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authorEric Biederman <ebiederm@xmission.com>2003-05-19 19:16:21 +0000
committerEric Biederman <ebiederm@xmission.com>2003-05-19 19:16:21 +0000
commit526855741b6abb970024366316b941fb6b3d2cb6 (patch)
tree7da1560ec08c513a23b23704cae3637925e5bd68 /src/mainboard
parent49cf5967ce31af37e61d59a00939f50bc4256761 (diff)
downloadcoreboot-526855741b6abb970024366316b941fb6b3d2cb6.tar.xz
- Cleanups on the romcc side including a pci interface that uses
fewer registers, and is easier to hardcode. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@838 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/amd/solo/auto.c1438
-rw-r--r--src/mainboard/amd/solo/mainboard.c126
2 files changed, 1025 insertions, 539 deletions
diff --git a/src/mainboard/amd/solo/auto.c b/src/mainboard/amd/solo/auto.c
index 61cf7cd356..c2d5b88190 100644
--- a/src/mainboard/amd/solo/auto.c
+++ b/src/mainboard/amd/solo/auto.c
@@ -1,313 +1,25 @@
#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
#include "arch/romcc_io.h"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
+static void die(const char *str)
+{
+ print_emerg(str);
+ do {
+ hlt();
+ } while(1);
+}
#define MEMORY_512MB 0 /* SuSE Solo configuration */
#define MEMORY_1024MB 1 /* LNXI Solo configuration */
-
-
static void sdram_set_registers(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
- */
- 0xc040, 0xfff0f0f0, 0x00010101,
- 0xc044, 0xfff0f0f0, 0x00010101,
- 0xc048, 0xfff0f0f0, 0x00010101,
- 0xc04c, 0xfff0f0f0, 0x00010101,
- 0xc050, 0xfff0f0f0, 0x00010101,
- 0xc054, 0xfff0f0f0, 0x00010101,
- 0xc058, 0xfff0f0f0, 0x00010101,
- 0xc05c, 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] Disalbe 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.
- */
- 0xc068, 0x00800000, 0x0f00840f,
- /* HT Initialization Control Register
- * F0:0x68
- * [ 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
- *
- */
- 0xc06C, 0xffffff8c, 0x00000000,
- /* 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)
- */
- 0xc084, 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
- */
- 0xC088, 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
- */
- 0xC094, 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
@@ -336,18 +48,18 @@ static void sdram_set_registers(void)
* that define the end of the DRAM region.
*/
#if MEMORY_1024MB
- 0xC144, 0x0000f8f8, 0x003f0000,
+ PCI_ADDR(0, 0x18, 1, 0x44), 0x0000f8f8, 0x003f0000,
#endif
#if MEMORY_512MB
- 0xC144, 0x0000f8f8, 0x001f0000,
+ PCI_ADDR(0, 0x18, 1, 0x44), 0x0000f8f8, 0x001f0000,
#endif
- 0xC14C, 0x0000f8f8, 0x00000001,
- 0xC154, 0x0000f8f8, 0x00000002,
- 0xC15C, 0x0000f8f8, 0x00000003,
- 0xC164, 0x0000f8f8, 0x00000004,
- 0xC16C, 0x0000f8f8, 0x00000005,
- 0xC174, 0x0000f8f8, 0x00000006,
- 0xC17C, 0x0000f8f8, 0x00000007,
+ 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
@@ -378,24 +90,24 @@ static void sdram_set_registers(void)
* This field defines the upper address bits of a 40-bit address
* that define the start of the DRAM region.
