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 
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
38 #define CONFIG_BAUDRATE			115200
39 
40 /* LCD */
41 #define LCD_BPP				LCD_COLOR16
42 #define LCD_OUTPUT_BPP			24
43 #define CONFIG_LCD_LOGO
44 #define CONFIG_LCD_INFO
45 #define CONFIG_LCD_INFO_BELOW_LOGO
46 #define CONFIG_SYS_WHITE_ON_BLACK
47 #define CONFIG_ATMEL_HLCD
48 #define CONFIG_ATMEL_LCD_RGB565
49 
50 
51 /*
52  * BOOTP options
53  */
54 #define CONFIG_BOOTP_BOOTFILESIZE
55 #define CONFIG_BOOTP_BOOTPATH
56 #define CONFIG_BOOTP_GATEWAY
57 #define CONFIG_BOOTP_HOSTNAME
58 
59 /*
60  * Command line configuration.
61  */
62 #define CONFIG_CMD_NAND
63 
64 #define CONFIG_NR_DRAM_BANKS		1
65 #define CONFIG_SYS_SDRAM_BASE		0x20000000
66 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
67 
68 /*
69  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
70  * leaving the correct space for initial global data structure above
71  * that address while providing maximum stack area below.
72  */
73 # define CONFIG_SYS_INIT_SP_ADDR \
74 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
75 
76 /* DataFlash */
77 #ifdef CONFIG_CMD_SF
78 #define CONFIG_ATMEL_SPI
79 #define CONFIG_SF_DEFAULT_SPEED		30000000
80 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
81 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
82 #endif
83 
84 /* NAND flash */
85 #ifdef CONFIG_CMD_NAND
86 #define CONFIG_NAND_ATMEL
87 #define CONFIG_SYS_MAX_NAND_DEVICE	1
88 #define CONFIG_SYS_NAND_BASE		0x40000000
89 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
90 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
91 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
92 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
93 
94 /* PMECC & PMERRLOC */
95 #define CONFIG_ATMEL_NAND_HWECC
96 #define CONFIG_ATMEL_NAND_HW_PMECC
97 #define CONFIG_PMECC_CAP		2
98 #define CONFIG_PMECC_SECTOR_SIZE	512
99 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
100 
101 #define CONFIG_CMD_NAND_TRIMFFS
102 
103 #endif
104 
105 #define CONFIG_MTD_PARTITIONS
106 #define CONFIG_MTD_DEVICE
107 #define CONFIG_CMD_MTDPARTS
108 #define MTDIDS_DEFAULT			"nand0=atmel_nand"
109 #define MTDPARTS_DEFAULT						\
110 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
111 	"256k(env),256k(env_redundant),256k(spare),"			\
112 	"512k(dtb),6M(kernel)ro,-(rootfs)"
113 
114 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
115 	"console=console=ttyS0,115200\0"                                \
116 	"mtdparts="MTDPARTS_DEFAULT"\0"					\
117 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
118 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
119 
120 /* MMC */
121 #ifdef CONFIG_CMD_MMC
122 #define CONFIG_GENERIC_ATMEL_MCI
123 #endif
124 
125 /* Ethernet */
126 #define CONFIG_KS8851_MLL
127 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
128 
129 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
130 
131 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
132 #define CONFIG_SYS_MEMTEST_END		0x26e00000
133 
134 /* USB host */
135 #ifdef CONFIG_CMD_USB
136 #define CONFIG_USB_ATMEL
137 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
138 #define CONFIG_USB_OHCI_NEW
139 #define CONFIG_SYS_USB_OHCI_CPU_INIT
140 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
141 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
142 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
143 #endif
144 
145 #ifdef CONFIG_SYS_USE_SPIFLASH
146 
147 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
148 #define CONFIG_ENV_IS_IN_SPI_FLASH
149 #define CONFIG_ENV_OFFSET		0x5000
150 #define CONFIG_ENV_SIZE			0x3000
151 #define CONFIG_ENV_SECT_SIZE		0x1000
152 #define CONFIG_BOOTCOMMAND						\
153 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
154 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
155 	"bootm 0x22000000"
156 
157 #elif defined(CONFIG_SYS_USE_NANDFLASH)
158 
159 /* bootstrap + u-boot + env + linux in nandflash */
160 #define CONFIG_ENV_IS_IN_NAND
161 #define CONFIG_ENV_OFFSET		0xc0000
162 #define CONFIG_ENV_OFFSET_REDUND	0x100000
163 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
164 #define CONFIG_BOOTCOMMAND						\
165 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
166 	"nand read 0x21000000 0x180000 0x080000;"			\
167 	"nand read 0x22000000 0x200000 0x400000;"			\
168 	"bootm 0x22000000 - 0x21000000"
169 
170 #else /* CONFIG_SYS_USE_MMC */
171 
172 /* bootstrap + u-boot + env + linux in mmc */
173 
174 #ifdef CONFIG_ENV_IS_IN_MMC
175 /* Use raw reserved sectors to save environment */
176 #define CONFIG_ENV_OFFSET		0x2000
177 #define CONFIG_ENV_SIZE			0x1000
178 #define CONFIG_SYS_MMC_ENV_DEV		0
179 #else
180 /* Use file in FAT file to save environment */
181 #define CONFIG_ENV_IS_IN_FAT
182 #define CONFIG_FAT_WRITE
183 #define FAT_ENV_INTERFACE		"mmc"
184 #define FAT_ENV_FILE			"uboot.env"
185 #define FAT_ENV_DEVICE_AND_PART		"0"
186 #define CONFIG_ENV_SIZE			0x4000
187 #endif
188 
189 #define CONFIG_BOOTCOMMAND						\
190 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
191 	"fatload mmc 0:1 0x21000000 dtb;"				\
192 	"fatload mmc 0:1 0x22000000 uImage;"				\
193 	"bootm 0x22000000 - 0x21000000"
194 
195 #endif
196 
197 #define CONFIG_SYS_CBSIZE	256
198 #define CONFIG_SYS_MAXARGS	16
199 #define CONFIG_SYS_LONGHELP
200 #define CONFIG_CMDLINE_EDITING
201 #define CONFIG_AUTO_COMPLETE
202 
203 /*
204  * Size of malloc() pool
205  */
206 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
207 
208 /* SPL */
209 #define CONFIG_SPL_FRAMEWORK
210 #define CONFIG_SPL_TEXT_BASE		0x300000
211 #define CONFIG_SPL_MAX_SIZE		0x6000
212 #define CONFIG_SPL_STACK		0x308000
213 
214 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
215 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
216 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
217 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
218 
219 #define CONFIG_SPL_BOARD_INIT
220 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
221 
222 #define CONFIG_SYS_MASTER_CLOCK		132096000
223 #define CONFIG_SYS_AT91_PLLA		0x20953f03
224 #define CONFIG_SYS_MCKR			0x1301
225 #define CONFIG_SYS_MCKR_CSS		0x1302
226 
227 #ifdef CONFIG_SYS_USE_MMC
228 #define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
229 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
230 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
231 
232 #elif CONFIG_SYS_USE_NANDFLASH
233 #define CONFIG_SPL_NAND_DRIVERS
234 #define CONFIG_SPL_NAND_BASE
235 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
236 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
237 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
238 #define CONFIG_SYS_NAND_PAGE_COUNT	64
239 #define CONFIG_SYS_NAND_OOBSIZE		64
240 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
241 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
242 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
243 
244 #elif CONFIG_SYS_USE_SPIFLASH
245 #define CONFIG_SPL_SPI_LOAD
246 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
247 
248 #endif
249 
250 #endif
251