Patch set updated for coreboot: southbridge/amd/sb900: Add southbridge sb900 (hudson) non-AGESA
Timothy Pearson (tpearson@raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13711
-gerrit
commit 4f1dc5c1df25cff475f0f95ee39b7c4c3aa3dce7 Author: Damien Zammit damien@zamaudio.com Date: Wed Feb 10 14:03:52 2016 +1100
southbridge/amd/sb900: Add southbridge sb900 (hudson) non-AGESA
Change-Id: I9bcb926d55a00993ba4d0a3c45541dbd883bbae1 Signed-off-by: Damien Zammit damien@zamaudio.com --- src/southbridge/amd/sb900/Kconfig | 32 ++ src/southbridge/amd/sb900/Makefile.inc | 25 ++ src/southbridge/amd/sb900/acpi/audio.asl | 52 +++ src/southbridge/amd/sb900/acpi/fch.asl | 203 +++++++++++ src/southbridge/amd/sb900/acpi/lpc.asl | 104 ++++++ src/southbridge/amd/sb900/acpi/pci_int.asl | 469 +++++++++++++++++++++++++ src/southbridge/amd/sb900/acpi/pcie.asl | 91 +++++ src/southbridge/amd/sb900/acpi/sleepstates.asl | 36 ++ src/southbridge/amd/sb900/acpi/smbus.asl | 16 + src/southbridge/amd/sb900/acpi/usb.asl | 73 ++++ src/southbridge/amd/sb900/amd_pci_int_defs.h | 73 ++++ src/southbridge/amd/sb900/amd_pci_int_types.h | 30 ++ src/southbridge/amd/sb900/bootblock.c | 64 ++++ src/southbridge/amd/sb900/chip.h | 24 ++ src/southbridge/amd/sb900/early_setup.c | 122 +++++++ src/southbridge/amd/sb900/enable_usbdebug.c | 59 ++++ src/southbridge/amd/sb900/fadt.c | 209 +++++++++++ src/southbridge/amd/sb900/hda.c | 40 +++ src/southbridge/amd/sb900/ide.c | 38 ++ src/southbridge/amd/sb900/lpc.c | 346 ++++++++++++++++++ src/southbridge/amd/sb900/pci.c | 63 ++++ src/southbridge/amd/sb900/pci_devs.h | 114 ++++++ src/southbridge/amd/sb900/pcie.c | 56 +++ src/southbridge/amd/sb900/ramtop.c | 59 ++++ src/southbridge/amd/sb900/reset.c | 31 ++ src/southbridge/amd/sb900/sata.c | 41 +++ src/southbridge/amd/sb900/sb900.c | 181 ++++++++++ src/southbridge/amd/sb900/sb900.h | 87 +++++ src/southbridge/amd/sb900/sm.c | 114 ++++++ src/southbridge/amd/sb900/smbus.c | 246 +++++++++++++ src/southbridge/amd/sb900/smbus.h | 71 ++++ src/southbridge/amd/sb900/smi.c | 25 ++ src/southbridge/amd/sb900/smi.h | 65 ++++ src/southbridge/amd/sb900/smi_util.c | 79 +++++ src/southbridge/amd/sb900/smihandler.c | 134 +++++++ src/southbridge/amd/sb900/usb.c | 51 +++ 36 files changed, 3523 insertions(+)
diff --git a/src/southbridge/amd/sb900/Kconfig b/src/southbridge/amd/sb900/Kconfig new file mode 100644 index 0000000..3899a22 --- /dev/null +++ b/src/southbridge/amd/sb900/Kconfig @@ -0,0 +1,32 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2016 Damien Zammit damien@zamaudio.com +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## + +config SOUTHBRIDGE_AMD_SB900 + bool + select IOAPIC + select HAVE_USBDEBUG_OPTIONS + select HAVE_HARD_RESET + +if SOUTHBRIDGE_AMD_SB900 + +config BOOTBLOCK_SOUTHBRIDGE_INIT + string + default "southbridge/amd/sb900/bootblock.c" + +config EHCI_BAR + hex + default 0xfef00000 + +endif diff --git a/src/southbridge/amd/sb900/Makefile.inc b/src/southbridge/amd/sb900/Makefile.inc new file mode 100644 index 0000000..a9205a9 --- /dev/null +++ b/src/southbridge/amd/sb900/Makefile.inc @@ -0,0 +1,25 @@ +ifeq ($(CONFIG_SOUTHBRIDGE_AMD_SB900),y) + +ramstage-y += sb900.c +ramstage-y += usb.c +ramstage-y += lpc.c +ramstage-y += sm.c +ramstage-y += ide.c +ramstage-y += sata.c +ramstage-y += hda.c +#ramstage-y += pci.c +ramstage-y += pcie.c +ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c +ramstage-y += reset.c +ramstage-y += ramtop.c +ramstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c +ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c smi_util.c + +romstage-y += smbus.c +romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += enable_usbdebug.c +romstage-y += early_setup.c +romstage-y += ramtop.c + +smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c smi_util.c + +endif diff --git a/src/southbridge/amd/sb900/acpi/audio.asl b/src/southbridge/amd/sb900/acpi/audio.asl new file mode 100644 index 0000000..e35ae85 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/audio.asl @@ -0,0 +1,52 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +Device(AZHD) { /* 0:14.2 - HD Audio */ + Name(_ADR, 0x00140002) + OperationRegion(AZPD, PCI_Config, 0x00, 0x100) + Field(AZPD, AnyAcc, NoLock, Preserve) { + offset (0x42), + NSDI, 1, + NSDO, 1, + NSEN, 1, + offset (0x44), + IPCR, 4, + offset (0x54), + PWST, 2, + , 6, + PMEB, 1, + , 6, + PMST, 1, + offset (0x62), + MMCR, 1, + offset (0x64), + MMLA, 32, + offset (0x68), + MMHA, 32, + offset (0x6C), + MMDT, 16, + } + + Method (_INI, 0, NotSerialized) + { + If (LEqual (OSVR, 0x03)) + { + Store (Zero, NSEN) + Store (One, NSDO) + Store (One, NSDI) + } + } +} /* end AZHD */ diff --git a/src/southbridge/amd/sb900/acpi/fch.asl b/src/southbridge/amd/sb900/acpi/fch.asl new file mode 100644 index 0000000..d7cee4a --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/fch.asl @@ -0,0 +1,203 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* South Bridge */ +/* _SB.PCI0 */ + +/* Operating System Capabilities Method */ +Method(_OSC,4) +{ + // Create DWord-addressable fields from the Capabilities Buffer + CreateDWordField(Arg3,0,CDW1) + CreateDWordField(Arg3,4,CDW2) + CreateDWordField(Arg3,8,CDW3) + + /* Check for proper PCI/PCIe UUID */ + If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) + { + /* Let OS control everything */ + Return (Arg3) + } Else { + Or(CDW1,4,CDW1) // Unrecognized UUID + Return(Arg3) + } +} + +/* Describe the Southbridge devices */ + +/* 0:11.0 - SATA */ +Device(STCR) { + Name(_ADR, 0x00110000) + #include "acpi/sata.asl" +} /* end STCR */ + +/* 0:14.0 - SMBUS */ +Device(SBUS) { + Name(_ADR, 0x00140000) +} /* end SBUS */ + +#include "usb.asl" + +/* 0:14.2 - HD Audio */ +#include "audio.asl" + +/* 0:14.3 - LPC */ +#include "lpc.asl" + +/* 0:14.7 - SD Controller */ +Device(SDCN) { + Name(_ADR, 0x00140007) +} /* end SDCN */ + +#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE + +/* 0:14.4 - PCI slot 1, 2, 3 */ +Device(PIBR) { + Name(_ADR, 0x00140004) + Name(_PRW, Package() {0x18, 4}) + + Method(_PRT, 0) { + Return (PCIB) + } +} + +/* 0:14.6 - GEC Controller */ +Device(ACMD) { + Name(_ADR, 0x00140006) +} /* end Ac97modem */ +#endif + +Name(CRES, ResourceTemplate() { + /* Set the Bus number and Secondary Bus number for the PCI0 device + * The Secondary bus range for PCI0 lets the system + * know what bus values are allowed on the downstream + * side of this PCI bus if there is a PCI-PCI bridge. + * PCI busses can have 256 secondary busses which + * range from [0-0xFF] but they do not need to be + * sequential. + */ + WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, + 0x0000, /* address granularity */ + 0x0000, /* range minimum */ + 0x00FF, /* range maximum */ + 0x0000, /* translation */ + 0x0100, /* length */ + ,, PSB0) /* ResourceSourceIndex, ResourceSource, DescriptorName */ + + IO(Decode16, 0x0CF8, 0x0CF8, 1, 8) + + WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, + 0x0000, /* address granularity */ + 0x0000, /* range minimum */ + 0x0CF7, /* range maximum */ + 0x0000, /* translation */ + 0x0CF8 /* length */ + ) + WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, + 0x0000, /* address granularity */ + 0x03B0, /* range minimum */ + 0x03DF, /* range maximum */ + 0x0000, /* translation */ + 0x0030 /* length */ + ) + + WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, + 0x0000, /* address granularity */ + 0x0D00, /* range minimum */ + 0xFFFF, /* range maximum */ + 0x0000, /* translation */ + 0xF300 /* length */ + ) + + Memory32Fixed(READONLY, 0x000A0000, 0x00020000, VGAM) /* VGA memory space */ + Memory32Fixed(READONLY, 0x000C0000, 0x00020000, EMM1) /* Assume C0000-E0000 empty */ + + /* memory space for PCI BARs below 4GB */ + Memory32Fixed(ReadOnly, 0x00000000, 0x00000000, MMIO) +}) /* End Name(_SB.PCI0.CRES) */ + +Method(_CRS, 0) { + /* DBGO("\_SB\PCI0\_CRS\n") */ + CreateDWordField(CRES, ^MMIO._BAS, MM1B) + CreateDWordField(CRES, ^MMIO._LEN, MM1L) + + /* + * Declare memory between TOM1 and 4GB as available + * for PCI MMIO. + * Use ShiftLeft to avoid 64bit constant (for XP). + * This will work even if the OS does 32bit arithmetic, as + * 32bit (0x00000000 - TOM1) will wrap and give the same + * result as 64bit (0x100000000 - TOM1). + */ + Store(TOM1, MM1B) + ShiftLeft(0x10000000, 4, Local0) + Subtract(Local0, TOM1, Local0) + Store(Local0, MM1L) + + Return(CRES) /* note to change the Name buffer */ +} /* end of Method(_SB.PCI0._CRS) */ + +/* + * + * FIRST METHOD CALLED UPON BOOT + * + * 1. If debugging, print current OS and ACPI interpreter. + * 2. Get PCI Interrupt routing from ACPI VSM, this + * value is based on user choice in BIOS setup. + */ +Method(_INI, 0) { + /* DBGO("\_SB\_INI\n") */ + /* DBGO(" DSDT.ASL code from ") */ + /* DBGO(__DATE__) */ + /* DBGO(" ") */ + /* DBGO(__TIME__) */ + /* DBGO("\n Sleep states supported: ") */ + /* DBGO("\n") */ + /* DBGO(" \_OS=") */ + /* DBGO(_OS) */ + /* DBGO("\n \_REV=") */ + /* DBGO(_REV) */ + /* DBGO("\n") */ + + /* Determine the OS we're running on */ + OSFL() + +#if defined(CONFIG_HUDSON_IMC_FWM) && CONFIG_HUDSON_IMC_FWM + #include "acpi/AmdImc.asl" /* Hudson IMC function */ + ITZE() /* enable IMC Fan Control*/ +#endif +} /* End Method(_SB._INI) */ + +Method(OSFL, 0){ + + if(LNotEqual(OSVR, Ones)) {Return(OSVR)} /* OS version was already detected */ + + if(CondRefOf(_OSI)) + { + Store(1, OSVR) /* Assume some form of XP */ + if (_OSI("Windows 2006")) /* Vista */ + { + Store(2, OSVR) + } + } else { + If(WCMP(_OS,"Linux")) { + Store(3, OSVR) /* Linux */ + } Else { + Store(4, OSVR) /* Gotta be WinCE */ + } + } + Return(OSVR) +} diff --git a/src/southbridge/amd/sb900/acpi/lpc.asl b/src/southbridge/amd/sb900/acpi/lpc.asl new file mode 100644 index 0000000..2044085 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/lpc.asl @@ -0,0 +1,104 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* 0:14.3 - LPC */ +Device(LIBR) { + Name(_ADR, 0x00140003) + /* Method(_INI) { + * DBGO("\_SB\PCI0\LpcIsaBr\_INI\n") + } */ /* End Method(_SB.SBRDG._INI) */ + + OperationRegion(CFG,PCI_Config,0x0,0x100) // Map PCI Configuration Space + Field(CFG,DWordAcc,NoLock,Preserve){ + Offset(0xA0), + BAR,32} // SPI Controller Base Address Register (Index 0xA0) + + Device(LDRC) // LPC device: Resource consumption + { + Name (_HID, EISAID("PNP0C02")) // ID for Motherboard resources + Name (CRS, ResourceTemplate () // Current Motherboard resources + { + Memory32Fixed(ReadWrite, // Setup for fixed resource location for SPI base address + 0x00000000, // Address Base + 0x00000000, // Address Length + BAR0 // Descriptor Name + ) + }) + + Method(_CRS,0,NotSerialized) + { + CreateDwordField(^CRS,^BAR0._BAS,SPIB) // Field to hold SPI base address + CreateDwordField(^CRS,^BAR0._LEN,SPIL) // Field to hold SPI address length + Store(BAR,SPIB) // SPI base address mapped + Store(0x1000,SPIL) // 4k space mapped + Return(CRS) + } + } + + /* Real Time Clock Device */ + Device(RTC0) { + Name(_HID, EISAID("PNP0B00")) /* AT Real Time Clock (not PIIX4 compatible) */ + Name(_CRS, ResourceTemplate() { + IRQNoFlags(){8} + IO(Decode16,0x0070, 0x0070, 0, 2) + }) + } /* End Device(_SB.PCI0.LpcIsaBr.RTC0) */ + + Device(TMR) { /* Timer */ + Name(_HID,EISAID("PNP0100")) /* System Timer */ + Name(_CRS, ResourceTemplate() { + IRQNoFlags(){0} + IO(Decode16, 0x0040, 0x0040, 0, 4) + }) + } /* End Device(_SB.PCI0.LpcIsaBr.TMR) */ + + Device(SPKR) { /* Speaker */ + Name(_HID,EISAID("PNP0800")) /* AT style speaker */ + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x0061, 0x0061, 0, 1) + }) + } /* End Device(_SB.PCI0.LpcIsaBr.SPKR) */ + + Device(PIC) { + Name(_HID,EISAID("PNP0000")) /* AT Interrupt Controller */ + Name(_CRS, ResourceTemplate() { + IRQNoFlags(){2} + IO(Decode16,0x0020, 0x0020, 0, 2) + IO(Decode16,0x00A0, 0x00A0, 0, 2) + }) + } /* End Device(_SB.PCI0.LpcIsaBr.PIC) */ + + Device(MAD) { /* 8257 DMA */ + Name(_HID,EISAID("PNP0200")) /* Hardware Device ID */ + Name(_CRS, ResourceTemplate() { + DMA(Compatibility,BusMaster,Transfer8){4} + IO(Decode16, 0x0000, 0x0000, 0x10, 0x10) + IO(Decode16, 0x0081, 0x0081, 0x01, 0x03) + IO(Decode16, 0x0087, 0x0087, 0x01, 0x01) + IO(Decode16, 0x0089, 0x0089, 0x01, 0x03) + IO(Decode16, 0x008F, 0x008F, 0x01, 0x01) + IO(Decode16, 0x00C0, 0x00C0, 0x10, 0x20) + }) /* End Name(_SB.PCI0.LpcIsaBr.MAD._CRS) */ + } /* End Device(_SB.PCI0.LpcIsaBr.MAD) */ + + Device(COPR) { + Name(_HID,EISAID("PNP0C04")) /* Math Coprocessor */ + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x00F0, 0x00F0, 0, 0x10) + IRQNoFlags(){13} + }) + } /* End Device(_SB.PCI0.LpcIsaBr.COPR) */ + #include "acpi/superio.asl" +} /* end LIBR */ diff --git a/src/southbridge/amd/sb900/acpi/pci_int.asl b/src/southbridge/amd/sb900/acpi/pci_int.asl new file mode 100644 index 0000000..52e9e28 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/pci_int.asl @@ -0,0 +1,469 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + + /* PCIe Configuration Space for CONFIG_MMCONF_BUS_NUMBER busses */ + OperationRegion(PCFG, SystemMemory, PCBA, PCLN) /* Each bus consumes 1MB */ + Field(PCFG, ByteAcc, NoLock, Preserve) { + /* Byte offsets are computed using the following technique: + * ((bus number + 1) * ((device number * 8) * 4096)) + register offset + * The 8 comes from 8 functions per device, and 4096 bytes per function config space + */ + Offset(0x00088024), /* Byte offset to SATA register 24h - Bus 0, Device 17, Function 0 */ + STB5, 32, + Offset(0x00098042), /* Byte offset to OHCI0 register 42h - Bus 0, Device 19, Function 0 */ + PT0D, 1, + PT1D, 1, + PT2D, 1, + PT3D, 1, + PT4D, 1, + PT5D, 1, + PT6D, 1, + PT7D, 1, + PT8D, 1, + PT9D, 1, + Offset(0x000A0004), /* Byte offset to SMBUS register 4h - Bus 0, Device 20, Function 0 */ + SBIE, 1, + SBME, 1, + Offset(0x000A0008), /* Byte offset to SMBUS register 8h - Bus 0, Device 20, Function 0 */ + SBRI, 8, + Offset(0x000A0014), /* Byte offset to SMBUS register 14h - Bus 0, Device 20, Function 0 */ + SBB1, 32, + Offset(0x000A0078), /* Byte offset to SMBUS register 78h - Bus 0, Device 20, Function 0 */ + ,14, + P92E, 1, /* Port92 decode enable */ + } + + OperationRegion(SB5, SystemMemory, STB5, 0x1000) + Field(SB5, AnyAcc, NoLock, Preserve){ + /* Port 0 */ + Offset(0x120), /* Port 0 Task file status */ + P0ER, 1, + , 2, + P0DQ, 1, + , 3, + P0BY, 1, + Offset(0x128), /* Port 0 Serial ATA status */ + P0DD, 4, + , 4, + P0IS, 4, + Offset(0x12C), /* Port 0 Serial ATA control */ + P0DI, 4, + Offset(0x130), /* Port 0 Serial ATA error */ + , 16, + P0PR, 1, + + /* Port 1 */ + offset(0x1A0), /* Port 1 Task file status */ + P1ER, 1, + , 2, + P1DQ, 1, + , 3, + P1BY, 1, + Offset(0x1A8), /* Port 1 Serial ATA status */ + P1DD, 4, + , 4, + P1IS, 4, + Offset(0x1AC), /* Port 1 Serial ATA control */ + P1DI, 4, + Offset(0x1B0), /* Port 1 Serial ATA error */ + , 16, + P1PR, 1, + + /* Port 2 */ + Offset(0x220), /* Port 2 Task file status */ + P2ER, 1, + , 2, + P2DQ, 1, + , 3, + P2BY, 1, + Offset(0x228), /* Port 2 Serial ATA status */ + P2DD, 4, + , 4, + P2IS, 4, + Offset(0x22C), /* Port 2 Serial ATA control */ + P2DI, 4, + Offset(0x230), /* Port 2 Serial ATA error */ + , 16, + P2PR, 1, + + /* Port 3 */ + Offset(0x2A0), /* Port 3 Task file status */ + P3ER, 1, + , 2, + P3DQ, 1, + , 3, + P3BY, 1, + Offset(0x2A8), /* Port 3 Serial ATA status */ + P3DD, 4, + , 4, + P3IS, 4, + Offset(0x2AC), /* Port 3 Serial ATA control */ + P3DI, 4, + Offset(0x2B0), /* Port 3 Serial ATA error */ + , 16, + P3PR, 1, + } + + Method(_PIC, 0x01, NotSerialized) + { + If (Arg0) + { + _SB.CIRQ() + } + Store(Arg0, PMOD) + } + + Method(CIRQ, 0x00, NotSerialized){ + } + + Name(IRQB, ResourceTemplate(){ + IRQ(Level,ActiveLow,Shared){15} + }) + + Name(IRQP, ResourceTemplate(){ + IRQ(Level,ActiveLow,Exclusive){3, 4, 5, 7, 10, 11, 12, 15} + }) + + Name(PITF, ResourceTemplate(){ + IRQ(Level,ActiveLow,Exclusive){9} + }) + + Device(INTA) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 1) + + Method(_STA, 0) { + if (PIRA) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTA._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKA\_DIS\n") */ + } /* End Method(_SB.INTA._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKA\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTA._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKA\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRA, IRQN) + Return(IRQB) + } /* Method(_SB.INTA._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKA\_SRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRA) + } /* End Method(_SB.INTA._SRS) */ + } /* End Device(INTA) */ + + Device(INTB) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 2) + + Method(_STA, 0) { + if (PIRB) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTB._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKB\_DIS\n") */ + } /* End Method(_SB.INTB._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKB\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTB._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKB\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRB, IRQN) + Return(IRQB) + } /* Method(_SB.INTB._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKB\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRB) + } /* End Method(_SB.INTB._SRS) */ + } /* End Device(INTB) */ + + Device(INTC) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 3) + + Method(_STA, 0) { + if (PIRC) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTC._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKC\_DIS\n") */ + } /* End Method(_SB.INTC._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKC\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTC._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKC\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRC, IRQN) + Return(IRQB) + } /* Method(_SB.INTC._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKC\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRC) + } /* End Method(_SB.INTC._SRS) */ + } /* End Device(INTC) */ + + Device(INTD) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 4) + + Method(_STA, 0) { + if (PIRD) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTD._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKD\_DIS\n") */ + } /* End Method(_SB.INTD._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKD\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTD._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKD\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRD, IRQN) + Return(IRQB) + } /* Method(_SB.INTD._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKD\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRD) + } /* End Method(_SB.INTD._SRS) */ + } /* End Device(INTD) */ + + Device(INTE) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 5) + + Method(_STA, 0) { + if (PIRE) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTE._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKE\_DIS\n") */ + } /* End Method(_SB.INTE._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKE\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTE._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKE\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRE, IRQN) + Return(IRQB) + } /* Method(_SB.INTE._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKE\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRE) + } /* End Method(_SB.INTE._SRS) */ + } /* End Device(INTE) */ + + Device(INTF) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 6) + + Method(_STA, 0) { + if (PIRF) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTF._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKF\_DIS\n") */ + } /* End Method(_SB.INTF._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKF\_PRS\n") */ + Return(PITF) + } /* Method(_SB.INTF._PRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKF\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRF, IRQN) + Return(IRQB) + } /* Method(_SB.INTF._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKF\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRF) + } /* End Method(_SB.INTF._SRS) */ + } /* End Device(INTF) */ + + Device(INTG) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 7) + + Method(_STA, 0) { + if (PIRG) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTG._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKG\_DIS\n") */ + } /* End Method(_SB.INTG._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKG\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTG._CRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKG\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRG, IRQN) + Return(IRQB) + } /* Method(_SB.INTG._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKG\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRG) + } /* End Method(_SB.INTG._SRS) */ + } /* End Device(INTG) */ + + Device(INTH) { + Name(_HID, EISAID("PNP0C0F")) + Name(_UID, 