1c39bccf72
TEST=Build and boot on intel/archercity CRB Change-Id: I84f07c16e24e441a885144df8c805f1310acae29 Signed-off-by: Shuo Liu <shuo.liu@intel.com> Co-authored-by: Ziang Wang <ziang.wang@intel.com> Co-authored-by: Gang Chen <gang.c.chen@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81439 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci_ops.h>
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#include <device/pci.h>
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#include <device/pciexp.h>
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#include <soc/numa.h>
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#include <soc/soc_util.h>
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#include <soc/util.h>
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#include <types.h>
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void dump_pds(void)
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{
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printk(BIOS_DEBUG, "====== Proximity Domain Dump ======\n");
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printk(BIOS_DEBUG, "number of proximity domains: %d\n", pds.num_pds);
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for (uint8_t i = 0; i < pds.num_pds; i++) {
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printk(BIOS_DEBUG, "\tproximity domain %d:\n", i);
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printk(BIOS_DEBUG, "\t\ttype:%d\n", pds.pds[i].pd_type);
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printk(BIOS_DEBUG, "\t\tsocket_bitmap:0x%x\n", pds.pds[i].socket_bitmap);
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printk(BIOS_DEBUG, "\t\tdevice:%s\n", pds.pds[i].dev ? dev_path(pds.pds[i].dev) : "");
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printk(BIOS_DEBUG, "\t\tbase(64MB):0x%x\n", pds.pds[i].base);
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printk(BIOS_DEBUG, "\t\tsize(64MB):0x%x\n", pds.pds[i].size);
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}
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}
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void fill_pds(void)
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{
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uint8_t num_sockets = soc_get_num_cpus();
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uint8_t num_cxlnodes = get_cxl_node_count();
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const IIO_UDS *hob = get_iio_uds();
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/*
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* Rules/assumptions:
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* 1. Each processor has a processor proximity domain regardless whether
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* a processor has DIMM attached to it or not.
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* 2. All system memory map elements are either from processor attached memory,
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* or from CXL memory. Each CXL node info entry has a corresponding entry
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* in system memory map elements.
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* 3. Each CXL device may have multiple HDMs (Host-managed Device Memory). Each
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* HDM has one and only one CXL node info entry. Each CXL node info entry
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* represents a generic initiator proximity domain.
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*/
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pds.num_pds = num_cxlnodes + num_sockets;
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pds.pds = xmalloc(sizeof(struct proximity_domain) * pds.num_pds);
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if (!pds.pds)
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die("%s %d out of memory.", __FILE__, __LINE__);
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memset(pds.pds, 0, sizeof(struct proximity_domain) * pds.num_pds);
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/* Fill in processor domains */
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uint8_t i, j, socket;
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for (socket = 0, i = 0; i < num_sockets; socket++) {
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if (!soc_cpu_is_enabled(socket))
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continue;
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pds.pds[i].pd_type = PD_TYPE_PROCESSOR;
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pds.pds[i].socket_bitmap = 1 << hob->PlatformData.IIO_resource[socket].SocketID;
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pds.pds[i].distances = malloc(sizeof(uint8_t) * pds.num_pds);
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if (!pds.pds[i].distances)
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die("%s %d out of memory.", __FILE__, __LINE__);
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/* hard code the distances for now, till we know how to calculate them. */
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for (j = 0; j < pds.num_pds; j++) {
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if (j == i)
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pds.pds[i].distances[j] = 0x0a;
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else
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pds.pds[i].distances[j] = 0x0e;
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}
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i++;
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}
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/* If there are no CXL nodes, we are done */
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if (num_cxlnodes == 0)
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return;
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#if CONFIG(SOC_INTEL_HAS_CXL)
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/* There are CXL nodes, fill in generic initiator domain after the processors pds */
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uint8_t skt_id, cxl_id;
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const CXL_NODE_SOCKET *cxl_hob = get_cxl_node();
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for (skt_id = 0, i = num_sockets; skt_id < MAX_SOCKET; skt_id++, i++) {
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for (cxl_id = 0; cxl_id < cxl_hob[skt_id].CxlNodeCount; ++cxl_id) {
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const CXL_NODE_INFO node = cxl_hob[skt_id].CxlNodeInfo[cxl_id];
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pds.pds[i].pd_type = PD_TYPE_GENERIC_INITIATOR;
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pds.pds[i].socket_bitmap = node.SocketBitmap;
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pds.pds[i].base = node.Address;
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pds.pds[i].size = node.Size;
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struct device *dev = pcie_find_dsn(node.SerialNumber, node.VendorId, 0);
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pds.pds[i].dev = dev;
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pds.pds[i].distances = malloc(sizeof(uint8_t) * pds.num_pds);
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if (!pds.pds[i].distances)
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die("%s %d out of memory.", __FILE__, __LINE__);
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/* hard code the distances until we know how to calculate them */
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for (j = 0; j < pds.num_pds; j++) {
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if (j == i)
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pds.pds[i].distances[j] = 0x0a;
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else
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pds.pds[i].distances[j] = 0x0e;
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}
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}
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}
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#endif
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}
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/*
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* Return the total size of memory regions in generic initiator affinity domains.
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* The size is in unit of 64MB.
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*/
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uint32_t get_generic_initiator_mem_size(void)
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{
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uint8_t i;
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uint32_t size = 0;
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for (i = 0; i < pds.num_pds; i++) {
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if (pds.pds[i].pd_type == PD_TYPE_PROCESSOR)
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continue;
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size += pds.pds[i].size;
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}
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return size;
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}
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