2017-05-16 02:55:11 +02:00
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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) 2015-2016 Advanced Micro Devices, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of 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/io.h>
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#include <arch/acpi.h>
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#include <arch/acpigen.h>
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#include <cbmem.h>
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#include <chip.h>
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#include <console/console.h>
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#include <cpu/amd/mtrr.h>
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2017-11-03 19:14:25 +01:00
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#include <cpu/amd/amdfam15.h>
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2017-05-16 02:55:11 +02:00
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#include <cpu/cpu.h>
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2017-11-02 16:49:30 +01:00
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#include <cpu/x86/lapic_def.h>
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2017-09-21 02:01:41 +02:00
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#include <cpu/x86/msr.h>
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2017-05-16 02:55:11 +02:00
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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2017-12-09 00:53:29 +01:00
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#include <amdblocks/agesawrapper.h>
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#include <amdblocks/agesawrapper_call.h>
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2017-05-16 02:55:11 +02:00
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#include <soc/northbridge.h>
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2017-11-02 16:49:30 +01:00
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#include <soc/southbridge.h>
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2017-09-01 17:54:48 +02:00
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#include <soc/pci_devs.h>
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2017-05-16 02:55:11 +02:00
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct dram_base_mask {
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2017-06-15 20:17:38 +02:00
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u32 base; /* [47:27] at [28:8] */
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u32 mask; /* [47:27] at [28:8] and enable at bit 0 */
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2017-05-16 02:55:11 +02:00
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} dram_base_mask_t;
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2017-09-01 17:54:48 +02:00
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static dram_base_mask_t get_dram_base_mask(void)
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2017-05-16 02:55:11 +02:00
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{
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2017-09-01 17:54:48 +02:00
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device_t dev = dev_find_slot(0, ADDR_DEVFN);
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2017-05-16 02:55:11 +02:00
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dram_base_mask_t d;
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u32 temp;
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2017-06-15 20:17:38 +02:00
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/* [39:24] at [31:16] */
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2017-09-01 17:54:48 +02:00
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temp = pci_read_config32(dev, 0x44);
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2017-06-15 20:17:38 +02:00
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/* mask out DramMask [26:24] too */
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d.mask = ((temp & 0xfff80000) >> (8 + 3));
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/* [47:40] at [7:0] */
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2017-09-01 17:54:48 +02:00
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temp = pci_read_config32(dev, 0x144) & 0xff;
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2017-05-16 02:55:11 +02:00
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d.mask |= temp << 21;
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2017-06-15 20:17:38 +02:00
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2017-09-01 17:54:48 +02:00
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temp = pci_read_config32(dev, 0x40);
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2017-06-15 20:17:38 +02:00
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d.mask |= (temp & 1); /* enable bit */
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d.base = ((temp & 0xfff80000) >> (8 + 3));
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2017-09-01 17:54:48 +02:00
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temp = pci_read_config32(dev, 0x140) & 0xff;
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2017-05-16 02:55:11 +02:00
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d.base |= temp << 21;
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return d;
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}
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static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg,
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u32 io_min, u32 io_max)
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{
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u32 tempreg;
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2017-09-01 17:54:48 +02:00
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device_t addr_map = dev_find_slot(0, ADDR_DEVFN);
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2017-06-15 20:17:38 +02:00
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/* io range allocation. Limit */
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tempreg = (nodeid & 0xf) | ((nodeid & 0x30) << (8 - 4)) | (linkn << 4)
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| ((io_max & 0xf0) << (12 - 4));
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2017-09-01 17:54:48 +02:00
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pci_write_config32(addr_map, reg + 4, tempreg);
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2017-06-15 20:17:38 +02:00
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tempreg = 3 | ((io_min & 0xf0) << (12 - 4)); /* base: ISA and VGA ? */
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2017-09-01 17:54:48 +02:00
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pci_write_config32(addr_map, reg, tempreg);
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2017-05-16 02:55:11 +02:00
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}
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2017-06-15 20:17:38 +02:00
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static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index,
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u32 mmio_min, u32 mmio_max)
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2017-05-16 02:55:11 +02:00
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{
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u32 tempreg;
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2017-09-01 17:54:48 +02:00
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device_t addr_map = dev_find_slot(0, ADDR_DEVFN);
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2017-06-15 20:17:38 +02:00
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/* io range allocation. Limit */
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tempreg = (nodeid & 0xf) | (linkn << 4) | (mmio_max & 0xffffff00);
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2017-09-01 17:54:48 +02:00
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pci_write_config32(addr_map, reg + 4, tempreg);
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2017-05-16 02:55:11 +02:00
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tempreg = 3 | (nodeid & 0x30) | (mmio_min & 0xffffff00);
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2017-09-01 17:54:48 +02:00
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pci_write_config32(addr_map, reg, tempreg);
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2017-05-16 02:55:11 +02:00
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}
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static void read_resources(device_t dev)
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{
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/*
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* This MMCONF resource must be reserved in the PCI domain.
