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authorNicholas Chin <nic.c3.14@gmail.com>2024-03-18 10:45:05 -0600
committerNicholas Chin <nic.c3.14@gmail.com>2024-03-18 10:45:05 -0600
commit8cba237086dfbb312a5913bb75eef4f6046aeae5 (patch)
treea208e8ff3e8b628b1615918cbb55b6ce351cfe54 /util/autoport/ec_lenovo.go
parentc578fe56c36f94af5c51a1be27a1a1c4b57a4289 (diff)
util: Import autoport with Haswell patches
This is a copy of coreboot's autoport utility, with a patch applied to support Haswell/Lynx Point platforms. That patch is currently in review on coreboot's Gerrit. https://review.coreboot.org/c/coreboot/+/30890 Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
Diffstat (limited to 'util/autoport/ec_lenovo.go')
-rw-r--r--util/autoport/ec_lenovo.go245
1 files changed, 245 insertions, 0 deletions
diff --git a/util/autoport/ec_lenovo.go b/util/autoport/ec_lenovo.go
new file mode 100644
index 00000000..a34960ff
--- /dev/null
+++ b/util/autoport/ec_lenovo.go
@@ -0,0 +1,245 @@
+package main
+
+import "fmt"
+
+func LenovoEC(ctx Context) {
+ ap := Create(ctx, "acpi/platform.asl")
+ defer ap.Close()
+
+ wakeGPE := 13
+
+ sbGPE := GuessECGPE(ctx)
+ var GPE int
+ var GPEUnsure bool
+ if sbGPE < 0 {
+ sbGPE = SouthBridge.EncodeGPE(1)
+ GPE = 1
+ GPEUnsure = true
+ SouthBridge.NeedRouteGPIOManually()
+ } else {
+ GPE = SouthBridge.DecodeGPE(sbGPE)
+ GPEUnsure = false
+ }
+
+ SouthBridge.EnableGPE(wakeGPE)
+ SouthBridge.EnableGPE(GPE)
+
+ GPEDefine := DSDTDefine{
+ Key: "THINKPAD_EC_GPE",
+ }
+
+ GPEDefine.Value = fmt.Sprintf("%d", sbGPE)
+ if GPEUnsure {
+ GPEDefine.Comment = "FIXME: Check this"
+ }
+
+ DSDTDefines = append(DSDTDefines,
+ DSDTDefine{
+ Key: "EC_LENOVO_H8_ME_WORKAROUND",
+ Value: "1",
+ }, GPEDefine)
+
+ Add_gpl(ap)
+ ap.WriteString(
+ `Method(_WAK, 1)
+{
+ /* ME may not be up yet. */
+ Store(0, \_TZ.MEB1)
+ Store(0, \_TZ.MEB2)
+ Return(Package() {0, 0})
+}
+
+Method(_PTS,1)
+{
+ \_SB.PCI0.LPCB.EC.RADI(0)
+}
+`)
+
+ si := Create(ctx, "acpi/superio.asl")
+ defer si.Close()
+
+ Add_gpl(si)
+ si.WriteString("#include <drivers/pc80/pc/ps2_controller.asl>\n")
+
+ /* FIXME:XX Move this to ec/lenovo. */
+ smi := Create(ctx, "smihandler.c")
+ defer smi.Close()
+
+ AddSMMFile("smihandler.c", "")
+
+ Add_gpl(smi)
+ smi.WriteString(
+ `#include <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <ec/acpi/ec.h>
+#include <ec/lenovo/h8/h8.h>
+#include <delay.h>
+#include <` + SouthBridge.GetGPIOHeader() + ">\n\n")
+
+ if GPEUnsure {
+ smi.WriteString("/* FIXME: check this */\n")
+ }
+ fmt.Fprintf(smi, "#define GPE_EC_SCI %d\n", GPE)
+
+ smi.WriteString("/* FIXME: check this */\n")
+ fmt.Fprintf(smi, "#define GPE_EC_WAKE %d\n", wakeGPE)
+
+ smi.WriteString(`
+static void mainboard_smi_handle_ec_sci(void)
+{
+ u8 status = inb(EC_SC);
+ u8 event;
+
+ if (!(status & EC_SCI_EVT))
+ return;
+
+ event = ec_query();
+ printk(BIOS_DEBUG, "EC event %#02x\n", event);
+}
+
