mb/lenovo/*: Remove useless smihandler code

This code to handle the brightness from SMM is copied from the Lenovo
Thinkpad X60 code, but does not work on later generation. The PCI
device it tries to address does not even exist on those devices.

Change-Id: Ia959eb5b747846048396e66d4c926c96c27f3878
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33138
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

5 files changed, 0 insertions, 150 deletions

diff --git a/src/mainboard/lenovo/t420s/smihandler.c b/src/mainboard/lenovo/t420s/smihandler.c
index be4228dc90..2713725b36 100644
--- a/src/mainboard/lenovo/t420s/smihandler.c
+++ b/src/mainboard/lenovo/t420s/smihandler.c
@@ -27,23 +27,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-static void mainboard_smi_brightness_up(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
-				  (value - 0x10) & 0xf0);
-}
-
 static void mainboard_smi_handle_ec_sci(void)
 {
 	u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@ static void mainboard_smi_handle_ec_sci(void)
 
 	event = ec_query();
 	printk(BIOS_DEBUG, "EC event %02x\n", event);
-
-	switch (event) {
-		case 0x14:
-			/* brightness up */
-			mainboard_smi_brightness_up();
-			break;
-		case 0x15:
-			/* brightness down */
-			mainboard_smi_brightness_down();
-			break;
-		default:
-			break;
-	}
 }
 
 void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t430s/smihandler.c b/src/mainboard/lenovo/t430s/smihandler.c
index 876d81c0d7..2810e5ae91 100644
--- a/src/mainboard/lenovo/t430s/smihandler.c
+++ b/src/mainboard/lenovo/t430s/smihandler.c
@@ -27,23 +27,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-static void mainboard_smi_brightness_up(void)
-{
-	u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
-
-	if (value < 0xf0)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
-	u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
-
-	if (value > 0x10)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
-				  (value - 0x10) & 0xf0);
-}
-
 static void mainboard_smi_handle_ec_sci(void)
 {
 	u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@ static void mainboard_smi_handle_ec_sci(void)
 
 	event = ec_query();
 	printk(BIOS_DEBUG, "EC event %02x\n", event);
-
-	switch (event) {
-	case 0x14:
-		/* brightness up */
-		mainboard_smi_brightness_up();
-		break;
-	case 0x15:
-		/* brightness down */
-		mainboard_smi_brightness_down();
-		break;
-	default:
-		break;
-	}
 }
 
 void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t520/smihandler.c b/src/mainboard/lenovo/t520/smihandler.c
index 88ce5046fc..46ad664c3c 100644
--- a/src/mainboard/lenovo/t520/smihandler.c
+++ b/src/mainboard/lenovo/t520/smihandler.c
@@ -27,23 +27,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-static void mainboard_smi_brightness_up(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
-		(value - 0x10) & 0xf0);
-}
-
 static void mainboard_smi_handle_ec_sci(void)
 {
 	u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@ static void mainboard_smi_handle_ec_sci(void)
 
 	event = ec_query();
 	printk(BIOS_DEBUG, "EC event %02x\n", event);
-
-	switch (event) {
-	case 0x14:
-		/* brightness up */
-		mainboard_smi_brightness_up();
-		break;
-	case 0x15:
-		/* brightness down */
-		mainboard_smi_brightness_down();
-		break;
-	default:
-		break;
-	}
 }
 
 void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t530/smihandler.c b/src/mainboard/lenovo/t530/smihandler.c
index bf0f81fc57..46ad664c3c 100644
--- a/src/mainboard/lenovo/t530/smihandler.c
+++ b/src/mainboard/lenovo/t530/smihandler.c
@@ -27,23 +27,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-static void mainboard_smi_brightness_up(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
-				  (value - 0x10) & 0xf0);
-}
-
 static void mainboard_smi_handle_ec_sci(void)
 {
 	u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@ static void mainboard_smi_handle_ec_sci(void)
 
 	event = ec_query();
 	printk(BIOS_DEBUG, "EC event %02x\n", event);
-
-	switch (event) {
-	case 0x14:
-		/* brightness up */
-		mainboard_smi_brightness_up();
-		break;
-	case 0x15:
-		/* brightness down */
-		mainboard_smi_brightness_down();
-		break;
-	default:
-		break;
-	}
 }
 
 void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/x220/smihandler.c b/src/mainboard/lenovo/x220/smihandler.c
index bf0f81fc57..46ad664c3c 100644
--- a/src/mainboard/lenovo/x220/smihandler.c
+++ b/src/mainboard/lenovo/x220/smihandler.c
@@ -27,23 +27,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-static void mainboard_smi_brightness_up(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
-	u8 value;
-
-	if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
-		pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
-				  (value - 0x10) & 0xf0);
-}
-
 static void mainboard_smi_handle_ec_sci(void)
 {
 	u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@ static void mainboard_smi_handle_ec_sci(void)
 
 	event = ec_query();
 	printk(BIOS_DEBUG, "EC event %02x\n", event);
-
-	switch (event) {
-	case 0x14:
-		/* brightness up */
-		mainboard_smi_brightness_up();
-		break;
-	case 0x15:
-		/* brightness down */
-		mainboard_smi_brightness_down();
-		break;
-	default:
-		break;
-	}
 }
 
 void mainboard_smi_gpi(u32 gpi_sts)