ti_am335x_common.h 2.6 KB

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  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. #ifndef __CONFIG_TI_AM335X_COMMON_H__
  12. #define __CONFIG_TI_AM335X_COMMON_H__
  13. #define CONFIG_ARCH_CPU_INIT
  14. #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
  15. #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
  16. #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
  17. #include <asm/arch/omap.h>
  18. /* NS16550 Configuration */
  19. #ifdef CONFIG_SPL_BUILD
  20. #define CONFIG_SYS_NS16550_SERIAL
  21. #define CONFIG_SYS_NS16550_REG_SIZE (-4)
  22. #endif
  23. #define CONFIG_SYS_NS16550_CLK 48000000
  24. #ifndef CONFIG_SPL_BUILD
  25. /* Network defines. */
  26. #define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */
  27. #define CONFIG_BOOTP_DNS2
  28. #define CONFIG_BOOTP_SEND_HOSTNAME
  29. #define CONFIG_BOOTP_GATEWAY
  30. #define CONFIG_BOOTP_SUBNETMASK
  31. #define CONFIG_NET_RETRY_COUNT 10
  32. #define CONFIG_MII /* Required in net/eth.c */
  33. #endif
  34. #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */
  35. /*
  36. * RTC related defines. To use bootcount you must set bootlimit in the
  37. * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
  38. * in the board config.
  39. */
  40. #define CONFIG_SYS_BOOTCOUNT_ADDR 0x44E3E000
  41. /* Enable the HW watchdog, since we can use this with bootcount */
  42. #define CONFIG_HW_WATCHDOG
  43. #define CONFIG_OMAP_WATCHDOG
  44. /*
  45. * SPL related defines. The Public RAM memory map the ROM defines the
  46. * area between 0x402F0400 and 0x4030B800 as a download area and
  47. * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
  48. * supports X-MODEM loading via UART, and we leverage this and then use
  49. * Y-MODEM to load u-boot.img, when booted over UART.
  50. */
  51. #define CONFIG_SPL_TEXT_BASE CONFIG_ISW_ENTRY_ADDR
  52. #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \
  53. (128 << 20))
  54. /* Enable the watchdog inside of SPL */
  55. /*
  56. * Since SPL did pll and ddr initialization for us,
  57. * we don't need to do it twice.
  58. */
  59. #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  60. #define CONFIG_SKIP_LOWLEVEL_INIT
  61. #endif
  62. /*
  63. * When building U-Boot such that there is no previous loader
  64. * we need to call board_early_init_f. This is taken care of in
  65. * s_init when we have SPL used.
  66. */
  67. #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
  68. #define CONFIG_BOARD_EARLY_INIT_F
  69. #endif
  70. #ifdef CONFIG_NAND
  71. #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */
  72. #endif
  73. /* Now bring in the rest of the common code. */
  74. #include <configs/ti_armv7_omap.h>
  75. #endif /* __CONFIG_TI_AM335X_COMMON_H__ */