diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2010-02-08 12:20:50 +0000 |
---|---|---|
committer | Stefan Reinauer <stepan@openbios.org> | 2010-02-08 12:20:50 +0000 |
commit | 38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0 (patch) | |
tree | ecb680abac7c73798a4abf5f5733c6ad3e179bb4 /src/mainboard/amd/serengeti_cheetah/romstage.c | |
parent | d51eddbb6611965165ad72eb3fb04377a51ab64a (diff) | |
download | coreboot-38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0.tar.xz |
janitor task: unify and cleanup naming.
cache_as_ram_auto.c and auto.c are both called "romstage.c" now.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5092 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah/romstage.c')
-rw-r--r-- | src/mainboard/amd/serengeti_cheetah/romstage.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah/romstage.c b/src/mainboard/amd/serengeti_cheetah/romstage.c new file mode 100644 index 0000000000..2626f8012a --- /dev/null +++ b/src/mainboard/amd/serengeti_cheetah/romstage.c @@ -0,0 +1,399 @@ +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#define RAMINIT_SYSINFO 1 +#define CACHE_AS_RAM_ADDRESS_DEBUG 0 + +#define SET_NB_CFG_54 1 + +//used by raminit +#define QRANK_DIMM_SUPPORT 1 + +//used by incoherent_ht +//#define K8_ALLOCATE_IO_RANGE 1 + +//used by init_cpus and fidvid +#define K8_SET_FIDVID 0 +//if we want to wait for core1 done before DQS training, set it to 0 +#define K8_SET_FIDVID_CORE0_ONLY 1 + +#if CONFIG_K8_REV_F_SUPPORT == 1 +#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0 +#endif + +#include <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <cpu/x86/lapic.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" + + +#if 0 +static void post_code(uint8_t value) { +#if 1 + int i; + for(i=0;i<0x80000;i++) { + outb(value, 0x80); + } +#endif +} +#endif +#if CONFIG_USE_FAILOVER_IMAGE==0 +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include <cpu/amd/model_fxx_rev.h> +#include "southbridge/amd/amd8111/amd8111_early_smbus.c" +#include "northbridge/amd/amdk8/raminit.h" +#include "cpu/amd/model_fxx/apic_timer.c" +#endif + + + +#include "cpu/x86/lapic/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" + +#if CONFIG_USE_FAILOVER_IMAGE==0 +#include "cpu/x86/bist.h" + +#include "lib/delay.c" + +#include "northbridge/amd/amdk8/debug.c" +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "superio/winbond/w83627hf/w83627hf_early_serial.c" + +#include "northbridge/amd/amdk8/setup_resource_map.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) + +#include "southbridge/amd/amd8111/amd8111_early_ctrl.c" + +static void memreset_setup(void) +{ + //GPIO on amd8111 to enable MEMRST ???? + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1 + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ +#define SMBUS_HUB 0x18 + int ret,i; + unsigned device=(ctrl->channel0[0])>>8; + /* the very first write always get COL_STS=1 and ABRT_STS=1, so try another time*/ + i=2; + do { + ret = smbus_write_byte(SMBUS_HUB, 0x01, device); + } while ((ret!=0) && (i-->0)); + + smbus_write_byte(SMBUS_HUB, 0x03, 0); +} +#if 0 +static inline void change_i2c_mux(unsigned device) +{ +#define SMBUS_HUB 0x18 + int ret, i; + print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\r\n"); + i=2; + do { + ret = smbus_write_byte(SMBUS_HUB, 0x01, device); + print_debug("change_i2c_mux 1 ret="); print_debug_hex32(ret); print_debug("\r\n"); + } while ((ret!=0) && (i-->0)); + ret = smbus_write_byte(SMBUS_HUB, 0x03, 0); + print_debug("change_i2c_mux 2 ret="); print_debug_hex32(ret); print_debug("\r\n"); +} +#endif + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/amd/amdk8/amdk8.h" +#include "northbridge/amd/amdk8/coherent_ht.c" + +#include "northbridge/amd/amdk8/incoherent_ht.c" + +#include "northbridge/amd/amdk8/raminit_f.c" + +#include "lib/generic_sdram.c" + + /* tyan does not want the default */ +#include "resourcemap.c" + +#include "cpu/amd/dualcore/dualcore.c" + +#define RC0 ((1<<0)<<8) +#define RC1 ((1<<1)<<8) +#define RC2 ((1<<2)<<8) +#define RC3 ((1<<3)<<8) + +#define DIMM0 0x50 +#define DIMM1 0x51 +#define DIMM2 0x52 +#define DIMM3 0x53 +#define DIMM4 0x54 +#define DIMM5 0x55 +#define DIMM6 0x56 +#define DIMM7 0x57 + + +#include "cpu/amd/car/copy_and_run.c" +#include "cpu/amd/car/post_cache_as_ram.c" + +#include "cpu/amd/model_fxx/init_cpus.c" + +#include "cpu/amd/model_fxx/fidvid.c" +#endif + +#if ((CONFIG_HAVE_FAILOVER_BOOT==1) && (CONFIG_USE_FAILOVER_IMAGE == 1)) || ((CONFIG_HAVE_FAILOVER_BOOT==0) && (CONFIG_USE_FALLBACK_IMAGE == 1)) + +#include "southbridge/amd/amd8111/amd8111_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" + +void failover_process(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; + } + } + + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + + enumerate_ht_chain(); + + /* Setup the rom access for 4M */ + amd8111_enable_rom(); + + /* Is this a deliberate reset by the bios */ + 