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 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
  76 /*-----------------------------------------------------------------------
  77  *  System initialize options (board_init_f)
  78  */
  79 /* board_init_f->init_sequence, call arch_cpu_init */
  80
  81 /* Console I/O Buffer Size */
  82 #define CONFIG_SYS_CBSIZE               1024
  83 /* Print Buffer Size */
  84 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE +             \
  85                                          sizeof(CONFIG_SYS_PROMPT) + 16)
  86 /* max number of command args */
  87 #define CONFIG_SYS_MAXARGS              16
  88 /* Boot Argument Buffer Size */
  89 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
  90
  91 /*-----------------------------------------------------------------------
  92  * Etc Command definition
  93  */
  94 #undef CONFIG_BOOTM_NETBSD
  95 #undef CONFIG_BOOTM_RTEMS
  96
  97 /*-----------------------------------------------------------------------
  98  * serial console configuration
  99  */
 100 #define CONFIG_PL011_CLOCK              50000000
 101 #define CONFIG_PL01x_PORTS              {(void *)PHY_BASEADDR_UART0, \
 102                                          (void *)PHY_BASEADDR_UART1, \
 103                                          (void *)PHY_BASEADDR_UART2, \
 104                                          (void *)PHY_BASEADDR_UART3}
 105
 106 /*-----------------------------------------------------------------------
 107  * BACKLIGHT
 108  */
 109 #ifndef CONFIG_S5P4418_ONEWIRE
 110 #ifdef CONFIG_PWM_NX
 111 /* fallback to pwm */
 112 #define BACKLIGHT_CH            0
 113 #define BACKLIGHT_DIV           0
 114 #define BACKLIGHT_INV           0
 115 #define BACKLIGHT_DUTY          50
 116 #define BACKLIGHT_HZ            1000
 117 #endif
 118 #endif
 119
 120 /*-----------------------------------------------------------------------
 121  * VIDEO
 122  */
 123
 124 #ifdef CONFIG_VIDEO_LOGO
 125 #ifdef CONFIG_SPLASH_SCREEN
 126 #define SPLASH_FILE                     logo.bmp
 127 #endif
 128
 129 #endif
 130
 131 /*-----------------------------------------------------------------------
 132  * ENV
 133  */
 134 #define BLOADER_MMC                                             \
 135         "ext4load mmc ${rootdev}:${bootpart} "
 136
 137 #ifdef CONFIG_OF_BOARD_SETUP
 138 #define EXTRA_ENV_DTB_RESERVE                                   \
 139         "dtb_reserve="                                          \
 140         "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
 141 #else
 142 #define EXTRA_ENV_DTB_RESERVE                                   \
 143         "dtb_reserve="                                          \
 144         "if test -n \"$fb_addr\"; then "                        \
 145           "fdt addr $dtb_addr;"                                 \
 146           "fdt resize;"                                         \
 147           "fdt mk /reserved-memory display_reserved;"           \
 148           "fdt set /reserved-memory/display_reserved "          \
 149             "reg <$fb_addr 0x800000>;"                          \
 150         "fi;\0"
 151 #endif
 152
 153 #ifdef CONFIG_SPLASH_SCREEN
 154 #define EXTRA_ENV_BOOT_LOGO                                     \
 155         "splashimage=" __stringify(BMP_LOAD_ADDR)"\0"           \
 156         "splashfile=" __stringify(SPLASH_FILE)"\0"              \
 157         "splashpos=m,m\0"                                       \
 158         "fb_addr=\0"                                            \
 159         EXTRA_ENV_DTB_RESERVE
 160 #else
 161         #define EXTRA_ENV_BOOT_LOGO  EXTRA_ENV_DTB_RESERVE
 162 #endif
 163
 164 #define CONFIG_EXTRA_ENV_SETTINGS                               \
 165         "fdt_high=0xffffffff\0"                                 \
 166         "initrd_high=0xffffffff\0"                              \
 167         "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0"            \
 168         "rootpart=" __stringify(CONFIG_ROOT_PART) "\0"          \
 169         "bootpart=" __stringify(CONFIG_BOOT_PART) "\0"          \
 170         "kernel=zImage\0"                                       \
 171         "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"      \
 172         "dtb_name=s5p4418-nanopi2-rev01.dtb\0"                  \
 173         "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0"           \
 174         "initrd_name=ramdisk.img\0"                             \
 175         "initrd_addr=" __stringify(INITRD_START) "\0"           \
 176         "initrd_size=0x600000\0"                                \
 177         "load_dtb="                                             \
 178                 BLOADER_MMC "${dtb_addr} ${dtb_name}; "         \
 179                 "run dtb_reserve\0"                             \
 180         "load_kernel="                                          \
 181                 BLOADER_MMC "${loadaddr} ${kernel}\0"           \
 182         "load_initrd="                                          \
 183                 BLOADER_MMC "${initrd_addr} ${initrd_name}; "   \
 184                 "setenv initrd_size 0x${filesize}\0"            \
 185         "mmcboot="                                              \
 186                 "run load_kernel; run load_initrd; run load_dtb; "      \
 187                 "bootz ${loadaddr} ${initrd_addr}:${initrd_size} "      \
 188                   "${dtb_addr}\0"                               \
 189         "bootcmd=run mmcboot\0"                                 \
 190         EXTRA_ENV_BOOT_LOGO
 191
 192 #endif /* __CONFIG_H__ */