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authorAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 13:20:26 -0700
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 22:23:24 +0000
commitfb50124d22014742b6990a95df87a7a828e891b6 (patch)
tree2de7958eedfd8b2ce34f148af251ad6ce13930e4 /src/southbridge/intel/fsp_bd82x6x/smi.c
parentecf2eb463faff04ab6061eb5dfd8da26c5026a97 (diff)
Remove sandybridge and ivybridge FSP code path
We already have two other code paths for this silicon. Maintaining the FSP path as well doesn't make much sense. There was only one board to use this code, and it's a reference board that I doubt anyone still owns or uses. Change-Id: I4fcfa6c56448416624fd26418df19b354eb72f39 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/11789 Tested-by: build bot (Jenkins) Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Diffstat (limited to 'src/southbridge/intel/fsp_bd82x6x/smi.c')
-rw-r--r--src/southbridge/intel/fsp_bd82x6x/smi.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/src/southbridge/intel/fsp_bd82x6x/smi.c b/src/southbridge/intel/fsp_bd82x6x/smi.c
deleted file mode 100644
index 2b4d4ec8fd..0000000000
--- a/src/southbridge/intel/fsp_bd82x6x/smi.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008-2009 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.
- */
-
-
-#include <device/device.h>
-#include <device/pci.h>
-#include <console/console.h>
-#include <arch/io.h>
-#include <cpu/cpu.h>
-#include <cpu/x86/cache.h>
-#include <cpu/x86/smm.h>
-#include <string.h>
-#include <cpu/intel/smm/gen1/smi.h>
-#include "pch.h"
-
-/* While we read PMBASE dynamically in case it changed, let's
- * initialize it with a sane value
- */
-static u16 pmbase = DEFAULT_PMBASE;
-
-/**
- * @brief read and clear PM1_STS
- * @return PM1_STS register
- */
-static u16 reset_pm1_status(void)
-{
- u16 reg16;
-
- reg16 = inw(pmbase + PM1_STS);
- /* set status bits are cleared by writing 1 to them */
- outw(reg16, pmbase + PM1_STS);
-
- return reg16;
-}
-
-static void dump_pm1_status(u16 pm1_sts)
-{
- printk(BIOS_DEBUG, "PM1_STS: ");
- if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK ");
- if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK ");
- if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR ");
- if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC ");
- if (pm1_sts & (1 << 8)) printk(BIOS_DEBUG, "PWRBTN ");
- if (pm1_sts & (1 << 5)) printk(BIOS_DEBUG, "GBL ");
- if (pm1_sts & (1 << 4)) printk(BIOS_DEBUG, "BM ");
- if (pm1_sts & (1 << 0)) printk(BIOS_DEBUG, "TMROF ");
- printk(BIOS_DEBUG, "\n");
-}
-
-/**
- * @brief read and clear SMI_STS
- * @return SMI_STS register
- */
-static u32 reset_smi_status(void)
-{
- u32 reg32;
-
- reg32 = inl(pmbase + SMI_STS);
- /* set status bits are cleared by writing 1 to them */
- outl(reg32, pmbase + SMI_STS);
-
- return reg32;
-}
-
-static void dump_smi_status(u32 smi_sts)
-{
- printk(BIOS_DEBUG, "SMI_STS: ");
- if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI ");
- if (smi_sts & (1 << 25)) printk(BIOS_DEBUG, "EL_SMI ");
- if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR ");
- if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI ");
- if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 ");
- if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 ");
- if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI ");
- if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI ");
