br4.h
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/*
* U-boot - Configuration file for BR4 Appliance
*
* based on bf537-stamp.h
* Copyright (c) Switchfin Org. <dpn@switchfin.org>
*/
#ifndef __CONFIG_BR4_H__
#define __CONFIG_BR4_H__
#include <asm/config-pre.h>
/*
* Processor Settings
*/
#define CONFIG_BFIN_CPU bf537-0.3
#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 25000000
/* 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 24
/* 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 5
/*
* Memory Settings
*/
#define CONFIG_MEM_ADD_WDTH 10
#define CONFIG_MEM_SIZE 64
#define CONFIG_EBIU_SDRRC_VAL 0x306
#define CONFIG_EBIU_SDGCTL_VAL 0x8091998d
#define CONFIG_EBIU_AMGCTL_VAL 0xFF
#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
#define CONFIG_SYS_MALLOC_LEN (384 * 1024)
/*
* Network Settings
*/
#ifndef __ADSPBF534__
#define ADI_CMDS_NETWORK 1
#define CONFIG_BFIN_MAC
#define CONFIG_NETCONSOLE
#endif
#define CONFIG_HOSTNAME br4
#define CONFIG_TFTP_BLOCKSIZE 4404
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 5c:38:1a:80:a7:00 */
/*
* Flash Settings
*/
#define CONFIG_SYS_NO_FLASH /* We have no parallel FLASH */
/*
* SPI Settings
*/
#define CONFIG_BFIN_SPI
#define CONFIG_ENV_SPI_MAX_HZ 30000000
#define CONFIG_SF_DEFAULT_SPEED 30000000
#define CONFIG_SPI_FLASH
#define CONFIG_SPI_FLASH_STMICRO
/*
* Env Storage Settings
*/
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_OFFSET 0x10000
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_ENV_SECT_SIZE 0x10000
#define CONFIG_ENV_IS_EMBEDDED_IN_LDR
/*
* I2C Settings
*/
#define CONFIG_BFIN_TWI_I2C
#define CONFIG_HARD_I2C
/*
* NAND Settings
*/
#define CONFIG_NAND_PLAT
#define CONFIG_SYS_NAND_BASE 0x20000000
#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_PF9
/*
* Misc Settings
*/
#define CONFIG_BAUDRATE 115200
#define CONFIG_RTC_BFIN
#define CONFIG_UART_CONSOLE 0
#define CONFIG_SYS_PROMPT "br4>"
#define CONFIG_BOOTCOMMAND "run nandboot"
#define CONFIG_BOOTDELAY 2
#define CONFIG_LOADADDR 0x2000000
/*
* Pull in common ADI header for remaining command/environment setup
*/
#include <configs/bfin_adi_common.h>
/*
* Overwrite some settings defined in bfin_adi_common.h
*/
#undef NAND_ENV_SETTINGS
#define NAND_ENV_SETTINGS \
"nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
"nandboot=" \
"nand read $(loadaddr) 0x0 0x900000;" \
"run nandargs;" \
"bootm" \
"\0"
#endif