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authorRavi Sarawadi <ravishankar.sarawadi@intel.com>2017-09-28 17:06:01 -0700
committerAaron Durbin <adurbin@chromium.org>2017-10-03 20:23:21 +0000
commit1483d1fcda092283c303fd1d4f4aeca75dcd0bf1 (patch)
tree8d7fd3948634e5a8b46aaa2655a759c00843ff9c /src
parenta9b5a393955d2731eb20e3312b95859a55d6230d (diff)
downloadcoreboot-1483d1fcda092283c303fd1d4f4aeca75dcd0bf1.tar.xz
soc/intel/skylake: Enable common LPC IP
Enable Skylake to use the new common LPC code. This will help to reduce code duplication and streamline code bring up. Change-Id: I042e459fb7c07f024a7f6a5fe7da13eb5f0dd688 Signed-off-by: Ravi Sarawadi <ravishankar.sarawadi@intel.com> Reviewed-on: https://review.coreboot.org/20120 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/skylake/Kconfig1
-rw-r--r--src/soc/intel/skylake/Makefile.inc1
-rw-r--r--src/soc/intel/skylake/acpi.c6
-rw-r--r--src/soc/intel/skylake/bootblock/pch.c76
-rw-r--r--src/soc/intel/skylake/finalize.c2
-rw-r--r--src/soc/intel/skylake/include/soc/acpi.h4
-rw-r--r--src/soc/intel/skylake/include/soc/iomap.h3
-rw-r--r--src/soc/intel/skylake/include/soc/lpc.h58
-rw-r--r--src/soc/intel/skylake/irq.c71
-rw-r--r--src/soc/intel/skylake/lockdown.c17
-rw-r--r--src/soc/intel/skylake/lpc.c291
-rw-r--r--src/soc/intel/skylake/pmutil.c2
12 files changed, 134 insertions, 398 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index 6deadd86a3..3c676d8dc2 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -62,6 +62,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_GSPI
select SOC_INTEL_COMMON_BLOCK_ITSS
select SOC_INTEL_COMMON_BLOCK_I2C
+ select SOC_INTEL_COMMON_BLOCK_LPC
select SOC_INTEL_COMMON_BLOCK_LPSS
select SOC_INTEL_COMMON_BLOCK_PCIE
select SOC_INTEL_COMMON_BLOCK_PCR
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 7046b8106c..d12ba0878a 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -21,6 +21,7 @@ bootblock-y += gspi.c
bootblock-y += pch.c
bootblock-y += pmutil.c
bootblock-y += spi.c
+bootblock-y += lpc.c
verstage-y += gspi.c
verstage-y += pch.c
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index cfb98cd627..387cb6da74 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -31,11 +31,11 @@
#include <cpu/intel/turbo.h>
#include <ec/google/chromeec/ec.h>
#include <intelblocks/cpulib.h>
+#include <intelblocks/lpc_lib.h>
#include <soc/intel/common/acpi.h>
#include <soc/acpi.h>
#include <soc/cpu.h>
#include <soc/iomap.h>
-#include <soc/lpc.h>
#include <soc/msr.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
@@ -556,7 +556,7 @@ unsigned long acpi_madt_irq_overrides(unsigned long current)
return current;
}
-unsigned long southcluster_write_acpi_tables(device_t device,
+unsigned long southbridge_write_acpi_tables(device_t device,
unsigned long current,
struct acpi_rsdp *rsdp)
{
@@ -564,7 +564,7 @@ unsigned long southcluster_write_acpi_tables(device_t device,
return acpi_align_current(current);
}
-void southcluster_inject_dsdt(device_t device)
