northbridge/intel/pineview: Add remaining boilerplate code for northbridge
This patch does *not* include native raminit Change-Id: I3fb8146ef7fe2ad27c167ecd2fb0fd629f051cc1 Signed-off-by: Damien Zammit <damien@zamaudio.com> Reviewed-on: https://review.coreboot.org/12430 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
This commit is contained in:
Damien Zammit
Stefan Reinauer
parent
1a38374535
commit
f7060f1d0f
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@ -25,8 +25,7 @@ config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy
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select MMCONF_SUPPORT_DEFAULT
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select MMCONF_SUPPORT_DEFAULT
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select HAVE_DEBUG_RAM_SETUP
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select HAVE_DEBUG_RAM_SETUP
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select LAPIC_MONOTONIC_TIMER
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select LAPIC_MONOTONIC_TIMER
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select VGA
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select LATE_CBMEM_INIT
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select PER_DEVICE_ACPI_TABLES
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config BOOTBLOCK_NORTHBRIDGE_INIT
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config BOOTBLOCK_NORTHBRIDGE_INIT
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string
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string
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@ -17,8 +17,10 @@
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ifeq ($(CONFIG_NORTHBRIDGE_INTEL_PINEVIEW),y)
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ifeq ($(CONFIG_NORTHBRIDGE_INTEL_PINEVIEW),y)
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ramstage-y += ram_calc.c
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ramstage-y += ram_calc.c
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ramstage-y += northbridge.c
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ramstage-y += acpi.c
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ramstage-y += acpi.c
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romstage-y += ram_calc.c
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romstage-y += ram_calc.c
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romstage-y += early_init.c
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endif
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endif
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@ -24,42 +24,14 @@
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unsigned long acpi_fill_mcfg(unsigned long current)
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unsigned long acpi_fill_mcfg(unsigned long current)
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{
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{
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device_t dev;
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u32 length = 0;
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u32 pciexbar = 0;
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u32 pciexbar = 0;
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u32 pciexbar_reg;
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u32 reg32;
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int max_buses;
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int max_buses;
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const struct {
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u16 num_buses;
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u32 addr_mask;
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} busmask[] = {
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{256, 0xff000000},
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{128, 0xf8000000},
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{64, 0xfc000000},
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{0, 0},
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};
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dev = dev_find_slot(0, PCI_DEVFN(0,0));
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if (!decode_pciebar(&pciexbar, &length))
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if (!dev)
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return current;
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return current;
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pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
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max_buses = length >> 20;
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// MMCFG not supported or not enabled.
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if (!(pciexbar_reg & (1 << 0))) {
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printk(BIOS_WARNING, "WARNING: MMCONF not set\n");
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return current;
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}
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reg32 = (pciexbar_reg >> 1) & 3;
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pciexbar = pciexbar_reg & busmask[reg32].addr_mask;
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max_buses = busmask[reg32].num_buses;
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if (!pciexbar) {
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printk(BIOS_WARNING, "WARNING: pciexbar invalid\n");
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return current;
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}
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current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
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current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
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pciexbar, 0x0, 0x0, max_buses - 1);
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pciexbar, 0x0, 0x0, max_buses - 1);
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@ -0,0 +1,235 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007-2009 coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/ioapic.h>
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Name(_HID,EISAID("PNP0A08")) // PCIe
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Name(_CID,EISAID("PNP0A03")) // PCI
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Name(_ADR, 0)
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Name(_BBN, 0)
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Device (MCHC)
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{
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Name(_ADR, 0x00000000) /* 0:0.0 */
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OperationRegion(MCHP, PCI_Config, 0x00, 0x100)
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Field (MCHP, DWordAcc, NoLock, Preserve)
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{
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Offset (0x40), /* EPBAR */
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EPEN, 1, /* Enable */
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, 11,
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EPBR, 24, /* EPBAR */
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Offset (0x48), /* MCHBAR */
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MHEN, 1, /* Enable */
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, 13,
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MHBR, 22, /* MCHBAR */
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Offset (0x60), /* PCIec BAR */
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PXEN, 1, /* Enable */
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PXSZ, 2, /* BAR size */
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, 23,
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PXBR, 10, /* PCIec BAR */
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Offset (0x68), /* DMIBAR */
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DMEN, 1, /* Enable */
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, 11, /*
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DMBR, 20, /* DMIBAR */
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// ...
