diff options
Diffstat (limited to 'src/soc/intel/braswell/romstage/pmc.c')
| -rw-r--r-- | src/soc/intel/braswell/romstage/pmc.c | 51 |
1 files changed, 1 insertions, 50 deletions
diff --git a/src/soc/intel/braswell/romstage/pmc.c b/src/soc/intel/braswell/romstage/pmc.c index ae627a66fd..68031f6665 100644 --- a/src/soc/intel/braswell/romstage/pmc.c +++ b/src/soc/intel/braswell/romstage/pmc.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google Inc. + * Copyright (C) 2015 Intel Corp. * * 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 @@ -17,18 +18,9 @@ * Foundation, Inc. */ -#include <stddef.h> #include <arch/io.h> -#include <console/console.h> -#include <device/device.h> -#include <device/pci_def.h> #include <soc/iomap.h> -#include <soc/iosf.h> -#include <soc/lpc.h> -#include <soc/pci_devs.h> -#include <soc/pmc.h> #include <soc/romstage.h> -#include "../chip.h" void tco_disable(void) { @@ -38,44 +30,3 @@ void tco_disable(void) reg |= TCO_TMR_HALT; outl(reg, ACPI_BASE_ADDRESS + TCO1_CNT); } - -/* This sequence signals the PUNIT to start running. */ -void punit_init(void) -{ - uint32_t reg; - uint8_t rid; - const struct device *dev; - const struct soc_intel_baytrail_config *cfg = NULL; - - rid = pci_read_config8(IOSF_PCI_DEV, REVID); - dev = dev_find_slot(0, PCI_DEVFN(SOC_DEV, SOC_FUNC)); - - if (dev) - cfg = dev->chip_info; - - reg = iosf_punit_read(SB_BIOS_CONFIG); - /* Write bits 17:16 of SB_BIOS_CONFIG in the PUNIT. */ - reg |= SB_BIOS_CONFIG_PERF_MODE | SB_BIOS_CONFIG_PDM_MODE; - /* Configure VR low power mode for C0 and above. */ - if (rid >= RID_C_STEPPING_START && cfg != NULL && - (cfg->vnn_ps2_enable || cfg->vcc_ps2_enable)) { - printk(BIOS_DEBUG, "Enabling VR PS2 mode: "); - if (cfg->vnn_ps2_enable) { - reg |= SB_BIOS_CONFIG_PS2_EN_VNN; - printk(BIOS_DEBUG, "VNN "); - } - if (cfg->vcc_ps2_enable) { - reg |= SB_BIOS_CONFIG_PS2_EN_VCC; - printk(BIOS_DEBUG, "VCC "); - } - printk(BIOS_DEBUG, "\n"); - } - iosf_punit_write(SB_BIOS_CONFIG, reg); - - /* Write bits 1:0 of BIOS_RESET_CPL in the PUNIT. */ - reg = BIOS_RESET_CPL_ALL_DONE | BIOS_RESET_CPL_RESET_DONE; - pci_write_config32(IOSF_PCI_DEV, MDR_REG, reg); - reg = IOSF_OPCODE(IOSF_OP_WRITE_PMC) | IOSF_PORT(IOSF_PORT_PMC) | - IOSF_REG(BIOS_RESET_CPL) | IOSF_BYTE_EN_0; - pci_write_config32(IOSF_PCI_DEV, MCR_REG, reg); -} |