+void southbridge_inject_dsdt(device_t device)
{
global_nvs_t *gnvs;
diff --git a/src/soc/intel/skylake/bootblock/pch.c b/src/soc/intel/skylake/bootblock/pch.c
index 2502563a30..67951f6a5f 100644
--- a/src/soc/intel/skylake/bootblock/pch.c
+++ b/src/soc/intel/skylake/bootblock/pch.c
@@ -20,12 +20,12 @@
#include <device/pci_def.h>
#include <intelblocks/fast_spi.h>
#include <intelblocks/itss.h>
+#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <intelblocks/rtc.h>
#include <intelblocks/smbus.h>
#include <soc/bootblock.h>
#include <soc/iomap.h>
-#include <soc/lpc.h>
#include <soc/p2sb.h>
#include <soc/pch.h>
#include <soc/pci_devs.h>
@@ -34,20 +34,12 @@
#include <soc/pmc.h>
#include <soc/smbus.h>
-#define PCR_DMI_LPCLGIR1 0x2730
-#define PCR_DMI_LPCLGIR2 0x2734
-#define PCR_DMI_LPCLGIR3 0x2738
-#define PCR_DMI_LPCLGIR4 0x273c
-
#define PCR_DMI_ACPIBA 0x27B4
#define PCR_DMI_ACPIBDID 0x27B8
#define PCR_DMI_PMBASEA 0x27AC
#define PCR_DMI_PMBASEC 0x27B0
#define PCR_DMI_TCOBASE 0x2778
-#define PCR_DMI_LPCIOD 0x2770
-#define PCR_DMI_LPCIOE 0x2774
-
static void enable_p2sbbar(void)
{
device_t dev = PCH_DEV_P2SB;
@@ -73,54 +65,6 @@ void bootblock_pch_early_init(void)
enable_p2sbbar();
}
-static void pch_enable_lpc(void)
-{
- /* Lookup device tree in romstage */
- const struct device *dev;
- const config_t *config;
-
- dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
- if (!dev || !dev->chip_info)
- return;
- config = dev->chip_info;
-
- /* Set in PCI generic decode range registers */
- pci_write_config32(PCH_DEV_LPC, LPC_GEN1_DEC, config->gen1_dec);
- pci_write_config32(PCH_DEV_LPC, LPC_GEN2_DEC, config->gen2_dec);
- pci_write_config32(PCH_DEV_LPC, LPC_GEN3_DEC, config->gen3_dec);
- pci_write_config32(PCH_DEV_LPC, LPC_GEN4_DEC, config->gen4_dec);
-
- /* Mirror these same settings in DMI PCR */
- pcr_write32(PID_DMI, PCR_DMI_LPCLGIR1, config->gen1_dec);
- pcr_write32(PID_DMI, PCR_DMI_LPCLGIR2, config->gen2_dec);
- pcr_write32(PID_DMI, PCR_DMI_LPCLGIR3, config->gen3_dec);
- pcr_write32(PID_DMI, PCR_DMI_LPCLGIR4, config->gen4_dec);
-}
-
-static void pch_interrupt_init(void)
-{
- const struct device *dev;
- const config_t *config;
- uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG];
-
- dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
- if (!dev || !dev->chip_info)
- return;
- config = dev->chip_info;
-
- pch_interrupt_routing[0] = config->pirqa_routing;
- pch_interrupt_routing[1] = config->pirqb_routing;
- pch_interrupt_routing[2] = config->pirqc_routing;
- pch_interrupt_routing[3] = config->pirqd_routing;
- pch_interrupt_routing[4] = config->pirqe_routing;
- pch_interrupt_routing[5] = config->pirqf_routing;
- pch_interrupt_routing[6] = config->pirqg_routing;
- pch_interrupt_routing[7] = config->pirqh_routing;
-
- itss_irq_init(pch_interrupt_routing);
-}
-
-
static void soc_config_acpibase(void)
{
uint32_t reg32;
@@ -235,18 +179,12 @@ static void enable_heci(void)
