xref: /aosp_15_r20/external/coreboot/src/soc/amd/common/block/include/amdblocks/root_complex.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef AMD_BLOCK_ROOT_COMPLEX_H
4 #define AMD_BLOCK_ROOT_COMPLEX_H
5 
6 #include <device/device.h>
7 #include <types.h>
8 
9 #define SMN_IOHC_MISC_BASE_13B1	0x13b10000
10 #define SMN_IOHC_MISC_BASE_13C1	0x13c10000
11 #define SMN_IOHC_MISC_BASE_13D1	0x13d10000
12 #define SMN_IOHC_MISC_BASE_13E1	0x13e10000
13 
14 #define NON_PCI_RES_IDX_AUTO	0
15 
16 struct non_pci_mmio_reg {
17 	uint32_t iohc_misc_offset;
18 	uint64_t mask;
19 	uint64_t size;
20 	unsigned long res_idx; /* Use NON_PCI_RES_IDX_AUTO or a specific resource index */
21 };
22 
23 void read_non_pci_resources(struct device *domain, unsigned long *idx);
24 
25 void read_soc_memmap_resources(struct device *domain, unsigned long *idx);
26 
27 uint32_t get_iohc_misc_smn_base(struct device *domain);
28 const struct non_pci_mmio_reg *get_iohc_non_pci_mmio_regs(size_t *count);
29 
30 signed int get_iohc_fabric_id(struct device *domain);
31 
32 void read_fsp_resources(struct device *dev, unsigned long *idx);
33 
34 void amd_pci_domain_init(struct device *domain);
35 
36 #endif /* AMD_BLOCK_ROOT_COMPLEX_H */
37