1 files changed, 382 insertions, 0 deletions
diff --git a/src/mainboard/tyan/s2912_fam10/romstage.c b/src/mainboard/tyan/s2912_fam10/romstage.c
new file mode 100644
index 0000000..1216c29
--- /dev/null
+++ b/src/mainboard/tyan/s2912_fam10/romstage.c
@@ -0,0 +1,382 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 AMD
+ * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#define ASSEMBLY 1
+#define __PRE_RAM__
+
+#define RAMINIT_SYSINFO 1
+
+#define FAM10_SCAN_PCI_BUS 0
+#define FAM10_ALLOCATE_IO_RANGE 1
+
+#define QRANK_DIMM_SUPPORT 1
+
+#if CONFIG_LOGICAL_CPUS==1
+#define SET_NB_CFG_54 1
+#endif
+
+#define FAM10_SET_FIDVID 1
+#define FAM10_SET_FIDVID_CORE_RANGE 0
+
+#define DBGP_DEFAULT 7
+
+#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"
+
+static void post_code(u8 value) {
+	outb(value, 0x80);
+}
+
+#if CONFIG_USE_FAILOVER_IMAGE==0
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#if CONFIG_USBDEBUG_DIRECT
+#include "southbridge/nvidia/mcp55/mcp55_enable_usbdebug_direct.c"
+#include "pc80/usbdebug_direct_serial.c"
+#endif
+#include "lib/ramtest.c"
+
+#include <cpu/amd/model_10xxx_rev.h>
+
+#include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
+#include "northbridge/amd/amdfam10/raminit.h"
+#include "northbridge/amd/amdfam10/amdfam10.h"
+
+#endif
+
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/amd/amdfam10/reset_test.c"
+#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
+#include "superio/winbond/w83627hf/w83627hf_early_init.c"
+
+#if CONFIG_USE_FAILOVER_IMAGE==0
+
+#include "cpu/x86/bist.h"
+
+#include "northbridge/amd/amdfam10/debug.c"
+
+#include "cpu/amd/mtrr/amd_earlymtrr.c"
+
+#include "northbridge/amd/amdfam10/setup_resource_map.c"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+#include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
+
+static void memreset_setup(void)
+{
+}
+
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+}
+
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+	/* nothing to do */
+}
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/amdfam10/amdfam10.h"
+#include "northbridge/amd/amdht/ht_wrapper.c"
+
+#include "include/cpu/x86/mem.h"
+#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
+#include "northbridge/amd/amdfam10/raminit_amdmct.c"
+#include "northbridge/amd/amdfam10/amdfam10_pci.c"
+
+#include "resourcemap.c"
+
+#include "cpu/amd/quadcore/quadcore.c"
+
+#define MCP55_NUM 1
+#define MCP55_USE_NIC 1
+
+#define MCP55_PCI_E_X_0 1
+
+#define MCP55_MB_SETUP \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
+	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
+
+#include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
+#include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
+
+#include "cpu/amd/car/copy_and_run.c"
+
+#include "cpu/amd/car/post_cache_as_ram.c"
+
+#include "cpu/amd/model_10xxx/init_cpus.c"
+
+#include "cpu/amd/model_10xxx/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/nvidia/mcp55/mcp55_enable_rom.c"
+#include "northbridge/amd/amdfam10/early_ht.c"
+
+
+static void sio_setup(void)
+{
+
+	unsigned value;
+	uint32_t dword;
+	uint8_t byte;
+
+	byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
+	byte |= 0x20;
+	pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
+
+	dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
+	/*serial 0 */
+	dword |= (1<<0);
+	pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
+
+	dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
+	dword |= (1<<16);
+	pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
+
+}
+
+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 */
+
+	set_bsp_node_CHtExtNodeCfgEn();
+	enumerate_ht_chain();
+
+	sio_setup();