void pch_early_iorange_init(void)
{
- /* Lookup device tree in romstage */
- u16 lpc_en;
-
/* IO Decode Range */
- lpc_en = COMA_RANGE | (COMB_RANGE << 4);
- pci_write_config16(PCH_DEV_LPC, LPC_IO_DEC, lpc_en);
- pcr_write16(PID_DMI, PCR_DMI_LPCIOD, lpc_en);
+ lpc_io_setup_comm_a_b();
/* IO Decode Enable */
- lpc_en = CNF1_LPC_EN | COMA_LPC_EN | KBC_LPC_EN | MC_LPC_EN;
- pci_write_config16(PCH_DEV_LPC, LPC_EN, lpc_en);
- pcr_write16(PID_DMI, PCR_DMI_LPCIOE, lpc_en);
+ lpc_enable_fixed_io_ranges(LPC_IOE_SUPERIO_2E_2F | LPC_IOE_KBC_60_64 |
+ LPC_IOE_EC_62_66);
/* Program generic IO Decode Range */
pch_enable_lpc();
@@ -269,12 +207,6 @@ void pch_early_init(void)
/* Programming TCO_BASE_ADDRESS and TCO Timer Halt */
soc_config_tco();
- /*
- * Interrupt Configuration Register Programming
- * PIRQx to IRQ Programming
- */
- pch_interrupt_init();
-
/* Program SMBUS_BASE_ADDRESS and Enable it */
smbus_common_init();
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
index 770cc1bf77..bcaa283598 100644
--- a/src/soc/intel/skylake/finalize.c
+++ b/src/soc/intel/skylake/finalize.c
@@ -21,10 +21,10 @@
#include <console/post_codes.h>
#include <cpu/x86/smm.h>
#include <device/pci.h>
+#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <reg_script.h>
#include <spi-generic.h>
-#include <soc/lpc.h>
#include <soc/me.h>
#include <soc/p2sb.h>
#include <soc/pci_devs.h>
diff --git a/src/soc/intel/skylake/include/soc/acpi.h b/src/soc/intel/skylake/include/soc/acpi.h
index 94c7c2ff94..b0d2194612 100644
--- a/src/soc/intel/skylake/include/soc/acpi.h
+++ b/src/soc/intel/skylake/include/soc/acpi.h
@@ -29,8 +29,8 @@
void acpi_fill_in_fadt(acpi_fadt_t *fadt);
unsigned long acpi_madt_irq_overrides(unsigned long current);
void acpi_mainboard_gnvs(global_nvs_t *gnvs);
-void southcluster_inject_dsdt(device_t device);
-unsigned long southcluster_write_acpi_tables(device_t device,
+void southbridge_inject_dsdt(device_t device);
+unsigned long southbridge_write_acpi_tables(device_t device,
unsigned long current, struct acpi_rsdp *rsdp);
#endif /* _SOC_ACPI_H_ */
diff --git a/src/soc/intel/skylake/include/soc/iomap.h b/src/soc/intel/skylake/include/soc/iomap.h
index de9ef97744..7e99d9984c 100644
--- a/src/soc/intel/skylake/include/soc/iomap.h
+++ b/src/soc/intel/skylake/include/soc/iomap.h
@@ -25,6 +25,9 @@
#define MCFG_BASE_ADDRESS CONFIG_MMCONF_BASE_ADDRESS
#define MCFG_BASE_SIZE 0x4000000
+#define PCH_PRESERVED_BASE_ADDRESS 0xfc800000
+#define PCH_PRESERVED_BASE_SIZE 0x02000000
+
#define UART_DEBUG_BASE_0_SIZE 0x1000
#define UART_BASE_0_ADDRESS 0xfe030000
/* Both UART BAR 0 and 1 are 4KB in size */
diff --git a/src/soc/intel/skylake/include/soc/lpc.h b/src/soc/intel/skylake/include/soc/lpc.h
deleted file mode 100644
index f3541a07c6..0000000000
--- a/src/soc/intel/skylake/include/soc/lpc.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google Inc.
- * Copyright (C) 2015 Intel Corporation.
- *
- * 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.
