2 * Copyright (C) 2008 Atmel Corporation
4 * Configuration settings for the Favr-32 EarthLCD LCD kit.
6 * See file CREDITS for list of people who contributed to this project.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * You should have received a copy of the GNU General Public License along with
19 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
20 * Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <asm/arch/hardware.h>
29 #define CONFIG_AT32AP7000
30 #define CONFIG_FAVR32_EZKIT
32 #define CONFIG_FAVR32_EZKIT_EXT_FLASH
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_USART3
86 #define CONFIG_USART_ID 3
88 /* User serviceable stuff */
89 #define CONFIG_DOS_PARTITION
91 #define CONFIG_CMDLINE_TAG
92 #define CONFIG_SETUP_MEMORY_TAGS
93 #define CONFIG_INITRD_TAG
95 #define CONFIG_STACKSIZE (2048)
97 #define CONFIG_BAUDRATE 115200
98 #define CONFIG_BOOTARGS \
99 "root=/dev/mtdblock1 rootfstype=jffs fbmem=1800k"
101 #define CONFIG_BOOTCOMMAND \
102 "fsload; bootm $(fileaddr)"
105 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
106 * data on the serial line may interrupt the boot sequence.
108 #define CONFIG_BOOTDELAY 1
109 #define CONFIG_AUTOBOOT
110 #define CONFIG_AUTOBOOT_KEYED
111 #define CONFIG_AUTOBOOT_PROMPT \
112 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
113 #define CONFIG_AUTOBOOT_DELAY_STR "d"
114 #define CONFIG_AUTOBOOT_STOP_STR " "
117 * After booting the board for the first time, new ethernet addresses
118 * should be generated and assigned to the environment variables
119 * "ethaddr" and "eth1addr". This is normally done during production.
121 #define CONFIG_OVERWRITE_ETHADDR_ONCE
126 #define CONFIG_BOOTP_SUBNETMASK
127 #define CONFIG_BOOTP_GATEWAY
131 * Command line configuration.
133 #include <config_cmd_default.h>
135 #define CONFIG_CMD_ASKENV
136 #define CONFIG_CMD_DHCP
137 #define CONFIG_CMD_EXT2
138 #define CONFIG_CMD_FAT
139 #define CONFIG_CMD_JFFS2
140 #define CONFIG_CMD_MMC
142 #undef CONFIG_CMD_FPGA
143 #undef CONFIG_CMD_SETGETDCR
144 #undef CONFIG_CMD_SOURCE
145 #undef CONFIG_CMD_XIMG
147 #define CONFIG_ATMEL_USART
149 #define CONFIG_PORTMUX_PIO
150 #define CONFIG_SYS_NR_PIOS 5
151 #define CONFIG_SYS_HSDRAMC
153 #define CONFIG_ATMEL_MCI
155 #define CONFIG_SYS_DCACHE_LINESZ 32
156 #define CONFIG_SYS_ICACHE_LINESZ 32
158 #define CONFIG_NR_DRAM_BANKS 1
160 /* External flash on Favr-32 */
162 #define CONFIG_SYS_FLASH_CFI 1
163 #define CONFIG_FLASH_CFI_DRIVER 1
166 #define CONFIG_SYS_FLASH_BASE 0x00000000
167 #define CONFIG_SYS_FLASH_SIZE 0x800000
168 #define CONFIG_SYS_MAX_FLASH_BANKS 1
169 #define CONFIG_SYS_MAX_FLASH_SECT 135
171 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
172 #define CONFIG_SYS_TEXT_BASE 0x00000000
174 #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
175 #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
176 #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
178 #define CONFIG_ENV_IS_IN_FLASH
179 #define CONFIG_ENV_SIZE 65536
180 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - CONFIG_ENV_SIZE)
182 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE)
184 #define CONFIG_SYS_MALLOC_LEN (256*1024)
185 #define CONFIG_SYS_DMA_ALLOC_LEN (16384)
187 /* Allow 4MB for the kernel run-time image */
188 #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
189 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
191 /* Other configuration settings that shouldn't have to change all that often */
192 #define CONFIG_SYS_PROMPT "U-Boot> "
193 #define CONFIG_SYS_CBSIZE 256
194 #define CONFIG_SYS_MAXARGS 16
195 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
196 #define CONFIG_SYS_LONGHELP
198 #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
199 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
200 #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
202 #endif /* __CONFIG_H */