This code provides southbridge initialization for SB800 south bridges. It is dependent on the AMD CIMx/SB800 code.
Signed-off-by: Frank Vibrans <frank.vibrans@amd.com>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Acked-by: Marc Jones <marcj303@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6346 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/southbridge/amd/cimx_wrapper/sb800/late.c b/src/southbridge/amd/cimx_wrapper/sb800/late.c
new file mode 100644
index 0000000..e2c36b0
--- /dev/null
+++ b/src/southbridge/amd/cimx_wrapper/sb800/late.c
@@ -0,0 +1,436 @@
+/*
+ * 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 <device/device.h> /* device_t */
+#include <device/pci.h> /* device_operations */
+#include <device/pci_ids.h>
+#include <device/smbus.h> /* smbus_bus_operations */
+#include <console/console.h> /* printk */
+#include "lpc.h" /* lpc_read_resources */
+#include "SBPLATFORM.h" /* Platfrom Specific Definitions */
+#include "cfg.h" /* sb800 Cimx configuration */
+#include "chip.h" /* struct southbridge_amd_cimx_wrapper_sb800_config */
+
+
+/*implement in mainboard.c*/
+//void set_pcie_assert(void);
+//void set_pcie_deassert(void);
+void set_pcie_reset(void);
+void set_pcie_dereset(void);
+
+
+#ifndef _RAMSTAGE_
+#define _RAMSTAGE_
+#endif
+static AMDSBCFG sb_late_cfg; //global, init in sb800_cimx_config
+static AMDSBCFG *sb_config = &sb_late_cfg;
+
+
+/**
+ * @brief Entry point of Southbridge CIMx callout
+ *
+ * prototype UINT32 (*SBCIM_HOOK_ENTRY)(UINT32 Param1, UINT32 Param2, void* pConfig)
+ *
+ * @param[in] func Southbridge CIMx Function ID.
+ * @param[in] data Southbridge Input Data.
+ * @param[in] sb_config Southbridge configuration structure pointer.
+ *
+ */
+u32 sb800_callout_entry(u32 func, u32 data, void* config)
+{
+ u32 ret = 0;
+
+ switch (func) {
+ case CB_SBGPP_RESET_ASSERT:
+ //set_pcie_assert();
+ set_pcie_reset();
+ break;
+
+ case CB_SBGPP_RESET_DEASSERT:
+ //set_pcie_deassert();
+ set_pcie_dereset();
+ break;
+
+ case IMC_FIRMWARE_FAIL:
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = 0,
+};
+
+static void lpc_enable_resources(device_t dev)
+{
+
+ pci_dev_enable_resources(dev);
+ //lpc_enable_childrens_resources(dev);
+}
+
+static void lpc_init(device_t dev)
+{
+ /* SB Configure HPET base and enable bit */
+ hpetInit(sb_config, &(sb_config->BuildParameters));
+}
+
+static struct device_operations lpc_ops = {
+ .read_resources = lpc_read_resources,
+ .set_resources = lpc_set_resources,
+ .enable_resources = lpc_enable_resources,
+ .init = lpc_init,
+ .scan_bus = scan_static_bus,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver lpc_driver __pci_driver = {
+ .ops = &lpc_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_LPC,
+};
+
+
+static void sata_enable_resources(struct device *dev)
+{
+ sataInitAfterPciEnum(sb_config);
+ pci_dev_enable_resources(dev);
+}
+
+static void sata_init(struct device *dev)
+{
+ sb_config->StdHeader.Func = SB_MID_POST_INIT;
+ AmdSbDispatcher(sb_config); //sataInitMidPost only
+ commonInitLateBoot(sb_config);
+ sataInitLatePost(sb_config);
+}
+
+static struct device_operations sata_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = sata_enable_resources, //pci_dev_enable_resources,
+ .init = sata_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver sata_driver __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_SATA, //SATA IDE Mode 4390
+};
+
+
+#if CONFIG_USBDEBUG
+static void usb_set_resources(struct device *dev)
+{
+ struct resource *res;
+ u32 base;
+ u32 old_debug;
+
+ old_debug = get_ehci_debug();
+ set_ehci_debug(0);
+
+ pci_dev_set_resources(dev);
+
+ res = find_resource(dev, 0x10);
+ set_ehci_debug(old_debug);
+ if (!res)
+ return;
+ base = res->base;
+ set_ehci_base(base);
+ report_resource_stored(dev, res, "");
+}
+#endif
+
+static void usb_init(struct device *dev)
+{
+ usbInitAfterPciInit(sb_config);
+ commonInitLateBoot(sb_config);
+}
+
+static struct device_operations usb_ops = {
+ .read_resources = pci_dev_read_resources,
+#if CONFIG_USBDEBUG
+ .set_resources = usb_set_resources,
+#else
+ .set_resources = pci_dev_set_resources,
+#endif
+ .enable_resources = pci_dev_enable_resources,
+ .init = usb_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+/*
+ * The pci id of usb ctrl 0 and 1 are the same.
