diff options
Diffstat (limited to 'src/mainboard/amd/solo')
| -rw-r--r-- | src/mainboard/amd/solo/auto.c | 1070 | ||||
| -rw-r--r-- | src/mainboard/amd/solo/cmos.layout | 74 | ||||
| -rw-r--r-- | src/mainboard/amd/solo/mainboard.c | 25 |
3 files changed, 1169 insertions, 0 deletions
diff --git a/src/mainboard/amd/solo/auto.c b/src/mainboard/amd/solo/auto.c new file mode 100644 index 0000000000..bc549fac90 --- /dev/null +++ b/src/mainboard/amd/solo/auto.c @@ -0,0 +1,1070 @@ +#define ASSEMBLY 1 +#include "arch/romcc_io.h" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "ram/ramtest.c" + + +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 + * 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. + */ + 0xC144, 0x0000f8f8, 0x003f0000, + 0xC148, 0x0000f8f8, 0x00000001, + 0xC154, 0x0000f8f8, 0x00000002, + 0xC158, 0x0000f8f8, 0x00000003, + 0xC164, 0x0000f8f8, 0x00000004, + 0xC168, 0x0000f8f8, 0x00000005, + 0xC174, 0x0000f8f8, 0x00000006, + 0xC178, 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. + */ + 0xC140, 0x0000f8fc, 0x00000003, + 0xC148, 0x0000f8fc, 0x00400000, + 0xC150, 0x0000f8fc, 0x00400000, + 0xC158, 0x0000f8fc, 0x00400000, + 0xC160, 0x0000f8fc, 0x00400000, + 0xC168, 0x0000f8fc, 0x00400000, + 0xC170, 0x0000f8fc, 0x00400000, + 0xC178, 0x0000f8fc, 0x00400000, + + /* 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 + */ + 0xC184, 0x00000048, 0x00e1ff00, + 0xC18C, 0x00000048, 0x00dfff00, + 0xC194, 0x00000048, 0x00e3ff00, + 0xC19C, 0x00000048, 0x00000000, + 0xC1A4, 0x00000048, 0x00000000, + 0xC1AC, 0x00000048, 0x00000000, + 0xC1B4, 0x00000048, 0x00000b00, + + + /* 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 + */ + 0xC1BC, 0x00000048, 0x00fe0b00, + 0xC180, 0x000000f0, 0x00e00003, + 0xC188, 0x000000f0, 0x00d80003, + 0xC190, 0x000000f0, 0x00e20003, + 0xC198, 0x000000f0, 0x00000000, + 0xC1A0, 0x000000f0, 0x00000000, + 0xC1A8, 0x000000f0, 0x00000000, + 0xC1B0, 0x000000f0, 0x0000a003, + 0xC1B8, 0x000000f0, 0x00400003, + + /* 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 + */ + 0xC1C4, 0xFE000FC8, 0x0000d000, + 0xC1CC, 0xFE000FC8, 0x000ff000, + 0xC1D4, 0xFE000FC8, 0x00000000, + 0xC1DC, 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 + */ + 0xC1C0, 0xFE000FCC, 0x0000d003, + 0xC1C8, 0xFE000FCC, 0x00001013, + 0xC1D0, 0xFE000FCC, 0x00000000, + 0xC1D8, 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 + */ + 0xC1E0, 0x0000FC88, 0xff000003, + 0xC1E4, 0x0000FC88, 0x00000000, + 0xC1E8, 0x0000FC88, 0x00000000, + 0xC1EC, 0x0000FC88, 0x00000000, + + /* DRAM CS Base Address i Registers + * F2:0x40 i = 0 + * F2:0x44 i = 1 + * F2:0x48 i = 2 + * F2:0x4C i = 3 + * F2:0x50 i = 4 + * F2:0x54 i = 5 + * F2:0x58 i = 6 + * F2:0x5C i = 7 + * [ 0: 0] Chip-Select Bank Enable + * 0 = Bank Disabled + * 1 = Bank Enabled + * [ 8: 1] Reserved + * [15: 9] Base