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_NR_DRAM_BANKS		1
37 #define CONFIG_SYS_SDRAM_BASE		0x20000000
38 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
39 
40 /*
41  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
42  * leaving the correct space for initial global data structure above
43  * that address while providing maximum stack area below.
44  */
45 # define CONFIG_SYS_INIT_SP_ADDR \
46 	(0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
47 
48 /* DataFlash */
49 #ifdef CONFIG_CMD_SF
50 #define CONFIG_SF_DEFAULT_SPEED		30000000
51 #endif
52 
53 /* NAND flash */
54 #ifdef CONFIG_CMD_NAND
55 #define CONFIG_NAND_ATMEL
56 #define CONFIG_SYS_MAX_NAND_DEVICE	1
57 #define CONFIG_SYS_NAND_BASE		0x40000000
58 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
59 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
60 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
61 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
62 #endif
63 
64 /* PMECC & PMERRLOC */
65 #define CONFIG_ATMEL_NAND_HWECC
66 #define CONFIG_ATMEL_NAND_HW_PMECC
67 #define CONFIG_PMECC_CAP		2
68 #define CONFIG_PMECC_SECTOR_SIZE	512
69 
70 #define CONFIG_MTD_PARTITIONS
71 #define CONFIG_MTD_DEVICE
72 
73 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
74 	"console=console=ttyS0,115200\0"                                \
75 	"mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"					\
76 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
77 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
78 
79 /* Ethernet */
80 #define CONFIG_KS8851_MLL
81 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
82 
83 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
84 
85 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
86 #define CONFIG_SYS_MEMTEST_END		0x26e00000
87 
88 /* USB host */
89 #ifdef CONFIG_CMD_USB
90 #define CONFIG_USB_ATMEL
91 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
92 #define CONFIG_USB_OHCI_NEW
93 #define CONFIG_SYS_USB_OHCI_CPU_INIT
94 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
95 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
96 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
97 #endif
98 
99 #ifdef CONFIG_SPI_BOOT
100 
101 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
102 #define CONFIG_ENV_OFFSET		0x5000
103 #define CONFIG_ENV_SIZE			0x3000
104 #define CONFIG_ENV_SECT_SIZE		0x1000
105 #define CONFIG_BOOTCOMMAND						\
106 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
107 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
108 	"bootm 0x22000000"
109 
110 #elif defined(CONFIG_NAND_BOOT)
111 
112 /* bootstrap + u-boot + env + linux in nandflash */
113 #define CONFIG_ENV_OFFSET		0x140000
114 #define CONFIG_ENV_OFFSET_REDUND	0x100000
115 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
116 #define CONFIG_BOOTCOMMAND						\
117 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
118 	"nand read 0x21000000 0x180000 0x080000;"			\
119 	"nand read 0x22000000 0x200000 0x400000;"			\
120 	"bootm 0x22000000 - 0x21000000"
121 
122 #else /* CONFIG_SD_BOOT */
123 
124 /* bootstrap + u-boot + env + linux in mmc */
125 
126 #ifdef CONFIG_ENV_IS_IN_MMC
127 /* Use raw reserved sectors to save environment */
128 #define CONFIG_ENV_OFFSET		0x2000
129 #define CONFIG_ENV_SIZE			0x1000
130 #define CONFIG_SYS_MMC_ENV_DEV		0
131 #else
132 /* Use file in FAT file to save environment */
133 #define CONFIG_ENV_SIZE			0x4000
134 #endif
135 
136 #define CONFIG_BOOTCOMMAND						\
137 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
138 	"fatload mmc 0:1 0x21000000 dtb;"				\
139 	"fatload mmc 0:1 0x22000000 uImage;"				\
140 	"bootm 0x22000000 - 0x21000000"
141 
142 #endif
143 
144 /*
145  * Size of malloc() pool
146  */
147 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
148 
149 /* SPL */
150 #define CONFIG_SPL_TEXT_BASE		0x300000
151 #define CONFIG_SPL_MAX_SIZE		0x6000
152 #define CONFIG_SPL_STACK		0x308000
153 
154 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
155 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
156 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
157 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
158 
159 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
160 
161 #define CONFIG_SYS_MASTER_CLOCK		132096000
162 #define CONFIG_SYS_AT91_PLLA		0x20953f03
163 #define CONFIG_SYS_MCKR			0x1301
164 #define CONFIG_SYS_MCKR_CSS		0x1302
165 
166 #ifdef CONFIG_SD_BOOT
167 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
168 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
169 
170 #elif CONFIG_SYS_USE_NANDFLASH
171 #elif CONFIG_SPI_BOOT
172 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
173 
174 #elif CONFIG_NAND_BOOT
175 #define CONFIG_SPL_NAND_DRIVERS
176 #define CONFIG_SPL_NAND_BASE
177 #endif
178 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
179 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
180 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
181 #define CONFIG_SYS_NAND_PAGE_COUNT	64
182 #define CONFIG_SYS_NAND_OOBSIZE		64
183 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
184 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
185 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
186 
187 #endif
188