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Offset (0x90), /* PAM0 */
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, 4,
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PM0H, 2,
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, 2,
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Offset (0x91), /* PAM1 */
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PM1L, 2,
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, 2,
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PM1H, 2,
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, 2,
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Offset (0x92), /* PAM2 */
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PM2L, 2,
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, 2,
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PM2H, 2,
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, 2,
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Offset (0x93), /* PAM3 */
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PM3L, 2,
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, 2,
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PM3H, 2,
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, 2,
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Offset (0x94), /* PAM4 */
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PM4L, 2,
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, 2,
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PM4H, 2,
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, 2,
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Offset (0x95), /* PAM5 */
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PM5L, 2,
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, 2,
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PM5H, 2,
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, 2,
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Offset (0x96), /* PAM6 */
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PM6L, 2,
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, 2,
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PM6H, 2,
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, 2,
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Offset (0xa0), /* Top of Memory */
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TOM, 8,
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Offset (0xb0), /* Top of Low Used Memory */
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, 4,
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TLUD, 12,
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}
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}
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/* Current Resource Settings */
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Name (MCRS, ResourceTemplate()
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{
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/* Bus Numbers */
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WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
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0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00)
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/* IO Region 0 */
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DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
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0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,, PI00)
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/* PCI Config Space */
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Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
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/* IO Region 1 */
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DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
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0x0000, 0x0d00, 0xffff, 0x0000, 0xf300,,, PI01)
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/* VGA memory (0xa0000-0xbffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
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0x00020000,,, ASEG)
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/* OPROM reserved (0xc0000-0xc3fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
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0x00004000,,, OPR0)
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/* OPROM reserved (0xc4000-0xc7fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
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0x00004000,,, OPR1)
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/* OPROM reserved (0xc8000-0xcbfff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
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0x00004000,,, OPR2)
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/* OPROM reserved (0xcc000-0xcffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
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0x00004000,,, OPR3)
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/* OPROM reserved (0xd0000-0xd3fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
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0x00004000,,, OPR4)
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/* OPROM reserved (0xd4000-0xd7fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
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0x00004000,,, OPR5)
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/* OPROM reserved (0xd8000-0xdbfff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
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0x00004000,,, OPR6)
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/* OPROM reserved (0xdc000-0xdffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
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0x00004000,,, OPR7)
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/* BIOS Extension (0xe0000-0xe3fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
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0x00004000,,, ESG0)
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/* BIOS Extension (0xe4000-0xe7fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
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0x00004000,,, ESG1)
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/* BIOS Extension (0xe8000-0xebfff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
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0x00004000,,, ESG2)
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/* BIOS Extension (0xec000-0xeffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000ec000, 0x000effff, 0x00000000,
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0x00004000,,, ESG3)
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/* System BIOS (0xf0000-0xfffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
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0x00010000,,, FSEG)
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/* PCI Memory Region (Top of memory-0xfebfffff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0x00000000, 0xfebfffff, 0x00000000,
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IO_APIC_ADDR,,, PM01)
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/* TPM Area (0xfed40000-0xfed44fff) */
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, 0xfed40000, 0xfed44fff, 0x00000000,
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0x00005000,,, TPMR)
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})
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Method (_CRS, 0, Serialized)
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{
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/* Find PCI resource area in MCRS */
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CreateDwordField(MCRS, ^PM01._MIN, PMIN)
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CreateDwordField(MCRS, ^PM01._MAX, PMAX)
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CreateDwordField(MCRS, ^PM01._LEN, PLEN)
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/* Fix up PCI memory region:
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* Enter actual TOLUD. The TOLUD register contains bits 27-31 of
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* the top of memory address.
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*/
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ShiftLeft (^MCHC.TLUD, 27, PMIN)
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Add(Subtract(PMAX, PMIN), 1, PLEN)
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Return (MCRS)
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}
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/* IRQ assignment is mainboard specific. Get it from mainboard ACPI code */
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#include "acpi/pineview_pci_irqs.asl"
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@ -0,0 +1,41 @@
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/*
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* This file is part of the coreboot project.
|
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|
*
|
||||||
|
* 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 (PEGP)
|
||||||
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{
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Name (_ADR, 0x00010000)
|
||||||
|
|
||||||
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// PCI Interrupt Routing.
|
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Method (_PRT)
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{
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||||||
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If (PICM) {
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||||||
|
Return (Package() {
|
||||||
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Package() { 0x0000ffff, 0, 0, 16 },
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Package() { 0x0000ffff, 1, 0, 17 },
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Package() { 0x0000ffff, 2, 0, 18 },
|
||||||
|
Package() { 0x0000ffff, 3, 0, 19 }
|
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|
})
|
||||||
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} Else {
|
||||||
|
Return (Package() {
|
||||||
|
Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
|
||||||
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Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
|
||||||
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Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
|
||||||
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Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 }
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||||||
|
})
|
||||||
|
}
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||||||
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|
||||||
|
}
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}
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@ -0,0 +1,50 @@
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/*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
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#include "hostbridge.asl"
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#include "../iomap.h"
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||||||
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#include <southbridge/intel/i82801gx/i82801gx.h>
|
||||||
|
|
||||||
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/* PCI Device Resource Consumption */
|
||||||
|
Device (PDRC)
|
||||||
|
{
|
||||||
|
Name (_HID, EISAID("PNP0C02"))
|
||||||
|
Name (_UID, 1)
|
||||||
|
|
||||||
|
/* This does not seem to work correctly yet - set values statically for
|
||||||
|
* now.
