include/configs/ti_am335x_common.h

   1 /*
   2  * ti_am335x_common.h
   3  *
   4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * For more details, please see the technical documents listed at
   9  * http://www.ti.com/product/am3359#technicaldocuments
  10  */
  11
  12 #ifndef __CONFIG_TI_AM335X_COMMON_H__
  13 #define __CONFIG_TI_AM335X_COMMON_H__
  14
  15 #define CONFIG_AM33XX
  16 #define CONFIG_ARCH_CPU_INIT
  17 #define CONFIG_SYS_CACHELINE_SIZE       64
  18 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
  19 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  20 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
  21
  22 #include <asm/arch/omap.h>
  23
  24 /* NS16550 Configuration */
  25 #ifdef CONFIG_SPL_BUILD
  26 #define CONFIG_SYS_NS16550_SERIAL
  27 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  28 #endif
  29 #define CONFIG_SYS_NS16550_CLK          48000000
  30
  31 /* Network defines. */
  32 #define CONFIG_CMD_DHCP
  33 #define CONFIG_CMD_MII
  34 #define CONFIG_BOOTP_DNS                /* Configurable parts of CMD_DHCP */
  35 #define CONFIG_BOOTP_DNS2
  36 #define CONFIG_BOOTP_SEND_HOSTNAME
  37 #define CONFIG_BOOTP_GATEWAY
  38 #define CONFIG_BOOTP_SUBNETMASK
  39 #define CONFIG_NET_RETRY_COUNT         10
  40 #define CONFIG_CMD_PING
  41 #define CONFIG_DRIVER_TI_CPSW           /* Driver for IP block */
  42 #define CONFIG_MII                      /* Required in net/eth.c */
  43
  44 /*
  45  * RTC related defines. To use bootcount you must set bootlimit in the
  46  * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
  47  * in the board config.
  48  */
  49 #define CONFIG_SYS_BOOTCOUNT_ADDR       0x44E3E000
  50
  51 /* Enable the HW watchdog, since we can use this with bootcount */
  52 #define CONFIG_HW_WATCHDOG
  53 #define CONFIG_OMAP_WATCHDOG
  54
  55 /*
  56  * SPL related defines.  The Public RAM memory map the ROM defines the
  57  * area between 0x402F0400 and 0x4030B800 as a download area and
  58  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
  59  * supports X-MODEM loading via UART, and we leverage this and then use
  60  * Y-MODEM to load u-boot.img, when booted over UART.
  61  */
  62 #define CONFIG_SPL_TEXT_BASE            0x402F0400
  63 #define CONFIG_SPL_MAX_SIZE             (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  64 #define CONFIG_SYS_SPL_ARGS_ADDR        (CONFIG_SYS_SDRAM_BASE + \
  65                                          (128 << 20))
  66
  67 /* Enable the watchdog inside of SPL */
  68 #define CONFIG_SPL_WATCHDOG_SUPPORT
  69
  70 /*
  71  * Since SPL did pll and ddr initialization for us,
  72  * we don't need to do it twice.
  73  */
  74 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  75 #define CONFIG_SKIP_LOWLEVEL_INIT
  76 #endif
  77
  78 /*
  79  * When building U-Boot such that there is no previous loader
  80  * we need to call board_early_init_f.  This is taken care of in
  81  * s_init when we have SPL used.
  82  */
  83 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
  84 #define CONFIG_BOARD_EARLY_INIT_F
  85 #endif
  86
  87 #ifdef CONFIG_NAND
  88 #define CONFIG_SPL_NAND_AM33XX_BCH      /* ELM support */
  89 #endif
  90
  91 /* Now bring in the rest of the common code. */
  92 #include <configs/ti_armv7_omap.h>
  93
  94 #endif  /* __CONFIG_TI_AM335X_COMMON_H__ */