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-rw-r--r--src/soc/intel/braswell/Kconfig2
-rw-r--r--src/soc/intel/braswell/Makefile.inc2
-rw-r--r--src/soc/intel/braswell/acpi.c9
-rw-r--r--src/soc/intel/braswell/chip.h1
-rw-r--r--src/soc/intel/braswell/cpu.c53
-rw-r--r--src/soc/intel/braswell/include/soc/gpio.h3
-rw-r--r--src/soc/intel/braswell/include/soc/iosf.h1
-rw-r--r--src/soc/intel/braswell/include/soc/nvs.h3
-rw-r--r--src/soc/intel/braswell/include/soc/pei_data.h2
-rw-r--r--src/soc/intel/braswell/lpc_init.c125
-rw-r--r--src/soc/intel/braswell/pmutil.c7
-rw-r--r--src/soc/intel/braswell/romstage/romstage.c4
-rw-r--r--src/soc/intel/braswell/spi.c9
-rw-r--r--src/soc/intel/braswell/tsc_freq.c5
14 files changed, 210 insertions, 16 deletions
diff --git a/src/soc/intel/braswell/Kconfig b/src/soc/intel/braswell/Kconfig
index 5b6fa109e1..4f7ed6a7ca 100644
--- a/src/soc/intel/braswell/Kconfig
+++ b/src/soc/intel/braswell/Kconfig
@@ -27,7 +27,9 @@ config CPU_SPECIFIC_OPTIONS
select RELOCATABLE_MODULES
select PARALLEL_MP
select PCIEXP_ASPM
+ select PCIEXP_CLK_PM
select PCIEXP_COMMON_CLOCK
+ select PCIEXP_L1_SUB_STATE
select PLATFORM_USES_FSP1_1
select REG_SCRIPT
select SOC_INTEL_COMMON
diff --git a/src/soc/intel/braswell/Makefile.inc b/src/soc/intel/braswell/Makefile.inc
index 540ac84ed8..207f17d579 100644
--- a/src/soc/intel/braswell/Makefile.inc
+++ b/src/soc/intel/braswell/Makefile.inc
@@ -13,6 +13,7 @@ subdirs-y += ../../../cpu/intel/turbo
romstage-y += gpio_support.c
romstage-y += iosf.c
+romstage-y += lpc_init.c
romstage-y += memmap.c
romstage-y += tsc_freq.c
@@ -46,6 +47,7 @@ ramstage-y += tsc_freq.c
# Remove as ramstage gets fleshed out
ramstage-y += placeholders.c
+smm-y += lpc_init.c
smm-y += pmutil.c
smm-y += smihandler.c
smm-y += spi.c
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index ab83cf485b..e1065e22d1 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -36,6 +36,7 @@
#include <device/pci_ids.h>
#include <ec/google/chromeec/ec.h>
#include <fsp_gop.h>
+#include <rules.h>
#include <soc/acpi.h>
#include <soc/gfx.h>
#include <soc/iomap.h>
@@ -269,7 +270,7 @@ static acpi_tstate_t soc_tss_table[] = {
{ 13, 125, 0, 0x12, 0 },
};
-static void generate_T_state_entries(int core, int cores_per_package)
+static void generate_t_state_entries(int core, int cores_per_package)
{
/* Indicate SW_ALL coordination for T-states */
acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
@@ -306,7 +307,7 @@ static int calculate_power(int tdp, int p1_ratio, int ratio)
return (int)power;
}
-static void generate_P_state_entries(int core, int cores_per_package)
+static void generate_p_state_entries(int core, int cores_per_package)
{
int ratio_min, ratio_max, ratio_turbo, ratio_step, ratio_range_2;
int coord_type, power_max, power_unit, num_entries;
@@ -438,7 +439,7 @@ void generate_cpu_entries(device_t device)
core, pcontrol_blk, plen);
/* Generate P-state tables */
- generate_P_state_entries(
+ generate_p_state_entries(
core, pattrs->num_cpus);
/* Generate C-state tables */
@@ -446,7 +447,7 @@ void generate_cpu_entries(device_t device)
cstate_map, ARRAY_SIZE(cstate_map));
/* Generate T-state tables */
- generate_T_state_entries(
+ generate_t_state_entries(
core, pattrs->num_cpus);
acpigen_pop_len();
diff --git a/src/soc/intel/braswell/chip.h b/src/soc/intel/braswell/chip.h
index fde508c394..d70aa9b117 100644
--- a/src/soc/intel/braswell/chip.h
+++ b/src/soc/intel/braswell/chip.h
@@ -70,6 +70,7 @@ struct soc_intel_braswell_config {
UINT8 PcdApertureSize;
UINT8 PcdGttSize;
UINT8 PcdLegacySegDecode;
+ UINT8 PcdDvfsEnable;
/*
* The following fields come from fsp_vpd.h .aka. VpdHeader.h.
