From 6401fdb02593940e3091b1d200c64d9c1d7269f3 Mon Sep 17 00:00:00 2001 From: Kerry She Date: Sat, 7 May 2011 09:15:02 +0000 Subject: ADVANSUS A785E-I Mainboard support, Family10h ASB2, RS880(RS785E) + SB820 platform. Signed-off-by: Kerry She Acked-by: Stefan Reinauer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6561 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/advansus/a785e-i/reset.c | 63 ++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/mainboard/advansus/a785e-i/reset.c (limited to 'src/mainboard/advansus/a785e-i/reset.c') diff --git a/src/mainboard/advansus/a785e-i/reset.c b/src/mainboard/advansus/a785e-i/reset.c new file mode 100644 index 0000000000..5212b3a5ef --- /dev/null +++ b/src/mainboard/advansus/a785e-i/reset.c @@ -0,0 +1,63 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, 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 + */ + +#include +#include +#include + +#define HT_INIT_CONTROL 0x6C +#define HTIC_BIOSR_Detect (1<<5) + +#if CONFIG_MAX_PHYSICAL_CPUS > 32 +#define NODE_PCI(x, fn) ((x<32)?(PCI_DEV(CONFIG_CBB,(CONFIG_CDB+x),fn)):(PCI_DEV((CONFIG_CBB-1),(CONFIG_CDB+x-32),fn))) +#else +#define NODE_PCI(x, fn) PCI_DEV(CONFIG_CBB,(CONFIG_CDB+x),fn) +#endif + +static inline void set_bios_reset(void) +{ + u32 nodes, htic; + device_t dev; + int i; + + nodes = ((pci_read_config32(PCI_DEV(CONFIG_CBB, CONFIG_CDB, 0), 0x60) >> 4) & 7) + 1; + for (i = 0; i < nodes; i++) { + dev = NODE_PCI(i, 0); + htic = pci_read_config32(dev, HT_INIT_CONTROL); + htic &= ~HTIC_BIOSR_Detect; + pci_write_config32(dev, HT_INIT_CONTROL, htic); + } +} + +void hard_reset(void) +{ + set_bios_reset(); + /* Try rebooting through port 0xcf9 */ + /* Actually it is not a real hard_reset --- it only reset coherent link table, but not reset link freq and width */ + outb((0 << 3) | (0 << 2) | (1 << 1), 0xcf9); + outb((0 << 3) | (1 << 2) | (1 << 1), 0xcf9); +} + +//SbReset(); +void soft_reset(void) +{ + set_bios_reset(); + /* link reset */ + outb(0x06, 0x0cf9); +} -- cgit v1.2.3