Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7046
-gerrit
commit a82ce472113d5ebc8a9d903dfd85b401e3927a84 Author: Vladimir Serbinenko phcoder@gmail.com Date: Sat Oct 11 11:25:41 2014 +0200
fsp_rangeley: Switch to per-device ACPI
Change-Id: Ic8b2204a6d08d63ac7f05836bf1424f1ca6ee50e Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/cpu/intel/fsp_model_406dx/acpi.c | 79 ++++----- src/mainboard/intel/mohonpeak/acpi_tables.c | 177 +-------------------- src/northbridge/intel/fsp_rangeley/Kconfig | 1 + src/northbridge/intel/fsp_rangeley/acpi.c | 14 ++ src/northbridge/intel/fsp_rangeley/northbridge.c | 13 ++ src/northbridge/intel/fsp_rangeley/northbridge.h | 1 + .../intel/fsp_rangeley/acpi/globalnvs.asl | 3 +- src/southbridge/intel/fsp_rangeley/lpc.c | 27 ++++ src/southbridge/intel/fsp_rangeley/nvs.h | 1 + 9 files changed, 93 insertions(+), 223 deletions(-)
diff --git a/src/cpu/intel/fsp_model_406dx/acpi.c b/src/cpu/intel/fsp_model_406dx/acpi.c index 24f63cd..774bcb2 100644 --- a/src/cpu/intel/fsp_model_406dx/acpi.c +++ b/src/cpu/intel/fsp_model_406dx/acpi.c @@ -50,11 +50,10 @@ static int get_cores_per_package(void) return cores; }
-static int generate_C_state_entries(void) +static void generate_C_state_entries(void) { struct cpu_info *info; struct cpu_driver *cpu; - int len, lenif; struct device *lapic; struct cpu_intel_model_406dx_config *conf = NULL;
@@ -74,23 +73,21 @@ static int generate_C_state_entries(void) if (!cpu || !cpu->cstates) return 0;
- len = acpigen_emit_byte(0x14); /* MethodOp */ - len += acpigen_write_len_f(); /* PkgLength */ - len += acpigen_emit_namestring("_CST"); - len += acpigen_emit_byte(0x00); /* No Arguments */ + acpigen_emit_byte(0x14); /* MethodOp */ + acpigen_write_len_f(); /* PkgLength */ + acpigen_emit_namestring("_CST"); + acpigen_emit_byte(0x00); /* No Arguments */
/* If running on AC power */ - len += acpigen_emit_byte(0xa0); /* IfOp */ - lenif = acpigen_write_len_f(); /* PkgLength */ - lenif += acpigen_emit_namestring("PWRS"); - lenif += acpigen_emit_byte(0xa4); /* ReturnOp */ - acpigen_patch_len(lenif - 1); - len += lenif; + acpigen_emit_byte(0xa0); /* IfOp */ + acpigen_write_len_f(); /* PkgLength */ + acpigen_emit_namestring("PWRS"); + acpigen_emit_byte(0xa4); /* ReturnOp */ + acpigen_pop_len();
/* Else on battery power */ - len += acpigen_emit_byte(0xa4); /* ReturnOp */ - acpigen_patch_len(len - 1); - return len; + acpigen_emit_byte(0xa4); /* ReturnOp */ + acpigen_pop_len(); }
static acpi_tstate_t tss_table_fine[] = { @@ -122,31 +119,27 @@ static acpi_tstate_t tss_table_coarse[] = { { 13, 125, 0, 0x19, 0 }, };
-static int generate_T_state_entries(int core, int cores_per_package) +static void generate_T_state_entries(int core, int cores_per_package) { - int len; - /* Indicate SW_ALL coordination for T-states */ - len = acpigen_write_TSD_package(core, cores_per_package, SW_ALL); + acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
/* Indicate FFixedHW so OS will use MSR */ - len += acpigen_write_empty_PTC(); + acpigen_write_empty_PTC();
/* Set a T-state limit that can be modified in NVS */ - len += acpigen_write_TPC("\TLVL"); + acpigen_write_TPC("\TLVL");
/* * CPUID.(EAX=6):EAX[5] indicates support * for extended throttle levels. */ if (cpuid_eax(6) & (1 << 5)) - len += acpigen_write_TSS_package( + acpigen_write_TSS_package( ARRAY_SIZE(tss_table_fine), tss_table_fine); else - len += acpigen_write_TSS_package( + acpigen_write_TSS_package( ARRAY_SIZE(tss_table_coarse), tss_table_coarse); - - return len; }
