3 #include <device/pci_def.h>
5 #include <device/pnp_def.h>
6 #include <arch/romcc_io.h>
7 #include <cpu/x86/lapic.h>
8 #include <pc80/mc146818rtc.h>
9 #include <console/console.h>
11 #include <cpu/amd/model_fxx_rev.h>
12 #include "northbridge/amd/amdk8/incoherent_ht.c"
13 #include "southbridge/amd/amd8111/amd8111_early_smbus.c"
14 #include "northbridge/amd/amdk8/raminit.h"
15 #include "cpu/amd/model_fxx/apic_timer.c"
16 #include "lib/delay.c"
17 #include "cpu/x86/lapic/boot_cpu.c"
18 #include "northbridge/amd/amdk8/reset_test.c"
19 #include "northbridge/amd/amdk8/debug.c"
20 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
21 #include "cpu/x86/mtrr/earlymtrr.c"
22 #include "cpu/x86/bist.h"
23 #include "northbridge/amd/amdk8/setup_resource_map.c"
24 #include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
26 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
28 static void memreset_setup(void)
31 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=0
33 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1
34 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
37 static void memreset(int controllers, const struct mem_controller *ctrl)
39 if (is_cpu_pre_c0()) {
41 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
46 static inline void activate_spd_rom(const struct mem_controller *ctrl)
48 #define SMBUS_HUB 0x18
50 unsigned device=(ctrl->channel0[0])>>8;
51 /* the very first write always get COL_STS=1 and ABRT_STS=1, so try another time*/
54 ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
55 } while ((ret!=0) && (i-->0));
57 smbus_write_byte(SMBUS_HUB, 0x03, 0);
61 static inline void change_i2c_mux(unsigned device)
63 #define SMBUS_HUB 0x18
65 print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
68 ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
69 print_debug("change_i2c_mux 1 ret="); print_debug_hex32(ret); print_debug("\n");
70 } while ((ret!=0) && (i-->0));
71 ret = smbus_write_byte(SMBUS_HUB, 0x03, 0);
72 print_debug("change_i2c_mux 2 ret="); print_debug_hex32(ret); print_debug("\n");
76 static inline int spd_read_byte(unsigned device, unsigned address)
78 return smbus_read_byte(device, address);
81 #include "northbridge/amd/amdk8/raminit.c"
82 #include "northbridge/amd/amdk8/coherent_ht.c"
83 #include "lib/generic_sdram.c"
84 #include "resourcemap.c"
85 #include "cpu/amd/dualcore/dualcore.c"
87 #include "cpu/amd/car/post_cache_as_ram.c"
88 #include "cpu/amd/model_fxx/init_cpus.c"
89 #include "southbridge/amd/amd8111/amd8111_enable_rom.c"
90 #include "northbridge/amd/amdk8/early_ht.c"
92 #define RC0 ((1<<2)<<8)
93 #define RC1 ((1<<1)<<8)
94 #define RC2 ((1<<4)<<8)
95 #define RC3 ((1<<3)<<8)
97 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
99 static const uint16_t spd_addr [] = {
100 RC0|DIMM0, RC0|DIMM2, 0, 0,
101 RC0|DIMM1, RC0|DIMM3, 0, 0,
102 #if CONFIG_MAX_PHYSICAL_CPUS > 1
103 RC1|DIMM0, RC1|DIMM2, 0, 0,
104 RC1|DIMM1, RC1|DIMM3, 0, 0,
106 #if CONFIG_MAX_PHYSICAL_CPUS > 2
107 RC2|DIMM0, RC2|DIMM2, 0, 0,
108 RC2|DIMM1, RC2|DIMM3, 0, 0,
109 RC3|DIMM0, RC3|DIMM2, 0, 0,
110 RC3|DIMM1, RC3|DIMM3, 0, 0,
115 unsigned bsp_apicid = 0, nodes;
116 struct mem_controller ctrl[8];
118 if (!cpu_init_detectedx && boot_cpu()) {
119 /* Nothing special needs to be done to find bus 0 */
120 /* Allow the HT devices to be found */
121 enumerate_ht_chain();
122 amd8111_enable_rom();
126 bsp_apicid = init_cpus(cpu_init_detectedx);
128 w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
132 /* Halt if there was a built in self test failure */
133 report_bist_failure(bist);
135 setup_s4882_resource_map();
137 needs_reset = setup_coherent_ht_domain();
139 wait_all_core0_started();
140 #if CONFIG_LOGICAL_CPUS==1
141 // It is said that we should start core1 after all core0 launched
143 wait_all_other_cores_started(bsp_apicid);
146 // automatically set that for you, but you might meet tight space
147 needs_reset |= ht_setup_chains_x();
150 print_info("ht reset -\n");
154 allow_all_aps_stop(bsp_apicid);
157 //It's the time to set ctrl now;
158 fill_mem_ctrl(nodes, ctrl, spd_addr);
163 sdram_initialize(nodes, ctrl);