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-rw-r--r--src/superio/smsc/Makefile.inc1
-rw-r--r--src/superio/smsc/sch5545/Kconfig4
-rw-r--r--src/superio/smsc/sch5545/Makefile.inc10
-rw-r--r--src/superio/smsc/sch5545/acpi/resource_helpers.asl412
-rw-r--r--src/superio/smsc/sch5545/acpi/superio.asl589
-rw-r--r--src/superio/smsc/sch5545/sch5545.h299
-rw-r--r--src/superio/smsc/sch5545/sch5545_early_init.c179
-rw-r--r--src/superio/smsc/sch5545/sch5545_emi.c214
-rw-r--r--src/superio/smsc/sch5545/sch5545_emi.h167
-rw-r--r--src/superio/smsc/sch5545/superio.c301
10 files changed, 2176 insertions, 0 deletions
diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc
index 17bdaea6af..9442a9efde 100644
--- a/src/superio/smsc/Makefile.inc
+++ b/src/superio/smsc/Makefile.inc
@@ -16,3 +16,4 @@ subdirs-y += mec1308
subdirs-y += smscsuperio
subdirs-y += sio1036
subdirs-y += sch4037
+subdirs-y += sch5545
diff --git a/src/superio/smsc/sch5545/Kconfig b/src/superio/smsc/sch5545/Kconfig
new file mode 100644
index 0000000000..c6b9bae14a
--- /dev/null
+++ b/src/superio/smsc/sch5545/Kconfig
@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config SUPERIO_SMSC_SCH5545
+ bool
diff --git a/src/superio/smsc/sch5545/Makefile.inc b/src/superio/smsc/sch5545/Makefile.inc
new file mode 100644
index 0000000000..2a59f8f529
--- /dev/null
+++ b/src/superio/smsc/sch5545/Makefile.inc
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+bootblock-$(CONFIG_SUPERIO_SMSC_SCH5545) += sch5545_early_init.c
+romstage-$(CONFIG_SUPERIO_SMSC_SCH5545) += sch5545_early_init.c
+
+bootblock-$(CONFIG_SUPERIO_SMSC_SCH5545) += sch5545_emi.c
+romstage-$(CONFIG_SUPERIO_SMSC_SCH5545) += sch5545_emi.c
+ramstage-$(CONFIG_SUPERIO_SMSC_SCH5545) += sch5545_emi.c
+
+ramstage-$(CONFIG_SUPERIO_SMSC_SCH5545) += superio.c
diff --git a/src/superio/smsc/sch5545/acpi/resource_helpers.asl b/src/superio/smsc/sch5545/acpi/resource_helpers.asl
new file mode 100644
index 0000000000..818f470534
--- /dev/null
+++ b/src/superio/smsc/sch5545/acpi/resource_helpers.asl
@@ -0,0 +1,412 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Helper package for determining IO, DMA, IRQ location according to LDN */
+Name (DCAT, Package (0x10) {
+ 0x07, /* UARTA */
+ 0x08, /* UARTB */
+ 0x11, /* LPT */
+ 0x0B, /* Floppy */
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ One, /* KBC */
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ One, /* KBC */
+ 0xFF
+})
+
+Method (CGLD, 1, NotSerialized)
+{
+ Return (DerefOf (DCAT [Arg0]))
+}
+
+/* Return Parallel port mode*/
+Method (LPTM, 1, NotSerialized)
+{
+ ENTER_CONFIG_MODE (CGLD (Arg0))
+ Local0 = (OPT0 & 0x02)
+ EXIT_CONFIG_MODE ()
+ Return (Local0)
+}
+
+/* Device Status */
+Method (DSTA, 1, NotSerialized)
+{
+ ENTER_CONFIG_MODE (CGLD (Arg0))
+ Local0 = PNP_DEVICE_ACTIVE
+ If (Local0 == 0xFF)
+ {
+ Return (Zero)
+ }
+
+ Local0 &= One
+ If (Arg0 < 0x10)
+ {
+ IOST |= (Local0 << Arg0)
+ }
+
+ If (Local0)
+ {
+ Return (DEVICE_PRESENT_ACTIVE)
+ }
+ ElseIf ((One << Arg0) & IOST)
+ {
+ Return (DEVICE_PRESENT_INACTIVE)
+ }
+ Else
+ {
+ Return (Zero)
+ }
+
+ EXIT_CONFIG_MODE ()
+}
+
+Method (DCNT, 2, NotSerialized)
+{
+ ENTER_CONFIG_MODE (CGLD (Arg0))
+ PNP_DEVICE_ACTIVE = Arg1
+ EXIT_CONFIG_MODE ()
+}
+
+/* Resource templates for SIO LDNs */
+Name (CRS1, ResourceTemplate ()
+{
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x01,
+ 0x00,
+ _Y16)
+ IRQ (Edge, ActiveHigh, Exclusive, _Y14) {}
+ DMA (Compatibility, NotBusMaster, Transfer8, _Y15) {}
+})
+
+CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y14._INT, IRQM)
+CreateByteField (CRS1, \_SB.PCI0.LPCB.SIO1._Y15._DMA, DMAM)
+CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._MIN, IO11)
+CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._MAX, IO12)
+CreateByteField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._LEN, LEN1)
+
+Name (CRS2, ResourceTemplate ()
+{
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x01,
+ 0x00,
+ _Y19)
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x01,
+ 0x00,
+ _Y1A)
+ IRQ (Edge, ActiveHigh, Exclusive, _Y17) {}
+ DMA (Compatibility, NotBusMaster, Transfer8, _Y18) {}
+})
+
+CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y17._INT, IRQE)
+CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y18._DMA, DMAE)
+CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._MIN, IO21)
+CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._MAX, IO22)
+CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._LEN, LEN2)
+CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._MIN, IO31)
+CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._MAX, IO32)
+CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._LEN, LEN3)
+
+/* Read IO resource */
+Method (GIOB, 1, NotSerialized)
+{
+ If (CGLD (Arg0) == 0x07) /* UARTA */
+ {
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = (CR6B << 0x08)
+ Local0 |= CR6A
+ Return (Local0)
+ }
+
+ If (CGLD (Arg0) == 0x08) /* UARTB */
+ {
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = (CR6F << 0x08)
+ Local0 |= CR6E
+ Return (Local0)
+ }
+
+ If (CGLD (Arg0) == 0x11) /* LPT */
+ {
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = (CR83 << 0x08)
+ Local0 |= CR82
+ Return (Local0)
+ }
+
+ If (CGLD (Arg0) == 0x0B) /* Floppy */
+ {
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = (CR7F << 0x08)
+ Local0 |= CR7E
+ Return (Local0)
+ }
+
+ Return (Zero)
+}
+
+/* Read IRQ resource */
+Method (GIRQ, 1, NotSerialized)
+{
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = 0x0F /* 15 IRQ regs, 1 for each IRQ number */
+ While (Local0)
+ {
+ Local1 = (0x40 + Local0) /* IRQ regs begin at offset 0x40 */
+ PNP_ADDR_REG = Local1
+ Local1 = PNP_DATA_REG
+ If (CGLD (Arg0) == Local1)
+ {
+ Local1 = One
+ Local0 = (Local1 << Local0)
+ Return (Local0)
+ }
+
+ Local0--
+ }
+
+ Return (0xFF)
+}
+
+/* Read DMA resource */
+Method (GDMA, 1, NotSerialized)
+{
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = 0x03 /* Only DMA Channels 0-3 */
+ While (Local0)
+ {
+ Local1 = (Local0 << One)
+ Local1 += 0x51 /* DMA regs begin at offset 0x50 */
+ PNP_ADDR_REG = Local1
+ Local1 = PNP_DATA_REG
+ If ((0x80 | CGLD (Arg0)) == Local1)
+ {
+ Local1 = One
+ Local0 = (Local1 << Local0)
+ Return (Local0)
+ }
+
+ Local0--
+ }
+
+ Return (0xFF)
+}
+
+/* Set IO resource */
+Method (STIO, 2, NotSerialized)
+{
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ Local0 = (Arg1 & 0xFF)
+ PNP_ADDR_REG = Arg0
+ PNP_DATA_REG = Local0
+ Local0 = (Arg1 >> 0x08)
+ Local1 = (Arg0 + One)
+ PNP_ADDR_REG = Local1
+ PNP_DATA_REG = Local0
+}
+
+/* Set IRQ resource */
+Method (SIRQ, 2, NotSerialized)
+{
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ FindSetRightBit (Arg1, Local0)