- */
-
-#ifndef _SOC_LPC_H_
-#define _SOC_LPC_H_
-
-/* PCI Configuration Space (D31:F0): LPC */
-#define ABASE 0x40
-#define ACNTL 0x44
-#define ACPI_EN (1 << 7)
-#define SCI_IRQ_SEL (7 << 0)
-#define SCIS_IRQ9 0
-#define SCIS_IRQ10 1
-#define SCIS_IRQ11 2
-#define SCIS_IRQ20 4
-#define SCIS_IRQ21 5
-#define SCIS_IRQ22 6
-#define SCIS_IRQ23 7
-#define SERIRQ_CNTL 0x64
-#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
-#define COMA_RANGE 0x0 /* 0x3F8 - 0x3FF COM1*/
-#define COMB_RANGE 0x1 /* 0x2F8 - 0x2FF COM2*/
-#define LPC_EN 0x82 /* LPC IF Enables Register */
-#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
-#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
-#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */
-#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */
-#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */
-#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */
-#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */
-#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */
-#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */
-#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[2:0] */
-#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */
-#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
-#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
-#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
-#define LGMR 0x98 /* LPC Generic Memory Range */
-#define BIOS_CNTL 0xdc
-#define LPC_BC_BILD (1 << 7) /* BILD */
-#define LPC_BC_LE (1 << 1) /* LE */
-#define LPC_BC_EISS (1 << 5) /* EISS */
-#define PCCTL 0xE0 /* PCI Clock Control */
-#define CLKRUN_EN (1 << 0)
-#endif
diff --git a/src/soc/intel/skylake/irq.c b/src/soc/intel/skylake/irq.c
index 649f1375cb..d5778960c0 100644
--- a/src/soc/intel/skylake/irq.c
+++ b/src/soc/intel/skylake/irq.c
@@ -15,6 +15,8 @@
#include <device/device.h>
#include <device/pci.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/itss.h>
#include <soc/ramstage.h>
#include <soc/interrupt.h>
#include <soc/irq.h>
@@ -267,3 +269,72 @@ void soc_irq_settings(FSP_SIL_UPD *params)
/* TCO Irq enable/disable */
params->TcoIrqEnable = config->TcoIrqEnable;
}
+
+/*
+ * PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
+ * 0x00 - 0000 = Reserved
+ * 0x01 - 0001 = Reserved
+ * 0x02 - 0010 = Reserved
+ * 0x03 - 0011 = IRQ3
+ * 0x04 - 0100 = IRQ4
+ * 0x05 - 0101 = IRQ5
+ * 0x06 - 0110 = IRQ6
+ * 0x07 - 0111 = IRQ7
+ * 0x08 - 1000 = Reserved
+ * 0x09 - 1001 = IRQ9
+ * 0x0A - 1010 = IRQ10
+ * 0x0B - 1011 = IRQ11
+ * 0x0C - 1100 = IRQ12
+ * 0x0D - 1101 = Reserved
+ * 0x0E - 1110 = IRQ14
+ * 0x0F - 1111 = IRQ15
+ * PIRQ[n]_ROUT[7] - PIRQ Routing Control
+ * 0x80 - The PIRQ is not routed.