diff --git a/src/soc/intel/braswell/cpu.c b/src/soc/intel/braswell/cpu.c
index 3abec6b53c..e648ce04a3 100644
--- a/src/soc/intel/braswell/cpu.c
+++ b/src/soc/intel/braswell/cpu.c
@@ -29,6 +29,7 @@
#include <cpu/x86/mtrr.h>
#include <cpu/x86/smm.h>
#include <soc/intel/common/memmap.h>
+#include <reg_script.h>
#include <soc/msr.h>
#include <soc/pattrs.h>
#include <soc/ramstage.h>
@@ -53,6 +54,31 @@ static int adjust_apic_id(int index, int apic_id)
return 2 * index;
}
+/* Package level MSRs */
+const struct reg_script package_msr_script[] = {
+ /* Set Package TDP to ~7W */
+ REG_MSR_WRITE(MSR_PKG_POWER_LIMIT, 0x3880fa),
+ REG_MSR_RMW(MSR_PP1_POWER_LIMIT, ~(0x7f << 17), 0),
+ REG_MSR_WRITE(MSR_PKG_TURBO_CFG1, 0x702),
+ REG_MSR_WRITE(MSR_CPU_TURBO_WKLD_CFG1, 0x200b),
+ REG_MSR_WRITE(MSR_CPU_TURBO_WKLD_CFG2, 0),
+ REG_MSR_WRITE(MSR_CPU_THERM_CFG1, 0x00000305),
+ REG_MSR_WRITE(MSR_CPU_THERM_CFG2, 0x0405500d),
+ REG_MSR_WRITE(MSR_CPU_THERM_SENS_CFG, 0x27),
+ REG_SCRIPT_END
+};
+
+/* Core level MSRs */
+const struct reg_script core_msr_script[] = {
+ /* Dynamic L2 shrink enable and threshold, clear SINGLE_PCTL bit 11 */
+ REG_MSR_RMW(MSR_PMG_CST_CONFIG_CONTROL, ~0x3f080f, 0xe0008),
+ REG_MSR_RMW(MSR_POWER_MISC,
+ ~(ENABLE_ULFM_AUTOCM_MASK | ENABLE_INDP_AUTOCM_MASK), 0),
+ /* Disable C1E */
+ REG_MSR_RMW(MSR_POWER_CTL, ~0x2, 0),
+ REG_MSR_OR(MSR_POWER_MISC, 0x44),
+ REG_SCRIPT_END
+};
void soc_init_cpus(device_t dev)
{
@@ -78,6 +104,10 @@ void soc_init_cpus(device_t dev)
default_smm_area = backup_default_smm_area();
+ /* Set package MSRs */
+ reg_script_run(package_msr_script);
+
+ /* Enable Turbo Mode on BSP and siblings of the BSP's building block. */
enable_turbo();
if (mp_init(cpu_bus, &mp_params))
@@ -86,9 +116,30 @@ void soc_init_cpus(device_t dev)
restore_default_smm_area(default_smm_area);
}
+static void soc_core_init(device_t cpu)
+{
+ printk(BIOS_SPEW, "%s/%s ( %s )\n",
+ __FILE__, __func__, dev_name(cpu));
+ printk(BIOS_DEBUG, "Init Braswell core.\n");
+
+ /*
+ * The turbo disable bit is actually scoped at building
+ * block level -- not package. For non-bsp cores that are within a
+ * building block enable turbo. The cores within the BSP's building
+ * block will just see it already enabled and move on.