+ Local0 -= One
+ Local1 = 0x0F
+ While (Local1)
+ {
+ Local2 = (0x40 + Local1)
+ PNP_ADDR_REG = Local2
+ Local3 = PNP_DATA_REG
+ If (CGLD (Arg0) == Local3)
+ {
+ If (Local0 != Local1)
+ {
+ PNP_ADDR_REG = Local2
+ PNP_DATA_REG = 0xFF
+ Break
+ }
+ Else
+ {
+ Return (Zero)
+ }
+ }
+
+ Local1--
+ }
+
+ Local0 += 0x40
+ PNP_ADDR_REG = Local0
+ PNP_DATA_REG = CGLD (Arg0)
+ Return (0xFF)
+}
+
+/* Set DMA resource */
+Method (SDMA, 2, NotSerialized)
+{
+ SWITCH_LDN (SUPERIO_LPC_LDN)
+ FindSetRightBit (Arg1, Local0)
+ Local0 -= One
+ Local1 = 0x03
+ While (Local1)
+ {
+ Local2 = (Local1 << One)
+ Local3 = (0x51 + Local2)
+ PNP_ADDR_REG = Local3
+ Local4 = PNP_DATA_REG
+ If ((0x80 | CGLD (Arg0)) == Local4)
+ {
+ If (Local0 != Local1)
+ {
+ PNP_ADDR_REG = Local3
+ PNP_DATA_REG = Zero
+ Break
+ }
+ Else
+ {
+ Return (Zero)
+ }
+ }
+
+ Local1--
+ }
+
+ Local0 <<= One
+ Local0 += 0x51
+ PNP_ADDR_REG = Local0
+ PNP_DATA_REG = (0x80 | CGLD (Arg0))
+ Return (Zero)
+}
+
+/* Device Current Resource Settings */
+Method (DCRS, 2, NotSerialized)
+{
+ If (CGLD (Arg0) == 0x07) /* UARTA resources */
+ {
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ IO11 = GIOB (Arg0)
+ IO12 = IO11
+ LEN1 = 0x08
+ IRQM = GIRQ (Arg0)
+ If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero))
+ {
+ DMAM = Zero
+ }
+ Else
+ {
+ DMAM = GDMA (Arg0)
+ }
+
+ EXIT_CONFIG_MODE ()
+ Return (CRS1)
+ }
+
+ If (CGLD (Arg0) == 0x08) /* UARTB resources */
+ {
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ IO11 = GIOB (Arg0)
+ IO12 = IO11
+ LEN1 = 0x08
+ IRQM = GIRQ (Arg0)
+ If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero))
+ {
+ DMAM = Zero
+ }
+ Else
+ {
+ DMAM = GDMA (Arg0)
+ }
+
+ EXIT_CONFIG_MODE ()
+ Return (CRS1)
+ }
+
+ If (CGLD (Arg0) == 0x11) /* LPT resources */
+ {
+ If (LPTM (Arg0))
+ {
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ IO21 = GIOB (Arg0)
+ IO22 = IO21
+ IO31 = (IO21 + 0x0400)
+ IO32 = IO31
+ If ((IO21 & 0xFF) == 0xBC)
+ {
+ LEN2 = 0x04
+ LEN3 = 0x04
+ }
+ Else
+ {
+ LEN2 = 0x08
+ LEN3 = 0x04
+ }
+
+ IRQE = GIRQ (Arg0)
+ If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero))
+ {
+ DMAM = Zero
+ }
+ Else
+ {
+ DMAE = GDMA (Arg0)
+ }
+
+ EXIT_CONFIG_MODE ()
+ Return (CRS2) /* \_SB_.PCI0.LPCB.SIO1.CRS2 */
+ }
+ Else
+ {
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ IO11 = GIOB (Arg0)
+ IO12 = IO11 /* \_SB_.PCI0.LPCB.SIO1.IO11 */
+ If ((IO11 & 0xFF) == 0xBC)
+ {
+ LEN1 = 0x04
+ }
+ Else
+ {
+ LEN1 = 0x08
+ }
+
+ IRQM = GIRQ (Arg0)
+ EXIT_CONFIG_MODE ()
+ Return (CRS1) /* \_SB_.PCI0.LPCB.SIO1.CRS1 */
+ }
+ }
+
+ If (CGLD (Arg0) == 0x0B) /* Floppy resources */
+ {
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ IO21 = GIOB (Arg0)
+ IO22 = IO21 /* \_SB_.PCI0.LPCB.SIO1.IO21 */
+ LEN2 = 0x06
+ IO31 = (IO21 + 0x07)
+ IO32 = IO31 /* \_SB_.PCI0.LPCB.SIO1.IO31 */
+ LEN3 = One
+ IRQE = GIRQ (Arg0)
+ If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero))
+ {
+ DMAM = Zero
+ }
+ Else
+ {
+ DMAE = GDMA (Arg0)
+ }
+
+ EXIT_CONFIG_MODE ()
+ Return (CRS2) /* \_SB_.PCI0.LPCB.SIO1.CRS2 */
+ }
+
+ Return (CRS1) /* \_SB_.PCI0.LPCB.SIO1.CRS1 */
+}
diff --git a/src/superio/smsc/sch5545/acpi/superio.asl b/src/superio/smsc/sch5545/acpi/superio.asl
new file mode 100644
index 0000000000..97303c29fa
--- /dev/null
+++ b/src/superio/smsc/sch5545/acpi/superio.asl
@@ -0,0 +1,589 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * Include this file into a mainboard's DSDT _SB device tree and it will
+ * expose the SCH5545 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 and controlling power
+ * saving mode on logical devices or the whole chip.
+ *
+ * LDN State
+ * 0x0 FDC Not implemented
+ * 0x3 PP Not implemented
+ * 0x4 UARTA Implemented and tested
+ * 0x5 UARTB Implemented
+ * 0x7 KBC Implemented and tested
+ *
+ * Controllable through preprocessor defines:
+ * SUPERIO_PNP_BASE I/O address of the first PnP configuration register
+ * SCH5545_SHOW_UARTA If defined, UARTA will be exposed.
+ * SCH5545_SHOW_UARTB If defined, UARTB will be exposed.
+ * SCH5545_SHOW_KBC If defined, the KBC will be exposed.
+ * SCH5545_EMI_BASE If defined, the Embedded Memory Interface resource will be exposed.
+ * SCH5545_RUNTIME_BASE If defined, The Runtime Registers resource will be exposed.
+ */
+
+#undef SUPERIO_CHIP_NAME
+#define SUPERIO_CHIP_NAME SCH5545
+#include <superio/acpi/pnp.asl>
+
+#undef PNP_DEFAULT_PSC
+#define PNP_DEFAULT_PSC Return (0) /* no power management */
+
+/*
+* Common helpers will not work on this chip. IO, DMA and IRQ resources.
+* These are accessed via LPC interface LDN 0xC.
+*/
+#undef PNP_READ_IO
+#undef PNP_READ_IRQ
+#undef PNP_READ_DMA
+#undef PNP_WRITE_IO
+#undef PNP_WRITE_IRQ
+#undef PNP_WRITE_DMA
+
+Device(SIO1) {
+ Name (_HID, EisaId("PNP0A05"))
+ Name (_STR, Unicode("SMSC SCH5545 Super I/O"))
+ Name (_UID, SUPERIO_UID(SIO1,))
+
+#ifdef SCH5545_EMI_BASE
+ Name (IO1B, SCH5545_EMI_BASE)
+#endif
+#ifdef SCH5545_RUNTIME_BASE
+ Name (IO2B, SCH5545_RUNTIME_BASE)
+#endif
+ Name (IOST, 0x0001) /* IO decoding status */
+ Name (MSFG, One) /* Mouse wake config */
+ Name (KBFG, One) /* Keyboard wake config */
+ Name (PMFG, Zero) /* Wake config */
+
+ /* SuperIO configuration ports */
+ OperationRegion (CREG, SystemIO, SUPERIO_PNP_BASE, 0x02)
+ Field (CREG, ByteAcc, NoLock, Preserve)
+ {
+ PNP_ADDR_REG, 8,
+ PNP_DATA_REG, 8
+ }
+ IndexField (PNP_ADDR_REG, PNP_DATA_REG, ByteAcc, NoLock, Preserve)
+ {
+ Offset (0x07),
+ PNP_LOGICAL_DEVICE, 8, /* Logical device selector */
+
+ Offset (0x30),
+ PNP_DEVICE_ACTIVE, 1, /* Logical device activation */
+
+ Offset (0x69),
+ CR69, 8, /* UART1 Base address Registers */
+ CR6A, 8,
+ CR6B, 8,
+ Offset (0x6D),
+ CR6D, 8, /* UART2 Base address Registers */
+ CR6E, 8,
+ CR6F, 8,
+ Offset (0x7D),
+ CR7D, 8, /* FD Base address Registers */
+ CR7E, 8,
+ CR7F, 8,
+ Offset (0x81),
+ CR81, 8, /* LPT Base address Registers */
+ CR82, 8,
+ CR83, 8,
+ Offset (0xF0),
+ OPT0, 8, /* MISC registers */
+ OPT1, 8,
+ OPT2, 8,
+ OPT3, 8,
+ OPT4, 8,
+ OPT5, 8
+ }
+
+#ifdef SCH5545_RUNTIME_BASE
+ /* Runtime registers */
+ OperationRegion (RNTR, SystemIO, SCH5545_RUNTIME_BASE, 0x40)
+ Field (RNTR, ByteAcc, NoLock, Preserve)
+ {
+ PMES, 1, /* PME Global Status */
+ Offset (0x01),
+ PMEN, 1, /* PME Global Enable */
+ Offset (0x02),
+ PMS1, 8, /* PME Status 1 for KBD and PS2M */
+ PMS2, 8, /* PME Status 2 for EC, WDT, Bat, Intruder */
+ PMS3, 8, /* PME Status 3 for GPIOs */
+ PME1, 8, /* PME Enable 1 for KBD and PS2M */
+ PME2, 8, /* PME Enable 2 for EC, WDT, Bat, Intruder */
+ PME3, 8, /* PME Enable 3 for GPIOs */
+ Offset (0x10),
+ SOIS, 1, /* SMI Global Status*/
