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
  73 /*
  74  * Flash Settings
  75  */
  76 #define CONFIG_SYS_NO_FLASH     /* We have no parallel FLASH */
  77
  78
  79 /*
  80  * SPI Settings
  81  */
  82 #define CONFIG_BFIN_SPI
  83 #define CONFIG_ENV_SPI_MAX_HZ   30000000
  84 #define CONFIG_SF_DEFAULT_SPEED 30000000
  85 #define CONFIG_SPI_FLASH
  86 #define CONFIG_SPI_FLASH_STMICRO
  87
  88
  89 /*
  90  * Env Storage Settings
  91  */
  92 #define CONFIG_ENV_IS_IN_SPI_FLASH
  93 #define CONFIG_ENV_OFFSET       0x10000
  94 #define CONFIG_ENV_SIZE         0x2000
  95 #define CONFIG_ENV_SECT_SIZE    0x10000
  96 #define CONFIG_ENV_IS_EMBEDDED_IN_LDR
  97
  98
  99 /*
 100  * I2C Settings
 101  */
 102 #define CONFIG_SYS_I2C
 103 #define CONFIG_SYS_I2C_ADI
 104
 105
 106 /*
 107  * NAND Settings
 108  */
 109 #define CONFIG_NAND_PLAT
 110 #define CONFIG_SYS_NAND_BASE            0x20000000
 111 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 112
 113 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 114 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
 115 #define BFIN_NAND_WRITE(addr, cmd) \
 116         do { \
 117                 bfin_write8(addr, cmd); \
 118                 SSYNC(); \
 119         } while (0)
 120
 121 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 122 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
 123 #define NAND_PLAT_GPIO_DEV_READY       GPIO_PF9
 124
 125 /*
 126  * Misc Settings
 127  */
 128 #define CONFIG_BAUDRATE         115200
 129 #define CONFIG_RTC_BFIN
 130 #define CONFIG_UART_CONSOLE     0
 131 #define CONFIG_SYS_PROMPT       "br4>"
 132 #define CONFIG_BOOTCOMMAND      "run nandboot"
 133 #define CONFIG_BOOTDELAY        2
 134 #define CONFIG_LOADADDR         0x2000000
 135
 136 /*
 137  * Pull in common ADI header for remaining command/environment setup
 138  */
 139 #include <configs/bfin_adi_common.h>
 140
 141 /*
 142  * Overwrite some settings defined in bfin_adi_common.h
 143  */
 144 #undef NAND_ENV_SETTINGS
 145 #define NAND_ENV_SETTINGS \
 146         "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
 147         "nandboot=" \
 148                 "nand read $(loadaddr) 0x0 0x900000;" \
 149                 "run nandargs;" \
 150                 "bootm" \
 151                 "\0"
 152
 153 #endif