8) + + Method(_STA, 0) { + if (PIRH) { + Return(0x0B) /* sata is invisible */ + } else { + Return(0x09) /* sata is disabled */ + } + } /* End Method(_SB.INTH._STA) */ + + Method(_DIS ,0) { + /* DBGO("\_SB\LNKH\_DIS\n") */ + } /* End Method(_SB.INTH._DIS) */ + + Method(_PRS ,0) { + /* DBGO("\_SB\LNKH\_PRS\n") */ + Return(IRQP) + } /* Method(_SB.INTH._CRS) */ + + Method(_CRS ,0) { + /* DBGO("\_SB\LNKH\_CRS\n") */ + CreateWordField(IRQB, 0x1, IRQN) + ShiftLeft(1, PIRH, IRQN) + Return(IRQB) + } /* Method(_SB.INTH._CRS) */ + + Method(_SRS, 1) { + /* DBGO("\_SB\LNKH\_CRS\n") */ + CreateWordField(ARG0, 1, IRQM) + + /* Use lowest available IRQ */ + FindSetRightBit(IRQM, Local0) + if (Local0) { + Decrement(Local0) + } + Store(Local0, PIRH) + } /* End Method(_SB.INTH._SRS) */ + } /* End Device(INTH) */ diff --git a/src/southbridge/amd/sb900/acpi/pcie.asl b/src/southbridge/amd/sb900/acpi/pcie.asl new file mode 100644 index 0000000..df299c1 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/pcie.asl @@ -0,0 +1,91 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + + /* PCI IRQ mapping registers, C00h-C01h. */ + OperationRegion(PRQM, SystemIO, 0x00000C00, 0x00000002) + Field(PRQM, ByteAcc, NoLock, Preserve) { + PRQI, 0x00000008, + PRQD, 0x00000008, /* Offset: 1h */ + } + IndexField(PRQI, PRQD, ByteAcc, NoLock, Preserve) { + PIRA, 0x00000008, /* Index 0 */ + PIRB, 0x00000008, /* Index 1 */ + PIRC, 0x00000008, /* Index 2 */ + PIRD, 0x00000008, /* Index 3 */ + PIRE, 0x00000008, /* Index 4 */ + PIRF, 0x00000008, /* Index 5 */ + PIRG, 0x00000008, /* Index 6 */ + PIRH, 0x00000008, /* Index 7 */ + } + + /* PCI Error control register */ + OperationRegion(PERC, SystemIO, 0x00000C14, 0x00000001) + Field(PERC, ByteAcc, NoLock, Preserve) { + SENS, 0x00000001, + PENS, 0x00000001, + SENE, 0x00000001, + PENE, 0x00000001, + } + + /* Client Management index/data registers */ + OperationRegion(CMT, SystemIO, 0x00000C50, 0x00000002) + Field(CMT, ByteAcc, NoLock, Preserve) { + CMTI, 8, + /* Client Management Data register */ + G64E, 1, + G64O, 1, + G32O, 2, + , 2, + GPSL, 2, + } + + /* GPM Port register */ + OperationRegion(GPT, SystemIO, 0x00000C52, 0x00000001) + Field(GPT, ByteAcc, NoLock, Preserve) { + GPB0,1, + GPB1,1, + GPB2,1, + GPB3,1, + GPB4,1, + GPB5,1, + GPB6,1, + GPB7,1, + } + + /* Flash ROM program enable register */ + OperationRegion(FRE, SystemIO, 0x00000C6F, 0x00000001) + Field(FRE, ByteAcc, NoLock, Preserve) { + , 0x00000006, + FLRE, 0x00000001, + } + + /* PM2 index/data registers */ + OperationRegion(PM2R, SystemIO, 0x00000CD0, 0x00000002) + Field(PM2R, ByteAcc, NoLock, Preserve) { + PM2I, 0x00000008, + PM2D, 0x00000008, + } + + /* Power Management I/O registers, TODO:PMIO is quite different in SB800. */ + OperationRegion(PIOR, SystemIO, 0x00000CD6, 0x00000002) + Field(PIOR, ByteAcc, NoLock, Preserve) { + PIOI, 0x00000008, + PIOD, 0x00000008, + } + + IndexField (PIOI, PIOD, ByteAcc, NoLock, Preserve) { + Offset(0xEE), + UPWS, 3, + } diff --git a/src/southbridge/amd/sb900/acpi/sleepstates.asl b/src/southbridge/amd/sb900/acpi/sleepstates.asl new file mode 100644 index 0000000..912c0df --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/sleepstates.asl @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* Supported sleep states: */ +Name(_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */ + +If (LAnd(SSFG, 0x01)) { + Name(_S1, Package () {0x01, 0x01, 0x00, 0x00} ) /* (S1) - sleeping w/CPU context */ +} +If (LAnd(SSFG, 0x02)) { + Name(_S2, Package () {0x02, 0x02, 0x00, 0x00} ) /* (S2) - "light" Suspend to RAM */ +} +If (LAnd(SSFG, 0x04)) { + Name(_S3, Package () {0x03, 0x03, 0x00, 0x00} ) /* (S3) - Suspend to RAM */ +} +If (LAnd(SSFG, 0x08)) { + Name(_S4, Package () {0x04, 0x04, 0x00, 0x00} ) /* (S4) - Suspend to Disk */ +} + +Name(_S5, Package () {0x05, 0x05, 0x00, 0x00} ) /* (S5) - Soft Off */ + +Name(_SB.CSPS ,0) /* Current Sleep State (S0, S1, S2, S3, S4, S5) */ +Name(CSMS, 0) /* Current System State */ diff --git a/src/southbridge/amd/sb900/acpi/smbus.asl b/src/southbridge/amd/sb900/acpi/smbus.asl new file mode 100644 index 0000000..f0b8983 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/smbus.asl @@ -0,0 +1,16 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* SMBus Support */ diff --git a/src/southbridge/amd/sb900/acpi/usb.asl b/src/southbridge/amd/sb900/acpi/usb.asl new file mode 100644 index 0000000..0794bf3 --- /dev/null +++ b/src/southbridge/amd/sb900/acpi/usb.asl @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* 0:12.0 - OHCI */ +Device(UOH1) { + Name(_ADR, 0x00120000) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH1 */ + +/* 0:12.2 - EHCI */ +Device(UOH2) { + Name(_ADR, 0x00120002) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH2 */ + +/* 0:13.0 - OHCI */ +Device(UOH3) { + Name(_ADR, 0x00130000) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH3 */ + +/* 0:13.2 - EHCI */ +Device(UOH4) { + Name(_ADR, 0x00130002) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH4 */ + +/* 0:16.0 - OHCI */ +Device(UOH5) { + Name(_ADR, 0x00160000) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH5 */ + +/* 0:16.2 - EHCI */ +Device(UOH6) { + Name(_ADR, 0x00160002) + Name(_PRW, Package() {0x0B, 3}) +} /* end UOH5 */ + +#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE +/* 0:14.5 - OHCI */ +Device(UEH1) { + Name(_ADR, 0x00140005) + Name(_PRW, Package() {0x0B, 3}) +} /* end UEH1 */ +#endif + +/* 0:10.0 - XHCI 0*/ +Device(XHC0) { + Name(_ADR, 0x00100000) + Name(_PRW, Package() {0x0B, 4}) +} /* end XHC0 */ + +#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE +/* 0:10.1 - XHCI 1*/ +Device(XHC1) { + Name(_ADR, 0x00100001) + Name(_PRW, Package() {0x0B, 4}) +} /* end XHC1 */ +#endif diff --git a/src/southbridge/amd/sb900/amd_pci_int_defs.h b/src/southbridge/amd/sb900/amd_pci_int_defs.h new file mode 100644 index 0000000..fd628c3 --- /dev/null +++ b/src/southbridge/amd/sb900/amd_pci_int_defs.h @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef AMD_PCI_INT_DEFS_H +#define AMD_PCI_INT_DEFS_H + +/* + * PIRQ and device routing - these define the index + * into the FCH PCI_INTR 0xC00/0xC01 interrupt + * routing table + */ +#define FCH_INT_TABLE_SIZE 0x54 + +#define PIRQ_NC 0x1F /* Not Used */ +#define PIRQ_A 0x00 /* INT A */ +#define PIRQ_B 0x01 /* INT B */ +#define PIRQ_C 0x02 /* INT C */ +#define PIRQ_D 0x03 /* INT D */ +#define PIRQ_E 0x04 /* INT E */ +#define PIRQ_F 0x05 /* INT F */ +#define PIRQ_G 0x06 /* INT G */ +#define PIRQ_H 0x07 /* INT H */ +#define PIRQ_MISC 0x08 /* Miscellaneous IRQ Settings - See FCH Spec */ +#define PIRQ_MISC0 0x09 /* Miscellaneous0 IRQ Settings */ +#define PIRQ_MISC1 0x0A /* Miscellaneous1 IRQ Settings */ +#define PIRQ_MISC2 0x0B /* Miscellaneous2 IRQ Settings */ +#define PIRQ_SIRQA 0x0C /* Serial IRQ INTA */ +#define PIRQ_SIRQB 0x0D /* Serial IRQ INTA */ +#define PIRQ_SIRQC 0x0E /* Serial IRQ INTA */ +#define PIRQ_SIRQD 0x0F /* Serial IRQ INTA */ +#define PIRQ_SCI 0x10 /* SCI IRQ */ +#define PIRQ_SMBUS 0x11 /* SMBUS 14h.0 */ +#define PIRQ_ASF 0x12 /* ASF */ +#define PIRQ_HDA 0x13 /* HDA 14h.2 */ +#define PIRQ_FC 0x14 /* FC */ +#define PIRQ_GEC 0x15 /* GEC */ +#define PIRQ_PMON 0x16 /* Performance Monitor */ +#define PIRQ_IMC0 0x20 /* IMC INT0 */ +#define PIRQ_IMC1 0x21 /* IMC INT1 */ +#define PIRQ_IMC2 0x22 /* IMC INT2 */ +#define PIRQ_IMC3 0x23 /* IMC INT3 */ +#define PIRQ_IMC4 0x24 /* IMC INT4 */ +#define PIRQ_IMC5 0x25 /* IMC INT5 */ +#define PIRQ_OHCI1 0x30 /* USB OHCI 12h.0 */ +#define PIRQ_EHCI1 0x31 /* USB EHCI 12h.2 */ +#define PIRQ_OHCI2 0x32 /* USB OHCI 13h.0 */ +#define PIRQ_EHCI2 0x33 /* USB EHCI 13h.2 */ +#define PIRQ_OHCI3 0x34 /* USB OHCI 16h.0 */ +#define PIRQ_EHCI3 0x35 /* USB EHCI 16h.2 */ +#define PIRQ_OHCI4 0x36 /* USB OHCI 14h.5 */ +#define PIRQ_IDE 0x40 /* IDE 14h.1 */ +#define PIRQ_SATA 0x41 /* SATA 11h.0 */ +#define PIRQ_SD 0x42 /* SD 14h.7 */ +#define PIRQ_GPP0 0x50 /* GPP INT 0 */ +#define PIRQ_GPP1 0x51 /* GPP INT 1 */ +#define PIRQ_GPP2 0x52 /* GPP INT 2 */ +#define PIRQ_GPP3 0x53 /* GPP INT 3 */ +#endif + +#endif /* AMD_PCI_INT_DEFS_H */ diff --git a/src/southbridge/amd/sb900/amd_pci_int_types.h b/src/southbridge/amd/sb900/amd_pci_int_types.h new file mode 100644 index 0000000..3d217fa --- /dev/null +++ b/src/southbridge/amd/sb900/amd_pci_int_types.h @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef AMD_PCI_INT_TYPES_H +#define AMD_PCI_INT_TYPES_H + +const char * intr_types[] = { + [0x00] = "INTA#\t", "INTB#\t", "INTC#\t", "INTD#\t", "INTE#\t", "INTF#\t", "INTG#\t", "INTH#\t", + [0x08] = "Misc\t", "Misc0\t", "Misc1\t", "Misc2\t", "Ser IRQ INTA", "Ser IRQ INTB", "Ser IRQ INTC", "Ser IRQ INTD", + [0x10] = "SCI\t", "SMBUS0\t", "ASF\t", "HDA\t", "SD\t\t", "GEC\t", "PerMon\t", + [0x20] = "IMC INT0\t", "IMC INT1\t", "IMC INT2\t", "IMC INT3\t", "IMC INT4\t", "IMC INT5\t", + [0x30] = "Dev18.0 INTA", "Dev18.2 INTB", "Dev19.0 INTA", "Dev19.2 INTB", "Dev22.0 INTA", "Dev22.2 INTB", "Dev20.5 INTC", + [0x40] = "IDE\t", "SATA\t", + [0x50] = "GPPInt0\t", "GPPInt1\t", "GPPInt2\t", "GPPInt3\t" +}; + +#endif /* AMD_PCI_INT_TYPES_H */ diff --git a/src/southbridge/amd/sb900/bootblock.c b/src/southbridge/amd/sb900/bootblock.c new file mode 100644 index 0000000..ee46443 --- /dev/null +++ b/src/southbridge/amd/sb900/bootblock.c @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <arch/io.h> +#include <device/pci_ids.h> + +/* + * Enable 4MB (LPC) ROM access at 0xFFC00000 - 0xFFFFFFFF. + * + * Hardware should enable LPC ROM by pin straps. This function does not + * handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations. + * + * The SB900 power-on default is to map 512K ROM space. + * + */ +static void sb900_enable_rom(void) +{ + u8 reg8; + pci_devfn_t dev; + + dev = PCI_DEV(0, 0x14, 3); + + /* Decode variable LPC ROM address ranges 1 and 2. */ + reg8 = pci_io_read_config8(dev, 0x48); + reg8 |= (1 << 3) | (1 << 4); + pci_io_write_config8(dev, 0x48, reg8); + + /* LPC ROM address range 1: */ + /* Enable LPC ROM range mirroring start at 0x000e(0000). */ + pci_io_write_config16(dev, 0x68, 0x000e); + /* Enable LPC ROM range mirroring end at 0x000f(ffff). */ + pci_io_write_config16(dev, 0x6a, 0x000f); + + /* LPC ROM address range 2: */ + /* + * Enable LPC ROM range start at: + * 0xfff8(0000): 512KB + * 0xfff0(0000): 1MB + * 0xffe0(0000): 2MB + * 0xffc0(0000): 4MB + */ + pci_io_write_config16(dev, 0x6c, 0x10000 - (CONFIG_COREBOOT_ROMSIZE_KB >> 6)); + /* Enable LPC ROM range end at 0xffff(ffff). */ + pci_io_write_config16(dev, 0x6e, 0xffff); +} + +static void bootblock_southbridge_init(void) +{ + sb900_enable_rom(); +} diff --git a/src/southbridge/amd/sb900/chip.h b/src/southbridge/amd/sb900/chip.h new file mode 100644 index 0000000..fad0d13 --- /dev/null +++ b/src/southbridge/amd/sb900/chip.