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* It is not honored by the coreboot resource allocator if it is in
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* the CPU_CLUSTER.
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*/
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2017-11-03 19:14:25 +01:00
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mmconf_resource(dev, MMIO_CONF_BASE);
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2017-05-16 02:55:11 +02:00
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}
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static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
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{
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resource_t rbase, rend;
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2017-06-15 20:17:38 +02:00
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unsigned int reg, link_num;
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2017-05-16 02:55:11 +02:00
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char buf[50];
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/* Make certain the resource has actually been set */
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if (!(resource->flags & IORESOURCE_ASSIGNED))
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return;
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/* If I have already stored this resource don't worry about it */
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if (resource->flags & IORESOURCE_STORED)
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return;
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/* Only handle PCI memory and IO resources */
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if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
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return;
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/* Ensure I am actually looking at a resource of function 1 */
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if ((resource->index & 0xffff) < 0x1000)
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return;
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/* Get the base address */
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rbase = resource->base;
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/* Get the limit (rounded up) */
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rend = resource_end(resource);
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/* Get the register and link */
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2017-06-15 20:17:38 +02:00
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reg = resource->index & 0xfff; /* 4k */
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2017-05-16 02:55:11 +02:00
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link_num = IOINDEX_LINK(resource->index);
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2017-06-15 20:17:38 +02:00
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if (resource->flags & IORESOURCE_IO)
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2017-05-16 02:55:11 +02:00
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set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8);
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2017-06-15 20:17:38 +02:00
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else if (resource->flags & IORESOURCE_MEM)
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set_mmio_addr_reg(nodeid, link_num, reg,
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(resource->index >> 24), rbase >> 8, rend >> 8);
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2017-05-16 02:55:11 +02:00
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resource->flags |= IORESOURCE_STORED;
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snprintf(buf, sizeof(buf), " <node %x link %x>",
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nodeid, link_num);
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report_resource_stored(dev, resource, buf);
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}
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/**
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* I tried to reuse the resource allocation code in set_resource()
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* but it is too difficult to deal with the resource allocation magic.
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*/
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static void create_vga_resource(device_t dev)
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{
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struct bus *link;
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/* find out which link the VGA card is connected,
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* we only deal with the 'first' vga card */
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2017-06-15 20:17:38 +02:00
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for (link = dev->link_list ; link ; link = link->next)
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2017-05-16 02:55:11 +02:00
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if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA)
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break;
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/* no VGA card installed */
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if (link == NULL)
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return;
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2017-09-06 18:46:36 +02:00
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printk(BIOS_DEBUG, "VGA: %s has VGA device\n", dev_path(dev));
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2017-09-01 17:54:48 +02:00
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/* Route A0000-BFFFF, IO 3B0-3BB 3C0-3DF */
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pci_write_config32(dev_find_slot(0, ADDR_DEVFN), 0xf4, 1);
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2017-05-16 02:55:11 +02:00
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}
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static void set_resources(device_t dev)
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{
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struct bus *bus;
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struct resource *res;
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/* do we need this? */
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create_vga_resource(dev);
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/* Set each resource we have found */
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2017-06-15 20:17:38 +02:00
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for (res = dev->resource_list ; res ; res = res->next)
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2017-05-16 02:55:11 +02:00
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set_resource(dev, res, 0);
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2017-06-15 20:17:38 +02:00
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for (bus = dev->link_list ; bus ; bus = bus->next)
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if (bus->children)
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2017-05-16 02:55:11 +02:00
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assign_resources(bus);
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}
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static void northbridge_init(struct device *dev)
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{
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}
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static unsigned long acpi_fill_hest(acpi_hest_t *hest)
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{
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void *addr, *current;
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/* Skip the HEST header. */
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current = (void *)(hest + 1);
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addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE);
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if (addr != NULL)
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2017-06-15 20:17:38 +02:00
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current += acpi_create_hest_error_source(hest, current, 0,
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(void *)((u32)addr + 2), *(UINT16 *)addr - 2);
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2017-05-16 02:55:11 +02:00
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addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC);
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if (addr != NULL)
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2017-06-15 20:17:38 +02:00
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current += acpi_create_hest_error_source(hest, current, 1,
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(void *)((u32)addr + 2), *(UINT16 *)addr - 2);
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2017-05-16 02:55:11 +02:00
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return (unsigned long)current;
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}
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static void northbridge_fill_ssdt_generator(device_t device)
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{
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msr_t msr;
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char pscope[] = "\\_SB.PCI0";
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acpigen_write_scope(pscope);
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msr = rdmsr(TOP_MEM);
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acpigen_write_name_dword("TOM1", msr.lo);
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msr = rdmsr(TOP_MEM2);
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/*
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* Since XP only implements parts of ACPI 2.0, we can't use a qword
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* here.
