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