+ Offset (0x11),
+ SOIE, 1, /* SMI Global Enable */
+ Offset (0x12),
+ SST1, 8, /* SMI Status 1 for UARTs, LPT, FD, EC, Bat */
+ SST2, 8, /* SMI Status 2 for KBD, PS2M, WDT, Intruder */
+ SST3, 8, /* SMI Status 3 for GPIOs */
+ Offset (0x16),
+ SEN1, 8, /* SMI Enable 1 for UARTs, LPT, FD, EC, Bat */
+ SEN2, 8, /* SMI Enable 2 for KBD, PS2M, WDT, Intruder */
+ SEN3, 8, /* SMI Enable 3 for GPIOs */
+ Offset (0x25),
+ LED1, 8, /* LED control register */
+ Offset (0x28),
+ GPSR, 8, /* GPIO Select Register */
+ GPRR, 8 /* GPIO Read Register */
+ }
+#endif
+ Name (CRS, ResourceTemplate ()
+ {
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x00,
+ 0x00,
+ _Y11)
+#ifdef SCH5545_EMI_BASE
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x00,
+ 0x00,
+ _Y12)
+#endif
+#ifdef SCH5545_RUNTIME_BASE
+ IO (Decode16,
+ 0x0000,
+ 0x0000,
+ 0x00,
+ 0x00,
+ _Y13)
+#endif
+ })
+ Method (_CRS, 0, NotSerialized)
+ {
+ If (SUPERIO_PNP_BASE)
+ {
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y11._MIN, GPI0)
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y11._MAX, GPI1)
+ CreateByteField (CRS, \_SB.PCI0.LPCB.SIO1._Y11._LEN, GPIL)
+ GPI0 = SUPERIO_PNP_BASE
+ GPI1 = SUPERIO_PNP_BASE
+ GPIL = 0x02
+ }
+#ifdef SCH5545_EMI_BASE
+ If (IO1B)
+ {
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y12._MIN, GP10)
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y12._MAX, GP11)
+ CreateByteField (CRS, \_SB.PCI0.LPCB.SIO1._Y12._LEN, GPL1)
+ GP10 = SCH5545_EMI_BASE
+ GP11 = SCH5545_EMI_BASE
+ GPL1 = 0x10
+ }
+#endif
+#ifdef SCH5545_RUNTIME_BASE
+ If (IO2B)
+ {
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y13._MIN, GP20)
+ CreateWordField (CRS, \_SB.PCI0.LPCB.SIO1._Y13._MAX, GP21)
+ CreateByteField (CRS, \_SB.PCI0.LPCB.SIO1._Y13._LEN, GPL2)
+ GP20 = SCH5545_RUNTIME_BASE
+ GP21 = SCH5545_RUNTIME_BASE
+ GPL2 = 0x40
+ }
+#endif
+ Return (CRS)
+ }
+
+ #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 0x55
+ #define PNP_EXIT_MAGIC_1ST 0xaa
+ #include <superio/acpi/pnp_config.asl>
+ #define SUPERIO_LPC_LDN 0x0C
+ #include "resource_helpers.asl"
+
+#ifdef SCH5545_SHOW_KBC
+ Device (PS2K)
+ {
+ Name (_HID, EisaId ("PNP0303"))
+ Name (_CID, EisaId ("PNP030B"))
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (DSTA (0xa))
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ IO (Decode16,
+ 0x0060,
+ 0x0060,
+ 0x00,
+ 0x01,
+ )
+ IO (Decode16,
+ 0x0064,
+ 0x0064,
+ 0x00,
+ 0x01,
+ )
+ IRQ (Edge, ActiveHigh, Exclusive) {1}
+ })
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0x00, 0x00)
+ {
+ FixedIO (
+ 0x0060, // Address
+ 0x01,
+ )
+ FixedIO (
+ 0x0064, // Address
+ 0x01,
+ )
+ IRQ (Edge, ActiveHigh, Exclusive) {1}
+ }
+ EndDependentFn ()
+ })
+ Method (_PSW, 1, NotSerialized) // _PSW: Power State Wake
+ {
+ KBFG = Arg0
+ }
+ Name (_PRW, Package() { 8, 3 })
+ }
+
+ Device (PS2M)
+ {
+ Name (_HID, EisaId ("PNP0F13"))
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (DSTA (0xe))
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ IRQ (Edge, ActiveHigh, Exclusive) {12}
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0x00, 0x00)
+ {
+ IRQ (Edge, ActiveHigh, Exclusive) {12}
+ }
+ EndDependentFn ()
+ })
+
+ Method (_PSW, 1, NotSerialized)
+ {
+ MSFG = Arg0
+ }
+
+ Name (_PRW, Package() { 8, 3 })
+ }
+
+ OperationRegion (IOKP, SystemIO, 0x60, 0x05)
+ Field (IOKP, ByteAcc, NoLock, Preserve)
+ {
+ KP60, 8,
+ Offset (0x04),
+ KP64, 8
+ }
+
+ OperationRegion (KB64, SystemIO, 0x64, One)
+ Field (KB64, ByteAcc, NoLock, Preserve)
+ {
+ , 1,
+ KRDY, 1,
+ Offset (0x01)
+ }
+#ifdef SCH5545_RUNTIME_BASE
+ /* SIO prepare to sleep */
+ Method (SIOS, 1, NotSerialized)
+ {
+ If ((Arg0 == 0x03) | (Arg0 == One))
+ {
+ ENTER_CONFIG_MODE (One)
+ Local0 = OPT0
+ OPT0 = (Local0 | 0x60)
+ EXIT_CONFIG_MODE ()
+ Local0 = PMS1
+ PMS1 = (Local0 | 0x18)
+ Local0 = PMES
+ PMES = (Local0 | One)
+
+ Local0 = PME1
+ If (KBFG)
+ {
+ PME1 = (Local0 | 0x08)
+ }
+ Else
+ {
+ PME1 = (Local0 & 0xF7)
+ }
+
+ Local0 = PME1
+ If (MSFG)
+ {
+ PME1 = (Local0 | 0x10)
+ }
+ Else
+ {
+ PME1 = (Local0 & 0xEF)
+ }
+
+ Local0 = PMEN
+ PMEN = (Local0 | One)
+
+ While (KRDY) {}
+ KP60 = 0xED
+ While (KRDY) {}
+ KP60 = Zero
+ While (KRDY) {}
+ KP60 = 0xF4
+ Sleep (One)
+ }
+ }
+
+ Method (GPKM, 0, NotSerialized)
+ {
+ Local0 = PME1
+ PME1 = (Local0 & 0xE7)
+ Local0 = PMEN
+ PMEN = (Local0 & 0xFE)
+ Local0 = PMS1
+ PMS1 = (Local0 & 0x18)
+ Local0 = PMES
+ PMES = (Local0 & One)
+ }
+
+ /* SIO wake method */
+ Method (SIOW, 1, NotSerialized)
+ {
+ PMFG = PMS1
+ If (Arg0 == One)
+ {
+ GPKM ()
+ ENTER_CONFIG_MODE (One)
+ Local0 = OPT0
+ OPT0 = (Local0 & 0x9F)
+ EXIT_CONFIG_MODE ()
+ }
+
+ If (Arg0 == 0x03)
+ {
+ GPKM ()
+ ENTER_CONFIG_MODE (One)
+ Local0 = OPT0
+ OPT0 = (Local0 & 0x9F)
+ OPT2 |= One
+ OPT2 &= 0xFE
+ EXIT_CONFIG_MODE ()
+ }
+ }
+
+ Method (SIOH, 0, NotSerialized)
+ {
+ If (PMFG & 0x08)
+ {
+ Notify (PS2K, 0x02) // Device Wake
+ }
+
+ If (PMFG & 0x10)
+ {
+ Notify (PS2M, 0x02) // Device Wake
+ }
+ }
+#endif // SCH5545_RUNTIME_BASE
+#endif // SCH5545_SHOW_KBC
+
+#ifdef SCH5545_SHOW_UARTA
+#define SUPERIO_UARTA_LDN 7
+ Device (UAR1)
+ {
+ Name (_HID, EisaId ("PNP0501"))
+ Name (_UID, SUPERIO_UID(SER, SUPERIO_UARTA_LDN))
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (DSTA (Zero))
+ }
+
+ Method (_DIS, 0, NotSerialized)
+ {
+ DCNT (Zero, Zero)
+ }
+
+ Method (_CRS, 0, NotSerialized)
+ {
+ Return (DCRS (Zero, Zero))
+ }
+
+ Method (_SRS, 1, NotSerialized)
+ {
+ CreateWordField (Arg0, 0x02, IO11)
+ CreateWordField (Arg0, 0x09, IRQM)
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ STIO (0x6A, IO11)
+ SIRQ (Zero, IRQM)
+ EXIT_CONFIG_MODE ()
+ DCNT (Zero, One)
+ }
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x03F8,
+ 0x03F8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {4}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x02F8,
+ 0x02F8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {3}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x03E8,
+ 0x03E8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {4}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x02E8,
+ 0x02E8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {3}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ EndDependentFn ()
+ })
+
+ Name (_PRW, Package() { 8, 3 })
+ }
+#endif
+
+#ifdef SCH5545_SHOW_UARTB
+#define SUPERIO_UARTB_LDN 8
+ Device (UAR1)
+ {
+ Name (_HID, EisaId ("PNP0501"))
+ Name (_UID, SUPERIO_UID(SER, SUPERIO_UARTB_LDN))
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (DSTA (One))
+ }
+
+ Method (_DIS, 0, NotSerialized)
+ {
+ DCNT (One, Zero)
+ }
+
+ Method (_CRS, 0, NotSerialized)
+ {
+ Return (DCRS (One, Zero))
+ }
+
+ Method (_SRS, 1, NotSerialized)
