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authorTobias Diedrich <ranma+coreboot@tdiedrich.de>2017-12-10 18:29:41 +0100
committerFelix Held <felix-coreboot@felixheld.de>2018-01-07 01:59:42 +0000
commit4f512dba5f02ae306277ac50b6ef0c13c45d012b (patch)
tree2c4703ed128dfb59d485d6ebb444c87d7daeb4ac /src/superio/nuvoton/nct6776
parent1a14375a8830ec1521fca1eec4047ee14cc25d15 (diff)
downloadcoreboot-4f512dba5f02ae306277ac50b6ef0c13c45d012b.tar.xz
nuvoton/nct6776: Add ACPI declarations
Add ACPI declarations to be incorporated into ACPI tables for mainboards with this super I/O. Tested on Intel NUC DCP847SKE, Linux 4.13.14. Change-Id: Idb76b2e99e90a213e2695efc1afd4fa9069c134f Signed-off-by: Tobias Diedrich <ranma+coreboot@tdiedrich.de> Reviewed-on: https://review.coreboot.org/22808 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/superio/nuvoton/nct6776')
-rw-r--r--src/superio/nuvoton/nct6776/acpi/superio.asl167
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
+}