static int calculate_power(int tdp, int p1_ratio, int ratio) @@ -172,7 +165,6 @@ static int calculate_power(int tdp, int p1_ratio, int ratio)
static int generate_P_state_entries(int core, int cores_per_package) { - int len, len_pss; int ratio_min, ratio_max, ratio_turbo, ratio_step; int coord_type, power_max, num_entries; int ratio, power, clock, clock_max; @@ -202,16 +194,16 @@ static int generate_P_state_entries(int core, int cores_per_package)
/* Write _PCT indicating use of FFixedHW */ - len = acpigen_write_empty_PCT(); + acpigen_write_empty_PCT();
/* Write _PPC with no limit on supported P-state */ - len += acpigen_write_PPC_NVS(); + acpigen_write_PPC_NVS();
/* Write PSD indicating configured coordination type */ - len += acpigen_write_PSD_package(core, cores_per_package, coord_type); + acpigen_write_PSD_package(core, cores_per_package, coord_type);
/* Add P-state entries in _PSS table */ - len += acpigen_write_name("_PSS"); + acpigen_write_name("_PSS");
/* Determine ratio points */ ratio_step = PSS_RATIO_STEP; @@ -224,13 +216,13 @@ static int generate_P_state_entries(int core, int cores_per_package) /* P[T] is Turbo state if enabled */ if (get_turbo_state() == TURBO_ENABLED) { /* _PSS package count including Turbo */ - len_pss = acpigen_write_package(num_entries + 2); + acpigen_write_package(num_entries + 2);
msr = rdmsr(MSR_TURBO_RATIO_LIMIT); ratio_turbo = msr.lo & 0xff;
/* Add entry for Turbo ratio */ - len_pss += acpigen_write_PSS_package( + acpigen_write_PSS_package( clock_max + 1, /*MHz*/ power_max, /*mW*/ PSS_LATENCY_TRANSITION, /*lat1*/ @@ -239,11 +231,11 @@ static int generate_P_state_entries(int core, int cores_per_package) ratio_turbo << 8); /*status*/ } else { /* _PSS package count without Turbo */ - len_pss = acpigen_write_package(num_entries + 1); + acpigen_write_package(num_entries + 1); }
/* First regular entry is max non-turbo ratio */ - len_pss += acpigen_write_PSS_package( + acpigen_write_PSS_package( clock_max, /*MHz*/ power_max, /*mW*/ PSS_LATENCY_TRANSITION, /*lat1*/ @@ -259,7 +251,7 @@ static int generate_P_state_entries(int core, int cores_per_package) power = calculate_power(power_max, ratio_max, ratio); clock = ratio * RANGELEY_BCLK;
- len_pss += acpigen_write_PSS_package( + acpigen_write_PSS_package( clock, /*MHz*/ power, /*mW*/ PSS_LATENCY_TRANSITION, /*lat1*/ @@ -269,15 +261,11 @@ static int generate_P_state_entries(int core, int cores_per_package) }
/* Fix package length */ - len_pss--; - acpigen_patch_len(len_pss); - - return len + len_pss; + acpigen_pop_len(); }
void generate_cpu_entries(void) { - int len_pr; int coreID, cpuID, pcontrol_blk = PMB0_BASE, plen = 6; int totalcores = dev_count_cpu(); int cores_per_package = get_cores_per_package(); @@ -294,23 +282,22 @@ void generate_cpu_entries(void) }
/* Generate processor _PR.CPUx */ - len_pr = acpigen_write_processor( + acpigen_write_processor( (cpuID-1)*cores_per_package+coreID-1, pcontrol_blk, plen);
/* Generate P-state tables */ - len_pr += generate_P_state_entries( + generate_P_state_entries( cpuID-1, cores_per_package);
/* Generate C-state tables */ - len_pr += generate_C_state_entries(); + generate_C_state_entries();
