1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2013 Atmel Corporation.
4  * Josh Wu <josh.wu@atmel.com>
5  *
6  * Configuation settings for the AT91SAM9N12-EK boards.
7  */
8 
9 #ifndef __AT91SAM9N12_CONFIG_H_
10 #define __AT91SAM9N12_CONFIG_H_
11 
12 /* ARM asynchronous clock */
13 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
14 #define CONFIG_SYS_AT91_MAIN_CLOCK	16000000	/* main clock xtal */
15 
16 /* Misc CPU related */
17 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
18 #define CONFIG_SETUP_MEMORY_TAGS
19 #define CONFIG_INITRD_TAG
20 #define CONFIG_SKIP_LOWLEVEL_INIT
21 
22 /* LCD */
23 #define LCD_BPP				LCD_COLOR16
24 #define LCD_OUTPUT_BPP			24
25 #define CONFIG_LCD_LOGO
26 #define CONFIG_LCD_INFO
27 #define CONFIG_LCD_INFO_BELOW_LOGO
28 #define CONFIG_ATMEL_HLCD
29 #define CONFIG_ATMEL_LCD_RGB565
30 
31 /*
32  * BOOTP options
33  */
34 #define CONFIG_BOOTP_BOOTFILESIZE
35 
36 #define CONFIG_SYS_SDRAM_BASE		0x20000000
37 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
38 
39 /*
40  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
41  * leaving the correct space for initial global data structure above
42  * that address while providing maximum stack area below.
43  */
44 # define CONFIG_SYS_INIT_SP_ADDR \
45 	(0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
46 
47 /* DataFlash */
48 #ifdef CONFIG_CMD_SF
49 #define CONFIG_SF_DEFAULT_SPEED		30000000
50 #endif
51 
52 /* NAND flash */
53 #ifdef CONFIG_CMD_NAND
54 #define CONFIG_SYS_MAX_NAND_DEVICE	1
55 #define CONFIG_SYS_NAND_BASE		0x40000000
56 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
57 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
58 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
59 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
60 #endif
61 
62 /* PMECC & PMERRLOC */
63 #define CONFIG_ATMEL_NAND_HWECC
64 #define CONFIG_ATMEL_NAND_HW_PMECC
65 #define CONFIG_PMECC_CAP		2
66 #define CONFIG_PMECC_SECTOR_SIZE	512
67 
68 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
69 	"console=console=ttyS0,115200\0"                                \
70 	"mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"					\
71 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
72 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
73 
74 /* Ethernet */
75 #define CONFIG_KS8851_MLL
76 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
77 
78 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
79 
80 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
81 #define CONFIG_SYS_MEMTEST_END		0x26e00000
82 
83 /* USB host */
84 #ifdef CONFIG_CMD_USB
85 #define CONFIG_USB_ATMEL
86 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
87 #define CONFIG_USB_OHCI_NEW
88 #define CONFIG_SYS_USB_OHCI_CPU_INIT
89 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
90 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
91 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
92 #endif
93 
94 #ifdef CONFIG_SPI_BOOT
95 
96 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
97 #define CONFIG_ENV_OFFSET		0x5000
98 #define CONFIG_ENV_SIZE			0x3000
99 #define CONFIG_ENV_SECT_SIZE		0x1000
100 #define CONFIG_BOOTCOMMAND						\
101 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
102 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
103 	"bootm 0x22000000"
104 
105 #elif defined(CONFIG_NAND_BOOT)
106 
107 /* bootstrap + u-boot + env + linux in nandflash */
108 #define CONFIG_ENV_OFFSET		0x140000
109 #define CONFIG_ENV_OFFSET_REDUND	0x100000
110 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
111 #define CONFIG_BOOTCOMMAND						\
112 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
113 	"nand read 0x21000000 0x180000 0x080000;"			\
114 	"nand read 0x22000000 0x200000 0x400000;"			\
115 	"bootm 0x22000000 - 0x21000000"
116 
117 #else /* CONFIG_SD_BOOT */
118 
119 /* bootstrap + u-boot + env + linux in mmc */
120 
121 #ifdef CONFIG_ENV_IS_IN_MMC
122 /* Use raw reserved sectors to save environment */
123 #define CONFIG_ENV_OFFSET		0x2000
124 #define CONFIG_ENV_SIZE			0x1000
125 #define CONFIG_SYS_MMC_ENV_DEV		0
126 #else
127 /* Use file in FAT file to save environment */
128 #define CONFIG_ENV_SIZE			0x4000
129 #endif
130 
131 #define CONFIG_BOOTCOMMAND						\
132 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
133 	"fatload mmc 0:1 0x21000000 dtb;"				\
134 	"fatload mmc 0:1 0x22000000 uImage;"				\
135 	"bootm 0x22000000 - 0x21000000"
136 
137 #endif
138 
139 /*
140  * Size of malloc() pool
141  */
142 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
143 
144 /* SPL */
145 #define CONFIG_SPL_TEXT_BASE		0x300000
146 #define CONFIG_SPL_MAX_SIZE		0x6000
147 #define CONFIG_SPL_STACK		0x308000
148 
149 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
150 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
151 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
152 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
153 
154 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
155 
156 #define CONFIG_SYS_MASTER_CLOCK		132096000
157 #define CONFIG_SYS_AT91_PLLA		0x20953f03
158 #define CONFIG_SYS_MCKR			0x1301
159 #define CONFIG_SYS_MCKR_CSS		0x1302
160 
161 #ifdef CONFIG_SD_BOOT
162 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
163 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
164 
165 #elif CONFIG_SYS_USE_NANDFLASH
166 #elif CONFIG_SPI_BOOT
167 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
168 
169 #elif CONFIG_NAND_BOOT
170 #define CONFIG_SPL_NAND_DRIVERS
171 #define CONFIG_SPL_NAND_BASE
172 #endif
173 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
174 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
175 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
176 #define CONFIG_SYS_NAND_PAGE_COUNT	64
177 #define CONFIG_SYS_NAND_OOBSIZE		64
178 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
179 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
180 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
181 
182 #endif
183