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>
15 #define CONFIG_AT32AP7000
18 * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
19 * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
21 * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
24 #define CONFIG_SYS_POWER_MANAGER
25 #define CONFIG_SYS_OSC0_HZ 20000000
26 #define CONFIG_SYS_PLL0_DIV 1
27 #define CONFIG_SYS_PLL0_MUL 7
28 #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
30 * Set the CPU running at:
31 * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
33 #define CONFIG_SYS_CLKDIV_CPU 0
35 * Set the HSB running at:
36 * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
38 #define CONFIG_SYS_CLKDIV_HSB 1
40 * Set the PBA running at:
41 * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
43 #define CONFIG_SYS_CLKDIV_PBA 2
45 * Set the PBB running at:
46 * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
48 #define CONFIG_SYS_CLKDIV_PBB 1
50 /* Reserve VM regions for SDRAM and NOR flash */
51 #define CONFIG_SYS_NR_VM_REGIONS 2
54 * The PLLOPT register controls the PLL like this:
58 * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
60 #define CONFIG_SYS_PLL0_OPT 0x04
62 #define CONFIG_USART_BASE ATMEL_BASE_USART1
63 #define CONFIG_USART_ID 1
65 #define CONFIG_BOARD_EARLY_INIT_F
66 #define CONFIG_BOARD_EARLY_INIT_R
68 /* User serviceable stuff */
69 #define CONFIG_CMDLINE_TAG
70 #define CONFIG_SETUP_MEMORY_TAGS
71 #define CONFIG_INITRD_TAG
73 #define CONFIG_STACKSIZE (2048)
75 #define CONFIG_BAUDRATE 115200
77 #define CONFIG_BOOTDELAY 1
80 * After booting the board for the first time, new ethernet addresses
81 * should be generated and assigned to the environment variables
82 * "ethaddr". This is normally done during production.
84 #define CONFIG_OVERWRITE_ETHADDR_ONCE
89 #define CONFIG_BOOTP_SUBNETMASK
90 #define CONFIG_BOOTP_GATEWAY
93 * Command line configuration.
95 /* add useful commands */
96 #define CONFIG_CMD_ASKENV
97 #define CONFIG_CMD_DHCP
98 #define CONFIG_CMD_JFFS2
99 #define CONFIG_CMD_PING
100 #define CONFIG_CMD_REGINFO
102 #define CONFIG_SYS_HUSH_PARSER
103 #define CONFIG_AUTO_COMPLETE
104 #define CONFIG_CMDLINE_EDITING
106 #define CONFIG_ATMEL_USART
108 #define CONFIG_PORTMUX_PIO
109 #define CONFIG_SYS_NR_PIOS 5
110 #define CONFIG_SYS_HSDRAMC
112 #define CONFIG_SYS_DCACHE_LINESZ 32
113 #define CONFIG_SYS_ICACHE_LINESZ 32
115 #define CONFIG_NR_DRAM_BANKS 1
117 #define CONFIG_SYS_FLASH_CFI
118 #define CONFIG_FLASH_CFI_DRIVER
120 #define CONFIG_SYS_FLASH_BASE 0x00000000
121 #define CONFIG_SYS_FLASH_SIZE 0x800000
122 #define CONFIG_SYS_MAX_FLASH_BANKS 1
123 #define CONFIG_SYS_MAX_FLASH_SECT 135
125 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
126 #define CONFIG_SYS_TEXT_BASE 0x00000000
128 #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
129 #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
130 #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
132 #define CONFIG_ENV_IS_IN_FLASH
133 /* place u-boot env in flash sector after u-boot */
134 #define CONFIG_ENV_SIZE 0x10000
135 #define CONFIG_ENV_ADDR 0x20000
137 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \
138 CONFIG_SYS_INTRAM_SIZE)
140 #define CONFIG_SYS_MALLOC_LEN (256*1024)
142 /* Allow 4MB for the kernel run-time image */
143 #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
144 #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
146 /* Other configuration settings that shouldn't have to change all that often */
147 #define CONFIG_SYS_PROMPT "U-Boot> "
148 #define CONFIG_SYS_CBSIZE 256
149 #define CONFIG_SYS_MAXARGS 16
150 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
151 sizeof(CONFIG_SYS_PROMPT) + 16)
152 #define CONFIG_SYS_LONGHELP
154 #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
155 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
157 #endif /* __GRASSHOPPER_CONFIG_H */
158 /* vim: set ts=8 noet: */