142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/*
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* U-Boot - Configuration file for BR4 Appliance
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*
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* based on bf537-stamp.h
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* Copyright (c) Switchfin Org. <dpn@switchfin.org>
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*/
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#ifndef __CONFIG_BR4_H__
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#define __CONFIG_BR4_H__
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#include <asm/config-pre.h>
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/*
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* Processor Settings
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*/
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#define CONFIG_BFIN_CPU bf537-0.3
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#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER
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/*
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* Clock Settings
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* CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
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* SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
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*/
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/* CONFIG_CLKIN_HZ is any value in Hz */
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#define CONFIG_CLKIN_HZ 25000000
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/* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */
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/* 1 = CLKIN / 2 */
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#define CONFIG_CLKIN_HALF 0
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/* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */
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/* 1 = bypass PLL */
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#define CONFIG_PLL_BYPASS 0
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/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */
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/* Values can range from 0-63 (where 0 means 64) */
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#define CONFIG_VCO_MULT 24
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/* CCLK_DIV controls the core clock divider */
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/* Values can be 1, 2, 4, or 8 ONLY */
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#define CONFIG_CCLK_DIV 1
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/* SCLK_DIV controls the system clock divider */
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/* Values can range from 1-15 */
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#define CONFIG_SCLK_DIV 5
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/*
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* Memory Settings
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*/
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#define CONFIG_MEM_ADD_WDTH 10
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#define CONFIG_MEM_SIZE 64
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#define CONFIG_EBIU_SDRRC_VAL 0x306
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#define CONFIG_EBIU_SDGCTL_VAL 0x8091998d
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#define CONFIG_EBIU_AMGCTL_VAL 0xFF
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#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
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#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
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#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
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#define CONFIG_SYS_MALLOC_LEN (384 * 1024)
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/*
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* Network Settings
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*/
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#ifndef __ADSPBF534__
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#define ADI_CMDS_NETWORK 1
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#define CONFIG_BFIN_MAC
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#define CONFIG_NETCONSOLE
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#endif
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#define CONFIG_HOSTNAME br4
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#define CONFIG_TFTP_BLOCKSIZE 4404
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/*
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* Flash Settings
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*/
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#define CONFIG_SYS_NO_FLASH /* We have no parallel FLASH */
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/*
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* SPI Settings
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*/
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#define CONFIG_BFIN_SPI
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#define CONFIG_ENV_SPI_MAX_HZ 30000000
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#define CONFIG_SF_DEFAULT_SPEED 30000000
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/*
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* Env Storage Settings
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*/
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#define CONFIG_ENV_IS_IN_SPI_FLASH
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#define CONFIG_ENV_OFFSET 0x10000
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#define CONFIG_ENV_SIZE 0x2000
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#define CONFIG_ENV_SECT_SIZE 0x10000
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#define CONFIG_ENV_IS_EMBEDDED_IN_LDR
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/*
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* I2C Settings
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*/
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_I2C_ADI
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/*
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* NAND Settings
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*/
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#define CONFIG_NAND_PLAT
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#define CONFIG_SYS_NAND_BASE 0x20000000
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
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#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
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#define BFIN_NAND_WRITE(addr, cmd) \
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do { \
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bfin_write8(addr, cmd); \
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SSYNC(); \
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} while (0)
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#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
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#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
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#define NAND_PLAT_GPIO_DEV_READY GPIO_PF9
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/*
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* Misc Settings
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*/
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_RTC_BFIN
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#define CONFIG_UART_CONSOLE 0
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#define CONFIG_BOOTCOMMAND "run nandboot"
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#define CONFIG_LOADADDR 0x2000000
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/*
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* Pull in common ADI header for remaining command/environment setup
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*/
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#include <configs/bfin_adi_common.h>
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/*
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* Overwrite some settings defined in bfin_adi_common.h
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*/
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#undef NAND_ENV_SETTINGS
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#define NAND_ENV_SETTINGS \
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"nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
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"nandboot=" \
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"nand read $(loadaddr) 0x0 0x900000;" \
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"run nandargs;" \
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"bootm" \
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"\0"
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#endif
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