- Factoring of auto.c

- Implementation of fallback/normal support for the amd solo board
- Minor bugfix in romcc


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@867 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 591 insertions, 0 deletions

diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c
new file mode 100644
index 0000000000..9b799b3d31
--- /dev/null
+++ b/src/northbridge/amd/amdk8/coherent_ht.c
@@ -0,0 +1,591 @@
+static void setup_coherent_ht_domain(void)
+{
+	static const unsigned int register_values[] = {
+	/* Routing Table Node i 
+	 * F0:0x40 i = 0, 
+	 * F0:0x44 i = 1,
+	 * F0:0x48 i = 2, 
+	 * F0:0x4c i = 3,
+	 * F0:0x50 i = 4, 
+	 * F0:0x54 i = 5,
+	 * F0:0x58 i = 6, 
+	 * F0:0x5c i = 7
+	 * [ 0: 3] Request Route
+	 *     [0] Route to this node
+	 *     [1] Route to Link 0
+	 *     [2] Route to Link 1
+	 *     [3] Route to Link 2
+	 * [11: 8] Response Route
+	 *     [0] Route to this node
+	 *     [1] Route to Link 0
+	 *     [2] Route to Link 1
+	 *     [3] Route to Link 2
+	 * [19:16] Broadcast route
+	 *     [0] Route to this node
+	 *     [1] Route to Link 0
+	 *     [2] Route to Link 1
+	 *     [3] Route to Link 2
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x40), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x44), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x48), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x4c), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x50), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x54), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x58), 0xfff0f0f0, 0x00010101,
+	PCI_ADDR(0, 0x18, 0, 0x5c), 0xfff0f0f0, 0x00010101,
+
+	/* Hypetransport Transaction Control Register 
+	 * F0:0x68
+	 * [ 0: 0] Disable read byte probe
+	 *         0 = Probes issues
+	 *         1 = Probes not issued
+	 * [ 1: 1] Disable Read Doubleword probe
+	 *         0 = Probes issued
+	 *         1 = Probes not issued
+	 * [ 2: 2] Disable write byte probes
+	 *         0 = Probes issued
+	 *         1 = Probes not issued
+	 * [ 3: 3] Disable Write Doubleword Probes
+	 *         0 = Probes issued
+	 *         1 = Probes not issued.
+	 * [ 4: 4] Disable Memroy Controller Target Start
+	 *         0 = TgtStart packets are generated
+	 *         1 = TgtStart packets are not generated.
+	 * [ 5: 5] CPU1 Enable
+	 *         0 = Second CPU disabled or not present
+	 *         1 = Second CPU enabled.
+	 * [ 6: 6] CPU Request PassPW
+	 *         0 = CPU requests do not pass posted writes
+	 *         1 = CPU requests pass posted writes.
+	 * [ 7: 7] CPU read Respons PassPW
+	 *         0 = CPU Responses do not pass posted writes
+	 *         1 = CPU responses pass posted writes.
+	 * [ 8: 8] Disable Probe Memory Cancel
+	 *         0 = Probes may generate MemCancels
+	 *         1 = Probes may not generate MemCancels
+	 * [ 9: 9] Disable Remote Probe Memory Cancel.
+	 *         0 = Probes hitting dirty blocks generate memory cancel packets
+	 *         1 = Only probed caches on the same node as the memory controller
+	 *              generate cancel packets.
+	 * [10:10] Disable Fill Probe
+	 *         0 = Probes issued for cache fills
+	 *         1 = Probes not issued for cache fills.
+	 * [11:11] Response PassPw
+	 *         0 = Downstream response PassPW based on original request
+	 *         1 = Downstream response PassPW set to 1
+	 * [12:12] Change ISOC to Ordered
+	 *         0 = Bit 1 of coherent HT RdSz/WrSz command used for iosynchronous prioritization
+	 *         1 = Bit 1 of coherent HT RdSz/WrSz command used for ordering.
