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- /*
- * Copyright (C) 2011
- * Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
- *
- * Configuration settings for the grasshopper (ICnova AP7000) board
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef __GRASSHOPPER_CONFIG_H
- #define __GRASSHOPPER_CONFIG_H
- #include <asm/arch/hardware.h>
- #define CONFIG_AT32AP
- #define CONFIG_AT32AP7000
- /*
- * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
- * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
- * PLL frequency.
- * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
- */
- #define CONFIG_PLL
- #define CONFIG_SYS_POWER_MANAGER
- #define CONFIG_SYS_OSC0_HZ 20000000
- #define CONFIG_SYS_PLL0_DIV 1
- #define CONFIG_SYS_PLL0_MUL 7
- #define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
- /*
- * Set the CPU running at:
- * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
- */
- #define CONFIG_SYS_CLKDIV_CPU 0
- /*
- * Set the HSB running at:
- * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
- */
- #define CONFIG_SYS_CLKDIV_HSB 1
- /*
- * Set the PBA running at:
- * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
- */
- #define CONFIG_SYS_CLKDIV_PBA 2
- /*
- * Set the PBB running at:
- * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
- */
- #define CONFIG_SYS_CLKDIV_PBB 1
- /* Reserve VM regions for SDRAM and NOR flash */
- #define CONFIG_SYS_NR_VM_REGIONS 2
- /*
- * The PLLOPT register controls the PLL like this:
- * icp = PLLOPT<2>
- * ivco = PLLOPT<1:0>
- *
- * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
- */
- #define CONFIG_SYS_PLL0_OPT 0x04
- #define CONFIG_USART_BASE ATMEL_BASE_USART1
- #define CONFIG_USART_ID 1
- #define CONFIG_BOARD_EARLY_INIT_F
- #define CONFIG_BOARD_EARLY_INIT_R
- /* User serviceable stuff */
- #define CONFIG_CMDLINE_TAG
- #define CONFIG_SETUP_MEMORY_TAGS
- #define CONFIG_INITRD_TAG
- #define CONFIG_STACKSIZE (2048)
- #define CONFIG_BAUDRATE 115200
- /*
- * After booting the board for the first time, new ethernet addresses
- * should be generated and assigned to the environment variables
- * "ethaddr". This is normally done during production.
- */
- #define CONFIG_OVERWRITE_ETHADDR_ONCE
- /*
- * BOOTP options
- */
- #define CONFIG_BOOTP_SUBNETMASK
- #define CONFIG_BOOTP_GATEWAY
- /*
- * Command line configuration.
- */
- /* add useful commands */
- #define CONFIG_CMD_JFFS2
- #define CONFIG_CMD_REGINFO
- #define CONFIG_AUTO_COMPLETE
- #define CONFIG_CMDLINE_EDITING
- #define CONFIG_ATMEL_USART
- #define CONFIG_MACB
- #define CONFIG_PORTMUX_PIO
- #define CONFIG_SYS_NR_PIOS 5
- #define CONFIG_SYS_HSDRAMC
- #define CONFIG_SYS_DCACHE_LINESZ 32
- #define CONFIG_SYS_ICACHE_LINESZ 32
- #define CONFIG_NR_DRAM_BANKS 1
- #define CONFIG_SYS_FLASH_CFI
- #define CONFIG_FLASH_CFI_DRIVER
- #define CONFIG_SYS_FLASH_BASE 0x00000000
- #define CONFIG_SYS_FLASH_SIZE 0x800000
- #define CONFIG_SYS_MAX_FLASH_BANKS 1
- #define CONFIG_SYS_MAX_FLASH_SECT 135
- #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
- #define CONFIG_SYS_TEXT_BASE 0x00000000
- #define CONFIG_SYS_INTRAM_BASE INTERNAL_SRAM_BASE
- #define CONFIG_SYS_INTRAM_SIZE INTERNAL_SRAM_SIZE
- #define CONFIG_SYS_SDRAM_BASE EBI_SDRAM_BASE
- #define CONFIG_ENV_IS_IN_FLASH
- /* place u-boot env in flash sector after u-boot */
- #define CONFIG_ENV_SIZE 0x10000
- #define CONFIG_ENV_ADDR 0x20000
- #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + \
- CONFIG_SYS_INTRAM_SIZE)
- #define CONFIG_SYS_MALLOC_LEN (256*1024)
- /* Allow 4MB for the kernel run-time image */
- #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000)
- #define CONFIG_SYS_BOOTPARAMS_LEN (16 * 1024)
- /* Other configuration settings that shouldn't have to change all that often */
- #define CONFIG_SYS_CBSIZE 256
- #define CONFIG_SYS_MAXARGS 16
- #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
- sizeof(CONFIG_SYS_PROMPT) + 16)
- #define CONFIG_SYS_LONGHELP
- #define CONFIG_SYS_MEMTEST_START EBI_SDRAM_BASE
- #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x700000)
- #endif /* __GRASSHOPPER_CONFIG_H */
- /* vim: set ts=8 noet: */
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