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SB900_CHIP_H +#define SB900_CHIP_H + +struct southbridge_amd_sb900_config +{ + u8 sd_mode; +}; + +#endif diff --git a/src/southbridge/amd/sb900/early_setup.c b/src/southbridge/amd/sb900/early_setup.c new file mode 100644 index 0000000..655b79e --- /dev/null +++ b/src/southbridge/amd/sb900/early_setup.c @@ -0,0 +1,122 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _SB900_EARLY_SETUP_C_ +#define _SB900_EARLY_SETUP_C_ + +#include <stdint.h> +#include <arch/io.h> +#include <arch/acpi.h> +#include <console/console.h> +#include <reset.h> +#include <arch/cpu.h> +#include <cbmem.h> +#include "sb900.h" + +void sb900_pci_port80(void) +{ + u8 byte; + device_t dev; + + /* P2P Bridge */ + dev = PCI_DEV(0, 0x14, 4); + + /* Chip Control: Enable subtractive decoding */ + byte = pci_read_config8(dev, 0x40); + byte |= 1 << 5; + pci_write_config8(dev, 0x40, byte); + + /* Misc Control: Enable subtractive decoding if 0x40 bit 5 is set */ + byte = pci_read_config8(dev, 0x4B); + byte |= 1 << 7; + pci_write_config8(dev, 0x4B, byte); + + /* The same IO Base and IO Limit here is meaningful because we set the + * bridge to be subtractive. During early setup stage, we have to make + * sure that data can go through port 0x80. + */ + /* IO Base: 0xf000 */ + byte = pci_read_config8(dev, 0x1C); + byte |= 0xF << 4; + pci_write_config8(dev, 0x1C, byte); + + /* IO Limit: 0xf000 */ + byte = pci_read_config8(dev, 0x1D); + byte |= 0xF << 4; + pci_write_config8(dev, 0x1D, byte); + + /* PCI Command: Enable IO response */ + byte = pci_read_config8(dev, 0x04); + byte |= 1 << 0; + pci_write_config8(dev, 0x04, byte); + + /* LPC controller */ + dev = PCI_DEV(0, 0x14, 3); + + byte = pci_read_config8(dev, 0x4A); + byte &= ~(1 << 5); /* disable lpc port 80 */ + pci_write_config8(dev, 0x4A, byte); +} + +void sb900_lpc_port80(void) +{ + u8 byte; + device_t dev; + + /* Enable LPC controller */ + outb(0xEC, 0xCD6); + byte = inb(0xCD7); + byte |= 1; + outb(0xEC, 0xCD6); + outb(byte, 0xCD7); + + /* Enable port 80 LPC decode in pci function 3 configuration space. */ + dev = PCI_DEV(0, 0x14, 3); + byte = pci_read_config8(dev, 0x4a); + byte |= 1 << 5; /* enable port 80 */ + pci_write_config8(dev, 0x4a, byte); +} + +int s3_save_nvram_early(u32 dword, int size, int nvram_pos) +{ + int i; + printk(BIOS_DEBUG, "Writing %x of size %d to nvram pos: %d\n", dword, size, nvram_pos); + + for (i = 0; i<size; i++) { + outb(nvram_pos, BIOSRAM_INDEX); + outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA); + nvram_pos++; + } + + return nvram_pos; +} + +int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos) +{ + u32 data = *old_dword; + int i; + for (i = 0; i<size; i++) { + outb(nvram_pos, BIOSRAM_INDEX); + data &= ~(0xff << (i * 8)); + data |= inb(BIOSRAM_DATA) << (i *8); + nvram_pos++; + } + *old_dword = data; + printk(BIOS_DEBUG, "Loading %x of size %d to nvram pos:%d\n", *old_dword, size, + nvram_pos-size); + return nvram_pos; +} + +#endif diff --git a/src/southbridge/amd/sb900/enable_usbdebug.c b/src/southbridge/amd/sb900/enable_usbdebug.c new file mode 100644 index 0000000..ac66fcc --- /dev/null +++ b/src/southbridge/amd/sb900/enable_usbdebug.c @@ -0,0 +1,59 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +// Use simple device model for this file even in ramstage +#define __SIMPLE_DEVICE__ + +#include <stdint.h> +#include <arch/io.h> +#include <device/pci_ehci.h> +#include <device/pci_def.h> +#include "sb900.h" + +#define DEBUGPORT_MISC_CONTROL 0x80 + +pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx) +{ + if (hcd_idx==3) + return PCI_DEV(0, 0x16, 2); + else if (hcd_idx==2) + return PCI_DEV(0, 0x13, 2); + else + return PCI_DEV(0, 0x12, 2); +} + +void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port) +{ + u8 *base_regs = pci_ehci_base_regs(dev); + u32 reg32; + + /* Write the port number to DEBUGPORT_MISC_CONTROL[31:28]. */ + reg32 = read32(base_regs + DEBUGPORT_MISC_CONTROL); + reg32 &= ~(0xf << 28); + reg32 |= (port << 28); + reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */ + write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32); +} + + +void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base) +{ + /* Enable all of the USB controllers */ + outb(0xEF, PM_INDEX); + outb(0x7F, PM_DATA); + + pci_write_config32(dev, EHCI_BAR_INDEX, base); + pci_write_config8(dev, PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); +} diff --git a/src/southbridge/amd/sb900/fadt.c b/src/southbridge/amd/sb900/fadt.c new file mode 100644 index 0000000..2a37468 --- /dev/null +++ b/src/southbridge/amd/sb900/fadt.c @@ -0,0 +1,209 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * ACPI - create the Fixed ACPI Description Tables (FADT) + */ + +#include <string.h> +#include <console/console.h> +#include <arch/acpi.h> +#include <arch/io.h> +#include <device/device.h> +#include "sb900.h" +#include "smi.h" + +#define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042) + +/* + * Reference section 5.2.9 Fixed ACPI Description Table (FADT) + * in the ACPI 3.0b specification. + */ +void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt) +{ + acpi_header_t *header = &(fadt->header); + + printk(BIOS_DEBUG, "pm_base: 0x%04x\n", SB900_ACPI_IO_BASE); + + /* Prepare the header */ + memset((void *)fadt, 0, sizeof(acpi_fadt_t)); + memcpy(header->signature, "FACP", 4); + header->length = sizeof(acpi_fadt_t); + header->revision = ACPI_FADT_REV_ACPI_3_0; + memcpy(header->oem_id, OEM_ID, 6); + memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->asl_compiler_id, ASLC, 4); + header->asl_compiler_revision = 0; + + if ((uintptr_t)facs > 0xffffffff) + printk(BIOS_DEBUG, "ACPI: FACS lives above 4G\n"); + else + fadt->firmware_ctrl = (uintptr_t)facs; + + if ((uintptr_t)dsdt > 0xffffffff) + printk(BIOS_DEBUG, "ACPI: DSDT lives above 4G\n"); + else + fadt->dsdt = (uintptr_t)dsdt; + + fadt->model = 0; /* reserved, should be 0 ACPI 3.0 */ + fadt->preferred_pm_profile = PM_UNSPECIFIED; + fadt->sci_int = 9; /* SB900 - IRQ 09 – ACPI SCI */ + + if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) { + fadt->smi_cmd = ACPI_SMI_CTL_PORT; + fadt->acpi_enable = ACPI_SMI_CMD_ENABLE; + fadt->acpi_disable = ACPI_SMI_CMD_DISABLE; + fadt->s4bios_req = 0; /* Not supported */ + fadt->pstate_cnt = 0; /* Not supported */ + fadt->cst_cnt = 0; /* Not supported */ + outl(0x0, ACPI_PM1_CNT_BLK); /* clear SCI_EN */ + } else { + fadt->smi_cmd = 0; /* disable system management mode */ + fadt->acpi_enable = 0; /* unused if SMI_CMD = 0 */ + fadt->acpi_disable = 0; /* unused if SMI_CMD = 0 */ + fadt->s4bios_req = 0; /* unused if SMI_CMD = 0 */ + fadt->pstate_cnt = 0; /* unused if SMI_CMD = 0 */ + fadt->cst_cnt = 0x00; /* unused if SMI_CMD = 0 */ + outl(0x1, ACPI_PM1_CNT_BLK); /* set SCI_EN */ + } + + fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; + fadt->pm1b_evt_blk = 0x0000; + fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; + fadt->pm1b_cnt_blk = 0x0000; + fadt->pm2_cnt_blk = 0x0000; + fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; + fadt->gpe0_blk = ACPI_GPE0_BLK; + fadt->gpe1_blk = 0x0000; /* No gpe1 block in sb900 */ + + fadt->pm1_evt_len = 4; /* 32 bits */ + fadt->pm1_cnt_len = 2; /* 16 bits */ + fadt->pm2_cnt_len = 0; + fadt->pm_tmr_len = 4; /* 32 bits */ + fadt->gpe0_blk_len = 8; /* 64 bits */ + fadt->gpe1_blk_len = 0; + fadt->gpe1_base = 0; + + fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; + fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; + fadt->flush_size = 0; /* set to 0 if WBINVD is 1 in flags */ + fadt->flush_stride = 0; /* set to 0 if WBINVD is 1 in flags */ + fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */ + fadt->duty_width = 3; /* CLK_VAL bits 3:1 */ + fadt->day_alrm = 0; /* 0x7d these have to be */ + fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */ + fadt->century = 0; /* 0x7f to make rtc alarm work */ + fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */ + fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */ + fadt->flags = ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ + ACPI_FADT_C1_SUPPORTED | + ACPI_FADT_SLEEP_BUTTON | + ACPI_FADT_S4_RTC_WAKE | + ACPI_FADT_32BIT_TIMER | + ACPI_FADT_RESET_REGISTER | + ACPI_FADT_PCI_EXPRESS_WAKE | + ACPI_FADT_PLATFORM_CLOCK | + ACPI_FADT_S4_RTC_VALID | + ACPI_FADT_REMOTE_POWER_ON; + + /* Format is from 5.2.3.1: Generic Address Structure */ + /* reset_reg: see section 4.7.3.6 ACPI 3.0a spec */ + /* 8 bit write of value 0x06 to 0xCF9 in IO space */ + fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->reset_reg.bit_width = 8; + fadt->reset_reg.bit_offset = 0; + fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; + fadt->reset_reg.addrl = 0xcf9; + fadt->reset_reg.addrh = 0x0; + + fadt->reset_value = 6; + + fadt->res3 = 0; /* reserved, MUST be 0 ACPI 3.0 */ + fadt->res4 = 0; /* reserved, MUST be 0 ACPI 3.0 */ + fadt->res5 = 0; /* reserved, MUST be 0 ACPI 3.0 */ + + + fadt->x_firmware_ctl_l = ((uintptr_t)facs) & 0xffffffff; + fadt->x_firmware_ctl_h = ((uint64_t)(uintptr_t)facs) >> 32; + fadt->x_dsdt_l = ((uintptr_t)dsdt) & 0xffffffff; + fadt->x_dsdt_h = ((uint64_t)(uintptr_t)dsdt) >> 32; + + fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1a_evt_blk.bit_width = 32; + fadt->x_pm1a_evt_blk.bit_offset = 0; + fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; + fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK; + fadt->x_pm1a_evt_blk.addrh = 0x0; + + fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1b_evt_blk.bit_width = 0; + fadt->x_pm1b_evt_blk.bit_offset = 0; + fadt->x_pm1b_evt_blk.access_size = 0; + fadt->x_pm1b_evt_blk.addrl = 0x0; + fadt->x_pm1b_evt_blk.addrh = 0x0; + + + fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1a_cnt_blk.bit_width = 16; + fadt->x_pm1a_cnt_blk.bit_offset = 0; + fadt->x_pm1a_cnt_blk.access_size = 0; + fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK; + fadt->x_pm1a_cnt_blk.addrh = 0x0; + + fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1b_cnt_blk.bit_width = 