+ */
+static const struct pci_driver usb_ohci123_driver __pci_driver = {
+ .ops = &usb_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_USB_18_0, /* OHCI-USB1, OHCI-USB2, OHCI-USB3 */
+};
+
+static const struct pci_driver usb_ehci123_driver __pci_driver = {
+ .ops = &usb_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_USB_18_2, /* EHCI-USB1, EHCI-USB2, EHCI-USB3 */
+};
+
+static const struct pci_driver usb_ohci4_driver __pci_driver = {
+ .ops = &usb_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_USB_20_5, /* OHCI-USB4 */
+};
+
+
+static void azalia_init(struct device *dev)
+{
+ azaliaInitAfterPciEnum(sb_config); //Detect and configure High Definition Audio
+}
+
+static struct device_operations azalia_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = azalia_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver azalia_driver __pci_driver = {
+ .ops = &azalia_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_HDA,
+};
+
+
+static void gec_init(struct device *dev)
+{
+ gecInitAfterPciEnum(sb_config);
+ gecInitLatePost(sb_config);
+ printk(BIOS_DEBUG, "gec hda enabled\n");
+}
+
+static struct device_operations gec_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = gec_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver gec_driver __pci_driver = {
+ .ops = &gec_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_GEC,
+};
+
+
+static void pcie_init(device_t dev)
+{
+ sbPcieGppLateInit(sb_config);
+}
+
+static struct device_operations pci_ops = {
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_bus_enable_resources,
+ .init = pcie_init,
+ .scan_bus = pci_scan_bridge,
+ .reset_bus = pci_bus_reset,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver pci_driver __pci_driver = {
+ .ops = &pci_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_PCI,
+};
+
+
+struct device_operations bridge_ops = {
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_bus_enable_resources,
+ .init = pcie_init,
+ .scan_bus = pci_scan_bridge,
+ .enable = 0,
+ .reset_bus = pci_bus_reset,
+ .ops_pci = &lops_pci,
+};
+
+/* 0:15:0 PCIe PortA */
+static const struct pci_driver PORTA_driver __pci_driver = {
+ .ops = &bridge_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_PCIEA,
+};
+
+/* 0:15:1 PCIe PortB */
+static const struct pci_driver PORTB_driver __pci_driver = {
+ .ops = &bridge_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_PCIEB,
+};
+
+/* 0:15:2 PCIe PortC */
+static const struct pci_driver PORTC_driver __pci_driver = {
+ .ops = &bridge_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_PCIEC,
+};
+
+/* 0:15:3 PCIe PortD */
+static const struct pci_driver PORTD_driver __pci_driver = {
+ .ops = &bridge_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB800_PCIED,
+};
+
+
+/**
+ * @brief SB Cimx entry point sbBeforePciInit wrapper
+ */
+static void sb800_enable(device_t dev)
+{
+ u8 gpp_port = 0;
+ struct southbridge_amd_cimx_wrapper_sb800_config *sb_chip =
+ (struct southbridge_amd_cimx_wrapper_sb800_config *)(dev->chip_info);
+
+ sb800_cimx_config(sb_config);
+ printk(BIOS_DEBUG, "sb800_enable() ");
+
+ /* Config SouthBridge SMBUS/ACPI/IDE/LPC/PCIB.*/
+ commonInitEarlyBoot(sb_config);
+ commonInitEarlyPost(sb_config);
+
+ switch (dev->path.pci.devfn) {
+ case (0x11 << 3) | 0: /* 0:11.0 SATA */
+ if (dev->enabled) {
+ sb_config->SATAMODE.SataMode.SataController = ENABLED;
+ if (1 == sb_chip->boot_switch_sata_ide)
+ sb_config->SATAMODE.SataMode.SataIdeCombMdPriSecOpt = 0; //0 -IDE as primary.
+ else if (0 == sb_chip->boot_switch_sata_ide)
+ sb_config->SATAMODE.SataMode.SataIdeCombMdPriSecOpt = 1; //1 -IDE as secondary.