- if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC ");
- if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO ");
- if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON ");
- if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI ");
- if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI ");
- if (smi_sts & (1 << 9)) printk(BIOS_DEBUG, "GPE0 ");
- if (smi_sts & (1 << 8)) printk(BIOS_DEBUG, "PM1 ");
- if (smi_sts & (1 << 6)) printk(BIOS_DEBUG, "SWSMI_TMR ");
- if (smi_sts & (1 << 5)) printk(BIOS_DEBUG, "APM ");
- if (smi_sts & (1 << 4)) printk(BIOS_DEBUG, "SLP_SMI ");
- if (smi_sts & (1 << 3)) printk(BIOS_DEBUG, "LEGACY_USB ");
- if (smi_sts & (1 << 2)) printk(BIOS_DEBUG, "BIOS ");
- printk(BIOS_DEBUG, "\n");
-}
-
-
-/**
- * @brief read and clear GPE0_STS
- * @return GPE0_STS register
- */
-static u32 reset_gpe0_status(void)
-{
- u32 reg32;
-
- reg32 = inl(pmbase + GPE0_STS);
- /* set status bits are cleared by writing 1 to them */
- outl(reg32, pmbase + GPE0_STS);
-
- return reg32;
-}
-
-static void dump_gpe0_status(u32 gpe0_sts)
-{
- int i;
- printk(BIOS_DEBUG, "GPE0_STS: ");
- for (i=31; i>= 16; i--) {
- if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16));
- }
- if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 ");
- if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 ");
- if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 ");
- if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME ");
- if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW ");
- if (gpe0_sts & (1 << 9)) printk(BIOS_DEBUG, "PCI_EXP ");
- if (gpe0_sts & (1 << 8)) printk(BIOS_DEBUG, "RI ");
- if (gpe0_sts & (1 << 7)) printk(BIOS_DEBUG, "SMB_WAK ");
- if (gpe0_sts & (1 << 6)) printk(BIOS_DEBUG, "TCO_SCI ");
- if (gpe0_sts & (1 << 5)) printk(BIOS_DEBUG, "AC97 ");
- if (gpe0_sts & (1 << 4)) printk(BIOS_DEBUG, "USB2 ");
- if (gpe0_sts & (1 << 3)) printk(BIOS_DEBUG, "USB1 ");
- if (gpe0_sts & (1 << 2)) printk(BIOS_DEBUG, "HOT_PLUG ");
- if (gpe0_sts & (1 << 0)) printk(BIOS_DEBUG, "THRM ");
- printk(BIOS_DEBUG, "\n");
-}
-
-
-/**
- * @brief read and clear ALT_GP_SMI_STS
- * @return ALT_GP_SMI_STS register
- */
-static u16 reset_alt_gp_smi_status(void)
-{
- u16 reg16;
-
- reg16 = inl(pmbase + ALT_GP_SMI_STS);
- /* set status bits are cleared by writing 1 to them */
- outl(reg16, pmbase + ALT_GP_SMI_STS);
-
- return reg16;
-}
-
-static void dump_alt_gp_smi_status(u16 alt_gp_smi_sts)
-{
- int i;
- printk(BIOS_DEBUG, "ALT_GP_SMI_STS: ");
- for (i=15; i>= 0; i--) {
- if (alt_gp_smi_sts & (1 << i)) printk(BIOS_DEBUG, "GPI%d ", i);
- }
- printk(BIOS_DEBUG, "\n");
-}
-
-
-
-/**
- * @brief read and clear TCOx_STS
- * @return TCOx_STS registers
- */
-static u32 reset_tco_status(void)
-{
- u32 tcobase = pmbase + 0x60;
- u32 reg32;
-
- reg32 = inl(tcobase + 0x04);
- /* set status bits are cleared by writing 1 to them */
- outl(reg32 & ~(1<<18), tcobase + 0x04); // Don't clear BOOT_STS before SECOND_TO_STS
- if (reg32 & (1 << 18))
- outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS
-
- return reg32;
-}
-
-
-static void dump_tco_status(u32 tco_sts)
-{
- printk(BIOS_DEBUG, "TCO_STS: ");
- if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV ");
- if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT ");
- if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO ");
- if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET ");
- if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR ");
- if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI ");