/* Generate T-state tables */ - len_pr += generate_T_state_entries( + generate_T_state_entries( cpuID-1, cores_per_package);
- len_pr--; - acpigen_patch_len(len_pr); + acpigen_pop_len(); } } } diff --git a/src/mainboard/intel/mohonpeak/acpi_tables.c b/src/mainboard/intel/mohonpeak/acpi_tables.c index 0349075..b49da65 100644 --- a/src/mainboard/intel/mohonpeak/acpi_tables.c +++ b/src/mainboard/intel/mohonpeak/acpi_tables.c @@ -33,14 +33,9 @@ #include <southbridge/intel/fsp_rangeley/nvs.h> #include <northbridge/intel/fsp_rangeley/northbridge.h>
-extern const unsigned char AmlCode[]; -#if CONFIG_HAVE_ACPI_SLIC -unsigned long acpi_create_slic(unsigned long current); -#endif - static global_nvs_t *gnvs_;
-static void acpi_create_gnvs(global_nvs_t *gnvs) +void acpi_create_gnvs(global_nvs_t *gnvs) { gnvs_ = gnvs; memset((void *)gnvs, 0, sizeof(*gnvs)); @@ -89,173 +84,3 @@ unsigned long acpi_fill_madt(unsigned long current)
return current; } - -unsigned long acpi_fill_ssdt_generator(unsigned long current, - const char *oem_table_id) -{ - u32 lens, bmbound; - char pscope[] = "\_SB.PCI0"; - - bmbound = sideband_read(B_UNIT, BMBOUND); - lens = acpigen_write_scope(pscope); - lens += acpigen_write_name_dword("BMBD", bmbound); - generate_cpu_entries(); - acpigen_patch_len(lens - 1); - return (unsigned long) (acpigen_get_current()); -} - -unsigned long acpi_fill_slit(unsigned long current) -{ - // Not implemented - return current; -} - -unsigned long acpi_fill_srat(unsigned long current) -{ - /* No NUMA, no SRAT */ - return current; -} - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1); - -#define ALIGN_CURRENT current = (ALIGN(current, 16)) -unsigned long write_acpi_tables(unsigned long start) -{ - unsigned long current; - int i; - acpi_rsdp_t *rsdp; - acpi_rsdt_t *rsdt; - acpi_xsdt_t *xsdt; - acpi_hpet_t *hpet; - acpi_madt_t *madt; - acpi_mcfg_t *mcfg; - acpi_fadt_t *fadt; - acpi_facs_t *facs; -#if CONFIG_HAVE_ACPI_SLIC - acpi_header_t *slic; -#endif - acpi_header_t *ssdt; - acpi_header_t *dsdt; - - current = start; - - /* Align ACPI tables to 16byte */ - ALIGN_CURRENT; - - printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); - - /* We need at least an RSDP and an RSDT Table */ - rsdp = (acpi_rsdp_t *) current; - current += sizeof(acpi_rsdp_t); - ALIGN_CURRENT; - rsdt = (acpi_rsdt_t *) current; - current += sizeof(acpi_rsdt_t); - ALIGN_CURRENT; - xsdt = (acpi_xsdt_t *) current; - current += sizeof(acpi_xsdt_t); - ALIGN_CURRENT; - - /* clear all table memory */ - memset((void *) start, 0, current - start); - - acpi_write_rsdp(rsdp, rsdt, xsdt); - acpi_write_rsdt(rsdt); - acpi_write_xsdt(xsdt); - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - ALIGN_CURRENT; - acpi_create_facs(facs); - - printk(BIOS_DEBUG, "ACPI: * DSDT\n"); - dsdt = (acpi_header_t *) current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - - ALIGN_CURRENT; - - printk(BIOS_DEBUG, "ACPI: * FADT\n"); - fadt = (acpi_fadt_t *) current; - current += sizeof(acpi_fadt_t); - ALIGN_CURRENT; - - acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdp, fadt); - - /* - * We explicitly add these tables later on: - */ - printk(BIOS_DEBUG, "ACPI: * HPET\n"); - - hpet = (acpi_hpet_t *) current; - current += sizeof(acpi_hpet_t); - ALIGN_CURRENT; - acpi_create_hpet(hpet); - acpi_add_table(rsdp, hpet); - - /* If we want to use HPET Timers Linux wants an MADT */ - printk(BIOS_DEBUG, "ACPI: * MADT\n"); - - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - current += madt->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, madt); - - printk(BIOS_DEBUG, "ACPI: * MCFG\n"); - mcfg = (acpi_mcfg_t *) current; - acpi_create_mcfg(mcfg); - current += mcfg->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, mcfg); - - /* Pack GNVS into the ACPI table area */ - for (i=0; i < dsdt->length; i++) { - if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { - printk(BIOS_DEBUG, "ACPI: Patching up global NVS in " - "DSDT at offset 0x%04x -> 0x%08lx\n", i, current); - *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes - acpi_save_gnvs(current); - break; - } - } - - /* And fill it */ - acpi_create_gnvs((global_nvs_t *)current); - - /* And tell SMI about it */ -#if CONFIG_HAVE_SMI_HANDLER - smm_setup_structures((void *)current, NULL, NULL); -#endif - - current += sizeof(global_nvs_t); - ALIGN_CURRENT; - - /* We patched up the DSDT, so we need to recalculate the checksum */ - dsdt->checksum = 0; - dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); - - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, - dsdt->length); - -#if CONFIG_HAVE_ACPI_SLIC - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - current += acpi_create_slic(current); - ALIGN_CURRENT; - acpi_add_table(rsdp, slic); -#endif - - printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)current; - acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); - current += ssdt->length; - acpi_add_table(rsdp, ssdt); - ALIGN_CURRENT; - - printk(BIOS_DEBUG, "current = %lx\n", current); - printk(BIOS_INFO, "ACPI: done.\n"); - return current; -} diff --git a/src/northbridge/intel/fsp_rangeley/Kconfig b/src/northbridge/intel/fsp_rangeley/Kconfig index c1353ca..2d2eda7 100644 --- a/src/northbridge/intel/fsp_rangeley/Kconfig +++ b/src/northbridge/intel/fsp_rangeley/Kconfig @@ -21,6 +21,7 @@ config NORTHBRIDGE_INTEL_FSP_RANGELEY bool select CPU_INTEL_FSP_MODEL_406DX + select PER_DEVICE_ACPI_TABLES
if NORTHBRIDGE_INTEL_FSP_RANGELEY
diff --git a/src/northbridge/intel/fsp_rangeley/acpi.c b/src/northbridge/intel/fsp_rangeley/acpi.c index 895f5b4..b2ddc88 100644 --- a/src/northbridge/intel/fsp_rangeley/acpi.c +++ b/src/northbridge/intel/fsp_rangeley/acpi.c @@ -30,6 +30,8 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <build.h> +#include <arch/acpi.h> +#include <arch/acpigen.h> #include "northbridge.h"
unsigned long acpi_fill_mcfg(unsigned long current) @@ -64,3 +66,15 @@ unsigned long acpi_fill_mcfg(unsigned long current)
return current; } + +void northbridge_acpi_fill_ssdt_generator(void) +{ + u32 bmbound; + char pscope[] = "\_SB.PCI0"; + + bmbound = sideband_read(B_UNIT, BMBOUND); + acpigen_write_scope(pscope); + acpigen_write_name_dword("BMBD", bmbound); + acpigen_pop_len(); + generate_cpu_entries(); +} diff --git a/src/northbridge/intel/fsp_rangeley/northbridge.c b/src/northbridge/intel/fsp_rangeley/northbridge.c index 07ce21f..be3a3ac 100644 --- a/src/northbridge/intel/fsp_rangeley/northbridge.c +++ b/src/northbridge/intel/fsp_rangeley/northbridge.c @@ -212,6 +212,18 @@ static void northbridge_enable(device_t dev) { }