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* See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt
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* slide 22ff.
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* Shift value right by 20 bit to make it fit into 32bit,
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* giving us 1MB granularity and a limit of almost 4Exabyte of memory.
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*/
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acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
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acpigen_pop_len();
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}
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static unsigned long agesa_write_acpi_tables(device_t device,
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unsigned long current,
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acpi_rsdp_t *rsdp)
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{
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acpi_srat_t *srat;
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acpi_slit_t *slit;
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acpi_header_t *ssdt;
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acpi_header_t *alib;
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acpi_header_t *ivrs;
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acpi_hest_t *hest;
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/* HEST */
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current = ALIGN(current, 8);
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hest = (acpi_hest_t *)current;
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acpi_write_hest((void *)current, acpi_fill_hest);
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acpi_add_table(rsdp, (void *)current);
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current += ((acpi_header_t *)current)->length;
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current = ALIGN(current, 8);
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printk(BIOS_DEBUG, "ACPI: * IVRS at %lx\n", current);
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ivrs = agesawrapper_getlateinitptr(PICK_IVRS);
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if (ivrs != NULL) {
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memcpy((void *)current, ivrs, ivrs->length);
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2017-06-15 20:17:38 +02:00
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ivrs = (acpi_header_t *)current;
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2017-05-16 02:55:11 +02:00
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current += ivrs->length;
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acpi_add_table(rsdp, ivrs);
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} else {
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printk(BIOS_DEBUG, " AGESA IVRS table NULL. Skipping.\n");
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}
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/* SRAT */
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current = ALIGN(current, 8);
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printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
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2017-06-15 20:17:38 +02:00
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srat = (acpi_srat_t *)agesawrapper_getlateinitptr(PICK_SRAT);
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2017-05-16 02:55:11 +02:00
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if (srat != NULL) {
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memcpy((void *)current, srat, srat->header.length);
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2017-06-15 20:17:38 +02:00
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srat = (acpi_srat_t *)current;
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2017-05-16 02:55:11 +02:00
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current += srat->header.length;
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acpi_add_table(rsdp, srat);
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} else {
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printk(BIOS_DEBUG, " AGESA SRAT table NULL. Skipping.\n");
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}
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/* SLIT */
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current = ALIGN(current, 8);
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printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
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2017-06-15 20:17:38 +02:00
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slit = (acpi_slit_t *)agesawrapper_getlateinitptr(PICK_SLIT);
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2017-05-16 02:55:11 +02:00
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if (slit != NULL) {
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memcpy((void *)current, slit, slit->header.length);
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2017-06-15 20:17:38 +02:00
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slit = (acpi_slit_t *)current;
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2017-05-16 02:55:11 +02:00
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current += slit->header.length;
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acpi_add_table(rsdp, slit);
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} else {
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printk(BIOS_DEBUG, " AGESA SLIT table NULL. Skipping.\n");
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}
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/* ALIB */
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current = ALIGN(current, 16);
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printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current);
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2017-06-15 20:17:38 +02:00
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alib = (acpi_header_t *)agesawrapper_getlateinitptr(PICK_ALIB);
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2017-05-16 02:55:11 +02:00
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if (alib != NULL) {
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memcpy((void *)current, alib, alib->length);
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2017-06-15 20:17:38 +02:00
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alib = (acpi_header_t *)current;
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2017-05-16 02:55:11 +02:00
|
|
|
current += alib->length;
|
|
|
|
acpi_add_table(rsdp, (void *)alib);
|
2017-06-15 20:17:38 +02:00
|
|
|
} else {
|
|
|
|
printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL."
