1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
8 * Achim Ehrlich <aehrlich@taskit.de>
9 * taskit GmbH <www.taskit.de>
12 * Markus Hubig <mhubig@imko.de>
13 * IMKO GmbH <www.imko.de>
16 * Heiko Schocher <hs@denx.de>
17 * DENX Software Engineering GmbH
19 * Configuation settings for the smartweb.
26 * SoC must be defined first, before hardware.h is included.
27 * In this case SoC is defined in boards.cfg.
29 #include <asm/hardware.h>
30 #include <linux/sizes.h>
33 * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
34 * program. Since the linker has to swallow that define, we must use a pure
38 /* ARM asynchronous clock */
39 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
40 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
44 /* We set the max number of command args high to avoid HUSH bugs. */
45 #define CONFIG_SYS_MAXARGS 32
47 /* setting board specific options */
48 #define CONFIG_SYS_AUTOLOAD "yes"
49 #define CONFIG_RESET_TO_RETRY
52 #define CONFIG_RED_LED AT91_PIN_PA9
53 #define CONFIG_GREEN_LED AT91_PIN_PA6
56 * SDRAM: 1 bank, 64 MB, base address 0x20000000
57 * Already initialized before u-boot gets started.
59 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
60 #define CONFIG_SYS_SDRAM_SIZE (64 * SZ_1M)
63 * Perform a SDRAM Memtest from the start of SDRAM
64 * till the beginning of the U-Boot position in RAM.
67 /* NAND flash settings */
68 #define CONFIG_SYS_MAX_NAND_DEVICE 1
69 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
70 #define CONFIG_SYS_NAND_DBW_8
71 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
72 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
73 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
74 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
76 /* general purpose I/O */
77 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
78 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
81 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
82 #define CONFIG_USART_ID ATMEL_ID_SYS
85 * Ethernet configuration
88 #define CONFIG_RMII /* use reduced MII inteface */
89 #define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
90 #define CONFIG_AT91_WANTS_COMMON_PHY
92 /* BOOTP and DHCP options */
93 #define CONFIG_BOOTP_BOOTFILESIZE
95 #if !defined(CONFIG_SPL_BUILD)
96 /* USB configuration */
97 #define CONFIG_USB_ATMEL
98 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
99 #define CONFIG_USB_OHCI_NEW
100 #define CONFIG_SYS_USB_OHCI_CPU_INIT
101 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
102 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
103 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
105 /* USB DFU support */
107 #define CONFIG_USB_GADGET_AT91
109 /* DFU class support */
110 #define DFU_MANIFEST_POLL_TIMEOUT 25000
113 /* General Boot Parameter */
114 #define CONFIG_SYS_CBSIZE 512
117 * The NAND Flash partitions:
119 #define CONFIG_ENV_RANGE (SZ_512K)
122 * Predefined environment variables.
123 * Usefull to define some easy to use boot commands.
125 #define CONFIG_EXTRA_ENV_SETTINGS \
127 "basicargs=console=ttyS0,115200\0" \
129 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"
131 #ifdef CONFIG_SPL_BUILD
132 #define CONFIG_SYS_INIT_SP_ADDR 0x301000
135 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
136 * leaving the correct space for initial global data structure above that
137 * address while providing maximum stack area below.
139 #define CONFIG_SYS_INIT_SP_ADDR \
140 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
143 /* Defines for SPL */
144 #define CONFIG_SPL_MAX_SIZE (SZ_4K)
146 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SYS_SDRAM_BASE
147 #define CONFIG_SPL_BSS_MAX_SIZE (SZ_16K)
148 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
149 CONFIG_SPL_BSS_MAX_SIZE)
150 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
152 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
153 #define CONFIG_SYS_USE_NANDFLASH 1
154 #define CONFIG_SPL_NAND_RAW_ONLY
155 #define CONFIG_SPL_NAND_SOFTECC
156 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K
157 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
158 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
160 #define CONFIG_SYS_NAND_SIZE (SZ_256M)
161 #define CONFIG_SYS_NAND_ECCSIZE 256
162 #define CONFIG_SYS_NAND_ECCBYTES 3
163 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
164 48, 49, 50, 51, 52, 53, 54, 55, \
165 56, 57, 58, 59, 60, 61, 62, 63, }
167 #define CONFIG_SPL_ATMEL_SIZE
168 #define CONFIG_SYS_MASTER_CLOCK (198656000/2)
169 #define AT91_PLL_LOCK_TIMEOUT 1000000
170 #define CONFIG_SYS_AT91_PLLA 0x2060bf09
171 #define CONFIG_SYS_MCKR 0x100
172 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
173 #define CONFIG_SYS_AT91_PLLB 0x10483f0e
175 #define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS
176 #define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO
178 #endif /* __CONFIG_H */