3 * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
5 * Configuration settings for the grasshopper (ICnova AP7000) board
7 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef __GRASSHOPPER_CONFIG_H
10 #define __GRASSHOPPER_CONFIG_H
12 #include <asm/arch/hardware.h>
16 #define CONFIG_AT32AP7000
19 * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
20 * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
22 * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
25 #define CONFIG_SYS_POWER_MANAGER
26 #define CONFIG_SYS_OSC0_HZ 20000000
27 #define CONFIG_SYS_PLL0_DIV 1
28 #define CONFIG_SYS_PLL0_MUL 7
29 #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
31 * Set the CPU running at:
32 * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
34 #define CONFIG_SYS_CLKDIV_CPU 0
36 * Set the HSB running at:
37 * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
39 #define CONFIG_SYS_CLKDIV_HSB 1
41 * Set the PBA running at:
42 * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
44 #define CONFIG_SYS_CLKDIV_PBA 2
46 * Set the PBB running at:
47 * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
49 #define CONFIG_SYS_CLKDIV_PBB 1
51 /* Reserve VM regions for SDRAM and NOR flash */
52 #define CONFIG_SYS_NR_VM_REGIONS 2
55 * The PLLOPT register controls the PLL like this:
59 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
61 #define CONFIG_SYS_PLL0_OPT 0x04
63 #define CONFIG_USART_BASE ATMEL_BASE_USART1
64 #define CONFIG_USART_ID 1
66 /* User serviceable stuff */
67 #define CONFIG_CMDLINE_TAG
68 #define CONFIG_SETUP_MEMORY_TAGS
69 #define CONFIG_INITRD_TAG
71 #define CONFIG_STACKSIZE (2048)
73 #define CONFIG_BAUDRATE 115200
76 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
77 * data on the serial line may interrupt the boot sequence.
79 #define CONFIG_BOOTDELAY 1
80 #define CONFIG_AUTOBOOT
81 #define CONFIG_AUTOBOOT_KEYED
82 #define CONFIG_AUTOBOOT_PROMPT "Press SPACE to abort autoboot in %d" \
83 " seconds\n", bootdelay
84 #define CONFIG_AUTOBOOT_DELAY_STR "d"
85 #define CONFIG_AUTOBOOT_STOP_STR " "
88 * After booting the board for the first time, new ethernet addresses
89 * should be generated and assigned to the environment variables
90 * "ethaddr". This is normally done during production.
92 #define CONFIG_OVERWRITE_ETHADDR_ONCE
97 #define CONFIG_BOOTP_SUBNETMASK
98 #define CONFIG_BOOTP_GATEWAY
101 * Command line configuration.
103 #include <config_cmd_default.h>
105 /* remove unneeded commands */
106 #undef CONFIG_CMD_FPGA
107 #undef CONFIG_CMD_SETGETDCR
109 /* add useful commands */
110 #define CONFIG_CMD_ASKENV
111 #define CONFIG_CMD_DHCP
112 #define CONFIG_CMD_JFFS2
113 #define CONFIG_CMD_PING
114 #define CONFIG_CMD_REGINFO
116 #define CONFIG_SYS_HUSH_PARSER
117 #define CONFIG_AUTO_COMPLETE
118 #define CONFIG_CMDLINE_EDITING
120 #define CONFIG_ATMEL_USART
122 #define CONFIG_PORTMUX_PIO
123 #define CONFIG_SYS_NR_PIOS 5
124 #define CONFIG_SYS_HSDRAMC
126 #define CONFIG_SYS_DCACHE_LINESZ 32
127 #define CONFIG_SYS_ICACHE_LINESZ 32
129 #define CONFIG_NR_DRAM_BANKS 1
131 #define CONFIG_SYS_FLASH_CFI
132 #define CONFIG_FLASH_CFI_DRIVER
134 #define CONFIG_SYS_FLASH_BASE 0x00000000
135 #define CONFIG_SYS_FLASH_SIZE 0x800000
136 #define CONFIG_SYS_MAX_FLASH_BANKS 1
137 #define CONFIG_SYS_MAX_FLASH_SECT 135
139 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
140 #define CONFIG_SYS_TEXT_BASE 0x00000000
142 #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
143 #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
144 #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
146 #define CONFIG_ENV_IS_IN_FLASH
147 /* place u-boot env in flash sector after u-boot */
148 #define CONFIG_ENV_SIZE 0x10000
149 #define CONFIG_ENV_ADDR 0x20000
151 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \
152 CONFIG_SYS_INTRAM_SIZE)
154 #define CONFIG_SYS_MALLOC_LEN (256*1024)
155 #define CONFIG_SYS_DMA_ALLOC_LEN (16384)
157 /* Allow 4MB for the kernel run-time image */
158 #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
159 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
161 /* Other configuration settings that shouldn't have to change all that often */
162 #define CONFIG_SYS_PROMPT "U-Boot> "
163 #define CONFIG_SYS_CBSIZE 256
164 #define CONFIG_SYS_MAXARGS 16
165 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
166 sizeof(CONFIG_SYS_PROMPT) + 16)
167 #define CONFIG_SYS_LONGHELP
169 #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
170 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
172 #endif /* __GRASSHOPPER_CONFIG_H */
173 /* vim: set ts=8 noet: */