*/
- 0xC140, 0x0000f8fc, 0x00000003,
+ PCI_ADDR(0, 0x18, 1, 0x40), 0x0000f8fc, 0x00000003,
#if MEMORY_1024MB
- 0xC148, 0x0000f8fc, 0x00400000,
- 0xC150, 0x0000f8fc, 0x00400000,
- 0xC158, 0x0000f8fc, 0x00400000,
- 0xC160, 0x0000f8fc, 0x00400000,
- 0xC168, 0x0000f8fc, 0x00400000,
- 0xC170, 0x0000f8fc, 0x00400000,
- 0xC178, 0x0000f8fc, 0x00400000,
+ 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
- 0xC148, 0x0000f8fc, 0x00200000,
- 0xC150, 0x0000f8fc, 0x00200000,
- 0xC158, 0x0000f8fc, 0x00200000,
- 0xC160, 0x0000f8fc, 0x00200000,
- 0xC168, 0x0000f8fc, 0x00200000,
- 0xC170, 0x0000f8fc, 0x00200000,
- 0xC178, 0x0000f8fc, 0x00200000,
+ 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
@@ -430,14 +142,14 @@ static void sdram_set_registers(void)
* This field defines the upp adddress bits of a 40-bit address that
* defines the end of a memory-mapped I/O region n
*/
- 0xC184, 0x00000048, 0x00e1ff00,
- 0xC18C, 0x00000048, 0x00dfff00,
- 0xC194, 0x00000048, 0x00e3ff00,
- 0xC19C, 0x00000048, 0x00000000,
- 0xC1A4, 0x00000048, 0x00000000,
- 0xC1AC, 0x00000048, 0x00000000,
- 0xC1B4, 0x00000048, 0x00000b00,
- 0xC1BC, 0x00000048, 0x00fe0b00,
+ 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
@@ -465,18 +177,18 @@ static void sdram_set_registers(void)
* This field defines the upper address bits of a 40bit address
* that defines the start of memory-mapped I/O region i
*/
- 0xC180, 0x000000f0, 0x00e00003,
- 0xC188, 0x000000f0, 0x00d80003,
- 0xC190, 0x000000f0, 0x00e20003,
- 0xC198, 0x000000f0, 0x00000000,
- 0xC1A0, 0x000000f0, 0x00000000,
- 0xC1A8, 0x000000f0, 0x00000000,
- 0xC1B0, 0x000000f0, 0x00000a03,
+ 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
- 0xC1B8, 0x000000f0, 0x00400003,
+ PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00400003,
#endif
#if MEMORY_512MB
- 0xC1B8, 0x000000f0, 0x00200003,
+ PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00200003,
#endif
/* PCI I/O Limit i Registers
@@ -504,10 +216,10 @@ static void sdram_set_registers(void)
* This field defines the end of PCI I/O region n
* [31:25] Reserved
*/
- 0xC1C4, 0xFE000FC8, 0x0000d000,
- 0xC1CC, 0xFE000FC8, 0x000ff000,
- 0xC1D4, 0xFE000FC8, 0x00000000,
- 0xC1DC, 0xFE000FC8, 0x00000000,
+ 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
@@ -534,10 +246,10 @@ static void sdram_set_registers(void)
* This field defines the start of PCI I/O region n
* [31:25] Reserved
*/
- 0xC1C0, 0xFE000FCC, 0x0000d003,
- 0xC1C8, 0xFE000FCC, 0x00001013,
- 0xC1D0, 0xFE000FCC, 0x00000000,
- 0xC1D8, 0xFE000FCC, 0x00000000,
+ 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
@@ -575,10 +287,10 @@ static void sdram_set_registers(void)
* [31:24] Bus Number Limit i
* This field defines the highest bus number in configuration regin i
*/
- 0xC1E0, 0x0000FC88, 0xff000003,
- 0xC1E4, 0x0000FC88, 0x00000000,
- 0xC1E8, 0x0000FC88, 0x00000000,
- 0xC1EC, 0x0000FC88, 0x00000000,
+ 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,
/* DRAM CS Base Address i Registers
* F2:0x40 i = 0
@@ -601,21 +313,21 @@ static void sdram_set_registers(void)
* address that define the memory address space. These
* bits decode 32-MByte blocks of memory.
