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 /* LCD */
32 #define LCD_BPP				LCD_COLOR16
33 #define LCD_OUTPUT_BPP			24
34 #define CONFIG_LCD_LOGO
35 #define CONFIG_LCD_INFO
36 #define CONFIG_LCD_INFO_BELOW_LOGO
37 #define CONFIG_ATMEL_HLCD
38 #define CONFIG_ATMEL_LCD_RGB565
39 
40 /*
41  * BOOTP options
42  */
43 #define CONFIG_BOOTP_BOOTFILESIZE
44 #define CONFIG_BOOTP_BOOTPATH
45 #define CONFIG_BOOTP_GATEWAY
46 #define CONFIG_BOOTP_HOSTNAME
47 
48 /*
49  * Command line configuration.
50  */
51 #define CONFIG_CMD_NAND
52 
53 #define CONFIG_NR_DRAM_BANKS		1
54 #define CONFIG_SYS_SDRAM_BASE		0x20000000
55 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
56 
57 /*
58  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
59  * leaving the correct space for initial global data structure above
60  * that address while providing maximum stack area below.
61  */
62 # define CONFIG_SYS_INIT_SP_ADDR \
63 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
64 
65 /* DataFlash */
66 #ifdef CONFIG_CMD_SF
67 #define CONFIG_SF_DEFAULT_SPEED		30000000
68 #endif
69 
70 /* NAND flash */
71 #ifdef CONFIG_CMD_NAND
72 #define CONFIG_NAND_ATMEL
73 #define CONFIG_SYS_MAX_NAND_DEVICE	1
74 #define CONFIG_SYS_NAND_BASE		0x40000000
75 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
76 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
77 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
78 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
79 
80 /* PMECC & PMERRLOC */
81 #define CONFIG_ATMEL_NAND_HWECC
82 #define CONFIG_ATMEL_NAND_HW_PMECC
83 #define CONFIG_PMECC_CAP		2
84 #define CONFIG_PMECC_SECTOR_SIZE	512
85 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
86 
87 #define CONFIG_CMD_NAND_TRIMFFS
88 
89 #endif
90 
91 #define CONFIG_MTD_PARTITIONS
92 #define CONFIG_MTD_DEVICE
93 #define CONFIG_CMD_MTDPARTS
94 #define MTDIDS_DEFAULT			"nand0=atmel_nand"
95 #define MTDPARTS_DEFAULT						\
96 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
97 	"256k(env),256k(env_redundant),256k(spare),"			\
98 	"512k(dtb),6M(kernel)ro,-(rootfs)"
99 
100 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
101 	"console=console=ttyS0,115200\0"                                \
102 	"mtdparts="MTDPARTS_DEFAULT"\0"					\
103 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
104 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
105 
106 /* Ethernet */
107 #define CONFIG_KS8851_MLL
108 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
109 
110 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
111 
112 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
113 #define CONFIG_SYS_MEMTEST_END		0x26e00000
114 
115 /* USB host */
116 #ifdef CONFIG_CMD_USB
117 #define CONFIG_USB_ATMEL
118 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
119 #define CONFIG_USB_OHCI_NEW
120 #define CONFIG_SYS_USB_OHCI_CPU_INIT
121 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
122 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
123 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
124 #endif
125 
126 #ifdef CONFIG_SYS_USE_SPIFLASH
127 
128 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
129 #define CONFIG_ENV_IS_IN_SPI_FLASH
130 #define CONFIG_ENV_OFFSET		0x5000
131 #define CONFIG_ENV_SIZE			0x3000
132 #define CONFIG_ENV_SECT_SIZE		0x1000
133 #define CONFIG_BOOTCOMMAND						\
134 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
135 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
136 	"bootm 0x22000000"
137 
138 #elif defined(CONFIG_SYS_USE_NANDFLASH)
139 
140 /* bootstrap + u-boot + env + linux in nandflash */
141 #define CONFIG_ENV_IS_IN_NAND
142 #define CONFIG_ENV_OFFSET		0x120000
143 #define CONFIG_ENV_OFFSET_REDUND	0x100000
144 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
145 #define CONFIG_BOOTCOMMAND						\
146 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
147 	"nand read 0x21000000 0x180000 0x080000;"			\
148 	"nand read 0x22000000 0x200000 0x400000;"			\
149 	"bootm 0x22000000 - 0x21000000"
150 
151 #else /* CONFIG_SYS_USE_MMC */
152 
153 /* bootstrap + u-boot + env + linux in mmc */
154 
155 #ifdef CONFIG_ENV_IS_IN_MMC
156 /* Use raw reserved sectors to save environment */
157 #define CONFIG_ENV_OFFSET		0x2000
158 #define CONFIG_ENV_SIZE			0x1000
159 #define CONFIG_SYS_MMC_ENV_DEV		0
160 #else
161 /* Use file in FAT file to save environment */
162 #define CONFIG_ENV_IS_IN_FAT
163 #define CONFIG_FAT_WRITE
164 #define FAT_ENV_INTERFACE		"mmc"
165 #define FAT_ENV_FILE			"uboot.env"
166 #define FAT_ENV_DEVICE_AND_PART		"0"
167 #define CONFIG_ENV_SIZE			0x4000
168 #endif
169 
170 #define CONFIG_BOOTCOMMAND						\
171 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
172 	"fatload mmc 0:1 0x21000000 dtb;"				\
173 	"fatload mmc 0:1 0x22000000 uImage;"				\
174 	"bootm 0x22000000 - 0x21000000"
175 
176 #endif
177 
178 #define CONFIG_SYS_CBSIZE	256
179 #define CONFIG_SYS_MAXARGS	16
180 #define CONFIG_SYS_LONGHELP
181 #define CONFIG_CMDLINE_EDITING
182 #define CONFIG_AUTO_COMPLETE
183 
184 /*
185  * Size of malloc() pool
186  */
187 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
188 
189 /* SPL */
190 #define CONFIG_SPL_FRAMEWORK
191 #define CONFIG_SPL_TEXT_BASE		0x300000
192 #define CONFIG_SPL_MAX_SIZE		0x6000
193 #define CONFIG_SPL_STACK		0x308000
194 
195 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
196 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
197 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
198 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
199 
200 #define CONFIG_SPL_BOARD_INIT
201 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
202 
203 #define CONFIG_SYS_MASTER_CLOCK		132096000
204 #define CONFIG_SYS_AT91_PLLA		0x20953f03
205 #define CONFIG_SYS_MCKR			0x1301
206 #define CONFIG_SYS_MCKR_CSS		0x1302
207 
208 #ifdef CONFIG_SYS_USE_MMC
209 #define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
210 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
211 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
212 
213 #elif CONFIG_SYS_USE_NANDFLASH
214 #define CONFIG_SPL_NAND_DRIVERS
215 #define CONFIG_SPL_NAND_BASE
216 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
217 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
218 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
219 #define CONFIG_SYS_NAND_PAGE_COUNT	64
220 #define CONFIG_SYS_NAND_OOBSIZE		64
221 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
222 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
223 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
224 
225 #elif CONFIG_SYS_USE_SPIFLASH
226 #define CONFIG_SPL_SPI_LOAD
227 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
228 
229 #endif
230 
231 #endif
232