1/*
2 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17 * MA 02111-1307 USA
18 */
19#ifndef __CONFIGS_MXS_H__
20#define __CONFIGS_MXS_H__
21
22/*
23 * Includes
24 */
25
26#if defined(CONFIG_MX23) && defined(CONFIG_MX28)
27#error Select either CONFIG_MX23 or CONFIG_MX28 , never both!
28#elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28)
29#error Select one of CONFIG_MX23 or CONFIG_MX28 !
30#endif
31
32#include <asm/arch/regs-base.h>
33
34#if defined(CONFIG_MX23)
35#include <asm/arch/iomux-mx23.h>
36#elif defined(CONFIG_MX28)
37#include <asm/arch/iomux-mx28.h>
38#endif
39
40/*
41 * CPU specifics
42 */
43
44/* Startup hooks */
45
46/* Memory sizes */
47
48/* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */
49#define CFG_SYS_INIT_RAM_ADDR	0x00000000
50#if defined(CONFIG_MX23)
51#define CFG_SYS_INIT_RAM_SIZE	(32 * 1024)
52#elif defined(CONFIG_MX28)
53#define CFG_SYS_INIT_RAM_SIZE	(128 * 1024)
54#endif
55
56/* Point initial SP in SRAM so SPL can use it too. */
57
58/*
59 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
60 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
61 * binary. In case there was more of this mess, 0x100 bytes are skipped.
62 *
63 * In case of a HAB boot, we cannot for some weird reason use the first 4KiB
64 * of DRAM when loading. Moreover, we use the first 4 KiB for IVT and CST
65 * blocks, thus U-Boot starts at offset +8 KiB of DRAM start.
66 *
67 * As for the SPL, we must avoid the first 4 KiB as well, but we load the
68 * IVT and CST to 0x8000, so we don't need to waste the subsequent 4 KiB.
69 */
70
71/* U-Boot general configuration */
72
73/*
74 * Drivers
75 */
76/*
77 * DUART Serial Driver.
78 * Conflicts with AUART driver which can be set by board.
79 */
80#define CFG_PL011_CLOCK		24000000
81#define CFG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
82/* Default baudrate can be overridden by board! */
83
84/* NAND */
85#ifdef CONFIG_CMD_NAND
86#define CFG_SYS_NAND_BASE		0x60000000
87#endif
88
89#endif	/* __CONFIGS_MXS_H__ */
90