|
||||||
|
*/
|
||||||
|
|
||||||
|
Name (PDRS, ResourceTemplate() {
|
||||||
|
Memory32Fixed(ReadWrite, 0xfed1c000, 0x00004000) /* RCBA */
|
||||||
|
Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00004000)
|
||||||
|
Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000)
|
||||||
|
Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000)
|
||||||
|
Memory32Fixed(ReadWrite, DEFAULT_PCIEXBAR, 0x04000000)
|
||||||
|
Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) /* Misc ICH */
|
||||||
|
Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) /* Misc ICH */
|
||||||
|
Memory32Fixed(ReadWrite, 0xfed45000, 0x0004b000) /* Misc ICH */
|
||||||
|
})
|
||||||
|
|
||||||
|
/* Current Resource Settings */
|
||||||
|
Method (_CRS, 0, Serialized)
|
||||||
|
{
|
||||||
|
Return(PDRS)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// PCIe graphics port 0:1.0
|
||||||
|
#include "peg.asl"
|
||||||
|
|
@ -0,0 +1,8 @@
|
||||||
|
#include <drivers/intel/gma/i915.h>
|
||||||
|
|
||||||
|
struct northbridge_intel_pineview_config {
|
||||||
|
u32 gpu_hotplug;
|
||||||
|
u32 gpu_backlight;
|
||||||
|
int gpu_lvds_use_spread_spectrum_clock;
|
||||||
|
struct i915_gpu_controller_info gfx;
|
||||||
|
};
|
||||||
|
|
@ -0,0 +1,166 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2015 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; either version 2 of
|
||||||
|
* the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* 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 <stdlib.h>
|
||||||
|
#include <console/console.h>
|
||||||
|
#include <arch/io.h>
|
||||||
|
#include <device/pci_def.h>
|
||||||
|
#include <cbmem.h>
|
||||||
|
#include <halt.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <northbridge/intel/pineview/pineview.h>
|
||||||
|
|
||||||
|
#define LPC PCI_DEV(0, 0x1f, 0)
|
||||||
|
#define D0F0 PCI_DEV(0, 0, 0)
|
||||||
|
|
||||||
|
static void pineview_setup_bars(void)
|
||||||
|
{
|
||||||
|
u8 reg8;
|
||||||
|
u16 reg16;
|
||||||
|
u32 reg32;
|
||||||
|
|
||||||
|
/* Setting up Southbridge. In the northbridge code. */
|
||||||
|
printk(BIOS_DEBUG, "Setting up static southbridge registers...");
|
||||||
|
pci_write_config32(LPC, RCBA, (uintptr_t)DEFAULT_RCBA | 1);
|
||||||
|
pci_write_config32(LPC, PMBASE, DEFAULT_PMBASE | 1);
|
||||||
|
pci_write_config8(LPC, 0x44 /* ACPI_CNTL */ , 0x80); /* Enable ACPI */
|
||||||
|
pci_write_config32(LPC, GPIOBASE, DEFAULT_GPIOBASE | 1);
|
||||||
|
pci_write_config8(LPC, 0x4c /* GC */ , 0x10); /* Enable GPIOs */
|
||||||
|
pci_write_config32(LPC, 0x88, 0x007c0291);
|
||||||
|
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20);
|
||||||
|
printk(BIOS_DEBUG, " done.\n");
|
||||||
|
|
||||||
|
printk(BIOS_DEBUG, "Disabling Watchdog reboot...");
|
||||||
|
RCBA32(GCS) = RCBA32(GCS) | (1 << 5); /* No reset */
|
||||||
|
outw((1 << 11), DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */
|
||||||
|
printk(BIOS_DEBUG, " done.\n");
|
||||||
|
|
||||||
|
/* Enable upper 128bytes of CMOS */
|
||||||
|
RCBA32(0x3400) = (1 << 2);
|
||||||
|
|
||||||
|
printk(BIOS_DEBUG, "Setting up static northbridge registers...");
|
||||||
|
pci_write_config8(D0F0, 0x8, 0x69);
|
||||||
|
|
||||||
|
/* Set up all hardcoded northbridge BARs */
|
||||||
|
pci_write_config32(D0F0, EPBAR, DEFAULT_EPBAR | 1);
|
||||||
|
pci_write_config32(D0F0, MCHBAR, (uintptr_t)DEFAULT_MCHBAR | 1);
|
||||||
|
pci_write_config32(D0F0, DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1);
|
||||||
|
pci_write_config32(D0F0, PMIOBAR, (uintptr_t)0x400 | 1);
|
||||||
|
|
||||||
|
|
||||||
|
reg32 = MCHBAR32(0x30);
|
||||||
|
MCHBAR32(0x30) = 0x21800;
|
||||||
|
DMIBAR32(0x2c) = 0x86000040;
|
||||||
|
pci_write_config8(D0F0, DEVEN, 0x09);
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x18, 0x00020200);
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x18, 0x00000000);
|
||||||
|
reg8 = pci_read_config8(D0F0, 0xe5); // 0x10
|
||||||
|
reg16 = pci_read_config16(PCI_DEV(0, 0x02, 0), 0x0); // 0x8086
|
||||||
|
|
||||||
|
reg16 = pci_read_config16(D0F0, GGC);
|
||||||
|
pci_write_config16(D0F0, GGC, 0x130);
|
||||||
|
reg16 = pci_read_config16(D0F0, GGC);
|
||||||
|
pci_write_config16(D0F0, GGC, 0x130);
|
||||||
|
MCHBAR8(0xb08) = 0x20;
|
||||||
|
reg8 = pci_read_config8(D0F0, 0xe6); // 0x11