*/
- 0xC240, 0x001f01fe, 0x00000001,
+ PCI_ADDR(0, 0x18, 2, 0x40), 0x001f01fe, 0x00000001,
#if MEMORY_1024MB
- 0xC244, 0x001f01fe, 0x01000001,
- 0xC248, 0x001f01fe, 0x02000001,
- 0xC24C, 0x001f01fe, 0x03000001,
+ PCI_ADDR(0, 0x18, 2, 0x44), 0x001f01fe, 0x01000001,
+ PCI_ADDR(0, 0x18, 2, 0x48), 0x001f01fe, 0x02000001,
+ PCI_ADDR(0, 0x18, 2, 0x4C), 0x001f01fe, 0x03000001,
#endif
#if MEMORY_512MB
- 0xC244, 0x001f01fe, 0x00800001,
- 0xC248, 0x001f01fe, 0x01000001,
- 0xC24C, 0x001f01fe, 0x01800001,
+ PCI_ADDR(0, 0x18, 2, 0x44), 0x001f01fe, 0x00800001,
+ PCI_ADDR(0, 0x18, 2, 0x48), 0x001f01fe, 0x01000001,
+ PCI_ADDR(0, 0x18, 2, 0x4C), 0x001f01fe, 0x01800001,
#endif
- 0xC250, 0x001f01fe, 0x00000000,
- 0xC254, 0x001f01fe, 0x00000000,
- 0xC258, 0x001f01fe, 0x00000000,
- 0xC25C, 0x001f01fe, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x50), 0x001f01fe, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x54), 0x001f01fe, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x58), 0x001f01fe, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x5C), 0x001f01fe, 0x00000000,
/* DRAM CS Mask Address i Registers
* F2:0x60 i = 0
* F2:0x64 i = 1
@@ -636,21 +348,21 @@ static void sdram_set_registers(void)
*
*/
#if MEMORY_1024MB
- 0xC260, 0xC01f01ff, 0x00e0fe00,
- 0xC264, 0xC01f01ff, 0x00e0fe00,
- 0xC268, 0xC01f01ff, 0x00e0fe00,
- 0xC26C, 0xC01f01ff, 0x00e0fe00,
+ PCI_ADDR(0, 0x18, 2, 0x60), 0xC01f01ff, 0x00e0fe00,
+ PCI_ADDR(0, 0x18, 2, 0x64), 0xC01f01ff, 0x00e0fe00,
+ PCI_ADDR(0, 0x18, 2, 0x68), 0xC01f01ff, 0x00e0fe00,
+ PCI_ADDR(0, 0x18, 2, 0x6C), 0xC01f01ff, 0x00e0fe00,
#endif
#if MEMORY_512MB
- 0xC260, 0xC01f01ff, 0x0060fe00,
- 0xC264, 0xC01f01ff, 0x0060fe00,
- 0xC268, 0xC01f01ff, 0x0060fe00,
- 0xC26C, 0xC01f01ff, 0x0060fe00,
+ PCI_ADDR(0, 0x18, 2, 0x60), 0xC01f01ff, 0x0060fe00,
+ PCI_ADDR(0, 0x18, 2, 0x64), 0xC01f01ff, 0x0060fe00,
+ PCI_ADDR(0, 0x18, 2, 0x68), 0xC01f01ff, 0x0060fe00,
+ PCI_ADDR(0, 0x18, 2, 0x6C), 0xC01f01ff, 0x0060fe00,
#endif
- 0xC270, 0xC01f01ff, 0x00000000,
- 0xC274, 0xC01f01ff, 0x00000000,
- 0xC278, 0xC01f01ff, 0x00000000,
- 0xC27C, 0xC01f01ff, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x70), 0xC01f01ff, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x74), 0xC01f01ff, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x78), 0xC01f01ff, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x7C), 0xC01f01ff, 0x00000000,
/* DRAM Bank Address Mapping Register
* F2:0x80
* Specify the memory module size
@@ -672,10 +384,10 @@ static void sdram_set_registers(void)
* [31:15]
*/
#if MEMORY_1024MB
- 0xC280, 0xffff8888, 0x00000033,
+ PCI_ADDR(0, 0x18, 2, 0x80), 0xffff8888, 0x00000033,
#endif
#if MEMORY_512MB
- 0xC280, 0xffff8888, 0x00000022,
+ PCI_ADDR(0, 0x18, 2, 0x80), 0xffff8888, 0x00000022,
#endif
/* DRAM Timing Low Register
* F2:0x88
@@ -741,7 +453,7 @@ static void sdram_set_registers(void)
* 1 = 3 bus clocks
* [31:29] Reserved
*/
- 0xC288, 0xe8088008, 0x03623125,
+ PCI_ADDR(0, 0x18, 2, 0x88), 0xe8088008, 0x03623125,
/* DRAM Timing High Register
* F2:0x8C
* [ 0: 0] Twtr (Write to Read Delay)
@@ -772,10 +484,10 @@ static void sdram_set_registers(void)
* [31:23] Reserved
*/
#if MEMORY_1024MB
- 0xC28c, 0xff8fe08e, 0x00000930,
+ PCI_ADDR(0, 0x18, 2, 0x8c), 0xff8fe08e, 0x00000930,