+ */
+
+void soc_pch_pirq_init(const struct device *dev)
+{
+ const config_t *config = dev->chip_info;
+ uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG];
+ device_t irq_dev;
+
+ pch_interrupt_routing[0] = config->pirqa_routing;
+ pch_interrupt_routing[1] = config->pirqb_routing;
+ pch_interrupt_routing[2] = config->pirqc_routing;
+ pch_interrupt_routing[3] = config->pirqd_routing;
+ pch_interrupt_routing[4] = config->pirqe_routing;
+ pch_interrupt_routing[5] = config->pirqf_routing;
+ pch_interrupt_routing[6] = config->pirqg_routing;
+ pch_interrupt_routing[7] = config->pirqh_routing;
+
+ itss_irq_init(pch_interrupt_routing);
+
+ for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
+ u8 int_pin = 0, int_line = 0;
+
+ if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
+ continue;
+
+ int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
+
+ switch (int_pin) {
+ case 1: /* INTA# */
+ int_line = config->pirqa_routing;
+ break;
+ case 2: /* INTB# */
+ int_line = config->pirqb_routing;
+ break;
+ case 3: /* INTC# */
+ int_line = config->pirqc_routing;
+ break;
+ case 4: /* INTD# */
+ int_line = config->pirqd_routing;
+ break;
+ }
+
+ if (!int_line)
+ continue;
+
+ pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
+ }
+}
diff --git a/src/soc/intel/skylake/lockdown.c b/src/soc/intel/skylake/lockdown.c
index 8c34fa73ed..79f6f70987 100644
--- a/src/soc/intel/skylake/lockdown.c
+++ b/src/soc/intel/skylake/lockdown.c
@@ -17,8 +17,8 @@
#include <bootstate.h>
#include <chip.h>
#include <intelblocks/fast_spi.h>
+#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
-#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/pcr_ids.h>
#include <soc/pm.h>
@@ -29,18 +29,11 @@
static void lpc_lockdown_config(const struct soc_intel_skylake_config *config)
{
- struct device *dev;
- uint8_t reg_mask = 0;
-
- dev = PCH_DEV_LPC;
-
/* Set Bios Interface Lock, Bios Lock */
- if (config->chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT)
- reg_mask |= LPC_BC_BILD | LPC_BC_LE;
-
- pci_or_config8(dev, BIOS_CNTL, reg_mask);
- /* Ensure an additional read back after performing lock down */
- pci_read_config8(dev, BIOS_CNTL);
+ if (config->chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) {
+ lpc_set_bios_interface_lock_down();
+ lpc_set_lock_enable();
+ }
}
static void pmc_lockdown_config(void)
diff --git a/src/soc/intel/skylake/lpc.c b/src/soc/intel/skylake/lpc.c
index 295dace34f..bd6fbc4542 100644
--- a/src/soc/intel/skylake/lpc.c
+++ b/src/soc/intel/skylake/lpc.c
@@ -15,7 +15,6 @@
* GNU General Public License for more details.
*/
-#include <arch/acpigen.h>
#include "chip.h"
#include <console/console.h>
#include <delay.h>
@@ -26,28 +25,26 @@
#include <pc80/i8259.h>
#include <arch/io.h>
#include <arch/ioapic.h>
-#include <arch/acpi.h>
-#include <cpu/cpu.h>
-#include <cpu/x86/smm.h>
-#include <cbmem.h>
#include <intelblocks/itss.h>
+#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <reg_script.h>
-#include <string.h>
-#include <soc/acpi.h>
-#include <soc/gpio.h>
#include <soc/iomap.h>
-#include <soc/lpc.h>
-#include <soc/nvs.h>
-#include <soc/pch.h>
-#include <soc/pci_devs.h>
-#include <soc/pm.h>
-#include <soc/pmc.h>
-#include <soc/ramstage.h>
#include <soc/pcr_ids.h>
-#if IS_ENABLED(CONFIG_CHROMEOS)
-#include <vendorcode/google/chromeos/chromeos.h>
-#endif
+
+/**
+ PCH preserved MMIO range, 24 MB, from 0xFD000000 to 0xFE7FFFFF
+**/
+
+static const struct lpc_mmio_range skl_lpc_fixed_mmio_ranges[] = {
+ { PCH_PRESERVED_BASE_ADDRESS, PCH_PRESERVED_BASE_SIZE },
+ { 0, 0 }
+};
+
+const struct lpc_mmio_range *soc_get_fixed_mmio_ranges(void)
+{
+ return skl_lpc_fixed_mmio_ranges;
+}
static void pch_enable_ioapic(struct device *dev)
{
@@ -72,75 +69,24 @@ static void pch_enable_ioapic(struct device *dev)
io_apic_write((void *)IO_APIC_ADDR, 0x03, 0x01);
}
-/*
- * PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
- * 0x00 - 0000 = Reserved
- * 0x01 - 0001 = Reserved
- * 0x02 - 0010 = Reserved
- * 0x03 - 0011 = IRQ3
- * 0x04 - 0100 = IRQ4
- * 0x05 - 0101 = IRQ5
- * 0x06 - 0110 = IRQ6
- * 0x07 - 0111 = IRQ7
- * 0x08 - 1000 = Reserved
- * 0x09 - 1001 = IRQ9
- * 0x0A - 1010 = IRQ10
- * 0x0B - 1011 = IRQ11
- * 0x0C - 1100 = IRQ12
- * 0x0D - 1101 = Reserved
- * 0x0E - 1110 = IRQ14
- * 0x0F - 1111 = IRQ15
- * PIRQ[n]_ROUT[7] - PIRQ Routing Control
- * 0x80 - The PIRQ is not routed.