|
||||||
|
reg16 = MCHBAR16(0xc8c);
|
||||||
|
MCHBAR16(0xc8c) = reg16 | 0x0200;
|
||||||
|
reg8 = MCHBAR8(0xc8c);
|
||||||
|
MCHBAR8(0xc8c) = reg8;
|
||||||
|
MCHBAR8(0xc8c) = 0x12;
|
||||||
|
pci_write_config8(PCI_DEV(0, 0x02, 0), 0x62, 0x02);
|
||||||
|
pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe8, 0x8000);
|
||||||
|
MCHBAR32(0x3004) = 0x48000000;
|
||||||
|
MCHBAR32(0x3008) = 0xfffffe00;
|
||||||
|
MCHBAR32(0xb08) = 0x06028220;
|
||||||
|
MCHBAR32(0xff4) = 0xc6db8b5f;
|
||||||
|
MCHBAR16(0xff8) = 0x024f;
|
||||||
|
|
||||||
|
// PLL Voltage controlled oscillator
|
||||||
|
//MCHBAR8(0xc38) = 0x04;
|
||||||
|
|
||||||
|
pci_write_config16(PCI_DEV(0, 0x02, 0), 0xcc, 0x014d);
|
||||||
|
reg32 = MCHBAR32(0x40);
|
||||||
|
MCHBAR32(0x40) = 0x0;
|
||||||
|
reg32 = MCHBAR32(0x40);
|
||||||
|
MCHBAR32(0x40) = 0x8;
|
||||||
|
|
||||||
|
pci_write_config8(LPC, 0x8, 0x1d);
|
||||||
|
pci_write_config8(LPC, 0x8, 0x0);
|
||||||
|
RCBA32(0x3410) = 0x00020465;
|
||||||
|
RCBA32(0x88) = 0x0011d000;
|
||||||
|
RCBA32(0x1fc) = 0x60f;
|
||||||
|
RCBA32(0x1f4) = 0x86000040;
|
||||||
|
RCBA32(0x214) = 0x10030509;
|
||||||
|
RCBA32(0x218) = 0x00020504;
|
||||||
|
RCBA32(0x220) = 0xc5;
|
||||||
|
RCBA32(0x3430) = 0x1;
|
||||||
|
RCBA32(0x2027) = 0x38f6a70d;
|
||||||
|
RCBA16(0x3e08) = 0x0080;
|
||||||
|
RCBA16(0x3e48) = 0x0080;
|
||||||
|
RCBA32(0x3e0e) = 0x00000080;
|
||||||
|
RCBA32(0x3e4e) = 0x00000080;
|
||||||
|
RCBA32(0x2034) = 0xb24577cc;
|
||||||
|
RCBA32(0x1c) = 0x03128010;
|
||||||
|
RCBA32(0x2010) = 0x400;
|
||||||
|
RCBA32(0x3400) = 0x4;
|
||||||
|
RCBA32(0x2080) = 0x18006007;
|
||||||
|
RCBA32(0x20a0) = 0x18006007;
|
||||||
|
RCBA32(0x20c0) = 0x18006007;
|
||||||
|
RCBA32(0x20e0) = 0x18006007;
|
||||||
|
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1d, 0), 0xca, 0x1);
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1d, 1), 0xca, 0x1);
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1d, 2), 0xca, 0x1);
|
||||||
|
pci_write_config32(PCI_DEV(0, 0x1d, 3), 0xca, 0x1);
|
||||||
|
|
||||||
|
RCBA32(0x3100) = 0x42210;
|
||||||
|
RCBA32(0x3108) = 0x10004321;
|
||||||
|
RCBA32(0x310c) = 0x00214321;
|
||||||
|
RCBA32(0x3110) = 0x1;
|
||||||
|
RCBA32(0x3140) = 0x01460132;
|
||||||
|
RCBA32(0x3142) = 0x02370146;
|
||||||
|
RCBA32(0x3144) = 0x32010237;
|
||||||
|
RCBA32(0x3146) = 0x01463201;
|
||||||
|
RCBA32(0x3148) = 0x146;
|
||||||
|
|
||||||
|
/* Set C0000-FFFFF to access RAM on both reads and writes */
|
||||||
|
pci_write_config8(D0F0, PAM0, 0x30);
|
||||||
|
pci_write_config8(D0F0, PAM1, 0x33);
|
||||||
|
pci_write_config8(D0F0, PAM2, 0x33);
|
||||||
|
pci_write_config8(D0F0, PAM3, 0x33);
|
||||||
|
pci_write_config8(D0F0, PAM4, 0x33);
|
||||||
|
pci_write_config8(D0F0, PAM5, 0x33);
|
||||||
|
pci_write_config8(D0F0, PAM6, 0x33);
|
||||||
|
|
||||||
|
pci_write_config32(D0F0, SKPAD, SKPAD_NORMAL_BOOT_MAGIC);
|
||||||
|
printk(BIOS_DEBUG, " done.\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
void pineview_early_initialization(void)
|
||||||
|
{
|
||||||
|
/* Print some chipset specific information */
|
||||||
|
printk(BIOS_DEBUG, "Intel Pineview northbridge\n");
|
||||||
|
|
||||||
|
/* Setup all BARs required for early PCIe and raminit */
|
||||||
|
pineview_setup_bars();
|
||||||
|
|
||||||
|
/* Change port80 to LPC */
|
||||||
|
RCBA32(GCS) &= (~0x04);
|
||||||
|
RCBA32(0x2010) |= (1 << 10);
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,230 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2007-2009 coresystems GmbH
|
||||||
|
* Copyright (C) 2015 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 <stdint.h>
|
||||||
|
#include <device/device.h>
|
||||||
|
#include <device/pci.h>
|
||||||
|
#include <device/pci_ids.h>
|
||||||
|
#include <device/hypertransport.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <cpu/cpu.h>
|
||||||
|
#include <boot/tables.h>
|
||||||
|
#include <arch/acpi.h>
|
||||||
|
#include <cbmem.h>
|
||||||
|
#include <northbridge/intel/pineview/pineview.h>
|
||||||
|
|
||||||
|
/* Reserve segments A and B:
|
||||||
|
*
|
||||||
|
* 0xa0000 - 0xbffff: legacy VGA
|
||||||
|
*/
|
||||||
|
static const int legacy_hole_base_k = 0xa0000 / 1024;
|
||||||
|
static const int legacy_hole_size_k = 128;
|
||||||
|
|
||||||
|
static void mch_domain_read_resources(device_t dev)
