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