- */
-
-static void pch_pirq_init(device_t dev)
+void soc_get_gen_io_dec_range(const struct device *dev, uint32_t *gen_io_dec)
{
- device_t irq_dev;
- config_t *config = dev->chip_info;
- uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG];
+ const config_t *config = dev->chip_info;
- pch_interrupt_routing[0] = config->pirqa_routing;
- pch_interrupt_routing[1] = config->pirqb_routing;
- pch_interrupt_routing[2] = config->pirqc_routing;
- pch_interrupt_routing[3] = config->pirqd_routing;
- pch_interrupt_routing[4] = config->pirqe_routing;
- pch_interrupt_routing[5] = config->pirqf_routing;
- pch_interrupt_routing[6] = config->pirqg_routing;
- pch_interrupt_routing[7] = config->pirqh_routing;
-
- itss_irq_init(pch_interrupt_routing);
-
- for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
- u8 int_pin = 0, int_line = 0;
-
- if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
- continue;
-
- int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
-
- switch (int_pin) {
- case 1: /* INTA# */
- int_line = config->pirqa_routing;
- break;
- case 2: /* INTB# */
- int_line = config->pirqb_routing;
- break;
- case 3: /* INTC# */
- int_line = config->pirqc_routing;
- break;
- case 4: /* INTD# */
- int_line = config->pirqd_routing;
- break;
- }
-
- if (!int_line)
- continue;
-
- pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
- }
+ gen_io_dec[0] = config->gen1_dec;
+ gen_io_dec[1] = config->gen2_dec;
+ gen_io_dec[2] = config->gen3_dec;
+ gen_io_dec[3] = config->gen4_dec;
}
+void soc_setup_dmi_pcr_io_dec(uint32_t *gen_io_dec)
+{
+ /* Mirror these same settings in DMI PCR */
+ pcr_write32(PID_DMI, PCR_DMI_LPCLGIR1, gen_io_dec[0]);
+ pcr_write32(PID_DMI, PCR_DMI_LPCLGIR2, gen_io_dec[1]);
+ pcr_write32(PID_DMI, PCR_DMI_LPCLGIR3, gen_io_dec[2]);
+ pcr_write32(PID_DMI, PCR_DMI_LPCLGIR4, gen_io_dec[3]);
+}
static const struct reg_script pch_misc_init_script[] = {
/* Setup NMI on errors, disable SERR */
@@ -149,19 +95,12 @@ static const struct reg_script pch_misc_init_script[] = {
REG_IO_OR8(0x70, (1 << 7)),
/* Enable BIOS updates outside of SMM */
REG_PCI_RMW8(0xdc, ~(1 << 5), 0),
- /* Setup SERIRQ, enable continuous mode */
- REG_PCI_OR8(SERIRQ_CNTL, (1 << 7) | (1 << 6)),
-#if !IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE)
- REG_PCI_RMW8(SERIRQ_CNTL, ~(1 << 6), 0),
-#endif
- /* Enable CLKRUN_EN for power gating LPC */
- REG_PCI_OR8(PCCTL, (CLKRUN_EN)),
REG_SCRIPT_END
};
static void clock_gate_8254(struct device *dev)
{
- config_t *config = dev->chip_info;
+ const config_t *config = dev->chip_info;
if (!config->clock_gate_8254)
return;
@@ -169,171 +108,25 @@ static void clock_gate_8254(struct device *dev)
itss_clock_gate_8254();
}
-static void lpc_init(struct device *dev)
+void lpc_init(struct device *dev)
{
/* Legacy initialization */
