2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 AMD
5 * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
6 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 // #define CACHE_AS_RAM_ADDRESS_DEBUG 1
27 // #define DEBUG_SMBUS 1
28 // #define RAM_TIMING_DEBUG 1
29 // #define DQS_TRAIN_DEBUG 1
30 // #define RES_DEBUG 1
32 #define RAMINIT_SYSINFO 1
33 #define K8_ALLOCATE_IO_RANGE 1
34 // #define K8_SCAN_PCI_BUS 1 /* ? */
35 #define QRANK_DIMM_SUPPORT 1
36 #if CONFIG_LOGICAL_CPUS == 1
37 #define SET_NB_CFG_54 1
40 /* Used by init_cpus and fidvid. */
41 #define K8_SET_FIDVID 1
43 /* If we want to wait for core1 done before DQS training, set it to 0. */
44 #define K8_SET_FIDVID_CORE0_ONLY 1
46 #if CONFIG_K8_REV_F_SUPPORT == 1
47 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
50 #define DBGP_DEFAULT 7
54 #include <device/pci_def.h>
55 #include <device/pci_ids.h>
57 #include <device/pnp_def.h>
58 #include <arch/romcc_io.h>
59 #include <cpu/x86/lapic.h>
60 #include "option_table.h"
61 #include "pc80/mc146818rtc_early.c"
63 #if CONFIG_USE_FAILOVER_IMAGE == 0
65 #include "pc80/serial.c"
66 #include "arch/i386/lib/console.c"
67 #if CONFIG_USBDEBUG_DIRECT
68 #include "southbridge/nvidia/mcp55/mcp55_enable_usbdebug_direct.c"
69 #include "pc80/usbdebug_direct_serial.c"
71 #include "lib/ramtest.c"
72 #include <cpu/amd/model_fxx_rev.h>
73 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
74 #include "northbridge/amd/amdk8/raminit.h"
75 #include "cpu/amd/model_fxx/apic_timer.c"
76 #include "lib/delay.c"
80 #include "cpu/x86/lapic/boot_cpu.c"
81 #include "northbridge/amd/amdk8/reset_test.c"
82 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
83 #include "superio/winbond/w83627ehg/w83627ehg_early_init.c"
85 #if CONFIG_USE_FAILOVER_IMAGE == 0
87 #include "cpu/x86/bist.h"
88 #include "northbridge/amd/amdk8/debug.c"
89 #include "cpu/amd/mtrr/amd_earlymtrr.c"
90 #include "northbridge/amd/amdk8/setup_resource_map.c"
92 /* Yes, on the MSI K9N Neo (MS-7260) the Super I/O is at 0x4e! */
93 #define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1)
95 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
97 static void memreset_setup(void) {}
98 static void memreset(int controllers, const struct mem_controller *ctrl) {}
99 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
101 static inline int spd_read_byte(unsigned int device, unsigned int address)
103 return smbus_read_byte(device, address);
106 #include "northbridge/amd/amdk8/amdk8_f.h"
107 #include "northbridge/amd/amdk8/coherent_ht.c"
108 #include "northbridge/amd/amdk8/incoherent_ht.c"
109 #include "northbridge/amd/amdk8/raminit_f.c"
110 #include "lib/generic_sdram.c"
111 #include "resourcemap.c"
112 #include "cpu/amd/dualcore/dualcore.c"
115 #define MCP55_USE_NIC 1
116 #define MCP55_USE_AZA 1
117 #define MCP55_PCI_E_X_0 0
119 #define MCP55_MB_SETUP \
120 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
121 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
122 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
123 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
124 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
125 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
127 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
128 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
129 #include "cpu/amd/car/copy_and_run.c"
130 #include "cpu/amd/car/post_cache_as_ram.c"
131 #include "cpu/amd/model_fxx/init_cpus.c"
132 #include "cpu/amd/model_fxx/fidvid.c"
136 #if ((CONFIG_HAVE_FAILOVER_BOOT==1) && (CONFIG_USE_FAILOVER_IMAGE == 1)) || ((CONFIG_HAVE_FAILOVER_BOOT==0) && (CONFIG_USE_FALLBACK_IMAGE == 1))
138 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
139 #include "northbridge/amd/amdk8/early_ht.c"
141 static void sio_setup(void)
146 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
148 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
150 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
152 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
154 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
156 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
159 void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
161 unsigned int last_boot_normal_x = last_boot_normal();