+ {
+ CreateWordField (Arg0, 0x02, IO11)
+ CreateWordField (Arg0, 0x09, IRQM)
+ ENTER_CONFIG_MODE (SUPERIO_LPC_LDN)
+ STIO (0x6E, IO11)
+ SIRQ (One, IRQM)
+ EXIT_CONFIG_MODE ()
+ DCNT (One, One)
+ }
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x03F8,
+ 0x03F8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {4}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x02F8,
+ 0x02F8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {3}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x03E8,
+ 0x03E8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {4}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ StartDependentFn (0x00, 0x00)
+ {
+ IO (Decode16,
+ 0x02E8,
+ 0x02E8,
+ 0x01,
+ 0x08,
+ )
+ IRQNoFlags ()
+ {3}
+ DMA (Compatibility, NotBusMaster, Transfer8, )
+ {}
+ }
+ EndDependentFn ()
+ })
+
+ Name (_PRW, Package() { 8, 3 })
+ }
+
+#endif
+}
diff --git a/src/superio/smsc/sch5545/sch5545.h b/src/superio/smsc/sch5545/sch5545.h
new file mode 100644
index 0000000000..464be1a106
--- /dev/null
+++ b/src/superio/smsc/sch5545/sch5545.h
@@ -0,0 +1,299 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * Based on SMSC SCH5627 datahseet:
+ * http://pdf.datasheetcatalog.com/datasheets/microchip/00001996A.pdf
+ */
+
+#ifndef SUPERIO_SCH_5545_H
+#define SUPERIO_SCH_5545_H
+
+/* LPC I/O space */
+#define SCH5545_RUNTIME_REG_BASE 0x0a00
+#define SCH5545_EMI_BASE 0x0a40
+
+/* logical devices */
+#define SCH5545_LDN_EMI 0x00
+#define SCH5545_LDN_KBC 0x01
+#define SCH5545_LDN_UART1 0x07
+#define SCH5545_LDN_UART2 0x08
+#define SCH5545_LDN_RR 0x0a /* Runtime Registers */
+#define SCH5545_LDN_FDC 0x0b
+#define SCH5545_LDN_LPC 0x0c /* LPC Interface */
+#define SCH5545_LDN_PP 0x11
+#define SCH5545_LDN_GCONF 0x3f /* Global Config */
+
+/* KBC config registers */
+#define SCH5545_KRST_GA20 0xf0
+#define SCH5545_PORT92_EN (1 << 2)
+#define SCH5545_KBD_INT_LATCH (1 << 3)
+#define SCH5545_MOUSE_INT_LATCH (1 << 4)
+#define SCH5545_KBD_ISOLATION (1 << 5)
+#define SCH5545_MOUSE_ISOLATION (1 << 6)
+#define SCH5545_KEYBOARD_SELECT 0xf1
+#define SCH5545_KBD_MOUSE_SWAP (1 << 0)
+#define SCH5545_8042_RESET 0xf2
+#define SCH5545_8042_IN_RESET (1 << 0)
+#define SCH5545_8042_OUT_RESET (0 << 0)
+
+/* UART config registers */
+#define SCH5545_UART_CONFIG_SELECT 0xf0
+#define SCH5545_UART_CLK_64MHZ_RO (0 << 0)
+#define SCH5545_UART_CLK_96MHZ_PLL (1 << 0)
+#define SCH5545_UART_POWER_VTR (0 << 1)
+#define SCH5545_UART_POWER_VCC (1 << 1)
+#define SCH5545_UART_NO_POLARITY_INVERT (0 << 2)
+#define SCH5545_UART_INVERT_POLARITY (1 << 2)
+
+/* RR config registers */
+#define SCH5545_SPEKEY 0xf0
+#define SCH5545_SPEKEY_WAKE_EN (0 << 1)
+#define SCH5545_SPEKEY_WAKE_DIS (1 << 1)
+
+/* Floppy config registers */
+#define SCH5545_FDD_MODE 0xf0
+#define SCH5545_FDD_MODE_NORMAL (0 << 0)
+#define SCH5545_FDD_MODE_ENHANCED (1 << 0)
+#define SCH5545_FDC_DMA_MODE_BURST (0 << 1)
+#define SCH5545_FDC_DMA_MODE_NON_BURST (1 << 1)
+#define SCH5545_FDD_IF_MODE_AT (3 << 2)
+#define SCH5545_FDD_IF_MODE_PS2 (1 << 2)
+#define SCH5545_FDD_IF_MODE_MODEL30 (0 << 2)
+#define SCH5545_FDC_OUTPUT_TYPE_OPEN_DRAIN (0 << 6)
+#define SCH5545_FDC_OUTPUT_TYPE_PUSH_PULL (1 << 6)
+#define SCH5545_FDC_OUTPUT_CTRL_ACTIVE (0 << 7)
+#define SCH5545_FDC_OUTPUT_CTRL_TRISTATE (1 << 7)
+#define SCH5545_FDD_OPTION 0xf1
+#define SCH5545_FDD_FORCED_WP_INACTIVE (0 << 0)
+#define SCH5545_FDD_FORCED_WP_ACTIVE (1 << 0)
+#define SCH5545_FDD_DENSITY_NORMAL (0 << 2)
+#define SCH5545_FDD_DENSITY_NORMAL_USER (1 << 2)
+#define SCH5545_FDD_DENSITY_LOGIC_ONE (2 << 2)
+#define SCH5545_FDD_DENSITY_LOGIC_ZERO (3 << 2)
+#define SCH5545_FDD_TYPE 0xf2
+#define SCH5545_FDD0 0xf4
+#define SCH5545_FDD0_TYPE_SEL_DT0 (1 << 0)
+#define SCH5545_FDD0_TYPE_SEL_DT1 (1 << 1)
+#define SCH5545_FDD0_DRT_SEL_DRT0 (1 << 3)
+#define SCH5545_FDD0_USE_PRECOMPENSATION (0 << 6)
+#define SCH5545_FDD0_NO_PRECOMPENSATION (1 << 6)
+
+/* Parallel Port config registers */
+#define SCH5545_PP_INT_SELECT 0x70
+#define SCH5545_PP_SERIRQ_CHANNEL_MASK 0xf
+#define SCH5545_PP_DMA_SELECT 0x74
+#define SCH5545_PP_DMA_CHANNEL_MASK 0x7
+#define SCH5545_PP_MODE 0xf0
+#define SCH5545_PP_MODE_PRINTER (4 << 0)
+#define SCH5545_PP_MODE_SPP (0 << 0)
+#define SCH5545_PP_MODE_EPP19_SPP (1 << 0)
+#define SCH5545_PP_MODE_EPP17_SPP (5 << 0)
+#define SCH5545_PP_MODE_ECP (2 << 0)
+#define SCH5545_PP_MODE_EPP17_ECP (3 << 0)
+#define SCH5545_PP_MODE_EPP19_ECP (7 << 0)
+#define SCH5545_PP_ECP_FIFO_TRESH_MASK (0xf << 3)
+#define SCH5545_PP_INT_PULSED_LOW (1 << 7)
+#define SCH5545_PP_INT_FOLLOWS_ACK (0 << 7)
+#define SCH5545_PP_MODE2 0xf1
+#define SCH5545_PP_TMOUT_CLEARED_ON_WRITE (0 << 4)
+#define SCH5545_PP_TMOUT_CLEARED_ON_READ (1 << 4)
+
+/* LPC IF config registers */
+#define SCH5545_IRQ_BASE 0x40
+#define SCH5545_DRQ_BASE 0x50
+/*
+ * BAR registers are 4 byte
+ * byte 0 0-6 mask, 7 reserved
+ * byte 1 0-5 frame, 6 device, 7 valid
+ * byte 2 LPC address least sig.
+ * byte 3 LPC address most sig.
+ */
+#define SCH5545_BAR_LPC_IF 0x60
+#define SCH5545_BAR_EM_IF 0x64
+#define SCH5545_BAR_UART1 0x68
+#define SCH5545_BAR_UART2 0x6c
+#define SCH5545_BAR_RUNTIME_REG 0x70
+/* Certain SMSC parts have SPI controller LDN 0xf with BAR rgeister at 0x74 */
+#define SCH5545_BAR_KBC 0x78
+#define SCH5545_BAR_FLOPPY 0x7c
+#define SCH5545_BAR_PARPORT 0x80
+
+/* IRQ <> device mappings */
+#define SCH5545_IRQ_KBD 0x01
+#define SCH5545_IRQ_MOUSE 0x81
+#define SCH5545_IRQ_UART1 0x07
+#define SCH5545_IRQ_UART2 0x08
+#define SCH5545_IRQ_EMI_MAILBOX 0x00
+#define SCH5545_IRQ_EMI_IRQ_SOURCE 0x80
+#define SCH5545_IRQ_RUNTIME_REG 0x0a
+#define SCH5545_IRQ_RUNTIME_REG_SMI 0x8a
+#define SCH5545_IRQ_FLOPPY 0x0b
+#define SCH5545_IRQ_PARPORT 0x11
+#define SCH5545_IRQ_DISABLED 0xff
+
+
+/* runtime registers */
+#define SCH5545_RR_PME_STS 0x00
+#define SCH5545_GLOBAL_PME_STS 0x01
+#define SCH5545_RR_PME_EN 0x01
+#define SCH5545_GLOBAL_PME_EN 0x01
+#define SCH5545_RR_PME_STS1 0x02
+#define SCH5545_UART2_RI_PME_STS 0x2
+#define SCH5545_UART1_RI_PME_STS 0x4
+#define SCH5545_KBD_PME_STS 0x8
+#define SCH5545_MOUSE_PME_STS 0x10
+#define SCH5545_SPECIFIC_KEY_PME_STS 0x20
+#define SCH5545_RR_PME_STS2 0x03
+#define SCH5545_IO_SMI_EVT_STS 0x1
+#define SCH5545_WDT_TIMEOUT_EVT_STS 0x2
+#define SCH5545_EM_EVT1_STS 0x4
+#define SCH5545_EM_EVT2_STS 0x8
+#define SCH5545_FW_EVT_STS 0x10
+#define SCH5545_BAT_LOW_STS 0x20
+#define SCH5545_INTRUDER_STS 0x40
+#define SCH5545_RR_PME_STS3 0x04
+#define SCH5545_GPIO62_PME_STS 0x1
+#define SCH5545_GPIO54_PME_STS 0x2
+#define SCH5545_GPIO53_PME_STS 0x4
+#define SCH5545_GPIO35_PME_STS 0x8
+#define SCH5545_GPIO31_PME_STS 0x10
+#define SCH5545_GPIO25_PME_STS 0x20