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: + __asm__ volatile ("jmp __normal_image" + : /* outputs */ + : "a" (bist), "b" (cpu_init_detectedx) /* inputs */ + ); + + fallback_image: +#if CONFIG_HAVE_FAILOVER_BOOT==1 + __asm__ volatile ("jmp __fallback_image" + : /* outputs */ + : "a" (bist), "b" (cpu_init_detectedx) /* inputs */ + ) +#endif + ; +} +#endif + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx); + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ +#if CONFIG_HAVE_FAILOVER_BOOT==1 + #if CONFIG_USE_FAILOVER_IMAGE==1 + failover_process(bist, cpu_init_detectedx); + #else + real_main(bist, cpu_init_detectedx); + #endif +#else + #if CONFIG_USE_FALLBACK_IMAGE == 1 + failover_process(bist, cpu_init_detectedx); + #endif + real_main(bist, cpu_init_detectedx); +#endif +} + +#if CONFIG_USE_FAILOVER_IMAGE==0 + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const uint16_t spd_addr[] = { + //first node + RC0|DIMM0, RC0|DIMM2, 0, 0, + RC0|DIMM1, RC0|DIMM3, 0, 0, +#if CONFIG_MAX_PHYSICAL_CPUS > 1 + //second node + RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6, + RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7, +#endif +#if CONFIG_MAX_PHYSICAL_CPUS > 2 + // third node + RC2|DIMM0, RC2|DIMM2, 0, 0, + RC2|DIMM1, RC2|DIMM3, 0, 0, + // four node + RC3|DIMM0, RC3|DIMM2, RC3|DIMM4, RC3|DIMM6, + RC3|DIMM1, RC3|DIMM3, RC3|DIMM5, RC3|DIMM7, +#endif + + }; + + struct sys_info *sysinfo = (void*)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + + int needs_reset; + unsigned bsp_apicid = 0; +#if K8_SET_FIDVID == 1 + struct cpuid_result cpuid1; +#endif + + if (bist == 0) { + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + } + +// post_code(0x32); + + w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + uart_init(); + console_init(); + +// dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + print_debug("*sysinfo range: ["); print_debug_hex32(sysinfo); print_debug(","); print_debug_hex32((unsigned long)sysinfo+sizeof(struct sys_info)); print_debug(")\r\n"); + + setup_mb_resource_map(); +#if 0 + dump_pci_device(PCI_DEV(0, 0x18, 0)); + dump_pci_device(PCI_DEV(0, 0x19, 0)); +#endif + + print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\r\n"); + +#if CONFIG_MEM_TRAIN_SEQ == 1 + set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram +#endif + setup_coherent_ht_domain(); // routing table and start other core0 + + wait_all_core0_started(); +#if CONFIG_LOGICAL_CPUS==1 + // It is said that we should start core1 after all core0 launched + /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain, + * So here need to make sure last core0 is started, esp for two way system, + * (there may be apic id conflicts in that case) + */ + start_other_cores(); + wait_all_other_cores_started(bsp_apicid); +#endif + + /* it will set up chains and store link pair for optimization later */ + ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn + +#if 0 + //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time. + needs_reset = optimize_link_coherent_ht(); + needs_reset |= optimize_link_incoherent_ht(sysinfo); +#endif + +#if K8_SET_FIDVID == 1 + /* Check to see if processor is capable of changing FIDVID */ + /* otherwise it will throw a GP# when reading FIDVID_STATUS */ + cpuid1 = cpuid(0x80000007); + if( (cpuid1.edx & 0x6) == 0x6 ) { + + { + /* Read FIDVID_STATUS */ + msr_t msr; + msr=rdmsr(0xc0010042); + print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n"); + + } + + enable_fid_change(); + + enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); + + init_fidvid_bsp(bsp_apicid); + + // show final fid and vid + { + msr_t msr; + msr=rdmsr(0xc0010042); + print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n"); + + } + + } else { + print_debug("Changing FIDVID not supported\n"); + } + +#endif + +#if 1 + needs_reset = optimize_link_coherent_ht(); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + + // fidvid change will issue one LDTSTOP and the HT change will be effective too + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset_x(sysinfo->sbbusn, sysinfo->sbdn); + } +#endif + allow_all_aps_stop(bsp_apicid); + + //It's the time to set ctrl in sysinfo now; + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + + enable_smbus(); + +#if 0 + int i; + for(i=0;i<4;i++) { + activate_spd_rom(&cpu[i]); + dump_smbus_registers(); + } +#endif + +#if 0 + for(i=1;i<256;i<<=1) { + change_i2c_mux(i); + dump_smbus_registers(); + } +#endif + + memreset_setup(); + + //do we need apci timer, tsc...., only debug need it for better output + /* all ap stopped? */ +// init_timer(); // Need to use TMICT to synconize FID/VID + + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + +#if 0 + print_pci_devices(); +#endif + +#if 0 +// dump_pci_devices(); + dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98); + dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98); +#endif + + post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now + +} +#endif |