include/configs/s5p4418_nanopi2.h

   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 CFG_SYS_SDRAM_BASE              0x71000000
  22
  23 /*
  24  * "(0x40000000 - CONFIG_SYS_RESERVE_MEM_SIZE)" has been used in
  25  * u-boot nanopi2-v2016.01.
  26  * This is not working anymore because boot_fdt_add_mem_rsv_regions() in
  27  * common/image-fdt.c has been extended:
  28  * Also reserved-memory sections are marked as unusable.
  29  *
  30  * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi:
  31  *        reserved-memory {
  32  *            #address-cells = <1>;
  33  *            #size-cells = <1>;
  34  *            ranges;
  35  *
  36  *            secure_memory@b0000000 {
  37  *                reg = <0xB0000000 0x1000000>;
  38  *                nop-map;
  39  *            };
  40  *        };
  41  *
  42  * arch_lmb_reserve() of arch/arm/lib/bootm.c:
  43  *     "Allocate space for command line and board info - ... below the current
  44  *      stack pointer."
  45  *      --> Memory allocated would overlap with "secure_memory@b0000000"
  46  *      --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails,
  47  *      boot output:
  48  *        ...
  49  *        Kernel image @ 0x71080000 [ 0x000000 - 0x60e628 ]
  50  *        ## Flattened Device Tree blob at 7a000000
  51  *           Booting using the fdt blob at 0x7a000000
  52  *        ERROR: reserving fdt memory region failed (addr=b0000000 size=1000000)
  53  *           Using Device Tree in place at 7a000000, end 7a00fbf0
  54  *
  55  *        Starting kernel ...
  56  *        ...
  57  */
  58 #define CFG_SYS_SDRAM_SIZE              (0xb0000000 - CFG_SYS_SDRAM_BASE)
  59
  60 #define BMP_LOAD_ADDR                   0x78000000
  61
  62 /* kernel load address */
  63 #define INITRD_START                    0x79000000
  64 #define KERNEL_DTB_ADDR                 0x7A000000
  65
  66 /*-----------------------------------------------------------------------
  67  *  High Level System Configuration
  68  */
  69 /* decrementer freq: 1ms ticks */
  70
  71 /*-----------------------------------------------------------------------
  72  *  System initialize options (board_init_f)
  73  */
  74 /* board_init_f->init_sequence, call arch_cpu_init */
  75
  76 /*-----------------------------------------------------------------------
  77  * serial console configuration
  78  */
  79
  80 /* 150MHz is the clock rate set by SPL (uart0) */
  81 #define CFG_PL011_CLOCK         150000000
  82
  83 /*-----------------------------------------------------------------------
  84  * BACKLIGHT
  85  */
  86 #ifndef CONFIG_S5P4418_ONEWIRE
  87 #ifdef CONFIG_PWM_NX
  88 /* fallback to pwm */
  89 #define BACKLIGHT_CH            0
  90 #define BACKLIGHT_DIV           0
  91 #define BACKLIGHT_INV           0
  92 #define BACKLIGHT_DUTY          50
  93 #define BACKLIGHT_HZ            1000
  94 #endif
  95 #endif
  96
  97 /*-----------------------------------------------------------------------
  98  * VIDEO
  99  */
 100
 101 #ifdef CONFIG_VIDEO_LOGO
 102 #ifdef CONFIG_SPLASH_SCREEN
 103 #define SPLASH_FILE                     logo.bmp
 104 #endif
 105
 106 #endif
 107
 108 /*-----------------------------------------------------------------------
 109  * ENV
 110  */
 111 #define BLOADER_MMC                                             \
 112         "ext4load mmc ${rootdev}:${bootpart} "
 113
 114 #ifdef CONFIG_OF_BOARD_SETUP
 115 #define EXTRA_ENV_DTB_RESERVE                                   \
 116         "dtb_reserve="                                          \
 117         "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
 118 #else
 119 #define EXTRA_ENV_DTB_RESERVE                                   \
 120         "dtb_reserve="                                          \
 121         "if test -n \"$fb_addr\"; then "                        \
 122           "fdt addr $dtb_addr;"                                 \
 123           "fdt resize;"                                         \
 124           "fdt mk /reserved-memory display_reserved;"           \
 125           "fdt set /reserved-memory/display_reserved "          \
 126             "reg <$fb_addr 0x800000>;"                          \
 127         "fi;\0"
 128 #endif
 129
 130 #ifdef CONFIG_SPLASH_SCREEN
 131 #define EXTRA_ENV_BOOT_LOGO                                     \
 132         "splashimage=" __stringify(BMP_LOAD_ADDR)"\0"           \
 133         "splashfile=" __stringify(SPLASH_FILE)"\0"              \
 134         "splashpos=m,m\0"                                       \
 135         "fb_addr=\0"                                            \
 136         EXTRA_ENV_DTB_RESERVE
 137 #else
 138         #define EXTRA_ENV_BOOT_LOGO  EXTRA_ENV_DTB_RESERVE
 139 #endif
 140
 141 #define CFG_EXTRA_ENV_SETTINGS                          \
 142         "fdt_high=0xffffffff\0"                                 \
 143         "initrd_high=0xffffffff\0"                              \
 144         "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0"            \
 145         "rootpart=" __stringify(CONFIG_ROOT_PART) "\0"          \
 146         "bootpart=" __stringify(CONFIG_BOOT_PART) "\0"          \
 147         "kernel=zImage\0"                                       \
 148         "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"      \
 149         "dtb_name=s5p4418-nanopi2-rev01.dtb\0"                  \
 150         "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0"           \
 151         "initrd_name=ramdisk.img\0"                             \
 152         "initrd_addr=" __stringify(INITRD_START) "\0"           \
 153         "initrd_size=0x600000\0"                                \
 154         "load_dtb="                                             \
 155                 BLOADER_MMC "${dtb_addr} ${dtb_name}; "         \
 156                 "run dtb_reserve\0"                             \
 157         "load_kernel="                                          \
 158                 BLOADER_MMC "${loadaddr} ${kernel}\0"           \
 159         "load_initrd="                                          \
 160                 BLOADER_MMC "${initrd_addr} ${initrd_name}; "   \
 161                 "setenv initrd_size 0x${filesize}\0"            \
 162         "mmcboot="                                              \
 163                 "run load_kernel; run load_initrd; run load_dtb; "      \
 164                 "bootz ${loadaddr} ${initrd_addr}:${initrd_size} "      \
 165                   "${dtb_addr}\0"                               \
 166         "bootcmd=run mmcboot\0"                                 \
 167         EXTRA_ENV_BOOT_LOGO
 168
 169 #endif /* __CONFIG_H__ */