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 #ifndef CONFIG_SPL_BUILD 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_MII /* Required in net/eth.c */ 43 #endif 44 45 #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */ 46 /* 47 * RTC related defines. To use bootcount you must set bootlimit in the 48 * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT 49 * in the board config. 50 */ 51 #define CONFIG_SYS_BOOTCOUNT_ADDR 0x44E3E000 52 53 /* Enable the HW watchdog, since we can use this with bootcount */ 54 #define CONFIG_HW_WATCHDOG 55 #define CONFIG_OMAP_WATCHDOG 56 57 /* 58 * SPL related defines. The Public RAM memory map the ROM defines the 59 * area between 0x402F0400 and 0x4030B800 as a download area and 60 * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also 61 * supports X-MODEM loading via UART, and we leverage this and then use 62 * Y-MODEM to load u-boot.img, when booted over UART. 63 */ 64 #define CONFIG_SPL_TEXT_BASE 0x402F0400 65 #define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE) 66 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \ 67 (128 << 20)) 68 69 /* Enable the watchdog inside of SPL */ 70 #define CONFIG_SPL_WATCHDOG_SUPPORT 71 72 /* 73 * Since SPL did pll and ddr initialization for us, 74 * we don't need to do it twice. 75 */ 76 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 77 #define CONFIG_SKIP_LOWLEVEL_INIT 78 #endif 79 80 /* 81 * When building U-Boot such that there is no previous loader 82 * we need to call board_early_init_f. This is taken care of in 83 * s_init when we have SPL used. 84 */ 85 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL) 86 #define CONFIG_BOARD_EARLY_INIT_F 87 #endif 88 89 #ifdef CONFIG_NAND 90 #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */ 91 #endif 92 93 /* Now bring in the rest of the common code. */ 94 #include <configs/ti_armv7_omap.h> 95 96 #endif /* __CONFIG_TI_AM335X_COMMON_H__ */ 97