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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_R
/* User serviceable stuff */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_STACKSIZE (2048)
/*
* 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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