#define ASSEMBLY 1 #include #include #include #if 0 #include #endif #include #include #include #include #include #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "lib/ramtest.c" #include "northbridge/via/vt8623/raminit.h" #include "cpu/x86/mtrr/earlymtrr.c" #include "cpu/x86/bist.h" /* */ void udelay(int usecs) { int i; for(i = 0; i < usecs; i++) outb(i&0xff, 0x80); } #include "lib/delay.c" #include "cpu/x86/lapic/boot_cpu.c" #include "lib/debug.c" #include "southbridge/via/vt8235/vt8235_early_smbus.c" #include "southbridge/via/vt8235/vt8235_early_serial.c" static void memreset_setup(void) { } static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } #include "northbridge/via/vt8623/raminit.c" static void enable_mainboard_devices(void) { device_t dev; dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235), 0); if (dev == PCI_DEV_INVALID) { die("Southbridge not found!!!\n"); } pci_write_config8(dev, 0x50, 0x80); pci_write_config8(dev, 0x51, 0x1f); #if 0 // This early setup switches IDE into compatibility mode before PCI gets // a chance to assign I/Os // movl $CONFIG_ADDR(0, 0x89, 0x42), %eax // // movb $0x09, %dl // movb $0x00, %dl // PCI_WRITE_CONFIG_BYTE #endif /* we do this here as in V2, we can not yet do raw operations * to pci! */ dev += 0x100; /* ICKY */ pci_write_config8(dev, 0x04, 7); pci_write_config8(dev, 0x40, 3); pci_write_config8(dev, 0x42, 0); pci_write_config8(dev, 0x3c, 0xe); pci_write_config8(dev, 0x3d, 0); } static void enable_shadow_ram(void) { device_t dev = 0; /* no need to look up 0:0.0 */ unsigned char shadowreg; /* dev 0 for southbridge */ shadowreg = pci_read_config8(dev, 0x63); /* 0xf0000-0xfffff */ shadowreg |= 0x30; pci_write_config8(dev, 0x63, shadowreg); } static void main(unsigned long bist) { unsigned long x; device_t dev; /* * Enable VGA; 32MB buffer. */ pci_write_config8(0, 0xe1, 0xdd); /* * Disable the firewire stuff, which apparently steps on IO 0+ on * reset. Doh! */ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_6305), 0); if (dev != PCI_DEV_INVALID) { pci_write_config8(dev, 0x15, 0x1c); } enable_vt8235_serial(); uart_init(); console_init(); enable_smbus(); print_spew("In auto.c:main()\r\n"); /* Halt if there was a built in self test failure */ report_bist_failure(bist); // init_timer(); outb(5, 0x80); print_debug(" Enabling mainboard devices\r\n"); enable_mainboard_devices(); print_debug(" Enabling shadow ram\r\n"); enable_shadow_ram(); ddr_ram_setup((const struct mem_controller *)0); /* Check all of memory */ #if 0 ram_check(0x00000000, msr.lo); #endif #if 0 static const struct { unsigned long lo, hi; } check_addrs[] = { /* Check 16MB of memory @ 0*/ { 0x00000000, 0x01000000 }, #if TOTAL_CPUS > 1 /* Check 16MB of memory @ 2GB */ { 0x80000000, 0x81000000 }, #endif }; int i; for(i = 0; i < ARRAY_SIZE(check_addrs); i++) { ram_check(check_addrs[i].lo, check_addrs[i].hi); } #endif if (bist == 0) { print_debug(" Doing MTRR init.\r\n"); early_mtrr_init(); } //dump_pci_devices(); print_spew("Leaving auto.c:main()\r\n"); }