+	 * [14:13] Buffer Release Priority select 
+	 *         00 = 64
+	 *         01 = 16
+	 *         10 = 8
+	 *         11 = 2
+	 * [15:15] Limit Coherent HT Configuration Space Range
+	 *         0 = No coherent HT configuration space restrictions
+	 *         1 = Limit coherent HT configuration space based on node count
+	 * [16:16] Local Interrupt Conversion Enable.
+	 *         0 = ExtInt/NMI interrups unaffected.
+	 *         1 = ExtInt/NMI broadcat interrupts converted to LINT0/1
+	 * [17:17] APIC Extended Broadcast Enable.
+	 *         0 = APIC broadcast is 0F
+	 *         1 = APIC broadcast is FF
+	 * [18:18] APIC Extended ID Enable
+	 *         0 = APIC ID is 4 bits.
+	 *         1 = APIC ID is 8 bits.
+	 * [19:19] APIC Extended Spurious Vector Enable
+	 *         0 = Lower 4 bits of spurious vector are read-only 1111
+	 *         1 = Lower 4 bits of spurious vecotr are writeable.
+	 * [20:20] Sequence ID Source Node Enable
+	 *         0 = Normal operation
+	 *         1 = Keep SeqID on routed packets for debugging.
+	 * [22:21] Downstream non-posted request limit
+	 *         00 = No limit
+	 *         01 = Limited to 1
+	 *         10 = Limited to 4
+	 *         11 = Limited to 8
+	 * [23:23] RESERVED
+	 * [25:24] Medium-Priority Bypass Count
+	 *         - Maximum # of times a medium priority access can pass a low
+	 *           priority access before Medium-Priority mode is disabled for one access.
+	 * [27:26] High-Priority Bypass Count
+	 *         - Maximum # of times a high prioirty access can pass a medium or low
+	 *           priority access before High-prioirty mode is disabled for one access.
+	 * [28:28] Enable High Priority CPU Reads
+	 *         0 = Cpu reads are medium prioirty
+	 *         1 = Cpu reads are high prioirty
+	 * [29:29] Disable Low Priority Writes
+	 *         0 = Non-isochronous writes are low priority
+	 *         1 = Non-isochronous writes are medium prioirty
+	 * [30:30] Disable High Priority Isochronous writes
+	 *         0 = Isochronous writes are high priority
+	 *         1 = Isochronous writes are medium priority
+	 * [31:31] Disable Medium Priority Isochronous writes
+	 *         0 = Isochronous writes are medium are high
+	 *         1 = With bit 30 set makes Isochrouns writes low priority.
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x68), 0x00800000, 0x0f00840f,
+	/* HT Initialization Control Register
+	 * F0:0x6C
+	 * [ 0: 0] Routing Table Disable
+	 *         0 = Packets are routed according to routing tables
+	 *         1 = Packets are routed according to the default link field
+	 * [ 1: 1] Request Disable (BSP should clear this)
+	 *         0 = Request packets may be generated
+	 *         1 = Request packets may not be generated.
