS_IN_MMC
204 /* For FAT system, most cases it should be in the reserved sector */
205 #define CONFIG_ENV_OFFSET		0x2000
206 #define CONFIG_ENV_SIZE			0x1000
207 #define CONFIG_SYS_MMC_ENV_DEV		0
208 #define CONFIG_BOOTCOMMAND						\
209 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
210 	"fatload mmc 0:1 0x21000000 dtb;"				\
211 	"fatload mmc 0:1 0x22000000 uImage;"				\
212 	"bootm 0x22000000 - 0x21000000"
213 
214 #endif
215 
216 #define CONFIG_SYS_PROMPT	"U-Boot> "
217 #define CONFIG_SYS_CBSIZE	256
218 #define CONFIG_SYS_MAXARGS	16
219 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) \
220 					+ 16)
221 #define CONFIG_SYS_LONGHELP
222 #define CONFIG_CMDLINE_EDITING
223 #define CONFIG_AUTO_COMPLETE
224 #define CONFIG_SYS_HUSH_PARSER
225 
226 /*
227  * Size of malloc() pool
228  */
229 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
230 #define CONFIG_STACKSIZE	(32 * 1024)	/* regular stack */
231 
232 #endif
233