+ */
+ if (lapicid())
+ enable_turbo();
+
+ /* Set core MSRs */
+ reg_script_run(core_msr_script);
+
+ /* Set this core to max frequency ratio */
+ set_max_freq();
+}
static struct device_operations cpu_dev_ops = {
- .init = NULL,
+ .init = soc_core_init,
};
static struct cpu_device_id cpu_table[] = {
diff --git a/src/soc/intel/braswell/include/soc/gpio.h b/src/soc/intel/braswell/include/soc/gpio.h
index 20a4d51180..5dda732ea0 100644
--- a/src/soc/intel/braswell/include/soc/gpio.h
+++ b/src/soc/intel/braswell/include/soc/gpio.h
@@ -573,4 +573,7 @@ int get_gpio(int community_base, int pad0_offset);
uint16_t gpio_family_number(uint8_t community, uint8_t pad);
uint32_t *gpio_pad_config_reg(uint8_t community, uint8_t pad);
+void lpc_init(void);
+void lpc_set_low_power(void);
+
#endif /* _SOC_GPIO_H_ */
diff --git a/src/soc/intel/braswell/include/soc/iosf.h b/src/soc/intel/braswell/include/soc/iosf.h
index 60763d9304..1cdfb8f587 100644
--- a/src/soc/intel/braswell/include/soc/iosf.h
+++ b/src/soc/intel/braswell/include/soc/iosf.h
@@ -21,6 +21,7 @@
#ifndef _SOC_IOSF_H_
#define _SOC_IOSF_H_
+#include <rules.h>
#include <stdint.h>
#if ENV_RAMSTAGE
#include <device/device.h>
diff --git a/src/soc/intel/braswell/include/soc/nvs.h b/src/soc/intel/braswell/include/soc/nvs.h
index 1c25cb295f..9492f2c61b 100644
--- a/src/soc/intel/braswell/include/soc/nvs.h
+++ b/src/soc/intel/braswell/include/soc/nvs.h
@@ -22,6 +22,7 @@
#ifndef _SOC_NVS_H_
#define _SOC_NVS_H_
+#include <rules.h>
#include <vendorcode/google/chromeos/gnvs.h>
#include <soc/device_nvs.h>
@@ -73,7 +74,7 @@ typedef struct {
} __attribute__((packed)) global_nvs_t;
void acpi_create_gnvs(global_nvs_t *gnvs);
-#ifdef __SMM__
+#if ENV_SMM
/* Used in SMM to find the ACPI GNVS address */
global_nvs_t *smm_get_gnvs(void);
#endif
diff --git a/src/soc/intel/braswell/include/soc/pei_data.h b/src/soc/intel/braswell/include/soc/pei_data.h
index 67e34f7c98..50aabed66e 100644
--- a/src/soc/intel/braswell/include/soc/pei_data.h
+++ b/src/soc/intel/braswell/include/soc/pei_data.h
@@ -1,5 +1,5 @@
/*
- * Braswell UEFI PEI wrapper
+ * UEFI PEI wrapper
*
* Copyright (C) 2014 Google Inc.
