diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/acpi.h | 24 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/bd82x6x.h | 23 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/model_206ax.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/pch.h | 120 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/sandybridge.h | 13 | ||||
| -rw-r--r-- | arch/x86/include/asm/i8259.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/interrupt.h | 11 | ||||
| -rw-r--r-- | arch/x86/include/asm/ioapic.h | 38 | ||||
| -rw-r--r-- | arch/x86/include/asm/lapic.h | 124 | ||||
| -rw-r--r-- | arch/x86/include/asm/msr-index.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/msr.h | 11 | ||||
| -rw-r--r-- | arch/x86/include/asm/pci.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/post.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/processor.h | 31 | ||||
| -rw-r--r-- | arch/x86/include/asm/speedstep.h | 89 | ||||
| -rw-r--r-- | arch/x86/include/asm/turbo.h | 31 | ||||
| -rw-r--r-- | arch/x86/include/asm/u-boot-x86.h | 2 |
17 files changed, 494 insertions, 35 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h new file mode 100644 index 00000000000..4872b928605 --- /dev/null +++ b/arch/x86/include/asm/acpi.h @@ -0,0 +1,24 @@ +/* + * From coreboot + * + * Copyright (C) 2004 SUSE LINUX AG + * Copyright (C) 2004 Nick Barker + * Copyright (C) 2008-2009 coresystems GmbH + * (Written by Stefan Reinauer <stepan@coresystems.de>) + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __ASM_ACPI_H +#define __ASM_ACPI_H + +#define RSDP_SIG "RSD PTR " /* RSDT pointer signature */ +#define ACPI_TABLE_CREATOR "U-BootAC" /* Must be exactly 8 bytes long! */ +#define OEM_ID "U-Boot" /* Must be exactly 6 bytes long! */ +#define ASLC "U-Bo" /* Must be exactly 4 bytes long! */ + +/* 0 = S0, 1 = S1 ...*/ +int acpi_get_slp_type(void); +void apci_set_slp_type(int type); + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/bd82x6x.h b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h new file mode 100644 index 00000000000..e1d9a9b7b2c --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_BD82X6X_H +#define _ASM_ARCH_BD82X6X_H + +void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node); +void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node); +void bd82x6x_pci_init(pci_dev_t dev); +void bd82x6x_usb_ehci_init(pci_dev_t dev); +void bd82x6x_usb_xhci_init(pci_dev_t dev); +int bd82x6x_init_pci_devices(void); +int gma_func0_init(pci_dev_t dev, struct pci_controller *hose, + const void *blob, int node); +int bd82x6x_init(void); + +struct x86_cpu_priv; +int model_206ax_init(struct x86_cpu_priv *cpu); + +#endif diff --git a/arch/x86/include/asm/arch-ivybridge/model_206ax.h b/arch/x86/include/asm/arch-ivybridge/model_206ax.h index 8281d7a67b9..7b4f2e790b4 100644 --- a/arch/x86/include/asm/arch-ivybridge/model_206ax.h +++ b/arch/x86/include/asm/arch-ivybridge/model_206ax.h @@ -79,4 +79,8 @@ #define PSS_LATENCY_TRANSITION 10 #define PSS_LATENCY_BUSMASTER 10 +/* Configure power limits for turbo mode */ +void