1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 #ifndef SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H
4 #define SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H
9 void i82371eb_early_init(void);
13 /* If 'cond' is true this macro sets the bit(s) specified by 'bits' in the
14 * 'reg' variable, otherwise it clears those bits.
17 * reg16 = ONOFF(conf->ide0_enable, reg16, (1 << 5));
18 * reg16 = ONOFF(conf->ide0_enable, reg16, (FOO | BAR));
20 /* TODO: Move into some global header file? */
21 #define ONOFF(cond,reg,bits) ((cond) ? ((reg) | (bits)) : ((reg) & ~(bits)))
23 #define XBCS 0x4e /* X-Bus chip select register */
24 #define GENCFG 0xb0 /* General configuration register */
25 #define GPO2223 (1<<28) /* GPO22/23 */
26 #define RTCCFG 0xcb /* Real time clock configuration register */
27 #define RTC_POS_DECODE (1<<5)
28 #define UPPER_RAM_EN (1<<2)
29 #define RTC_ENABLE (1<<0)
32 #define IDETIM_PRI 0x40 /* IDE timing register, primary channel */
33 #define IDETIM_SEC 0x42 /* IDE timing register, secondary channel */
34 #define UDMACTL 0x48 /* Ultra DMA/33 control register */
35 #define UDMATIM 0x4a /* Ultra DMA/33 timing register */
38 #define SMBBA 0x90 /* SMBus base address */
39 #define SMBUS_IO_BASE 0x0f00
40 #define SMBHSTCFG 0xd2 /* SMBus host configuration */
42 /* Power management (ACPI) I/O ports, offset from PM_IO_BASE below */
43 #define PMSTS 0x00 /* Power Management Status */
44 #define PMEN 0x02 /* Power Management Resume Enable */
45 #define PWRBTN_EN (1<<8)
47 #define PMCNTRL 0x04 /* Power Management Control */
48 #define SUS_EN (1<<13) /* S0-S5 trigger */
49 #define SUS_TYP_MSK (7<<10)
50 #define SUS_TYP_S0 (5<<10)
51 #define SUS_TYP_S1 (4<<10)
52 #define SUS_TYP_S2 (3<<10) /* S2 may also map as 2<<10 */
53 #define SUS_TYP_S3 (1<<10)
54 #define SUS_TYP_S5 (0<<10)
56 #define PMTMR 0x08 /* Power Management Timer */
57 #define GPSTS 0x0c /* General Purpose Status */
58 #define GPEN 0x0e /* General Purpose Enable */
59 #define THRM_EN (1<<0)
60 #define PCNTRL 0x10 /* Processor control */
61 #define GLBSTS 0x18 /* Global Status */
62 #define IRQ_RSM_STS (1<<11)
63 #define EXTSMI_STS (1<<10)
64 #define GSTBY_STS (1<<8)
66 #define PM1_STS (1<<6)
67 #define APM_STS (1<<5)
68 #define DEV_STS (1<<4)
69 #define LEGACY_USB_STS (1<<1)
70 #define BIOS_STS (1<<0)
71 #define DEVSTS 0x1c /* Device Status */
72 #define GLBEN 0x20 /* Global Enable */
73 #define EXTSMI_EN (1<<10) /* EXTSMI# signal triggers SMI */
74 #define GSTBY_EN (1<<8)
75 #define BM_TRP_EN (1<<1)
76 #define BIOS_EN (1<<1) /* GBL_RLS write triggers SMI */
77 #define LEGACY_USB_EN (1<<0) /* Keyboard controller access triggers SMI */
78 #define GLBCTL 0x28 /* Global Control */
79 #define EOS (1<<16) /* End of SMI */
80 #define SMI_EN (1<<0) /* SMI enable */
81 #define DEVCTL 0x2c /* Device Control */
82 #define TRP_EN_DEV12 (1<<24) /* SMI on dev12 trap */
88 /* Power management (ACPI) PCI registers */
89 #define PMBA 0x40 /* Power management base address */
90 #define DEFAULT_PMBASE 0xe400
91 #define PM_IO_BASE DEFAULT_PMBASE
92 #define DEVRESA 0x5c /* Device resource A */
93 #define DEVRESB 0x60 /* Device resource B */
94 #define DEVRESC 0x64 /* Device resource C */
95 #define DEVRESD 0x52 /* Device resource D */
96 #define DEVRESE 0x68 /* Device resource E */
97 #define DEVRESF 0x6c /* Device resource F */
98 #define DEVRESG 0x70 /* Device resource G */
99 #define DEVRESH 0x74 /* Device resource H */
100 #define DEVRESI 0x78 /* Device resource I */
101 #define DEVRESJ 0x7c /* Device resource J */
102 #define PMREGMISC 0x80 /* Miscellaneous power management */
103 #define PMIOSE (1 << 0) /* PM I/O Space Enable */
105 /* Bit definitions */
106 #define EXT_BIOS_ENABLE_1MB (1 << 9) /* 1-Meg Extended BIOS Enable */
107 #define EXT_BIOS_ENABLE (1 << 7) /* Extended BIOS Enable */
108 #define LOWER_BIOS_ENABLE (1 << 6) /* Lower BIOS Enable */
109 #define WRITE_PROTECT_ENABLE (1 << 2) /* Write Protect Enable */
110 #define SMB_HST_EN (1 << 0) /* Host Interface Enable */
111 #define IDE_DECODE_ENABLE (1 << 15) /* IDE Decode Enable */
112 #define DTE0 (1 << 3) /* DMA Timing Enable Only, drive 0 */
113 #define DTE1 (1 << 7) /* DMA Timing Enable Only, drive 1 */
114 #define PSDE0 (1 << 0) /* Primary Drive 0 UDMA/33 */
115 #define PSDE1 (1 << 1) /* Primary Drive 1 UDMA/33 */
116 #define SSDE0 (1 << 2) /* Secondary Drive 0 UDMA/33 */
117 #define SSDE1 (1 << 3) /* Secondary Drive 1 UDMA/33 */
118 #define ISA (1 << 0) /* Select ISA */
120 #endif /* SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H */