GNUBoot/coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
coreboot-kgpe-d16/src/soc/intel/alderlake/espi.c

80 lines
2 KiB
C
Raw Normal View History

soc/intel/alderlake/romstage: Do initial SoC commit till romstage List of changes: 1. Add required SoC programming till romstage 2. Include only required headers into include/soc 3. Add SA EDS document number and chapter number 4. Fill required FSP-M UPD to call FSP-M API Change-Id: I4473aed27363c22e92e66cc6770cb55aae83e75c Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45192 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2020-09-09 10:04:18 +02:00
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* This file is created based on Intel Alder Lake Processor PCH Datasheet
* Document number: 621483
* Chapter number: 2
*/
#include <device/pci.h>
#include <pc80/isa-dma.h>
#include <pc80/i8259.h>
soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage List of changes: 1. Add required SoC programming till ramstage 2. Include only required headers into include/soc 3. Add CPU, PCH and SA EDS document number and chapter number 4. Fill required FSP-S UPD to call FSP-S API Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-09-27 08:00:58 +02:00
#include <arch/ioapic.h>
#include <intelblocks/itss.h>
soc/intel/alderlake/romstage: Do initial SoC commit till romstage List of changes: 1. Add required SoC programming till romstage 2. Include only required headers into include/soc 3. Add SA EDS document number and chapter number 4. Fill required FSP-M UPD to call FSP-M API Change-Id: I4473aed27363c22e92e66cc6770cb55aae83e75c Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45192 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2020-09-09 10:04:18 +02:00
#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <soc/espi.h>
#include <soc/iomap.h>
soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage List of changes: 1. Add required SoC programming till ramstage 2. Include only required headers into include/soc 3. Add CPU, PCH and SA EDS document number and chapter number 4. Fill required FSP-S UPD to call FSP-S API Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-09-27 08:00:58 +02:00
#include <soc/irq.h>
#include <soc/pci_devs.h>
soc/intel/alderlake/romstage: Do initial SoC commit till romstage List of changes: 1. Add required SoC programming till romstage 2. Include only required headers into include/soc 3. Add SA EDS document number and chapter number 4. Fill required FSP-M UPD to call FSP-M API Change-Id: I4473aed27363c22e92e66cc6770cb55aae83e75c Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45192 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2020-09-09 10:04:18 +02:00
#include <soc/pcr_ids.h>
#include <soc/soc_chip.h>
/*
* 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 0FC800000h till FE7FFFFFh"
*/
static const struct lpc_mmio_range lpc_fixed_mmio_ranges[] = {
{ PCH_PRESERVED_BASE_ADDRESS, PCH_PRESERVED_BASE_SIZE },
{ 0, 0 }
};
const struct lpc_mmio_range *soc_get_fixed_mmio_ranges()
{
return lpc_fixed_mmio_ranges;
}
void soc_get_gen_io_dec_range(const struct device *dev, uint32_t *gen_io_dec)
{
const config_t *config = config_of(dev);
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]);
}
soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage List of changes: 1. Add required SoC programming till ramstage 2. Include only required headers into include/soc 3. Add CPU, PCH and SA EDS document number and chapter number 4. Fill required FSP-S UPD to call FSP-S API Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-09-27 08:00:58 +02:00
#if ENV_RAMSTAGE
void lpc_soc_init(struct device *dev)
{
/* Legacy initialization */
isa_dma_init();
soc/intel/alderlake/ramstage: Fix compilation issue Refer to commit 0359d9d (soc/intel: Make use of PMC low power program from common block) commit 1366e44 (soc/intel: Move pch_enable_ioapic() to common code) commit 78463a7 (soc/intel: Move soc_pch_pirq_init() to common code) commit 8971ccd (soc/intel: Move pch_misc_init() to common code) for details Change-Id: Ic83d332cf2bfe8eded1667dd1503e718d854f10b Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46053 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-10-05 16:02:06 +02:00
pch_misc_init();
soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage List of changes: 1. Add required SoC programming till ramstage 2. Include only required headers into include/soc 3. Add CPU, PCH and SA EDS document number and chapter number 4. Fill required FSP-S UPD to call FSP-S API Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-09-27 08:00:58 +02:00
/* Enable CLKRUN_EN for power gating ESPI */
lpc_enable_pci_clk_cntl();
/* Set ESPI Serial IRQ mode */
if (CONFIG(SERIRQ_CONTINUOUS_MODE))
lpc_set_serirq_mode(SERIRQ_CONTINUOUS);
else
lpc_set_serirq_mode(SERIRQ_QUIET);
/* Interrupt configuration */
soc/intel/alderlake/ramstage: Fix compilation issue Refer to commit 0359d9d (soc/intel: Make use of PMC low power program from common block) commit 1366e44 (soc/intel: Move pch_enable_ioapic() to common code) commit 78463a7 (soc/intel: Move soc_pch_pirq_init() to common code) commit 8971ccd (soc/intel: Move pch_misc_init() to common code) for details Change-Id: Ic83d332cf2bfe8eded1667dd1503e718d854f10b Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46053 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-10-05 16:02:06 +02:00
pch_enable_ioapic();
pch_pirq_init();
soc/intel/alderlake/ramstage: Do initial SoC commit till ramstage List of changes: 1. Add required SoC programming till ramstage 2. Include only required headers into include/soc 3. Add CPU, PCH and SA EDS document number and chapter number 4. Fill required FSP-S UPD to call FSP-S API Change-Id: I3394f585d66b14ece67cde9e45ffa1177406f35f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45759 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-09-27 08:00:58 +02:00
setup_i8259();
i8259_configure_irq_trigger(9, 1);
}
#endif
Reference in a new issue Copy permalink