#endif
#if MEMORY_512MB
- 0xC28c, 0xff8fe08e, 0x00000130,
+ PCI_ADDR(0, 0x18, 2, 0x8c), 0xff8fe08e, 0x00000130,
#endif
/* DRAM Config Low Register
@@ -848,7 +560,7 @@ static void sdram_set_registers(void)
* 111 = Oldest entry in DCQ can be bypassed 7 times
* [31:28] Reserved
*/
- 0xC290, 0xf0000000,
+ PCI_ADDR(0, 0x18, 2, 0x90), 0xf0000000,
(4 << 25)|(0 << 24)|
(0 << 23)|(0 << 22)|(0 << 21)|(0 << 20)|
(1 << 19)|(1 << 18)|(0 << 17)|(0 << 16)|
@@ -920,10 +632,10 @@ static void sdram_set_registers(void)
* [31:30] Reserved
*/
#if MEMORY_1024MB
- 0xC294, 0xc180f0f0, 0x0e2b0a05,
+ PCI_ADDR(0, 0x18, 2, 0x94), 0xc180f0f0, 0x0e2b0a05,
#endif
#if MEMORY_512MB
- 0xC294, 0xc180f0f0, 0x0e2b0a06,
+ PCI_ADDR(0, 0x18, 2, 0x94), 0xc180f0f0, 0x0e2b0a06,
#endif
/* DRAM Delay Line Register
* F2:0x98
@@ -940,7 +652,7 @@ static void sdram_set_registers(void)
* 1 = Adj is used to decrease the PDL delay
* [31:26] Reserved
*/
- 0xC298, 0xfc00ffff, 0x00000000,
+ PCI_ADDR(0, 0x18, 2, 0x98), 0xfc00ffff, 0x00000000,
/* DRAM Scrub Control Register
* F3:0x58
* [ 4: 0] DRAM Scrube Rate
@@ -974,7 +686,7 @@ static void sdram_set_registers(void)
* 10110 = 84.00 ms
* All Others = Reserved
*/
- 0xC358, 0xffe0e0e0, 0x00000000,
+ PCI_ADDR(0, 0x18, 3, 0x58), 0xffe0e0e0, 0x00000000,
/* DRAM Scrub Address Low Register
* F3:0x5C
* [ 0: 0] DRAM Scrubber Redirect Enable
@@ -983,17 +695,17 @@ static void sdram_set_registers(void)
* [ 5: 1] Reserved
* [31: 6] DRAM Scrub Address 31-6
*/
- 0xC35C, 0x0000003e, 0x00000000,
+ PCI_ADDR(0, 0x18, 3, 0x5C), 0x0000003e, 0x00000000,
/* DRAM Scrub Address High Register
* F3:0x60
* [ 7: 0] DRAM Scrubb Address 39-32
* [31: 8] Reserved
*/
- 0xC360, 0xffffff00, 0x00000000,
+ PCI_ADDR(0, 0x18, 3, 0x60), 0xffffff00, 0x00000000,
};
int i;
int max;
- print_debug("setting up northbridge registers\r\n");
+ print_debug("setting up CPU0 northbridge registers\r\n");
max = sizeof(register_values)/sizeof(register_values[0]);
for(i = 0; i < max; i += 3) {
unsigned long reg;
@@ -1003,18 +715,14 @@ static void sdram_set_registers(void)
print_debug_hex32(register_values[i+2]);
print_debug("\r\n");
#endif
- reg = pcibios_read_config_dword(
- 0, register_values[i] >> 8, register_values[i] & 0xff);
+ reg = pci_read_config32(register_values[i]);
reg &= register_values[i+1];
- reg |= register_values[i+2] & ~register_values[i+1];
- pcibios_write_config_dword(
- 0, register_values[i] >> 8, register_values[i] & 0xff, reg);
+ reg |= register_values[i+2];
+ pci_write_config32(register_values[i], reg);
}
- print_debug("setting up northbridge registers done. hurray!\r\n");
+ print_debug("done.\r\n");
}
-#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
-
#define DRAM_CONFIG_LOW 0x90
#define DCL_DLL_Disable (1<<0)
#define DCL_D_DRV (1<<1)
@@ -1025,13 +733,20 @@ static void sdram_set_registers(void)
#define DCL_MemClrStatus (1<<11)
#define DCL_DimmEcEn (1<<17)
+#define NODE_ID 0x60
+#define HT_INIT_CONTROL 0x6c
+
+#define HTIC_ColdR_Detect (1<<4)
+#define HTIC_BIOSR_Detect (1<<5)
+#define HTIC_INIT_Detect (1<<6)
+
static void sdram_set_spd_registers(void)
{
unsigned long dcl;
- dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18,2), DRAM_CONFIG_LOW);
+ dcl = pci_read_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW));
