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MEC1632 Datasheet(PDF) 69 Page - Microchip Technology |
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MEC1632 Datasheet(HTML) 69 Page - Microchip Technology |
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69 / 636 page  2012-2018 Microchip Technology Inc. DS00001592B-page 69 MEC1632 Note 5-1 In order to avoid address conflict with the Keyboard Controller (8042) LDN 1h at legacy at LPC I/O address 60h/64h, only ACPI EC Channel 0 LDN 2h at AHB base address FF_0800h should be located at the legacy LPC I/O address 62h/66h. When operating both the Keyboard Controller (8042) and ACPI EC Channel 0 at legacy LPC I/O addresses 60h/62h/64h/66h, the Mask value in ACPI EC Channel 0 BAR should be programmed to 4h and the ACPI EC Channel 0, Byte Control EC-Register should remain 0. To utilize the ACPI EC Channel 0 in Non Legacy Operation the ACPI EC Channel 0 BAR must be placed on LPC I/O 8 byte boundary. Only bits[3:0] in the Mask field of ACPI EC Channel 0 BAR are programmable, bits[6:4] are read-only ‘000’. Note 5-2 The ACPI EC Channel 1, ACPI EC Channel 2 and ACPI EC Channel 3 (LDN 3h, 4h and 5h) can not be located at the legacy LPC I/O address 62h/66h. The ACPI EC Channel 1, ACPI EC Channel 2 and ACPI EC Channel 3 BAR’s must be placed on LPC I/O 8 byte boundaries. TABLE 5-6: BASE ADDRESS REGISTERS DEFAULT VALUES Bar EC Offset LPC Offset Reset Default LPC I/O Address Valid Frame Mask Description 360h 60h 002E_0C01h 002Eh 0 C 1 Logical Device 0Ch: LPC Interface (Configuration Port) 364h 64h 0000_0001h 0000h 0 0 1 Logical Device 00h: Mailbox Register I/F 368h 68h 0060_0104h 0000h 0 1 4 Logical Device 01h: Keyboard Controller (8042 Interface) 36Ch 6Ch 0062_0204h 0062h 0 2 4 Logical Device 02h: ACPI EC Interface 0 370h 70h 0062_0307h 0062h 0 3 7 Logical Device 03h: ACPI EC Interface 1 374h 74h 0062_0407h 0062h 0 4 7 Logical Device 04h: ACPI EC Interface 2 378h 78h 0062_0507h 0062h 0 5 7 Logical Device 05h: ACPI EC Interface 3 37Ch 7Ch 0000_0607h 0000h 0 6 7 Logical Device 06h: ACPI PM1 Interface 380h 80h 0000_0707h 0000h 0 7 7 Logical Device 07h: UART 384h 84h 0092_0800h 0092h 0 8 0 Logical Device 08h: Legacy (GATEA20) I/F 388h 88h 0000_0E04h 0000h 0 E 4 Logical Device 0Eh: Embedded Flash Interface 38Ch 8Ch 0000_0F07h 0000h 0 F 07h Logical Device 0Fh: GPSPI for Flash Interface 390h 90h 0000_100Fh 0000h 0 10h Fh Logical Device 10h. EM Interface 398h 98h 0000_2000h 0000h 0 20h 0 Logical Device 20h. BIOS Debug Port 0 39Ch 9Ch 0000_2100h 0000h 0 21h 0 Logical Device 21h. BIOS Debug Port 1 3A0h A0h 0000_111Fh 0000h 0 11h 1Fh Logical Device 11h. Real Time Clock 3B0h- 3ECh B0h - ECh 0000_0000h 0000h 0 0 0 Reserved |
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