Address (19-13) + * An optimization used when all DIMM are the same size... + * [20:16] Reserved + * [31:21] Base Address (35-25) + * This field defines the top 11 addresses bit of a 40-bit + * address that define the memory address space. These + * bits decode 32-MByte blocks of memory. + */ + 0xC240, 0x001f01fe, 0x00000001, + 0xC244, 0x001f01fe, 0x01000001, + 0xC248, 0x001f01fe, 0x02000001, + 0xC24C, 0x001f01fe, 0x03000001, + 0xC250, 0x001f01fe, 0x00000000, + 0xC254, 0x001f01fe, 0x00000000, + 0xC258, 0x001f01fe, 0x00000000, + 0xC25C, 0x001f01fe, 0x00000000, + /* DRAM CS Mask Address i Registers + * F2:0x60 i = 0 + * F2:0x64 i = 1 + * F2:0x68 i = 2 + * F2:0x6C i = 3 + * F2:0x70 i = 4 + * F2:0x74 i = 5 + * F2:0x78 i = 6 + * F2:0x7C i = 7 + * Select bits to exclude from comparison with the DRAM Base address register. + * [ 8: 0] Reserved + * [15: 9] Address Mask (19-13) + * Address to be excluded from the optimized case + * [20:16] Reserved + * [29:21] Address Mask (33-25) + * The bits with an address mask of 1 are excluded from address comparison + * [31:30] Reserved + * + */ + 0xC260, 0xC01f01ff, 0x00e0fe00, + 0xC264, 0xC01f01ff, 0x00e0fe00, + 0xC268, 0xC01f01ff, 0x00e0fe00, + 0xC26C, 0xC01f01ff, 0x00e0fe00, + 0xC270, 0xC01f01ff, 0x00000000, + 0xC274, 0xC01f01ff, 0x00000000, + 0xC278, 0xC01f01ff, 0x00000000, + 0xC27C, 0xC01f01ff, 0x00000000, + /* DRAM Bank Address Mapping Register + * F2:0x80 + * Specify the memory module size + * [ 2: 0] CS1/0 + * [ 6: 4] CS3/2 + * [10: 8] CS5/4 + * [14:12] CS7/6 + * 000 = 32Mbyte (Rows = 12 & Col = 8) + * 001 = 64Mbyte (Rows = 12 & Col = 9) + * 010 = 128Mbyte (Rows = 13 & Col = 9)|(Rows = 12 & Col = 10) + * 011 = 256Mbyte (Rows = 13 & Col = 10)|(Rows = 12 & Col = 11) + * 100 = 512Mbyte (Rows = 13 & Col = 11)|(Rows = 14 & Col = 10) + * 101 = 1Gbyte (Rows = 14 & Col = 11)|(Rows = 13 & Col = 12) + * 110 = 2Gbyte (Rows = 14 & Col = 12) + * 111 = reserved + * [ 3: 3] Reserved + * [ 7: 7] Reserved + * [11:11] Reserved + * [31:15] + */ + 0xC280, 0xffff8888, 0x00000033, + /* DRAM Timing Low Register + * F2:0x88 + * [ 2: 0] Tcl (Cas# Latency, Cas# to read-data-valid) + * 000 = reserved + * 001 = CL 2 + * 010 = CL 3 + * 011 = reserved + * 100 = reserved + * 101 = CL 2.5 + * 110 = reserved + * 111 = reserved + * [ 3: 3] Reserved + * [ 7: 4] Trc (Row Cycle Time, Ras#-active to Ras#-active/bank auto refresh) + * 0000 = 7 bus clocks + * 0001 = 8 bus clocks + * ... + * 1110 = 21 bus clocks + * 1111 = 22 bus clocks + * [11: 8] Trfc (Row refresh Cycle time, Auto-refresh-active to RAS#-active or RAS#auto-refresh) + * 0000 = 9 bus clocks + * 0010 = 10 bus clocks + * .... + * 1110 = 23 bus clocks + * 1111 = 24 bus clocks + * [14:12] Trcd (Ras#-active to Case#-read/write Delay) + * 000 = reserved + * 001 = reserved + * 010 = 2 bus clocks + * 011 = 3 bus clocks + * 100 = 4 bus clocks + * 101 = 5 bus clocks + * 110 = 6 bus clocks + * 111 = reserved + * [15:15] Reserved + * [18:16] Trrd (Ras# to Ras# Delay) + * 000 = reserved + * 001 = reserved + * 010 = 2 bus clocks + * 011 = 3 bus clocks + * 100 = 4 bus clocks + * 101 = reserved + * 110 = reserved + * 111 = reserved + * [19:19] Reserved + * [23:20] Tras (Minmum Ras# Active Time) + * 0000 to 0100 = reserved + * 0101 = 5 bus clocks + * ... + * 1111 = 15 bus clocks + * [26:24] Trp (Row Precharge Time) + * 000 = reserved + * 001 = reserved + * 010 = 2 bus clocks + * 011 = 3 bus clocks + * 100 = 4 bus clocks + * 101 = 5 bus clocks + * 110 = 6 bus clocks + * 111 = reserved + * [27:27] Reserved + * [28:28] Twr (Write Recovery Time) + * 0 = 2 bus clocks + * 1 = 3 bus clocks + * [31:29] Reserved + */ + 0xC288, 0xe8088008, 0x03623125, + /* DRAM Timing High Register + * F2:0x8C + * [ 0: 0] Twtr (Write to Read Delay) + * 0 = 1 bus Clocks + * 1 = 2 bus Clocks + * [ 3: 1] Reserved + * [ 6: 4] Trwf (Read to Write Delay) + * 000 = 1 bus clocks + * 001 = 2 bus clocks + * 010 = 3 bus clocks + * 011 = 4 bus clocks + * 100 = 5 bus clocks + * 101 = 6 bus clocks + * 110 = reserved + * 111 = reserved + * [ 7: 7] Reserved + * [12: 8] Tref (Refresh Rate) + * 00000 = 100Mhz 4K rows + * 00001 = 133Mhz 4K rows + * 00010 = 166Mhz 4K rows + * 01000 = 100Mhz 8K/16K rows + * 01001 = 133Mhz 8K/16K rows + * 01010 = 166Mhz 8K/16K rows + * [19:13] Reserved + * [22:20] Twcl (Write CAS Latency) + * 000 = 1 Mem clock after CAS# (Unbuffered Dimms) + * 001 = 2 Mem clocks after CAS# (Registered Dimms) + * [31:23] Reserved + */ + 0xC28c, 0xff8fe08e, 0x00000930, + + /* DRAM Config Low Register + * F2:0x90 + * [ 0: 0] DLL Disable + * 0 = Enabled + * 1 = Disabled + * [ 1: 1] D_DRV + * 0 = Normal Drive + * 1 = Weak Drive + * [ 2: 2] QFC_EN + * 0 = Disabled + * 1 = Enabled + * [ 3: 3] Disable DQS Hystersis (FIXME handle this one carefully) + * 0 = Enable DQS input filter + * 1 = Disable DQS input filtering + * [ 7: 4] Reserved + * [ 8: 8] DRAM_Init + * 0 = Initialization done or not yet started. + * 1 = Initiate DRAM intialization sequence + * [ 9: 9] SO-Dimm Enable + * 0 = Do nothing + * 1 = SO-Dimms present + * [10:10] DramEnable + * 0 = DRAM not enabled + * 1 = DRAM initialized and enabled + * [11:11] Memory Clear Status + * 0 = Memory Clear function has not completed + * 1 = Memory Clear function has completed + * [12:12] Exit Self-Refresh + * 0 = Exit from self-refresh done or not yet started + * 1 = DRAM exiting from self refresh + * [13:13] Self-Refresh Status + * 0 = Normal Operation + * 1 = Self-refresh mode active + * [15:14] Read/Write Queue Bypass Count + * 00 = 2 + * 01 = 4 + * 10 = 8 + * 11 = 16 + * [16:16] 128-bit/64-Bit + * 0 = 64bit Interface to DRAM + * 1 = 128bit Interface to DRAM + * [17:17] DIMM ECC Enable + * 0 = Some DIMMs do not have ECC + * 1 = ALL DIMMS have ECC bits + * [18:18] UnBuffered DIMMs + * 0 = Buffered DIMMS + * 1 = Unbuffered DIMMS + * [19:19] Enable 32-Byte Granularity + * 0 = Optimize for 64byte bursts + * 1 = Optimize for 32byte bursts + * [20:20] DIMM 0 is x4 + * [21:21] DIMM 1 is x4 + * [22:22] DIMM 2 is x4 + * [23:23] DIMM 3 is x4 + * 0 = DIMM is not x4 + * 1 = x4 DIMM present + * [24:24] Disable DRAM Receivers + * 0 = Receivers enabled + * 1 = Receivers disabled + * [27:25] Bypass Max + * 000 = Arbiters chois is always respected + * 001 = Oldest entry in DCQ can be bypassed 1 time + * 010 = Oldest entry in DCQ can be bypassed 2 times + * 011 = Oldest entry in DCQ can be bypassed 3 times + * 100 = Oldest entry in DCQ can be bypassed 4 times + * 101 = Oldest entry in DCQ can be bypassed 5 times + * 110 = Oldest entry in DCQ can be bypassed 6 times + * 111 = Oldest entry in DCQ can be bypassed 7 times + * [31:28] Reserved + */ + 0xC290, 0xf0000000, + (4 << 25)|(0 << 24)| + (0 << 23)|(0 << 22)|(0 << 21)|(0 << 20)| + (1 << 19)|(1 << 18)|(0 << 17)|(0 << 16)| + (2 << 14)|(0 << 13)|(0 << 12)| + (0 << 11)|(0 << 10)|(0 << 9)|(0 << 8)| + (0 << 3) |(0 << 1) |(0 << 0), + /* DRAM Config High Register + * F2:0x94 + * [ 0: 3] Maximum Asynchronous Latency + * 0000 = 0 ns + * ... + * 1111 = 15 ns + * [ 7: 4] Reserved + * [11: 8] Read Preamble + * 0000 = 2.0 ns + * 0001 = 2.5 ns + * 0010 = 3.0 ns + * 0011 = 3.5 ns + * 0100 = 4.0 ns + * 0101 = 4.5 ns + * 0110 = 5.0 ns + * 0111 = 5.5 ns + * 1000 = 6.0 ns + * 1001 = 6.5 ns + * 1010 = 7.0 ns + * 1011 = 7.5 ns + * 1100 = 8.0 ns + * 1101 = 8.5 ns + * 1110 = 9.0 ns + * 1111 = 9.5 ns + * [15:12] Reserved + * [18:16] Idle Cycle Limit + * 000 = 0 cycles + * 001 = 4 cycles + * 010 = 8 cycles + * 011 = 16 cycles + * 100 = 32 cycles + * 101 = 64 cycles + * 110 = 128 cycles + * 111 = 256 cycles + * [19:19] Dynamic Idle Cycle Center Enable + * 0 = Use Idle Cycle Limit + * 1 = Generate a dynamic Idle cycle limit + * [22:20] DRAM MEMCLK Frequency + * 000 = 100Mhz + * 001 = reserved + * 010 = 133Mhz + * 011 = reserved + * 100 = reserved + * 101 = 166Mhz + * 110 = reserved + * 111 = reserved + * [24:23] Reserved + * [25:25] Memory Clock Ratio Valid (FIXME carefully enable memclk) + * 0 = Disable MemClks + * 1 = Enable MemClks + * [26:26] Memory Clock 0 Enable + * 0 = Disabled + * 1 = Enabled + * [27:27] Memory Clock 1 Enable + * 0 = Disabled + * 1 = Enabled + * [28:28] Memory Clock 2 Enable + * 0 = Disabled + * 1 = Enabled + * [29:29] Memory Clock 3 Enable + * 0 = Disabled + * 1 = Enabled + * [31:30] Reserved + */ + 0xC294, 0xc180f0f0, 0x0e2b0a05, + /* DRAM Delay Line Register + * F2:0x98 + * Adjust the skew of the input DQS strobe relative to DATA + * [15: 0] Reserved + * [23:16] Delay Line Adjust + * Adjusts the DLL derived PDL delay by