3 * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
5 * Configuration settings for the grasshopper (ICnova AP7000) board
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #ifndef __GRASSHOPPER_CONFIG_H
26 #define __GRASSHOPPER_CONFIG_H
28 #include <asm/arch/hardware.h>
32 #define CONFIG_AT32AP7000
35 * Timer clock frequency. We're using the CPU-internal COUNT register
36 * for this, so this is equivalent to the CPU core clock frequency
38 #define CONFIG_SYS_HZ 1000
41 * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
42 * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
44 * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
47 #define CONFIG_SYS_POWER_MANAGER
48 #define CONFIG_SYS_OSC0_HZ 20000000
49 #define CONFIG_SYS_PLL0_DIV 1
50 #define CONFIG_SYS_PLL0_MUL 7
51 #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
53 * Set the CPU running at:
54 * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
56 #define CONFIG_SYS_CLKDIV_CPU 0
58 * Set the HSB running at:
59 * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
61 #define CONFIG_SYS_CLKDIV_HSB 1
63 * Set the PBA running at:
64 * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
66 #define CONFIG_SYS_CLKDIV_PBA 2
68 * Set the PBB running at:
69 * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
71 #define CONFIG_SYS_CLKDIV_PBB 1
73 /* Reserve VM regions for SDRAM and NOR flash */
74 #define CONFIG_SYS_NR_VM_REGIONS 2
77 * The PLLOPT register controls the PLL like this:
81 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
83 #define CONFIG_SYS_PLL0_OPT 0x04
85 #define CONFIG_USART_BASE ATMEL_BASE_USART1
86 #define CONFIG_USART_ID 1
88 /* User serviceable stuff */
89 #define CONFIG_CMDLINE_TAG
90 #define CONFIG_SETUP_MEMORY_TAGS
91 #define CONFIG_INITRD_TAG
93 #define CONFIG_STACKSIZE (2048)
95 #define CONFIG_BAUDRATE 115200
98 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
99 * data on the serial line may interrupt the boot sequence.
101 #define CONFIG_BOOTDELAY 1
102 #define CONFIG_AUTOBOOT
103 #define CONFIG_AUTOBOOT_KEYED
104 #define CONFIG_AUTOBOOT_PROMPT "Press SPACE to abort autoboot in %d" \
105 " seconds\n", bootdelay
106 #define CONFIG_AUTOBOOT_DELAY_STR "d"
107 #define CONFIG_AUTOBOOT_STOP_STR " "
110 * After booting the board for the first time, new ethernet addresses
111 * should be generated and assigned to the environment variables
112 * "ethaddr". This is normally done during production.
114 #define CONFIG_OVERWRITE_ETHADDR_ONCE
119 #define CONFIG_BOOTP_SUBNETMASK
120 #define CONFIG_BOOTP_GATEWAY
123 * Command line configuration.
125 #include <config_cmd_default.h>
127 /* remove unneeded commands */
128 #undef CONFIG_CMD_FPGA
129 #undef CONFIG_CMD_SETGETDCR
131 /* add useful commands */
132 #define CONFIG_CMD_ASKENV
133 #define CONFIG_CMD_DHCP
134 #define CONFIG_CMD_JFFS2
135 #define CONFIG_CMD_PING
136 #define CONFIG_CMD_REGINFO
138 #define CONFIG_SYS_HUSH_PARSER
139 #define CONFIG_AUTO_COMPLETE
140 #define CONFIG_SYS_PROMPT_HUSH_PS2 "~> "
141 #define CONFIG_CMDLINE_EDITING
143 #define CONFIG_ATMEL_USART
145 #define CONFIG_PORTMUX_PIO
146 #define CONFIG_SYS_NR_PIOS 5
147 #define CONFIG_SYS_HSDRAMC
149 #define CONFIG_SYS_DCACHE_LINESZ 32
150 #define CONFIG_SYS_ICACHE_LINESZ 32
152 #define CONFIG_NR_DRAM_BANKS 1
154 #define CONFIG_SYS_FLASH_CFI
155 #define CONFIG_FLASH_CFI_DRIVER
157 #define CONFIG_SYS_FLASH_BASE 0x00000000
158 #define CONFIG_SYS_FLASH_SIZE 0x800000
159 #define CONFIG_SYS_MAX_FLASH_BANKS 1
160 #define CONFIG_SYS_MAX_FLASH_SECT 135
162 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
163 #define CONFIG_SYS_TEXT_BASE 0x00000000
165 #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
166 #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
167 #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
169 #define CONFIG_ENV_IS_IN_FLASH
170 /* place u-boot env in flash sector after u-boot */
171 #define CONFIG_ENV_SIZE 0x10000
172 #define CONFIG_ENV_ADDR 0x20000
174 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \
175 CONFIG_SYS_INTRAM_SIZE)
177 #define CONFIG_SYS_MALLOC_LEN (256*1024)
178 #define CONFIG_SYS_DMA_ALLOC_LEN (16384)
180 /* Allow 4MB for the kernel run-time image */
181 #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
182 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
184 /* Other configuration settings that shouldn't have to change all that often */
185 #define CONFIG_SYS_PROMPT "U-Boot> "
186 #define CONFIG_SYS_CBSIZE 256
187 #define CONFIG_SYS_MAXARGS 16
188 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
189 sizeof(CONFIG_SYS_PROMPT) + 16)
190 #define CONFIG_SYS_LONGHELP
192 #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
193 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
194 #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
196 #endif /* __GRASSHOPPER_CONFIG_H */
197 /* vim: set ts=8 noet: */