csu3_am335x/board-support/u-boot-2017.01+gitAUTOINC+340fb36f04-g340fb36f04/include/configs/bf537-pnav.h

/*
 * U-Boot - Configuration file for BF537 PNAV board
 */

#ifndef __CONFIG_BF537_PNAV_H__
#define __CONFIG_BF537_PNAV_H__

#include <asm/config-pre.h>

/*
 * Processor Settings
 */
#define CONFIG_BFIN_CPU             bf537-0.2
#define CONFIG_BFIN_BOOT_MODE       BFIN_BOOT_SPI_MASTER

/*
 * Clock Settings
 *	CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
 *	SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
 */
/* CONFIG_CLKIN_HZ is any value in Hz					*/
#define CONFIG_CLKIN_HZ			24576000
/* CLKIN_HALF controls the DF bit in PLL_CTL      0 = CLKIN		*/
/*                                                1 = CLKIN / 2		*/
#define CONFIG_CLKIN_HALF		0
/* PLL_BYPASS controls the BYPASS bit in PLL_CTL  0 = do not bypass	*/
/*                                                1 = bypass PLL	*/
#define CONFIG_PLL_BYPASS		0
/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL		*/
/* Values can range from 0-63 (where 0 means 64)			*/
#define CONFIG_VCO_MULT			20
/* CCLK_DIV controls the core clock divider				*/
/* Values can be 1, 2, 4, or 8 ONLY					*/
#define CONFIG_CCLK_DIV			1
/* SCLK_DIV controls the system clock divider				*/
/* Values can range from 1-15						*/
#define CONFIG_SCLK_DIV			4

/*
 * Memory Settings
 */
#define CONFIG_MEM_ADD_WDTH	10
#define CONFIG_MEM_SIZE		64

#define CONFIG_EBIU_SDRRC_VAL	0x3b7
#define CONFIG_EBIU_SDGCTL_VAL	0x9111cd

#define CONFIG_EBIU_AMGCTL_VAL	0xFF
#define CONFIG_EBIU_AMBCTL0_VAL	0x7BB033B0
#define CONFIG_EBIU_AMBCTL1_VAL	0xFFC27BB0

#define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
#define CONFIG_SYS_MALLOC_LEN		(128 * 1024)

/*
 * Network Settings
 */
#ifndef __ADSPBF534__
#define ADI_CMDS_NETWORK	1
#define CONFIG_BFIN_MAC
#define CONFIG_RMII
#endif
#define CONFIG_HOSTNAME		bf537-pnav

/*
 * Flash Settings
 */
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_BASE		0x20000000
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_SYS_MAX_FLASH_BANKS	1
#define CONFIG_SYS_MAX_FLASH_SECT	71

/*
 * SPI Settings
 */
#define CONFIG_BFIN_SPI
#define CONFIG_ENV_SPI_MAX_HZ	30000000
#define CONFIG_SF_DEFAULT_SPEED	30000000

/*
 * Env Storage Settings
 */
#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
#define CONFIG_ENV_IS_EMBEDDED_IN_LDR
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_OFFSET	0x4000
#else
#define ENV_IS_EMBEDDED
#define CONFIG_ENV_IS_IN_FLASH	1
#define CONFIG_ENV_ADDR		0x20004000
#define CONFIG_ENV_OFFSET	0x4000
#endif
#define CONFIG_ENV_SIZE		0x1000
#define CONFIG_ENV_SECT_SIZE	0x2000
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
 * the sector before the environment sector. If it throws
 * an error during compilation remove an object here to get
 * it linked after the configuration sector.
 */
# define LDS_BOARD_TEXT \
	arch/blackfin/lib/built-in.o (.text*); \
	arch/blackfin/cpu/built-in.o (.text*); \
	. = DEFINED(env_offset) ? env_offset : .; \
	common/env_embedded.o (.text*);
#endif

/*
 * NAND Settings
 */
#define CONFIG_NAND_PLAT

#define CONFIG_SYS_NAND_BASE		0x20100000
#define CONFIG_SYS_MAX_NAND_DEVICE	1

#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
#define BFIN_NAND_WRITE(addr, cmd) \
	do { \
		bfin_write8(addr, cmd); \
		SSYNC(); \
	} while (0)

#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
#define NAND_PLAT_GPIO_DEV_READY       GPIO_PF12

/*
 * I2C settings
 */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_ADI

/*
 * Misc Settings
 */
#define CONFIG_BAUDRATE		115200
#define CONFIG_RTC_BFIN
#define CONFIG_UART_CONSOLE	0

/* JFFS Partition offset set  */
#define CONFIG_SYS_JFFS2_FIRST_BANK	0
#define CONFIG_SYS_JFFS2_NUM_BANKS	1
/* 512k reserved for u-boot */
#define CONFIG_SYS_JFFS2_FIRST_SECTOR	15

#define CONFIG_BOOTCOMMAND	"run nandboot"
#define CONFIG_BOOTARGS_ROOT	"/dev/mtdblock1 rw rootfstype=yaffs"

/*
 * Pull in common ADI header for remaining command/environment setup
 */
#include <configs/bfin_adi_common.h>

#endif