+	 * [ 3: 2] Default Link (Read-only)
+	 *         00 = LDT0
+	 *         01 = LDT1
+	 *         10 = LDT2
+	 *         11 = CPU on same node
+	 * [ 4: 4] Cold Reset
+	 *         - Scratch bit cleared by a cold reset
+	 * [ 5: 5] BIOS Reset Detect
+	 *         - Scratch bit cleared by a cold reset
+	 * [ 6: 6] INIT Detect
+	 *         - Scratch bit cleared by a warm or cold reset not by an INIT
+	 *
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x6C), 0xffffff8c, 0x00000000 | (1 << 6) |(1 << 5)| (1 << 4),
+	/* LDTi Capabilities Registers
+	 * F0:0x80 i = 0,
+	 * F0:0xA0 i = 1,
+	 * F0:0xC0 i = 2,
+	 */
+	/* LDTi Link Control Registrs
+	 * F0:0x84 i = 0,
+	 * F0:0xA4 i = 1,
+	 * F0:0xC4 i = 2,
+	 * [ 1: 1] CRC Flood Enable
+	 *         0 = Do not generate sync packets on CRC error
+	 *         1 = Generate sync packets on CRC error
+	 * [ 2: 2] CRC Start Test (Read-Only)
+	 * [ 3: 3] CRC Force Frame Error
+	 *         0 = Do not generate bad CRC
+	 *         1 = Generate bad CRC
+	 * [ 4: 4] Link Failure
+	 *         0 = No link failure detected
+	 *         1 = Link failure detected
+	 * [ 5: 5] Initialization Complete
+	 *         0 = Initialization not complete
+	 *         1 = Initialization complete
+	 * [ 6: 6] Receiver off
+	 *         0 = Recevier on
+	 *         1 = Receiver off
+	 * [ 7: 7] Transmitter Off
+	 *         0 = Transmitter on
+	 *         1 = Transmitter off
+	 * [ 9: 8] CRC_Error
+	 *         00 = No error
+	 *         [0] = 1 Error on byte lane 0
+	 *         [1] = 1 Error on byte lane 1
+	 * [12:12] Isochrnous Enable  (Read-Only)
+	 * [13:13] HT Stop Tristate Enable
+	 *         0 = Driven during an LDTSTOP_L
+	 *         1 = Tristated during and LDTSTOP_L
+	 * [14:14] Extended CTL Time 
+	 *         0 = CTL is asserted for 16 bit times during link initialization
+	 *         1 = CTL is asserted for 50us during link initialization
+	 * [18:16] Max Link Width In (Read-Only?)
+	 *         000 = 8 bit link
+	 *         001 = 16bit link
+	 * [19:19] Doubleword Flow Control in (Read-Only)
+	 *         0 = This link does not support doubleword flow control
+	 *         1 = This link supports doubleword flow control
+	 * [22:20] Max Link Width Out (Read-Only?)
+	 *         000 = 8 bit link
+	 *         001 = 16bit link
+	 * [23:23] Doubleworld Flow Control out (Read-Only)
+	 *         0 = This link does not support doubleword flow control
+	 *         1 = This link supports doubleworkd flow control
+	 * [26:24] Link Width In
+	 *         000 = Use 8 bits
+	 *         001 = Use 16 bits
+	 *         010 = reserved
+	 *         011 = Use 32 bits
+	 *         100 = Use 2 bits
+	 *         101 = Use 4 bits
+	 *         110 = reserved
+	 *         111 = Link physically not connected
+	 * [27:27] Doubleword Flow Control In Enable
+	 *         0 = Doubleword flow control disabled
+	 *         1 = Doubleword flow control enabled (Not currently supported)
+	 * [30:28] Link Width Out
+	 *         000 = Use 8 bits
+	 *         001 = Use 16 bits
+	 *         010 = reserved
+	 *         011 = Use 32 bits
+	 *         100 = Use 2 bits
+	 *         101 = Use 4 bits
+	 *         110 = reserved
+	 *         111 = Link physically not connected
+	 * [31:31] Doubleworld Flow Control Out Enable
+	 *         0 = Doubleworld flow control disabled
+	 *         1 = Doubleword flow control enabled (Not currently supported)