/* Until I know what is going on disable ECC support */
dcl &= ~DCL_DimmEcEn;
- pcibios_write_config_dword(0, PCI_DEVFN(0x18,2), DRAM_CONFIG_LOW, dcl);
+ pci_write_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW), dcl);
}
#define TIMEOUT_LOOPS 300000
@@ -1040,27 +755,26 @@ static void sdram_enable(void)
unsigned long dcl;
/* Toggle DisDqsHys to get it working */
- dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18,2), DRAM_CONFIG_LOW);
+ dcl = pci_read_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW));
print_debug("dcl: ");
print_debug_hex32(dcl);
print_debug("\r\n");
dcl |= DCL_DisDqsHys;
- pcibios_write_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW, dcl);
+ pci_write_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW), dcl);
dcl &= ~DCL_DisDqsHys;
dcl &= ~DCL_DLL_Disable;
dcl &= ~DCL_D_DRV;
dcl &= ~DCL_QFC_EN;
dcl |= DCL_DramInit;
- pcibios_write_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW, dcl);
+ pci_write_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW), dcl);
print_debug("Initializing memory: ");
int loops = 0;
do {
- dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW);
+ dcl = pci_read_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW));
loops += 1;
if ((loops & 1023) == 0) {
- print_debug(" ");
- print_debug_hex32(loops);
+ print_debug(".");
}
} while(((dcl & DCL_DramInit) != 0) && (loops < TIMEOUT_LOOPS));
if (loops >= TIMEOUT_LOOPS) {
@@ -1073,7 +787,7 @@ static void sdram_enable(void)
print_debug("Clearing memory: ");
loops = 0;
do {
- dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW);
+ dcl = pci_read_config32(PCI_ADDR(0, 0x18, 2, DRAM_CONFIG_LOW));
loops += 1;
if ((loops & 1023) == 0) {
print_debug(" ");
@@ -1092,34 +806,932 @@ static void sdram_first_normal_reference(void) {}
static void sdram_enable_refresh(void) {}
static void sdram_special_finishup(void) {}
-static int sdram_enabled(void)
+#include "sdram/generic_sdram.c"
+
+static int boot_cpu(void)
+{
+ volatile unsigned long *local_apic;
+ unsigned long apic_id;
+ int bsp;
+ msr_t msr;
+ msr = rdmsr(0x1b);
+ bsp = !!(msr.lo & (1 << 8));
+ if (bsp) {
+ print_debug("Bootstrap cpu\r\n");
+ }
+
+ return bsp;
+}
+
+static int cpu_init_detected(void)
{
unsigned long dcl;
- int enabled;
- dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW);
- enabled = !!(dcl & DCL_DramEnable);
- if (enabled) {
- print_debug("DRAM already enabled.");
+ int cpu_init;
+
+ unsigned long htic;
+
+ htic = pci_read_config32(PCI_ADDR(0, 0x18, 0, HT_INIT_CONTROL));
+#if 0
+ print_debug("htic: ");
+ print_debug_hex32(htic);
+ print_debug("\r\n");
+
+ if (!(htic & HTIC_ColdR_Detect)) {
+ print_debug("Cold Reset.\r\n");
+ }
+ if ((htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect)) {
+ print_debug("BIOS generated Reset.\r\n");
}
- return enabled;
+ if (htic & HTIC_INIT_Detect) {
+ print_debug("Init event.\r\n");
+ }
+#endif
+ cpu_init = (htic & HTIC_INIT_Detect);
+ if (cpu_init) {
+ print_debug("CPU INIT Detected.\r\n");
+ }
+ return cpu_init;
}
+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,
-#include "sdram/generic_sdram.c"
+ /* 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");
+}
+
+static void enumerate_ht_chain(void)