0; + fadt->x_pm1b_cnt_blk.bit_offset = 0; + fadt->x_pm1b_cnt_blk.access_size = 0; + fadt->x_pm1b_cnt_blk.addrl = 0x0; + fadt->x_pm1b_cnt_blk.addrh = 0x0; + + /* + * Note: Under this current AMD C state implementation, this is no longer + * used and should not be reported to OS. + */ + fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm2_cnt_blk.bit_width = 0; + fadt->x_pm2_cnt_blk.bit_offset = 0; + fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; + fadt->x_pm2_cnt_blk.addrl = 0; + fadt->x_pm2_cnt_blk.addrh = 0x0; + + + fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm_tmr_blk.bit_width = 32; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_pm_tmr_blk.addrl = ACPI_PM_TMR_BLK; + fadt->x_pm_tmr_blk.addrh = 0x0; + + + fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_gpe0_blk.bit_width = 64; /* EventStatus + Event Enable */ + fadt->x_gpe0_blk.bit_offset = 0; + fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_gpe0_blk.addrl = ACPI_GPE0_BLK; + fadt->x_gpe0_blk.addrh = 0x0; + + + fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_gpe1_blk.bit_width = 0; + fadt->x_gpe1_blk.bit_offset = 0; + fadt->x_gpe1_blk.access_size = 0; + fadt->x_gpe1_blk.addrl = 0; + fadt->x_gpe1_blk.addrh = 0x0; + + header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t)); +} diff --git a/src/southbridge/amd/sb900/hda.c b/src/southbridge/amd/sb900/hda.c new file mode 100644 index 0000000..8b29580 --- /dev/null +++ b/src/southbridge/amd/sb900/hda.c @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include <delay.h> +#include "sb900.h" + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static struct device_operations hda_audio_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver hdaaudio_driver __pci_driver = { + .ops = &hda_audio_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_HDA, +}; diff --git a/src/southbridge/amd/sb900/ide.c b/src/southbridge/amd/sb900/ide.c new file mode 100644 index 0000000..144938c --- /dev/null +++ b/src/southbridge/amd/sb900/ide.c @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "sb900.h" + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static struct device_operations ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_IDE, +}; diff --git a/src/southbridge/amd/sb900/lpc.c b/src/southbridge/amd/sb900/lpc.c new file mode 100644 index 0000000..311b114 --- /dev/null +++ b/src/southbridge/amd/sb900/lpc.c @@ -0,0 +1,346 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pnp.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <device/pci_def.h> +#include <pc80/mc146818rtc.h> +#include <pc80/isa-dma.h> +#include <arch/io.h> +#include <arch/ioapic.h> +#include <arch/acpi.h> +#include <pc80/i8254.h> +#include <pc80/i8259.h> +#include "sb900.h" + +static void lpc_init(device_t dev) +{ + u8 byte; + u32 dword; + device_t sm_dev; + + /* Enable the LPC Controller */ + sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0)); + dword = pci_read_config32(sm_dev, 0x64); + dword |= 1 << 20; + pci_write_config32(sm_dev, 0x64, dword); + + /* Initialize isa dma */ + isa_dma_init(); + + /* Enable DMA transaction on the LPC bus */ + byte = pci_read_config8(dev, 0x40); + byte |= (1 << 2); + pci_write_config8(dev, 0x40, byte); + + /* Disable the timeout mechanism on LPC */ + byte = pci_read_config8(dev, 0x48); + byte &= ~(1 << 7); + pci_write_config8(dev, 0x48, byte); + + /* Disable LPC MSI Capability */ + byte = pci_read_config8(dev, 0x78); + byte &= ~(1 << 1); + byte &= ~(1 << 0); /* Keep the old way. i.e., when bus master/DMA cycle is going + on on LPC, it holds PCI grant, so no LPC slave cycle can + interrupt and visit LPC. */ + pci_write_config8(dev, 0x78, byte); + + /* bit0: Enable prefetch a cacheline (64 bytes) when Host reads code from SPI rom */ + /* bit3: Fix SPI_CS# timing issue when running at 66M. TODO:A12. */ + byte = pci_read_config8(dev, 0xBB); + byte |= 1 << 0 | 1 << 3; + pci_write_config8(dev, 0xBB, byte); + + cmos_check_update_date(); + + /* Initialize the real time clock. + * The 0 argument tells cmos_init not to + * update CMOS unless it is invalid. + * 1 tells cmos_init to always initialize the CMOS. + */ + cmos_init(0); + + /* Initialize i8259 pic */ + setup_i8259 (); + + /* Initialize i8254 timers */ + setup_i8254 (); +} + +static void sb900_lpc_read_resources(device_t dev) +{ + struct resource *res; + + /* Get the normal pci resources of this device */ + pci_dev_read_resources(dev); /* We got one for APIC, or one more for TRAP */ + + /* Add an extra subtractive resource for both memory and I/O. */ + res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0)); + res->base = 0; + res->size = 0x1000; + res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0)); + res->base = 0xff800000; + res->size = 0x00800000; /* 8 MB for flash */ + res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + /* Add a memory resource for the SPI BAR. */ + fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE); + + res = new_resource(dev, 3); /* IOAPIC */ + res->base = IO_APIC_ADDR; + res->size = 0x00001000; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + compact_resources(dev); +} + +static void sb900_lpc_set_resources(struct device *dev) +{ + struct resource *res; + + /* Special case. SPI Base Address. The SpiRomEnable should STAY set. */ + res = find_resource(dev, 2); + pci_write_config32(dev, SPIROM_BASE_ADDRESS_REGISTER, res->base | SPI_ROM_ENABLE); + + pci_dev_set_resources(dev); +} + +/** + * @brief Enable resources for children devices + * + * @param dev the device whose children's resources are to be enabled + * + */ +static void sb900_lpc_enable_childrens_resources(device_t dev) +{ + struct bus *link; + u32 reg, reg_x; + int var_num = 0; + u16 reg_var[3]; + u16 reg_size[1] = {512}; + u8 wiosize = pci_read_config8(dev, 0x74); + + /* Be bit relaxed, tolerate that LPC region might be bigger than resource we try to fit, + * do it like this for all regions < 16 bytes. If there is a resource > 16 bytes + * it must be 512 bytes to be able to allocate the fresh LPC window. + * + * AGESA likes to enable already one LPC region in wide port base 0x64-0x65, + * using DFLT_SIO_PME_BASE_ADDRESS, 512 bytes size + * The code tries to check if resource can fit into this region + */ + + reg = pci_read_config32(dev, 0x44); + reg_x = pci_read_config32(dev, 0x48); + + /* check if ranges are free and not use them if entry is just already taken */ + if (reg_x & (1 << 2)) + var_num = 1; + /* just in case check if someone did not manually set other ranges too */ + if (reg_x & (1 << 24)) + var_num = 2; + + if (reg_x & (1 << 25)) + var_num = 3; + + /* check AGESA region size */ + if (wiosize & (1 << 0)) + reg_size[0] = 16; + + reg_var[2] = pci_read_config16(dev, 0x90); + reg_var[1] = pci_read_config16(dev, 0x66); + reg_var[0] = pci_read_config16(dev, 0x64); + + for (link = dev->link_list; link; link = link->next) { + device_t child; + for (child = link->children; child; + child = child->sibling) { + if (child->enabled + && (child->path.type == DEVICE_PATH_PNP)) { + struct resource *res; + for (res = child->resource_list; res; res = res->next) { + u32 base, end; /* don't need long long */ + u32 rsize, set = 0, set_x = 0; + if (!(res->flags & IORESOURCE_IO)) + continue; + base = res->base; + end = resource_end(res); + /* find a resource size */ + printk(BIOS_DEBUG, "sb900 lpc decode:%s, base=0x%08x, end=0x%08x\n", + dev_path(child), base, end); + switch (base) { + case 0x60: /* KB */ + case 0x64: /* MS */ + set |= (1 << 29); + rsize = 1; + break; + case 0x3f8: /* COM1 */ + set |= (1 << 6); + rsize = 8; + break; + case 0x2f8: /* COM2 */ + set |= (1 << 7); + rsize = 8; + break; + case 0x378: /* Parallel 1 */ + set |= (1 << 0); + set |= (1 << 1); /* + 0x778 for ECP */ + rsize = 8; + break; + case 0x3f0: /* FD0 */ + set |= (1 << 26); + rsize = 8; + break; + case 0x220: /* 0x220 - 0x227 */ + set |= (1 << 8); + rsize = 8; + break; + case 0x228: /* 0x228 - 0x22f */ + set |= (1 << 9); + rsize = 8; + break; + case 0x238: /* 0x238 - 0x23f */ + set |= (1 << 10); + rsize = 8; + break; + case 0x300: /* 0x300 -0x301 */ + set |= (1 << 18); + rsize = 2; + break; + case 0x400: + set_x |= (1 << 16); + rsize = 0x40; + break; + case 0x480: + set_x |= (1 << 17); + rsize = 0x40; + break; + case 0x500: + set_x |= (1 << 18); + rsize = 0x40; + break; + case 0x580: + set_x |= (1 << 19); + rsize = 0x40; + break; + case 0x4700: + set_x |= (1 << 22); + rsize = 0xc; + break; + case 0xfd60: + set_x |= (1 << 23); + rsize = 16; + break; + default: + rsize = 0; + /* try AGESA allocated region in region 0 */ + if ((var_num > 0) && ((base >=reg_var[0]) && + ((base + res->size) <= (reg_var[0] + reg_size[0])))) + rsize = reg_size[0]; + } + /* check if region found and matches the enable */ + if (res->size <= rsize) { + reg |= set; + reg_x |= set_x; + /* check if we can fit resource in variable range */ + } else if ((var_num < 3) && + ((res->size <= 16) || (res->size == 512))) { + /* use variable ranges if pre-defined do not match */ + switch (var_num) { + case 0: + reg_x |= (1 << 2); + if (res->size <= 16) { + wiosize |= (1 << 0); + } + break; + case 1: + reg_x |= (1 << 24); + if (res->size <= 16) + wiosize |= (1 << 2); + break; + case 2: + reg_x |= (1 << 25); + if (res->size <= 16) + wiosize |= (1 << 3); + break; + } + reg_var[var_num++] = + base & 0xffff; + } else { + printk(BIOS_ERR, "cannot fit LPC decode region:%s, base=0x%08x, end=0x%08x\n", + dev_path(child), base, end); + } + } + } + } + } + pci_write_config32(dev, 0x44, reg); + pci_write_config32(dev, 0x48, reg_x); + /* Set WideIO for as many IOs found (fall through is on purpose) */ + switch (var_num) { + case 3: + pci_write_config16(dev, 0x90, reg_var[2]); + /* fall through */ + case 2: + pci_write_config16(dev, 0x66, reg_var[1]); + /* fall through */ + case 1: + pci_write_config16(dev, 0x64, reg_var[0]); + break; + } + pci_write_config8(dev, 0x74, wiosize); +} + +static void sb900_lpc_enable_resources(device_t dev) +{ + pci_dev_enable_resources(dev); + sb900_lpc_enable_childrens_resources(dev); +} + +unsigned long acpi_fill_mcfg(unsigned long current) +{ + /* Just a dummy */ + return current; +} + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static struct device_operations lpc_ops = { + .read_resources = sb900_lpc_read_resources, + .set_resources = sb900_lpc_set_resources, + .enable_resources = sb900_lpc_enable_resources, +#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) + .write_acpi_tables = acpi_write_hpet, +#endif + .init = lpc_init, + .scan_bus = scan_lpc_bus, + .ops_pci = &lops_pci, +}; +static const struct pci_driver lpc_driver __pci_driver = { + .ops = &lpc_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_LPC, +}; diff --git a/src/southbridge/amd/sb900/pci.c b/src/southbridge/amd/sb900/pci.c new file mode 100644 index 0000000..aff0e26 --- /dev/null +++ b/src/southbridge/amd/sb900/pci.c @@ -0,0 +1,63 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "sb900.h" +#include "southbridge/amd/common/amd_pci_util.h" +#include <bootstate.h> + +/* + * Update the PCI devices with a valid IRQ number + * that is set in the mainboard PCI_IRQ structures. + */ +static void set_pci_irqs(void *unused) +{ + /* Write PCI_INTR regs 0xC00/0xC01 */ + write_pci_int_table(); + + /* Write IRQs for all devicetree enabled devices */ + write_pci_cfg_irqs(); +} + +/* + * Hook this function into the PCI state machine + * on entry into BS_DEV_ENABLE. + */ +BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); + +static struct pci_operations lops_pci = { + .set_subsystem = 0, +}; + +static struct device_operations pci_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .init = DEVICE_NOOP, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pci_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_PCI, +}; diff --git a/src/southbridge/amd/sb900/pci_devs.h b/src/southbridge/amd/sb900/pci_devs.h new file mode 100644 index 0000000..88036c5 --- /dev/null +++ b/src/southbridge/amd/sb900/pci_devs.h @@ -0,0 +1,114 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _SB900_PCI_DEVS_H_ +#define _SB900_PCI_DEVS_H_ + +#define BUS0 0 + +/* XHCI */ +#define XHCI_DEV 0x10 +#define XHCI_FUNC 0 +#define XHCI_DEVID 0x7814 +#define XHCI_DEVFN PCI_DEVFN(XHCI_DEV,XHCI_FUNC) + +/* SATA */ +#define SATA_DEV 0x11 +#define SATA_FUNC 0 +#define SATA_IDE_DEVID 0x7800 +#define AHCI_DEVID_MS 0x7801 +#define AHCI_DEVID_AMD 0x7804 +#define SATA_DEVFN PCI_DEVFN(SATA_DEV,SATA_FUNC) + +/* OHCI */ +#define OHCI1_DEV 0x12 +#define OHCI1_FUNC 0 +#define OHCI2_DEV 0x13 +#define OHCI2_FUNC 0 +#define OHCI3_DEV 0x16 +#define OHCI3_FUNC 0 +#define OHCI4_DEV 0x14 +#define OHCI4_FUNC 5 +#define OHCI_DEVID 0x7807 +#define OHCI1_DEVFN PCI_DEVFN(OHCI1_DEV,OHCI1_FUNC) +#define OHCI2_DEVFN PCI_DEVFN(OHCI2_DEV,OHCI2_FUNC) +#define OHCI3_DEVFN PCI_DEVFN(OHCI3_DEV,OHCI3_FUNC) +#define OHCI4_DEVFN PCI_DEVFN(OHCI4_DEV,OHCI4_FUNC) + +/* EHCI */ +#define EHCI1_DEV 0x12 +#define EHCI1_FUNC 2 +#define EHCI2_DEV 0x13 +#define EHCI2_FUNC 2 +#define EHCI3_DEV 0x16 +#define EHCI3_FUNC 2 +#define EHCI_DEVID 0x7808 +#define EHCI1_DEVFN PCI_DEVFN(EHCI1_DEV,EHCI1_FUNC) +#define EHCI2_DEVFN PCI_DEVFN(EHCI2_DEV,EHCI2_FUNC) +#define EHCI3_DEVFN PCI_DEVFN(EHCI3_DEV,EHCI3_FUNC) + +/* SMBUS */ +#define SMBUS_DEV 0x14 +#define SMBUS_FUNC 0 +#define SMBUS_DEVID 0x780B +#define SMBUS_DEVFN PCI_DEVFN(SMBUS_DEV,SMBUS_FUNC) + +/* IDE */ +#define IDE_DEV 0x14 +#define IDE_FUNC 1 +# define IDE_DEVID 0x780C +# define IDE_DEVFN PCI_DEVFN(IDE_DEV,IDE_FUNC) + +/* HD Audio */ +#define HDA_DEV 0x14 +#define HDA_FUNC 2 +#define HDA_DEVID 0x780D +#define HDA_DEVFN PCI_DEVFN(HDA_DEV,HDA_FUNC) + +/* LPC BUS */ +#define PCU_DEV 0x14 +#define LPC_DEV PCU_DEV +#define LPC_FUNC 3 +#define LPC_DEVID 0x780E +#define LPC_DEVFN PCI_DEVFN(LPC_DEV,LPC_FUNC) + +/* PCI Ports */ +#define SB_PCI_PORT_DEV 0x14 +#define SB_PCI_PORT_FUNC 4 +# define SB_PCI_PORT_DEVID 0x780F +# define SB_PCI_PORT_DEVFN PCI_DEVFN(SB_PCI_PORT_DEV,SB_PCI_PORT_FUNC) + +/* SD Controller */ +#define SD_DEV 0x14 +#define SD_FUNC 7 +#define SD_DEVID 0x7806 +#define SD_DEVFN PCI_DEVFN(SD_DEV,SD_FUNC) + +/* PCIe Ports */ +#define SB_PCIE_DEV 0x15 +#define SB_PCIE_PORT1_FUNC 0 +#define SB_PCIE_PORT2_FUNC 1 +#define SB_PCIE_PORT3_FUNC 2 +#define SB_PCIE_PORT4_FUNC 3 +#define SB_PCIE_PORT1_DEVID 0x7820 +#define SB_PCIE_PORT2_DEVID 0x7821 +#define SB_PCIE_PORT3_DEVID 0x7822 +#define SB_PCIE_PORT4_DEVID 0x7823 +#define SB_PCIE_PORT1_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT1_FUNC) +#define SB_PCIE_PORT2_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT2_FUNC) +#define SB_PCIE_PORT3_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT3_FUNC) +#define SB_PCIE_PORT4_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT4_FUNC) + +#endif diff --git a/src/southbridge/amd/sb900/pcie.c b/src/southbridge/amd/sb900/pcie.c new file mode 100644 index 0000000..e090595 --- /dev/null +++ b/src/southbridge/amd/sb900/pcie.c @@ -0,0 +1,56 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "sb900.h" + +static struct pci_operations lops_pci = { + .set_subsystem = 0, +}; + +static struct device_operations pci_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pciea_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_PCIEA, +}; + +static const struct pci_driver pcieb_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_PCIEB, +}; +static const struct pci_driver pciec_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_PCIEC, +}; +static const struct pci_driver pcied_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_PCIED, +}; diff --git a/src/southbridge/amd/sb900/ramtop.c b/src/southbridge/amd/sb900/ramtop.c new file mode 100644 index 0000000..01fd9d8 --- /dev/null +++ b/src/southbridge/amd/sb900/ramtop.c @@ -0,0 +1,59 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <arch/io.h> +#include <arch/acpi.h> +#include <cbmem.h> +#include "sb900.h" + +int acpi_get_sleep_type(void) +{ + u16 tmp = inw(ACPI_PM1_CNT_BLK); + tmp = ((tmp & (7 << 10)) >> 10); + return (int)tmp; +} + +#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT) + +#ifndef __PRE_RAM__ +void backup_top_of_ram(uint64_t ramtop) +{ + u32 dword = (u32) ramtop; + int nvram_pos = 0xf8, i; /* temp */ + for (i = 0; i<4; i++) { + outb(nvram_pos, BIOSRAM_INDEX); + outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA); + nvram_pos++; + } +} +#endif + +unsigned long get_top_of_ram(void) +{ + uint32_t xdata = 0; + int xnvram_pos = 0xf8, xi; + if (acpi_get_sleep_type() != 3) + return 0; + for (xi = 0; xi<4; xi++) { + outb(xnvram_pos, BIOSRAM_INDEX); + xdata &= ~(0xff << (xi * 8)); + xdata |= inb(BIOSRAM_DATA) << (xi *8); + xnvram_pos++; + } + return (unsigned long) xdata; +} + +#endif diff --git a/src/southbridge/amd/sb900/reset.c b/src/southbridge/amd/sb900/reset.c new file mode 100644 index 0000000..200ec14 --- /dev/null +++ b/src/southbridge/amd/sb900/reset.c @@ -0,0 +1,31 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +// Use simple device model for this file even in ramstage +#define __SIMPLE_DEVICE__ + +#include <arch/io.h> +#include <reset.h> + +#include <northbridge/amd/amdk8/reset_test.c> + +void hard_reset(void) +{ + set_bios_reset(); + /* Try rebooting through port 0xcf9 */ + /* Actually it is not a real hard_reset --- it only reset coherent link table, but not reset link freq and width */ + outb((0 << 3) | (0 << 2) | (1 << 1), 0xcf9); + outb((0 << 3) | (1 << 2) | (1 << 1), 0xcf9); +} diff --git a/src/southbridge/amd/sb900/sata.c b/src/southbridge/amd/sb900/sata.c new file mode 100644 index 0000000..d65183b --- /dev/null +++ b/src/southbridge/amd/sb900/sata.c @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <delay.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include "sb900.h" + +static struct device_operations sata_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, +}; + +static const struct pci_driver sata0_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_SATA, +}; + +static const struct pci_driver sata0_driver_ahci __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_SATA_AHCI, +}; diff --git a/src/southbridge/amd/sb900/sb900.c b/src/southbridge/amd/sb900/sb900.c new file mode 100644 index 0000000..5a214f8 --- /dev/null +++ b/src/southbridge/amd/sb900/sb900.c @@ -0,0 +1,181 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> + +#include <arch/io.h> +#include <arch/acpi.h> + +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <cbmem.h> +#include "sb900.h" +#include "smbus.h" +#include "smi.h" + +#define PM_MMIO_BASE 0xfed80300 + +void pm_write8(u8 reg, u8 value) +{ + write8((void *)((uintptr_t)PM_MMIO_BASE + reg), value); +} + +u8 pm_read8(u8 reg) +{ + return read8((void *)((uintptr_t)PM_MMIO_BASE + reg)); +} + +void pm_write16(u8 reg, u16 value) +{ + write16((void *)((uintptr_t)PM_MMIO_BASE + reg), value); +} + +u16 pm_read16(u16 reg) +{ + return read16((void *)((uintptr_t)PM_MMIO_BASE + reg)); +} + +#define PM_REG_USB_ENABLE 0xef + +enum usb_enable { + USB_EN_DEVFN_12_0 = (1 << 0), + USB_EN_DEVFN_12_2 = (1 << 1), + USB_EN_DEVFN_13_0 = (1 << 2), + USB_EN_DEVFN_13_2 = (1 << 3), + USB_EN_DEVFN_16_0 = (1 << 4), + USB_EN_DEVFN_16_2 = (1 << 5), +}; + +static void sb900_disable_usb(u8 disable) +{ + u8 reg8; + + /* Bit 7 handles routing, 6 is reserved. we don't mess with those */ + disable &= 0x3f; + + reg8 = pm_read8(PM_REG_USB_ENABLE); + reg8 &= ~disable; + pm_write8(PM_REG_USB_ENABLE, reg8); +} + +void sb900_enable(device_t dev) +{ + printk(BIOS_DEBUG, "sb900_enable()\n"); + switch (dev->path.pci.devfn) { + case PCI_DEVFN(0x14, 5): + if (dev->enabled == 0) { + // read the VENDEV ID + device_t usb_dev = dev_find_slot( 0, PCI_DEVFN( 0x14, 5)); + u32 usb_device_id = pci_read_config32(usb_dev, 0) >> 16; + u8 reg8; + if (usb_device_id == PCI_DEVICE_ID_ATI_SB900_USB_20_5) { + /* turn off and remove device 0:14.5 from PCI space */ + reg8 = pm_read8(0xef); + reg8 &= ~(1 << 6); + pm_write8(0xef, reg8); + } + } + break; + + case PCI_DEVFN(0x14, 7): + if (dev->enabled == 0) { + // read the VENDEV ID + device_t sd_dev = dev_find_slot( 0, PCI_DEVFN( 0x14, 7)); + u32 sd_device_id = pci_read_config32( sd_dev, 0) >> 16; + /* turn off the SDHC controller in the PM reg */ + u8 reg8; + if (sd_device_id == PCI_DEVICE_ID_AMD_HUDSON_SD) { + reg8 = pm_read8(0xe7); + reg8 &= ~(1 << 0); + pm_write8(0xe7, reg8); + } + else if (sd_device_id == PCI_DEVICE_ID_AMD_YANGTZE_SD) { + reg8 = pm_read8(0xe8); + reg8 &= ~(1 << 0); + pm_write8(0xe8, reg8); + } + /* remove device 0:14.7 from PCI space */ + reg8 = pm_read8(0xd3); + reg8 &= ~(1 << 6); + pm_write8(0xd3, reg8); + } + break; + + /* Make sure to disable other functions if function 0 is disabled */ + case PCI_DEVFN(0x12, 0): + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_12_0); + case PCI_DEVFN(0x12, 2): /* Fall through */ + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_12_2); + break; + case