2 * Copyright (C) 2008 Miromico AG
4 * Configuration settings for the Miromico Hammerhead AVR32 board
6 * SPDX-License-Identifier: GPL-2.0+
13 #define CONFIG_AT32AP7000
14 #define CONFIG_HAMMERHEAD
16 #define CONFIG_SYS_HZ 1000
19 * Set up the PLL to run at 125 MHz, the CPU to run at the PLL
20 * frequency, the HSB and PBB busses to run at 1/2 the PLL frequency
21 * and the PBA bus to run at 1/4 the PLL frequency.
24 #define CONFIG_SYS_POWER_MANAGER
25 #define CONFIG_SYS_OSC0_HZ 25000000
26 #define CONFIG_SYS_PLL0_DIV 1
27 #define CONFIG_SYS_PLL0_MUL 5
28 #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
29 #define CONFIG_SYS_CLKDIV_CPU 0
30 #define CONFIG_SYS_CLKDIV_HSB 1
31 #define CONFIG_SYS_CLKDIV_PBA 2
32 #define CONFIG_SYS_CLKDIV_PBB 1
34 /* Reserve VM regions for SDRAM and NOR flash */
35 #define CONFIG_SYS_NR_VM_REGIONS 2
38 * The PLLOPT register controls the PLL like this:
42 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
44 #define CONFIG_SYS_PLL0_OPT 0x04
46 #define CONFIG_USART_BASE ATMEL_BASE_USART1
47 #define CONFIG_USART_ID 1
49 #define CONFIG_HOSTNAME hammerhead
51 /* User serviceable stuff */
52 #define CONFIG_DOS_PARTITION
54 #define CONFIG_CMDLINE_TAG
55 #define CONFIG_SETUP_MEMORY_TAGS
56 #define CONFIG_INITRD_TAG
58 #define CONFIG_STACKSIZE (2048)
60 #define CONFIG_BAUDRATE 115200
61 #define CONFIG_BOOTARGS \
62 "console=ttyS0 root=mtd1 rootfstype=jffs2"
63 #define CONFIG_BOOTCOMMAND \
67 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
68 * data on the serial line may interrupt the boot sequence.
70 #define CONFIG_BOOTDELAY 1
71 #define CONFIG_AUTOBOOT
72 #define CONFIG_AUTOBOOT_KEYED
73 #define CONFIG_AUTOBOOT_PROMPT \
74 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
75 #define CONFIG_AUTOBOOT_DELAY_STR "d"
76 #define CONFIG_AUTOBOOT_STOP_STR " "
79 * After booting the board for the first time, new ethernet address
80 * should be generated and assigned to the environment variables
81 * "ethaddr". This is normally done during production.
83 #define CONFIG_OVERWRITE_ETHADDR_ONCE
88 #define CONFIG_BOOTP_SUBNETMASK
89 #define CONFIG_BOOTP_GATEWAY
92 * Command line configuration.
94 #include <config_cmd_default.h>
96 #define CONFIG_CMD_ASKENV
97 #define CONFIG_CMD_DHCP
98 #define CONFIG_CMD_EXT2
99 #define CONFIG_CMD_FAT
100 #define CONFIG_CMD_JFFS2
101 #define CONFIG_CMD_MMC
102 #undef CONFIG_CMD_FPGA
103 #undef CONFIG_CMD_SETGETDCR
105 #define CONFIG_ATMEL_USART
107 #define CONFIG_PORTMUX_PIO
108 #define CONFIG_SYS_NR_PIOS 5
109 #define CONFIG_SYS_HSDRAMC
111 #define CONFIG_GENERIC_ATMEL_MCI
112 #define CONFIG_GENERIC_MMC
114 #define CONFIG_SYS_DCACHE_LINESZ 32
115 #define CONFIG_SYS_ICACHE_LINESZ 32
117 #define CONFIG_NR_DRAM_BANKS 1
119 #define CONFIG_SYS_FLASH_CFI
120 #define CONFIG_FLASH_CFI_DRIVER
122 #define CONFIG_SYS_FLASH_BASE 0x00000000
123 #define CONFIG_SYS_FLASH_SIZE 0x800000
124 #define CONFIG_SYS_MAX_FLASH_BANKS 1
125 #define CONFIG_SYS_MAX_FLASH_SECT 135
127 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
128 #define CONFIG_SYS_TEXT_BASE 0x00000000
130 #define CONFIG_SYS_INTRAM_BASE 0x24000000
131 #define CONFIG_SYS_INTRAM_SIZE 0x8000
133 #define CONFIG_SYS_SDRAM_BASE 0x10000000
135 #define CONFIG_ENV_IS_IN_FLASH
136 #define CONFIG_ENV_SIZE 65536
137 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - CONFIG_ENV_SIZE)
139 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE)
141 #define CONFIG_SYS_MALLOC_LEN (256*1024)
143 #define CONFIG_SYS_DMA_ALLOC_LEN (16384)
145 /* Allow 4MB for the kernel run-time image */
146 #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00400000)
147 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
149 /* Other configuration settings that shouldn't have to change all that often */
150 #define CONFIG_SYS_PROMPT "Hammerhead> "
151 #define CONFIG_SYS_CBSIZE 256
152 #define CONFIG_SYS_MAXARGS 16
153 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
154 #define CONFIG_SYS_LONGHELP
156 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
157 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x1f00000)
159 #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
161 #endif /* __CONFIG_H */