+{
+ unsigned next_unitid, last_unitid;;
+ next_unitid = 1;
+ do {
+ uint32_t id;
+ uint8_t hdr_type, pos;
+ last_unitid = next_unitid;
+
+ id = pci_read_config32(PCI_ADDR(0,0,0,PCI_VENDOR_ID));
+ /* If the chain is enumerated quit */
+ if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+ (((id >> 16) & 0xffff) == 0xffff) ||
+ (((id >> 16) & 0xffff) == 0x0000)) {
+ break;
+ }
+ hdr_type = pci_read_config8(PCI_ADDR(0,0,0,PCI_HEADER_TYPE));
+ pos = 0;
+ hdr_type &= 0x7f;
+
+ if ((hdr_type == PCI_HEADER_TYPE_NORMAL) ||
+ (hdr_type == PCI_HEADER_TYPE_BRIDGE)) {
+ pos = pci_read_config8(PCI_ADDR(0,0,0, PCI_CAPABILITY_LIST));
+ }
+ while(pos != 0) {
+ uint8_t cap;
+ cap = pci_read_config8(PCI_ADDR(0,0,0, pos + PCI_CAP_LIST_ID));
+ if (cap == PCI_CAP_ID_HT) {
+ uint16_t flags;
+ flags = pci_read_config16(PCI_ADDR(0,0,0, pos + PCI_CAP_FLAGS));
+ if ((flags >> 13) == 0) {
+ unsigned count;
+ flags &= ~0x1f;
+ flags |= next_unitid & 0x1f;
+ count = (flags >> 5) & 0x1f;
+ pci_write_config16(PCI_ADDR(0, 0, 0, pos + PCI_CAP_FLAGS), flags);
+ next_unitid += count;
+ break;
+ }
+ }
+ pos = pci_read_config8(PCI_ADDR(0, 0, 0, pos + PCI_CAP_LIST_NEXT));
+ }
+ } while((last_unitid != next_unitid) && (next_unitid <= 0x1f));
+}
+
+static void print_pci_devices(void)
+{
+ uint32_t addr;
+ for(addr = PCI_ADDR(0, 0, 0, 0);
+ addr <= PCI_ADDR(0, 0x1f, 0x7, 0);
+ addr += PCI_ADDR(0,0,1,0)) {
+ uint32_t id;
+ id = pci_read_config32(addr + PCI_VENDOR_ID);
+ if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+ (((id >> 16) & 0xffff) == 0xffff) ||
+ (((id >> 16) & 0xffff) == 0x0000)) {
+ continue;
+ }
+ print_debug("PCI: 00:");
+ print_debug_hex8(addr >> 11);
+ print_debug_char('.');
+ print_debug_hex8((addr >> 8) & 7);
+ print_debug("\r\n");
+ }
+}
+
+#define PCI_ID(VENDOR_ID, DEVICE_ID) ((DEVICE_ID << 16) | (VENDOR_ID))
+#define SMBUS_IO_BASE 0x1000
+
+#define SMBGSTATUS 0xe0
+#define SMBGCTL 0xe2
+#define SMBHSTADDR 0xe4
+#define SMBHSTDAT 0xe6
+#define SMBHSTCMD 0xe8
+#define SMBHSTFIFO 0xe9
+
+#define SMBUS_TIMEOUT (100*1000*10)
+
+static void enable_smbus(void)
+{
+ uint32_t addr;
+ for(addr = PCI_ADDR(0, 0, 0, 0);
+ addr <= PCI_ADDR(0, 0x1f, 0x7, 0);
+ addr += PCI_ADDR(0,0,1,0)) {
+ uint32_t id;
+ id = pci_read_config32(addr);
+ if (id == PCI_ID(0x1022, 0x746b)) {
+ break;
+ }
+ }
+ if (addr > PCI_ADDR(0, 0x1f, 0x7, 0)) {
+ die("SMBUS controller not found\r\n");
+ }
+ uint8_t enable;
+ print_debug("SMBus controller enabled\r\n");
+ pci_write_config32(addr + 0x58, SMBUS_IO_BASE | 1);
+ enable = pci_read_config8(addr + 0x41);
+ pci_write_config8(addr + 0x41, enable | (1 << 7));
+}
+
+
+static inline void smbus_delay(void)
+{
+ outb(0x80, 0x80);
+}
+
+static int smbus_wait_until_ready(void)
+{
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned short val;
+ smbus_delay();
+ val = inw(SMBUS_IO_BASE + SMBGSTATUS);
+ if ((val & 0x800) == 0) {
+ break;
+ }
+ } while(--loops);
+ return loops?0:-1;
+}
+
+static int smbus_wait_until_done(void)
+{
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned short val;
+ smbus_delay();
+
+ val = inw(SMBUS_IO_BASE + SMBGSTATUS);
+ if (((val & 0x8) == 0) || ((val & 0x437) != 0)) {
+ break;
+ }
+ } while(--loops);
+ return loops?0:-1;
+}
+
