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 #ifndef CONFIG_SPL_BUILD 23 # define CONFIG_OMAP_SERIAL 24 #endif 25 26 #include <asm/arch/omap.h> 27 28 /* NS16550 Configuration */ 29 #define CONFIG_SYS_NS16550 30 #ifdef CONFIG_SPL_BUILD 31 #define CONFIG_SYS_NS16550_SERIAL 32 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 33 #endif 34 #define CONFIG_SYS_NS16550_CLK 48000000 35 36 /* Network defines. */ 37 #define CONFIG_CMD_NET /* 'bootp' and 'tftp' */ 38 #define CONFIG_CMD_DHCP 39 #define CONFIG_CMD_MII 40 #define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */ 41 #define CONFIG_BOOTP_DNS2 42 #define CONFIG_BOOTP_SEND_HOSTNAME 43 #define CONFIG_BOOTP_GATEWAY 44 #define CONFIG_BOOTP_SUBNETMASK 45 #define CONFIG_NET_RETRY_COUNT 10 46 #define CONFIG_CMD_PING 47 #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */ 48 #define CONFIG_MII /* Required in net/eth.c */ 49 50 /* 51 * RTC related defines. To use bootcount you must set bootlimit in the 52 * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT 53 * in the board config. 54 */ 55 #define CONFIG_SYS_BOOTCOUNT_ADDR 0x44E3E000 56 57 /* Enable the HW watchdog, since we can use this with bootcount */ 58 #define CONFIG_HW_WATCHDOG 59 #define CONFIG_OMAP_WATCHDOG 60 61 /* 62 * SPL related defines. The Public RAM memory map the ROM defines the 63 * area between 0x402F0400 and 0x4030B800 as a download area and 64 * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also 65 * supports X-MODEM loading via UART, and we leverage this and then use 66 * Y-MODEM to load u-boot.img, when booted over UART. 67 */ 68 #define CONFIG_SPL_TEXT_BASE 0x402F0400 69 #define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE) 70 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \ 71 (128 << 20)) 72 73 /* Enable the watchdog inside of SPL */ 74 #define CONFIG_SPL_WATCHDOG_SUPPORT 75 76 /* 77 * Since SPL did pll and ddr initialization for us, 78 * we don't need to do it twice. 79 */ 80 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 81 #define CONFIG_SKIP_LOWLEVEL_INIT 82 #endif 83 84 /* 85 * When building U-Boot such that there is no previous loader 86 * we need to call board_early_init_f. This is taken care of in 87 * s_init when we have SPL used. 88 */ 89 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL) 90 #define CONFIG_BOARD_EARLY_INIT_F 91 #endif 92 93 #ifdef CONFIG_NAND 94 #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */ 95 #endif 96 97 /* Now bring in the rest of the common code. */ 98 #include <configs/ti_armv7_common.h> 99 100 #endif /* __CONFIG_TI_AM335X_COMMON_H__ */ 101