|
||||||
|
{
|
||||||
|
u64 tom, touud;
|
||||||
|
u32 tomk, tolud, uma_sizek = 0, usable_tomk;
|
||||||
|
u32 pcie_config_base, pcie_config_size;
|
||||||
|
|
||||||
|
pci_domain_read_resources(dev);
|
||||||
|
|
||||||
|
/* Top of Upper Usable DRAM, including remap */
|
||||||
|
touud = pci_read_config16(dev, 0xa2);
|
||||||
|
touud <<= 20;
|
||||||
|
|
||||||
|
/* Top of Lower Usable DRAM */
|
||||||
|
tolud = pci_read_config16(dev, 0xb0) & 0xfff0;
|
||||||
|
tolud <<= 16;
|
||||||
|
|
||||||
|
/* Top of Memory - does not account for any UMA */
|
||||||
|
tom = pci_read_config16(dev, 0xa0) & 0x1ff;
|
||||||
|
tom <<= 27;
|
||||||
|
|
||||||
|
printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n",
|
||||||
|
touud, tolud, tom);
|
||||||
|
|
||||||
|
tomk = tolud >> 10;
|
||||||
|
|
||||||
|
/* Graphics memory comes next */
|
||||||
|
const u16 ggc = pci_read_config16(dev, GGC);
|
||||||
|
|
||||||
|
/* Graphics memory */
|
||||||
|
const u32 gms_sizek = decode_igd_memory_size((ggc >> 4) & 0xf);
|
||||||
|
printk(BIOS_DEBUG, "%uM UMA", gms_sizek >> 10);
|
||||||
|
tomk -= gms_sizek;
|
||||||
|
|
||||||
|
/* GTT Graphics Stolen Memory Size (GGMS) */
|
||||||
|
const u32 gsm_sizek = decode_igd_gtt_size((ggc >> 8) & 0xf);
|
||||||
|
printk(BIOS_DEBUG, " and %uM GTT\n", gsm_sizek >> 10);
|
||||||
|
tomk -= gsm_sizek;
|
||||||
|
|
||||||
|
uma_sizek = gms_sizek + gsm_sizek;
|
||||||
|
|
||||||
|
usable_tomk = ALIGN_DOWN(tomk, 64 << 10);
|
||||||
|
if (tomk - usable_tomk > (16 << 10))
|
||||||
|
usable_tomk = tomk;
|
||||||
|
|
||||||
|
printk(BIOS_INFO, "Available memory below 4GB: %uM\n", usable_tomk >> 10);
|
||||||
|
|
||||||
|
/* Report the memory regions */
|
||||||
|
ram_resource(dev, 3, 0, legacy_hole_base_k);
|
||||||
|
ram_resource(dev, 4, legacy_hole_base_k + legacy_hole_size_k,
|
||||||
|
(usable_tomk - (legacy_hole_base_k + legacy_hole_size_k)));
|
||||||
|
|
||||||
|
mmio_resource(dev, 5, legacy_hole_base_k,
|
||||||
|
(0xc0000 >> 10) - legacy_hole_base_k);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If >= 4GB installed then memory from TOLUD to 4GB
|
||||||
|
* is remapped above TOM, TOUUD will account for both
|
||||||
|
*/
|
||||||
|
touud >>= 10; /* Convert to KB */
|
||||||
|
if (touud > 4096 * 1024) {
|
||||||
|
ram_resource(dev, 6, 4096 * 1024, touud - (4096 * 1024));
|
||||||
|
printk(BIOS_INFO, "Available memory above 4GB: %lluM\n",
|
||||||
|
(touud >> 10) - 4096);
|
||||||
|
}
|
||||||
|
|
||||||
|
printk(BIOS_DEBUG, "Adding UMA memory area base=0x%llx "
|
||||||
|
"size=0x%llx\n", ((u64)tomk) << 10, ((u64)uma_sizek) << 10);
|
||||||
|
/* Don't use uma_resource() as our UMA touches the PCI hole. */
|
||||||
|
fixed_mem_resource(dev, 7, tomk, uma_sizek, IORESOURCE_RESERVE);
|
||||||
|
|
||||||
|
if (decode_pciebar(&pcie_config_base, &pcie_config_size)) {
|
||||||
|
printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
|
||||||
|
"size=0x%x\n", pcie_config_base, pcie_config_size);
|
||||||
|
fixed_mem_resource(dev, 8, pcie_config_base >> 10,
|
||||||
|
pcie_config_size >> 10, IORESOURCE_RESERVE);
|
||||||
|
}
|
||||||
|
|
||||||
|
set_top_of_ram(tomk << 10);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mch_domain_set_resources(device_t dev)
|
||||||
|
{
|
||||||
|
struct resource *resource;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 3; i < 9; ++i) {
|
||||||
|
/* Report read resources. */
|
||||||
|
resource = probe_resource(dev, i);
|
||||||
|
if (resource)
|
||||||
|
report_resource_stored(dev, resource, "");
|
||||||
|
}
|
||||||
|
|
||||||
|
assign_resources(dev->link_list);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mch_domain_init(device_t dev)
|
||||||
|
{
|
||||||
|
u32 reg32;
|
||||||
|
|
||||||
|
/* Enable SERR */
|
||||||
|
reg32 = pci_read_config32(dev, PCI_COMMAND);
|
||||||
|
reg32 |= PCI_COMMAND_SERR;
|
||||||
|
pci_write_config32(dev, PCI_COMMAND, reg32);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct device_operations pci_domain_ops = {
|
||||||
|
.read_resources = mch_domain_read_resources,
|
||||||
|
.set_resources = mch_domain_set_resources,
|
||||||
|
.enable_resources = NULL,
|
||||||
|
.init = mch_domain_init,
|
||||||
|
.scan_bus = pci_domain_scan_bus,
|
||||||
|