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x84), 0x00009c05, 0x11110020,
+	/* LDTi Frequency/Revision Registers
+	 * F0:0x88 i = 0,
+	 * F0:0xA8 i = 1,
+	 * F0:0xC8 i = 2,
+	 * [ 4: 0] Minor Revision
+	 *         Contains the HT Minor revision
+	 * [ 7: 5] Major Revision
+	 *         Contains the HT Major revision
+	 * [11: 8] Link Frequency  (Takes effect the next time the link is reconnected)
+	 *         0000 = 200Mhz
+	 *         0001 = reserved
+	 *         0010 = 400Mhz
+	 *         0011 = reserved
+	 *         0100 = 600Mhz
+	 *         0101 = 800Mhz
+	 *         0110 = 1000Mhz
+	 *         0111 = reserved
+	 *         1000 = reserved
+	 *         1001 = reserved
+	 *         1010 = reserved
+	 *         1011 = reserved
+	 *         1100 = reserved
+	 *         1101 = reserved
+	 *         1110 = reserved
+	 *         1111 = 100 Mhz
+	 * [15:12] Error (Not currently Implemented)
+	 * [31:16] Indicates the frequency capabilities of the link
+	 *         [16] = 1 encoding 0000 of freq supported
+	 *         [17] = 1 encoding 0001 of freq supported
+	 *         [18] = 1 encoding 0010 of freq supported
+	 *         [19] = 1 encoding 0011 of freq supported
+	 *         [20] = 1 encoding 0100 of freq supported
+	 *         [21] = 1 encoding 0101 of freq supported
+	 *         [22] = 1 encoding 0110 of freq supported
+	 *         [23] = 1 encoding 0111 of freq supported
+	 *         [24] = 1 encoding 1000 of freq supported
+	 *         [25] = 1 encoding 1001 of freq supported
+	 *         [26] = 1 encoding 1010 of freq supported
+	 *         [27] = 1 encoding 1011 of freq supported
+	 *         [28] = 1 encoding 1100 of freq supported
+	 *         [29] = 1 encoding 1101 of freq supported
+	 *         [30] = 1 encoding 1110 of freq supported
+	 *         [31] = 1 encoding 1111 of freq supported
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x88), 0xfffff0ff, 0x00000200,
+	/* LDTi Feature Capability
+	 * F0:0x8C i = 0,
+	 * F0:0xAC i = 1,
+	 * F0:0xCC i = 2,
+	 */
+	/* LDTi Buffer Count Registers
+	 * F0:0x90 i = 0,
+	 * F0:0xB0 i = 1,
+	 * F0:0xD0 i = 2,
+	 */
+	/* LDTi Bus Number Registers
+	 * F0:0x94 i = 0,
+	 * F0:0xB4 i = 1,
+	 * F0:0xD4 i = 2,
+	 * For NonCoherent HT specifies the bus number downstream (behind the host bridge)
+	 * [ 0: 7] Primary Bus Number
+	 * [15: 8] Secondary Bus Number
+	 * [23:15] Subordiante Bus Number
+	 * [31:24] reserved
+	 */
+	PCI_ADDR(0, 0x18, 0, 0x94), 0xff000000, 0x00ff0000,
+	/* LDTi Type Registers
+	 * F0:0x98 i = 0,
+	 * F0:0xB8 i = 1,
+	 * F0:0xD8 i = 2,
+	 */
+	/* Careful set limit registers before base registers which contain the enables */
+	/* DRAM Limit i Registers
+	 * F1:0x44 i = 0
+	 * F1:0x4C i = 1
+	 * F1:0x54 i = 2
+	 * F1:0x5C i = 3
+	 * F1:0x64 i = 4
+	 * F1:0x6C i = 5
+	 * F1:0x74 i = 6
+	 * F1:0x7C i = 7
+	 * [ 2: 0] Destination Node ID
+	 *         000 = Node 0
+	 *         001 = Node 1
+	 *         010 = Node 2
+	 *         011 = Node 3
+	 *         100 = Node 4
+	 *         101 = Node 5
+	 *         110 = Node 6
+	 *         111 = Node 7
+	 * [ 7: 3] Reserved
+	 * [10: 8] Interleave select
+	 *         specifies the values of A[14:12] to use with interleave enable.
+	 * [15:11] Reserved
+	 * [31:16] DRAM Limit Address i Bits 39-24
+	 *         This field defines the upper address bits of a 40 bit  address
+	 *         that define the end of the DRAM region.
