soc/amd/stoneyridge: Add northbridge support

Copy northbridge files from northbridge/amd/pi/00670F00
to soc/amd/stoneyridge and soc/amd/common.

Changes:
- update chip_ops and device_ops
- remove multi-node support
- clean up Kconfig and Makefile

Change-Id: Ie86b4d744900f23502068517ece5bcea6c128993
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/19724
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/amd/stoneyridge/Kconfig

@@ -35,10 +35,11 @@ config CPU_SPECIFIC_OPTIONS
 	select HAVE_USBDEBUG_OPTIONS
 	select HAVE_HARD_RESET
 	select LAPIC_MONOTONIC_TIMER
-	select SOC_AMD_COMMON
-	select SOC_AMD_PI
+	select LATE_CBMEM_INIT
 	select SPI_FLASH if HAVE_ACPI_RESUME
 	select TSC_SYNC_LFENCE
+	select SOC_AMD_COMMON
+	select SOC_AMD_PI
 	select UDELAY_LAPIC
 
 config UDELAY_LAPIC_FIXED_FSB
@@ -69,6 +70,57 @@ config CDB
 	hex
 	default 0x18
 
+config BOTTOMIO_POSITION
+	hex "Bottom of 32-bit IO space"
+	default 0xD0000000
+	help
+	  If PCI peripherals with big BARs are connected to the system
+	  the bottom of the IO must be decreased to allocate such
+	  devices.
+
+	  Declare the beginning of the 128MB-aligned MMIO region.  This
+	  option is useful when PCI peripherals requesting large address
+	  ranges are present.
+
+config HW_MEM_HOLE_SIZEK
+	hex
+	default 0x200000
+
+config HW_MEM_HOLE_SIZE_AUTO_INC
+	bool
+	default n
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xF8000000
+
+config MMCONF_BUS_NUMBER
+	int
+	default 64
+
+config VGA_BIOS_ID
+	string
+	default "1002,98e4"
+	help
+	  The default VGA BIOS PCI vendor/device ID should be set to the
+	  result of the map_oprom_vendev() function in northbridge.c.
+
+config VGA_BIOS_FILE
+	string
+	default "3rdparty/blobs/northbridge/amd/00670F00/VBIOS.bin"
+
+config RAMTOP
+	hex
+	default 0x1000000
+
+config HEAP_SIZE
+	hex
+	default 0xc0000
+
+config RAMBASE
+	hex
+	default 0x200000
+
 config BOOTBLOCK_SOUTHBRIDGE_INIT
 	string
 	default "soc/amd/stoneyridge/bootblock/bootblock.c"