1 /* SPDX-License-Identifier: GPL-2.0+ 2 * 3 * Copyright (C) Guangzhou FriendlyARM Computer Tech. Co., Ltd. 4 * (http://www.friendlyarm.com) 5 * 6 * (C) Copyright 2016 Nexell 7 * Hyejung Kwon <cjscld15@nexell.co.kr> 8 * 9 * Copyright (C) 2019 Stefan Bosch <stefan_b@posteo.net> 10 */ 11 12 #ifndef __CONFIG_H__ 13 #define __CONFIG_H__ 14 15 #include <linux/sizes.h> 16 #include <asm/arch/nexell.h> 17 18 /*----------------------------------------------------------------------- 19 * System memory Configuration 20 */ 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 25 26 /* 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. 32 * 33 * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi: 34 * reserved-memory { 35 * #address-cells = <1>; 36 * #size-cells = <1>; 37 * ranges; 38 * 39 * secure_memory@b0000000 { 40 * reg = <0xB0000000 0x1000000>; 41 * nop-map; 42 * }; 43 * }; 44 * 45 * arch_lmb_reserve() of arch/arm/lib/bootm.c: 46 * "Allocate space for command line and board info - ... below the current 47 * stack pointer." 48 * --> Memory allocated would overlap with "secure_memory@b0000000" 49 * --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails, 50 * boot output: 51 * ... 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 57 * 58 * Starting kernel ... 59 * ... 60 */ 61 #define CONFIG_SYS_SDRAM_SIZE (0xb0000000 - CONFIG_SYS_SDRAM_BASE) 62 63 #define BMP_LOAD_ADDR 0x78000000 64 65 /* kernel load address */ 66 #define INITRD_START 0x79000000 67 #define KERNEL_DTB_ADDR 0x7A000000 68 69 /*----------------------------------------------------------------------- 70 * High Level System Configuration 71 */ 72 /* Not used: not need IRQ/FIQ stuff */ 73 #undef CONFIG_USE_IRQ 74 /* decrementer freq: 1ms ticks */ 75 #define CONFIG_SYS_HZ 1000 76 77 /*----------------------------------------------------------------------- 78 * System initialize options (board_init_f) 79 */ 80 /* board_init_f->init_sequence, call arch_cpu_init */ 81 #define CONFIG_ARCH_CPU_INIT 82 83 /*----------------------------------------------------------------------- 84 * Miscellaneous configurable options 85 */ 86 #ifdef CONFIG_SYS_PROMPT 87 #undef CONFIG_SYS_PROMPT 88 /* Monitor Command Prompt */ 89 #define CONFIG_SYS_PROMPT "nanopi2# " 90 #endif 91 92 /* Console I/O Buffer Size */ 93 #define CONFIG_SYS_CBSIZE 1024 94 /* Print Buffer Size */ 95 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 96 sizeof(CONFIG_SYS_PROMPT) + 16) 97 /* max number of command args */ 98 #define CONFIG_SYS_MAXARGS 16 99 /* Boot Argument Buffer Size */ 100 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 101 102 /*----------------------------------------------------------------------- 103 * Etc Command definition 104 */ 105 #undef CONFIG_BOOTM_NETBSD 106 #undef CONFIG_BOOTM_RTEMS 107 108 /*----------------------------------------------------------------------- 109 * serial console configuration 110 */ 111 #define CONFIG_PL011_CLOCK 50000000 112 #define CONFIG_PL01x_PORTS {(void *)PHY_BASEADDR_UART0, \ 113 (void *)PHY_BASEADDR_UART1, \ 114 (void *)PHY_BASEADDR_UART2, \ 115 (void *)PHY_BASEADDR_UART3} 116 117 /*----------------------------------------------------------------------- 118 * PLL 119 */ 120 #define CONFIG_SYS_PLLFIN 24000000UL 121 122 /*----------------------------------------------------------------------- 123 * Timer 124 */ 125 #define CONFIG_TIMER_SYS_TICK_CH 0 126 127 /*----------------------------------------------------------------------- 128 * BACKLIGHT 129 */ 130 #ifndef CONFIG_S5P4418_ONEWIRE 131 #ifdef CONFIG_PWM_NX 132 /* fallback to pwm */ 133 #define BACKLIGHT_CH 0 134 #define BACKLIGHT_DIV 0 135 #define BACKLIGHT_INV 0 136 #define BACKLIGHT_DUTY 50 137 #define BACKLIGHT_HZ 1000 138 #endif 139 #endif 140 141 /*----------------------------------------------------------------------- 142 * VIDEO 143 */ 144 145 #define CONFIG_VIDEO_LOGO 146 147 #ifdef CONFIG_VIDEO_LOGO 148 #ifdef CONFIG_SPLASH_SCREEN 149 #define SPLASH_FILE logo.bmp 150 #endif 151 152 #endif 153 154 /*----------------------------------------------------------------------- 155 * ENV 156 */ 157 #define BLOADER_MMC \ 158 "ext4load mmc ${rootdev}:${bootpart} " 159 160 #ifdef CONFIG_OF_BOARD_SETUP 161 #define EXTRA_ENV_DTB_RESERVE \ 162 "dtb_reserve=" \ 163 "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0" 164 #else 165 #define EXTRA_ENV_DTB_RESERVE \ 166 "dtb_reserve=" \ 167 "if test -n \"$fb_addr\"; then " \ 168 "fdt addr $dtb_addr;" \ 169 "fdt resize;" \ 170 "fdt mk /reserved-memory display_reserved;" \ 171 "fdt set /reserved-memory/display_reserved " \ 172 "reg <$fb_addr 0x800000>;" \ 173 "fi;\0" 174 #endif 175 176 #ifdef CONFIG_SPLASH_SCREEN 177 #define EXTRA_ENV_BOOT_LOGO \ 178 "splashimage=" __stringify(BMP_LOAD_ADDR)"\0" \ 179 "splashfile=" __stringify(SPLASH_FILE)"\0" \ 180 "splashpos=m,m\0" \ 181 "fb_addr=\0" \ 182 EXTRA_ENV_DTB_RESERVE 183 #else 184 #define EXTRA_ENV_BOOT_LOGO EXTRA_ENV_DTB_RESERVE 185 #endif 186 187 #define CONFIG_EXTRA_ENV_SETTINGS \ 188 "fdt_high=0xffffffff\0" \ 189 "initrd_high=0xffffffff\0" \ 190 "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0" \ 191 "rootpart=" __stringify(CONFIG_ROOT_PART) "\0" \ 192 "bootpart=" __stringify(CONFIG_BOOT_PART) "\0" \ 193 "kernel=zImage\0" \ 194 "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \ 195 "dtb_name=s5p4418-nanopi2-rev01.dtb\0" \ 196 "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0" \ 197 "initrd_name=ramdisk.img\0" \ 198 "initrd_addr=" __stringify(INITRD_START) "\0" \ 199 "initrd_size=0x600000\0" \ 200 "load_dtb=" \ 201 BLOADER_MMC "${dtb_addr} ${dtb_name}; " \ 202 "run dtb_reserve\0" \ 203 "load_kernel=" \ 204 BLOADER_MMC "${loadaddr} ${kernel}\0" \ 205 "load_initrd=" \ 206 BLOADER_MMC "${initrd_addr} ${initrd_name}; " \ 207 "setenv initrd_size 0x${filesize}\0" \ 208 "mmcboot=" \ 209 "run load_kernel; run load_initrd; run load_dtb; " \ 210 "bootz ${loadaddr} ${initrd_addr}:${initrd_size} " \ 211 "${dtb_addr}\0" \ 212 "bootcmd=run mmcboot\0" \ 213 EXTRA_ENV_BOOT_LOGO 214 215 #endif /* __CONFIG_H__ */ 216