+	 */
+#if MEMORY_1024MB
+	PCI_ADDR(0, 0x18, 1, 0x44), 0x0000f8f8, 0x003f0000,
+#endif
+#if MEMORY_512MB
+	PCI_ADDR(0, 0x18, 1, 0x44), 0x0000f8f8, 0x001f0000,
+#endif
+	PCI_ADDR(0, 0x18, 1, 0x4C), 0x0000f8f8, 0x00000001,
+	PCI_ADDR(0, 0x18, 1, 0x54), 0x0000f8f8, 0x00000002,
+	PCI_ADDR(0, 0x18, 1, 0x5C), 0x0000f8f8, 0x00000003,
+	PCI_ADDR(0, 0x18, 1, 0x64), 0x0000f8f8, 0x00000004,
+	PCI_ADDR(0, 0x18, 1, 0x6C), 0x0000f8f8, 0x00000005,
+	PCI_ADDR(0, 0x18, 1, 0x74), 0x0000f8f8, 0x00000006,
+	PCI_ADDR(0, 0x18, 1, 0x7C), 0x0000f8f8, 0x00000007,
+	/* DRAM Base i Registers
+	 * F1:0x40 i = 0
+	 * F1:0x48 i = 1
+	 * F1:0x50 i = 2
+	 * F1:0x58 i = 3
+	 * F1:0x60 i = 4
+	 * F1:0x68 i = 5
+	 * F1:0x70 i = 6
+	 * F1:0x78 i = 7
+	 * [ 0: 0] Read Enable
+	 *         0 = Reads Disabled
+	 *         1 = Reads Enabled
+	 * [ 1: 1] Write Enable
+	 *         0 = Writes Disabled
+	 *         1 = Writes Enabled
+	 * [ 7: 2] Reserved
+	 * [10: 8] Interleave Enable
+	 *         000 = No interleave
+	 *         001 = Interleave on A[12] (2 nodes)
+	 *         010 = reserved
+	 *         011 = Interleave on A[12] and A[14] (4 nodes)
+	 *         100 = reserved
+	 *         101 = reserved
+	 *         110 = reserved
+	 *         111 = Interleve on A[12] and A[13] and A[14] (8 nodes)
+	 * [15:11] Reserved
+	 * [13:16] DRAM Base Address i Bits 39-24
+	 *         This field defines the upper address bits of a 40-bit address
+	 *         that define the start of the DRAM region.
+	 */
+	PCI_ADDR(0, 0x18, 1, 0x40), 0x0000f8fc, 0x00000003,
+#if MEMORY_1024MB
+	PCI_ADDR(0, 0x18, 1, 0x48), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x50), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x58), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x60), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x68), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x70), 0x0000f8fc, 0x00400000,
+	PCI_ADDR(0, 0x18, 1, 0x78), 0x0000f8fc, 0x00400000,
+#endif
+#if MEMORY_512MB
+	PCI_ADDR(0, 0x18, 1, 0x48), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x50), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x58), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x60), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x68), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x70), 0x0000f8fc, 0x00200000,
+	PCI_ADDR(0, 0x18, 1, 0x78), 0x0000f8fc, 0x00200000,
+#endif
+
+	/* Memory-Mapped I/O Limit i Registers
+	 * F1:0x84 i = 0
+	 * F1:0x8C i = 1
+	 * F1:0x94 i = 2
+	 * F1:0x9C i = 3
+	 * F1:0xA4 i = 4
+	 * F1:0xAC i = 5
+	 * F1:0xB4 i = 6
+	 * F1:0xBC i = 7
+	 * [ 2: 0] Destination Node ID
+	 *         000 = Node 0
+	 *         001 = Node 1
+	 *         010 = Node 2
+	 *         011 = Node 3
+	 *         100 = Node 4
+	 *         101 = Node 5
+	 *         110 = Node 6
+	 *         111 = Node 7
+	 * [ 3: 3] Reserved
+	 * [ 5: 4] Destination Link ID
+	 *         00 = Link 0
+	 *         01 = Link 1
+	 *         10 = Link 2
+	 *         11 = Reserved
+	 * [ 6: 6] Reserved
+	 * [ 7: 7] Non-Posted
+	 *         0 = CPU writes may be posted
