| /* | 
 |  * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com> | 
 |  * | 
 |  * based on previous work by | 
 |  * | 
 |  * Ulf Samuelsson <ulf@atmel.com> | 
 |  * Rick Bronson <rick@efn.org> | 
 |  * | 
 |  * Configuration settings for the AT91RM9200EK board. | 
 |  * | 
 |  * SPDX-License-Identifier:	GPL-2.0+ | 
 |  */ | 
 |  | 
 | #ifndef __AT91RM9200EK_CONFIG_H__ | 
 | #define __AT91RM9200EK_CONFIG_H__ | 
 |  | 
 | #include <linux/sizes.h> | 
 |  | 
 | /* | 
 |  * set some initial configurations depending on configure target | 
 |  * | 
 |  * at91rm9200ek_config     -> boot from 0x0 in NOR Flash at CS0 | 
 |  * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel | 
 |  *                            initialisation was done by some preloader | 
 |  */ | 
 | #ifdef CONFIG_RAMBOOT | 
 | #define CONFIG_SKIP_LOWLEVEL_INIT | 
 | #define CONFIG_SYS_TEXT_BASE 0x20100000 | 
 | #else | 
 | #define CONFIG_SYS_TEXT_BASE 0x10000000 | 
 | #endif | 
 |  | 
 | /* | 
 |  * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz | 
 |  * AT91C_MAIN_CLOCK is the frequency of PLLA output | 
 |  * AT91C_MASTER_CLOCK is the peripherial clock | 
 |  * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely | 
 |  *  set in arch/arm/cpu/arm920t/at91/timer.c) | 
 |  * CONFIG_SYS_HZ is the tick rate for timer tc0 | 
 |  */ | 
 | #define AT91C_XTAL_CLOCK		18432000 | 
 | #define CONFIG_SYS_AT91_SLOW_CLOCK	32768 | 
 | #define AT91C_MAIN_CLOCK		((AT91C_XTAL_CLOCK / 4) * 39) | 
 | #define AT91C_MASTER_CLOCK		(AT91C_MAIN_CLOCK / 3 ) | 
 | #define CONFIG_SYS_HZ_CLOCK		(AT91C_MASTER_CLOCK / 2) | 
 |  | 
 | /* CPU configuration */ | 
 | #define CONFIG_AT91RM9200 | 
 | #define CONFIG_AT91RM9200EK | 
 | #define CONFIG_CPUAT91 | 
 | #define USE_920T_MMU | 
 |  | 
 | #include <asm/hardware.h>	/* needed for port definitions */ | 
 |  | 
 | #define CONFIG_CMDLINE_TAG | 
 | #define CONFIG_SETUP_MEMORY_TAGS | 
 | #define CONFIG_INITRD_TAG | 
 |  | 
 | #define CONFIG_BOARD_EARLY_INIT_F | 
 |  | 
 | #define CONFIG_CMD_BOOTZ | 
 | #define CONFIG_OF_LIBFDT | 
 |  | 
 |  | 
 | /* | 
 |  * Memory Configuration | 
 |  */ | 
 | #define CONFIG_NR_DRAM_BANKS		1 | 
 | #define CONFIG_SYS_SDRAM_BASE		0x20000000 | 
 | #define CONFIG_SYS_SDRAM_SIZE		SZ_32M | 
 |  | 
 | #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE | 
 | #define CONFIG_SYS_MEMTEST_END		\ | 
 | 		(CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K) | 
 |  | 
 | /* | 
 |  * LowLevel Init | 
 |  */ | 
 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | 
 | #define CONFIG_SYS_USE_MAIN_OSCILLATOR | 
 | /* flash */ | 
 | #define CONFIG_SYS_EBI_CFGR_VAL	0x00000000 | 
 | #define CONFIG_SYS_SMC_CSR0_VAL	0x00003284 /* 16bit, 2 TDF, 4 WS */ | 
 |  | 
 | /* clocks */ | 
 | #define CONFIG_SYS_PLLAR_VAL	0x20263E04 /* 179.712000 MHz for PCK */ | 
 | #define CONFIG_SYS_PLLBR_VAL	0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ | 
 | /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ | 
 | #define CONFIG_SYS_MCKR_VAL	0x00000202 | 
 |  | 
 | /* sdram */ | 
 | #define CONFIG_SYS_PIOC_ASR_VAL	0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ | 
 | #define CONFIG_SYS_PIOC_BSR_VAL	0x00000000 | 
 | #define CONFIG_SYS_PIOC_PDR_VAL	0xFFFF0000 | 
 | #define CONFIG_SYS_EBI_CSA_VAL	0x00000002 /* CS1=CONFIG_SYS_SDRAM */ | 
 | #define CONFIG_SYS_SDRC_CR_VAL	0x2188c155 /* set up the CONFIG_SYS_SDRAM */ | 
 | #define CONFIG_SYS_SDRAM	CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */ | 
 | #define CONFIG_SYS_SDRAM1	(CONFIG_SYS_SDRAM_BASE+0x80) | 
 | #define CONFIG_SYS_SDRAM_VAL	0x00000000 /* value written to CONFIG_SYS_SDRAM */ | 
