2 * Copyright (C) 2008 Atmel Corporation
4 * Configuration settings for the Favr-32 EarthLCD LCD kit.
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/hardware.h>
15 #define CONFIG_AT32AP7000
16 #define CONFIG_FAVR32_EZKIT
18 #define CONFIG_FAVR32_EZKIT_EXT_FLASH
21 * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
22 * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
24 * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
27 #define CONFIG_SYS_POWER_MANAGER
28 #define CONFIG_SYS_OSC0_HZ 20000000
29 #define CONFIG_SYS_PLL0_DIV 1
30 #define CONFIG_SYS_PLL0_MUL 7
31 #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
33 * Set the CPU running at:
34 * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
36 #define CONFIG_SYS_CLKDIV_CPU 0
38 * Set the HSB running at:
39 * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
41 #define CONFIG_SYS_CLKDIV_HSB 1
43 * Set the PBA running at:
44 * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
46 #define CONFIG_SYS_CLKDIV_PBA 2
48 * Set the PBB running at:
49 * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
51 #define CONFIG_SYS_CLKDIV_PBB 1
53 /* Reserve VM regions for SDRAM and NOR flash */
54 #define CONFIG_SYS_NR_VM_REGIONS 2
57 * The PLLOPT register controls the PLL like this:
61 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
63 #define CONFIG_SYS_PLL0_OPT 0x04
65 #define CONFIG_USART_BASE ATMEL_BASE_USART3
66 #define CONFIG_USART_ID 3
68 /* User serviceable stuff */
69 #define CONFIG_DOS_PARTITION
71 #define CONFIG_CMDLINE_TAG
72 #define CONFIG_SETUP_MEMORY_TAGS
73 #define CONFIG_INITRD_TAG
75 #define CONFIG_STACKSIZE (2048)
77 #define CONFIG_BAUDRATE 115200
78 #define CONFIG_BOOTARGS \
79 "root=/dev/mtdblock1 rootfstype=jffs fbmem=1800k"
81 #define CONFIG_BOOTCOMMAND \
82 "fsload; bootm $(fileaddr)"
85 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
86 * data on the serial line may interrupt the boot sequence.
88 #define CONFIG_BOOTDELAY 1
89 #define CONFIG_AUTOBOOT
90 #define CONFIG_AUTOBOOT_KEYED
91 #define CONFIG_AUTOBOOT_PROMPT \
92 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
93 #define CONFIG_AUTOBOOT_DELAY_STR "d"
94 #define CONFIG_AUTOBOOT_STOP_STR " "
97 * After booting the board for the first time, new ethernet addresses
98 * should be generated and assigned to the environment variables
99 * "ethaddr" and "eth1addr". This is normally done during production.
101 #define CONFIG_OVERWRITE_ETHADDR_ONCE
106 #define CONFIG_BOOTP_SUBNETMASK
107 #define CONFIG_BOOTP_GATEWAY
111 * Command line configuration.
113 #include <config_cmd_default.h>
115 #define CONFIG_CMD_ASKENV
116 #define CONFIG_CMD_DHCP
117 #define CONFIG_CMD_EXT2
118 #define CONFIG_CMD_FAT
119 #define CONFIG_CMD_JFFS2
120 #define CONFIG_CMD_MMC
122 #undef CONFIG_CMD_FPGA
123 #undef CONFIG_CMD_SETGETDCR
124 #undef CONFIG_CMD_SOURCE
125 #undef CONFIG_CMD_XIMG
127 #define CONFIG_ATMEL_USART
129 #define CONFIG_PORTMUX_PIO
130 #define CONFIG_SYS_NR_PIOS 5
131 #define CONFIG_SYS_HSDRAMC
133 #define CONFIG_GENERIC_ATMEL_MCI
134 #define CONFIG_GENERIC_MMC
136 #define CONFIG_SYS_DCACHE_LINESZ 32
137 #define CONFIG_SYS_ICACHE_LINESZ 32
139 #define CONFIG_NR_DRAM_BANKS 1
141 /* External flash on Favr-32 */
143 #define CONFIG_SYS_FLASH_CFI 1
144 #define CONFIG_FLASH_CFI_DRIVER 1
147 #define CONFIG_SYS_FLASH_BASE 0x00000000
148 #define CONFIG_SYS_FLASH_SIZE 0x800000
149 #define CONFIG_SYS_MAX_FLASH_BANKS 1
150 #define CONFIG_SYS_MAX_FLASH_SECT 135
152 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
153 #define CONFIG_SYS_TEXT_BASE 0x00000000
155 #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
156 #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
157 #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
159 #define CONFIG_ENV_IS_IN_FLASH
160 #define CONFIG_ENV_SIZE 65536
161 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - CONFIG_ENV_SIZE)
163 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE)
165 #define CONFIG_SYS_MALLOC_LEN (256*1024)
166 #define CONFIG_SYS_DMA_ALLOC_LEN (16384)
168 /* Allow 4MB for the kernel run-time image */
169 #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
170 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
172 /* Other configuration settings that shouldn't have to change all that often */
173 #define CONFIG_SYS_PROMPT "U-Boot> "
174 #define CONFIG_SYS_CBSIZE 256
175 #define CONFIG_SYS_MAXARGS 16
176 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
177 #define CONFIG_SYS_LONGHELP
179 #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
180 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
181 #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
183 #endif /* __CONFIG_H */