+	 *         1 = CPU writes must be non-posted
+	 * [31: 8] Memory-Mapped I/O Limit Address i (39-16)
+	 *         This field defines the upp adddress bits of a 40-bit address that
+	 *         defines the end of a memory-mapped I/O region n
+	 */
+	PCI_ADDR(0, 0x18, 1, 0x84), 0x00000048, 0x00e1ff00,
+	PCI_ADDR(0, 0x18, 1, 0x8C), 0x00000048, 0x00dfff00,
+	PCI_ADDR(0, 0x18, 1, 0x94), 0x00000048, 0x00e3ff00,
+	PCI_ADDR(0, 0x18, 1, 0x9C), 0x00000048, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xA4), 0x00000048, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xAC), 0x00000048, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xB4), 0x00000048, 0x00000b00,
+	PCI_ADDR(0, 0x18, 1, 0xBC), 0x00000048, 0x00fe0b00,
+
+	/* Memory-Mapped I/O Base i Registers
+	 * F1:0x80 i = 0
+	 * F1:0x88 i = 1
+	 * F1:0x90 i = 2
+	 * F1:0x98 i = 3
+	 * F1:0xA0 i = 4
+	 * F1:0xA8 i = 5
+	 * F1:0xB0 i = 6
+	 * F1:0xB8 i = 7
+	 * [ 0: 0] Read Enable
+	 *         0 = Reads disabled
+	 *         1 = Reads Enabled
+	 * [ 1: 1] Write Enable
+	 *         0 = Writes disabled
+	 *         1 = Writes Enabled
+	 * [ 2: 2] Cpu Disable
+	 *         0 = Cpu can use this I/O range
+	 *         1 = Cpu requests do not use this I/O range
+	 * [ 3: 3] Lock
+	 *         0 = base/limit registers i are read/write
+	 *         1 = base/limit registers i are read-only
+	 * [ 7: 4] Reserved
+	 * [31: 8] Memory-Mapped I/O Base Address i (39-16)
+	 *         This field defines the upper address bits of a 40bit address 
+	 *         that defines the start of memory-mapped I/O region i
+	 */
+	PCI_ADDR(0, 0x18, 1, 0x80), 0x000000f0, 0x00e00003,
+	PCI_ADDR(0, 0x18, 1, 0x88), 0x000000f0, 0x00d80003,
+	PCI_ADDR(0, 0x18, 1, 0x90), 0x000000f0, 0x00e20003,
+	PCI_ADDR(0, 0x18, 1, 0x98), 0x000000f0, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xA0), 0x000000f0, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xA8), 0x000000f0, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xB0), 0x000000f0, 0x00000a03,
+#if MEMORY_1024MB
+	PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00400003,
+#endif
+#if MEMORY_512MB
+	PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00200003,
+#endif
+
+	/* PCI I/O Limit i Registers
+	 * F1:0xC4 i = 0
+	 * F1:0xCC i = 1
+	 * F1:0xD4 i = 2
+	 * F1:0xDC i = 3
+	 * [ 2: 0] Destination Node ID
+	 *         000 = Node 0
+	 *         001 = Node 1
+	 *         010 = Node 2
+	 *         011 = Node 3
+	 *         100 = Node 4
+	 *         101 = Node 5
+	 *         110 = Node 6
+	 *         111 = Node 7
+	 * [ 3: 3] Reserved
+	 * [ 5: 4] Destination Link ID
+	 *         00 = Link 0
+	 *         01 = Link 1
+	 *         10 = Link 2
+	 *         11 = reserved
+	 * [11: 6] Reserved
+	 * [24:12] PCI I/O Limit Address i
+	 *         This field defines the end of PCI I/O region n
+	 * [31:25] Reserved
+	 */
+	PCI_ADDR(0, 0x18, 1, 0xC4), 0xFE000FC8, 0x0000d000,
+	PCI_ADDR(0, 0x18, 1, 0xCC), 0xFE000FC8, 0x000ff000,
+	PCI_ADDR(0, 0x18, 1, 0xD4), 0xFE000FC8, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xDC), 0xFE000FC8, 0x00000000,
