Change in coreboot[master]: [WIP] pc80/rtc/option: Move register backup for SMI

[Kyösti Mälkki (Code Review)]

Attention is currently required from: Alexander Couzens, Patrick Rudolph.
Kyösti Mälkki has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/49253 )

Change subject: [WIP] pc80/rtc/option: Move register backup for SMI
......................................................................

[WIP] pc80/rtc/option: Move register backup for SMI

Change-Id: I025e9952a949834755f5cbc3dfe7b26ab9aaa032
Signed-off-by: Kyösti Mälkki 
---
M src/mainboard/lenovo/x60/smihandler.c
M src/soc/intel/broadwell/pch/smihandler.c
M src/southbridge/intel/common/smihandler.c
M src/southbridge/intel/lynxpoint/smihandler.c
4 files changed, 0 insertions(+), 28 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/49253/1

diff --git a/src/mainboard/lenovo/x60/smihandler.c b/src/mainboard/lenovo/x60/smihandler.c
index b5889db..a1b50b4 100644
--- a/src/mainboard/lenovo/x60/smihandler.c
+++ b/src/mainboard/lenovo/x60/smihandler.c
@@ -18,18 +18,11 @@
 static void mainboard_smi_save_cmos(void)
 {
    u8 val;
-	u8 tmp70, tmp72;
-
-	tmp70 = inb(0x70);
-	tmp72 = inb(0x72);

val = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
    set_option("tft_brightness", &val);
    val = ec_read(H8_VOLUME_CONTROL);
    set_option("volume", &val);
-
-	outb(tmp70, 0x70);
-	outb(tmp72, 0x72);
 }

int mainboard_io_trap_handler(int smif)
diff --git a/src/soc/intel/broadwell/pch/smihandler.c b/src/soc/intel/broadwell/pch/smihandler.c
index 3a54749..abad5cd 100644
--- a/src/soc/intel/broadwell/pch/smihandler.c
+++ b/src/soc/intel/broadwell/pch/smihandler.c
@@ -128,14 +128,7 @@
 static int power_on_after_fail(void)
 {
    u8 s5pwr = CONFIG_MAINBOARD_POWER_FAILURE_STATE;
-
-	/* save and recover RTC port values */
-	u8 tmp70, tmp72;
-	tmp70 = inb(0x70);
-	tmp72 = inb(0x72);
    get_option(&s5pwr, "power_on_after_fail");
-	outb(tmp70, 0x70);
-	outb(tmp72, 0x72);
    return (s5pwr == MAINBOARD_POWER_ON);
 }

diff --git a/src/southbridge/intel/common/smihandler.c b/src/southbridge/intel/common/smihandler.c
index 90d2f7a..b5e4729 100644
--- a/src/southbridge/intel/common/smihandler.c
+++ b/src/southbridge/intel/common/smihandler.c
@@ -96,14 +96,7 @@
 static int power_on_after_fail(void)
 {
    u8 s5pwr = CONFIG_MAINBOARD_POWER_FAILURE_STATE;
-
-	/* save and recover RTC port values */
-	u8 tmp70, tmp72;
-	tmp70 = inb(0x70);
-	tmp72 = inb(0x72);
    get_option(&s5pwr, "power_on_after_fail");
-	outb(tmp70, 0x70);
-	outb(tmp72, 0x72);
    return (s5pwr == MAINBOARD_POWER_ON);
 }

diff --git a/src/southbridge/intel/lynxpoint/smihandler.c b/src/southbridge/intel/lynxpoint/smihandler.c
index 948e216..03c39d9 100644
--- a/src/southbridge/intel/lynxpoint/smihandler.c
+++ b/src/southbridge/intel/lynxpoint/smihandler.c
@@ -79,14 +79,7 @@
 static int power_on_after_fail(void)
 {
    u8 s5pwr = CONFIG_MAINBOARD_POWER_FAILURE_STATE;
-
-	/* save and recover RTC port values */
-	u8 tmp70, tmp72;
-	tmp70 = inb(0x70);
-	tmp72 = inb(0x72);
    get_option(&s5pwr, "power_on_after_fail");
-	outb(tmp70, 0x70);
-	outb(tmp72, 0x72);
    return (s5pwr == MAINBOARD_POWER_ON);
 }