xref: /aosp_15_r20/external/coreboot/src/soc/intel/common/block/include/intelblocks/p2sblib.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef SOC_INTEL_COMMON_BLOCK_P2SBLIB_H
4 #define SOC_INTEL_COMMON_BLOCK_P2SBLIB_H
5 
6 #include <stdint.h>
7 
8 /* P2SB generic configuration register */
9 #define P2SBC		0xe0
10 #define P2SBC_HIDE_BIT	(1 << 0)
11 
12 void p2sb_dev_enable_bar(pci_devfn_t dev, uint64_t bar);
13 bool p2sb_dev_is_hidden(pci_devfn_t dev);
14 void p2sb_dev_unhide(pci_devfn_t dev);
15 void p2sb_dev_hide(pci_devfn_t dev);
16 uint32_t p2sb_dev_sbi_read(pci_devfn_t dev, uint8_t pid, uint16_t reg);
17 void p2sb_dev_sbi_write(pci_devfn_t dev, uint8_t pid, uint16_t reg, uint32_t val);
18 
19 #endif	/* SOC_INTEL_COMMON_BLOCK_P2SBLIB_H */
20