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_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
15 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
16 
17 #include <asm/arch/omap.h>
18 
19 /* NS16550 Configuration */
20 #ifdef CONFIG_SPL_BUILD
21 #define CONFIG_SYS_NS16550_SERIAL
22 #ifndef CONFIG_DM_SERIAL
23 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
24 #endif
25 #endif
26 #define CONFIG_SYS_NS16550_CLK		48000000
27 
28 #ifndef CONFIG_SPL_BUILD
29 /* Network defines. */
30 #define CONFIG_NET_RETRY_COUNT         10
31 #endif
32 
33 /*
34  * SPL related defines.  The Public RAM memory map the ROM defines the
35  * area between 0x402F0400 and 0x4030B800 as a download area and
36  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
37  * supports X-MODEM loading via UART, and we leverage this and then use
38  * Y-MODEM to load u-boot.img, when booted over UART.
39  */
40 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
41 					 (128 << 20))
42 
43 /* Enable the watchdog inside of SPL */
44 
45 /*
46  * Since SPL did pll and ddr initialization for us,
47  * we don't need to do it twice.
48  */
49 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
50 #define CONFIG_SKIP_LOWLEVEL_INIT
51 #endif
52 
53 /*
54  * When building U-Boot such that there is no previous loader
55  * we need to call board_early_init_f.  This is taken care of in
56  * s_init when we have SPL used.
57  */
58 
59 /* Now bring in the rest of the common code. */
60 #include <configs/ti_armv7_omap.h>
61 
62 #endif	/* __CONFIG_TI_AM335X_COMMON_H__ */
63