4 #include <device/pci_def.h>
6 #include <device/pnp_def.h>
7 #include <arch/romcc_io.h>
10 #include "pc80/serial.c"
11 #include "arch/i386/lib/console.c"
12 #include "ram/ramtest.c"
13 #include "northbridge/via/vt8601/raminit.h"
14 #include "cpu/x86/mtrr/earlymtrr.c"
15 #include "cpu/x86/bist.h"
19 void udelay(int usecs)
22 for (i = 0; i < usecs; i++)
26 #include "lib/delay.c"
27 #include "cpu/x86/lapic/boot_cpu.c"
30 #include "southbridge/via/vt8231/vt8231_early_smbus.c"
31 #include "southbridge/via/vt8231/vt8231_early_serial.c"
33 static inline int spd_read_byte(unsigned device, unsigned address)
35 return smbus_read_byte(device, address);
38 #include "northbridge/via/vt8601/raminit.c"
40 #include "sdram/generic_sdram.c"
43 static void enable_mainboard_devices(void)
46 /* dev 0 for southbridge */
48 dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
50 if (dev == PCI_DEV_INVALID) {
51 die("Southbridge not found!!!\n");
54 pci_write_config8(dev, 0x50, 7);
55 pci_write_config8(dev, 0x51, 0xff);
57 // This early setup switches IDE into compatibility mode before PCI gets
58 // // a chance to assign I/Os
59 // movl $CONFIG_ADDR(0, 0x89, 0x42), %eax
62 // PCI_WRITE_CONFIG_BYTE
65 /* we do this here as in V2, we can not yet do raw operations
68 /* changed this to work correctly on later revisions of LB.
69 * The original dev += 0x100; stopped working. It also appears
70 * that if this is not set here, but in ide_init() only, the IDE
71 * does not work at all. I assume it needs to be set before something else,
72 * possibly before enabling the IDE peripheral, or it is a timing issue.
73 * Ben Hewson 29 Apr 2007.
76 dev = pci_locate_device(PCI_ID(0x1106,0x0571), 0);
77 pci_write_config8(dev, 0x42, 0);
80 static void enable_shadow_ram(void)
83 unsigned char shadowreg;
85 shadowreg = pci_read_config8(dev, 0x63);
88 pci_write_config8(dev, 0x63, shadowreg);
91 static void main(unsigned long bist)
98 enable_vt8231_serial();
102 /* Halt if there was a built in self test failure */
103 report_bist_failure(bist);
105 enable_mainboard_devices();
110 this is way more generic than we need.
111 sdram_initialize(ARRAY_SIZE(cpu), cpu);
113 sdram_set_registers((const struct mem_controller *) 0);
114 sdram_set_spd_registers((const struct mem_controller *) 0);
115 sdram_enable(0, (const struct mem_controller *) 0);
117 /* Check all of memory */
119 ram_check(0x00000000, msr.lo);
122 static const struct {
123 unsigned long lo, hi;
125 /* Check 16MB of memory @ 0*/
126 { 0x00000000, 0x01000000 },
128 /* Check 16MB of memory @ 2GB */
129 { 0x80000000, 0x81000000 },
133 for(i = 0; i < ARRAY_SIZE(check_addrs); i++) {
134 ram_check(check_addrs[i].lo, check_addrs[i].hi);