157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*
|
|
* 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_SYS_I2C
|
|
#define CONFIG_SYS_I2C_ADI
|
|
|
|
|
|
/*
|
|
* 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
|