163 /* Is this a CPU only reset? Or is this a secondary CPU? */
164 if ((cpu_init_detectedx) || (!boot_cpu())) {
165 if (last_boot_normal_x)
171 /* Nothing special needs to be done to find bus 0. */
172 /* Allow the HT devices to be found. */
173 enumerate_ht_chain();
177 /* Setup the MCP55. */
180 /* Is this a deliberate reset by the BIOS? */
181 if (bios_reset_detected() && last_boot_normal_x) {
184 /* This is the primary CPU. How should I boot? */
185 else if (do_normal_boot()) {
192 __asm__ volatile ("jmp __normal_image":
193 :"a" (bist), "b"(cpu_init_detectedx)
197 #if CONFIG_HAVE_FAILOVER_BOOT==1
198 __asm__ volatile ("jmp __fallback_image":
199 :"a" (bist), "b"(cpu_init_detectedx)
206 void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
208 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
210 #if CONFIG_HAVE_FAILOVER_BOOT == 1
211 #if CONFIG_USE_FAILOVER_IMAGE == 1
212 failover_process(bist, cpu_init_detectedx);
214 real_main(bist, cpu_init_detectedx);
217 #if CONFIG_USE_FALLBACK_IMAGE == 1
218 failover_process(bist, cpu_init_detectedx);
220 real_main(bist, cpu_init_detectedx);
224 #if CONFIG_USE_FAILOVER_IMAGE == 0
226 void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
228 static const uint16_t spd_addr[] = {
229 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
230 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
231 #if CONFIG_MAX_PHYSICAL_CPUS > 1
232 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
233 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
237 struct sys_info *sysinfo =
238 (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
240 unsigned bsp_apicid = 0;
243 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
245 /* FIXME: This should be part of the Super I/O code/config. */
246 pnp_enter_ext_func_mode(SERIAL_DEV);
247 /* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */
248 pnp_write_config(SERIAL_DEV, 0x24, 0);
249 w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
250 pnp_exit_ext_func_mode(SERIAL_DEV);
252 setup_mb_resource_map();
254 report_bist_failure(bist); /* Halt upon BIST failure. */
255 #if CONFIG_USBDEBUG_DIRECT
256 mcp55_enable_usbdebug_direct(DBGP_DEFAULT);
257 early_usbdebug_direct_init();
261 print_debug("*sysinfo range: [");
262 print_debug_hex32(sysinfo);
264 print_debug_hex32((unsigned long)sysinfo + sizeof(struct sys_info));
265 print_debug(")\r\n");
267 print_debug("bsp_apicid=");
268 print_debug_hex8(bsp_apicid);
271 #if CONFIG_MEM_TRAIN_SEQ == 1
272 /* In BSP so could hold all AP until sysinfo is in RAM. */
273 set_sysinfo_in_ram(0);
276 setup_coherent_ht_domain(); /* Routing table and start other core0. */
277 wait_all_core0_started();
279 #if CONFIG_LOGICAL_CPUS == 1
280 /* It is said that we should start core1 after all core0 launched
281 * becase optimize_link_coherent_ht is moved out from
282 * setup_coherent_ht_domain, so here need to make sure last core0 is
283 * started, esp for two way system (there may be APIC ID conflicts in
287 wait_all_other_cores_started(bsp_apicid);
290 /* Set up chains and store link pair for optimization later. */
291 ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
293 #if K8_SET_FIDVID == 1
295 msr_t msr = rdmsr(0xc0010042);
296 print_debug("begin msr fid, vid ");
297 print_debug_hex32(msr.hi);
298 print_debug_hex32(msr.lo);
303 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
304 init_fidvid_bsp(bsp_apicid);
307 msr_t msr = rdmsr(0xc0010042);
308 print_debug("end msr fid, vid ");
309 print_debug_hex32(msr.hi);
310 print_debug_hex32(msr.lo);
315 needs_reset |= optimize_link_coherent_ht();
316 needs_reset |= optimize_link_incoherent_ht(sysinfo);
317 needs_reset |= mcp55_early_setup_x();
319 /* fidvid change will issue one LDTSTOP and the HT change will be effective too. */
321 print_info("ht reset -\r\n");
324 allow_all_aps_stop(bsp_apicid);
326 /* It's the time to set ctrl in sysinfo now. */
327 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
333 /* Do we need apci timer, tsc...., only debug need it for better output */
334 /* All AP stopped? */
335 // init_timer(); /* Need to use TMICT to synconize FID/VID. */
337 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
339 /* bsp switch stack to RAM and copy sysinfo RAM now. */