coreboot-kgpe-d16/src/soc/intel/skylake/lpc.c
Angel Pons 72b8fd5a95 soc/intel/skylake: Drop reg-script usage
Using reg-script just to read-modify-write some registers makes no
sense. Replace reg-script usage with regular register operations.

Change-Id: Ib3c83131c30fd02c579b910cfad6843eb28ba8f1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58005
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2021-09-29 21:22:38 +00:00

48 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/device.h>
#include <device/pci.h>
#include <pc80/isa-dma.h>
#include <pc80/i8259.h>
#include <arch/ioapic.h>
#include <intelblocks/itss.h>
#include <intelblocks/lpc_lib.h>
#include <soc/iomap.h>
#include <soc/pcr_ids.h>
#include <soc/intel/common/block/lpc/lpc_def.h>
#include "chip.h"
void soc_get_gen_io_dec_range(uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES])
{
const config_t *config = config_of_soc();
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 lpc_soc_init(struct device *dev)
{
const config_t *const config = config_of(dev);
/* Legacy initialization */
isa_dma_init();
pch_misc_init();
/* Enable BIOS updates outside of SMM */
pci_and_config8(PCH_DEV_LPC, 0xdc, ~(1 << 5));
/* Enable CLKRUN_EN for power gating LPC */
lpc_enable_pci_clk_cntl();
/* Set LPC Serial IRQ mode */
lpc_set_serirq_mode(config->serirq_mode);
/* Interrupt configuration */
pch_enable_ioapic();
pch_pirq_init();
setup_i8259();
i8259_configure_irq_trigger(9, 1);
}