set_power_limits(u8 power_limit_1_time); +int cpu_config_tdp_levels(void); + #endif diff --git a/arch/x86/include/asm/arch-ivybridge/pch.h b/arch/x86/include/asm/arch-ivybridge/pch.h index c6efdb85659..21df083842c 100644 --- a/arch/x86/include/asm/arch-ivybridge/pch.h +++ b/arch/x86/include/asm/arch-ivybridge/pch.h @@ -14,11 +14,41 @@ #include <pci.h> +/* PCH types */ +#define PCH_TYPE_CPT 0x1c /* CougarPoint */ +#define PCH_TYPE_PPT 0x1e /* IvyBridge */ + +/* PCH stepping values for LPC device */ +#define PCH_STEP_A0 0 +#define PCH_STEP_A1 1 +#define PCH_STEP_B0 2 +#define PCH_STEP_B1 3 +#define PCH_STEP_B2 4 +#define PCH_STEP_B3 5 #define DEFAULT_GPIOBASE 0x0480 #define DEFAULT_PMBASE 0x0500 #define SMBUS_IO_BASE 0x0400 +int pch_silicon_revision(void); +int pch_silicon_type(void); +int pch_silicon_supported(int type, int rev); +void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue); + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 +#define MAINBOARD_POWER_KEEP 2 + +/* PCI Configuration Space (D30:F0): PCI2PCI */ +#define PSTS 0x06 +#define SMLT 0x1b +#define SECSTS 0x1e +#define INTR 0x3c +#define BCTRL 0x3e +#define SBR (1 << 6) +#define SEE (1 << 1) +#define PERE (1 << 0) + #define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0) #define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0) #define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0) @@ -30,6 +60,35 @@ /* PCI Configuration Space (D31:F0): LPC */ #define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0) +#define SERIRQ_CNTL 0x64 + +#define GEN_PMCON_1 0xa0 +#define GEN_PMCON_2 0xa2 +#define GEN_PMCON_3 0xa4 +#define ETR3 0xac +#define ETR3_CWORWRE (1 << 18) +#define ETR3_CF9GR (1 << 20) + +/* GEN_PMCON_3 bits */ +#define RTC_BATTERY_DEAD (1 << 2) +#define RTC_POWER_FAILED (1 << 1) +#define SLEEP_AFTER_POWER_FAIL (1 << 0) + +#define PMBASE 0x40 +#define ACPI_CNTL 0x44 +#define BIOS_CNTL 0xDC +#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ +#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ +#define GPIO_ROUT 0xb8 + +#define PIRQA_ROUT 0x60 +#define PIRQB_ROUT 0x61 +#define PIRQC_ROUT 0x62 +#define PIRQD_ROUT 0x63 +#define PIRQE_ROUT 0x68 +#define PIRQF_ROUT 0x69 +#define PIRQG_ROUT 0x6A +#define PIRQH_ROUT 0x6B #define GEN_PMCON_1 0xa0 #define GEN_PMCON_2 0xa2 @@ -63,6 +122,64 @@ #define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ #define LPC_GENX_DEC(x) (0x84 + 4 * (x)) +/* PCI Configuration Space (D31:F1): IDE */ +#define PCH_IDE_DEV PCI_BDF(0, 0x1f, 1) +#define PCH_SATA_DEV PCI_BDF(0, 0x1f, 2) +#define PCH_SATA2_DEV PCI_BDF(0, 0x1f, 5) + +#define INTR_LN 0x3c +#define IDE_TIM_PRI 0x40 /* IDE timings, primary */ +#define IDE_DECODE_ENABLE (1 << 15) +#define IDE_SITRE (1 << 14) +#define IDE_ISP_5_CLOCKS (0 << 12) +#define IDE_ISP_4_CLOCKS (1 << 12) +#define IDE_ISP_3_CLOCKS (2 << 12) +#define IDE_RCT_4_CLOCKS (0 << 8) +#define IDE_RCT_3_CLOCKS (1 << 8) +#define IDE_RCT_2_CLOCKS (2 << 8) +#define IDE_RCT_1_CLOCKS (3 << 8) +#define IDE_DTE1 (1 << 7) +#define IDE_PPE1 (1 << 6) +#define IDE_IE1 (1 << 5) +#define