+static int smbus_read_byte(unsigned device, unsigned address)
+{
+ unsigned char global_control_register;
+ unsigned char global_status_register;
+ unsigned char byte;
+
+ if (smbus_wait_until_ready() < 0) {
+ return -1;
+ }
+
+ /* setup transaction */
+ /* disable interrupts */
+ outw(inw(SMBUS_IO_BASE + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), SMBUS_IO_BASE + SMBGCTL);
+ /* set the device I'm talking too */
+ outw(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBHSTADDR);
+ /* set the command/address... */
+ outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
+ /* set up for a byte data read */
+ outw((inw(SMBUS_IO_BASE + SMBGCTL) & ~7) | (0x2), SMBUS_IO_BASE + SMBGCTL);
+
+ /* clear any lingering errors, so the transaction will run */
+ /* Do I need to write the bits to a 1 to clear an error? */
+ outw(inw(SMBUS_IO_BASE + SMBGSTATUS), SMBUS_IO_BASE + SMBGSTATUS);
+
+ /* clear the data word...*/
+ outw(0, SMBUS_IO_BASE + SMBHSTDAT);
+
+ /* start the command */
+ outw((inw(SMBUS_IO_BASE + SMBGCTL) | (1 << 3)), SMBUS_IO_BASE + SMBGCTL);
+
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done() < 0) {
+ return -1;
+ }
+
+ global_status_register = inw(SMBUS_IO_BASE + SMBGSTATUS);
+
+ /* read results of transaction */
+ byte = inw(SMBUS_IO_BASE + SMBHSTDAT) & 0xff;
+
+ if (global_status_register != (1 << 4)) {
+ return -1;
+ }
+ return byte;
+}
+
+static void dump_spd_registers(void)
+{
+ unsigned device;
+ device = SMBUS_MEM_DEVICE_START;
+ print_debug("\r\n");
+ while(device <= SMBUS_MEM_DEVICE_END) {
+ int i;
+ print_debug("dimm: ");
+ print_debug_hex8(device);
+ for(i = 0; i < 256; i++) {
+ int status;
+ unsigned char byte;
+ if ((i & 0xf) == 0) {
+ print_debug("\r\n");
+ print_debug_hex8(i);
+ print_debug(": ");
+ }
+ status = smbus_read_byte(device, i);
+ if (status < 0) {
+ print_debug("bad device\r\n");
+ continue;
+ }
+ byte = status & 0xff;
+ print_debug_hex8(byte);
+ print_debug_char(' ');
+ }
+ device += SMBUS_MEM_DEVICE_INC;
+ print_debug("\r\n");
+ }
+}
+
+static void dump_spd_registers1(void)
+{
+ int i;
+ print_debug("dimm: ");
+ print_debug_hex8(SMBUS_MEM_DEVICE_START);
+ for(i = 0; i < 256; i++) {
+ int status;
+ unsigned char byte;
+ if ((i & 0xf) == 0) {
+ print_debug("\r\n");
+ print_debug_hex8(i);
+ print_debug(": ");
+ }
+ status = smbus_read_byte(SMBUS_MEM_DEVICE_START, i);
+ if (status < 0) {
+ print_debug("bad device\r\n");
+ break;
+ }
+ byte = status & 0xff;
+ print_debug_hex8(byte);
+ print_debug_char(' ');
+ }
+ print_debug("\r\n");
+}
+
+
+
+static void dump_spd_registers2(void)
+{
+ unsigned dev;
+ print_debug("\r\n");
+ for(dev = SMBUS_MEM_DEVICE_START; dev <= SMBUS_MEM_DEVICE_END; dev += SMBUS_MEM_DEVICE_INC) {
+ print_debug("dimm: ");
+ print_debug_hex8(dev);
+ int status;
+ unsigned char byte;
+ status = smbus_read_byte(dev, 0);
+ if (status < 0) {
+ print_debug("bad device\r\n");
+ continue;
+ }
+ byte = status & 0xff;
+ print_debug_hex8(byte);
+ print_debug("\r\n");
+ }
+}
static void main(void)
{
uart_init();
console_init();
- if (!sdram_enabled()) {
+ if (boot_cpu() && !cpu_init_detected()) {
+ setup_coherent_ht_domain();
+ enumerate_ht_chain();
+ print_pci_devices();
+ enable_smbus();
sdram_initialize();
#if 0
+ dump_spd_registers();