isa_dma_init();
- reg_script_run_on_dev(dev, pch_misc_init_script);
+ reg_script_run_on_dev(PCH_DEV_LPC, pch_misc_init_script);
+
+ /* Enable CLKRUN_EN for power gating LPC */
+ lpc_enable_pci_clk_cntl();
+
+ /* Set LPC Serial IRQ mode */
+ if (IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE))
+ lpc_set_serirq_mode(SERIRQ_CONTINUOUS);
+ else
+ lpc_set_serirq_mode(SERIRQ_QUIET);
/* Interrupt configuration */
pch_enable_ioapic(dev);
- pch_pirq_init(dev);
+ soc_pch_pirq_init(dev);
setup_i8259();
i8259_configure_irq_trigger(9, 1);
clock_gate_8254(dev);
}
-
-static void pch_lpc_add_mmio_resources(device_t dev)
-{
- u32 reg;
- struct resource *res;
- /*
- * As per the BWG, Chapter 5.9.1. "PCH BIOS component will reserve
- * certain memory range as reserved range for BIOS usage.
- * For this SOC, the range will be from 0FD000000h till FE7FFFFFh"
- * Hence, use FD000000h as PCR_BASE
- */
- const u32 default_decode_base = CONFIG_PCR_BASE_ADDRESS;
-
- res = new_resource(dev, PCI_BASE_ADDRESS_0);
- res->base = default_decode_base;
- res->size = 0 - default_decode_base;
- res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
- IORESOURCE_FIXED | IORESOURCE_RESERVE;
-
- /* Check LPC Memory Decode register. */
- reg = pci_read_config32(dev, LGMR);
- if (reg & 1) {
- reg &= ~0xffff;
- if (reg < default_decode_base) {
- res = new_resource(dev, LGMR);
- res->base = reg;
- res->size = 16 * 1024;
- res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
- IORESOURCE_FIXED | IORESOURCE_RESERVE;
- }
- }
-}
-
-/* Default IO range claimed by the LPC device. The upper bound is exclusive. */
-#define LPC_DEFAULT_IO_RANGE_LOWER 0
-#define LPC_DEFAULT_IO_RANGE_UPPER 0x1000
-
-static inline int pch_io_range_in_default(u16 base, u16 size)
-{
- /* Does it start above the range? */
- if (base >= LPC_DEFAULT_IO_RANGE_UPPER)
- return 0;
-
- /*
- * Is it entirely contained?
- * Since LPC_DEFAULT_IO_RANGE_LOWER is Zero,
- * it need not be checked against lower base.
- */
- if ((base + size) < LPC_DEFAULT_IO_RANGE_UPPER)
- return 1;
-
- /* This will return not in range for partial overlaps. */
- return 0;
-}
-
-/*
- * Note: this function assumes there is no overlap with the default LPC device's
- * claimed range: LPC_DEFAULT_IO_RANGE_LOWER -> LPC_DEFAULT_IO_RANGE_UPPER.
- */
-static void pch_lpc_add_io_resource(device_t dev, u16 base, u16 size, int index)
-{
- struct resource *res;
-
- if (pch_io_range_in_default(base, size))
- return;
-
- res = new_resource(dev, index);
- res->base = base;
- res->size = size;
- res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-}
-
-static void pch_lpc_add_gen_io_resources(device_t dev, int reg_value, int index)
-{
- /*
- * Check if the register is enabled. If so and the base exceeds the
- * device's deafult claim range add the resoure.