IDE_TIME1 (1 << 4) +#define IDE_DTE0 (1 << 3) +#define IDE_PPE0 (1 << 2) +#define IDE_IE0 (1 << 1) +#define IDE_TIME0 (1 << 0) +#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */ + +#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */ +#define IDE_SSDE1 (1 << 3) +#define IDE_SSDE0 (1 << 2) +#define IDE_PSDE1 (1 << 1) +#define IDE_PSDE0 (1 << 0) + +#define IDE_SDMA_TIM 0x4a + +#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */ +#define SIG_MODE_SEC_NORMAL (0 << 18) +#define SIG_MODE_SEC_TRISTATE (1 << 18) +#define SIG_MODE_SEC_DRIVELOW (2 << 18) +#define SIG_MODE_PRI_NORMAL (0 << 16) +#define SIG_MODE_PRI_TRISTATE (1 << 16) +#define SIG_MODE_PRI_DRIVELOW (2 << 16) +#define FAST_SCB1 (1 << 15) +#define FAST_SCB0 (1 << 14) +#define FAST_PCB1 (1 << 13) +#define FAST_PCB0 (1 << 12) +#define SCB1 (1 << 3) +#define SCB0 (1 << 2) +#define PCB1 (1 << 1) +#define PCB0 (1 << 0) + +#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */ +#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */ +#define SATA_SP 0xd0 /* Scratchpad */ + +/* SATA IOBP Registers */ +#define SATA_IOBP_SP0G3IR 0xea000151 +#define SATA_IOBP_SP1G3IR 0xea000051 + /* PCI Configuration Space (D31:F3): SMBus */ #define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3) #define SMB_BASE 0x20 @@ -343,6 +460,9 @@ #define DMISCI_STS (1 << 9) #define TCO2_STS 0x66 +int lpc_init(struct pci_controller *hose, pci_dev_t dev); +void lpc_enable(pci_dev_t dev); + /** * lpc_early_init() - set up LPC serial ports and other early things * diff --git a/arch/x86/include/asm/arch-ivybridge/sandybridge.h b/arch/x86/include/asm/arch-ivybridge/sandybridge.h index 114ee19e241..cf7457f42dc 100644 --- a/arch/x86/include/asm/arch-ivybridge/sandybridge.h +++ b/arch/x86/include/asm/arch-ivybridge/sandybridge.h @@ -97,11 +97,22 @@ /* * MCHBAR */ -#define MCHBAR_REG(reg) (DEFAULT_RCBA + (reg)) +#define MCHBAR_REG(reg) (DEFAULT_MCHBAR + (reg)) #define SSKPD 0x5d14 /* 16bit (scratchpad) */ #define BIOS_RESET_CPL 0x5da8 /* 8bit */ +/* + * DMIBAR + */ + +#define DMIBAR_REG(x) (DEFAULT_DMIBAR + x) + +int bridge_silicon_revision(void); + +void northbridge_enable(pci_dev_t dev); +void northbridge_init(pci_dev_t dev); + void report_platform_info(void); void sandybridge_early_init(int chipset_type); diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index 73113f90a85..bc4033bed2f 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -69,4 +69,6 @@ #define ICW4_AEOI 0x02 /* Automatic EOI Mode */ #define ICW4_PM 0x01 /* Microprocessor Mode */ +int i8259_init(void); + #endif diff --git a/arch/x86/include/asm/interrupt.h b/arch/x86/include/asm/interrupt.h index 3f46e0920a8..25abde7be6e 100644 --- a/arch/x86/include/asm/interrupt.h +++ b/arch/x86/include/asm/interrupt.h @@ -27,4 +27,15 @@ void specific_eoi(int irq); extern char exception_stack[]; +/** + * configure_irq_trigger() - Configure IRQ triggering + * + * Switch the given interrupt to be level / edge triggered + * + * @param int_num legacy interrupt number (3-7, 9-15) + * @param is_level_triggered true for level