+#define SCH5545_GPIO24_PME_STS 0x40
+#define SCH5545_GPIO21_PME_STS 0x80
+#define SCH5545_RR_PME_EN1 0x05
+#define SCH5545_UART2_RI_PME_EN 0x2
+#define SCH5545_UART1_RI_PME_EN 0x4
+#define SCH5545_KBD_PME_EN 0x8
+#define SCH5545_MOUSE_PME_EN 0x10
+#define SCH5545_SPECIFIC_KEY_PME_EN 0x20
+#define SCH5545_RR_PME_EN2 0x06
+#define SCH5545_IO_SMI_EVT_PME_EN 0x1
+#define SCH5545_WDT_EVT_PME_EN 0x2
+#define SCH5545_EM_EVT1_PME_EN 0x4
+#define SCH5545_EM_EVT2_PME_EN 0x8
+#define SCH5545_FW_EVT_PME_EN 0x10
+#define SCH5545_BAT_LOW_PME_EN 0x20
+#define SCH5545_INTRUDER_PME_EN 0x40
+#define SCH5545_RR_PME_EN3 0x07
+#define SCH5545_GPIO62_PME_EN 0x1
+#define SCH5545_GPIO54_PME_EN 0x2
+#define SCH5545_GPIO53_PME_EN 0x4
+#define SCH5545_GPIO35_PME_EN 0x8
+#define SCH5545_GPIO31_PME_EN 0x10
+#define SCH5545_GPIO25_PME_EN 0x20
+#define SCH5545_GPIO24_PME_EN 0x40
+#define SCH5545_GPIO21_PME_EN 0x80
+#define SCH5545_RR_SMI_STS 0x10
+#define SCH5545_SMI_GLOBAL_STS 0x1
+#define SCH5545_RR_SMI_EN 0x11
+#define SCH5545_SMI_GLOBAL_EN 0x1
+#define SCH5545_RR_SMI_STS1 0x12
+#define SCH5545_LOW_BAT_SMI_STS 0x1
+#define SCH5545_PAR_PORT_SMI_STS 0x2
+#define SCH5545_UART2_SMI_STS 0x4
+#define SCH5545_UART1_SMI_STS 0x8
+#define SCH5545_FLOPPY_SMI_STS 0x10
+#define SCH5545_EM_EVT1_SMI_STS 0x20
+#define SCH5545_EM_EVT2_SMI_STS 0x40
+#define SCH5545_FW_EVT_SMI_STS 0x80
+#define SCH5545_RR_SMI_STS2 0x13
+#define SCH5545_MOUSE_SMI_STS 0x1
+#define SCH5545_KBD_SMI_STS 0x2
+#define SCH5545_WATCHDOG_EVT_SMI_STS 0x8
+#define SCH5545_INTRUSION_SMI_STS 0x10
+#define SCH5545_RR_SMI_STS3 0x14
+#define SCH5545_GPIO62_SMI_STS 0x1
+#define SCH5545_GPIO54_SMI_STS 0x2
+#define SCH5545_GPIO53_SMI_STS 0x4
+#define SCH5545_GPIO35_SMI_STS 0x8
+#define SCH5545_GPIO31_SMI_STS 0x10
+#define SCH5545_GPIO25_SMI_STS 0x20
+#define SCH5545_GPIO24_SMI_STS 0x40
+#define SCH5545_GPIO21_SMI_STS 0x80
+#define SCH5545_RR_SMI_EN1 0x15
+#define SCH5545_LOW_BAT_SMI_EN 0x1
+#define SCH5545_PAR_PORT_SMI_EN 0x2
+#define SCH5545_UART2_SMI_EN 0x4
+#define SCH5545_UART1_SMI_EN 0x8
+#define SCH5545_FLOPPY_SMI_EN 0x10
+#define SCH5545_EM_EVT1_SMI_EN 0x20
+#define SCH5545_EM_EVT2_SMI_EN 0x40
+#define SCH5545_FW_EVT_SMI_EN 0x1
+#define SCH5545_RR_SMI_EN2 0x16
+#define SCH5545_MOUSE_SMI_EN 0x1
+#define SCH5545_KBD_SMI_EN 0x2
+#define SCH5545_WATCHDOG_EVT_SMI_EN 0x8
+#define SCH5545_INTRUSION_SMI_EN 0x10
+#define SCH5545_RR_SMI_EN3 0x17
+#define SCH5545_GPIO62_SMI_EN 0x1
+#define SCH5545_GPIO54_SMI_EN 0x2
+#define SCH5545_GPIO53_SMI_EN 0x4
+#define SCH5545_GPIO35_SMI_EN 0x8
+#define SCH5545_GPIO31_SMI_EN 0x10
+#define SCH5545_GPIO25_SMI_EN 0x20
+#define SCH5545_GPIO24_SMI_EN 0x40
+#define SCH5545_GPIO21_SMI_EN 0x80
+#define SCH5545_RR_FORCE_DISK_CH 0x20
+#define SCH5545_FLOPPY_DISK_CHANGE 0x1
+#define SCH5545_RR_FLOPPY_DR_SEL 0x21
+#define SCH5545_DR_SELECT0 0x1
+#define SCH5545_DR_SELECT1 0x2
+#define SCH5545_FLOPPY_PRECOMP0 0x4
+#define SCH5545_FLOPPY_PRECOMP1 0x8
+#define SCH5545_FLOPPY_PRECOMP2 0x10
+#define SCH5545_FLOPPY_PWR_DOWN 0x40
+#define SCH5545_FLOPPY_SOFT_RESET 0x80
+#define SCH5545_RR_UART1_FIFO_CTRL 0x22
+#define SCH5545_UART1_FIFO_FE 0x1
+#define SCH5545_UART1_FIFO_RFR 0x2
+#define SCH5545_UART1_FIFO_XFR 0x4
+#define SCH5545_UART1_FIFO_DMS 0x8
+#define SCH5545_UART1_FIFO_RTL 0x40
+#define SCH5545_UART1_FIFO_RTM 0x80
+#define SCH5545_RR_UART2_FIFO_CTRL 0x23
+#define SCH5545_UART2_FIFO_FE 0x1
+#define SCH5545_UART2_FIFO_RFR 0x2
+#define SCH5545_UART2_FIFO_XFR 0x4
+#define SCH5545_UART2_FIFO_DMS 0x8
+#define SCH5545_UART2_FIFO_RTL 0x40
+#define SCH5545_UART2_FIFO_RTM 0x80
+#define SCH5545_RR_DEV_DISABLE 0x24
+#define SCH5545_FLOPPY_WP 0x1
+#define SCH5545_FLOPPY_DIS 0x8
+#define SCH5545_UART2_DIS 0x20
+#define SCH5545_UART1_DIS 0x40
+#define SCH5545_PAR_PORT_DIS 0x80
+#define SCH5545_RR_LED 0x25
+#define SCH5545_LED_BLINK_OFF 0x0
+#define SCH5545_LED_BLINK_1HZ 0x1
+#define SCH5545_LED_BLINK_ON 0x3
+#define SCH5545_LED_BLINK_MASK 0x3
+#define SCH5545_LED_COLOR_YELLOW 0x0
+#define SCH5545_LED_COLOR_GREEN 0x4
+#define SCH5545_LED_CODE_FETCH 0x8
+#define SCH5545_RR_KB_SCAN 0x26
+#define SCH5545_RR_PWRGOOD 0x27
+#define SCH5545_PWRGOOD_DELAY 0x1
+#define SCH5545_PWRGOOD_LOCK 0x2
+#define SCH5545_PCIRST_OUT4_EN 0x10
+#define SCH5545_PCIRST_OUT3_EN 0x20
+#define SCH5545_PCIRST_OUT1_EN 0x40
+#define SCH5545_PCIRST_OUT2_EN 0x80
+#define SCH5545_RR_GPIO_SEL 0x28
+#define SCH5545_RR_GPIO_READ 0x29
+#define SCH5545_RR_GPIO_WRITE 0x2A
+#define SCH5545_RR_FW_EVT_STS 0x30
+#define SCH5545_RR_FW_EVT_EN 0x31
+#define SCH5545_RR_PWR_REC_MODES 0x32
+#define SCH5545_PWR_SUPPLY_OFF 0x00
+#define SCH5545_PWR_SUPPLY_ON 0x80
+#define SCH5545_RR_INTRUDER 0x34
+#define SCH5545_INTRUSION_EDGE_STS 0x1
+#define SCH5545_INTRUDER_PIN_STS 0x2
+
+void sch5545_early_init(unsigned int port);
+void sch5545_enable_uart(unsigned int port, unsigned int uart_no);
+void sch5545_set_led(unsigned int runtime_reg_base, unsigned int color, uint16_t blink);
+int sch5545_get_gpio(uint8_t sio_port, uint8_t gpio);
+
+#endif /* SUPERIO_SCH_5545_H */
diff --git a/src/superio/smsc/sch5545/sch5545_early_init.c b/src/superio/smsc/sch5545/sch5545_early_init.c
new file mode 100644
index 0000000000..4841571113
--- /dev/null
+++ b/src/superio/smsc/sch5545/sch5545_early_init.c
@@ -0,0 +1,179 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/io.h>
+#include <device/pnp.h>
+#include <stdint.h>
+#include <device/pnp_def.h>
+#include <device/pnp_ops.h>
+#include "sch5545.h"
+
+static void pnp_enter_conf_state(pnp_devfn_t dev)
+{
+ unsigned int port = dev >> 8;
+ outb(0x55, port);
+}
+
+static void pnp_exit_conf_state(pnp_devfn_t dev)
+{
+ unsigned int port = dev >> 8;
+ outb(0xaa, port);
+}
+
+/*
+ * Set the BAR / iobase for a specific device.
+ * pnp_devfn_t dev must be in conf state.
+ * LDN LPC IF must be active.
+ */
+static void set_iobase(pnp_devfn_t dev, uint16_t device_addr, uint16_t bar_addr)
+{
+ uint16_t bar;
+
+ /*
+ * Set the BAR. We have to flip the BAR due to different register layout:
+ * - LPC addr LSB on device_addr + 2
+ * - LPC addr MSB on device_addr + 3
+ */
+ bar = ((bar_addr >> 8) & 0xff) | ((bar_addr & 0xff) << 8);
+ pnp_set_iobase(dev, device_addr + 2, bar);
+}
+
+/*
+ * Set the IRQ for the specific device.
+ * pnp_devfn_t dev must be in conf state.
+ * LDN LPC IF must be active.
+ */
+static void set_irq(pnp_devfn_t dev, uint8_t irq_device, unsigned int irq)
+{
+ if (irq > 15)
+ return;
+
+ pnp_write_config(dev, SCH5545_IRQ_BASE + irq, irq_device);
+}
+
+/*
+ * sch5545 has 2 LEDs which are accessed via color (1 bit), 2 bits for a
+ * pattern blink and 1 bit for "code fetch" which means the cpu/mainboard is
+ * working (always set).
