diff options
Diffstat (limited to 'src/mainboard/tyan/s2882/auto.c')
| -rw-r--r-- | src/mainboard/tyan/s2882/auto.c | 104 |
1 files changed, 49 insertions, 55 deletions
diff --git a/src/mainboard/tyan/s2882/auto.c b/src/mainboard/tyan/s2882/auto.c index fe731c96ac..8989c3f79f 100644 --- a/src/mainboard/tyan/s2882/auto.c +++ b/src/mainboard/tyan/s2882/auto.c @@ -1,21 +1,43 @@ #define ASSEMBLY 1 #include <stdint.h> #include <device/pci_def.h> -#include <cpu/p6/apic.h> #include <arch/io.h> +#include <device/pnp_def.h> #include <arch/romcc_io.h> +#include <arch/smp/lapic.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "ram/ramtest.c" -#include "northbridge/amd/amdk8/early_ht.c" +#include "northbridge/amd/amdk8/incoherent_ht.c" #include "southbridge/amd/amd8111/amd8111_early_smbus.c" #include "northbridge/amd/amdk8/raminit.h" #include "cpu/k8/apic_timer.c" #include "lib/delay.c" #include "cpu/p6/boot_cpu.c" #include "northbridge/amd/amdk8/reset_test.c" -#include "debug.c" +#include "debug.c" #include "northbridge/amd/amdk8/cpu_rev.c" +#include "superio/winbond/w83627hf/w83627hf_early_serial.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) + +static void hard_reset(void) +{ + set_bios_reset(); + + /* enable cf9 */ + pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1); + /* reset */ + outb(0x0e, 0x0cf9); +} + +static void soft_reset(void) +{ + set_bios_reset(); + pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1); +} #define REV_B_RESET 0 static void memreset_setup(void) @@ -95,45 +117,10 @@ static inline int spd_read_byte(unsigned device, unsigned address) /* include mainboard specific ht code */ #include "hypertransport.c" -//#include "northbridge/amd/amdk8/cpu_ldtstop.c" -//#include "southbridge/amd/amd8111/amd8111_ldtstop.c" - #include "northbridge/amd/amdk8/raminit.c" #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" -static void enable_lapic(void) -{ - msr_t msr; - msr = rdmsr(0x1b); - msr.hi &= 0xffffff00; - msr.lo &= 0x000007ff; - msr.lo |= APIC_DEFAULT_BASE | (1 << 11); - wrmsr(0x1b, msr); -} - -static void stop_this_cpu(void) -{ - unsigned apicid; - apicid = apic_read(APIC_ID) >> 24; - - /* Send an APIC INIT to myself */ - apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid)); - apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT); - /* Wait for the ipi send to finish */ - apic_wait_icr_idle(); - - /* Deassert the APIC INIT */ - apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid)); - apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT); - /* Wait for the ipi send to finish */ - apic_wait_icr_idle(); - - /* If I haven't halted spin forever */ - for(;;) { - hlt(); - } -} #define FIRST_CPU 1 #define SECOND_CPU 1 #define TOTAL_CPUS (FIRST_CPU + SECOND_CPU) @@ -167,29 +154,36 @@ static void main(void) }, #endif }; - if (cpu_init_detected()) { - asm("jmp __cpu_reset"); - } - enable_lapic(); - init_timer(); - if (!boot_cpu() ) { - notify_bsp_ap_is_stopped(); - stop_this_cpu(); - } - uart_init(); - console_init(); - setup_default_resource_map(); - setup_coherent_ht_domain(); - enumerate_ht_chain(0); - distinguish_cpu_resets(0); - + + int needs_reset; + enable_lapic(); + init_timer(); + if (cpu_init_detected()) { + asm("jmp __cpu_reset"); + } + distinguish_cpu_resets(); + if (!boot_cpu()) { + stop_this_cpu(); + } + w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); + uart_init(); + console_init(); + setup_default_resource_map(); + needs_reset = setup_coherent_ht_domain(); + needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0x80); + if (needs_reset) { + print_info("ht reset -"); + soft_reset(); + } #if 0 print_pci_devices(); #endif enable_smbus(); #if 0 - dump_spd_registers(&cpu[0]); +// dump_spd_registers(&cpu[0]); + dump_smbus_registers(); #endif + memreset_setup(); sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); |