summaryrefslogtreecommitdiff
path: root/include/configs/s5p4418_nanopi2.h
blob: 1b1b2bfb67aebdec5f6cdb104bf70e3ed03f370e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/* SPDX-License-Identifier: GPL-2.0+
 *
 * Copyright (C) Guangzhou FriendlyARM Computer Tech. Co., Ltd.
 * (http://www.friendlyarm.com)
 *
 * (C) Copyright 2016 Nexell
 * Hyejung Kwon <cjscld15@nexell.co.kr>
 *
 * Copyright (C) 2019  Stefan Bosch <stefan_b@posteo.net>
 */

#ifndef __CONFIG_H__
#define __CONFIG_H__

#include <linux/sizes.h>
#include <asm/arch/nexell.h>

/*-----------------------------------------------------------------------
 *  System memory Configuration
 */
#define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MEM_SIZE		0x40000000
#define CONFIG_SYS_SDRAM_BASE		0x71000000

/*
 * "(CONFIG_SYS_MEM_SIZE - CONFIG_SYS_RESERVE_MEM_SIZE)" has been used in
 * u-boot nanopi2-v2016.01.
 * This is not working anymore because boot_fdt_add_mem_rsv_regions() in
 * common/image-fdt.c has been extended:
 * Also reserved-memory sections are marked as unusable.
 *
 * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi:
 *        reserved-memory {
 *            #address-cells = <1>;
 *            #size-cells = <1>;
 *            ranges;
 *
 *            secure_memory@b0000000 {
 *                reg = <0xB0000000 0x1000000>;
 *                nop-map;
 *            };
 *        };
 *
 * arch_lmb_reserve() of arch/arm/lib/bootm.c:
 *     "Allocate space for command line and board info - ... below the current
 *      stack pointer."
 *      --> Memory allocated would overlap with "secure_memory@b0000000"
 *      --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails,
 *      boot output:
 *        ...
 *        Kernel image @ 0x71080000 [ 0x000000 - 0x60e628 ]
 *        ## Flattened Device Tree blob at 7a000000
 *           Booting using the fdt blob at 0x7a000000
 *        ERROR: reserving fdt memory region failed (addr=b0000000 size=1000000)
 *           Using Device Tree in place at 7a000000, end 7a00fbf0
 *
 *        Starting kernel ...
 *        ...
 */
#define CONFIG_SYS_SDRAM_SIZE		(0xb0000000 - CONFIG_SYS_SDRAM_BASE)

#define BMP_LOAD_ADDR			0x78000000

/* kernel load address */
#define INITRD_START			0x79000000
#define KERNEL_DTB_ADDR			0x7A000000

/*-----------------------------------------------------------------------
 *  High Level System Configuration
 */
/* Not used: not need IRQ/FIQ stuff */
#undef  CONFIG_USE_IRQ
/* decrementer freq: 1ms ticks */

/*-----------------------------------------------------------------------
 *  System initialize options (board_init_f)
 */
/* board_init_f->init_sequence, call arch_cpu_init */

/* Console I/O Buffer Size */
#define CONFIG_SYS_CBSIZE		1024
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +             \
					 sizeof(CONFIG_SYS_PROMPT) + 16)
/* max number of command args */
#define CONFIG_SYS_MAXARGS		16
/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE

/*-----------------------------------------------------------------------
 * Etc Command definition
 */
#undef CONFIG_BOOTM_NETBSD
#undef CONFIG_BOOTM_RTEMS

/*-----------------------------------------------------------------------
 * serial console configuration
 */
#define CONFIG_PL011_CLOCK		50000000
#define CONFIG_PL01x_PORTS		{(void *)PHY_BASEADDR_UART0, \
					 (void *)PHY_BASEADDR_UART1, \
					 (void *)PHY_BASEADDR_UART2, \
					 (void *)PHY_BASEADDR_UART3}

/*-----------------------------------------------------------------------
 * PLL
 */
#define CONFIG_SYS_PLLFIN		24000000UL

/*-----------------------------------------------------------------------
 * Timer
 */
#define CONFIG_TIMER_SYS_TICK_CH	0

/*-----------------------------------------------------------------------
 * BACKLIGHT
 */
#ifndef CONFIG_S5P4418_ONEWIRE
#ifdef CONFIG_PWM_NX
/* fallback to pwm */
#define BACKLIGHT_CH		0
#define BACKLIGHT_DIV		0
#define BACKLIGHT_INV		0
#define BACKLIGHT_DUTY		50
#define BACKLIGHT_HZ		1000
#endif
#endif

/*-----------------------------------------------------------------------
 * VIDEO
 */

#ifdef CONFIG_VIDEO_LOGO
#ifdef CONFIG_SPLASH_SCREEN
#define SPLASH_FILE			logo.bmp
#endif

#endif

/*-----------------------------------------------------------------------
 * ENV
 */
#define BLOADER_MMC						\
	"ext4load mmc ${rootdev}:${bootpart} "

#ifdef CONFIG_OF_BOARD_SETUP
#define EXTRA_ENV_DTB_RESERVE					\
	"dtb_reserve="						\
	"if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
#else
#define EXTRA_ENV_DTB_RESERVE					\
	"dtb_reserve="						\
	"if test -n \"$fb_addr\"; then "			\
	  "fdt addr $dtb_addr;"					\
	  "fdt resize;"						\
	  "fdt mk /reserved-memory display_reserved;"		\
	  "fdt set /reserved-memory/display_reserved "		\
	    "reg <$fb_addr 0x800000>;"				\
	"fi;\0"
#endif

#ifdef CONFIG_SPLASH_SCREEN
#define EXTRA_ENV_BOOT_LOGO					\
	"splashimage=" __stringify(BMP_LOAD_ADDR)"\0"		\
	"splashfile=" __stringify(SPLASH_FILE)"\0"		\
	"splashpos=m,m\0"					\
	"fb_addr=\0"						\
	EXTRA_ENV_DTB_RESERVE
#else
	#define EXTRA_ENV_BOOT_LOGO  EXTRA_ENV_DTB_RESERVE
#endif

#define CONFIG_EXTRA_ENV_SETTINGS				\
	"fdt_high=0xffffffff\0"					\
	"initrd_high=0xffffffff\0"				\
	"rootdev=" __stringify(CONFIG_ROOT_DEV) "\0"		\
	"rootpart=" __stringify(CONFIG_ROOT_PART) "\0"		\
	"bootpart=" __stringify(CONFIG_BOOT_PART) "\0"		\
	"kernel=zImage\0"					\
	"loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"	\
	"dtb_name=s5p4418-nanopi2-rev01.dtb\0"			\
	"dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0"		\
	"initrd_name=ramdisk.img\0"				\
	"initrd_addr=" __stringify(INITRD_START) "\0"		\
	"initrd_size=0x600000\0"				\
	"load_dtb="						\
		BLOADER_MMC "${dtb_addr} ${dtb_name}; "		\
		"run dtb_reserve\0"				\
	"load_kernel="						\
		BLOADER_MMC "${loadaddr} ${kernel}\0"		\
	"load_initrd="						\
		BLOADER_MMC "${initrd_addr} ${initrd_name}; "	\
		"setenv initrd_size 0x${filesize}\0"		\
	"mmcboot="						\
		"run load_kernel; run load_initrd; run load_dtb; "	\
		"bootz ${loadaddr} ${initrd_addr}:${initrd_size} "	\
		  "${dtb_addr}\0"				\
	"bootcmd=run mmcboot\0"					\
	EXTRA_ENV_BOOT_LOGO

#endif /* __CONFIG_H__ */