+
+	/* Setup the mcp55 */
+	mcp55_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
+#include "spd_addr.h"
+#include "cpu/amd/microcode/microcode.c"
+#include "cpu/amd/model_10xxx/update_microcode.c"
+
+void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+	struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+
+	u32 bsp_apicid = 0;
+	u32 val;
+	u32 wants_reset;
+	msr_t msr;
+
+	post_code(0x30);
+
+	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();
+	printk_debug("\n");
+
+	/* Halt if there was a built in self test failure */
+	report_bist_failure(bist);
+
+#if CONFIG_USBDEBUG_DIRECT
+	mcp55_enable_usbdebug_direct(DBGP_DEFAULT);
+	early_usbdebug_direct_init();
+#endif
+
+	val = cpuid_eax(1);
+	printk_debug("BSP Family_Model: %08x \n", val);
+	printk_debug("*sysinfo range: ["); print_debug_hex32((u32)sysinfo); print_debug(","); print_debug_hex32((u32)sysinfo+sizeof(struct sys_info)); print_debug("]\n");
+	printk_debug("bsp_apicid = %02x \n", bsp_apicid);
+	printk_debug("cpu_init_detectedx = %08x \n", cpu_init_detectedx);
+
+	/* Setup sysinfo defaults */
+	set_sysinfo_in_ram(0);
+
+	update_microcode(val);
+	post_code(0x33);
+
+	cpuSetAMDMSR();
+	post_code(0x34);
+
+	amd_ht_init(sysinfo);
+	post_code(0x35);
+
+	/* Setup nodes PCI space and start core 0 AP init. */
+	finalize_node_setup(sysinfo);
+
+	/* Setup any mainboard PCI settings etc. */
+	setup_mb_resource_map();
+	post_code(0x36);
+
+	/* wait for all the APs core0 started by finalize_node_setup. */
+	/* FIXME: A bunch of cores are going to start output to serial at once.
+	 * It would be nice to fixup prink spinlocks for ROM XIP mode.
+	 * I think it could be done by putting the spinlock flag in the cache
+	 * of the BSP located right after sysinfo.
+	 */
+	wait_all_core0_started();
+
+#if CONFIG_LOGICAL_CPUS==1
+	/* Core0 on each node is configured. Now setup any additional cores. */
+	printk_debug("start_other_cores()\n");
+	start_other_cores();
+	post_code(0x37);
+	wait_all_other_cores_started(bsp_apicid);
+#endif
+
+	post_code(0x38);
+
+#if FAM10_SET_FIDVID == 1
+	msr = rdmsr(0xc0010071);
+	printk_debug("\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x \n", msr.hi, msr.lo);
+
+	/* FIXME: The sb fid change may survive the warm reset and only
+	 * need to be done once.*/
+	enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
+
+	post_code(0x39);
+
+	if (!warm_reset_detect(0)) {			// BSP is node 0
+		init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
+	} else {
+		init_fidvid_stage2(bsp_apicid, 0);	// BSP is node 0
+	}
+
+	post_code(0x3A);
+
+	/* show final fid and vid */
+	msr=rdmsr(0xc0010071);
+	printk_debug("End FIDVIDMSR 0xc0010071 0x%08x 0x%08x \n", msr.hi, msr.lo);
+#endif
+
+	wants_reset = mcp55_early_setup_x();
+
+	/* Reset for HT, FIDVID, PLL and errata changes to take affect. */
+	if (!warm_reset_detect(0)) {
+		print_info("...WARM RESET...\n\n\n");
+		soft_reset();
+		die("After soft_reset_x - shouldn't see this message!!!\n");
+	}
+
+	if (wants_reset)
+		printk_debug("mcp55_early_setup_x wanted additional reset!\n");
+
+	post_code(0x3B);
+
+	/* It's the time to set ctrl in sysinfo now; */
+	printk_debug("fill_mem_ctrl()\n");
+	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
+	post_code(0x3D);
+
+	printk_debug("enable_smbus()\n");
+	enable_smbus();
+	post_code(0x3E);
+
+	memreset_setup();
+	post_code(0x40);
+
+	printk_debug("raminit_amdmct()\n");
+	raminit_amdmct(sysinfo);
+	post_code(0x41);
+
+	printk_debug("\n*** Yes, the copy/decompress is taking a while, FIXME!\n");
+	post_cache_as_ram();	// BSP switch stack to ram, copy then execute LB.
+	post_code(0x43);	// Should never see this post code.
+}
+
+
+#endif