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 #define CONFIG_SYS_NS16550
  26 #ifdef CONFIG_SPL_BUILD
  27 #define CONFIG_SYS_NS16550_SERIAL
  28 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  29 #endif
  30 #define CONFIG_SYS_NS16550_CLK          48000000
  31
  32 /* Network defines. */
  33 #define CONFIG_CMD_DHCP
  34 #define CONFIG_CMD_MII
  35 #define CONFIG_BOOTP_DNS                /* Configurable parts of CMD_DHCP */
  36 #define CONFIG_BOOTP_DNS2
  37 #define CONFIG_BOOTP_SEND_HOSTNAME
  38 #define CONFIG_BOOTP_GATEWAY
  39 #define CONFIG_BOOTP_SUBNETMASK
  40 #define CONFIG_NET_RETRY_COUNT         10
  41 #define CONFIG_CMD_PING
  42 #define CONFIG_DRIVER_TI_CPSW           /* Driver for IP block */
  43 #define CONFIG_MII                      /* Required in net/eth.c */
  44
  45 /*
  46  * RTC related defines. To use bootcount you must set bootlimit in the
  47  * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
  48  * in the board config.
  49  */
  50 #define CONFIG_SYS_BOOTCOUNT_ADDR       0x44E3E000
  51
  52 /* Enable the HW watchdog, since we can use this with bootcount */
  53 #define CONFIG_HW_WATCHDOG
  54 #define CONFIG_OMAP_WATCHDOG
  55
  56 /*
  57  * SPL related defines.  The Public RAM memory map the ROM defines the
  58  * area between 0x402F0400 and 0x4030B800 as a download area and
  59  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
  60  * supports X-MODEM loading via UART, and we leverage this and then use
  61  * Y-MODEM to load u-boot.img, when booted over UART.
  62  */
  63 #define CONFIG_SPL_TEXT_BASE            0x402F0400
  64 #define CONFIG_SPL_MAX_SIZE             (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  65 #define CONFIG_SYS_SPL_ARGS_ADDR        (CONFIG_SYS_SDRAM_BASE + \
  66                                          (128 << 20))
  67
  68 /* Enable the watchdog inside of SPL */
  69 #define CONFIG_SPL_WATCHDOG_SUPPORT
  70
  71 /*
  72  * Since SPL did pll and ddr initialization for us,
  73  * we don't need to do it twice.
  74  */
  75 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  76 #define CONFIG_SKIP_LOWLEVEL_INIT
  77 #endif
  78
  79 /*
  80  * When building U-Boot such that there is no previous loader
  81  * we need to call board_early_init_f.  This is taken care of in
  82  * s_init when we have SPL used.
  83  */
  84 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
  85 #define CONFIG_BOARD_EARLY_INIT_F
  86 #endif
  87
  88 #ifdef CONFIG_NAND
  89 #define CONFIG_SPL_NAND_AM33XX_BCH      /* ELM support */
  90 #endif
  91
  92 /* Now bring in the rest of the common code. */
  93 #include <configs/ti_armv7_omap.h>
  94
  95 #endif  /* __CONFIG_TI_AM335X_COMMON_H__ */