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arm: Initial Cubieboard4 work

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* SD cards are "blessed" with a boot0 spl and boot1 u-boot
  at fixed locations.
* Allwinner's u-boot is lacking a lot.
* Upstream u-boot should be better at some point. WIP:
  http://lists.denx.de/pipermail/u-boot/2015-January/201537.html
This commit is contained in:
Alexander von Gluck IV
2015-04-11 16:53:04 -05:00
parent 97ebc043a6
commit 9c5e234cb3
5 changed files with 151 additions and 5 deletions
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build/jam/ArchitectureRules
+5
View File
@@ -254,6 +254,11 @@ rule KernelArchitectureSetup architecture
HAIKU_BOOT_PLATFORM ?= u-boot ;
HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
}
case cubieboard4 :
{
HAIKU_BOOT_PLATFORM ?= u-boot ;
HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
}
case verdex :
{
HAIKU_BOOT_PLATFORM ?= u-boot ;
build/jam/board/cubieboard4/BoardSetup
+64
View File
@@ -0,0 +1,64 @@
# Cubieboard 4 board-specific definitions
# This likely could be easily used for other Allwinner chipsets
HAIKU_BOARD_DESCRIPTION = "Cubieboard 4 (CC-A80)" ;
HAIKU_BOARD_FDT_NAME = "cubieboard4" ;
#
# Various hardcoded addresses
#
# 0x20000000 = SDRAM start
# 0x20007800 = haiku_loader_linux.ub
# 0x20087800 = BASE
HAIKU_BOARD_LOADER_BASE = 0x20087800 ;
HAIKU_BOARD_LOADER_ENTRY_RAW = $(HAIKU_BOARD_LOADER_BASE) ;
HAIKU_BOARD_LOADER_ENTRY_NBSD = `printf \"obase=16;ibase=16;8 + %x\\n\" $(HAIKU_BOARD_LOADER_BASE)|bc` ;
HAIKU_BOARD_LOADER_ENTRY_LINUX = `printf \"obase=16;ibase=16;10 + %x\\n\" $(HAIKU_BOARD_LOADER_BASE)|bc` ;
#
# mmc/SD image
#
# TODO: Update to https://github.com/cubieboard/CC-A80-binaries when accepted upstream
HAIKU_BOARD_FIRMWARE_URL = "https://github.com/kallisti5/CC-A80-binaries/raw/master/bin" ;
# u-boot image
# Dear Cubbieboard, add fdt_addr_r, ramdisk_addr_r, kernel_addr_r to u-boot
HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME = boot.scr ;
HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT = "\
fatload mmc 0 0x20800000 haiku-floppyboot.tgz.ub \
fatload mmc 0 0x20007800 haiku_loader_linux.ub \
bootm 0x20007800 0x20800000" ;
HAIKU_BOARD_SDIMAGE_FAT_SIZE = 32 ;
HAIKU_BOARD_SDIMAGE_FILES =
haiku_loader_linux.ub
haiku-floppyboot.tgz.ub
$(HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME)
;
HAIKU_BOARD_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63)
HAIKU_BOARD_SDIMAGE_SIZE = 128 ; # MiB
boot0File = [ DownloadFile sdcard-boot0 : $(HAIKU_BOARD_FIRMWARE_URL)/sdcard-boot0 ] ;
boot1File = [ DownloadFile sdcard-boot1 : $(HAIKU_BOARD_FIRMWARE_URL)/sdcard-boot1 ] ;
# The Allwinner chips require an SD card "blessed" with
# the boot0 SPL and boot1 (u-boot) at a fixed location on
# the SD card. (Dear AW, please support loading from FAT)
HAIKU_BOARD_SDIMAGE_BOOT0_FILE = $(boot0File) ;
HAIKU_BOARD_SDIMAGE_BOOT0_SEEK = 8192 ;
HAIKU_BOARD_SDIMAGE_BOOT1_FILE = $(boot1File) ;
HAIKU_BOARD_SDIMAGE_BOOT1_SEEK = 19554304 ;
#
# gcc flags for the specific cpu
#
local flags = -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard ;
HAIKU_ASFLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;
HAIKU_CCFLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;
HAIKU_C++FLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;