+void mainboard_smi_gpi(u32 gpi_sts)
+{
+ if (gpi_sts & (1 << GPE_EC_SCI))
+ mainboard_smi_handle_ec_sci();
+}
+
+int mainboard_smi_apmc(u8 data)
+{
+ switch (data) {
+ case APM_CNT_ACPI_ENABLE:
+ /* use 0x1600/0x1604 to prevent races with userspace */
+ ec_set_ports(0x1604, 0x1600);
+ /* route EC_SCI to SCI */
+ gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI);
+ /* discard all events, and enable attention */
+ ec_write(0x80, 0x01);
+ break;
+ case APM_CNT_ACPI_DISABLE:
+ /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't
+ provide a EC query function */
+ ec_set_ports(0x66, 0x62);
+ /* route EC_SCI to SMI */
+ gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI);
+ /* discard all events, and enable attention */
+ ec_write(0x80, 0x01);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ if (slp_typ == 3) {
+ u8 ec_wake = ec_read(0x32);
+ /* If EC wake events are enabled, enable wake on EC WAKE GPE. */
+ if (ec_wake & 0x14) {
+ /* Redirect EC WAKE GPE to SCI. */
+ gpi_route_interrupt(GPE_EC_WAKE, GPI_IS_SCI);
+ }
+ }
+}
+`)
+
+ ec := Create(ctx, "acpi/ec.asl")
+ defer ec.Close()
+
+ Add_gpl(ec)
+ ec.WriteString("#include <ec/lenovo/h8/acpi/ec.asl>\n")
+
+ KconfigBool["EC_LENOVO_PMH7"] = true
+ KconfigBool["EC_LENOVO_H8"] = true
+
+ pmh := DevTreeNode{
+ Chip: "ec/lenovo/pmh7",
+ Registers: map[string]string{
+ "backlight_enable": "true",
+ "dock_event_enable": "true",
+ },
+ Children: []DevTreeNode{
+ DevTreeNode{
+ Chip: "pnp",
+ Comment: "dummy",
+ Dev: 0xff,
+ Func: 1,
+ },
+ },
+ }
+ PutChip("lpc", pmh)
+
+ ecs := ctx.InfoSource.GetEC()
+ h8 := DevTreeNode{
+ Chip: "ec/lenovo/h8",
+ Children: []DevTreeNode{
+ DevTreeNode{
+ Chip: "pnp",
+ Comment: "dummy",
+ Dev: 0xff,
+ Func: 2,
+ IOs: map[uint16]uint16{
+ 0x60: 0x62,
+ 0x62: 0x66,
+ 0x64: 0x1600,
+ 0x66: 0x1604,
+ },
+ },
+ },
+ Comment: "FIXME: has_keyboard_backlight, has_power_management_beeps, has_uwb",
+ Registers: map[string]string{
+ "config0": FormatHex8(ecs[0]),
+ "config1": FormatHex8(ecs[1]),
+ "config2": FormatHex8(ecs[2]),
+ "config3": FormatHex8(ecs[3]),
+ "beepmask0": FormatHex8(ecs[4]),
+ "beepmask1": FormatHex8(ecs[5]),
+ },
+ }
+ for i := 0; i < 0x10; i++ {
+ if ecs[0x10+i] != 0 {
+ h8.Registers[fmt.Sprintf("event%x_enable", i)] = FormatHex8(ecs[0x10+i])
+ }
+ }
+ PutChip("lpc", h8)
+
+ eeprom := DevTreeNode{
+ Chip: "drivers/i2c/at24rf08c",
+ Comment: "eeprom, 8 virtual devices, same chip",
+ Children: []DevTreeNode{
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x54,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x55,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x56,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x57,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x5c,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x5d,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x5e,
+ },
+ DevTreeNode{
+ Chip: "i2c",
+ Dev: 0x5f,
+ },
+ },
+ }
+ PutChip("smbus", eeprom)
+}