+unsigned long acpi_fill_slit(unsigned long current) +{ + // Not implemented + return current; +} + +unsigned long acpi_fill_srat(unsigned long current) +{ + /* No NUMA, no SRAT */ + return current; +} + static struct pci_operations intel_pci_ops = { .set_subsystem = intel_set_subsystem, }; @@ -231,6 +243,7 @@ static struct device_operations mc_ops = { .set_resources = mc_set_resources, .enable_resources = pci_dev_enable_resources, .init = northbridge_init, + .acpi_fill_ssdt_generator = northbridge_acpi_fill_ssdt_generator, .enable = northbridge_enable, .scan_bus = 0, .ops_pci = &intel_pci_ops, diff --git a/src/northbridge/intel/fsp_rangeley/northbridge.h b/src/northbridge/intel/fsp_rangeley/northbridge.h index 855a056..abce07a 100644 --- a/src/northbridge/intel/fsp_rangeley/northbridge.h +++ b/src/northbridge/intel/fsp_rangeley/northbridge.h @@ -72,6 +72,7 @@ void dump_pci_devices(void); void dump_spd_registers(void); void dump_mem(unsigned start, unsigned end); void report_platform_info(void); +void northbridge_acpi_fill_ssdt_generator(void);
#endif /* #ifndef __ASSEMBLER__ */ #endif /* #ifndef __ACPI__ */ diff --git a/src/southbridge/intel/fsp_rangeley/acpi/globalnvs.asl b/src/southbridge/intel/fsp_rangeley/acpi/globalnvs.asl index 21209db..c5c1a9a 100644 --- a/src/southbridge/intel/fsp_rangeley/acpi/globalnvs.asl +++ b/src/southbridge/intel/fsp_rangeley/acpi/globalnvs.asl @@ -32,7 +32,8 @@ Name(\DSEN, 1) // Display Output Switching Enable */
-OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 0xf00) +External(NVSA) +OperationRegion (GNVS, SystemMemory, NVSA, 0xf00) Field (GNVS, ByteAcc, NoLock, Preserve) { /* Miscellaneous */ diff --git a/src/southbridge/intel/fsp_rangeley/lpc.c b/src/southbridge/intel/fsp_rangeley/lpc.c index 8576b61..9644067 100644 --- a/src/southbridge/intel/fsp_rangeley/lpc.c +++ b/src/southbridge/intel/fsp_rangeley/lpc.c @@ -31,8 +31,13 @@ #include <arch/acpi.h> #include <cpu/cpu.h> #include <elog.h> +#include <string.h> +#include <cbmem.h> +#include <arch/acpi.h> +#include <arch/acpigen.h> #include "soc.h" #include "irq.h" +#include "nvs.h"
#define NMI_OFF 0
@@ -426,6 +431,26 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device) } }
+static void southbridge_inject_dsdt(void) +{ + global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + + if (gnvs) { + memset(gnvs, 0, sizeof(*gnvs)); + acpi_create_gnvs(gnvs); + acpi_save_gnvs((unsigned long)gnvs); +#if CONFIG_HAVE_SMI_HANDLER + /* And tell SMI about it */ + smm_setup_structures(gnvs, NULL, NULL); +#endif + + /* Add it to DSDT. */ + acpigen_write_scope("\"); + acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_pop_len(); + } +} + static struct pci_operations pci_ops = { .set_subsystem = set_subsystem, }; @@ -435,6 +460,8 @@ static struct device_operations device_ops = { .set_resources = pci_dev_set_resources, .enable_resources = soc_lpc_enable_resources, .init = lpc_init, + .write_acpi_tables = acpi_write_hpet, + .acpi_inject_dsdt_generator = southbridge_inject_dsdt, .enable = soc_lpc_enable, .scan_bus = scan_static_bus, .ops_pci = &pci_ops, diff --git a/src/southbridge/intel/fsp_rangeley/nvs.h b/src/southbridge/intel/fsp_rangeley/nvs.h index dce23e0..6578bbf 100644 --- a/src/southbridge/intel/fsp_rangeley/nvs.h +++ b/src/southbridge/intel/fsp_rangeley/nvs.h @@ -149,6 +149,7 @@ typedef struct {
} __attribute__((packed)) global_nvs_t;
+void acpi_create_gnvs(global_nvs_t *gnvs); #ifdef __SMM__ /* Used in SMM to find the ACPI GNVS address */ global_nvs_t *smm_get_gnvs(void);