|
|
|
|
" Skipping.\n");
|
2017-05-16 02:55:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
current = ALIGN(current, 16);
|
|
|
|
printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
|
2017-06-15 20:17:38 +02:00
|
|
|
ssdt = (acpi_header_t *)agesawrapper_getlateinitptr(PICK_PSTATE);
|
2017-05-16 02:55:11 +02:00
|
|
|
if (ssdt != NULL) {
|
|
|
|
memcpy((void *)current, ssdt, ssdt->length);
|
2017-06-15 20:17:38 +02:00
|
|
|
ssdt = (acpi_header_t *)current;
|
2017-05-16 02:55:11 +02:00
|
|
|
current += ssdt->length;
|
2017-06-15 20:17:38 +02:00
|
|
|
} else {
|
2017-05-16 02:55:11 +02:00
|
|
|
printk(BIOS_DEBUG, " AGESA PState table NULL. Skipping.\n");
|
|
|
|
}
|
2017-06-15 20:17:38 +02:00
|
|
|
acpi_add_table(rsdp, ssdt);
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
|
|
|
|
return current;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct device_operations northbridge_operations = {
|
|
|
|
.read_resources = read_resources,
|
|
|
|
.set_resources = set_resources,
|
|
|
|
.enable_resources = pci_dev_enable_resources,
|
|
|
|
.init = northbridge_init,
|
|
|
|
.acpi_fill_ssdt_generator = northbridge_fill_ssdt_generator,
|
|
|
|
.write_acpi_tables = agesa_write_acpi_tables,
|
|
|
|
.enable = 0,
|
|
|
|
.ops_pci = 0,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct pci_driver family15_northbridge __pci_driver = {
|
|
|
|
.ops = &northbridge_operations,
|
|
|
|
.vendor = PCI_VENDOR_ID_AMD,
|
|
|
|
.device = PCI_DEVICE_ID_AMD_15H_MODEL_707F_NB_HT,
|
|
|
|
};
|
|
|
|
|
2017-11-02 16:49:30 +01:00
|
|
|
/*
|
|
|
|
* Enable VGA cycles. Set memory ranges of the FCH legacy devices (TPM, HPET,
|
|
|
|
* BIOS RAM, Watchdog Timer, IOAPIC and ACPI) as non-posted. Set remaining
|
|
|
|
* MMIO to posted. Route all I/O to the southbridge.
|
|
|
|
*/
|
|
|
|
void amd_initcpuio(void)
|
|
|
|
{
|
|
|
|
uintptr_t topmem = bsp_topmem();
|
|
|
|
uintptr_t base, limit;
|
|
|
|
|
|
|
|
/* Enable legacy video routing: D18F1xF4 VGA Enable */
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, D18F1_VGAEN, VGA_ADDR_ENABLE);
|
|
|
|
|
|
|
|
/* Non-posted: range(HPET-LAPIC) or 0xfed00000 through 0xfee00000-1 */
|
|
|
|
base = (HPET_BASE_ADDRESS >> 8) | MMIO_WE | MMIO_RE;
|
|
|
|
limit = (ALIGN_DOWN(LOCAL_APIC_ADDR - 1, 64 * KiB) >> 8) | MMIO_NP;
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_MMIO_LIMIT_LO(0), limit);
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_MMIO_BASE_LO(0), base);
|
|
|
|
|
|
|
|
/* Remaining PCI hole posted MMIO: TOM-HPET (TOM through 0xfed00000-1 */
|
|
|
|
base = (topmem >> 8) | MMIO_WE | MMIO_RE;
|
|
|
|
limit = ALIGN_DOWN(HPET_BASE_ADDRESS - 1, 64 * KiB) >> 8;