one or more delay stages + * in either the faster or slower direction. + * [24:24} Adjust Slower + * 0 = Do Nothing + * 1 = Adj is used to increase the PDL delay + * [25:25] Adjust Faster + * 0 = Do Nothing + * 1 = Adj is used to decrease the PDL delay + * [31:26] Reserved + */ + 0xC298, 0xfc00ffff, 0x00000000, + /* DRAM Scrub Control Register + * F3:0x58 + * [ 4: 0] DRAM Scrube Rate + * [ 7: 5] reserved + * [12: 8] L2 Scrub Rate + * [15:13] reserved + * [20:16] Dcache Scrub + * [31:21] reserved + * Scrub Rates + * 00000 = Do not scrub + * 00001 = 40.00 ns + * 00010 = 80.00 ns + * 00011 = 160.00 ns + * 00100 = 320.00 ns + * 00101 = 640.00 ns + * 00110 = 1.28 us + * 00111 = 2.56 us + * 01000 = 5.12 us + * 01001 = 10.20 us + * 01011 = 41.00 us + * 01100 = 81.90 us + * 01101 = 163.80 us + * 01110 = 327.70 us + * 01111 = 655.40 us + * 10000 = 1.31 ms + * 10001 = 2.62 ms + * 10010 = 5.24 ms + * 10011 = 10.49 ms + * 10100 = 20.97 ms + * 10101 = 42.00 ms + * 10110 = 84.00 ms + * All Others = Reserved + */ + 0xC358, 0xffe0e0e0, 0x00000000, + /* DRAM Scrub Address Low Register + * F3:0x5C + * [ 0: 0] DRAM Scrubber Redirect Enable + * 0 = Do nothing + * 1 = Scrubber Corrects errors found in normal operation + * [ 5: 1] Reserved + * [31: 6] DRAM Scrub Address 31-6 + */ + 0xC35C, 0x0000003e, 0x00000000, + /* DRAM Scrub Address High Register + * F3:0x60 + * [ 7: 0] DRAM Scrubb Address 39-32 + * [31: 8] Reserved + */ + 0xC360, 0xffffff00, 0x00000000, + }; + int i; + int max; + print_debug("setting up northbridge registers\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 = pcibios_read_config_dword( + 0, register_values[i] >> 8, register_values[i] & 0xff); + 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); + } + print_debug("setting up northbridge registers done. hurray!\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) +#define DCL_QFC_EN (1<<2) +#define DCL_DisDqsHys (1<<3) +#define DCL_DramInit (1<<8) +#define DCL_DramEnable (1<<10) +#define DCL_MemClrStatus (1<<11) +#define DCL_DimmEcEn (1<<17) + +static void sdram_set_spd_registers(void) +{ + unsigned long dcl; + dcl = pcibios_read_config_dword(0, PCI_DEVFN(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); +} + +#define TIMEOUT_LOOPS 300000 +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); + 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); + 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); + + print_debug("Initializing memory: "); + int loops = 0; + do { + dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW); + loops += 1; + if ((loops & 1023) == 0) { + print_debug(" "); + print_debug_hex32(loops); + } + } while(((dcl & DCL_DramInit) != 0) && (loops < TIMEOUT_LOOPS)); + if (loops >= TIMEOUT_LOOPS) { + print_debug(" failed\r\n"); + } else { + print_debug(" done\r\n"); + } + +#if 0 + print_debug("Clearing memory: "); + loops = 0; + do { + dcl = pcibios_read_config_dword(0, PCI_DEVFN(0x18, 2), DRAM_CONFIG_LOW); + loops += 1; + if ((loops & 1023) == 0) { + print_debug(" "); + print_debug_hex32(loops); + } + } while(((dcl & DCL_MemClrStatus) == 0) && (loops < TIMEOUT_LOOPS)); + if (loops >= TIMEOUT_LOOPS) { + print_debug("failed\r\n"); + } else { + print_debug("done\r\n"); + } +#endif +} + +static void sdram_first_normal_reference(void) {} +static void sdram_enable_refresh(void) {} +static void sdram_special_finishup(void) {} + +static int sdram_enabled(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."); + } + return enabled; +} + + +#include "sdram/generic_sdram.c" + +static void main(void) +{ + uart_init(); + console_init(); + if (!sdram_enabled()) { + sdram_initialize(); +#if 0 + ram_fill( 0x00100000, 0x00180000); + ram_verify(0x00100000, 0x00180000); +#endif +#if 1 + ram_fill( 0x00000000, 0x00001000); + ram_verify(0x00000000, 0x00001000); +#endif + } +} diff --git a/src/mainboard/amd/solo/cmos.layout b/src/mainboard/amd/solo/cmos.layout new file mode 100644 index 0000000000..5ba4c032c1 --- /dev/null +++ b/src/mainboard/amd/solo/cmos.layout @@ -0,0 +1,74 @@ +entries + +#start-bit length config config-ID name +#0 8 r 0 seconds +#8 8 r 0 alarm_seconds +#16 8 r 0 minutes +#24 8 r 0 alarm_minutes +#32 8 r 0 hours +#40 8 r 0 alarm_hours +#48 8 r 0 day_of_week +#56 8 r 0 day_of_month +#64 8 r 0 month +#72 8 r 0 year +#80 4 r 0 rate_select +#84 3 r 0 REF_Clock +#87 1 r 0 UIP +#88 1 r 0 auto_switch_DST +#89 1 r 0 24_hour_mode +#90 1 r 0 binary_values_enable +#91 1 r 0 square-wave_out_enable +#92 1 r 0 update_finished_enable +#93 1 r 0 alarm_interrupt_enable +#94 1 r 0 periodic_interrupt_enable +#95 1 r 0 disable_clock_updates +#96 288 r 0 temporary_filler +0 384 r 0 reserved_memory +384 1 e 4 boot_option +385 1 e 4 last_boot +386 1 e 1 ECC_memory +388 4 r 0 reboot_bits +392 3 e 5 baud_rate +400 1 e 1 power_on_after_fail +412 4 e 6 debug_level +416 4 e 7 boot_first +420 4 e 7 boot_second +424 4 e 7 boot_third +428 4 h 0 boot_index +432 8 h 0 boot_countdown +1008 16 h 0 check_sum + +enumerations + +#ID value text +1 0 Disable +1 1 Enable +2 0 Enable +2 1 Disable +4 0 Fallback +4 1 Normal +5 0 115200 +5 1 57600 +5 2 38400 +5 3 19200 +5 4 9600 +5 5 4800 +5 6 2400 +5 7 1200 +6 6 Notice +6 7 Info +6 8 Debug +6 9 Spew +7 0 Network +7 1 HDD +7 2 Floppy +7 8 Fallback_Network +7 9 Fallback_HDD +7 10 Fallback_Floppy +#7 3 ROM + +checksums + +checksum 392 1007 1008 + + diff --git a/src/mainboard/amd/solo/mainboard.c b/src/mainboard/amd/solo/mainboard.c new file mode 100644 index 0000000000..b8b8d6c3f2 --- /dev/null +++ b/src/mainboard/amd/solo/mainboard.c @@ -0,0 +1,25 @@ +#if 0 +#include <printk.h> +#endif + +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 +} |