triggered interrupt, false for + * edge triggered interrupt + */ +void configure_irq_trigger(int int_num, bool is_level_triggered); + #endif diff --git a/arch/x86/include/asm/ioapic.h b/arch/x86/include/asm/ioapic.h new file mode 100644 index 00000000000..699160f9f71 --- /dev/null +++ b/arch/x86/include/asm/ioapic.h @@ -0,0 +1,38 @@ +/* + * From coreboot file of the same name + * + * Copyright (C) 2010 coresystems GmbH + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __ASM_IOAPIC_H +#define __ASM_IOAPIC_H + +#define IO_APIC_ADDR 0xfec00000 +#define IO_APIC_INDEX IO_APIC_ADDR +#define IO_APIC_DATA (IO_APIC_ADDR + 0x10) +#define IO_APIC_INTERRUPTS 24 + +#define ALL (0xff << 24) +#define NONE 0 +#define DISABLED (1 << 16) +#define ENABLED (0 << 16) +#define TRIGGER_EDGE (0 << 15) +#define TRIGGER_LEVEL (1 << 15) +#define POLARITY_HIGH (0 << 13) +#define POLARITY_LOW (1 << 13) +#define PHYSICAL_DEST (0 << 11) +#define LOGICAL_DEST (1 << 11) +#define ExtINT (7 << 8) +#define NMI (4 << 8) +#define SMI (2 << 8) +#define INT (1 << 8) + +u32 io_apic_read(u32 ioapic_base, u32 reg); +void io_apic_write(u32 ioapic_base, u32 reg, u32 value); +void set_ioapic_id(u32 ioapic_base, u8 ioapic_id); +void setup_ioapic(u32 ioapic_base, u8 ioapic_id); +void clear_ioapic(u32 ioapic_base); + +#endif diff --git a/arch/x86/include/asm/lapic.h b/arch/x86/include/asm/lapic.h index 948e643a7ed..0a7f4431956 100644 --- a/arch/x86/include/asm/lapic.h +++ b/arch/x86/include/asm/lapic.h @@ -14,6 +14,13 @@ #include <asm/msr.h> #include <asm/processor.h> +/* See if I need to initialize the local apic */ +#if CONFIG_SMP || CONFIG_IOAPIC +# define NEED_LAPIC 1 +#else +# define NEED_LAPIC 0 +#endif + static inline __attribute__((always_inline)) unsigned long lapic_read(unsigned long reg) { @@ -37,8 +44,9 @@ static inline void enable_lapic(void) msr = msr_read(LAPIC_BASE_MSR); msr.hi &= 0xffffff00; - msr.lo &= 0x000007ff; - msr.lo |= LAPIC_DEFAULT_BASE | (1 << 11); + msr.lo |= LAPIC_BASE_MSR_ENABLE; + msr.lo &= ~LAPIC_BASE_MSR_ADDR_MASK; + msr.lo |= LAPIC_DEFAULT_BASE; msr_write(LAPIC_BASE_MSR, msr); } @@ -56,4 +64,116 @@ static inline __attribute__((always_inline)) unsigned long lapicid(void) return lapic_read(LAPIC_ID) >> 24; } +#if !CONFIG_AP_IN_SIPI_WAIT +/* If we need to go back to sipi wait, we use the long non-inlined version of + * this function in lapic_cpu_init.c + */ +static inline __attribute__((always_inline)) void stop_this_cpu(void) +{ + /* Called by an AP when it is ready to halt and wait for a new task */ + for (;;) + cpu_hlt(); +} +#else +void stop_this_cpu(void); +#endif + +#define xchg(ptr, v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v), (ptr), \ + sizeof(*(ptr)))) + +struct __xchg_dummy { unsigned long a[100]; }; +#define __xg(x) ((struct __xchg_dummy *)(x)) + +/* + * Note: no "lock" prefix even on SMP: xchg always implies lock anyway + * Note 2: xchg has side effect, so that attribute volatile is necessary, + * but generally the primitive is invalid, *ptr is output argument. --ANK + */ +static inline unsigned long __xchg(unsigned long x, volatile void *ptr, + int size) +{ + switch (size) { + case 1: + __asm__ __volatile__("xchgb %b0,%1" + : "=q" (x) + : "m" (*__xg(ptr)), "0" (x) + : "memory"); + break; + case 2: + __asm__ __volatile__("xchgw %w0,%1" + : "=r" (x) + : "m" (*__xg(ptr)), "0" (x) + : "memory"); + break; + case 4: + __asm__ __volatile__("xchgl %0,%1" + : "=r" (x) + : "m" (*__xg(ptr)), "0" (x) + : "memory"); + break; + } + + return x; +} + +static inline void lapic_write_atomic(unsigned long reg, unsigned long v) +{ + (void)xchg((volatile unsigned long *)(LAPIC_DEFAULT_BASE + reg), v); +} + + +#ifdef X86_GOOD_APIC +# define FORCE_READ_AROUND_WRITE 0 +# define lapic_read_around(x) lapic_read(x) +# define lapic_write_around(x, y) lapic_write((x), (y)) +#else +# define FORCE_READ_AROUND_WRITE 1 +# define lapic_read_around(x) lapic_read(x) +# define lapic_write_around(x, y) lapic_write_atomic((x), (y)) +#endif + +static inline int lapic_remote_read(int apicid, int reg, unsigned long *pvalue) +{ + int timeout; + unsigned long status; + int result; + lapic_wait_icr_idle(); + lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid)); + lapic_write_around(LAPIC_ICR, LAPIC_DM_REMRD | (reg >> 4)); + timeout = 0; + do { + status = lapic_read(LAPIC_ICR) & LAPIC_ICR_RR_MASK; + } while (status == LAPIC_ICR_RR_INPROG && timeout++ < 1000); + + result = -1; + if (status == LAPIC_ICR_RR_VALID) { + *pvalue = lapic_read(LAPIC_RRR); + result = 0; + } + return result; +} + + +void lapic_setup(void); + +#if CONFIG_SMP +struct device; +int start_cpu(struct device *cpu); +#endif /* CONFIG_SMP */ + +int boot_cpu(void); + +/** + * struct x86_cpu_priv - Information about a single CPU + * + * @apic_id: Advanced Programmable Interrupt Controller Identifier, which is + * just a number representing the CPU core + * + * TODO: Move this to driver model once lifecycle is understood + */ +struct x86_cpu_priv { + int apic_id; + int start_err; +}; + #endif diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 6027d593ff1..2cbb270089a 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -326,6 +326,8 @@ #define MSR_AMD_PERF_STATUS 0xc0010063 #define MSR_AMD_PERF_CTL 0xc0010062 +#define MSR_PMG_CST_CONFIG_CTL 0x000000e2 +#define MSR_PMG_IO_CAPTURE_ADR 0x000000e4 #define MSR_IA32_MPERF 0x000000e7 #define MSR_IA32_APERF 0x000000e8 diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index df4398378ca..1955a752b91 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -229,17 +229,6 @@ do { \ struct msr *msrs_alloc(void); void msrs_free(struct msr *msrs); -#ifdef CONFIG_SMP -int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); -int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); -void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs); -void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs); -int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); -int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); -int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]); -int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]); - -#endif /* CONFIG_SMP */ #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_MSR_H */ diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 98817aa8a22..ac1a8083071 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -34,6 +34,9 @@ void board_pci_setup_hose(struct pci_controller *hose); */ int pci_early_init_hose(struct pci_controller **hosep); +int board_pci_pre_scan(struct pci_controller *hose); +int board_pci_post_scan(struct pci_controller *hose); + /* * Simple PCI access routines - these work from either the early PCI hose * or the 'real' one, created after U-Boot has memory available diff --git a/arch/x86/include/asm/post.h b/arch/x86/include/asm/post.h index ce68839deca..6d2ae5dfe7b 100644 --- a/arch/x86/include/asm/post.h +++ b/arch/x86/include/asm/post.h @@ -30,6 +30,7 @@ #define POST_PRE_MRC 0x2e #define POST_MRC 0x2f #define POST_DRAM 0x2f +#define POST_LAPIC 0x30 #define POST_RAM_FAILURE 0xea diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index b9317cb34b2..3e26202aa54 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -8,25 +8,18 @@ #ifndef __ASM_PROCESSOR_H_ #define __ASM_PROCESSOR_H_ 1 -#define X86_GDT_ENTRY_SIZE 8 - -#ifndef __ASSEMBLY__ - -enum { - X86_GDT_ENTRY_NULL = 0, - X86_GDT_ENTRY_UNUSED, - X86_GDT_ENTRY_32BIT_CS, - X86_GDT_ENTRY_32BIT_DS, - X86_GDT_ENTRY_32BIT_FS, - X86_GDT_ENTRY_16BIT_CS, - X86_GDT_ENTRY_16BIT_DS, - X86_GDT_NUM_ENTRIES -}; -#else -/* NOTE: If the above enum is modified, this define must be checked */ -#define X86_GDT_ENTRY_32BIT_DS 3 -#define X86_GDT_NUM_ENTRIES 7 -#endif +#define X86_GDT_ENTRY_SIZE 8 + +#define X86_GDT_ENTRY_NULL 0 +#define X86_GDT_ENTRY_UNUSED 1 +#define X86_GDT_ENTRY_32BIT_CS 2 +#define X86_GDT_ENTRY_32BIT_DS 3 +#define X86_GDT_ENTRY_32BIT_FS 4 +#define X86_GDT_ENTRY_16BIT_CS 5 +#define X86_GDT_ENTRY_16BIT_DS 6 +#define X86_GDT_ENTRY_16BIT_FLAT_CS 7 +#define X86_GDT_ENTRY_16BIT_FLAT_DS 8 +#define X86_GDT_NUM_ENTRIES 9 #define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE) diff --git a/arch/x86/include/asm/speedstep.h b/arch/x86/include/asm/speedstep.h new file mode 100644 index 00000000000..b938b86ba8f --- /dev/null +++ b/arch/x86/include/asm/speedstep.h @@ -0,0 +1,89 @@ +/* + * From Coreboot file of same name + * + * Copyright (C) 2007-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_SPEEDSTEP_H +#define _ASM_SPEEDSTEP_H + +/* Magic value used to locate speedstep configuration in the device tree */ +#define SPEEDSTEP_APIC_MAGIC 0xACAC + +/* MWAIT coordination I/O base address. This must match + * the \_PR_.CPU0 PM base address. + */ +#define PMB0_BASE 0x510 + +/* PMB1: I/O port that triggers SMI once cores are in the same state. + * See CSM Trigger, at PMG_CST_CONFIG_CONTROL[6:4] + */ +#define PMB1_BASE 0x800 + +struct sst_state { + uint8_t dynfsb:1; /* whether this is SLFM */ + uint8_t nonint:1; /* add .5 to ratio */ + uint8_t ratio:6; + uint8_t vid; + uint8_t is_turbo; + uint8_t is_slfm; + uint32_t power; +}; +#define SPEEDSTEP_RATIO_SHIFT 8 +#define SPEEDSTEP_RATIO_DYNFSB_SHIFT (7 + SPEEDSTEP_RATIO_SHIFT) +#define SPEEDSTEP_RATIO_DYNFSB (1 << SPEEDSTEP_RATIO_DYNFSB_SHIFT) +#define SPEEDSTEP_RATIO_NONINT_SHIFT (6 + SPEEDSTEP_RATIO_SHIFT) +#define SPEEDSTEP_RATIO_NONINT (1 << SPEEDSTEP_RATIO_NONINT_SHIFT) +#define SPEEDSTEP_RATIO_VALUE_MASK (0x1f << SPEEDSTEP_RATIO_SHIFT) +#define SPEEDSTEP_VID_MASK 0x3f +#define SPEEDSTEP_STATE_FROM_MSR(val, mask) ((struct sst_state){ \ + 0, /* dynfsb won't be read. */ \ + ((val & mask) & SPEEDSTEP_RATIO_NONINT) ? 