MCP55: Add TINY_BOOTBLOCK support.
[coreboot.git] / src / mainboard / gigabyte / m57sli / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2007 AMD
5  * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
20  */
21
22 #if CONFIG_K8_REV_F_SUPPORT == 1
23 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
24 #endif
25
26 #include <stdint.h>
27 #include <string.h>
28 #include <device/pci_def.h>
29 #include <device/pci_ids.h>
30 #include <arch/io.h>
31 #include <device/pnp_def.h>
32 #include <arch/romcc_io.h>
33 #include <cpu/x86/lapic.h>
34 #include <pc80/mc146818rtc.h>
35 #include <console/console.h>
36 #include <usbdebug.h>
37 #include <spd.h>
38 #include <cpu/amd/model_fxx_rev.h>
39 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
40 #include "northbridge/amd/amdk8/raminit.h"
41 #include "cpu/amd/model_fxx/apic_timer.c"
42 #include "lib/delay.c"
43 #include "cpu/x86/lapic/boot_cpu.c"
44 #include "northbridge/amd/amdk8/reset_test.c"
45 #include "superio/ite/it8716f/it8716f_early_serial.c"
46 #include "superio/ite/it8716f/it8716f_early_init.c"
47 #include "cpu/x86/bist.h"
48 #include "northbridge/amd/amdk8/debug.c"
49 #include "cpu/x86/mtrr/earlymtrr.c"
50 #include "northbridge/amd/amdk8/setup_resource_map.c"
51 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
52
53 #define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1)
54 #define GPIO_DEV PNP_DEV(0x2e, IT8716F_GPIO)
55
56 static void memreset(int controllers, const struct mem_controller *ctrl) { }
57 static void activate_spd_rom(const struct mem_controller *ctrl) { }
58
59 static inline int spd_read_byte(unsigned device, unsigned address)
60 {
61         return smbus_read_byte(device, address);
62 }
63
64 #define MCP55_MB_SETUP \
65         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x68,/* GPIO38 PCI_REQ3 */ \
66         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x68,/* GPIO39 PCI_GNT3 */ \
67         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x68,/* GPIO40 PCI_GNT2 */ \
68         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x68,/* GPIO41 PCI_REQ2 */ \
69         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
70         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
71
72 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
73 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
74 #include "northbridge/amd/amdk8/amdk8_f.h"
75 #include "northbridge/amd/amdk8/incoherent_ht.c"
76 #include "northbridge/amd/amdk8/coherent_ht.c"
77 #include "northbridge/amd/amdk8/raminit_f.c"
78 #include "lib/generic_sdram.c"
79 #include "resourcemap.c"
80 #include "cpu/amd/dualcore/dualcore.c"
81 #include "cpu/amd/car/post_cache_as_ram.c"
82 #include "cpu/amd/model_fxx/init_cpus.c"
83 #include "cpu/amd/model_fxx/fidvid.c"
84 #include "northbridge/amd/amdk8/early_ht.c"
85
86 static void sio_setup(void)
87 {
88         uint32_t dword;
89         uint8_t byte;
90
91         byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
92         byte |= 0x20;
93         pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
94
95         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
96         dword |= (1<<0);
97         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
98
99         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
100         dword |= (1<<16);
101         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
102 }
103
104 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
105 {
106         static const uint16_t spd_addr [] = {
107                 // Node 0
108                 DIMM0, DIMM2, 0, 0,
109                 DIMM1, DIMM3, 0, 0,
110                 // Node 1
111                 DIMM4, DIMM6, 0, 0,
112                 DIMM5, DIMM7, 0, 0,
113         };
114
115         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
116                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
117         int needs_reset = 0;
118         unsigned bsp_apicid = 0;
119         uint8_t tmp = 0;
120
121         if (!cpu_init_detectedx && boot_cpu()) {
122                 /* Nothing special needs to be done to find bus 0 */
123                 /* Allow the HT devices to be found */
124                 enumerate_ht_chain();
125                 sio_setup();
126         }
127
128         if (bist == 0)
129                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
130
131         pnp_enter_ext_func_mode(SERIAL_DEV);
132         /* The following line will set CLKIN to 24 MHz, external */
133         pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_CLOCKSEL, 0x11);
134         tmp = pnp_read_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP);
135         /* Is serial flash enabled? Then enable writing to serial flash. */
136         if (tmp & 0x0e) {
137                 pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP, tmp | 0x10);
138                 pnp_set_logical_device(GPIO_DEV);
139                 /* Set Serial Flash interface to 0x0820 */
140                 pnp_write_config(GPIO_DEV, 0x64, 0x08);
141                 pnp_write_config(GPIO_DEV, 0x65, 0x20);
142         }
143         it8716f_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
144         pnp_exit_ext_func_mode(SERIAL_DEV);
145
146         setup_mb_resource_map();
147
148         uart_init();
149
150         /* Halt if there was a built in self test failure */
151         report_bist_failure(bist);
152
153 #if CONFIG_USBDEBUG
154         mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
155         early_usbdebug_init();
156 #endif
157         console_init();
158         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
159
160         print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
161
162 #if CONFIG_MEM_TRAIN_SEQ == 1
163         set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
164 #endif
165         setup_coherent_ht_domain(); // routing table and start other core0
166
167         wait_all_core0_started();
168 #if CONFIG_LOGICAL_CPUS==1
169         // It is said that we should start core1 after all core0 launched
170         /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
171          * So here need to make sure last core0 is started, esp for two way system,
172          * (there may be apic id conflicts in that case)
173          */
174         start_other_cores();
175         wait_all_other_cores_started(bsp_apicid);
176 #endif
177
178         /* it will set up chains and store link pair for optimization later */
179         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
180
181 #if CONFIG_SET_FIDVID
182         {
183                 msr_t msr;
184                 msr=rdmsr(0xc0010042);
185                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
186         }
187         enable_fid_change();
188         enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
189         init_fidvid_bsp(bsp_apicid);
190         // show final fid and vid
191         {
192                 msr_t msr;
193                 msr=rdmsr(0xc0010042);
194                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
195         }
196 #endif
197
198         init_timer(); // Need to use TMICT to synconize FID/VID
199
200         needs_reset |= optimize_link_coherent_ht();
201         needs_reset |= optimize_link_incoherent_ht(sysinfo);
202         needs_reset |= mcp55_early_setup_x();
203
204         // fidvid change will issue one LDTSTOP and the HT change will be effective too
205         if (needs_reset) {
206                 print_info("ht reset -\n");
207                 soft_reset();
208         }
209         allow_all_aps_stop(bsp_apicid);
210
211         //It's the time to set ctrl in sysinfo now;
212         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
213
214         enable_smbus();
215
216         /* all ap stopped? */
217
218         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
219
220         post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
221 }