+
+	/* PCI I/O Base i Registers
+	 * F1:0xC0 i = 0
+	 * F1:0xC8 i = 1
+	 * F1:0xD0 i = 2
+	 * F1:0xD8 i = 3
+	 * [ 0: 0] Read Enable
+	 *         0 = Reads Disabled
+	 *         1 = Reads Enabled
+	 * [ 1: 1] Write Enable
+	 *         0 = Writes Disabled
+	 *         1 = Writes Enabled
+	 * [ 3: 2] Reserved
+	 * [ 4: 4] VGA Enable
+	 *         0 = VGA matches Disabled
+	 *         1 = matches all address < 64K and where A[9:0] is in the 
+	 *             range 3B0-3BB or 3C0-3DF independen of the base & limit registers
+	 * [ 5: 5] ISA Enable
+	 *         0 = ISA matches Disabled
+	 *         1 = Blocks address < 64K and in the last 768 bytes of eack 1K block
+	 *             from matching agains this base/limit pair
+	 * [11: 6] Reserved
+	 * [24:12] PCI I/O Base i
+	 *         This field defines the start of PCI I/O region n 
+	 * [31:25] Reserved
+	 */
+	PCI_ADDR(0, 0x18, 1, 0xC0), 0xFE000FCC, 0x0000d003,
+	PCI_ADDR(0, 0x18, 1, 0xC8), 0xFE000FCC, 0x00001013,
+	PCI_ADDR(0, 0x18, 1, 0xD0), 0xFE000FCC, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xD8), 0xFE000FCC, 0x00000000,
+
+	/* Config Base and Limit i Registers
+	 * F1:0xE0 i = 0
+	 * F1:0xE4 i = 1
+	 * F1:0xE8 i = 2
+	 * F1:0xEC i = 3
+	 * [ 0: 0] Read Enable
+	 *         0 = Reads Disabled
+	 *         1 = Reads Enabled
+	 * [ 1: 1] Write Enable
+	 *         0 = Writes Disabled
+	 *         1 = Writes Enabled
+	 * [ 2: 2] Device Number Compare Enable
+	 *         0 = The ranges are based on bus number
+	 *         1 = The ranges are ranges of devices on bus 0
+	 * [ 3: 3] Reserved
+	 * [ 6: 4] Destination Node
+	 *         000 = Node 0
+	 *         001 = Node 1
+	 *         010 = Node 2
+	 *         011 = Node 3
+	 *         100 = Node 4
+	 *         101 = Node 5
+	 *         110 = Node 6
+	 *         111 = Node 7
+	 * [ 7: 7] Reserved
+	 * [ 9: 8] Destination Link
+	 *         00 = Link 0
+	 *         01 = Link 1
+	 *         10 = Link 2
+	 *         11 - Reserved
+	 * [15:10] Reserved
+	 * [23:16] Bus Number Base i
+	 *         This field defines the lowest bus number in configuration region i
+	 * [31:24] Bus Number Limit i
+	 *         This field defines the highest bus number in configuration regin i
+	 */
+	PCI_ADDR(0, 0x18, 1, 0xE0), 0x0000FC88, 0xff000003,
+	PCI_ADDR(0, 0x18, 1, 0xE4), 0x0000FC88, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xE8), 0x0000FC88, 0x00000000,
+	PCI_ADDR(0, 0x18, 1, 0xEC), 0x0000FC88, 0x00000000,
+
+	};
+	int i;
+	int max;
+	print_debug("setting up coherent ht domain....\r\n");
+	max = sizeof(register_values)/sizeof(register_values[0]);
+	for(i = 0; i < max; i += 3) {
+		unsigned long reg;
+#if 0
+		print_debug_hex32(register_values[i]);
+		print_debug(" <-");
+		print_debug_hex32(register_values[i+2]);
+		print_debug("\r\n");
+#endif
+		reg = pci_read_config32(register_values[i]);
+		reg &= register_values[i+1];
+		reg |= register_values[i+2] & ~register_values[i+1];
+		pci_write_config32(register_values[i], reg);
+	}
+	print_debug("done.\r\n");
+}
+