AMD Rev F support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2435 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/amd/serengeti_cheetah/cache_as_ram_auto.c b/src/mainboard/amd/serengeti_cheetah/cache_as_ram_auto.c
new file mode 100644
index 0000000..c338704
--- /dev/null
+++ b/src/mainboard/amd/serengeti_cheetah/cache_as_ram_auto.c
@@ -0,0 +1,395 @@
+#define ASSEMBLY 1
+#define __ROMCC__
+
+#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_SCAN_PCI_BUS 1
+//#define K8_ALLOCATE_IO_RANGE 1
+
+
+//used by init_cpus and fidvid
+#define K8_SET_FIDVID 1
+//if we want to wait for core1 done before DQS training, set it to 0
+#define K8_SET_FIDVID_CORE0_ONLY 1
+
+//0: three for in bsp, only this one support F0_F1 workaround
+//1: on every core0
+//2: one for on bsp
+//#define MEM_TRAIN_SEQ 1
+
+#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
+
+#include <stdint.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 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"
+#include "cpu/x86/bist.h"
+
+#if USE_FAILOVER_IMAGE==0
+
+#include "lib/delay.c"
+
+#if CONFIG_USE_INIT == 0
+ #include "lib/memcpy.c"
+#endif
+#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_f.h"
+#include "northbridge/amd/amdk8/coherent_ht.c"
+
+#include "northbridge/amd/amdk8/incoherent_ht.c"
+
+#include "northbridge/amd/amdk8/raminit_f.c"
+
+#include "sdram/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 ((HAVE_FAILOVER_BOOT==1) && (USE_FAILOVER_IMAGE == 1)) || ((HAVE_FAILOVER_BOOT==0) && (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 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 HAVE_FAILOVER_BOOT==1
+ #if USE_FAILOVER_IMAGE==1
+ failover_process(bist, cpu_init_detectedx);
+ #else
+ real_main(bist, cpu_init_detectedx);
+ #endif
+#else
+ #if USE_FALLBACK_IMAGE == 1
+ failover_process(bist, cpu_init_detectedx);
+ #endif
+ real_main(bist, cpu_init_detectedx);
+#endif
+}
+
+#if 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 = (DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE);
+
+ int needs_reset; int i;
+ unsigned bsp_apicid = 0;
+
+ if (bist == 0) {
+ //It's the time to set ctrl in sysinfo now;
+ fill_mem_ctrl(CONFIG_MAX_PHYSICAL_CPUS, sysinfo->ctrl, spd_addr);
+ bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
+ }
+
+// post_code(0x32);
+
+ w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
+ uart_init();
+ console_init();
+
+// dump_mem(DCACHE_RAM_BASE+DCACHE_RAM_SIZE-0x200, DCACHE_RAM_BASE+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_serengeti_cheetah_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 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
+
+ {
+ 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");
+
+ }
+#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);
+
+#if 0
+ //It's the time to set ctrl in sysinfo now;
+ fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
+#endif
+
+ enable_smbus();
+
+#if 0
+ 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