- */
- if (reg_value & 1) {
- u16 base = reg_value & 0xfffc;
- u16 size = (0x3 | ((reg_value >> 16) & 0xfc)) + 1;
- pch_lpc_add_io_resource(dev, base, size, index);
- }
-}
-
-static void pch_lpc_add_io_resources(device_t dev)
-{
- struct resource *res;
- config_t *config = dev->chip_info;
-
- /* Add the default claimed IO range for the LPC device. */
- res = new_resource(dev, 0);
- res->base = LPC_DEFAULT_IO_RANGE_LOWER;
- res->size = LPC_DEFAULT_IO_RANGE_UPPER - LPC_DEFAULT_IO_RANGE_LOWER;
- res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
- /* LPC Generic IO Decode range. */
- pch_lpc_add_gen_io_resources(dev, config->gen1_dec, LPC_GEN1_DEC);
- pch_lpc_add_gen_io_resources(dev, config->gen2_dec, LPC_GEN2_DEC);
- pch_lpc_add_gen_io_resources(dev, config->gen3_dec, LPC_GEN3_DEC);
- pch_lpc_add_gen_io_resources(dev, config->gen4_dec, LPC_GEN4_DEC);
-}
-
-static void pch_lpc_read_resources(device_t dev)
-{
- global_nvs_t *gnvs;
-
- /* Get the normal PCI resources of this device. */
- pci_dev_read_resources(dev);
-
- /* Add non-standard MMIO resources. */
- pch_lpc_add_mmio_resources(dev);
-
- /* Add IO resources. */
- pch_lpc_add_io_resources(dev);
-
- /* Allocate ACPI NVS in CBMEM */
- gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t));
- if (!acpi_is_wakeup_s3() && gnvs)
- memset(gnvs, 0, sizeof(global_nvs_t));
-}
-
-static struct device_operations device_ops = {
- .read_resources = &pch_lpc_read_resources,
- .set_resources = &pci_dev_set_resources,
- .enable_resources = &pci_dev_enable_resources,
- .acpi_inject_dsdt_generator = southcluster_inject_dsdt,
- .write_acpi_tables = southcluster_write_acpi_tables,
- .init = &lpc_init,
- .scan_bus = &scan_lpc_bus,
- .ops_pci = &soc_pci_ops,
-};
-
-static const unsigned short pci_device_ids[] = {
- PCI_DEVICE_ID_INTEL_SPT_LP_SAMPLE,
- PCI_DEVICE_ID_INTEL_SPT_LP_U_BASE,
- PCI_DEVICE_ID_INTEL_SPT_LP_U_PREMIUM,
- PCI_DEVICE_ID_INTEL_SPT_LP_Y_PREMIUM,
- PCI_DEVICE_ID_INTEL_KBP_H_QM170,
- PCI_DEVICE_ID_INTEL_KBP_H_PREMIUM,
- PCI_DEVICE_ID_INTEL_KBP_H_C236,
- PCI_DEVICE_ID_INTEL_KBP_LP_SUPER_SKU,
- PCI_DEVICE_ID_INTEL_KBP_LP_U_PREMIUM,
- PCI_DEVICE_ID_INTEL_KBP_LP_Y_PREMIUM,
- PCI_DEVICE_ID_INTEL_SPT_LP_Y_PREMIUM_HDCP22,
- PCI_DEVICE_ID_INTEL_SPT_LP_U_PREMIUM_HDCP22,
- PCI_DEVICE_ID_INTEL_SPT_LP_U_BASE_HDCP22,
- 0
-};
-
-static const struct pci_driver pch_lpc __pci_driver = {
- .ops = &device_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .devices = pci_device_ids,
-};
diff --git a/src/soc/intel/skylake/pmutil.c b/src/soc/intel/skylake/pmutil.c
index 36e4784a10..7af138f170 100644
--- a/src/soc/intel/skylake/pmutil.c
+++ b/src/soc/intel/skylake/pmutil.c
@@ -27,12 +27,12 @@
#include <device/pci_def.h>
#include <console/console.h>
#include <halt.h>
+#include <intelblocks/lpc_lib.h>
#include <rules.h>
#include <stdlib.h>
#include <soc/gpe.h>
#include <soc/gpio.h>
#include <soc/iomap.h>
-#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/pmc.h>