 | #define CONFIG_SYS_SDRC_MR_VAL	0x00000002 /* Precharge All */ | 
 | #define CONFIG_SYS_SDRC_MR_VAL1	0x00000004 /* refresh */ | 
 | #define CONFIG_SYS_SDRC_MR_VAL2	0x00000003 /* Load Mode Register */ | 
 | #define CONFIG_SYS_SDRC_MR_VAL3	0x00000000 /* Normal Mode */ | 
 | #define CONFIG_SYS_SDRC_TR_VAL	0x000002E0 /* Write refresh rate */ | 
 | #endif	/* CONFIG_SKIP_LOWLEVEL_INIT */ | 
 |  | 
 | /* | 
 |  * Hardware drivers | 
 |  */ | 
 | /* | 
 |  * Choose a USART for serial console | 
 |  * CONFIG_DBGU is DBGU unit on J10 | 
 |  * CONFIG_USART1 is USART1 on J14 | 
 |  */ | 
 | #define CONFIG_ATMEL_USART | 
 | #define CONFIG_USART_BASE	ATMEL_BASE_DBGU | 
 | #define CONFIG_USART_ID		0/* ignored in arm */ | 
 |  | 
 | #define CONFIG_BAUDRATE			115200 | 
 |  | 
 | /* | 
 |  * Command line configuration. | 
 |  */ | 
 | #define CONFIG_CMD_DHCP | 
 | #define CONFIG_CMD_FAT | 
 | #define CONFIG_CMD_MII | 
 | #define CONFIG_CMD_PING | 
 | #define CONFIG_CMD_USB | 
 |  | 
 | /* | 
 |  * Network Driver Setting | 
 |  */ | 
 | #define CONFIG_DRIVER_AT91EMAC | 
 | #define CONFIG_SYS_RX_ETH_BUFFER	16 | 
 | #define CONFIG_RMII | 
 | #define CONFIG_MII | 
 |  | 
 | /* | 
 |  * NOR Flash | 
 |  */ | 
 | #define CONFIG_FLASH_CFI_DRIVER | 
 | #define CONFIG_SYS_FLASH_CFI | 
 | #define CONFIG_SYS_FLASH_BASE		0x10000000 | 
 | #define PHYS_FLASH_1			CONFIG_SYS_FLASH_BASE | 
 | #define PHYS_FLASH_SIZE			SZ_8M | 
 | #define CONFIG_SYS_MAX_FLASH_BANKS	1 | 
 | #define CONFIG_SYS_MAX_FLASH_SECT	256 | 
 | #define CONFIG_SYS_FLASH_PROTECTION | 
 |  | 
 | /* | 
 |  * USB Config | 
 |  */ | 
 | #define CONFIG_USB_ATMEL			1 | 
 | #define CONFIG_USB_ATMEL_CLK_SEL_PLLB | 
 | #define CONFIG_USB_OHCI_NEW			1 | 
 | #define CONFIG_USB_KEYBOARD			1 | 
 | #define CONFIG_USB_STORAGE			1 | 
 | #define CONFIG_DOS_PARTITION			1 | 
 |  | 
 | #define CONFIG_SYS_USB_OHCI_CPU_INIT		1 | 
 | #define CONFIG_SYS_USB_OHCI_REGS_BASE		ATMEL_USB_HOST_BASE | 
 | #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91rm9200" | 
 | #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	15 | 
 |  | 
 | /* | 
 |  * Environment Settings | 
 |  */ | 
 | #define CONFIG_ENV_IS_IN_FLASH | 
 |  | 
 | /* | 
 |  * after u-boot.bin | 
 |  */ | 
 | #define CONFIG_ENV_ADDR			\ | 
 | 		(CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) | 
 | #define CONFIG_ENV_SIZE			SZ_64K /* sectors are 64K here */ | 
 | /* The following #defines are needed to get flash environment right */ | 
 | #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE | 
 | #define CONFIG_SYS_MONITOR_LEN		SZ_256K | 
 |  | 
 | /* | 
 |  * Boot option | 
 |  */ | 
 | #define CONFIG_BOOTDELAY		3 | 
 |  | 
 | /* default load address */ | 
 | #define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + SZ_16M | 
 | #define CONFIG_ENV_OVERWRITE | 
 |  | 
 | /* | 
 |  * Shell Settings | 
 |  */ | 
 | #define CONFIG_CMDLINE_EDITING | 
 | #define CONFIG_SYS_LONGHELP | 
 | #define CONFIG_AUTO_COMPLETE | 
 | #define CONFIG_SYS_HUSH_PARSER | 
 | #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */ | 
 | #define CONFIG_SYS_MAXARGS		16	/* max number of command args */ | 
 | /* Print Buffer Size */ | 
 | #define CONFIG_SYS_PBSIZE		\ | 
 | 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) | 
 |  | 
 | /* | 
 |  * Size of malloc() pool | 
 |  */ | 
 | #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \ | 
 | 					     SZ_4K) | 
 |  | 
 | #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + SZ_4K \ | 
 | 					- GENERATED_GBL_DATA_SIZE) | 
 |  | 
 | #endif /* __AT91RM9200EK_CONFIG_H__ */ |