.ops_pci_bus = pci_bus_default_ops,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void cpu_bus_init(device_t dev)
|
||||||
|
{
|
||||||
|
initialize_cpus(dev->link_list);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct device_operations cpu_bus_ops = {
|
||||||
|
.read_resources = DEVICE_NOOP,
|
||||||
|
.set_resources = DEVICE_NOOP,
|
||||||
|
.enable_resources = DEVICE_NOOP,
|
||||||
|
.init = cpu_bus_init,
|
||||||
|
.scan_bus = 0,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
static void enable_dev(device_t dev)
|
||||||
|
{
|
||||||
|
/* Set the operations if it is a special bus type */
|
||||||
|
if (dev->path.type == DEVICE_PATH_DOMAIN) {
|
||||||
|
dev->ops = &pci_domain_ops;
|
||||||
|
#if CONFIG_HAVE_ACPI_RESUME
|
||||||
|
switch (pci_read_config32(dev_find_slot(0, PCI_DEVFN(0, 0)), /*D0F0_SKPD*/0xdc)) {
|
||||||
|
case SKPAD_NORMAL_BOOT_MAGIC:
|
||||||
|
printk(BIOS_DEBUG, "Normal boot.\n");
|
||||||
|
acpi_slp_type=0;
|
||||||
|
break;
|
||||||
|
case SKPAD_ACPI_S3_MAGIC:
|
||||||
|
printk(BIOS_DEBUG, "S3 Resume.\n");
|
||||||
|
acpi_slp_type=3;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n");
|
||||||
|
acpi_slp_type=0;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
|
||||||
|
dev->ops = &cpu_bus_ops;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void pineview_init(void *const chip_info)
|
||||||
|
{
|
||||||
|
int dev, fn;
|
||||||
|
|
||||||
|
struct device *const d0f0 = dev_find_slot(0, 0);
|
||||||
|
|
||||||
|
const struct {
|
||||||
|
u8 fn;
|
||||||
|
u8 bitbase;
|
||||||
|
} intfunc[] = {
|
||||||
|
{0, 0},
|
||||||
|
{0, 1}, /* PEG */
|
||||||
|
{1, 3}, /* IGD */
|
||||||
|
{3, 6}, /* ME */
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Hide internal functions based on devicetree info. */
|
||||||
|
for (dev = 3; dev > 0; --dev) {
|
||||||
|
for (fn = intfunc[dev].fn; fn >= 0; --fn) {
|
||||||
|
const struct device *const d =
|
||||||
|
dev_find_slot(0, PCI_DEVFN(dev, fn));
|
||||||
|
if (!d || d->enabled) continue;
|
||||||
|
const u32 deven = pci_read_config32(d0f0, DEVEN);
|
||||||
|
pci_write_config32(d0f0, DEVEN, deven
|
||||||
|
& ~(1 << (intfunc[dev].bitbase + fn)));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
const u32 deven = pci_read_config32(d0f0, DEVEN);
|
||||||
|
if (!(deven & (0xf << 6)))
|
||||||
|
pci_write_config32(d0f0, DEVEN, deven & ~(1 << 14));
|
||||||
|
}
|
||||||
|
|
||||||
|
struct chip_operations northbridge_intel_pineview_ops = {
|
||||||
|
CHIP_NAME("Intel Pineview Northbridge")
|
||||||
|
.enable_dev = enable_dev,
|
||||||
|
.init = pineview_init,
|
||||||
|
};
|
||||||
|
|
@ -20,6 +20,16 @@
|
||||||
#include <northbridge/intel/pineview/iomap.h>
|
#include <northbridge/intel/pineview/iomap.h>
|
||||||
#include <southbridge/intel/i82801gx/i82801gx.h>
|
#include <southbridge/intel/i82801gx/i82801gx.h>
|
||||||
|
|
||||||
|
#define BOOT_PATH_NORMAL 0
|
||||||
|
#define BOOT_PATH_RESET 1
|
||||||
|
#define BOOT_PATH_RESUME 2
|
||||||
|
|
||||||
|
#define SYSINFO_DIMM_NOT_POPULATED 0x00
|
||||||
|
#define SYSINFO_DIMM_X16SS 0x01
|
||||||
|
#define SYSINFO_DIMM_X16DS 0x02
|
||||||
|
#define SYSINFO_DIMM_X8DS 0x05
|
||||||
|
#define SYSINFO_DIMM_X8DDS 0x06
|
||||||
|
|
||||||
/* Device 0:0.0 PCI configuration space (Host Bridge) */
|
/* Device 0:0.0 PCI configuration space (Host Bridge) */
|
||||||
|
|
||||||
#define EPBAR 0x40
|
#define EPBAR 0x40
|
||||||
|
|
@ -58,7 +68,7 @@
|
||||||
#define TOUUD 0xa2
|
#define TOUUD 0xa2
|
||||||
#define GBSM 0xa4
|
#define GBSM 0xa4
|
||||||
#define BGSM 0xa8
|
#define BGSM 0xa8
|
||||||
#define TSEGMB 0xac
|
#define TSEG 0xac
|
||||||
#define TOLUD 0xb0 /* Top of Low Used Memory */
|
#define TOLUD 0xb0 /* Top of Low Used Memory */
|
||||||
#define ERRSTS 0xc8
|
#define ERRSTS 0xc8
|
||||||
#define ERRCMD 0xca
|
#define ERRCMD 0xca
|
||||||
|
|
@ -77,7 +87,6 @@
|
||||||
#define BCTRL1 0x3e /* 16bit */
|
#define BCTRL1 0x3e /* 16bit */
|
||||||
#define PEGSTS 0x214 /* 32bit */
|
#define PEGSTS 0x214 /* 32bit */
|
||||||
|
|
||||||
|
|
||||||
/* Device 0:2.0 PCI configuration space (Graphics Device) */
|
/* Device 0:2.0 PCI configuration space (Graphics Device) */
|
||||||
|
|
||||||
#define GMADR 0x18
|
#define GMADR 0x18
|
||||||
|
|
@ -85,6 +94,7 @@
|
||||||
#define BSM 0x5c
|
#define BSM 0x5c
|
||||||
#define GCFC 0xf0 /* Graphics Clock Frequency & Gating Control */
