86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <assert.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <intelblocks/cpulib.h>
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#include <soc/cpu.h>
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#include <soc/pci_devs.h>
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#include <soc/soc_util.h>
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#include <soc/util.h>
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#include <stdlib.h>
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const struct SystemMemoryMapHob *get_system_memory_map(void)
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{
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size_t hob_size;
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const uint8_t mem_hob_guid[16] = FSP_SYSTEM_MEMORYMAP_HOB_GUID;
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const struct SystemMemoryMapHob **memmap_addr;
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memmap_addr = (const struct SystemMemoryMapHob **)
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fsp_find_extension_hob_by_guid(mem_hob_guid, &hob_size);
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/* hob_size is the size of the 8-byte address not the hob data */
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assert(memmap_addr != NULL && hob_size != 0);
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/* assert the pointer to the hob is not NULL */
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assert(*memmap_addr != NULL);
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return *memmap_addr;
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}
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bool is_iio_stack_res(const STACK_RES *res)
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{
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return res->Personality == TYPE_UBOX_IIO;
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}
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uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack)
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{
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const IIO_UDS *hob = get_iio_uds();
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assert(socket < hob->SystemStatus.numCpus && stack < MAX_LOGIC_IIO_STACK);
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return hob->PlatformData.IIO_resource[socket].StackRes[stack].BusBase;
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}
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/*
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* EX: CPX-SP
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* Ports Stack Stack(HOB) IioConfigIou
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* ==========================================
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* 0 CSTACK stack 0 IOU0
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* 1A..1D PSTACKZ stack 1 IOU1
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* 2A..2D PSTACK1 stack 2 IOU2
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* 3A..3D PSTACK2 stack 4 IOU3
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*/
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int soc_get_stack_for_port(int port)
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{
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if (port == PORT_0)
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return CSTACK;
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else if (port >= PORT_1A && port <= PORT_1D)
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return PSTACK0;
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else if (port >= PORT_2A && port <= PORT_2D)
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return PSTACK1;
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else if (port >= PORT_3A && port <= PORT_3D)
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return PSTACK2;
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else
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return -1;
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}
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uint8_t soc_get_iio_ioapicid(int socket, int stack)
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{
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uint8_t ioapic_id = socket ? 0xf : 0x9;
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switch (stack) {
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case CSTACK:
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break;
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case PSTACK0:
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ioapic_id += 1;
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break;
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case PSTACK1:
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ioapic_id += 2;
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break;
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case PSTACK2:
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ioapic_id += 3;
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break;
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default:
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return 0xff;
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}
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return ioapic_id;
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}
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