+ */
+void sch5545_set_led(unsigned int runtime_reg_base, unsigned int color, uint16_t blink)
+{
+ uint8_t val = blink & SCH5545_LED_BLINK_MASK;
+ val |= SCH5545_LED_CODE_FETCH;
+ if (color)
+ val |= SCH5545_LED_COLOR_GREEN;
+ outb(val, runtime_reg_base + SCH5545_RR_LED);
+}
+
+void sch5545_early_init(unsigned int port)
+{
+ pnp_devfn_t dev;
+
+ /* Enable SERIRQ */
+ dev = PNP_DEV(port, SCH5545_LDN_GCONF);
+ pnp_enter_conf_state(dev);
+ pnp_set_logical_device(dev);
+ pnp_write_config(dev, 0x24, pnp_read_config(dev, 0x24) | 0x04);
+
+ /* Enable LPC interface */
+ dev = PNP_DEV(port, SCH5545_LDN_LPC);
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, 1);
+ /* Set LPC BAR mask */
+ pnp_write_config(dev, SCH5545_BAR_LPC_IF, 0x01);
+ /* BAR valid, Frame/LDN = 0xc */
+ pnp_write_config(dev, SCH5545_BAR_LPC_IF + 1, SCH5545_LDN_LPC | 0x80);
+ set_iobase(dev, SCH5545_BAR_LPC_IF, port);
+
+ /* Enable Runtime Registers */
+
+ /* The Runtime Registers BAR is 0x40 long */
+ pnp_write_config(dev, SCH5545_BAR_RUNTIME_REG, 0x3f);
+ /* BAR valid, Frame/LDN = 0xa */
+ pnp_write_config(dev, SCH5545_BAR_RUNTIME_REG + 1, SCH5545_LDN_RR | 0x80);
+
+ /* Map Runtime Registers */
+ set_iobase(dev, SCH5545_BAR_RUNTIME_REG, SCH5545_RUNTIME_REG_BASE);
+ dev = PNP_DEV(port, SCH5545_LDN_RR);
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, 1);
+
+ /* Set LED color and indicate BIOS has reached code fetch phase */
+ sch5545_set_led(SCH5545_RUNTIME_REG_BASE, SCH5545_LED_COLOR_GREEN,
+ SCH5545_LED_BLINK_ON);
+
+ /* Configure EMI */
+ dev = PNP_DEV(port, SCH5545_LDN_LPC);
+ pnp_set_logical_device(dev);
+ /* EMI BAR has 11 registers, but vendor sets the mask to 0xf */
+ pnp_write_config(dev, SCH5545_BAR_EM_IF, 0x0f);
+ /* BAR valid, Frame/LDN = 0x00 */
+ pnp_write_config(dev, SCH5545_BAR_EM_IF + 1, SCH5545_LDN_EMI | 0x80);
+ set_iobase(dev, SCH5545_BAR_EM_IF, SCH5545_EMI_BASE);
+
+ pnp_exit_conf_state(dev);
+}
+
+void sch5545_enable_uart(unsigned int port, unsigned int uart_no)
+{
+ pnp_devfn_t dev;
+
+ if (uart_no > 1)
+ return;
+
+ /* Configure serial port */
+ dev = PNP_DEV(port, SCH5545_LDN_LPC);
+ pnp_enter_conf_state(dev);
+ pnp_set_logical_device(dev);
+ /* Set UART BAR mask to 0x07 (8 registers) */
+ pnp_write_config(dev, SCH5545_BAR_UART1 + (4 * uart_no), 0x07);
+ /* Set BAR valid, Frame/LDN = UART1/2 LDN 0x07/0x08 */
+ pnp_write_config(dev, SCH5545_BAR_UART1 + (4 * uart_no) + 1,
+ (SCH5545_LDN_UART1 + uart_no) | 0x80);
+ set_iobase(dev, SCH5545_BAR_UART1 + (4 * uart_no), (uart_no == 1) ? 0x2f8 : 0x3f8);
+ /* IRQ 3 for UART2, IRQ4 for UART1 */
+ set_irq(dev, SCH5545_LDN_UART1 + uart_no, 4 - uart_no);
+
+ dev = PNP_DEV(port, SCH5545_LDN_UART1 + uart_no);
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, 1);
+ pnp_write_config(dev, SCH5545_UART_CONFIG_SELECT, SCH5545_UART_POWER_VCC);
+
+ pnp_exit_conf_state(dev);
+}
+
+int sch5545_get_gpio(uint8_t sio_port, uint8_t gpio)
+{
+ pnp_devfn_t dev;
+ uint16_t runtime_reg_base;
+ uint8_t gpio_bank, gpio_num;
+
+ gpio_bank = gpio / 10;
+ gpio_num = gpio % 10;
+ /*
+ * GPIOs are divided into banks of 8 GPIOs (kind of). Each group starts at decimal
+ * base, i.e. 8 GPIOs from GPIO000, 8 GPIOs from GPIO010, etc., up to GPIO071 and
+ * GPIO072 which are an exception (only two GPIOs in the bank 7).
+ */
+ if (gpio_num > 7)
+ return -1;
+ else if (gpio_bank == 7 && gpio_num > 1)
+ return -1;
+ else if (gpio_bank > 7)
+ return -1;
+
+ dev = PNP_DEV(sio_port, SCH5545_LDN_LPC);
+ pnp_enter_conf_state(dev);
+ pnp_set_logical_device(dev);
+
+ runtime_reg_base = pnp_read_config(dev, SCH5545_BAR_RUNTIME_REG + 2);
+ runtime_reg_base |= pnp_read_config(dev, SCH5545_BAR_RUNTIME_REG + 3) << 8;
+
+ pnp_exit_conf_state(dev);
+
+ if (runtime_reg_base == 0)
+ return -1;
+
+ outb(gpio_bank * 8 + gpio_num, runtime_reg_base + SCH5545_RR_GPIO_SEL);
+
+ return inb(runtime_reg_base + SCH5545_RR_GPIO_READ) & 1;
+}
diff --git a/src/superio/smsc/sch5545/sch5545_emi.c b/src/superio/smsc/sch5545/sch5545_emi.c
new file mode 100644
index 0000000000..2bb150c69b
--- /dev/null
+++ b/src/superio/smsc/sch5545/sch5545_emi.c
@@ -0,0 +1,214 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <assert.h>
+#include <arch/io.h>
+#include <device/pnp.h>
+#include <device/pnp_def.h>
+#include <device/pnp_ops.h>
+#include <superio/conf_mode.h>
+
+#include "sch5545.h"
+#include "sch5545_emi.h"
+
+static uint16_t emi_bar;
+
+#ifdef __SIMPLE_DEVICE__
+static void sch5545_enter_conf_state(pnp_devfn_t dev)
+{
+ unsigned int port = dev >> 8;
+ outb(0x55, port);
+}
+
+static void sch5545_exit_conf_state(pnp_devfn_t dev)
+{
+ unsigned int port = dev >> 8;
+ outb(0xaa, port);
+}
+#endif
+
+uint16_t sch5545_read_emi_bar(uint8_t sio_port)
+{
+ uint16_t bar;
+
+#ifdef __SIMPLE_DEVICE__
+ pnp_devfn_t lpcif = PNP_DEV(sio_port, SCH5545_LDN_LPC);
+ sch5545_enter_conf_state(lpcif);
+#else
+ struct device *lpcif = dev_find_slot_pnp(sio_port, SCH5545_LDN_LPC);
+ if (!lpcif)
+ return 0;
+ pnp_enter_conf_mode_55(lpcif);
+#endif
+ pnp_set_logical_device(lpcif);
+
+ bar = pnp_read_config(lpcif, SCH5545_BAR_EM_IF + 2);
+ bar |= pnp_read_config(lpcif, SCH5545_BAR_EM_IF + 3) << 8;
+
+#ifdef __SIMPLE_DEVICE__
+ sch5545_exit_conf_state(lpcif);
+#else
+ pnp_exit_conf_mode_aa(lpcif);
+#endif
+ return bar;
+}
+
+void sch5545_emi_init(uint8_t sio_port)
+{
+ emi_bar = sch5545_read_emi_bar(sio_port);
+ assert(emi_bar != 0);
+}
+
+void sch5545_emi_ec2h_mailbox_clear(void)
+{
+ sch5545_emi_ec2h_mbox_write(sch5545_emi_ec2h_mbox_read());
+}
+
+void sch5545_emi_disable_interrupts(void)
+{
+ sch5545_emi_set_int_mask(0);
+}
+
+void sch5545_emi_h2ec_mbox_write(uint8_t mbox_message)
+{
+ outb(mbox_message, emi_bar + SCH5545_EMI_HOST_TO_EC_MAILBOX);
+}
+
+uint8_t sch5545_emi_h2ec_mbox_read(void)
+{
+ return inb(emi_bar + SCH5545_EMI_HOST_TO_EC_MAILBOX);
+}
+
+void sch5545_emi_ec2h_mbox_write(uint8_t mbox_message)
+{
+ outb(mbox_message, emi_bar + SCH5545_EMI_EC_TO_HOST_MAILBOX);
+}
+
+uint8_t sch5545_emi_ec2h_mbox_read(void)
+{
+ return inb(emi_bar + SCH5545_EMI_EC_TO_HOST_MAILBOX);
+}
+
+void sch5545_emi_set_int_mask(uint16_t mask)
+{
+ outw(mask, emi_bar + SCH5545_EMI_INT_MASK);
+}
+
+void sch5545_emi_set_int_mask_low(uint8_t mask)
+{
+ outb(mask, emi_bar + SCH5545_EMI_INT_MASK);
+}
+
+void sch5545_emi_set_int_mask_high(uint8_t mask)
+{
+ outb(mask, emi_bar + SCH5545_EMI_INT_MASK + 1);
+}
+
+uint8_t sch5545_emi_get_int_mask_low(void)
+{
+ return inb(emi_bar + SCH5545_EMI_INT_MASK);
+}
+
+uint8_t sch5545_emi_get_int_mask_high(void)
+{
+ return inb(emi_bar + SCH5545_EMI_INT_MASK + 1);
+}
+
+uint16_t sch5545_emi_get_int_mask(void)
+{
+ return inw(emi_bar + SCH5545_EMI_INT_MASK);
+}
+
+void sch5545_emi_set_int_src_low(uint8_t int_src)
+{
+ outb(int_src, emi_bar + SCH5545_EMI_INT_SOURCE);
+}
+
+void sch5545_emi_set_int_src_high(uint8_t int_src)
+{
+ outb(int_src, emi_bar + SCH5545_EMI_INT_SOURCE + 1);
+}
+
+uint8_t sch5545_emi_get_int_src_low(void)
+{
+ return inb(emi_bar + SCH5545_EMI_INT_SOURCE);
+}
+
+uint8_t sch5545_emi_get_int_src_high(void)
+{
+ return inb(emi_bar + SCH5545_EMI_INT_SOURCE + 1);
+}
+uint16_t sch5545_emi_get_int_src(void)
+{
+ return inw(emi_bar + SCH5545_EMI_INT_SOURCE);
+}
+
+void sch5545_emi_set_int_src(uint16_t int_src)
+{
+ outw(int_src, emi_bar + SCH5545_EMI_INT_SOURCE);
+}
+
+void sch5545_emi_set_ec_addr(uint16_t addr)
+{
+ outw(addr, emi_bar + SCH5545_EMI_EC_ADDR);
+}
+
+uint16_t sch5545_emi_read_ec_addr(void)
+{
+ return inw(emi_bar + SCH5545_EMI_EC_ADDR);
+}
+
+void sch5545_emi_ec_write8(uint16_t addr, uint8_t data)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_8BIT_ACCESS);
+ outb(data, emi_bar + SCH5545_EMI_EC_DATA + (addr & 3));
+}
+
+void sch5545_emi_ec_write16(uint16_t addr, uint16_t data)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_16BIT_ACCESS);
+ outw(data, emi_bar + SCH5545_EMI_EC_DATA + (addr & 2));
+}
+
+void sch5545_emi_ec_write32(uint16_t addr, uint32_t data)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_32BIT_ACCESS);
+ outl(data, emi_bar + SCH5545_EMI_EC_DATA);
+}
+
+void sch5545_emi_ec_write32_bulk(uint16_t addr, const uint32_t *buffer, size_t len)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_32BIT_AUTO_ACCESS);
+
+ while (len > 0) {
+ outl(*(buffer++), emi_bar + SCH5545_EMI_EC_DATA);
+ len--;
+ }
+}
+
+uint8_t sch5545_emi_ec_read8(uint16_t addr)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_8BIT_ACCESS);
+ return inb(emi_bar + SCH5545_EMI_EC_DATA + (addr & 3));
+}
+
+uint16_t sch5545_emi_ec_read16(uint16_t addr)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_16BIT_ACCESS);
+ return inw(emi_bar + SCH5545_EMI_EC_DATA + (addr & 2));
+}
+
+uint32_t sch5545_emi_ec_read32(uint16_t addr)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_32BIT_ACCESS);
+ return inb(emi_bar + SCH5545_EMI_EC_DATA);
+}
+
+void sch5545_emi_ec_read32_bulk(uint16_t addr, uint32_t *buffer, size_t len)
+{
+ sch5545_emi_set_ec_addr((addr & 0xfffc) | EMI_EC_32BIT_AUTO_ACCESS);
+
+ while (len > 0) {
+ *(buffer++) = inl(emi_bar + SCH5545_EMI_EC_DATA);
+ len--;
+ }
+}
diff --git a/src/superio/smsc/sch5545/sch5545_emi.h b/src/superio/smsc/sch5545/sch5545_emi.h
new file mode 100644
index 0000000000..2bf3a769a5
--- /dev/null
+++ b/src/superio/smsc/sch5545/sch5545_emi.h
@@ -0,0 +1,167 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SUPERIO_SCH_5545_EMI_H
+#define SUPERIO_SCH_5545_EMI_H
+
+#include <stdlib.h>
+#include <stdint.h>
+
+/* Embedded Memory Interface registers */
+#define SCH5545_EMI_HOST_TO_EC_MAILBOX 0x0
+#define SCH5545_EMI_EC_TO_HOST_MAILBOX 0x1
+#define SCH5545_EMI_EC_ADDR 0x2
+#define SCH5545_EMI_EC_DATA 0x4
+#define SCH5545_EMI_INT_SOURCE 0x8
+#define SCH5545_EMI_INT_MASK 0xa
+
+#define EMI_EC_8BIT_ACCESS 0
+#define EMI_EC_16BIT_ACCESS 1
+#define EMI_EC_32BIT_ACCESS 2
+#define EMI_EC_32BIT_AUTO_ACCESS 3
+
+/**
+ * Reads and returns the base address of EMI from the SuperIO.
