include/configs/br4.h

   1 /*
   2  * U-boot - Configuration file for BR4 Appliance
   3  *
   4  * based on bf537-stamp.h
   5  * Copyright (c) Switchfin Org. <dpn@switchfin.org>
   6  */
   7
   8 #ifndef __CONFIG_BR4_H__
   9 #define __CONFIG_BR4_H__
  10
  11 #include <asm/config-pre.h>
  12
  13
  14 /*
  15  * Processor Settings
  16  */
  17 #define CONFIG_BFIN_CPU             bf537-0.3
  18 #define CONFIG_BFIN_BOOT_MODE       BFIN_BOOT_SPI_MASTER
  19
  20
  21 /*
  22  * Clock Settings
  23  *      CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
  24  *      SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
  25  */
  26 /* CONFIG_CLKIN_HZ is any value in Hz                                   */
  27 #define CONFIG_CLKIN_HZ                 25000000
  28 /* CLKIN_HALF controls the DF bit in PLL_CTL      0 = CLKIN             */
  29 /*                                                1 = CLKIN / 2         */
  30 #define CONFIG_CLKIN_HALF               0
  31 /* PLL_BYPASS controls the BYPASS bit in PLL_CTL  0 = do not bypass     */
  32 /*                                                1 = bypass PLL        */
  33 #define CONFIG_PLL_BYPASS               0
  34 /* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL              */
  35 /* Values can range from 0-63 (where 0 means 64)                        */
  36 #define CONFIG_VCO_MULT                 24
  37 /* CCLK_DIV controls the core clock divider                             */
  38 /* Values can be 1, 2, 4, or 8 ONLY                                     */
  39 #define CONFIG_CCLK_DIV                 1
  40 /* SCLK_DIV controls the system clock divider                           */
  41 /* Values can range from 1-15                                           */
  42 #define CONFIG_SCLK_DIV                 5
  43
  44
  45 /*
  46  * Memory Settings
  47  */
  48 #define CONFIG_MEM_ADD_WDTH     10
  49 #define CONFIG_MEM_SIZE         64
  50
  51 #define CONFIG_EBIU_SDRRC_VAL   0x306
  52 #define CONFIG_EBIU_SDGCTL_VAL  0x8091998d
  53
  54 #define CONFIG_EBIU_AMGCTL_VAL  0xFF
  55 #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
  56 #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
  57
  58 #define CONFIG_SYS_MONITOR_LEN          (512 * 1024)
  59 #define CONFIG_SYS_MALLOC_LEN           (384 * 1024)
  60
  61
  62 /*
  63  * Network Settings
  64  */
  65 #ifndef __ADSPBF534__
  66 #define ADI_CMDS_NETWORK        1
  67 #define CONFIG_BFIN_MAC
  68 #define CONFIG_NETCONSOLE
  69 #endif
  70 #define CONFIG_HOSTNAME         br4
  71 #define CONFIG_TFTP_BLOCKSIZE   4404
  72 /* Uncomment next line to use fixed MAC address */
  73 /* #define CONFIG_ETHADDR       5c:38:1a:80:a7:00 */
  74
  75
  76 /*
  77  * Flash Settings
  78  */
  79 #define CONFIG_SYS_NO_FLASH     /* We have no parallel FLASH */
  80
  81
  82 /*
  83  * SPI Settings
  84  */
  85 #define CONFIG_BFIN_SPI
  86 #define CONFIG_ENV_SPI_MAX_HZ   30000000
  87 #define CONFIG_SF_DEFAULT_SPEED 30000000
  88 #define CONFIG_SPI_FLASH
  89 #define CONFIG_SPI_FLASH_STMICRO
  90
  91
  92 /*
  93  * Env Storage Settings
  94  */
  95 #define CONFIG_ENV_IS_IN_SPI_FLASH
  96 #define CONFIG_ENV_OFFSET       0x10000
  97 #define CONFIG_ENV_SIZE         0x2000
  98 #define CONFIG_ENV_SECT_SIZE    0x10000
  99 #define CONFIG_ENV_IS_EMBEDDED_IN_LDR
 100
 101
 102 /*
 103  * I2C Settings
 104  */
 105 #define CONFIG_BFIN_TWI_I2C
 106 #define CONFIG_HARD_I2C
 107
 108
 109 /*
 110  * NAND Settings
 111  */
 112 #define CONFIG_NAND_PLAT
 113 #define CONFIG_SYS_NAND_BASE            0x20000000
 114 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 115
 116 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 117 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
 118 #define BFIN_NAND_WRITE(addr, cmd) \
 119         do { \
 120                 bfin_write8(addr, cmd); \
 121                 SSYNC(); \
 122         } while (0)
 123
 124 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 125 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
 126 #define NAND_PLAT_GPIO_DEV_READY       GPIO_PF9
 127
 128 /*
 129  * Misc Settings
 130  */
 131 #define CONFIG_BAUDRATE         115200
 132 #define CONFIG_RTC_BFIN
 133 #define CONFIG_UART_CONSOLE     0
 134 #define CONFIG_SYS_PROMPT       "br4>"
 135 #define CONFIG_BOOTCOMMAND      "run nandboot"
 136 #define CONFIG_BOOTDELAY        2
 137 #define CONFIG_LOADADDR         0x2000000
 138 #define CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED
 139
 140 /*
 141  * Pull in common ADI header for remaining command/environment setup
 142  */
 143 #include <configs/bfin_adi_common.h>
 144
 145 /*
 146  * Overwrite some settings defined in bfin_adi_common.h
 147  */
 148 #undef NAND_ENV_SETTINGS
 149 #define NAND_ENV_SETTINGS \
 150         "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
 151         "nandboot=" \
 152                 "nand read $(loadaddr) 0x0 0x900000;" \
 153                 "run nandargs;" \
 154                 "bootm" \
 155                 "\0"
 156
 157 #endif