summaryrefslogtreecommitdiff
path: root/src/cpu/allwinner/a10/Kconfig
blob: a04d8a4191a53b997f9c6e6923817d5f90a4a935 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
config CPU_ALLWINNER_A10
	bool
	default n

if CPU_ALLWINNER_A10

config CPU_SPECIFIC_OPTIONS
	def_bool y
	select HAVE_MONOTONIC_TIMER
	select HAVE_UART_SPECIAL
	select BOOTBLOCK_CONSOLE

config BOOTBLOCK_CPU_INIT
	string
	default "cpu/allwinner/a10/bootblock.c"
	help
	  CPU/SoC-specific bootblock code. This is useful if the
	  bootblock must load microcode or copy data from ROM before
	  searching for the bootblock.

# The "eGON.BT0" header takes 32 bytes
config BOOTBLOCK_BASE
	hex
	default 0x20

config BOOTBLOCK_ROM_OFFSET
	hex
	default 0x00

config CBFS_HEADER_ROM_OFFSET
	hex
	default 0x10

# This is the maximum size bootblock that the BROM will load. If the bootblock
# gets larger, this will generate a build failure, rather than a silent
# "coreboot won't run" failure.
# Normally, we would place romstage at 0x5fe0, but we place it a little lower to
# satisfy the 64 byte alignment.
config CBFS_ROM_OFFSET
	default 0x5fc0

# 16 MiB above ramstage, so there is no overlap
config ROMSTAGE_BASE
	hex
	default 0x41000000

# Keep the stack in SRAM block A2.
# SRAM blocks A1 (0-16KiB) and A2 (16KiB-32KiB) are always accessible to the
# CPU. This gives us 32KiB of SRAM to boot with. The BROM bootloader will use up
# to 24KiB to load our bootblock, which leaves us the area from 24KiB to 32KiB
# to use however we see fit.
config STACK_TOP
	hex
	default 0x00008000

config STACK_BOTTOM
	hex
	default 0x00006000

config STACK_SIZE
	hex
	default 0x00002000

## TODO Change this to some better address not overlapping bootblock when
## cbfstool supports creating header in arbitrary location.
config CBFS_HEADER_ROM_OFFSET
	hex "offset of master CBFS header in ROM"
	default 0x40

config SYS_SDRAM_BASE
	hex
	default 0x40000000

endif # if CPU_ALLWINNER_A10