2 #include <device/pci_def.h>
4 #include <device/pnp_def.h>
5 #include <arch/romcc_io.h>
8 #include <console/console.h>
9 #include "northbridge/via/vt8601/raminit.h"
10 #include "cpu/x86/mtrr/earlymtrr.c"
11 #include "cpu/x86/bist.h"
12 #include "pc80/udelay_io.c"
13 #include "lib/delay.c"
14 #include "lib/debug.c"
15 #include "southbridge/via/vt8231/vt8231_early_smbus.c"
16 #include "southbridge/via/vt8231/vt8231_early_serial.c"
17 #include "southbridge/via/vt8231/vt8231_enable_rom.c"
19 static inline int spd_read_byte(unsigned device, unsigned address)
21 return smbus_read_byte(device, address);
24 #include "northbridge/via/vt8601/raminit.c"
26 static void enable_mainboard_devices(void)
29 /* dev 0 for southbridge */
31 dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
33 if (dev == PCI_DEV_INVALID)
34 die("Southbridge not found!!!\n");
36 pci_write_config8(dev, 0x50, 7);
37 pci_write_config8(dev, 0x51, 0xff);
39 // This early setup switches IDE into compatibility mode before PCI gets
40 // a chance to assign I/Os
41 // movl $CONFIG_ADDR(0, 0x89, 0x42), %eax
44 // PCI_WRITE_CONFIG_BYTE
47 /* we do this here as in V2, we can not yet do raw operations
50 /* changed this to work correctly on later revisions of LB.
51 * The original dev += 0x100; stopped working. It also appears
52 * that if this is not set here, but in ide_init() only, the IDE
53 * does not work at all. I assume it needs to be set before something else,
54 * possibly before enabling the IDE peripheral, or it is a timing issue.
55 * Ben Hewson 29 Apr 2007.
58 dev = pci_locate_device(PCI_ID(0x1106,0x0571), 0);
59 pci_write_config8(dev, 0x42, 0);
62 static void enable_shadow_ram(void)
65 unsigned char shadowreg;
67 shadowreg = pci_read_config8(dev, 0x63);
70 pci_write_config8(dev, 0x63, shadowreg);
73 static void main(unsigned long bist)
78 enable_vt8231_serial();
82 /* Halt if there was a built in self test failure */
83 report_bist_failure(bist);
86 enable_mainboard_devices();
91 this is way more generic than we need.
92 sdram_initialize(ARRAY_SIZE(cpu), cpu);
94 sdram_set_registers((const struct mem_controller *) 0);
95 sdram_set_spd_registers((const struct mem_controller *) 0);
96 sdram_enable(0, (const struct mem_controller *) 0);