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authorefdesign98 <efdesign98@gmail.com>2011-06-20 19:56:06 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2011-06-28 23:09:25 +0200
commit7c0c64e1033b4edf9a488e8e31948726ee17465e (patch)
tree17d6b727807ed513c68ac00b9255577a86717b1b /src/southbridge/amd/cimx/sb900/early.c
parent7c634ae8c18d1e311b5b96f09b5e6af23e57eaf7 (diff)
Addition of Family12/SB900 wrapper code
This change adds the wrapper code for the AMD Family12 cpus and the AMD Hudson-2 (SB900) southbridge to the cpu, northbridge and southbridge folders respectively. Change-Id: I22b6efe0017d0af03eaa36a1db1615e5f38da06c Signed-off-by: Frank Vibrans <frank.vibrans@amd.com> Signed-off-by: efdesign98 <efdesign98@gmail.com> Reviewed-on: http://review.coreboot.org/53 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/southbridge/amd/cimx/sb900/early.c')
-rwxr-xr-xsrc/southbridge/amd/cimx/sb900/early.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/southbridge/amd/cimx/sb900/early.c b/src/southbridge/amd/cimx/sb900/early.c
new file mode 100755
index 0000000000..e09eb29958
--- /dev/null
+++ b/src/southbridge/amd/cimx/sb900/early.c
@@ -0,0 +1,167 @@
+/*
+ * 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 <config.h>
+#include <stdint.h>
+#include <device/pci_ids.h>
+#include <arch/io.h> /* inl, outl */
+#include <arch/romcc_io.h> /* device_t */
+#include "SbPlatform.h"
+#include "SbEarly.h"
+#include "cfg.h" /*sb900_cimx_config*/
+#include <console/console.h>
+#include <console/loglevel.h>
+#include "smbus.h"
+
+
+/**
+ * @brief Get SouthBridge device number
+ * @param[in] bus target bus number
+ * @return southbridge device number
+ */
+u32 get_sbdn(u32 bus)
+{
+ device_t dev;
+
+ printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - Start.\n");
+ //dev = PCI_DEV(bus, 0x14, 0);
+ dev = pci_locate_device_on_bus(
+ PCI_ID(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_ATI_SB900_SM),
+ bus);
+
+ printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - End.\n");
+ return (dev >> 15) & 0x1f;
+}
+
+
+/**
+ * @brief South Bridge CIMx romstage entry,
+ * wrapper of sbPowerOnInit entry point.
+ */
+void sb_poweron_init(void)
+{
+ AMDSBCFG sb_early_cfg;
+ u8 data;
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_poweron_init - Start.\n");
+
+ //Enable/Disable PCI Bridge Device 14 Function 4.
+ outb(0xEA, 0xCD6);
+ data = inb(0xCD7);
+ data &= !BIT0;
+ if(!CONFIG_PCIB_ENABLE) {
+ data |= BIT0;
+ }
+ outb(data, 0xCD7);
+
+ SbPowerOnInit_Config(&sb_early_cfg);
+ //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
+ //AmdSbDispatcher(&sb_early_cfg);
+ //TODO
+ //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
+ // VerifyImage() will fail, LocateImage() take minitues to find the image.
+ sbPowerOnInit(&sb_early_cfg);
+ printk(BIOS_INFO, "SB900 - Early.c - sb_poweron_init - End.\n");
+}
+
+/**
+ * @brief South Bridge CIMx romstage entry,
+ * wrapper of sbPowerOnInit entry point.
+ */
+void sb_before_pci_init(void)
+{
+ AMDSBCFG sb_early_cfg;
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_before_pci_init - Start.\n");
+ sb900_cimx_config(&sb_early_cfg);
+ //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
+ //AmdSbDispatcher(&sb_early_cfg);
+ //TODO
+ //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
+ // VerifyImage() will fail, LocateImage() take minitues to find the image.
+ sbBeforePciInit(&sb_early_cfg);
+ printk(BIOS_INFO, "SB900 - Early.c - sb_before_pci_init - End.\n");
+}
+
+void sb_After_Pci_Init(void)
+{
+ AMDSBCFG sb_early_cfg;
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_After_Pci_Init - Start.\n");
+ sb900_cimx_config(&sb_early_cfg);
+ //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
+ //AmdSbDispatcher(&sb_early_cfg);
+ //TODO
+ //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
+ // VerifyImage() will fail, LocateImage() take minitues to find the image.
+ sbAfterPciInit(&sb_early_cfg);
+ printk(BIOS_INFO, "SB900 - Early.c - sb_After_Pci_Init - End.\n");
+}
+
+void sb_Mid_Post_Init(void)
+{
+ AMDSBCFG sb_early_cfg;
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_Mid_Post_Init - Start.\n");
+ sb900_cimx_config(&sb_early_cfg);
+ //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
+ //AmdSbDispatcher(&sb_early_cfg);
+ //TODO
+ //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
+ // VerifyImage() will fail, LocateImage() take minitues to find the image.
+ sbMidPostInit(&sb_early_cfg);
+ printk(BIOS_INFO, "SB900 - Early.c - sb_Mid_Post_Init - End.\n");
+}
+
+void sb_Late_Post(void)
+{
+ AMDSBCFG sb_early_cfg;
+ u8 data;
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_Late_Post - Start.\n");
+ sb900_cimx_config(&sb_early_cfg);
+ //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
+ //AmdSbDispatcher(&sb_early_cfg);
+ //TODO
+ //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
+ // VerifyImage() will fail, LocateImage() take minitues to find the image.
+ sbLatePost(&sb_early_cfg);
+
+ //Set ACPI SCI IRQ to 0x9.
+ data = CONFIG_ACPI_SCI_IRQ;
+ outb(0x10, 0xC00);
+ outb(data, 0xC01);
+ outb(0x90, 0xC00);
+ outb(data, 0xC01);
+
+ if (data > 0x7) {
+ data = inb(0x4D1);
+ data |= (1 << (CONFIG_ACPI_SCI_IRQ - 8));
+ outb(data, 0x4D1);
+ } else {
+ data = inb(0x4D0);
+ data |= (1 << (CONFIG_ACPI_SCI_IRQ));
+ outb(data, 0x4D0);
+ }
+
+ printk(BIOS_INFO, "SB900 - Early.c - sb_Late_Post - End.\n");
+}
+
+