+#endif
+ dump_spd_registers1();
+ dump_spd_registers2();
+#if 0
ram_fill( 0x00100000, 0x00180000);
ram_verify(0x00100000, 0x00180000);
#endif
-#if 1
+#ifdef MEMORY_1024MB
ram_fill( 0x00000000, 0x00001000);
ram_verify(0x00000000, 0x00001000);
#endif
+#ifdef MEMROY_512MB
+ ram_fill( 0x00000000, 0x01ffffff);
+ ram_verify(0x00000000, 0x01ffffff);
+#endif
}
}
diff --git a/src/mainboard/amd/solo/mainboard.c b/src/mainboard/amd/solo/mainboard.c
index 6578ef606f..5690bd5afd 100644
--- a/src/mainboard/amd/solo/mainboard.c
+++ b/src/mainboard/amd/solo/mainboard.c
@@ -9,129 +9,3 @@ unsigned long initial_apicid[MAX_CPUS] =
{
0
};
-
-void
-mainboard_fixup(void)
-{
-}
-
-void
-final_mainboard_fixup(void)
-{
-#if 0
-// void final_southbridge_fixup(void);
-// void final_superio_fixup(void);
-
- printk_info("AMD Solo initializing...");
-
-// final_southbridge_fixup();
-
-//#ifndef USE_NEW_SUPERIO_INTERFACE
-//final_superio_fixup();
-//#endif
-#endif
-}
-
-struct ioapicreg {
- unsigned int reg;
- unsigned int value_low, value_high;
-};
-static struct ioapicreg ioapicregvalues[] = {
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
- /* mask, trigger, polarity, destination, delivery, vector */
- {0x00, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT | 0, 0},
- {0x01, DISABLED, NONE},
- {0x02, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | INT | 0, 0},
- {0x03, DISABLED, NONE},
- {0x04, DISABLED, NONE},
- {0x05, DISABLED, NONE},
- {0x06, DISABLED, NONE},
- {0x07, DISABLED, NONE},
- {0x08, DISABLED, NONE},
- {0x09, DISABLED, NONE},
- {0x0a, DISABLED, NONE},
- {0x0b, DISABLED, NONE},
- {0x0c, DISABLED, NONE},
- {0x0d, DISABLED, NONE},
- {0x0e, DISABLED, NONE},
- {0x0f, DISABLED, NONE},
- {0x10, DISABLED, NONE},
- {0x11, DISABLED, NONE},
- {0x12, DISABLED, NONE},
- {0x13, DISABLED, NONE},
- {0x14, DISABLED, NONE},
- {0x14, DISABLED, NONE},
- {0x15, DISABLED, NONE},
- {0x16, DISABLED, NONE},
- {0x17, DISABLED, NONE},
- {0x18, DISABLED, NONE},
- {0x19, DISABLED, NONE},
- {0x20, DISABLED, NONE},
- {0x21, DISABLED, NONE},
- {0x22, DISABLED, NONE},
- {0x23, DISABLED, NONE},
-};
-
-static void setup_ioapic(void)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base = 0xfec00000;
- volatile unsigned long *l;
- struct ioapicreg *a = ioapicregvalues;
-
- l = (unsigned long *) ioapic_base;
- for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]);
- i++, a++) {
- l[0] = (a->reg * 2) + 0x10;
- l[4] = a->value_low;
- value_low = l[4];
- l[0] = (a->reg *2) + 0x11;
- l[4] = a->value_high;
- value_high = l[4];
- if ((i==0) && (value_low == 0xffffffff)) {
- printk_warning("IO APIC not responding.\n");
- return;
- }
- printk_spew("for IRQ, reg 0x%08x value 0x%08x 0x%08x\n",
- a->reg, a->value_low, a->value_high);
- }
-}
-
-static void lpc_init(struct device *dev)
-{
- uint8_t byte;
- printk_debug("lpc_init\n");
-#if 0
- pci_read_config_byte(dev, 0x4B, &byte);
- byte |= 1;
- pci_write_config_byte(dev, 0x4B, byte);
- setup_ioapic();
-#endif
-}
-
-static struct device_operations lpc_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .init = lpc_init,
- .scan_bus = 0,
-};
-
-static struct pci_driver lpc_driver __pci_driver = {
- .ops = &lpc_ops,
- .vendor = PCI_VENDOR_ID_AMD,
- .device = 0x7468,
-};