| /* |
| * Copyright (c) 2014 Google, Inc |
| * |
| * From Coreboot src/southbridge/intel/bd82x6x/pch.h |
| * |
| * Copyright (C) 2008-2009 coresystems GmbH |
| * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. |
| * |
| * SPDX-License-Identifier: GPL-2.0 |
| */ |
| |
| #ifndef _ASM_ARCH_PCH_H |
| #define _ASM_ARCH_PCH_H |
| |
| #include <pci.h> |
| |
| /* PCI Configuration Space (D31:F0): LPC */ |
| #define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0) |
| |
| #define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */ |
| #define LPC_EN 0x82 /* LPC IF Enables Register */ |
| #define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */ |
| #define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */ |
| #define MC_LPC_EN (1 << 11) /* 0x62/0x66 */ |
| #define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */ |
| #define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */ |
| #define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */ |
| #define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */ |
| #define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */ |
| #define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */ |
| #define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */ |
| #define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */ |
| #define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */ |
| #define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */ |
| #define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ |
| #define LPC_GENX_DEC(x) (0x84 + 4 * (x)) |
| |
| #define DEFAULT_RCBA 0xfed1c000 |
| |
| /* Root Complex Register Block */ |
| #define RCB_REG(reg) (DEFAULT_RCBA + (reg)) |
| |
| #define PCH_RCBA_BASE 0xf0 |
| |
| #define VCH 0x0000 /* 32bit */ |
| #define VCAP1 0x0004 /* 32bit */ |
| #define VCAP2 0x0008 /* 32bit */ |
| #define PVC 0x000c /* 16bit */ |
| #define PVS 0x000e /* 16bit */ |
| |
| #define V0CAP 0x0010 /* 32bit */ |
| #define V0CTL 0x0014 /* 32bit */ |
| #define V0STS 0x001a /* 16bit */ |
| |
| #define V1CAP 0x001c /* 32bit */ |
| #define V1CTL 0x0020 /* 32bit */ |
| #define V1STS 0x0026 /* 16bit */ |
| |
| #define RCTCL 0x0100 /* 32bit */ |
| #define ESD 0x0104 /* 32bit */ |
| #define ULD 0x0110 /* 32bit */ |
| #define ULBA 0x0118 /* 64bit */ |
| |
| #define RP1D 0x0120 /* 32bit */ |
| #define RP1BA 0x0128 /* 64bit */ |
| #define RP2D 0x0130 /* 32bit */ |
| #define RP2BA 0x0138 /* 64bit */ |
| #define RP3D 0x0140 /* 32bit */ |
| #define RP3BA 0x0148 /* 64bit */ |
| #define RP4D 0x0150 /* 32bit */ |
| #define RP4BA 0x0158 /* 64bit */ |
| #define HDD 0x0160 /* 32bit */ |
| #define HDBA 0x0168 /* 64bit */ |
| #define RP5D 0x0170 /* 32bit */ |
| #define RP5BA 0x0178 /* 64bit */ |
| #define RP6D 0x0180 /* 32bit */ |
| #define RP6BA 0x0188 /* 64bit */ |
| |
| #define RPC 0x0400 /* 32bit */ |
| #define RPFN 0x0404 /* 32bit */ |
| |
| #define SPI_FREQ_SWSEQ 0x3893 |
| #define SPI_DESC_COMP0 0x38b0 |
| #define SPI_FREQ_WR_ERA 0x38b4 |
| #define SOFT_RESET_CTRL 0x38f4 |
| #define SOFT_RESET_DATA 0x38f8 |
| |
| #define RC 0x3400 /* 32bit */ |
| #define HPTC 0x3404 /* 32bit */ |
| #define GCS 0x3410 /* 32bit */ |
| #define BUC 0x3414 /* 32bit */ |
| #define PCH_DISABLE_GBE (1 << 5) |
| #define FD 0x3418 /* 32bit */ |
| #define DISPBDF 0x3424 /* 16bit */ |
| #define FD2 0x3428 /* 32bit */ |
| #define CG 0x341c /* 32bit */ |
| |
| /** |
| * lpc_early_init() - set up LPC serial ports and other early things |
| * |
| * @blob: Device tree blob |
| * @node: Offset of LPC node |
| * @dev: PCH PCI device containing the LPC |
| * @return 0 if OK, -ve on error |
| */ |
| int lpc_early_init(const void *blob, int node, pci_dev_t dev); |
| |
| #endif |