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 /* Network defines. */
32 #define CONFIG_CMD_DHCP
33 #define CONFIG_CMD_MII
34 #define CONFIG_BOOTP_DNS		/* Configurable parts of CMD_DHCP */
35 #define CONFIG_BOOTP_DNS2
36 #define CONFIG_BOOTP_SEND_HOSTNAME
37 #define CONFIG_BOOTP_GATEWAY
38 #define CONFIG_BOOTP_SUBNETMASK
39 #define CONFIG_NET_RETRY_COUNT         10
40 #define CONFIG_CMD_PING
41 #define CONFIG_DRIVER_TI_CPSW		/* Driver for IP block */
42 #define CONFIG_MII			/* Required in net/eth.c */
43 
44 /*
45  * RTC related defines. To use bootcount you must set bootlimit in the
46  * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
47  * in the board config.
48  */
49 #define CONFIG_SYS_BOOTCOUNT_ADDR	0x44E3E000
50 
51 /* Enable the HW watchdog, since we can use this with bootcount */
52 #define CONFIG_HW_WATCHDOG
53 #define CONFIG_OMAP_WATCHDOG
54 
55 /*
56  * SPL related defines.  The Public RAM memory map the ROM defines the
57  * area between 0x402F0400 and 0x4030B800 as a download area and
58  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
59  * supports X-MODEM loading via UART, and we leverage this and then use
60  * Y-MODEM to load u-boot.img, when booted over UART.
61  */
62 #define CONFIG_SPL_TEXT_BASE		0x402F0400
63 #define CONFIG_SPL_MAX_SIZE		(0x4030B800 - CONFIG_SPL_TEXT_BASE)
64 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
65 					 (128 << 20))
66 
67 /* Enable the watchdog inside of SPL */
68 #define CONFIG_SPL_WATCHDOG_SUPPORT
69 
70 /*
71  * Since SPL did pll and ddr initialization for us,
72  * we don't need to do it twice.
73  */
74 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
75 #define CONFIG_SKIP_LOWLEVEL_INIT
76 #endif
77 
78 /*
79  * When building U-Boot such that there is no previous loader
80  * we need to call board_early_init_f.  This is taken care of in
81  * s_init when we have SPL used.
82  */
83 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
84 #define CONFIG_BOARD_EARLY_INIT_F
85 #endif
86 
87 #ifdef CONFIG_NAND
88 #define CONFIG_SPL_NAND_AM33XX_BCH	/* ELM support */
89 #endif
90 
91 /* Now bring in the rest of the common code. */
92 #include <configs/ti_armv7_omap.h>
93 
94 #endif	/* __CONFIG_TI_AM335X_COMMON_H__ */
95