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Migrate 206ax to SMM_MODULES

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This gets rid of ugly tseg_relocate for bd82x6x.

This is backport of 29ffa54969 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>
This commit is contained in:
Vladimir Serbinenko
2015-05-28 16:04:17 +02:00
parent 3c6d36d26f
commit a3e41c0896
10 changed files with 385 additions and 187 deletions
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51
src/southbridge/intel/bd82x6x/lpc.c
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@@ -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);
}