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_MMIO_LIMIT_LO(1), limit);
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_MMIO_BASE_LO(1), base);
|
|
|
|
|
|
|
|
/* Route all I/O downstream */
|
|
|
|
base = 0 | IO_WE | IO_RE;
|
|
|
|
limit = ALIGN_DOWN(0xffff, 4 * KiB);
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_IO_LIMIT(0), limit);
|
|
|
|
pci_write_config32(SOC_ADDR_DEV, NB_IO_BASE(0), base);
|
|
|
|
}
|
|
|
|
|
2017-05-16 02:55:11 +02:00
|
|
|
void fam15_finalize(void *chip_info)
|
|
|
|
{
|
|
|
|
device_t dev;
|
|
|
|
u32 value;
|
2017-10-19 19:45:30 +02:00
|
|
|
dev = dev_find_slot(0, GNB_DEVFN); /* clear IoapicSbFeatureEn */
|
2017-06-15 20:17:38 +02:00
|
|
|
pci_write_config32(dev, 0xf8, 0);
|
|
|
|
pci_write_config32(dev, 0xfc, 5); /* TODO: move it to dsdt.asl */
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
/* disable No Snoop */
|
2017-10-19 19:45:30 +02:00
|
|
|
dev = dev_find_slot(0, HDA0_DEVFN);
|
2017-05-16 02:55:11 +02:00
|
|
|
value = pci_read_config32(dev, 0x60);
|
|
|
|
value &= ~(1 << 11);
|
|
|
|
pci_write_config32(dev, 0x60, value);
|
|
|
|
}
|
|
|
|
|
|
|
|
void domain_read_resources(device_t dev)
|
|
|
|
{
|
2017-06-15 20:17:38 +02:00
|
|
|
unsigned int reg;
|
2017-09-01 17:54:48 +02:00
|
|
|
device_t addr_map = dev_find_slot(0, ADDR_DEVFN);
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
/* Find the already assigned resource pairs */
|
2017-06-15 20:17:38 +02:00
|
|
|
for (reg = 0x80 ; reg <= 0xd8 ; reg += 0x08) {
|
2017-05-16 02:55:11 +02:00
|
|
|
u32 base, limit;
|
2017-09-01 17:54:48 +02:00
|
|
|
base = pci_read_config32(addr_map, reg);
|
|
|
|
limit = pci_read_config32(addr_map, reg + 4);
|
2017-05-16 02:55:11 +02:00
|
|
|
/* Is this register allocated? */
|
|
|
|
if ((base & 3) != 0) {
|
2017-06-15 20:17:38 +02:00
|
|
|
unsigned int nodeid, reg_link;
|
2017-09-01 17:54:48 +02:00
|
|
|
device_t reg_dev = dev_find_slot(0, HT_DEVFN);
|
2017-06-15 20:17:38 +02:00
|
|
|
if (reg < 0xc0) /* mmio */
|
2017-05-16 02:55:11 +02:00
|
|
|
nodeid = (limit & 0xf) + (base & 0x30);
|
2017-06-15 20:17:38 +02:00
|
|
|
else /* io */
|
2017-05-16 02:55:11 +02:00
|
|
|
nodeid = (limit & 0xf) + ((base >> 4) & 0x30);
|
2017-06-15 20:17:38 +02:00
|
|
|
|
2017-05-16 02:55:11 +02:00
|
|
|
reg_link = (limit >> 4) & 7;
|
|
|
|
if (reg_dev) {
|
|
|
|
/* Reserve the resource */
|
|
|
|
struct resource *res;
|
2017-06-15 20:17:38 +02:00
|
|
|
res = new_resource(reg_dev,
|
|
|
|
IOINDEX(0x1000 + reg,
|
|
|
|
reg_link));
|
|
|
|
if (res)
|
2017-05-16 02:55:11 +02:00
|
|
|
res->flags = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* FIXME: do we need to check extend conf space?
