include/configs/rpi-common.h

   1 /*
   2  * (C) Copyright 2012,2015 Stephen Warren
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0
   5  */
   6
   7 #ifndef _RPI_COMMON_H_
   8 #define _RPI_COMMON_H_
   9
  10 #include <linux/sizes.h>
  11 #include <asm/arch/timer.h>
  12
  13 /* Architecture, CPU, etc.*/
  14 #define CONFIG_SYS_GENERIC_BOARD
  15 #define CONFIG_BCM2835
  16 #define CONFIG_ARCH_CPU_INIT
  17
  18 #define CONFIG_SYS_TIMER_RATE           1000000
  19 #define CONFIG_SYS_TIMER_COUNTER        \
  20         (&((struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR)->clo)
  21
  22 /*
  23  * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
  24  * so 2708 has historically been used rather than a dedicated 2835 ID.
  25  *
  26  * We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
  27  * chose to use someone else's previously registered machine ID (3139, MX51_GGC)
  28  * rather than obtaining a valid ID:-/
  29  */
  30 #ifndef CONFIG_BCM2836
  31 #define CONFIG_MACH_TYPE                MACH_TYPE_BCM2708
  32 #endif
  33
  34 /* Memory layout */
  35 #define CONFIG_NR_DRAM_BANKS            1
  36 #define CONFIG_SYS_SDRAM_BASE           0x00000000
  37 #define CONFIG_SYS_TEXT_BASE            0x00008000
  38 #define CONFIG_SYS_UBOOT_BASE           CONFIG_SYS_TEXT_BASE
  39 /*
  40  * The board really has 256M. However, the VC (VideoCore co-processor) shares
  41  * the RAM, and uses a configurable portion at the top. We tell U-Boot that a
  42  * smaller amount of RAM is present in order to avoid stomping on the area
  43  * the VC uses.
  44  */
  45 #define CONFIG_SYS_SDRAM_SIZE           SZ_128M
  46 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + \
  47                                          CONFIG_SYS_SDRAM_SIZE - \
  48                                          GENERATED_GBL_DATA_SIZE)
  49 #define CONFIG_SYS_MALLOC_LEN           SZ_4M
  50 #define CONFIG_SYS_MEMTEST_START        0x00100000
  51 #define CONFIG_SYS_MEMTEST_END          0x00200000
  52 #define CONFIG_LOADADDR                 0x00200000
  53
  54 /* Flash */
  55 #define CONFIG_SYS_NO_FLASH
  56
  57 /* Devices */
  58 /* GPIO */
  59 #define CONFIG_BCM2835_GPIO
  60 /* LCD */
  61 #define CONFIG_LCD
  62 #define CONFIG_LCD_DT_SIMPLEFB
  63 #define LCD_BPP                         LCD_COLOR16
  64 /*
  65  * Prevent allocation of RAM for FB; the real FB address is queried
  66  * dynamically from the VideoCore co-processor, and comes from RAM
  67  * not owned by the ARM CPU.
