/*
 * Copyright (C) 2008 Miromico AG
 *
 * Configuration settings for the Miromico Hammerhead AVR32 board
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#ifndef __CONFIG_H
#define __CONFIG_H

#define CONFIG_AVR32
#define CONFIG_AT32AP
#define CONFIG_AT32AP7000
#define CONFIG_HAMMERHEAD

/*
 * Set up the PLL to run at 125 MHz, the CPU to run at the PLL
 * frequency, the HSB and PBB busses to run at 1/2 the PLL frequency
 * and the PBA bus to run at 1/4 the PLL frequency.
 */
#define CONFIG_PLL
#define CONFIG_SYS_POWER_MANAGER
#define CONFIG_SYS_OSC0_HZ			25000000
#define CONFIG_SYS_PLL0_DIV			1
#define CONFIG_SYS_PLL0_MUL			5
#define CONFIG_SYS_PLL0_SUPPRESS_CYCLES	16
#define CONFIG_SYS_CLKDIV_CPU			0
#define CONFIG_SYS_CLKDIV_HSB			1
#define CONFIG_SYS_CLKDIV_PBA			2
#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_HOSTNAME			hammerhead

/* User serviceable stuff */
#define CONFIG_DOS_PARTITION

#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG

#define CONFIG_STACKSIZE		(2048)

#define CONFIG_BAUDRATE			115200
#define CONFIG_BOOTARGS							\
	"console=ttyS0 root=mtd1 rootfstype=jffs2"
#define CONFIG_BOOTCOMMAND						\
	"fsload; bootm"

/*
 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 * data on the serial line may interrupt the boot sequence.
 */
#define CONFIG_BOOTDELAY		1
#define CONFIG_AUTOBOOT
#define CONFIG_AUTOBOOT_KEYED
#define CONFIG_AUTOBOOT_PROMPT				\
	"Press SPACE to abort autoboot in %d seconds\n", bootdelay
#define CONFIG_AUTOBOOT_DELAY_STR	"d"
#define CONFIG_AUTOBOOT_STOP_STR	" "

/*
 * After booting the board for the first time, new ethernet address
 * should be generated and assigned to the environment variables
 * "ethaddr". This is normally done during production.
 */
#define CONFIG_OVERWRITE_ETHADDR_ONCE

/*
 * BOOTP/DHCP options
 */
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY

/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_MMC
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_SETGETDCR

#define CONFIG_ATMEL_USART
#define CONFIG_MACB
#define CONFIG_PORTMUX_PIO
#define CONFIG_SYS_NR_PIOS			5
#define CONFIG_SYS_HSDRAMC
#define CONFIG_MMC
#define CONFIG_GENERIC_ATMEL_MCI
#define CONFIG_GENERIC_MMC

#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			0x24000000
#define CONFIG_SYS_INTRAM_SIZE			0x8000

#define CONFIG_SYS_SDRAM_BASE			0x10000000

#define CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_SIZE			65536
#define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - CONFIG_ENV_SIZE)

#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE)

#define CONFIG_SYS_MALLOC_LEN			(256*1024)

#define CONFIG_SYS_DMA_ALLOC_LEN		(16384)

/* Allow 4MB for the kernel run-time image */
#define CONFIG_SYS_LOAD_ADDR			(CONFIG_SYS_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_PROMPT			"Hammerhead> "
#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		CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END			(CONFIG_SYS_MEMTEST_START + 0x1f00000)

#define CONFIG_SYS_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }

#endif /* __CONFIG_H */