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