diff options
Diffstat (limited to 'src/superio')
| -rw-r--r-- | src/superio/nuvoton/nct6776/acpi/superio.asl | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/superio/nuvoton/nct6776/acpi/superio.asl b/src/superio/nuvoton/nct6776/acpi/superio.asl new file mode 100644 index 0000000000..8e892e863a --- /dev/null +++ b/src/superio/nuvoton/nct6776/acpi/superio.asl @@ -0,0 +1,167 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Christoph Grenz <christophg+cb@grenz-bonn.de> + * Copyright (C) 2013, 2016 secunet Security Networks AG + * Copyright (C) 2017 Tobias Diedrich <ranma+coreboot@tdiedrich.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * Include this file into a mainboard's DSDT _SB device tree and it will + * expose the NCT6776 SuperIO and some of its functionality. + * + * It allows the change of IO ports, IRQs and DMA settings on logical + * devices, disabling and reenabling logical devices. + * + * LDN State + * 0x2 SP1 Implemented, untested + * 0x5 KBCK Implemented, untested + * 0x8 GPIO Implemented, untested + * 0xb HWM Implemented, untested + * + * Controllable through preprocessor defines: + * SUPERIO_DEV Device identifier for this SIO (e.g. SIO0) + * SUPERIO_PNP_BASE I/O address of the first PnP configuration register + * NCT6776_SHOW_SP1 If defined, Serial Port 1 will be exposed. + * NCT6776_SHOW_KBCK If defined, the Keyboard Controller will be exposed. + * NCT6776_SHOW_GPIO If defined, GPIO support will be exposed. + * NCT6776_SHOW_HWM If defined, the Environment Controller will be exposed. + */ + +#undef SUPERIO_CHIP_NAME +#define SUPERIO_CHIP_NAME NCT6776 +#include <superio/acpi/pnp.asl> + +#undef PNP_DEFAULT_PSC +#define PNP_DEFAULT_PSC Return (0) /* no power management */ + +Device(SUPERIO_DEV) { + Name (_HID, EisaId("PNP0A05")) + Name (_STR, Unicode("Nuvoton NCT6776 Super I/O")) + Name (_UID, SUPERIO_UID(SUPERIO_DEV,)) + + /* SuperIO configuration ports */ + OperationRegion (CREG, SystemIO, SUPERIO_PNP_BASE, 0x02) + Field (CREG, ByteAcc, NoLock, Preserve) + { + PNP_ADDR_REG, 8, + PNP_DATA_REG, 8, + } + IndexField (ADDR, DATA, ByteAcc, NoLock, Preserve) + { + Offset (0x07), + PNP_LOGICAL_DEVICE, 8, /* Logical device selector */ + + Offset (0x30), + PNP_DEVICE_ACTIVE, 1, /* Logical device activation */ + ACT1, 1, /* Logical device activation */ + ACT2, 1, /* Logical device activation */ + ACT3, 1, /* Logical device activation */ + ACT4, 1, /* Logical device activation */ + ACT5, 1, /* Logical device activation */ + ACT6, 1, /* Logical device activation */ + ACT7, 1, /* Logical device activation */ + + Offset (0x60), + PNP_IO0_HIGH_BYTE, 8, /* First I/O port base - high byte */ + PNP_IO0_LOW_BYTE, 8, /* First I/O port base - low byte */ + Offset (0x62), + PNP_IO1_HIGH_BYTE, 8, /* Second I/O port base - high byte */ + PNP_IO1_LOW_BYTE, 8, /* Second I/O port base - low byte */ + Offset (0x64), + PNP_IO2_HIGH_BYTE, 8, /* Third I/O port base - high byte */ + PNP_IO2_LOW_BYTE, 8, /* Third I/O port base - low byte */ + + Offset (0x70), + PNP_IRQ0, 8, /* First IRQ */ + Offset (0x72), + PNP_IRQ1, 8, /* Second IRQ */ + } + + Method (_CRS) + { + /* Announce the used I/O ports to the OS */ + Return (ResourceTemplate () { + IO (Decode16, SUPERIO_PNP_BASE, SUPERIO_PNP_BASE, 0x01, 0x02) + }) + } + + #undef PNP_ENTER_MAGIC_1ST + #undef PNP_ENTER_MAGIC_2ND + #undef PNP_ENTER_MAGIC_3RD + #undef PNP_ENTER_MAGIC_4TH + #undef PNP_EXIT_MAGIC_1ST + #undef PNP_EXIT_SPECIAL_REG + #undef PNP_EXIT_SPECIAL_VAL + #define PNP_ENTER_MAGIC_1ST 0x87 + #define PNP_ENTER_MAGIC_2ND 0x87 + #define PNP_EXIT_MAGIC_1ST 0xaa + #include <superio/acpi/pnp_config.asl> + +#ifdef NCT6776_SHOW_SP1 + #undef SUPERIO_UART_LDN + #undef SUPERIO_UART_DDN + #undef SUPERIO_UART_PM_REG + #undef SUPERIO_UART_PM_VAL + #undef SUPERIO_UART_PM_LDN + #define SUPERIO_UART_LDN 2 + #include <superio/acpi/pnp_uart.asl> +#endif + +#ifdef NCT6776_SHOW_KBC + #undef SUPERIO_KBC_LDN + #undef SUPERIO_KBC_PS2M + #undef SUPERIO_KBC_PS2LDN + #define SUPERIO_KBC_LDN 5 + #include <superio/acpi/pnp_kbc.asl> +#endif + +#ifdef NCT6776_SHOW_HWM + #undef SUPERIO_PNP_HID + #undef SUPERIO_PNP_LDN + #undef SUPERIO_PNP_DDN + #undef SUPERIO_PNP_PM_REG + #undef SUPERIO_PNP_PM_VAL + #undef SUPERIO_PNP_PM_LDN + #undef SUPERIO_PNP_IO0 + #undef SUPERIO_PNP_IO1 + #undef SUPERIO_PNP_IO2 + #undef SUPERIO_PNP_IRQ0 + #undef SUPERIO_PNP_IRQ1 + #undef SUPERIO_PNP_DMA + #define SUPERIO_PNP_LDN 11 + #define SUPERIO_PNP_IO0 0x08, 0x08 + #define SUPERIO_PNP_IO1 0x08, 0x08 + #define SUPERIO_PNP_IRQ0 + #include <superio/acpi/pnp_generic.asl> +#endif + +#ifdef NCT6776_SHOW_GPIO + #undef SUPERIO_PNP_HID + #undef SUPERIO_PNP_LDN + #undef SUPERIO_PNP_DDN + #undef SUPERIO_PNP_PM_REG + #undef SUPERIO_PNP_PM_VAL + #undef SUPERIO_PNP_PM_LDN + #undef SUPERIO_PNP_IO0 + #undef SUPERIO_PNP_IO1 + #undef SUPERIO_PNP_IO2 + #undef SUPERIO_PNP_IRQ0 + #undef SUPERIO_PNP_IRQ1 + #undef SUPERIO_PNP_DMA + #undef PNP_DEVICE_ACTIVE + #define PNP_DEVICE_ACTIVE ACT3 + #define SUPERIO_PNP_LDN 8 + #define SUPERIO_PNP_IO0 0x08, 0x08 + #include <superio/acpi/pnp_generic.asl> +#endif +} |