- if (tco_sts & (1 << 9)) printk(BIOS_DEBUG, "DMISCI ");
- if (tco_sts & (1 << 8)) printk(BIOS_DEBUG, "BIOSWR ");
- if (tco_sts & (1 << 7)) printk(BIOS_DEBUG, "NEWCENTURY ");
- if (tco_sts & (1 << 3)) printk(BIOS_DEBUG, "TIMEOUT ");
- if (tco_sts & (1 << 2)) printk(BIOS_DEBUG, "TCO_INT ");
- if (tco_sts & (1 << 1)) printk(BIOS_DEBUG, "SW_TCO ");
- if (tco_sts & (1 << 0)) printk(BIOS_DEBUG, "NMI2SMI ");
- printk(BIOS_DEBUG, "\n");
-}
-
-
-
-/**
- * @brief Set the EOS bit
- */
-static void smi_set_eos(void)
-{
- u8 reg8;
-
- reg8 = inb(pmbase + SMI_EN);
- reg8 |= EOS;
- outb(reg8, pmbase + SMI_EN);
-}
-
-void southbridge_smm_init(void)
-{
- u32 smi_en;
- u16 pm1_en;
- u32 gpe0_en;
-
-#if CONFIG_ELOG
- /* Log events from chipset before clearing */
- pch_log_state();
-#endif
-
- printk(BIOS_DEBUG, "Initializing southbridge SMI...");
-
- pmbase = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
- PMBASE) & 0xff80;
-
- printk(BIOS_SPEW, " ... pmbase = 0x%04x\n", pmbase);
-
- smi_en = inl(pmbase + SMI_EN);
- if (smi_en & APMC_EN) {
- printk(BIOS_INFO, "SMI# handler already enabled?\n");
- return;
- }
-
- printk(BIOS_DEBUG, "\n");
- dump_smi_status(reset_smi_status());
- dump_pm1_status(reset_pm1_status());
- dump_gpe0_status(reset_gpe0_status());
- dump_alt_gp_smi_status(reset_alt_gp_smi_status());
- dump_tco_status(reset_tco_status());
-
- /* Disable GPE0 PME_B0 */
- gpe0_en = inl(pmbase + GPE0_EN);
- gpe0_en &= ~PME_B0_EN;
- outl(gpe0_en, pmbase + GPE0_EN);
-
- pm1_en = 0;
- pm1_en |= PWRBTN_EN;
- pm1_en |= GBL_EN;
- outw(pm1_en, pmbase + PM1_EN);
-
- /* Enable SMI generation:
- * - on TCO events
- * - on APMC writes (io 0xb2)
- * - on writes to SLP_EN (sleep states)
- * - on writes to GBL_RLS (bios commands)
- * No SMIs:
- * - on microcontroller writes (io 0x62/0x66)
- */
-
- smi_en = 0; /* reset SMI enables */
-
-#if 0
- smi_en |= LEGACY_USB2_EN | LEGACY_USB_EN;
-#endif
- smi_en |= TCO_EN;
- smi_en |= APMC_EN;
-#if DEBUG_PERIODIC_SMIS
- /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
- * periodic SMIs.
- */
- smi_en |= PERIODIC_EN;
-#endif
- smi_en |= SLP_SMI_EN;
-#if 0
- smi_en |= BIOS_EN;
-#endif
-
- /* The following need to be on for SMIs to happen */
- smi_en |= EOS | GBL_SMI_EN;
-
- outl(smi_en, pmbase + SMI_EN);
-}
-
-void southbridge_trigger_smi(void)
-{
- /**
- * There are several methods of raising a controlled SMI# via
- * software, among them:
- * - Writes to io 0xb2 (APMC)
- * - Writes to the Local Apic ICR with Delivery mode SMI.
- *
- * Using the local apic is a bit more tricky. According to
- * AMD Family 11 Processor BKDG no destination shorthand must be
- * used.
- * The whole SMM initialization is quite a bit hardware specific, so
- * I'm not too worried about the better of the methods at the moment
- */
-
- /* raise an SMI interrupt */
- printk(BIOS_SPEW, " ... raise SMI#\n");
- outb(0x00, 0xb2);
-}
-
-void southbridge_clear_smi_status(void)
-{
- /* Clear SMI status */
- reset_smi_status();
-
- /* Clear PM1 status */
- reset_pm1_status();
-
- /* Set EOS bit so other SMIs can occur. */
- smi_set_eos();
-}
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
- /*
- * Issue SMI to set the gnvs pointer in SMM.
- * tcg and smi1 are unused.
- *
- * EAX = APM_CNT_GNVS_UPDATE
- * EBX = gnvs pointer
- * EDX = APM_CNT
- */
- asm volatile (
- "outb %%al, %%dx\n\t"
- : /* ignore result */
- : "a" (APM_CNT_GNVS_UPDATE),
- "b" ((u32)gnvs),
- "d" (APM_CNT)
- );
-}