xref: /openbmc/linux/arch/x86/include/asm/intel-mid.h (revision 2cf1c348)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Intel MID specific setup code
4  *
5  * (C) Copyright 2009, 2021 Intel Corporation
6  */
7 #ifndef _ASM_X86_INTEL_MID_H
8 #define _ASM_X86_INTEL_MID_H
9 
10 #include <linux/pci.h>
11 
12 extern int intel_mid_pci_init(void);
13 extern int intel_mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state);
14 extern pci_power_t intel_mid_pci_get_power_state(struct pci_dev *pdev);
15 
16 extern void intel_mid_pwr_power_off(void);
17 
18 #define INTEL_MID_PWR_LSS_OFFSET	4
19 #define INTEL_MID_PWR_LSS_TYPE		(1 << 7)
20 
21 extern int intel_mid_pwr_get_lss_id(struct pci_dev *pdev);
22 
23 #ifdef CONFIG_X86_INTEL_MID
24 
25 extern void intel_scu_devices_create(void);
26 extern void intel_scu_devices_destroy(void);
27 
28 #else /* !CONFIG_X86_INTEL_MID */
29 
30 static inline void intel_scu_devices_create(void) { }
31 static inline void intel_scu_devices_destroy(void) { }
32 
33 #endif /* !CONFIG_X86_INTEL_MID */
34 
35 /* Bus Select SoC Fuse value */
36 #define BSEL_SOC_FUSE_MASK		0x7
37 /* FSB 133MHz */
38 #define BSEL_SOC_FUSE_001		0x1
39 /* FSB 100MHz */
40 #define BSEL_SOC_FUSE_101		0x5
41 /* FSB 83MHz */
42 #define BSEL_SOC_FUSE_111		0x7
43 
44 #endif /* _ASM_X86_INTEL_MID_H */
45