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_MEM_SIZE             0x40000000
  23 #define CONFIG_SYS_SDRAM_BASE           0x71000000
  24
  25 /*
  26  * "(CONFIG_SYS_MEM_SIZE - CONFIG_SYS_RESERVE_MEM_SIZE)" has been used in
  27  * u-boot nanopi2-v2016.01.
  28  * This is not working anymore because boot_fdt_add_mem_rsv_regions() in
  29  * common/image-fdt.c has been extended:
  30  * Also reserved-memory sections are marked as unusable.
  31  *
  32  * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi:
  33  *        reserved-memory {
  34  *            #address-cells = <1>;
  35  *            #size-cells = <1>;
  36  *            ranges;
  37  *
  38  *            secure_memory@b0000000 {
  39  *                reg = <0xB0000000 0x1000000>;
  40  *                nop-map;
  41  *            };
  42  *        };
  43  *
  44  * arch_lmb_reserve() of arch/arm/lib/bootm.c:
  45  *     "Allocate space for command line and board info - ... below the current
  46  *      stack pointer."
  47  *      --> Memory allocated would overlap with "secure_memory@b0000000"
  48  *      --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails,
  49  *      boot output:
  50  *        ...
  51  *        Kernel image @ 0x71080000 [ 0x000000 - 0x60e628 ]
  52  *        ## Flattened Device Tree blob at 7a000000
  53  *           Booting using the fdt blob at 0x7a000000
  54  *        ERROR: reserving fdt memory region failed (addr=b0000000 size=1000000)
  55  *           Using Device Tree in place at 7a000000, end 7a00fbf0
  56  *
  57  *        Starting kernel ...
  58  *        ...
  59  */
  60 #define CONFIG_SYS_SDRAM_SIZE           (0xb0000000 - CONFIG_SYS_SDRAM_BASE)
  61
  62 #define BMP_LOAD_ADDR                   0x78000000
  63
  64 /* kernel load address */
  65 #define INITRD_START                    0x79000000
  66 #define KERNEL_DTB_ADDR                 0x7A000000
  67
  68 /*-----------------------------------------------------------------------
  69  *  High Level System Configuration
  70  */
  71 /* Not used: not need IRQ/FIQ stuff */
  72 #undef  CONFIG_USE_IRQ
  73 /* decrementer freq: 1ms ticks */
  74
  75 /*-----------------------------------------------------------------------
  76  *  System initialize options (board_init_f)
  77  */
  78 /* board_init_f->init_sequence, call arch_cpu_init */
  79
  80 /* Console I/O Buffer Size */
  81 #define CONFIG_SYS_CBSIZE               1024
  82 /* Boot Argument Buffer Size */
  83 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
  84
  85 /*-----------------------------------------------------------------------
  86  * serial console configuration
  87  */
  88 #define CONFIG_PL011_CLOCK              50000000
  89 #define CONFIG_PL01x_PORTS              {(void *)PHY_BASEADDR_UART0, \
  90                                          (void *)PHY_BASEADDR_UART1, \
  91                                          (void *)PHY_BASEADDR_UART2, \
  92                                          (void *)PHY_BASEADDR_UART3}
  93
  94 /*-----------------------------------------------------------------------
  95  * BACKLIGHT
  96  */
  97 #ifndef CONFIG_S5P4418_ONEWIRE
  98 #ifdef CONFIG_PWM_NX
  99 /* fallback to pwm */
 100 #define BACKLIGHT_CH            0
 101 #define BACKLIGHT_DIV           0
 102 #define BACKLIGHT_INV           0
 103 #define BACKLIGHT_DUTY          50
 104 #define BACKLIGHT_HZ            1000
 105 #endif
 106 #endif
 107
 108 /*-----------------------------------------------------------------------
 109  * VIDEO
 110  */
 111
 112 #ifdef CONFIG_VIDEO_LOGO
 113 #ifdef CONFIG_SPLASH_SCREEN
 114 #define SPLASH_FILE                     logo.bmp
 115 #endif
 116
 117 #endif
 118
 119 /*-----------------------------------------------------------------------
 120  * ENV
 121  */
 122 #define BLOADER_MMC                                             \
 123         "ext4load mmc ${rootdev}:${bootpart} "
 124
 125 #ifdef CONFIG_OF_BOARD_SETUP
 126 #define EXTRA_ENV_DTB_RESERVE                                   \
 127         "dtb_reserve="                                          \
 128         "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
 129 #else
 130 #define EXTRA_ENV_DTB_RESERVE                                   \
 131         "dtb_reserve="                                          \
 132         "if test -n \"$fb_addr\"; then "                        \
 133           "fdt addr $dtb_addr;"                                 \
 134           "fdt resize;"                                         \
 135           "fdt mk /reserved-memory display_reserved;"           \
 136           "fdt set /reserved-memory/display_reserved "          \
 137             "reg <$fb_addr 0x800000>;"                          \
 138         "fi;\0"
 139 #endif
 140
 141 #ifdef CONFIG_SPLASH_SCREEN
 142 #define EXTRA_ENV_BOOT_LOGO                                     \
 143         "splashimage=" __stringify(BMP_LOAD_ADDR)"\0"           \
 144         "splashfile=" __stringify(SPLASH_FILE)"\0"              \
 145         "splashpos=m,m\0"                                       \
 146         "fb_addr=\0"                                            \
 147         EXTRA_ENV_DTB_RESERVE
 148 #else
 149         #define EXTRA_ENV_BOOT_LOGO  EXTRA_ENV_DTB_RESERVE
 150 #endif
 151
 152 #define CONFIG_EXTRA_ENV_SETTINGS                               \
 153         "fdt_high=0xffffffff\0"                                 \
 154         "initrd_high=0xffffffff\0"                              \
 155         "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0"            \
 156         "rootpart=" __stringify(CONFIG_ROOT_PART) "\0"          \
 157         "bootpart=" __stringify(CONFIG_BOOT_PART) "\0"          \
 158         "kernel=zImage\0"                                       \
 159         "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"      \
 160         "dtb_name=s5p4418-nanopi2-rev01.dtb\0"                  \
 161         "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0"           \
 162         "initrd_name=ramdisk.img\0"                             \
 163         "initrd_addr=" __stringify(INITRD_START) "\0"           \
 164         "initrd_size=0x600000\0"                                \
 165         "load_dtb="                                             \
 166                 BLOADER_MMC "${dtb_addr} ${dtb_name}; "         \
 167                 "run dtb_reserve\0"                             \
 168         "load_kernel="                                          \
 169                 BLOADER_MMC "${loadaddr} ${kernel}\0"           \
 170         "load_initrd="                                          \
 171                 BLOADER_MMC "${initrd_addr} ${initrd_name}; "   \
 172                 "setenv initrd_size 0x${filesize}\0"            \
 173         "mmcboot="                                              \
 174                 "run load_kernel; run load_initrd; run load_dtb; "      \
 175                 "bootz ${loadaddr} ${initrd_addr}:${initrd_size} "      \
 176                   "${dtb_addr}\0"                               \
 177         "bootcmd=run mmcboot\0"                                 \
 178         EXTRA_ENV_BOOT_LOGO
 179
 180 #endif /* __CONFIG_H__ */