Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2008 VIA Technologies, Inc. |
| 5 | * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA) |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
Paul Menzel | a46a712 | 2013-02-23 18:37:27 +0100 | [diff] [blame] | 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 20 | */ |
| 21 | |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 22 | #include <stdint.h> |
| 23 | #include <device/pci_def.h> |
| 24 | #include <device/pci_ids.h> |
| 25 | #include <arch/io.h> |
| 26 | #include <device/pnp_def.h> |
Patrick Georgi | 12584e2 | 2010-05-08 09:14:51 +0000 | [diff] [blame] | 27 | #include <console/console.h> |
Patrick Georgi | d083595 | 2010-10-05 09:07:10 +0000 | [diff] [blame] | 28 | #include <lib.h> |
Edward O'Callaghan | 77757c2 | 2015-01-04 21:33:39 +1100 | [diff] [blame^] | 29 | #include <northbridge/via/cn700/raminit.h> |
| 30 | #include <cpu/x86/bist.h> |
Stefan Reinauer | ae5e11d | 2012-04-27 02:31:28 +0200 | [diff] [blame] | 31 | #include "drivers/pc80/udelay_io.c" |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 32 | #include "lib/delay.c" |
stepan | 836ae29 | 2010-12-08 05:42:47 +0000 | [diff] [blame] | 33 | #include "southbridge/via/vt8237r/early_smbus.c" |
| 34 | #include "southbridge/via/vt8235/early_serial.c" |
Uwe Hermann | 6dc92f0 | 2010-11-21 11:36:03 +0000 | [diff] [blame] | 35 | #include <spd.h> |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 36 | |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 37 | static inline int spd_read_byte(unsigned device, unsigned address) |
| 38 | { |
| 39 | return smbus_read_byte(device, address); |
| 40 | } |
| 41 | |
| 42 | #include "northbridge/via/cn700/raminit.c" |
| 43 | |
| 44 | static void enable_mainboard_devices(void) |
| 45 | { |
| 46 | device_t dev; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 47 | |
Uwe Hermann | 7b99705 | 2010-11-21 22:47:22 +0000 | [diff] [blame] | 48 | dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, |
| 49 | PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 50 | if (dev == PCI_DEV_INVALID) |
Bari Ari | d4759d0 | 2008-09-01 01:48:07 +0000 | [diff] [blame] | 51 | die("Southbridge not found!!!\n"); |
| 52 | |
| 53 | /* bit=0 means enable function (per CX700 datasheet) |
| 54 | * 5 16.1 USB 2 |
| 55 | * 4 16.0 USB 1 |
| 56 | * 3 15.0 SATA and PATA |
| 57 | * 2 16.2 USB 3 |
| 58 | * 1 16.4 USB EHCI |
| 59 | */ |
| 60 | pci_write_config8(dev, 0x50, 0x80); |
| 61 | |
| 62 | /* bit=1 means enable internal function (per CX700 datasheet) |
| 63 | * 3 Internal RTC |
| 64 | * 2 Internal PS2 Mouse |
| 65 | * 1 Internal KBC Configuration |
| 66 | * 0 Internal Keyboard Controller |
| 67 | */ |
| 68 | pci_write_config8(dev, 0x51, 0x1d); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | static const struct mem_controller ctrl = { |
| 72 | .d0f0 = 0x0000, |
| 73 | .d0f2 = 0x2000, |
| 74 | .d0f3 = 0x3000, |
| 75 | .d0f4 = 0x4000, |
| 76 | .d0f7 = 0x7000, |
| 77 | .d1f0 = 0x8000, |
Uwe Hermann | d773fd3 | 2010-11-20 20:23:08 +0000 | [diff] [blame] | 78 | .channel0 = { DIMM0 }, |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 79 | }; |
| 80 | |
Aaron Durbin | a0a3727 | 2014-08-14 08:35:11 -0500 | [diff] [blame] | 81 | #include <cpu/intel/romstage.h> |
Stefan Reinauer | 314e551 | 2010-04-09 20:36:29 +0000 | [diff] [blame] | 82 | void main(unsigned long bist) |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 83 | { |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 84 | /* Enable multifunction for northbridge. */ |
| 85 | pci_write_config8(ctrl.d0f0, 0x4f, 0x01); |
| 86 | |
| 87 | enable_vt8235_serial(); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 88 | console_init(); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 89 | enable_smbus(); |
| 90 | smbus_fixup(&ctrl); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 91 | report_bist_failure(bist); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 92 | enable_mainboard_devices(); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 93 | ddr_ram_setup(&ctrl); |
Aaron Lwe | fcb2a31 | 2008-05-19 12:17:43 +0000 | [diff] [blame] | 94 | } |