|
|
|
|
I don't believe that much preset value */
|
|
|
|
|
|
|
|
pci_domain_read_resources(dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
void domain_enable_resources(device_t dev)
|
|
|
|
{
|
|
|
|
if (acpi_is_wakeup_s3())
|
2017-12-13 21:26:21 +01:00
|
|
|
do_agesawrapper(agesawrapper_fchs3laterestore,
|
|
|
|
"fchs3laterestore");
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
/* Must be called after PCI enumeration and resource allocation */
|
2017-12-13 21:26:21 +01:00
|
|
|
else
|
|
|
|
do_agesawrapper(agesawrapper_amdinitmid, "amdinitmid");
|
2017-05-16 02:55:11 +02:00
|
|
|
printk(BIOS_DEBUG, " ader - leaving domain_enable_resources.\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void domain_set_resources(device_t dev)
|
|
|
|
{
|
|
|
|
unsigned long mmio_basek;
|
|
|
|
u32 pci_tolm;
|
2017-09-06 22:59:45 +02:00
|
|
|
u32 hole;
|
2017-09-01 17:54:48 +02:00
|
|
|
int idx;
|
2017-05-16 02:55:11 +02:00
|
|
|
struct bus *link;
|
2017-09-14 01:47:31 +02:00
|
|
|
void *tseg_base;
|
|
|
|
size_t tseg_size;
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
pci_tolm = 0xffffffffUL;
|
2017-06-15 20:17:38 +02:00
|
|
|
for (link = dev->link_list ; link ; link = link->next)
|
2017-05-16 02:55:11 +02:00
|
|
|
pci_tolm = find_pci_tolm(link);
|
|
|
|
|
2017-09-06 22:59:45 +02:00
|
|
|
/* Start with alignment supportable in variable MTRR */
|
|
|
|
mmio_basek = ALIGN_DOWN(pci_tolm, 4 * KiB) / KiB;
|
2017-05-16 02:55:11 +02:00
|
|
|
|
2017-09-06 22:59:45 +02:00
|
|
|
/*
|
|
|
|
* AGESA may have programmed the memory hole and rounded down to a
|
|
|
|
* 128MB boundary. If we find it's valid, adjust mmio_basek downward
|
|
|
|
* to the hole bottom. D18F1xF0[DramHoleBase] is granular to 16MB.
|
|
|
|
*/
|
|
|
|
hole = pci_read_config32(dev_find_slot(0, ADDR_DEVFN), D18F1_DRAM_HOLE);
|
|
|
|
if (hole & DRAM_HOLE_VALID)
|
|
|
|
mmio_basek = min(mmio_basek, ALIGN_DOWN(hole, 16 * MiB) / KiB);
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
idx = 0x10;
|
2017-09-01 17:54:48 +02:00
|
|
|
dram_base_mask_t d;
|
|
|
|
resource_t basek, limitk, sizek; /* 4 1T */
|
2017-05-16 02:55:11 +02:00
|
|
|
|
2017-09-01 17:54:48 +02:00
|
|
|
d = get_dram_base_mask();
|
2017-05-16 02:55:11 +02:00
|
|
|
|
2017-09-01 17:54:48 +02:00
|
|
|
if ((d.mask & 1)) { /* if enabled... */
|
2017-06-15 20:17:38 +02:00
|
|
|
/* could overflow, we may lose 6 bit here */
|
|
|
|
basek = ((resource_t)(d.base & 0x1fffff00)) << 9;
|
|
|
|
limitk = ((resource_t)(((d.mask & ~1) + 0x000ff)
|
|
|
|
& 0x1fffff00)) << 9;
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
sizek = limitk - basek;
|
|
|
|
|
|
|
|
/* see if we need a hole from 0xa0000 to 0xbffff */
|
2017-06-15 20:17:38 +02:00
|
|
|
if ((basek < ((8 * 64) + (8 * 16))) && (sizek > ((8 * 64) +
|
|
|
|
(16 * 16)))) {
|
2017-09-01 17:54:48 +02:00
|
|
|
ram_resource(dev, idx, basek,
|
2017-06-15 20:17:38 +02:00
|
|
|
((8 * 64) + (8 * 16)) - basek);
|
2017-05-16 02:55:11 +02:00
|
|
|
idx += 0x10;
|
|
|
|
basek = (8 * 64) + (16 * 16);
|
|
|
|
sizek = limitk - ((8 * 64) + (16 * 16));
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/* split the region to accommodate pci memory space */