*
diff --git a/src/soc/intel/braswell/lpc_init.c b/src/soc/intel/braswell/lpc_init.c
new file mode 100644
index 0000000000..91816e746e
--- /dev/null
+++ b/src/soc/intel/braswell/lpc_init.c
@@ -0,0 +1,125 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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
+ * 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 <soc/gpio.h>
+#include <soc/pm.h>
+#include <soc/iomap.h>
+
+#define SUSPEND_CYCLE 1
+#define RESUME_CYCLE 0
+#define LPC_FAMILY_NUMBER(gpio_pad) (gpio_pad / MAX_FAMILY_PAD_GPIO_NO)
+#define LPC_INTERNAL_PAD_NUM(gpio_pad) (gpio_pad % MAX_FAMILY_PAD_GPIO_NO)
+#define LPC_GPIO_OFFSET(gpio_pad) (FAMILY_PAD_REGS_OFF \
+ + (FAMILY_PAD_REGS_SIZE * LPC_FAMILY_NUMBER(gpio_pad) \
+ + (GPIO_REGS_SIZE * LPC_INTERNAL_PAD_NUM(gpio_pad))))
+
+#define LPC_AD2_MMIO_OFFSET LPC_GPIO_OFFSET(45)
+#define LPC_CLKRUN_MMIO_OFFSET LPC_GPIO_OFFSET(46)
+#define LPC_AD0_MMIO_OFFSET LPC_GPIO_OFFSET(47)
+#define LPC_FRAME_MMIO_OFFSET LPC_GPIO_OFFSET(48)
+#define LPC_AD3_MMIO_OFFSET LPC_GPIO_OFFSET(50)
+#define LPC_AD1_MMIO_OFFSET LPC_GPIO_OFFSET(52)
+
+
+/* Value written into pad control reg 0 in early init */
+#define PAD_CFG0_NATIVE(mode, term, inv_rx_tx) (PAD_GPIO_DISABLE \
+ | PAD_GPIOFG_HI_Z \
+ | PAD_MODE_SELECTION(mode) | PAD_PULL(term))
+
+#define PAD_CFG0_NATIVE_PU20K(mode) PAD_CFG0_NATIVE(mode, 9, 0) /* PU 20K */
+#define PAD_CFG0_NATIVE_PD20K(mode) PAD_CFG0_NATIVE(mode, 1, 0) /* PD 20K */
+#define PAD_CFG0_NATIVE_M1 PAD_CFG0_NATIVE(1, 0, 0) /* no pull */
+
+/*
+ * Configure value in LPC GPIO PADCFG0 registers. This function would be called
+ * to configure for low power/restore LPC GPIO lines
+ */
+static void lpc_gpio_config(u32 cycle)
+{
+ if (cycle == SUSPEND_CYCLE) { /* Suspend cycle */
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_FRAME_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD0_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD1_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD2_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD3_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_CLKRUN_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PD20K(1));
+ } else { /* Resume cycle */
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_FRAME_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_M1);
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD0_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD1_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD2_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_AD3_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_PU20K(1));
+ write32((void *)(COMMUNITY_GPSOUTHEAST_BASE +
+ LPC_CLKRUN_MMIO_OFFSET),
+ PAD_CFG0_NATIVE_M1);
+ }
+}
+
+/*
+ * configure LPC GPIO lines for low power
+ */
+void lpc_set_low_power(void)
+{
+ lpc_gpio_config(SUSPEND_CYCLE);
+}
+
+/*
+ * Configure GPIO lines early during romstage.
+ */
+void lpc_init(void)
+{
+ uint16_t pm1_sts;
+ uint32_t pm1_cnt;
+ int slp_type = 0;
+
+ /*
+ * On S3 resume re-initialize GPIO lines which were
+ * configured for low power during S3 entry.
+ */
+ pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
+ pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+
+ if (pm1_sts & WAK_STS)
+ slp_type = (pm1_cnt & SLP_TYP) >> SLP_TYP_SHIFT;
+
+ if ((slp_type == SLP_TYP_S3) || (slp_type == SLP_TYP_S5))
+ lpc_gpio_config(RESUME_CYCLE);
+}
diff --git a/src/soc/intel/braswell/pmutil.c b/src/soc/intel/braswell/pmutil.c
index 2cdeaafdef..fe5be64d68 100644
--- a/src/soc/intel/braswell/pmutil.c
+++ b/src/soc/intel/braswell/pmutil.c
@@ -20,13 +20,14 @@
#include <arch/io.h>
#include <console/console.h>
+#include <rules.h>