+ */
+uint16_t sch5545_read_emi_bar(uint8_t sio_port);
+/**
+ * One must call this function at every stage before using any of the EMI
+ * functions. The base address of EMI interface must not be zero.
+ */
+void sch5545_emi_init(uint8_t sio_port);
+/**
+ * Reads the EC to Host mailbox register and then writes the same content to
+ * clear it.
+ */
+void sch5545_emi_ec2h_mailbox_clear(void);
+/**
+ * Writes the interrupt mask register with 0.
+ */
+void sch5545_emi_disable_interrupts(void);
+/**
+ * Writes the Host to EC mailbox 8bit register with mbox_message.
+ */
+void sch5545_emi_h2ec_mbox_write(uint8_t mbox_message);
+/**
+ * Reads and returns the Host to EC mailbox 8bit register.
+ */
+uint8_t sch5545_emi_h2ec_mbox_read(void);
+/**
+ * Writes the EC to Host mailbox 8bit register with mbox_message.
+ */
+void sch5545_emi_ec2h_mbox_write(uint8_t mbox_message);
+/**
+ * Reads and returns the EC to Host mailbox 8bit register.
+ */
+uint8_t sch5545_emi_ec2h_mbox_read(void);
+/**
+ * Sets the mask for all EC interrupts.
+ */
+void sch5545_emi_set_int_mask(uint16_t mask);
+/**
+ * Sets the EC interrupt mask for LSB in the Interrupt Mask register.
+ */
+void sch5545_emi_set_int_mask_low(uint8_t mask);
+/**
+ * Sets the EC interrupt mask for MSB in the Interrupt Mask register.
+ */
+void sch5545_emi_set_int_mask_high(uint8_t mask);
+/**
+ * Returns LSB of Interrupt mask register.
+ */
+uint8_t sch5545_emi_get_int_mask_low(void);
+/**
+ * Returns MSB of Interrupt mask register.
+ */
+uint8_t sch5545_emi_get_int_mask_high(void);
+/**
+ * Returns the content of interrupt mask register.
+ */
+uint16_t sch5545_emi_get_int_mask(void);
+/**
+ * Clears the interrupt status bits.
+ */
+void sch5545_emi_clear_int_src(void);
+/**
+ * Writes int_src bits to clear the desired interrupt source LSB.
+ */
+void sch5545_emi_set_int_src_low(uint8_t int_src);
+/**
+ * Writes int_src bits to clear the desired interrupt source MSB.
+ */
+void sch5545_emi_set_int_src_high(uint8_t int_src);
+/**
+ * Writes int_src bits to clear the desired interrupt source bits.
+ */
+void sch5545_emi_set_int_src(uint16_t int_src);
+/**
+ * Returns LSB of interrupt source register.
+ */
+uint8_t sch5545_emi_get_int_src_low(void);
+/**
+ * Returns MSB of interrupt source register.
+ */
+uint8_t sch5545_emi_get_int_src_high(void);
+/**
+ * Returns the content of interrupt source register.
+ */
+uint16_t sch5545_emi_get_int_src(void);
+/**
+ * Sets the EC address registers with given addr for indirect access to
+ * Embedded Memory.
+ */
+void sch5545_emi_set_ec_addr(uint16_t addr);
+/**
+ * Return the current EC address used for indirect access to Embedded Memory.
+ */
+uint16_t sch5545_emi_read_ec_addr(void);
+/**
+ * Writes any byte of 4 bytes from the 32bit dword indicated by addr. The
+ * function will automatically align to the matching 32bit dword.
+ */
+void sch5545_emi_ec_write8(uint16_t addr, uint8_t data);
+/**
+ * Writes any word of 2 words from the 32bit dword indicated by addr. The addr
+ * must be aligned to 16bit access, because function programs the right access
+ * mode rounding the address to be written to 16 bit boundary.
+ */
+void sch5545_emi_ec_write16(uint16_t addr, uint16_t data);
+/**
+ * Writes dword of data at the desired address indicated by addr. The addr must
+ * be aligned to 32bit access, because function programs the right access mode
+ * rounding the address to be written to 32 bit boundary.
+ */
+void sch5545_emi_ec_write32(uint16_t addr, uint32_t data);
+/**
+ * Writes an array of dwords at the desired address indicated by addr. The addr
+ * must be aligned to 32bit access, because function programs the right access
+ * mode rounding the address to be written to 32 bit boundary. The address is
+ * autoincremented by each IO write operation automatically.
+ */
+void sch5545_emi_ec_write32_bulk(uint16_t addr, const uint32_t *buffer, size_t len);
+/**
+ * Reads any byte of 4 bytes from the 32bit dword indicated by addr. The
+ * function will automatically align to the matching 32bit dword.
+ */
+uint8_t sch5545_emi_ec_read8(uint16_t addr);
+/**
+ * Reads any word of 2 words from the 32bit dword indicated by addr. The addr
+ * must be aligned to 16bit access, because function programs the right access
+ * mode rounding the address to be read to 16 bit boundary.
+ */
+uint16_t sch5545_emi_ec_read16(uint16_t addr);
+/**
+ * Reads dword of data at the desired address indicated by addr. The addr must
+ * be aligned to 32bit access, because function programs the right access mode
+ * rounding the address to be read to 32 bit boundary.
+ */
+uint32_t sch5545_emi_ec_read32(uint16_t addr);
+/**
+ * Reads a stream of dwords of size len to an array of dwords from the desired
+ * address indicated by addr. The addr must be aligned to 32bit access, because
+ * function programs the right access mode rounding the start address to be
+ * read to 32 bit boundary. The address is autoincremented by each IO read
+ * operation automatically.
+ */
+void sch5545_emi_ec_read32_bulk(uint16_t addr, uint32_t *buffer, size_t len);
+
+#endif /* SUPERIO_SCH_5545_EMI_H */
diff --git a/src/superio/smsc/sch5545/superio.c b/src/superio/smsc/sch5545/superio.c
new file mode 100644
index 0000000000..b6e5308f3c
--- /dev/null
+++ b/src/superio/smsc/sch5545/superio.c
@@ -0,0 +1,301 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <superio/conf_mode.h>
+#include <console/console.h>
+#include <pc80/keyboard.h>
+#include <stdlib.h>
+
+#include "sch5545.h"
+
+int sch5545_get_gpio(uint8_t sio_port, uint8_t gpio)
+{
+ struct device *dev;
+ uint16_t runtime_reg_base;
+ uint8_t gpio_bank, gpio_num;
+
+ gpio_bank = gpio / 10;
+ gpio_num = gpio % 10;
+ /*
+ * GPIOs are divided into banks of 8 GPIOs (kind of). Each group starts
+ * at decimal base, i.e. 8 GPIOs from GPIO000, 8 GPIOs from GPIO010,
+ * etc., up to GPIO071 and GPIO072 which are an exception (only two
+ * gpios in the bank 7).
+ */
+ if (gpio_num > 7)
+ return -1;
+ else if (gpio_bank == 7 && gpio_num > 1)
+ return -1;
+ else if (gpio_bank > 7)
+ return -1;
+
+ dev = dev_find_slot_pnp(sio_port, SCH5545_LDN_LPC);
+
+ if (!dev) {
+ printk(BIOS_ERR, "%s: ERROR: LPC interface LDN not present."
