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authorzbao <fishbaozi@gmail.com>2012-07-19 16:39:01 +0800
committerPatrick Georgi <patrick@georgi-clan.de>2012-07-22 13:10:02 +0200
commit323a9236954cd847ad36c9b48b97fe9f74c49ea4 (patch)
treed71daf8a1a09ba82e075e5834598c3b9bbe18bbc /src/mainboard/amd/parmer/reset.c
parent6db7f348ea35e25b880edb73e4c322a361c1a8c9 (diff)
Mainboard Parmer based on Trinity
Parmer has. 1. Trinity, Socket FS1R2. 2. Hudson A75. Ubuntu has been validated on Parmer. S3 is supported. Change-Id: I1a6932d0ca9f7abe78dc24d3bc238a4b5a48281b Signed-off-by: Zheng Bao <zheng.bao@amd.com> Signed-off-by: zbao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/1158 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/amd/parmer/reset.c')
-rw-r--r--src/mainboard/amd/parmer/reset.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/mainboard/amd/parmer/reset.c b/src/mainboard/amd/parmer/reset.c
new file mode 100644
index 0000000000..5735fa2446
--- /dev/null
+++ b/src/mainboard/amd/parmer/reset.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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 <reset.h>
+#include <arch/io.h> /*inb, outb*/
+#include <arch/romcc_io.h> /*pci_read_config32, device_t, PCI_DEV*/
+
+#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;
+ u32 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);
+}