#include <soc/iomap.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <stdint.h>
-#if defined(__SMM__)
+#if ENV_SMM
static const device_t pcu_dev = PCI_DEV(0, PCU_DEV, 0);
@@ -35,7 +36,7 @@ static inline device_t get_pcu_dev(void)
return pcu_dev;
}
-#else /* !__SMM__ */
+#else /* ENV_SMM */
#include <device/device.h>
#include <device/pci.h>
@@ -46,7 +47,7 @@ static device_t get_pcu_dev(void)
pcu_dev = dev_find_slot(0, PCI_DEVFN(PCU_DEV, 0));
return pcu_dev;
}
-#endif
+#endif /* ENV_SMM */
uint16_t get_pmbase(void)
{
diff --git a/src/soc/intel/braswell/romstage/romstage.c b/src/soc/intel/braswell/romstage/romstage.c
index df6efd8bf2..64a3deee9a 100644
--- a/src/soc/intel/braswell/romstage/romstage.c
+++ b/src/soc/intel/braswell/romstage/romstage.c
@@ -187,6 +187,7 @@ void soc_romstage_init(struct romstage_params *params)
/* Ensure the EC is in the right mode for recovery */
google_chromeec_early_init();
#endif
+ lpc_init();
}
/* SOC initialization after RAM is enabled */
@@ -220,6 +221,7 @@ void soc_memory_init_params(MEMORY_INIT_UPD *params)
params->PcdApertureSize = config->PcdApertureSize;
params->PcdGttSize = config->PcdGttSize;
params->PcdLegacySegDecode = config->PcdLegacySegDecode;
+ params->PcdDvfsEnable = config->PcdDvfsEnable;
}
void soc_display_memory_init_params(const MEMORY_INIT_UPD *old,
@@ -249,4 +251,6 @@ void soc_display_memory_init_params(const MEMORY_INIT_UPD *old,
old->PcdGttSize, new->PcdGttSize);
soc_display_upd_value("PcdLegacySegDecode", 1,
old->PcdLegacySegDecode, new->PcdLegacySegDecode);
+ soc_display_upd_value("PcdDvfsEnable", 1,
+ old->PcdDvfsEnable, new->PcdDvfsEnable);
}
diff --git a/src/soc/intel/braswell/spi.c b/src/soc/intel/braswell/spi.c
index 16fb465037..afc288a36a 100644
--- a/src/soc/intel/braswell/spi.c
+++ b/src/soc/intel/braswell/spi.c
@@ -26,6 +26,7 @@
#include <console/console.h>
#include <delay.h>
#include <device/pci_ids.h>
+#include <rules.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <spi_flash.h>
@@ -33,7 +34,7 @@
#include <stdlib.h>
#include <string.h>
-#ifdef __SMM__
+#if ENV_SMM
#define pci_read_config_byte(dev, reg, targ)\
*(targ) = pci_read_config8(dev, reg)
#define pci_read_config_word(dev, reg, targ)\
@@ -46,7 +47,7 @@
pci_write_config16(dev, reg, val)
#define pci_write_config_dword(dev, reg, val)\
pci_write_config32(dev, reg, val)
-#else /* !__SMM__ */
+#else /* ENV_SMM */
#include <device/device.h>
#include <device/pci.h>
#define pci_read_config_byte(dev, reg, targ)\
@@ -61,7 +62,7 @@
pci_write_config16(dev, reg, val)
#define pci_write_config_dword(dev, reg, val)\
pci_write_config32(dev, reg, val)
-#endif /* !__SMM__ */
+#endif /* ENV_SMM */
typedef struct spi_slave ich_spi_slave;
@@ -255,7 +256,7 @@ static ich9_spi_regs *spi_regs(void)
device_t dev;
uint32_t sbase;
-#ifdef __SMM__
+#if ENV_SMM
dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
#else
dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
diff --git a/src/soc/intel/braswell/tsc_freq.c b/src/soc/intel/braswell/tsc_freq.c
index e7a1c13f51..34e610f60b 100644
--- a/src/soc/intel/braswell/tsc_freq.c
+++ b/src/soc/intel/braswell/tsc_freq.c
@@ -20,6 +20,7 @@
#include <cpu/x86/msr.h>
#include <cpu/x86/tsc.h>
+#include <rules.h>
#include <soc/msr.h>
#include <console/console.h>
#if ENV_RAMSTAGE
@@ -37,7 +38,7 @@ unsigned long tsc_freq_mhz(void)
return (BUS_FREQ_KHZ * ((ia_core_ratios.lo >> 16) & 0x3f)) / 1000;
}
-#if !defined(__SMM__)
+#if !ENV_SMM
void set_max_freq(void)
{
@@ -67,4 +68,4 @@ void set_max_freq(void)
wrmsr(MSR_IA32_PERF_CTL, perf_ctl);
}
-#endif /* __SMM__ */
+#endif /* ENV_SMM */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 21:59:42 +0000