Migrate 206ax to SMM_MODULES

This gets rid of ugly tseg_relocate for bd82x6x.

This is backport of 29ffa54969414b833de5c61b507b061f920d650b to bd82x6x.

Change-Id: I0f52540851ce8a7edaac257a2aa83d543bb5e530
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10351
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 5 insertions, 46 deletions

diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index 19e540738c..842d9d994f 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -43,7 +43,6 @@
 #define NMI_OFF	0
 
 #define ENABLE_ACPI_MODE_IN_COREBOOT	0
-#define TEST_SMM_FLASH_LOCKDOWN		0
 
 typedef struct southbridge_intel_bd82x6x_config config_t;
 
@@ -427,58 +426,20 @@ static void enable_clock_gating(device_t dev)
 	RCBA32_OR(0x3564, 0x3);
 }
 
-#if CONFIG_HAVE_SMI_HANDLER
-static void pch_lock_smm(struct device *dev)
+static void pch_set_acpi_mode(void)
 {
-#if TEST_SMM_FLASH_LOCKDOWN
-	u8 reg8;
-#endif
-
-	if (!acpi_is_wakeup_s3()) {
+	if (!acpi_is_wakeup_s3() && CONFIG_HAVE_SMI_HANDLER) {
 #if ENABLE_ACPI_MODE_IN_COREBOOT
 		printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n");
-		outb(0xe1, 0xb2); // Enable ACPI mode
+		outb(APM_CNT_ACPI_ENABLE, APM_CNT); // Enable ACPI mode
 		printk(BIOS_DEBUG, "done.\n");
 #else
 		printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
-		outb(0x1e, 0xb2); // Disable ACPI mode
+		outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode
 		printk(BIOS_DEBUG, "done.\n");
 #endif
 	}
-
-	/* Don't allow evil boot loaders, kernels, or
-	 * userspace applications to deceive us:
-	 */
-	smm_lock();
-
-#if TEST_SMM_FLASH_LOCKDOWN
-	/* Now try this: */
-	printk(BIOS_DEBUG, "Locking BIOS to RO... ");
-	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
-	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
-			(reg8&1)?"rw":"ro");
-	reg8 &= ~(1 << 0);			/* clear BIOSWE */
-	pci_write_config8(dev, 0xdc, reg8);
-	reg8 |= (1 << 1);			/* set BLE */
-	pci_write_config8(dev, 0xdc, reg8);
-	printk(BIOS_DEBUG, "ok.\n");
-	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
-	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
-			(reg8&1)?"rw":"ro");
-
-	printk(BIOS_DEBUG, "Writing:\n");
-	*(volatile u8 *)0xfff00000 = 0x00;
-	printk(BIOS_DEBUG, "Testing:\n");
-	reg8 |= (1 << 0);			/* set BIOSWE */
-	pci_write_config8(dev, 0xdc, reg8);
-
-	reg8 = pci_read_config8(dev, 0xdc);	/* BIOS_CNTL */
-	printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off",
-			(reg8&1)?"rw":"ro");
-	printk(BIOS_DEBUG, "Done.\n");
-#endif
 }
-#endif
 
 static void pch_disable_smm_only_flashing(struct device *dev)
 {
@@ -572,9 +533,7 @@ static void lpc_init(struct device *dev)
 
 	pch_disable_smm_only_flashing(dev);
 
-#if CONFIG_HAVE_SMI_HANDLER
-	pch_lock_smm(dev);
-#endif
+	pch_set_acpi_mode();
 
 	pch_fixups(dev);
 }