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Diffstat (limited to 'src/soc/intel/broadwell/include/soc/systemagent.h')
| -rw-r--r-- | src/soc/intel/broadwell/include/soc/systemagent.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/include/soc/systemagent.h b/src/soc/intel/broadwell/include/soc/systemagent.h new file mode 100644 index 0000000000..5142b09e0a --- /dev/null +++ b/src/soc/intel/broadwell/include/soc/systemagent.h @@ -0,0 +1,133 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2014 Google Inc. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _BROADWELL_SYSTEMAGENT_H_ +#define _BROADWELL_SYSTEMAGENT_H_ + +#include <soc/iomap.h> + +#define SA_IGD_OPROM_VENDEV 0x80860406 + +#define IGD_HASWELL_ULT_GT1 0x0a06 +#define IGD_HASWELL_ULT_GT2 0x0a16 +#define IGD_HASWELL_ULT_GT3 0x0a26 +#define IGD_BROADWELL_U_GT1 0x1606 +#define IGD_BROADWELL_U_GT2 0x1616 +#define IGD_BROADWELL_U_GT3_15W 0x1626 +#define IGD_BROADWELL_U_GT3_28W 0x162b +#define IGD_BROADWELL_Y_GT2 0x161e +#define IGD_BROADWELL_H_GT2 0x1612 +#define IGD_BROADWELL_H_GT3 0x1622 + +#define MCH_BROADWELL_ID_U_Y 0x1604 +#define MCH_BROADWELL_REV_D0 0x06 +#define MCH_BROADWELL_REV_E0 0x08 +#define MCH_BROADWELL_REV_F0 0x09 + +/* Device 0:0.0 PCI configuration space */ + +#define EPBAR 0x40 +#define MCHBAR 0x48 +#define PCIEXBAR 0x60 +#define DMIBAR 0x68 +#define GGC 0x50 /* GMCH Graphics Control */ +#define DEVEN 0x54 /* Device Enable */ +#define DEVEN_D7EN (1 << 14) +#define DEVEN_D4EN (1 << 7) +#define DEVEN_D3EN (1 << 5) +#define DEVEN_D2EN (1 << 4) +#define DEVEN_D1F0EN (1 << 3) +#define DEVEN_D1F1EN (1 << 2) +#define DEVEN_D1F2EN (1 << 1) +#define DEVEN_D0EN (1 << 0) +#define DPR 0x5c +#define DPR_EPM (1 << 2) +#define DPR_PRS (1 << 1) +#define DPR_SIZE_MASK 0xff0 + +#define PAM0 0x80 +#define PAM1 0x81 +#define PAM2 0x82 +#define PAM3 0x83 +#define PAM4 0x84 +#define PAM5 0x85 +#define PAM6 0x86 + +#define SMRAM 0x88 /* System Management RAM Control */ +#define D_OPEN (1 << 6) +#define D_CLS (1 << 5) +#define D_LCK (1 << 4) +#define G_SMRAME (1 << 3) +#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) + +#define MESEG_BASE 0x70 /* Management Engine Base. */ +#define MESEG_LIMIT 0x78 /* Management Engine Limit. */ +#define REMAPBASE 0x90 /* Remap base. */ +#define REMAPLIMIT 0x98 /* Remap limit. */ +#define TOM 0xa0 /* Top of DRAM in memory controller space. */ +#define TOUUD 0xa8 /* Top of Upper Usable DRAM */ +#define BDSM 0xb0 /* Base Data Stolen Memory */ +#define BGSM 0xb4 /* Base GTT Stolen Memory */ +#define TSEG 0xb8 /* TSEG base */ +#define TOLUD 0xbc /* Top of Low Used Memory */ +#define SKPAD 0xdc /* Scratchpad Data */ + +/* MCHBAR */ + +#define MCHBAR8(x) *((volatile u8 *)(MCH_BASE_ADDRESS + x)) +#define MCHBAR16(x) *((volatile u16 *)(MCH_BASE_ADDRESS + x)) +#define MCHBAR32(x) *((volatile u32 *)(MCH_BASE_ADDRESS + x)) + +#define MCHBAR_PEI_VERSION 0x5034 +#define BIOS_RESET_CPL 0x5da8 +#define EDRAMBAR 0x5408 +#define MCH_PAIR 0x5418 +#define GDXCBAR 0x5420 + +#define MCH_PKG_POWER_LIMIT_LO 0x59a0 +#define MCH_PKG_POWER_LIMIT_HI 0x59a4 +#define MCH_DDR_POWER_LIMIT_LO 0x58e0 +#define MCH_DDR_POWER_LIMIT_HI 0x58e4 + +/* PCODE MMIO communications live in the MCHBAR. */ +#define BIOS_MAILBOX_INTERFACE 0x5da4 +#define MAILBOX_RUN_BUSY (1 << 31) +#define MAILBOX_BIOS_CMD_READ_PCS 1 +#define MAILBOX_BIOS_CMD_WRITE_PCS 2 +#define MAILBOX_BIOS_CMD_READ_CALIBRATION 0x509 +#define MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL 0x909 +#define MAILBOX_BIOS_CMD_READ_PCH_POWER 0xa +#define MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT 0xb +/* Errors are returned back in bits 7:0. */ +#define MAILBOX_BIOS_ERROR_NONE 0 +#define MAILBOX_BIOS_ERROR_INVALID_COMMAND 1 +#define MAILBOX_BIOS_ERROR_TIMEOUT 2 +#define MAILBOX_BIOS_ERROR_ILLEGAL_DATA 3 +#define MAILBOX_BIOS_ERROR_RESERVED 4 +#define MAILBOX_BIOS_ERROR_ILLEGAL_VR_ID 5 +#define MAILBOX_BIOS_ERROR_VR_INTERFACE_LOCKED 6 +#define MAILBOX_BIOS_ERROR_VR_ERROR 7 +/* Data is passed through bits 31:0 of the data register. */ +#define BIOS_MAILBOX_DATA 0x5da0 + +/* System Agent identification */ +u8 systemagent_revision(void); + +#endif |