1 /* SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) Guangzhou FriendlyARM Computer Tech. Co., Ltd.
4 * (http://www.friendlyarm.com)
6 * (C) Copyright 2016 Nexell
7 * Hyejung Kwon <cjscld15@nexell.co.kr>
9 * Copyright (C) 2019 Stefan Bosch <stefan_b@posteo.net>
15 #include <linux/sizes.h>
16 #include <asm/arch/nexell.h>
18 /*-----------------------------------------------------------------------
19 * System memory Configuration
21 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
22 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
23 #define CONFIG_SYS_MEM_SIZE 0x40000000
24 #define CONFIG_SYS_SDRAM_BASE 0x71000000
27 * "(CONFIG_SYS_MEM_SIZE - CONFIG_SYS_RESERVE_MEM_SIZE)" has been used in
28 * u-boot nanopi2-v2016.01.
29 * This is not working anymore because boot_fdt_add_mem_rsv_regions() in
30 * common/image-fdt.c has been extended:
31 * Also reserved-memory sections are marked as unusable.
33 * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi:
35 * #address-cells = <1>;
39 * secure_memory@b0000000 {
40 * reg = <0xB0000000 0x1000000>;
45 * arch_lmb_reserve() of arch/arm/lib/bootm.c:
46 * "Allocate space for command line and board info - ... below the current
48 * --> Memory allocated would overlap with "secure_memory@b0000000"
49 * --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails,
52 * Kernel image @ 0x71080000 [ 0x000000 - 0x60e628 ]
53 * ## Flattened Device Tree blob at 7a000000
54 * Booting using the fdt blob at 0x7a000000
55 * ERROR: reserving fdt memory region failed (addr=b0000000 size=1000000)
56 * Using Device Tree in place at 7a000000, end 7a00fbf0
61 #define CONFIG_SYS_SDRAM_SIZE (0xb0000000 - CONFIG_SYS_SDRAM_BASE)
63 #define CONFIG_SYS_MALLOC_LEN (32 * 1024 * 1024)
65 #define BMP_LOAD_ADDR 0x78000000
67 /* kernel load address */
68 #define INITRD_START 0x79000000
69 #define KERNEL_DTB_ADDR 0x7A000000
71 /*-----------------------------------------------------------------------
72 * High Level System Configuration
74 /* Not used: not need IRQ/FIQ stuff */
76 /* decrementer freq: 1ms ticks */
77 #define CONFIG_SYS_HZ 1000
79 /*-----------------------------------------------------------------------
80 * System initialize options (board_init_f)
82 /* board_init_f->init_sequence, call arch_cpu_init */
83 #define CONFIG_ARCH_CPU_INIT
85 /*-----------------------------------------------------------------------
86 * Miscellaneous configurable options
88 #ifdef CONFIG_SYS_PROMPT
89 #undef CONFIG_SYS_PROMPT
90 /* Monitor Command Prompt */
91 #define CONFIG_SYS_PROMPT "nanopi2# "
94 /* Console I/O Buffer Size */
95 #define CONFIG_SYS_CBSIZE 1024
96 /* Print Buffer Size */
97 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
98 sizeof(CONFIG_SYS_PROMPT) + 16)
99 /* max number of command args */
100 #define CONFIG_SYS_MAXARGS 16
101 /* Boot Argument Buffer Size */
102 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
104 /*-----------------------------------------------------------------------
105 * Etc Command definition
107 #undef CONFIG_BOOTM_NETBSD
108 #undef CONFIG_BOOTM_RTEMS
110 /*-----------------------------------------------------------------------
111 * serial console configuration
113 #define CONFIG_PL011_CLOCK 50000000
114 #define CONFIG_PL01x_PORTS {(void *)PHY_BASEADDR_UART0, \
115 (void *)PHY_BASEADDR_UART1, \
116 (void *)PHY_BASEADDR_UART2, \
117 (void *)PHY_BASEADDR_UART3}
118 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
120 /*-----------------------------------------------------------------------
123 #define CONFIG_SYS_PLLFIN 24000000UL
125 /*-----------------------------------------------------------------------
128 #define CONFIG_TIMER_SYS_TICK_CH 0
130 /*-----------------------------------------------------------------------
133 #ifndef CONFIG_S5P4418_ONEWIRE
135 /* fallback to pwm */
136 #define BACKLIGHT_CH 0
137 #define BACKLIGHT_DIV 0
138 #define BACKLIGHT_INV 0
139 #define BACKLIGHT_DUTY 50
140 #define BACKLIGHT_HZ 1000
144 /*-----------------------------------------------------------------------
148 #define CONFIG_VIDEO_LOGO
150 #ifdef CONFIG_VIDEO_LOGO
151 #ifdef CONFIG_SPLASH_SCREEN
152 #define SPLASH_FILE logo.bmp
157 /*-----------------------------------------------------------------------
160 #define BLOADER_MMC \
161 "ext4load mmc ${rootdev}:${bootpart} "
163 #ifdef CONFIG_OF_BOARD_SETUP
164 #define EXTRA_ENV_DTB_RESERVE \
166 "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
168 #define EXTRA_ENV_DTB_RESERVE \
170 "if test -n \"$fb_addr\"; then " \
171 "fdt addr $dtb_addr;" \
173 "fdt mk /reserved-memory display_reserved;" \
174 "fdt set /reserved-memory/display_reserved " \
175 "reg <$fb_addr 0x800000>;" \
179 #ifdef CONFIG_SPLASH_SCREEN
180 #define EXTRA_ENV_BOOT_LOGO \
181 "splashimage=" __stringify(BMP_LOAD_ADDR)"\0" \
182 "splashfile=" __stringify(SPLASH_FILE)"\0" \
185 EXTRA_ENV_DTB_RESERVE
187 #define EXTRA_ENV_BOOT_LOGO EXTRA_ENV_DTB_RESERVE
190 #define CONFIG_EXTRA_ENV_SETTINGS \
191 "fdt_high=0xffffffff\0" \
192 "initrd_high=0xffffffff\0" \
193 "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0" \
194 "rootpart=" __stringify(CONFIG_ROOT_PART) "\0" \
195 "bootpart=" __stringify(CONFIG_BOOT_PART) "\0" \
197 "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
198 "dtb_name=s5p4418-nanopi2-rev01.dtb\0" \
199 "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0" \
200 "initrd_name=ramdisk.img\0" \
201 "initrd_addr=" __stringify(INITRD_START) "\0" \
202 "initrd_size=0x600000\0" \
204 BLOADER_MMC "${dtb_addr} ${dtb_name}; " \
205 "run dtb_reserve\0" \
207 BLOADER_MMC "${loadaddr} ${kernel}\0" \
209 BLOADER_MMC "${initrd_addr} ${initrd_name}; " \
210 "setenv initrd_size 0x${filesize}\0" \
212 "run load_kernel; run load_initrd; run load_dtb; " \
213 "bootz ${loadaddr} ${initrd_addr}:${initrd_size} " \
215 "bootcmd=run mmcboot\0" \
218 #endif /* __CONFIG_H__ */