#define ASSEMBLY 1 #define __ROMCC__ #include #include #include #include #include #include #include #include "option_table.h" #include "pc80/mc146818rtc_early.c" #include "cpu/x86/lapic/boot_cpu.c" #include "northbridge/amd/amdk8/reset_test.c" #include "southbridge/nvidia/ck804/ck804_enable_rom.c" #include "northbridge/amd/amdk8/early_ht.c" #define post_code(x) outb(x, 0x80) #include "superio/smsc/lpc47b397/lpc47b397_early_serial.c" #include "superio/smsc/lpc47b397/lpc47b397_early_gpio.c" #define SUPERIO_GPIO_DEV PNP_DEV(0x2e, LPC47B397_RT) #define SUPERIO_GPIO_IO_BASE 0x400 static void sio_setup(void) { unsigned value; uint32_t dword; uint8_t byte; pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xac, 0x047f0400); byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b); byte |= 0x20; pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte); dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0); dword |= (1<<29)|(1<<0); pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword); dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xa4); dword |= (1<<16); pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4, dword); lpc47b397_enable_serial(SUPERIO_GPIO_DEV, SUPERIO_GPIO_IO_BASE); value = lpc47b397_gpio_offset_in(SUPERIO_GPIO_IO_BASE, 0x77); value &= 0xbf; lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x77, value); } void mainboard_bsp_init() { /* Nothing special needs to be done to find bus 0 */ /* Allow the HT devices to be found */ enumerate_ht_chain(); sio_setup(); /* Setup the ck804 */ ck804_enable_rom(); } void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { unsigned last_boot_normal_x = last_boot_normal(); /* Is this a cpu only reset? or Is this a secondary cpu? */ if ((cpu_init_detectedx) || (!boot_cpu())) { if (last_boot_normal_x) { goto normal_image; } else { goto fallback_image; } } mainboard_bsp_init(); /* Is this a deliberate reset by the bios */ post_code(0x22); if (bios_reset_detected() && last_boot_normal_x) { goto normal_image; } /* This is the primary cpu how should I boot? */ else if (do_normal_boot()) { goto normal_image; } else { goto fallback_image; } normal_image: post_code(0x23); __asm__ volatile ("jmp __normal_image" : /* outputs */ : "a" (bist), "b"(cpu_init_detectedx) /* inputs */ ); fallback_image: post_code(0x25); __asm__ volatile ("jmp __fallback_image" : /* outputs */ : "a" (bist), "b" (cpu_init_detectedx) /* inputs */ ); }