1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * ti_am335x_common.h
4  *
5  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
6  *
7  * For more details, please see the technical documents listed at
8  * http://www.ti.com/product/am3359#technicaldocuments
9  */
10 
11 #ifndef __CONFIG_TI_AM335X_COMMON_H__
12 #define __CONFIG_TI_AM335X_COMMON_H__
13 
14 #define CONFIG_ARCH_CPU_INIT
15 #define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
16 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
17 
18 #include <asm/arch/omap.h>
19 
20 /* NS16550 Configuration */
21 #ifdef CONFIG_SPL_BUILD
22 #define CONFIG_SYS_NS16550_SERIAL
23 #ifndef CONFIG_DM_SERIAL
24 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
25 #endif
26 #endif
27 #define CONFIG_SYS_NS16550_CLK		48000000
28 
29 #ifndef CONFIG_SPL_BUILD
30 /* Network defines. */
31 #define CONFIG_BOOTP_DNS2
32 #define CONFIG_BOOTP_SEND_HOSTNAME
33 #define CONFIG_NET_RETRY_COUNT         10
34 #define CONFIG_MII			/* Required in net/eth.c */
35 #endif
36 
37 /*
38  * SPL related defines.  The Public RAM memory map the ROM defines the
39  * area between 0x402F0400 and 0x4030B800 as a download area and
40  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
41  * supports X-MODEM loading via UART, and we leverage this and then use
42  * Y-MODEM to load u-boot.img, when booted over UART.
43  */
44 #define CONFIG_SPL_TEXT_BASE		CONFIG_ISW_ENTRY_ADDR
45 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
46 					 (128 << 20))
47 
48 /* Enable the watchdog inside of SPL */
49 
50 /*
51  * Since SPL did pll and ddr initialization for us,
52  * we don't need to do it twice.
53  */
54 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
55 #define CONFIG_SKIP_LOWLEVEL_INIT
56 #endif
57 
58 /*
59  * When building U-Boot such that there is no previous loader
60  * we need to call board_early_init_f.  This is taken care of in
61  * s_init when we have SPL used.
62  */
63 
64 /* Now bring in the rest of the common code. */
65 #include <configs/ti_armv7_omap.h>
66 
67 #endif	/* __CONFIG_TI_AM335X_COMMON_H__ */
68