+ } else {
+ sb_config->SATAMODE.SataMode.SataController = DISABLED;
+ }
+
+ sataInitBeforePciEnum(sb_config); // Init SATA class code and PHY
+ break;
+
+ case (0x12 << 3) | 0: /* 0:12:0 OHCI-USB1 */
+ case (0x12 << 3) | 2: /* 0:12:2 EHCI-USB1 */
+ case (0x13 << 3) | 0: /* 0:13:0 OHCI-USB2 */
+ case (0x13 << 3) | 2: /* 0:13:2 EHCI-USB2 */
+ case (0x14 << 3) | 5: /* 0:14:5 OHCI-USB4 */
+ case (0x16 << 3) | 0: /* 0:16:0 OHCI-USB3 */
+ case (0x16 << 3) | 2: /* 0:16:2 EHCI-USB3 */
+ usbInitBeforePciEnum(sb_config); // USB POST TIME Only
+ break;
+
+ case (0x14 << 3) | 0: /* 0:14:0 SMBUS */
+ break;
+
+ case (0x14 << 3) | 1: /* 0:14:1 IDE */
+ if (dev->enabled) {
+ sb_config->SATAMODE.SataMode.SataIdeCombinedMode = ENABLED;
+ } else {
+ sb_config->SATAMODE.SataMode.SataIdeCombinedMode = DISABLED;
+ }
+ sataInitBeforePciEnum(sb_config); // Init SATA class code and PHY
+ break;
+
+ case (0x14 << 3) | 2: /* 0:14:2 HDA */
+ if (dev->enabled) {
+ if (AZALIA_DISABLE == sb_config->AzaliaController) {
+ sb_config->AzaliaController = AZALIA_AUTO;
+ }
+ printk(BIOS_DEBUG, "hda enabled\n");
+ } else {
+ sb_config->AzaliaController = AZALIA_DISABLE;
+ printk(BIOS_DEBUG, "hda disabled\n");
+ }
+ azaliaInitBeforePciEnum(sb_config); // Detect and configure High Definition Audio
+ break;
+
+
+ case (0x14 << 3) | 3: /* 0:14:3 LPC */
+ break;
+
+ case (0x14 << 3) | 4: /* 0:14:4 PCI */
+ break;
+
+ case (0x14 << 3) | 6: /* 0:14:6 GEC */
+ if (dev->enabled) {
+ sb_config->GecConfig = 0;
+ printk(BIOS_DEBUG, "gec enabled\n");
+ } else {
+ sb_config->GecConfig = 1;
+ printk(BIOS_DEBUG, "gec disabled\n");
+ }
+ gecInitBeforePciEnum(sb_config); // Init GEC
+ break;
+
+ case (0x15 << 3) | 0: /* 0:15:0 PCIe PortA */
+ case (0x15 << 3) | 1: /* 0:15:1 PCIe PortB */
+ case (0x15 << 3) | 2: /* 0:15:2 PCIe PortC */
+ case (0x15 << 3) | 3: /* 0:15:3 PCIe PortD */
+ gpp_port = (dev->path.pci.devfn) & 0x03;
+ if (dev->enabled) {
+ sb_config->PORTCONFIG[gpp_port].PortCfg.PortPresent = ENABLED;
+ } else {
+ sb_config->PORTCONFIG[gpp_port].PortCfg.PortPresent = DISABLED;
+ }
+
+ /*
+ * GPP_CFGMODE_X4000: PortA Lanes[3:0]
+ * GPP_CFGMODE_X2200: PortA Lanes[1:0], PortB Lanes[3:2]
+ * GPP_CFGMODE_X2110: PortA Lanes[1:0], PortB Lane2, PortC Lane3
+ * GPP_CFGMODE_X1111: PortA Lanes0, PortB Lane1, PortC Lane2, PortD Lane3
+ */
+ if (sb_config->GppLinkConfig != sb_chip->gpp_configuration) {
+ sb_config->GppLinkConfig = sb_chip->gpp_configuration;
+ }
+
+ sbPcieGppEarlyInit(sb_config);
+ break;
+
+ default:
+ break;
+ }
+
+ /* Special setting ABCFG registers before PCI emulation. */
+ abSpecialSetBeforePciEnum(sb_config);
+ usbDesertPll(sb_config);
+ //sb_config->StdHeader.Func = SB_BEFORE_PCI_INIT;
+ //AmdSbDispatcher(sb_config);
+}
+
+struct chip_operations southbridge_amd_cimx_wrapper_sb800_ops = {
+ CHIP_NAME("ATI SB800")
+ .enable_dev = sb800_enable,
+};