|
#define GCFC 0xf0 /* Graphics Clock Frequency & Gating Control */
|
||||||
|
|
||||||
|
#define GPIO32(x) *((volatile u32 *)(DEFAULT_GPIOBASE + x))
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* MCHBAR
|
* MCHBAR
|
||||||
|
|
@ -110,7 +120,126 @@
|
||||||
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
|
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
|
||||||
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
|
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
|
||||||
|
|
||||||
|
enum fsb_clk {
|
||||||
|
FSB_CLOCK_667MHz = 0,
|
||||||
|
FSB_CLOCK_800MHz = 1,
|
||||||
|
};
|
||||||
|
|
||||||
|
enum mem_clk {
|
||||||
|
MEM_CLOCK_667MHz = 0,
|
||||||
|
MEM_CLOCK_800MHz = 1,
|
||||||
|
};
|
||||||
|
|
||||||
|
enum ddr {
|
||||||
|
DDR2 = 2,
|
||||||
|
DDR3 = 3,
|
||||||
|
};
|
||||||
|
|
||||||
|
enum chip_width { /* as in DDR3 spd */
|
||||||
|
CHIP_WIDTH_x4 = 0,
|
||||||
|
CHIP_WIDTH_x8 = 1,
|
||||||
|
CHIP_WIDTH_x16 = 2,
|
||||||
|
CHIP_WIDTH_x32 = 3,
|
||||||
|
};
|
||||||
|
|
||||||
|
enum chip_cap { /* as in DDR3 spd */
|
||||||
|
CHIP_CAP_256M = 0,
|
||||||
|
CHIP_CAP_512M = 1,
|
||||||
|
CHIP_CAP_1G = 2,
|
||||||
|
CHIP_CAP_2G = 3,
|
||||||
|
CHIP_CAP_4G = 4,
|
||||||
|
CHIP_CAP_8G = 5,
|
||||||
|
CHIP_CAP_16G = 6,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct timings {
|
||||||
|
unsigned int CAS;
|
||||||
|
enum fsb_clk fsb_clock;
|
||||||
|
enum mem_clk mem_clock;
|
||||||
|
unsigned int tRAS;
|
||||||
|
unsigned int tRP;
|
||||||
|
unsigned int tRCD;
|
||||||
|
unsigned int tWR;
|
||||||
|
unsigned int tRFC;
|
||||||
|
unsigned int tWTR;
|
||||||
|
unsigned int tRRD;
|
||||||
|
unsigned int tRTP;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct dimminfo {
|
||||||
|
unsigned int card_type; /* 0x0: unpopulated,
|
||||||
|
0xa - 0xf: raw card type A - F */
|
||||||
|
u8 type;
|
||||||
|
enum chip_width width;
|
||||||
|
enum chip_cap chip_capacity;
|
||||||
|
unsigned int page_size; /* of whole DIMM in Bytes (4096 or 8192) */
|
||||||
|
unsigned int sides;
|
||||||
|
unsigned int banks;
|
||||||
|
unsigned int ranks;
|
||||||
|
unsigned int rows;
|
||||||
|
unsigned int cols;
|
||||||
|
unsigned int cas_latencies;
|
||||||
|
unsigned int tAAmin;
|
||||||
|
unsigned int tCKmin;
|
||||||
|
unsigned int tWR;
|
||||||
|
unsigned int tRP;
|
||||||
|
unsigned int tRCD;
|
||||||
|
unsigned int tRAS;
|
||||||
|
unsigned int rank_capacity_mb; /* per rank in Mega Bytes */
|
||||||
|
u8 spd_data[256];
|
||||||
|
};
|
||||||
|
|
||||||
|
struct pllparam {
|
||||||
|
u8 kcoarse[2][72];
|
||||||
|
u8 pi[2][72];
|
||||||
|
u8 dben[2][72];
|
||||||
|
u8 dbsel[2][72];
|
||||||
|
u8 clkdelay[2][72];
|
||||||
|
};
|
||||||
|
|
||||||
|
struct sysinfo {
|
||||||
|
u8 maxpi;
|
||||||
|
u8 pioffset;
|
||||||
|
u8 pi[8];
|
||||||
|
u16 coarsectrl;
|
||||||
|
u16 coarsedelay;
|
||||||
|
u16 mediumphase;
|
||||||
|
u16 readptrdelay;
|
||||||
|
|
||||||
|
int txt_enabled;
|
||||||
|
int cores;
|
||||||
|
int boot_path;
|
||||||
|
int max_ddr2_mhz;
|
||||||
|
int max_ddr3_mt;
|
||||||
|
int max_fsb_mhz;
|
||||||
|
int max_render_mhz;
|
||||||
|
int enable_igd;
|
||||||
|
int enable_peg;
|
||||||
|
u16 ggc;
|
||||||
|
|
||||||
|
int dimm_config[2];
|
||||||
|
int dimms_per_ch;
|
||||||
|
int spd_type;
|
||||||
|
int channel_capacity[2];
|
||||||
|
struct timings selected_timings;
|
||||||
|
struct dimminfo dimms[4];
|
||||||
|
u8 spd_map[4];
|
||||||
|
|
||||||
|
u8 nodll;
|
||||||
|
u8 async;
|
||||||
|
u8 dt0mode;
|
||||||
|
u8 mvco4x; /* 0 (8x) or 1 (4x) */
|
||||||
|
};
|
||||||
|
|
||||||
|
void pineview_early_initialization(void);
|
||||||
|
u32 decode_igd_memory_size(const u32 gms);
|
||||||
|
u32 decode_igd_gtt_size(const u32 gsm);
|
||||||
|
u8 decode_pciebar(u32 *const base, u32 *const len);
|
||||||
|
|
||||||
/* provided by mainboard code */
|
/* provided by mainboard code */
|
||||||
void setup_ich7_gpios(void);
|
void setup_ich7_gpios(void);
|
||||||
|
|
||||||
|
struct acpi_rsdp;
|
||||||
|
unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp);
|
||||||
|
|
||||||
#endif /* NORTHBRIDGE_INTEL_PINEVIEW_H */
|
#endif /* NORTHBRIDGE_INTEL_PINEVIEW_H */
|
||||||
|
|
|
||||||
|
|
@ -14,45 +14,83 @@
|
||||||
* GNU General Public License for more details.