|
2017-06-15 20:17:38 +02:00
|
|
|
if ((basek < 4 * 1024 * 1024) && (limitk > mmio_basek)) {
|
2017-05-16 02:55:11 +02:00
|
|
|
if (basek <= mmio_basek) {
|
2017-06-15 20:17:38 +02:00
|
|
|
unsigned int pre_sizek;
|
2017-05-16 02:55:11 +02:00
|
|
|
pre_sizek = mmio_basek - basek;
|
2017-06-15 20:17:38 +02:00
|
|
|
if (pre_sizek > 0) {
|
2017-09-01 17:54:48 +02:00
|
|
|
ram_resource(dev, idx, basek,
|
2017-06-15 20:17:38 +02:00
|
|
|
pre_sizek);
|
2017-05-16 02:55:11 +02:00
|
|
|
idx += 0x10;
|
|
|
|
sizek -= pre_sizek;
|
|
|
|
}
|
|
|
|
basek = mmio_basek;
|
|
|
|
}
|
|
|
|
if ((basek + sizek) <= 4 * 1024 * 1024) {
|
|
|
|
sizek = 0;
|
2017-06-15 20:17:38 +02:00
|
|
|
} else {
|
2017-05-16 02:55:11 +02:00
|
|
|
uint64_t topmem2 = bsp_topmem2();
|
|
|
|
basek = 4 * 1024 * 1024;
|
|
|
|
sizek = topmem2 / 1024 - basek;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-09-01 17:54:48 +02:00
|
|
|
ram_resource(dev, idx, basek, sizek);
|
|
|
|
printk(BIOS_DEBUG, "node 0: mmio_basek=%08lx, basek=%08llx,"
|
|
|
|
" limitk=%08llx\n", mmio_basek, basek, limitk);
|
2017-05-16 02:55:11 +02:00
|
|
|
}
|
|
|
|
|
2017-09-20 00:26:34 +02:00
|
|
|
/* UMA is not set up yet, but infer the base & size to make cacheable */
|
|
|
|
uint32_t uma_base = restore_top_of_low_cacheable();
|
|
|
|
if (uma_base != bsp_topmem()) {
|
|
|
|
uint32_t uma_size = bsp_topmem() - uma_base;
|
|
|
|
printk(BIOS_INFO, "%s: uma size 0x%08x, memory start 0x%08x\n",
|
|
|
|
__func__, uma_size, uma_base);
|
|
|
|
reserved_ram_resource(dev, 7, uma_base / KiB, uma_size / KiB);
|
|
|
|
}
|
2017-05-16 02:55:11 +02:00
|
|
|
|
2017-06-15 20:17:38 +02:00
|
|
|
for (link = dev->link_list ; link ; link = link->next)
|
|
|
|
if (link->children)
|
2017-05-16 02:55:11 +02:00
|
|
|
assign_resources(link);
|
2017-06-15 20:17:38 +02:00
|
|
|
|
2017-05-16 02:55:11 +02:00
|
|
|
/*
|
|
|
|
* Reserve everything between A segment and 1MB:
|
|
|
|
*
|
|
|
|
* 0xa0000 - 0xbffff: legacy VGA
|
|
|
|
* 0xc0000 - 0xfffff: RAM
|
|
|
|
*/
|
|
|
|
mmio_resource(dev, 0xa0000, 0xa0000 / KiB, 0x20000 / KiB);
|
|
|
|
reserved_ram_resource(dev, 0xc0000, 0xc0000 / KiB, 0x40000 / KiB);
|
2017-09-14 01:47:31 +02:00
|
|
|
|
|
|
|
/* Reserve TSEG */
|
|
|
|
smm_region_info(&tseg_base, &tseg_size);
|
|
|
|
idx += 0x10;
|
|
|
|
reserved_ram_resource(dev, idx, (unsigned long)tseg_base/KiB,
|
|
|
|
tseg_size/KiB);
|
2017-05-16 02:55:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* Change the vendor / device IDs to match the generic VBIOS header. *
|
|
|
|
*********************************************************************/
|
|
|
|
u32 map_oprom_vendev(u32 vendev)
|
|
|
|
{
|
|
|
|
u32 new_vendev;
|
|
|
|
new_vendev =
|
2017-06-15 20:17:38 +02:00
|
|
|
((vendev >= 0x100298e0) && (vendev <= 0x100298ef)) ?
|
|
|
|
0x100298e0 : vendev;
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
if (vendev != new_vendev)
|
2017-06-15 20:17:38 +02:00
|
|
|
printk(BIOS_NOTICE, "Mapping PCI device %8x to %8x\n",
|
|
|
|
vendev, new_vendev);
|
2017-05-16 02:55:11 +02:00
|
|
|
|
|
|
|
return new_vendev;
|
|
|
|
}
|