  68  */
  69 #define CONFIG_FB_ADDR                  0
  70 #define CONFIG_VIDEO_BCM2835
  71 #define CONFIG_SYS_WHITE_ON_BLACK
  72
  73 /* SD/MMC configuration */
  74 #define CONFIG_GENERIC_MMC
  75 #define CONFIG_MMC
  76 #define CONFIG_SDHCI
  77 #define CONFIG_MMC_SDHCI_IO_ACCESSORS
  78 #define CONFIG_BCM2835_SDHCI
  79
  80 #define CONFIG_CMD_USB
  81 #ifdef CONFIG_CMD_USB
  82 #define CONFIG_USB_DWC2
  83 #ifdef CONFIG_BCM2836
  84 #define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
  85 #else
  86 #define CONFIG_USB_DWC2_REG_ADDR 0x20980000
  87 #endif
  88 #define CONFIG_USB_STORAGE
  89 #define CONFIG_USB_HOST_ETHER
  90 #define CONFIG_USB_ETHER_SMSC95XX
  91 #define CONFIG_MISC_INIT_R
  92 #endif
  93
  94 /* Console UART */
  95 #define CONFIG_PL01X_SERIAL
  96 #define CONFIG_CONS_INDEX               0
  97 #define CONFIG_BAUDRATE                 115200
  98
  99 /* Console configuration */
 100 #define CONFIG_SYS_CBSIZE               1024
 101 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE +            \
 102                                          sizeof(CONFIG_SYS_PROMPT) + 16)
 103
 104 /* Environment */
 105 #define CONFIG_ENV_SIZE                 SZ_16K
 106 #define CONFIG_ENV_IS_IN_FAT
 107 #define FAT_ENV_INTERFACE               "mmc"
 108 #define FAT_ENV_DEVICE_AND_PART         "0:1"
 109 #define FAT_ENV_FILE                    "uboot.env"
 110 #define CONFIG_FAT_WRITE
 111 #define CONFIG_ENV_VARS_UBOOT_CONFIG
 112 #define CONFIG_SYS_LOAD_ADDR            0x1000000
 113 #define CONFIG_CONSOLE_MUX
 114 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 115
 116 /* Shell */
 117 #define CONFIG_SYS_MAXARGS              8
 118 #define CONFIG_COMMAND_HISTORY
 119
 120 /* Commands */
 121 #define CONFIG_CMD_GPIO
 122 #define CONFIG_CMD_MMC
 123 #define CONFIG_PARTITION_UUIDS
 124 #define CONFIG_CMD_PART
 125
 126 /* Device tree support */
 127 #define CONFIG_OF_BOARD_SETUP
 128 /* ATAGs support for bootm/bootz */
 129 #define CONFIG_SETUP_MEMORY_TAGS
 130 #define CONFIG_CMDLINE_TAG
 131 #define CONFIG_INITRD_TAG
 132
 133 #include <config_distro_defaults.h>
 134
 135 /* Environment */
 136 #define ENV_DEVICE_SETTINGS \
 137         "stdin=serial,lcd\0" \
 138         "stdout=serial,lcd\0" \
 139         "stderr=serial,lcd\0"
 140
 141 /*
 142  * Memory layout for where various images get loaded by boot scripts:
 143  *
 144  * scriptaddr can be pretty much anywhere that doesn't conflict with something
 145  *   else. Put it low in memory to avoid conflicts.
 146  *
 147  * pxefile_addr_r can be pretty much anywhere that doesn't conflict with
 148  *   something else. Put it low in memory to avoid conflicts.
 149  *
 150  * kernel_addr_r must be within the first 128M of RAM in order for the
 151  *   kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
 152  *   decompress itself to 0x8000 after the start of RAM, kernel_addr_r
 153  *   should not overlap that area, or the kernel will have to copy itself
 154  *   somewhere else before decompression. Similarly, the address of any other
 155  *   data passed to the kernel shouldn't overlap the start of RAM. Pushing
 156  *   this up to 16M allows for a sizable kernel to be decompressed below the
 157  *   compressed load address.
 158  *
 159  * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
 160  *   the compressed kernel to be up to 16M too.
 161  *
 162  * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
 163  *   for the FDT/DTB to be up to 1M, which is hopefully plenty.
 164  */
 165 #define ENV_MEM_LAYOUT_SETTINGS \
 166         "fdt_addr_r=0x00000100\0" \
 167         "pxefile_addr_r=0x00100000\0" \
 168         "kernel_addr_r=0x01000000\0" \
 169         "scriptaddr=0x02000000\0" \
 170         "ramdisk_addr_r=0x02100000\0" \
 171
 172 #define BOOT_TARGET_DEVICES(func) \
 173         func(MMC, mmc, 0) \
 174         func(USB, usb, 0) \
 175         func(PXE, pxe, na) \
 176         func(DHCP, dhcp, na)
 177 #include <config_distro_bootcmd.h>
 178
 179 #define CONFIG_EXTRA_ENV_SETTINGS \
 180         ENV_DEVICE_SETTINGS \
 181         ENV_MEM_LAYOUT_SETTINGS \
 182         BOOTENV
 183
 184 #define CONFIG_BOOTDELAY 2
 185
 186 #endif