|
* GNU General Public License for more details.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/* Use simple device model for this file even in ramstage */
|
|
||||||
#define __SIMPLE_DEVICE__
|
#define __SIMPLE_DEVICE__
|
||||||
|
|
||||||
#include <arch/io.h>
|
#include <arch/io.h>
|
||||||
|
#include <device/device.h>
|
||||||
|
#include <device/pci_def.h>
|
||||||
|
#include <console/console.h>
|
||||||
#include <cbmem.h>
|
#include <cbmem.h>
|
||||||
#include <northbridge/intel/pineview/pineview.h>
|
#include <northbridge/intel/pineview/pineview.h>
|
||||||
|
|
||||||
static void *find_ramtop(void)
|
u8 decode_pciebar(u32 *const base, u32 *const len)
|
||||||
{
|
{
|
||||||
uint32_t tom;
|
*base = 0;
|
||||||
|
*len = 0;
|
||||||
|
const pci_devfn_t dev = PCI_DEV(0,0,0);
|
||||||
|
u32 pciexbar = 0;
|
||||||
|
u32 pciexbar_reg;
|
||||||
|
u32 reg32;
|
||||||
|
int max_buses;
|
||||||
|
const struct {
|
||||||
|
u16 num_buses;
|
||||||
|
u32 addr_mask;
|
||||||
|
} busmask[] = {
|
||||||
|
{256, 0xf0000000},
|
||||||
|
{128, 0xf8000000},
|
||||||
|
{64, 0xfc000000},
|
||||||
|
{0, 0},
|
||||||
|
};
|
||||||
|
|
||||||
if (pci_read_config8(PCI_DEV(0, 0x0, 0), DEVEN) & (DEVEN_D2F0 | DEVEN_D2F1)) {
|
if (!dev)
|
||||||
/* IGD enabled, get top of Memory from BSM register */
|
return 0;
|
||||||
tom = pci_read_config32(PCI_DEV(0,2,0), BSM);
|
|
||||||
} else
|
|
||||||
tom = (pci_read_config8(PCI_DEV(0,0,0), TOLUD) & 0xf7) << 24;
|
|
||||||
|
|
||||||
/* if TSEG enabled subtract size */
|
pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
|
||||||
switch(pci_read_config8(PCI_DEV(0, 0, 0), ESMRAM) & 0x07) {
|
|
||||||
case 0x01:
|
// MMCFG not supported or not enabled.
|
||||||
/* 1MB TSEG */
|
if (!(pciexbar_reg & (1 << 0))) {
|
||||||
tom -= 0x100000;
|
printk(BIOS_WARNING, "WARNING: MMCONF not set\n");
|
||||||
break;
|
return 0;
|
||||||
case 0x03:
|
|
||||||
/* 2MB TSEG */
|
|
||||||
tom -= 0x200000;
|
|
||||||
break;
|
|
||||||
case 0x05:
|
|
||||||
/* 8MB TSEG */
|
|
||||||
tom -= 0x800000;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
/* TSEG either disabled or invalid */
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return (void *)tom;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void *cbmem_top(void)
|
reg32 = (pciexbar_reg >> 1) & 3;
|
||||||
|
pciexbar = pciexbar_reg & busmask[reg32].addr_mask;
|
||||||
|
max_buses = busmask[reg32].num_buses;
|
||||||
|
|
||||||
|
if (!pciexbar) {
|
||||||
|
printk(BIOS_WARNING, "WARNING: pciexbar invalid\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
*base = pciexbar;
|
||||||
|
*len = max_buses << 20;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Decodes used Graphics Mode Select (GMS) to kilobytes. */
|
||||||
|
u32 decode_igd_memory_size(const u32 gms)
|
||||||
{
|
{
|
||||||
return find_ramtop();
|
const u32 gmssize[] = {
|
||||||
|
0, 1, 4, 8, 16, 32, 48, 64, 128, 256
|
||||||
|
};
|
||||||
|
|
||||||
|
if (gms > 9) {
|
||||||
|
printk(BIOS_DEBUG, "Bad Graphics Mode Select (GMS) value.\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
return gmssize[gms] << 10;
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Decodes used Graphics Stolen Memory (GSM) to kilobytes. */
|
||||||
|
u32 decode_igd_gtt_size(const u32 gsm)
|
||||||
|
{
|
||||||
|
const u8 gsmsize[] = {
|
||||||
|
0, 1, 0, 0,
|
||||||
|
};
|
||||||
|
|
||||||
|
if (gsm > 3) {
|
||||||
|
printk(BIOS_DEBUG, "Bad Graphics Stolen Memory (GSM) value.\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
return (u32)(gsmsize[gsm] << 10);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
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Reference in New Issue