PCI_DEVFN(0x13, 0): + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_13_0); + case PCI_DEVFN(0x13, 2): /* Fall through */ + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_13_2); + break; + case PCI_DEVFN(0x16, 0): + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_16_0); + case PCI_DEVFN(0x16, 2): /* Fall through */ + if (dev->enabled == 0) + sb900_disable_usb(USB_EN_DEVFN_16_2); + break; + default: + break; + } +} + +static void sb900_init_acpi_ports(void) +{ + /* We use some of these ports in SMM regardless of whether or not + * ACPI tables are generated. Enable these ports indiscriminately. + */ + + pm_write16(0x60, ACPI_PM_EVT_BLK); + pm_write16(0x62, ACPI_PM1_CNT_BLK); + pm_write16(0x64, ACPI_PM_TMR_BLK); + pm_write16(0x68, ACPI_GPE0_BLK); + /* CpuControl is in _PR.CP00, 6 bytes */ + pm_write16(0x66, ACPI_CPU_CONTROL); + + if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) { + pm_write16(0x6a, ACPI_SMI_CTL_PORT); + sb900_enable_acpi_cmd_smi(); + } else { + pm_write16(0x6a, 0); + } + + /* AcpiDecodeEnable, When set, SB uses the contents of the PM registers + * at index 60-6B to decode ACPI I/O address. AcpiSmiEn & SmiCmdEn + */ + pm_write8(0x74, 1<<0 | 1<<1 | 1<<4 | 1<<2); +} + +static void sb900_init(void *chip_info) +{ + sb900_init_acpi_ports(); +} + +struct chip_operations southbridge_amd_sb900_ops = { + CHIP_NAME("AMD SB900") + .enable_dev = sb900_enable, + .init = sb900_init, +}; diff --git a/src/southbridge/amd/sb900/sb900.h b/src/southbridge/amd/sb900/sb900.h new file mode 100644 index 0000000..53c00f5 --- /dev/null +++ b/src/southbridge/amd/sb900/sb900.h @@ -0,0 +1,87 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SB900_H +#define SB900_H + +#include <device/pci_ids.h> +#include <device/device.h> +#include "chip.h" + +/* Power management index/data registers */ +#define BIOSRAM_INDEX 0xcd4 +#define BIOSRAM_DATA 0xcd5 +#define PM_INDEX 0xcd6 +#define PM_DATA 0xcd7 +#define PM2_INDEX 0xcd0 +#define PM2_DATA 0xcd1 + +#define SB900_ACPI_IO_BASE 0x800 + +#define ACPI_PM_EVT_BLK (SB900_ACPI_IO_BASE + 0x00) /* 4 bytes */ +#define ACPI_PM1_CNT_BLK (SB900_ACPI_IO_BASE + 0x04) /* 2 bytes */ +#define ACPI_PM_TMR_BLK (SB900_ACPI_IO_BASE + 0x18) /* 4 bytes */ +#define ACPI_GPE0_BLK (SB900_ACPI_IO_BASE + 0x10) /* 8 bytes */ +#define ACPI_CPU_CONTROL (SB900_ACPI_IO_BASE + 0x08) /* 6 bytes */ + +#define ACPI_SMI_CTL_PORT 0xb2 +#define ACPI_SMI_CMD_CST_CONTROL 0xde +#define ACPI_SMI_CMD_PST_CONTROL 0xad +#define ACPI_SMI_CMD_DISABLE 0xbe +#define ACPI_SMI_CMD_ENABLE 0xef +#define ACPI_SMI_CMD_S4_REQ 0xc0 + +#define REV_SB900_A11 0x11 +#define REV_SB900_A12 0x12 + +#define SPIROM_BASE_ADDRESS_REGISTER 0xA0 +#define SPI_ROM_ENABLE 0x02 +#define SPI_BASE_ADDRESS 0xFEC10000 + +static inline int sb900_sata_enable(void) +{ + return 1; +} + +static inline int sb900_ide_enable(void) +{ + return 0; +} + +#ifndef __SMM__ + +void pm_write8(u8 reg, u8 value); +u8 pm_read8(u8 reg); +void pm_write16(u8 reg, u16 value); +u16 pm_read16(u16 reg); + +#ifdef __PRE_RAM__ +void sb900_lpc_port80(void); +void sb900_pci_port80(void); +void sb900_clk_output_48Mhz(void); + +int s3_save_nvram_early(u32 dword, int size, int nvram_pos); +int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos); + +#else +void sb900_enable(device_t dev); +void s3_resume_init_data(void *FchParams); + +#endif /* __PRE_RAM__ */ +#endif /* __SMM__ */ + +#endif /* SB900_H */ diff --git a/src/southbridge/amd/sb900/sm.c b/src/southbridge/amd/sb900/sm.c new file mode 100644 index 0000000..31cfd7b --- /dev/null +++ b/src/southbridge/amd/sb900/sm.c @@ -0,0 +1,114 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Damien Zammit damien@zamaudio.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <device/smbus.h> +#include <pc80/mc146818rtc.h> +#include <arch/io.h> +#include <cpu/x86/lapic.h> +#include <arch/ioapic.h> +#include <stdlib.h> +#include "sb900.h" +#include "smbus.c" + +static void sm_init(device_t dev) +{ + setup_ioapic(VIO_APIC_VADDR, CONFIG_MAX_CPUS); +} + +static int lsmbus_recv_byte(device_t dev) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_recv_byte(res->base, device); +} + +static int lsmbus_send_byte(device_t dev, u8 val) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_send_byte(res->base, device, val); +} + +static int lsmbus_read_byte(device_t dev, u8 address) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_read_byte(res->base, device, address); +} + +static int lsmbus_write_byte(device_t dev, u8 address, u8 val) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_write_byte(res->base, device, address, val); +} +static struct smbus_bus_operations lops_smbus_bus = { + .recv_byte = lsmbus_recv_byte, + .send_byte = lsmbus_send_byte, + .read_byte = lsmbus_read_byte, + .write_byte = lsmbus_write_byte, +}; + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; +static struct device_operations smbus_ops = { + .read_resources = DEVICE_NOOP, + .set_resources = DEVICE_NOOP, + .enable_resources = pci_dev_enable_resources, + .init = sm_init, + .scan_bus = scan_smbus, + .ops_pci = &lops_pci, + .ops_smbus_bus = &lops_smbus_bus, +}; +static const struct pci_driver smbus_driver __pci_driver = { + .ops = &smbus_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_SM, +}; diff --git a/src/southbridge/amd/sb900/smbus.c b/src/southbridge/amd/sb900/smbus.c new file mode 100644 index 0000000..fed5272 --- /dev/null +++ b/src/southbridge/amd/sb900/smbus.c @@ -0,0 +1,246 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _SB900_SMBUS_C_ +#define _SB900_SMBUS_C_ + +#include <io.h> +#include <stdint.h> +#include "smbus.h" + +static int smbus_wait_until_ready(u32 smbus_io_base) +{ + u32 loops; + loops = SMBUS_TIMEOUT; + do { + u8 val; + val = inb(smbus_io_base + SMBHSTSTAT); + val &= 0x1f; + if (val == 0) { /* ready now */ + return 0; + } + outb(val, smbus_io_base + SMBHSTSTAT); + } while (--loops); + return -2; /* time out */ +} + +static int smbus_wait_until_done(u32 smbus_io_base) +{ + u32 loops; + loops = SMBUS_TIMEOUT; + do { + u8 val; + + val = inb(smbus_io_base + SMBHSTSTAT); + val &= 0x1f; /* mask off reserved bits */ + if (val & 0x1c) { + return -5; /* error */ + } + if (val == 0x02) { + outb(val, smbus_io_base + SMBHSTSTAT); /* clear status */ + return 0; + } + } while (--loops); + return -3; /* timeout */ +} + +int do_smbus_recv_byte(u32 smbus_io_base, u32 device) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + return -2; /* not ready */ + } + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 2) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + /* read results of transaction */ + byte = inb(smbus_io_base + SMBHSTCMD); + + return byte; +} + +int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + return -2; /* not ready */ + } + + /* set the command... */ + outb(val, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 2) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + return 0; +} + +int do_smbus_read_byte(u32 smbus_io_base, u32 device, + u32 address) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + return -2; /* not ready */ + } + + /* set the command/address... */ + outb(address & 0xff, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 3) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + /* read results of transaction */ + byte = inb(smbus_io_base + SMBHSTDAT0); + + return byte; +} + +int do_smbus_write_byte(u32 smbus_io_base, u32 device, + u32 address, u8 val) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + return -2; /* not ready */ + } + + /* set the command/address... */ + outb(address & 0xff, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR); + + /* output value */ + outb(val, smbus_io_base + SMBHSTDAT0); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 3) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + return 0; +} + +void alink_ab_indx(u32 reg_space, u32 reg_addr, + u32 mask, u32 val) +{ + u32 tmp; + + outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX); + tmp = inl(AB_DATA); + /* rpr 4.2 + * For certain revisions of the chip, the ABCFG registers, + * with an address of 0x100NN (where 'N' is any hexadecimal + * number), require an extra programming step.*/ + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + /* printk(BIOS_DEBUG, "about write %x, index=%x", tmp, (reg_space&0x3)<<29 | reg_addr); */ + outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX); /* probably we dont have to do it again. */ + outl(tmp, AB_DATA); + outl(0, AB_INDX); +} + +void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, + u32 mask, u32 val) +{ + u32 tmp; + + outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX); + tmp = inl(AB_DATA); + /* rpr 4.2 + * For certain revisions of the chip, the ABCFG registers, + * with an address of 0x100NN (where 'N' is any hexadecimal + * number), require an extra programming step.