1 : 0, \ + (((val & mask) & SPEEDSTEP_RATIO_VALUE_MASK) \ + >> SPEEDSTEP_RATIO_SHIFT), \ + (val & mask) & SPEEDSTEP_VID_MASK, \ + 0, /* not turbo by default */ \ + 0, /* not slfm by default */ \ + 0 /* power is hardcoded in software. */ \ + }) +#define SPEEDSTEP_ENCODE_STATE(state) ( \ + ((uint16_t)(state).dynfsb << SPEEDSTEP_RATIO_DYNFSB_SHIFT) | \ + ((uint16_t)(state).nonint << SPEEDSTEP_RATIO_NONINT_SHIFT) | \ + ((uint16_t)(state).ratio << SPEEDSTEP_RATIO_SHIFT) | \ + ((uint16_t)(state).vid & SPEEDSTEP_VID_MASK)) +#define SPEEDSTEP_DOUBLE_RATIO(state) ( \ + ((uint8_t)(state).ratio * 2) + (state).nonint) + +struct sst_params { + struct sst_state slfm; + struct sst_state min; + struct sst_state max; + struct sst_state turbo; +}; + +/* Looking at core2's spec, the highest normal bus ratio for an eist enabled + processor is 14, the lowest is always 6. This makes 5 states with the + minimal step width of 2. With turbo mode and super LFM we have at most 7. */ +#define SPEEDSTEP_MAX_NORMAL_STATES 5 +#define SPEEDSTEP_MAX_STATES (SPEEDSTEP_MAX_NORMAL_STATES + 2) +struct sst_table { + /* Table of p-states for EMTTM and ACPI by decreasing performance. */ + struct sst_state states[SPEEDSTEP_MAX_STATES]; + int num_states; +}; + +void speedstep_gen_pstates(struct sst_table *); + +#define SPEEDSTEP_MAX_POWER_YONAH 31000 +#define SPEEDSTEP_MIN_POWER_YONAH 13100 +#define SPEEDSTEP_MAX_POWER_MEROM 35000 +#define SPEEDSTEP_MIN_POWER_MEROM 25000 +#define SPEEDSTEP_SLFM_POWER_MEROM 12000 +#define SPEEDSTEP_MAX_POWER_PENRYN 35000 +#define SPEEDSTEP_MIN_POWER_PENRYN 15000 +#define SPEEDSTEP_SLFM_POWER_PENRYN 12000 + +#endif diff --git a/arch/x86/include/asm/turbo.h b/arch/x86/include/asm/turbo.h new file mode 100644 index 00000000000..bb0d4b43548 --- /dev/null +++ b/arch/x86/include/asm/turbo.h @@ -0,0 +1,31 @@ +/* + * From coreboot file of the same name + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_TURBO_H +#define _ASM_TURBO_H + +#define CPUID_LEAF_PM 6 +#define PM_CAP_TURBO_MODE (1 << 1) + +#define MSR_IA32_MISC_ENABLES 0x1a0 +#define H_MISC_DISABLE_TURBO (1 << 6) + +enum { + TURBO_UNKNOWN, + TURBO_UNAVAILABLE, + TURBO_DISABLED, + TURBO_ENABLED, +}; + +/* Return current turbo state */ +int turbo_get_state(void); + +/* Enable turbo */ +void turbo_enable(void); + +#endif diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index 98217dd615f..36145cb0a81 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -10,8 +10,6 @@ /* cpu/.../cpu.c */ int arch_cpu_init(void); -int x86_cpu_init_r(void); -int cpu_init_r(void); int x86_cpu_init_f(void); int cpu_init_f(void); void init_gd(gd_t *id, u64 *gdt_addr); |