+ "Check the devicetree!\n", __func__);
+ return -1;
+ }
+
+ pnp_enter_conf_mode(dev);
+ pnp_set_logical_device(dev);
+
+ runtime_reg_base = pnp_read_config(dev, SCH5545_BAR_RUNTIME_REG + 2);
+ runtime_reg_base |= pnp_read_config(dev, SCH5545_BAR_RUNTIME_REG + 3) << 8;
+
+ pnp_exit_conf_mode(dev);
+
+ if (runtime_reg_base == 0)
+ return -1;
+
+ outb(gpio_bank * 8 + gpio_num, runtime_reg_base + SCH5545_RR_GPIO_SEL);
+
+ return inb(runtime_reg_base + SCH5545_RR_GPIO_READ) & 1;
+}
+
+static void sch5545_init(struct device *dev)
+{
+ if (!dev->enabled)
+ return;
+
+ switch (dev->path.pnp.device) {
+ case SCH5545_LDN_KBC:
+ pc_keyboard_init(NO_AUX_DEVICE);
+ break;
+ case SCH5545_LDN_LPC:
+ pnp_enter_conf_mode(dev);
+ pnp_set_logical_device(dev);
+ /* Enable SERIRQ */
+ pnp_write_config(dev, 0x24, pnp_read_config(dev, 0x24) | 0x04);
+ pnp_exit_conf_mode(dev);
+ break;
+ }
+}
+
+static void sch5545_set_iobase(struct device *dev, u8 index, u16 iobase)
+{
+ u8 val;
+ struct device *lpc_if;
+ u8 iobase_reg = 0;
+
+ lpc_if = dev_find_slot_pnp(dev->path.pnp.port, SCH5545_LDN_LPC);
+
+ if (!lpc_if) {
+ printk(BIOS_ERR, "ERROR: %s LPC interface LDN not present."
+ "Check the devicetree!\n", dev_path(dev));
+ return;
+ }
+
+ switch (dev->path.pnp.device) {
+ case SCH5545_LDN_EMI:
+ iobase_reg = SCH5545_BAR_EM_IF;
+ break;
+ case SCH5545_LDN_KBC:
+ iobase_reg = SCH5545_BAR_KBC;
+ break;
+ case SCH5545_LDN_UART1:
+ iobase_reg = SCH5545_BAR_UART1;
+ break;
+ case SCH5545_LDN_UART2:
+ iobase_reg = SCH5545_BAR_UART2;
+ break;
+ case SCH5545_LDN_RR:
+ iobase_reg = SCH5545_BAR_RUNTIME_REG;
+ break;
+ case SCH5545_LDN_FDC:
+ iobase_reg = SCH5545_BAR_FLOPPY;
+ break;
+ case SCH5545_LDN_LPC:
+ iobase_reg = SCH5545_BAR_LPC_IF;
+ break;
+ case SCH5545_LDN_PP:
+ iobase_reg = SCH5545_BAR_PARPORT;
+ break;
+ default:
+ return;
+ }
+
+ pnp_set_logical_device(lpc_if);
+
+ /* Flip the bytes in IO base, LSB goes first */
+ pnp_write_config(lpc_if, iobase_reg + 2, iobase & 0xff);
+ pnp_write_config(lpc_if, iobase_reg + 3, (iobase >> 8) & 0xff);
+
+ /* Set valid bit */
+ val = pnp_read_config(lpc_if, iobase_reg + 1);
+ val |= 0x80;
+ pnp_write_config(lpc_if, iobase_reg + 1, val);
+
+ pnp_set_logical_device(dev);
+}
+
+static void sch5545_set_irq(struct device *dev, u8 index, u8 irq)
+{
+ u8 select_bit = 0;
+ struct device *lpc_if;
+
+ /* In case it is not the IRQ, write misc register directly */
+ if (index >= PNP_IDX_MSC0) {
+ pnp_write_config(dev, index, irq);
+ return;
+ }
+
+ lpc_if = dev_find_slot_pnp(dev->path.pnp.port, SCH5545_LDN_LPC);
+
+ if (!lpc_if) {
+ printk(BIOS_ERR, "ERROR: %s LPC interface LDN not present."
+ "Check the devicetree!\n", dev_path(dev));
+ return;
+ }
+
+ pnp_set_logical_device(lpc_if);
+
+ /*
+ * Some LDNs can generate IRQs from two sources, i.e.
+ * - EMI may generate interrupts for Mailbox and INT source register
+ * - KBC may generate separate IRQ for mouse and keyboard,
+ * - RR LDN may generate IRQ for PME and SMI etc.
+ * SELECT bit allows to distinguish IRQ source for single LDN.
+ * Use the standard IRQs for devices.
+ */
+ switch (dev->path.pnp.device) {
+ case SCH5545_LDN_EMI:
+ case SCH5545_LDN_KBC:
+ case SCH5545_LDN_RR:
+ if (index == 0x72)
+ select_bit = 0x80;
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * IRQs are set in a little different manner. Each IRQ number has its
+ * own register which is programmed with LDN number which should use
+ * the IRQ. Ignore the index offset and choose register based on IRQ
+ * number counting from IRQ base.
+ */
+ pnp_write_config(lpc_if, SCH5545_IRQ_BASE + irq, dev->path.pnp.device | select_bit);
+ pnp_set_logical_device(dev);
+}
+
+static void sch5545_set_drq(struct device *dev, u8 index, u8 drq)
+{
+ struct device *lpc_if;
+
+ if (drq == 4) {
+ printk(BIOS_ERR, "ERROR: %s %02x: Trying to set reserved DMA channel 4!\n",
+ dev_path(dev), index);
+ printk(BIOS_ERR, "This configuration is untested. Trying to continue.\n");
+ }
+
+ /* DMA channel is programmed via LPC LDN */
+ lpc_if = dev_find_slot_pnp(dev->path.pnp.port, SCH5545_LDN_LPC);
+
+ if (!lpc_if) {
+ printk(BIOS_ERR, "ERROR: %s LPC interface LDN not present."
+ "Check the devicetree!\n", dev_path(dev));
+ return;
+ }
+
+ pnp_set_logical_device(lpc_if);
+
+ /*
+ * There are 8 configurable DMA channels. DRQs are set in a little
+ * different manner. Each DMA channel has its own 16-bit register which
+ * is programmed with LDN number (in higher byte) which should use the
+ * IRQ. Ignore the index offset and choose register based on IRQ number
+ * counting from IRQ base. Set valid bit (bit 7) additionally.
+ */
+ pnp_write_config(dev, SCH5545_DRQ_BASE + (drq * 2) + 1, dev->path.pnp.device | 0x80);
+
+ pnp_set_logical_device(dev);
+}
+
+static void sch5545_set_resource(struct device *dev, struct resource *resource)
+{
+ if (!(resource->flags & IORESOURCE_ASSIGNED)) {
+ /*
+ * The PNP_MSC super IO registers have the IRQ flag set. If no
+ * value is assigned in the devicetree, the corresponding
+ * PNP_MSC register doesn't get written, which should be printed
+ * as warning and not as error.
+ */
+ if (resource->flags & IORESOURCE_IRQ &&
+ (resource->index != PNP_IDX_IRQ0) &&
+ (resource->index != PNP_IDX_IRQ1))
+ printk(BIOS_WARNING, "WARNING: %s %02lx %s size: "
+ "0x%010llx not assigned\n", dev_path(dev),
+ resource->index, resource_type(resource),
+ resource->size);
+ else
+ printk(BIOS_ERR, "ERROR: %s %02lx %s size: 0x%010llx "
+ "not assigned\n", dev_path(dev), resource->index,
+ resource_type(resource), resource->size);
+ return;
+ }
+
+ /* Now store the resource. */
+ if (resource->flags & IORESOURCE_IO) {
+ sch5545_set_iobase(dev, resource->index, resource->base);
+ } else if (resource->flags & IORESOURCE_DRQ) {
+ sch5545_set_drq(dev, resource->index, resource->base);
+ } else if (resource->flags & IORESOURCE_IRQ) {
+ sch5545_set_irq(dev, resource->index, resource->base);
+ } else {
+ printk(BIOS_ERR, "ERROR: %s %02lx unknown resource type\n",
+ dev_path(dev), resource->index);
+ return;
+ }
+ resource->flags |= IORESOURCE_STORED;
+
+ report_resource_stored(dev, resource, "");
+}
+
+static void sch5545_set_resources(struct device *dev)
+{
+ struct resource *res;
+
+ pnp_enter_conf_mode(dev);
+
+ /* Select the logical device (LDN). */
+ pnp_set_logical_device(dev);
+
+ for (res = dev->resource_list; res; res = res->next)
+ sch5545_set_resource(dev, res);
+
+ pnp_exit_conf_mode(dev);
+}
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = sch5545_set_resources,
+ .enable_resources = pnp_enable_resources,
+ .enable = pnp_alt_enable,
+ .init = sch5545_init,
+ .ops_pnp_mode = &pnp_conf_mode_55_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ { NULL, SCH5545_LDN_EMI, PNP_IO0 | PNP_IRQ0 | PNP_IRQ1, 0x0ff0 },
+ { NULL, SCH5545_LDN_KBC, PNP_IO0 | PNP_IRQ0 | PNP_IRQ1 | PNP_MSC0 | PNP_MSC1, 0x0fff },
+ { NULL, SCH5545_LDN_UART1, PNP_IO0 | PNP_IRQ0 | PNP_MSC0, 0x0ff8 },
+ { NULL, SCH5545_LDN_UART2, PNP_IO0 | PNP_IRQ0 | PNP_MSC0, 0x0ff8 },
+ { NULL, SCH5545_LDN_RR, PNP_IO0 | PNP_IRQ0 | PNP_IRQ1 | PNP_MSC0, 0x0fc0 },
+ { NULL, SCH5545_LDN_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0 | PNP_MSC1 |
+ PNP_MSC2 | PNP_MSC3 | PNP_MSC4 | PNP_MSC5, 0x0ff8, },
+ { NULL, SCH5545_LDN_LPC, PNP_IO0, 0x0ffe },
+ { NULL, SCH5545_LDN_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0 | PNP_MSC1, 0x0ff8 },
+};
+
+static void enable_dev(struct device *dev)
+{
+ pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_smsc_sch5545_ops = {
+ CHIP_NAME("SMSC SCH5545 Super I/O")
+ .enable_dev = enable_dev,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 05:50:34 +0000