*/ + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + //printk(BIOS_DEBUG, "about write %x, index=%x", tmp, (reg_space&0x3)<<29 | (port&3) << 24 | reg_addr); + outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX); /* probably we dont have to do it again. */ + outl(tmp, AB_DATA); + outl(0, AB_INDX); +} + +/* space = 0: AX_INDXC, AX_DATAC + * space = 1: AX_INDXP, AX_DATAP + */ +void alink_ax_indx(u32 space /*c or p? */ , u32 axindc, + u32 mask, u32 val) +{ + u32 tmp; + + /* read axindc to tmp */ + outl(space << 29 | space << 3 | 0x30, AB_INDX); + outl(axindc, AB_DATA); + outl(0, AB_INDX); + outl(space << 29 | space << 3 | 0x34, AB_INDX); + tmp = inl(AB_DATA); + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + /* write tmp */ + outl(space << 29 | space << 3 | 0x30, AB_INDX); + outl(axindc, AB_DATA); + outl(0, AB_INDX); + outl(space << 29 | space << 3 | 0x34, AB_INDX); + outl(tmp, AB_DATA); + outl(0, AB_INDX); +} +#endif diff --git a/src/southbridge/amd/sb900/smbus.h b/src/southbridge/amd/sb900/smbus.h new file mode 100644 index 0000000..9d693cc --- /dev/null +++ b/src/southbridge/amd/sb900/smbus.h @@ -0,0 +1,71 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SB900_SMBUS_H +#define SB900_SMBUS_H + +#include <stdint.h> + +#define SMBHSTSTAT 0x0 +#define SMBSLVSTAT 0x1 +#define SMBHSTCTRL 0x2 +#define SMBHSTCMD 0x3 +#define SMBHSTADDR 0x4 +#define SMBHSTDAT0 0x5 +#define SMBHSTDAT1 0x6 +#define SMBHSTBLKDAT 0x7 + +#define SMBSLVCTRL 0x8 +#define SMBSLVCMD_SHADOW 0x9 +#define SMBSLVEVT 0xa +#define SMBSLVDAT 0xc + +#define AX_INDXC 0 +#define AX_INDXP 2 +#define AXCFG 4 +#define ABCFG 6 +#define RC_INDXC 1 +#define RC_INDXP 3 + +#define AB_INDX 0xCD8 +#define AB_DATA (AB_INDX+4) + +/* Between 1-10 seconds, We should never timeout normally + * Longer than this is just painful when a timeout condition occurs. + */ +#define SMBUS_TIMEOUT (100*1000*10) + +#define abcfg_reg(reg, mask, val) \ + alink_ab_indx((ABCFG), (reg), (mask), (val)) +#define axcfg_reg(reg, mask, val) \ + alink_ab_indx((AXCFG), (reg), (mask), (val)) +#define axindxc_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXC), (reg), (mask), (val)) +#define axindxp_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXP), (reg), (mask), (val)) +#define rcindxc_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXC), (reg), (port), (mask), (val)) +#define rcindxp_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXP), (reg), (port), (mask), (val)) + +int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address); +int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val); +int do_smbus_recv_byte(u32 smbus_io_base, u32 device); +int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val); +void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val); +void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val); +void alink_ax_indx(u32 space /*c or p? */ , u32 axindc, u32 mask, u32 val); + +#endif diff --git a/src/southbridge/amd/sb900/smi.c b/src/southbridge/amd/sb900/smi.c new file mode 100644 index 0000000..c4ec41d --- /dev/null +++ b/src/southbridge/amd/sb900/smi.c @@ -0,0 +1,25 @@ +/* + * Utilities for SMM setup + * + * Copyright (C) 2014 Alexandru Gagniuc mr.nuke.me@gmail.com + * Subject to the GNU GPL v2, or (at your option) any later version. + */ + +#include "smi.h" + +#include <console/console.h> +#include <cpu/cpu.h> + +void smm_setup_structures(void *gnvs, void *tcg, void *smi1) +{ + printk(BIOS_DEBUG, "smm_setup_structures STUB!!!\n"); +} + +/** Set the EOS bit and enable SMI generation from southbridge */ +void sb900_enable_smi_generation(void) +{ + uint32_t reg = smi_read32(SMI_REG_SMITRIG0); + reg &= ~SMITRG0_SMIENB; /* Enable SMI generation */ + reg |= SMITRG0_EOS; /* Set EOS bit */ + smi_write32(SMI_REG_SMITRIG0, reg); +} diff --git a/src/southbridge/amd/sb900/smi.h b/src/southbridge/amd/sb900/smi.h new file mode 100644 index 0000000..8f20f8b --- /dev/null +++ b/src/southbridge/amd/sb900/smi.h @@ -0,0 +1,65 @@ +/* + * Utilities for SMI handlers and SMM setup + * + * Copyright (C) 2014 Alexandru Gagniuc mr.nuke.me@gmail.com + * Subject to the GNU GPL v2, or (at your option) any later version. + */ + +#ifndef _SOUTHBRIDGE_AMD_SB900_SMI_H +#define _SOUTHBRIDGE_AMD_SB900_SMI_H + +#include <arch/io.h> + +/* ACPI_MMIO_BASE + 0x200 -- leave this string here so grep catches it. + * This is defined by AGESA, but we dpn't include AGESA headers to avoid + * polluting the namesace. + */ +#define SMI_BASE 0xfed80200 + +#define SMI_REG_SMITRIG0 0x98 +#define SMITRG0_EOS (1 << 28) +#define SMITRG0_SMIENB (1 << 31) + +#define SMI_REG_CONTROL0 0xa0 + +enum smi_mode { + SMI_MODE_DISABLE = 0, + SMI_MODE_SMI = 1, + SMI_MODE_NMI = 2, + SMI_MODE_IRQ13 = 3, +}; + +enum smi_lvl { + SMI_LVL_LOW = 0, + SMI_LVL_HIGH = 1, +}; + +static inline uint32_t smi_read32(uint8_t offset) +{ + return read32((void *)((uintptr_t)SMI_BASE + offset)); +} + +static inline void smi_write32(uint8_t offset, uint32_t value) +{ + write32((void *)((uintptr_t)SMI_BASE + offset), value); +} + +static inline uint16_t smi_read16(uint8_t offset) +{ + return read16((void *)((uintptr_t)SMI_BASE + offset)); +} + +static inline void smi_write16(uint8_t offset, uint16_t value) +{ + write16((void *)((uintptr_t)SMI_BASE + offset), value); +} + +void sb900_configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level); +void sb900_disable_gevent_smi(uint8_t gevent); +void sb900_enable_acpi_cmd_smi(void); + +#ifndef __SMM__ +void sb900_enable_smi_generation(void); +#endif + +#endif /* _SOUTHBRIDGE_AMD_SB900_SMI_H */ diff --git a/src/southbridge/amd/sb900/smi_util.c b/src/southbridge/amd/sb900/smi_util.c new file mode 100644 index 0000000..3c2cd20 --- /dev/null +++ b/src/southbridge/amd/sb900/smi_util.c @@ -0,0 +1,79 @@ +/* + * SMM utilities used in both SMM and normal mode + * + * Copyright (C) 2014 Alexandru Gagniuc mr.nuke.me@gmail.com + * Subject to the GNU GPL v2, or (at your option) any later version. + */ + +#include "smi.h" + +#include <console/console.h> + +#define SB900_SMI_ACPI_COMMAND 75 + +static void configure_smi(uint8_t smi_num, uint8_t mode) +{ + uint8_t reg32_offset, bit_offset; + uint32_t reg32; + + /* SMI sources range from [0:149] */ + if (smi_num > 149) { + printk(BIOS_WARNING, "BUG: Invalid SMI: %u\n", smi_num); + return; + } + + /* 16 sources per register, 2 bits per source; registers are 4 bytes */ + reg32_offset = (smi_num / 16) * 4; + bit_offset = (smi_num % 16) * 2; + + reg32 = smi_read32(SMI_REG_CONTROL0 + reg32_offset); + reg32 &= ~(0x3 << (bit_offset)); + reg32 |= (mode & 0x3) << bit_offset; + smi_write32(SMI_REG_CONTROL0 + reg32_offset, reg32); +} + +/** + * Configure generation of interrupts for given GEVENT pin + * + * @param gevent The GEVENT pin number. Valid values are 0 thru 23 + * @param mode The type of event this pin should generate. Note that only + * SMI_MODE_SMI generates an SMI. SMI_MODE_DISABLE disables events. + * @param level SMI_LVL_LOW or SMI_LVL_HIGH + */ +void sb900_configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level) +{ + uint32_t reg32; + /* GEVENT pins range from [0:23] */ + if (gevent > 23) { + printk(BIOS_WARNING, "BUG: Invalid GEVENT: %u\n", gevent); + return; + } + + /* SMI0 source is GEVENT0 and so on */ + configure_smi(gevent, mode); + + /* And set set the trigger level */ + reg32 = smi_read32(SMI_REG_SMITRIG0); + reg32 &= ~(1 << gevent); + reg32 |= (level & 0x1) << gevent; + smi_write32(SMI_REG_SMITRIG0, reg32); +} + +/** Disable events from given GEVENT pin */ +void sb900_disable_gevent_smi(uint8_t gevent) +{ + /* GEVENT pins range from [0:23] */ + if (gevent > 23) { + printk(BIOS_WARNING, "BUG: Invalid GEVENT: %u\n", gevent); + return; + } + + /* SMI0 source is GEVENT0 and so on */ + configure_smi(gevent, SMI_MODE_DISABLE); +} + +/** Enable SMIs on writes to ACPI SMI command port */ +void sb900_enable_acpi_cmd_smi(void) +{ + configure_smi(SB900_SMI_ACPI_COMMAND, SMI_MODE_SMI); +} diff --git a/src/southbridge/amd/sb900/smihandler.c b/src/southbridge/amd/sb900/smihandler.c new file mode 100644 index 0000000..1c9a2ec --- /dev/null +++ b/src/southbridge/amd/sb900/smihandler.c @@ -0,0 +1,134 @@ +/* + * SMI handler for SB900 southbridges + * + * Copyright (C) 2014 Alexandru Gagniuc mr.nuke.me@gmail.com + * Subject to the GNU GPL v2, or (at your option) any later version. + */ + +#include "sb900.h" +#include "smi.h" + +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <delay.h> + +#define SMI_0x88_ACPI_COMMAND (1 << 11) + +enum smi_source { + SMI_SOURCE_SCI = (1 << 0), + SMI_SOURCE_GPE = (1 << 1), + SMI_SOURCE_0x84 = (1 << 2), + SMI_SOURCE_0x88 = (1 << 3), + SMI_SOURCE_IRQ_TRAP = (1 << 4), + SMI_SOURCE_0x90 = (1 << 5) +}; + +static void sb900_apmc_smi_handler(void) +{ + u32 reg32; + const uint8_t cmd = inb(ACPI_SMI_CTL_PORT); + + switch (cmd) { + case ACPI_SMI_CMD_ENABLE: + reg32 = inl(ACPI_PM1_CNT_BLK); + reg32 |= (1 << 0); /* SCI_EN */ + outl(reg32, ACPI_PM1_CNT_BLK); + break; + case ACPI_SMI_CMD_DISABLE: + reg32 = inl(ACPI_PM1_CNT_BLK); + reg32 &= ~(1 << 0); /* clear SCI_EN */ + outl(ACPI_PM1_CNT_BLK, reg32); + break; + } + + mainboard_smi_apmc(cmd); +} + +int southbridge_io_trap_handler(int smif) +{ + return 0; +} + +static void process_smi_sci(void) +{ + const uint32_t status = smi_read32(0x10); + + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x10, status); +} + +static void process_gpe_smi(void) +{ + const uint32_t status = smi_read32(0x80); + const uint32_t gevent_mask = (1 << 24) - 1; + + /* Only Bits [23:0] indicate GEVENT SMIs. */ + if (status & gevent_mask) { + /* A GEVENT SMI occurred */ + mainboard_smi_gpi(status & gevent_mask); + } + + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x80, status); +} + +static void process_smi_0x84(void) +{ + const uint32_t status = smi_read32(0x84); + + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x84, status); +} + +static void process_smi_0x88(void) +{ + const uint32_t status = smi_read32(0x88); + + if (status & SMI_0x88_ACPI_COMMAND) { + /* Command received via ACPI SMI command port */ + sb900_apmc_smi_handler(); + } + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x88, status); +} + +static void process_smi_0x8c(void) +{ + const uint32_t status = smi_read32(0x8c); + + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x8c, status); +} + +static void process_smi_0x90(void) +{ + const uint32_t status = smi_read32(0x90); + + /* Clear events to prevent re-entering SMI if event isn't handled */ + smi_write32(0x90, status); +} + +void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) +{ + const uint16_t smi_src = smi_read16(0x94); + + if (smi_src & SMI_SOURCE_SCI) + process_smi_sci(); + if (smi_src & SMI_SOURCE_GPE) + process_gpe_smi(); + if (smi_src & SMI_SOURCE_0x84) + process_smi_0x84(); + if (smi_src & SMI_SOURCE_0x88) + process_smi_0x88(); + if (smi_src & SMI_SOURCE_IRQ_TRAP) + process_smi_0x8c(); + if (smi_src & SMI_SOURCE_0x90) + process_smi_0x90(); +} + +void southbridge_smi_set_eos(void) +{ + uint32_t reg = smi_read32(SMI_REG_SMITRIG0); + reg |= SMITRG0_EOS; + smi_write32(SMI_REG_SMITRIG0, reg); +} diff --git a/src/southbridge/amd/sb900/usb.c b/src/southbridge/amd/sb900/usb.c new file mode 100644 index 0000000..5087ddb --- /dev/null +++ b/src/southbridge/amd/sb900/usb.c @@ -0,0 +1,51 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <device/pci_ehci.h> +#include <arch/io.h> +#include "sb900.h" + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static struct device_operations usb_ops = { + .read_resources = pci_ehci_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver usb_0_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_USB_18_0, +}; +static const struct pci_driver usb_1_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_USB_18_2, +}; + +static const struct pci_driver usb_4_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_ATI_SB900_USB_20_5, +};
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Timothy Pearson