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