Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 1 | /* |
Bin Meng | 63d54a6 | 2015-06-17 11:15:38 +0800 | [diff] [blame] | 2 | * From coreboot file of same name |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2014 Google, Inc |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0 |
| 7 | */ |
| 8 | |
| 9 | #ifndef _ARCH_ASM_LAPIC_H |
| 10 | #define _ARCH_ASM_LAPIC_H |
| 11 | |
Bin Meng | 63d54a6 | 2015-06-17 11:15:38 +0800 | [diff] [blame] | 12 | #define LAPIC_DEFAULT_BASE 0xfee00000 |
| 13 | |
| 14 | #define LAPIC_ID 0x020 |
| 15 | #define LAPIC_LVR 0x030 |
| 16 | |
| 17 | #define LAPIC_TASKPRI 0x080 |
| 18 | #define LAPIC_TPRI_MASK 0xff |
| 19 | |
| 20 | #define LAPIC_RRR 0x0c0 |
| 21 | |
| 22 | #define LAPIC_SPIV 0x0f0 |
| 23 | #define LAPIC_SPIV_ENABLE 0x100 |
| 24 | |
| 25 | #define LAPIC_ICR 0x300 |
| 26 | #define LAPIC_DEST_SELF 0x40000 |
| 27 | #define LAPIC_DEST_ALLINC 0x80000 |
| 28 | #define LAPIC_DEST_ALLBUT 0xc0000 |
| 29 | #define LAPIC_ICR_RR_MASK 0x30000 |
| 30 | #define LAPIC_ICR_RR_INVALID 0x00000 |
| 31 | #define LAPIC_ICR_RR_INPROG 0x10000 |
| 32 | #define LAPIC_ICR_RR_VALID 0x20000 |
| 33 | #define LAPIC_INT_LEVELTRIG 0x08000 |
| 34 | #define LAPIC_INT_ASSERT 0x04000 |
| 35 | #define LAPIC_ICR_BUSY 0x01000 |
| 36 | #define LAPIC_DEST_LOGICAL 0x00800 |
| 37 | #define LAPIC_DM_FIXED 0x00000 |
| 38 | #define LAPIC_DM_LOWEST 0x00100 |
| 39 | #define LAPIC_DM_SMI 0x00200 |
| 40 | #define LAPIC_DM_REMRD 0x00300 |
| 41 | #define LAPIC_DM_NMI 0x00400 |
| 42 | #define LAPIC_DM_INIT 0x00500 |
| 43 | #define LAPIC_DM_STARTUP 0x00600 |
| 44 | #define LAPIC_DM_EXTINT 0x00700 |
| 45 | #define LAPIC_VECTOR_MASK 0x000ff |
| 46 | |
| 47 | #define LAPIC_ICR2 0x310 |
| 48 | #define GET_LAPIC_DEST_FIELD(x) (((x) >> 24) & 0xff) |
| 49 | #define SET_LAPIC_DEST_FIELD(x) ((x) << 24) |
| 50 | |
| 51 | #define LAPIC_LVT0 0x350 |
| 52 | #define LAPIC_LVT1 0x360 |
| 53 | #define LAPIC_LVT_MASKED (1 << 16) |
| 54 | #define LAPIC_LVT_LEVEL_TRIGGER (1 << 15) |
| 55 | #define LAPIC_LVT_REMOTE_IRR (1 << 14) |
| 56 | #define LAPIC_INPUT_POLARITY (1 << 13) |
| 57 | #define LAPIC_SEND_PENDING (1 << 12) |
| 58 | #define LAPIC_LVT_RESERVED_1 (1 << 11) |
| 59 | #define LAPIC_DELIVERY_MODE_MASK (7 << 8) |
| 60 | #define LAPIC_DELIVERY_MODE_FIXED (0 << 8) |
| 61 | #define LAPIC_DELIVERY_MODE_NMI (4 << 8) |
| 62 | #define LAPIC_DELIVERY_MODE_EXTINT (7 << 8) |
Simon Glass | 0c9075e | 2014-11-24 21:18:15 -0700 | [diff] [blame] | 63 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 64 | unsigned long lapic_read(unsigned long reg); |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 65 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 66 | void lapic_write(unsigned long reg, unsigned long v); |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 67 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 68 | void enable_lapic(void); |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 69 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 70 | void disable_lapic(void); |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 71 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 72 | unsigned long lapicid(void); |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 73 | |
Bin Meng | a2d73fd | 2015-06-23 12:18:50 +0800 | [diff] [blame] | 74 | int lapic_remote_read(int apicid, int reg, unsigned long *pvalue); |
Simon Glass | 0c9075e | 2014-11-24 21:18:15 -0700 | [diff] [blame] | 75 | |
Simon Glass | 0c9075e | 2014-11-24 21:18:15 -0700 | [diff] [blame] | 76 | void lapic_setup(void); |
| 77 | |
Simon Glass | 3eafce0 | 2014-11-12 22:42:27 -0700 | [diff] [blame] | 78 | #endif |