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Marek Vasut5434caf2013-06-16 15:39:02 +02001/*
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
Marek Vasut5434caf2013-06-16 15:39:02 +020044/* MXS uses FDT */
45#define CONFIG_OF_LIBFDT
46
47/* Startup hooks */
48#define CONFIG_BOARD_EARLY_INIT_F
49#define CONFIG_ARCH_MISC_INIT
50
51/* SPL */
52#define CONFIG_SPL
53#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
54#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
55#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
56#define CONFIG_SPL_LIBCOMMON_SUPPORT
57#define CONFIG_SPL_LIBGENERIC_SUPPORT
58#define CONFIG_SPL_GPIO_SUPPORT
59
60/* Memory sizes */
61#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
62#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
63#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
64#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
65
66/* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */
67#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
68#if defined(CONFIG_MX23)
69#define CONFIG_SYS_INIT_RAM_SIZE (32 * 1024)
70#elif defined(CONFIG_MX28)
71#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
72#endif
73
74/* Point initial SP in SRAM so SPL can use it too. */
75#define CONFIG_SYS_INIT_SP_OFFSET \
76 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
77#define CONFIG_SYS_INIT_SP_ADDR \
78 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
79
80/*
81 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
82 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
83 * binary. In case there was more of this mess, 0x100 bytes are skipped.
84 */
85#define CONFIG_SYS_TEXT_BASE 0x40000100
86
87/* U-Boot general configuration */
88#define CONFIG_SYS_LONGHELP
89#ifndef CONFIG_SYS_PROMPT
Marek Vasut5434caf2013-06-16 15:39:02 +020090#endif
91#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
92#define CONFIG_SYS_PBSIZE \
93 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
94 /* Print buffer size */
95#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
96#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
97 /* Boot argument buffer size */
98#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
99#define CONFIG_AUTO_COMPLETE /* Command auto complete */
100#define CONFIG_CMDLINE_EDITING /* Command history etc */
101#define CONFIG_SYS_HUSH_PARSER
102#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
103
104/* Booting Linux */
105#define CONFIG_CMDLINE_TAG
106#define CONFIG_SETUP_MEMORY_TAGS
107
108/*
109 * Drivers
110 */
111
112/* APBH DMA */
113#define CONFIG_APBH_DMA
114
115/* GPIO */
116#define CONFIG_MXS_GPIO
117
Andreas Wass0cfb8af2013-08-16 18:24:37 +0200118/*
119 * DUART Serial Driver.
120 * Conflicts with AUART driver which can be set by board.
121 */
122#ifndef CONFIG_MXS_AUART
Marek Vasut5434caf2013-06-16 15:39:02 +0200123#define CONFIG_PL011_SERIAL
124#define CONFIG_PL011_CLOCK 24000000
125#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
126#define CONFIG_CONS_INDEX 0
Andreas Wass0cfb8af2013-08-16 18:24:37 +0200127#endif
Marek Vasut5434caf2013-06-16 15:39:02 +0200128/* Default baudrate can be overriden by board! */
129#ifndef CONFIG_BAUDRATE
130#define CONFIG_BAUDRATE 115200
131#endif
132
133/* FEC Ethernet on SoC */
134#ifdef CONFIG_FEC_MXC
135#define CONFIG_MII
136#ifndef CONFIG_ETHPRIME
137#define CONFIG_ETHPRIME "FEC0"
138#endif
139#ifndef CONFIG_FEC_XCV_TYPE
140#define CONFIG_FEC_XCV_TYPE RMII
141#endif
142#endif
143
144/* I2C */
145#ifdef CONFIG_CMD_I2C
146#define CONFIG_I2C_MXS
147#define CONFIG_HARD_I2C
148#ifndef CONFIG_SYS_I2C_SPEED
149#define CONFIG_SYS_I2C_SPEED 400000
150#endif
151#endif
152
153/* LCD */
154#ifdef CONFIG_VIDEO
155#define CONFIG_CFB_CONSOLE
156#define CONFIG_VIDEO_MXS
157#define CONFIG_VIDEO_SW_CURSOR
158#define CONFIG_VGA_AS_SINGLE_DEVICE
159#define CONFIG_SYS_CONSOLE_IS_IN_ENV
160#endif
161
162/* MMC */
163#ifdef CONFIG_CMD_MMC
164#define CONFIG_MMC
165#define CONFIG_GENERIC_MMC
166#define CONFIG_BOUNCE_BUFFER
167#define CONFIG_MXS_MMC
168#endif
169
170/* NAND */
171#ifdef CONFIG_CMD_NAND
172#define CONFIG_NAND_MXS
173#define CONFIG_SYS_MAX_NAND_DEVICE 1
174#define CONFIG_SYS_NAND_BASE 0x60000000
175#define CONFIG_SYS_NAND_5_ADDR_CYCLE
176#endif
177
178/* SPI */
179#ifdef CONFIG_CMD_SPI
180#define CONFIG_HARD_SPI
181#define CONFIG_MXS_SPI
182#define CONFIG_SPI_HALF_DUPLEX
183#endif
184
185/* USB */
186#ifdef CONFIG_CMD_USB
187#define CONFIG_USB_EHCI
188#define CONFIG_USB_EHCI_MXS
189#define CONFIG_EHCI_IS_TDI
190#endif
191
192#endif /* __CONFIGS_MXS_H__ */