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  * Processor Settings
  15  */
  16 #define CONFIG_BFIN_CPU             bf537-0.3
  17 #define CONFIG_BFIN_BOOT_MODE       BFIN_BOOT_SPI_MASTER
  18
  19 /*
  20  * Clock Settings
  21  *      CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
  22  *      SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
  23  */
  24 /* CONFIG_CLKIN_HZ is any value in Hz                                   */
  25 #define CONFIG_CLKIN_HZ                 25000000
  26 /* CLKIN_HALF controls the DF bit in PLL_CTL      0 = CLKIN             */
  27 /*                                                1 = CLKIN / 2         */
  28 #define CONFIG_CLKIN_HALF               0
  29 /* PLL_BYPASS controls the BYPASS bit in PLL_CTL  0 = do not bypass     */
  30 /*                                                1 = bypass PLL        */
  31 #define CONFIG_PLL_BYPASS               0
  32 /* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL              */
  33 /* Values can range from 0-63 (where 0 means 64)                        */
  34 #define CONFIG_VCO_MULT                 24
  35 /* CCLK_DIV controls the core clock divider                             */
  36 /* Values can be 1, 2, 4, or 8 ONLY                                     */
  37 #define CONFIG_CCLK_DIV                 1
  38 /* SCLK_DIV controls the system clock divider                           */
  39 /* Values can range from 1-15                                           */
  40 #define CONFIG_SCLK_DIV                 5
  41
  42 /*
  43  * Memory Settings
  44  */
  45 #define CONFIG_MEM_ADD_WDTH     10
  46 #define CONFIG_MEM_SIZE         64
  47
  48 #define CONFIG_EBIU_SDRRC_VAL   0x306
  49 #define CONFIG_EBIU_SDGCTL_VAL  0x8091998d
  50
  51 #define CONFIG_EBIU_AMGCTL_VAL  0xFF
  52 #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
  53 #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
  54
  55 #define CONFIG_SYS_MONITOR_LEN          (512 * 1024)
  56 #define CONFIG_SYS_MALLOC_LEN           (384 * 1024)
  57
  58 /*
  59  * Network Settings
  60  */
  61 #ifndef __ADSPBF534__
  62 #define ADI_CMDS_NETWORK        1
  63 #define CONFIG_BFIN_MAC
  64 #define CONFIG_NETCONSOLE
  65 #endif
  66 #define CONFIG_HOSTNAME         br4
  67 #define CONFIG_TFTP_BLOCKSIZE   4404
  68
  69 /*
  70  * Flash Settings
  71  */
  72 #define CONFIG_SYS_NO_FLASH     /* We have no parallel FLASH */
  73
  74 /*
  75  * SPI Settings
  76  */
  77 #define CONFIG_BFIN_SPI
  78 #define CONFIG_ENV_SPI_MAX_HZ   30000000
  79 #define CONFIG_SF_DEFAULT_SPEED 30000000
  80
  81 /*
  82  * Env Storage Settings
  83  */
  84 #define CONFIG_ENV_IS_IN_SPI_FLASH
  85 #define CONFIG_ENV_OFFSET       0x10000
  86 #define CONFIG_ENV_SIZE         0x2000
  87 #define CONFIG_ENV_SECT_SIZE    0x10000
  88 #define CONFIG_ENV_IS_EMBEDDED_IN_LDR
  89
  90 /*
  91  * I2C Settings
  92  */
  93 #define CONFIG_SYS_I2C
  94 #define CONFIG_SYS_I2C_ADI
  95
  96 /*
  97  * NAND Settings
  98  */
  99 #define CONFIG_NAND_PLAT
 100 #define CONFIG_SYS_NAND_BASE            0x20000000
 101 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 102
 103 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 104 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
 105 #define BFIN_NAND_WRITE(addr, cmd) \
 106         do { \
 107                 bfin_write8(addr, cmd); \
 108                 SSYNC(); \
 109         } while (0)
 110
 111 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 112 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
 113 #define NAND_PLAT_GPIO_DEV_READY       GPIO_PF9
 114
 115 /*
 116  * Misc Settings
 117  */
 118 #define CONFIG_BAUDRATE         115200
 119 #define CONFIG_RTC_BFIN
 120 #define CONFIG_UART_CONSOLE     0
 121 #define CONFIG_BOOTCOMMAND      "run nandboot"
 122 #define CONFIG_LOADADDR         0x2000000
 123
 124 /*
 125  * Pull in common ADI header for remaining command/environment setup
 126  */
 127 #include <configs/bfin_adi_common.h>
 128
 129 /*
 130  * Overwrite some settings defined in bfin_adi_common.h
 131  */
 132 #undef NAND_ENV_SETTINGS
 133 #define NAND_ENV_SETTINGS \
 134         "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
 135         "nandboot=" \
 136                 "nand read $(loadaddr) 0x0 0x900000;" \
 137                 "run nandargs;" \
 138                 "bootm" \
 139                 "\0"
 140
 141 #endif