coreboot: rk3288: Add a stub implementation of the rk3288 SOC

Most things still needs to be filled in, but this will allow us to build boards which use this SOC.

BUG=chrome-os-partner:29778
TEST=emerge-veyron coreboot

Original-Change-Id: If643d620c5fb8951faaf1ccde400a8e9ed7db3bc
Original-Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/205069
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Commit-Queue: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
(cherry picked from commit 2f72473a8c2b3fe21d77b351338e6209035878fb)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I53fd0ced42f6ef191d7bf80d8b823bb880344239
Reviewed-on: http://review.coreboot.org/8653
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/soc/rockchip/rk3288/Kconfig b/src/soc/rockchip/rk3288/Kconfig
new file mode 100644
index 0000000..51cf74c
--- /dev/null
+++ b/src/soc/rockchip/rk3288/Kconfig
@@ -0,0 +1,118 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2014 Rockchip Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+config SOC_ROCKCHIP_RK3288
+	bool
+	default n
+	select ARCH_BOOTBLOCK_ARMV7
+	select ARCH_VERSTAGE_ARMV7
+	select ARCH_ROMSTAGE_ARMV7
+	select ARCH_RAMSTAGE_ARMV7
+	select CPU_HAS_BOOTBLOCK_INIT
+	select HAVE_MONOTONIC_TIMER
+	select HAVE_UART_MEMORY_MAPPED
+	select HAVE_UART_SPECIAL
+	select BOOTBLOCK_CONSOLE
+	select DYNAMIC_CBMEM
+	
+if SOC_ROCKCHIP_RK3288
+
+config BOOTBLOCK_CPU_INIT
+	string
+	default "soc/rockchip/rk3288/bootblock.c"
+
+# ROM image layout.
+#
+# 0x00000 Combined bootblock and ID Block
+# 0x08000 Master CBFS header.
+# 0x18000 Free for CBFS data.
+#
+# iRAM (96k) layout.
+# (Note: The BootROM will jump to 0xff704004 after loading bootblock,
+#  so the bootblock loading address must be at 0xff704004.)
+#
+# 0xFF70_0000 TTB (16KB).
+# 0xFF70_4004 Bootblock (max 16KB-4B).
+# 0xFF70_8000 ROM stage (max 40KB).
+# 0xFF71_2000 STACK (4KB).
+# 0xFF71_3000 CBFS mapping cache (20K)
+# 0xFF71_7FFF End of iRAM.
+
+config SYS_SDRAM_BASE
+	hex "SDRAM base address"
+	default 0x00000000
+
+config STACK_TOP
+	hex "STACK TOP"
+	default 0xff713000
+
+config STACK_BOTTOM
+	hex "STACK BOTTOM"
+	default 0xff712000
+
+config BOOTBLOCK_BASE
+	hex
+	default 0xff704004
+
+config ROMSTAGE_BASE
+	hex "ROM STAGE BASE"
+	default 0xff708000
+
+config RAMSTAGE_BASE
+	hex "RAMSTAGE BASE"
+	default 0x00200000
+
+config BOOTBLOCK_ROM_OFFSET
+	hex
+	default 0x0
+
+config CBFS_HEADER_ROM_OFFSET
+	hex
+	default 0x0008000
+
+config CBFS_ROM_OFFSET
+	hex
+	default 0x0018000
+
+config CBFS_SRAM_CACHE_ADDRESS
+	hex "sram memory address to put CBFS cache data"
+	default 0xff713000
+
+config CBFS_SRAM_CACHE_SIZE
+	hex "size of CBFS cache data"
+	default 0x00005000
+
+config CBFS_DRAM_CACHE_ADDRESS
+	hex "dram memory address to put CBFS cache data"
+	default 0x01000000
+
+config CBFS_DRAM_CACHE_SIZE
+	hex "size of CBFS cache data"
+	default 0x00100000
+
+config TTB_BUFFER
+	hex "memory address of the TTB buffer"
+	default 0xff700000
+
+config CONSOLE_SERIAL_UART_ADDRESS
+	hex
+	depends on CONSOLE_SERIAL_UART
+	default 0xFF690000
+
+endif