2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <device/pci_ids.h>
24 #include <arch/io.h> /* inl, outl */
25 #include <arch/romcc_io.h> /* device_t */
26 #include "SbPlatform.h"
28 #include <console/console.h>
29 #include <console/loglevel.h>
34 * @brief Get SouthBridge device number
35 * @param[in] bus target bus number
36 * @return southbridge device number
42 printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - Start.\n");
43 dev = PCI_DEV(bus, 0x14, 0);
45 dev = pci_locate_device_on_bus(
46 PCI_ID(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_ATI_SB900_SM),
50 printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - End.\n");
51 return (dev >> 15) & 0x1f;
56 * @brief South Bridge CIMx romstage entry,
57 * wrapper of sbPowerOnInit entry point.
59 void sb_poweron_init(void)
61 AMDSBCFG sb_early_cfg;
64 printk(BIOS_INFO, "SB900 - Early.c - sb_poweron_init - Start.\n");
66 //Enable/Disable PCI Bridge Device 14 Function 4.
70 if(!CONFIG_PCIB_ENABLE) {
75 SbPowerOnInit_Config(&sb_early_cfg);
76 //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
77 //AmdSbDispatcher(&sb_early_cfg);
79 //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
80 // VerifyImage() will fail, LocateImage() take minitues to find the image.
81 sbPowerOnInit(&sb_early_cfg);
82 printk(BIOS_INFO, "SB900 - Early.c - sb_poweron_init - End.\n");
86 * @brief South Bridge CIMx romstage entry,
87 * wrapper of sbPowerOnInit entry point.
89 void sb_before_pci_init(void)
91 AMDSBCFG sb_early_cfg;
93 printk(BIOS_INFO, "SB900 - Early.c - sb_before_pci_init - Start.\n");
94 sb900_cimx_config(&sb_early_cfg);
95 //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
96 //AmdSbDispatcher(&sb_early_cfg);
98 //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
99 // VerifyImage() will fail, LocateImage() take minitues to find the image.
100 sbBeforePciInit(&sb_early_cfg);
101 printk(BIOS_INFO, "SB900 - Early.c - sb_before_pci_init - End.\n");
104 void sb_After_Pci_Init(void)
106 AMDSBCFG sb_early_cfg;
108 printk(BIOS_INFO, "SB900 - Early.c - sb_After_Pci_Init - Start.\n");
109 sb900_cimx_config(&sb_early_cfg);
110 //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
111 //AmdSbDispatcher(&sb_early_cfg);
113 //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
114 // VerifyImage() will fail, LocateImage() take minitues to find the image.
115 sbAfterPciInit(&sb_early_cfg);
116 printk(BIOS_INFO, "SB900 - Early.c - sb_After_Pci_Init - End.\n");
119 void sb_Mid_Post_Init(void)
121 AMDSBCFG sb_early_cfg;
123 printk(BIOS_INFO, "SB900 - Early.c - sb_Mid_Post_Init - Start.\n");
124 sb900_cimx_config(&sb_early_cfg);
125 //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
126 //AmdSbDispatcher(&sb_early_cfg);
128 //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
129 // VerifyImage() will fail, LocateImage() take minitues to find the image.
130 sbMidPostInit(&sb_early_cfg);
131 printk(BIOS_INFO, "SB900 - Early.c - sb_Mid_Post_Init - End.\n");
134 void sb_Late_Post(void)
136 AMDSBCFG sb_early_cfg;
139 printk(BIOS_INFO, "SB900 - Early.c - sb_Late_Post - Start.\n");
140 sb900_cimx_config(&sb_early_cfg);
141 //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
142 //AmdSbDispatcher(&sb_early_cfg);
144 //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
145 // VerifyImage() will fail, LocateImage() take minitues to find the image.
146 sbLatePost(&sb_early_cfg);
148 //Set ACPI SCI IRQ to 0x9.
149 data = CONFIG_ACPI_SCI_IRQ;
157 data |= (1 << (CONFIG_ACPI_SCI_IRQ - 8));
161 data |= (1 << (CONFIG_ACPI_SCI_IRQ));
165 printk(BIOS_INFO, "SB900 - Early.c - sb_Late_Post - End.\n");