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-rw-r--r--src/mainboard/asrock/939a785gmh/romstage.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/src/mainboard/asrock/939a785gmh/romstage.c b/src/mainboard/asrock/939a785gmh/romstage.c
new file mode 100644
index 0000000000..576a48e580
--- /dev/null
+++ b/src/mainboard/asrock/939a785gmh/romstage.c
@@ -0,0 +1,248 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 RAMINIT_SYSINFO 1
+#define K8_SET_FIDVID 1
+#define QRANK_DIMM_SUPPORT 1
+#if CONFIG_LOGICAL_CPUS==1
+#define SET_NB_CFG_54 1
+#endif
+
+#define RC0 (6<<8)
+#define RC1 (7<<8)
+
+#define DIMM0 0x50
+#define DIMM1 0x51
+
+#define ICS951462_ADDRESS 0x69
+#define SMBUS_HUB 0x71
+
+#include <stdint.h>
+#include <string.h>
+#include <device/pci_def.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"
+#include "pc80/serial.c"
+#include "console/console.c"
+
+#include <cpu/amd/model_fxx_rev.h>
+#include "northbridge/amd/amdk8/raminit.h"
+#include "cpu/amd/model_fxx/apic_timer.c"
+#include "lib/delay.c"
+
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/amd/amdk8/reset_test.c"
+#include "superio/winbond/w83627dhg/w83627dhg_early_serial.c"
+
+#include "cpu/amd/mtrr/amd_earlymtrr.c"
+#include "cpu/x86/bist.h"
+
+#include "northbridge/amd/amdk8/setup_resource_map.c"
+
+#include "southbridge/amd/rs780/rs780_early_setup.c"
+#include "southbridge/amd/sb700/sb700_early_setup.c"
+#include "northbridge/amd/amdk8/debug.c" /* After sb700_early_setup.c! */
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627DHG_SP1)
+#define GPIO6_DEV PNP_DEV(0x2e, W83627DHG_GPIO6)
+#define GPIO2345_DEV PNP_DEV(0x2e, W83627DHG_GPIO2345)
+
+/* CAN'T BE REMOVED! crt0.S will use it. I don't know WHY!*/
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+}
+
+/* called in raminit_f.c */
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+}
+
+/*called in raminit_f.c */
+static inline int spd_read_byte(u32 device, u32 address)
+{
+ return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/amdk8/amdk8.h"
+#include "northbridge/amd/amdk8/incoherent_ht.c"
+#include "northbridge/amd/amdk8/raminit.c"
+#include "northbridge/amd/amdk8/coherent_ht.c"
+#include "lib/generic_sdram.c"
+#include "resourcemap.c"
+
+#include "cpu/amd/dualcore/dualcore.c"
+
+#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"
+
+#include "northbridge/amd/amdk8/early_ht.c"
+
+void sio_init(void)
+{
+ u8 reg;
+
+ pnp_enter_ext_func_mode(GPIO2345_DEV);
+ pnp_set_logical_device(GPIO2345_DEV);
+
+ /* Pin 119 ~ 120 GP21, GP20 */
+ reg = pnp_read_config(GPIO2345_DEV, 0x29);
+ pnp_write_config(GPIO2345_DEV, 0x29, (reg | 2));
+
+ /* todo document this */
+ pnp_write_config(GPIO2345_DEV, 0x2c, 0x1);
+ pnp_write_config(GPIO2345_DEV, 0x2d, 0x1);
+
+
+//idx 30 e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 f0 f1 f2 f3 f4 f5 f6 f7 fe
+//val 07 XX XX XX f6 0e 00 00 00 00 ff d6 96 00 40 d0 83 00 00 07
+
+//GPO20 - 1 = 1.82 0 = 1.92 sideport voltage
+//mGPUV GPO40 | GPO41 | GPIO23 - 000 - 1.45V step 0.05 -- 111 - 1.10V
+//DDR voltage 44 45 46
+
+ /* GPO20 - sideport voltage GPO23 - mgpuV */
+ pnp_write_config(GPIO2345_DEV, 0x30, 0x07); /* Enable GPIO 2,3,4. */
+ pnp_write_config(GPIO2345_DEV, 0xe3, 0xf6); /* dir of GPIO2 11110110*/
+ pnp_write_config(GPIO2345_DEV, 0xe4, 0x0e); /* data */
+ pnp_write_config(GPIO2345_DEV, 0xe5, 0x00); /* No inversion */
+
+ /* GPO30 GPO33 GPO35 */
+ //GPO35 - loadline control 0 - enabled
+ //GPIO30 - unknown
+ //GPIO33 - unknown
+ pnp_write_config(GPIO2345_DEV, 0xf0, 0xd6); /* dir of GPIO3 11010110*/
+ pnp_write_config(GPIO2345_DEV, 0xf1, 0x96); /* data */
+ pnp_write_config(GPIO2345_DEV, 0xf2, 0x00); /* No inversion */
+
+ /* GPO40 GPO41 GPO42 GPO43 PO45 */
+ pnp_write_config(GPIO2345_DEV, 0xf4, 0xd0); /* dir of GPIO4 11010000 */
+ pnp_write_config(GPIO2345_DEV, 0xf5, 0x83); /* data */
+ pnp_write_config(GPIO2345_DEV, 0xf6, 0x00); /* No inversion */
+
+ pnp_write_config(GPIO2345_DEV, 0xf7, 0x00); /* MFC */
+ pnp_write_config(GPIO2345_DEV, 0xf8, 0x00); /* MFC */
+ pnp_write_config(GPIO2345_DEV, 0xfe, 0x07); /* trig type */
+ pnp_exit_ext_func_mode(GPIO2345_DEV);
+}
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+ static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, };
+ int needs_reset = 0;
+ u32 bsp_apicid = 0;
+ msr_t msr;
+ struct cpuid_result cpuid1;
+ struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+
+ if (!cpu_init_detectedx && boot_cpu()) {
+ /* Nothing special needs to be done to find bus 0 */
+ /* Allow the HT devices to be found */
+ enumerate_ht_chain();
+
+ /* sb700_lpc_port80(); */
+ sb700_pci_port80();
+ }
+
+ if (bist == 0) {
+ bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
+ }
+
+ enable_rs780_dev8();
+ sb700_lpc_init();
+
+ sio_init();
+ w83627dhg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ uart_init();
+ console_init();
+
+ /* Halt if there was a built in self test failure */
+ report_bist_failure(bist);
+ printk(BIOS_DEBUG, "bsp_apicid=0x%x\n", bsp_apicid);
+
+ setup_939a785gmh_resource_map();
+
+ setup_coherent_ht_domain();
+
+#if CONFIG_LOGICAL_CPUS==1
+ /* It is said that we should start core1 after all core0 launched */
+ wait_all_core0_started();
+ start_other_cores();
+#endif
+ wait_all_aps_started(bsp_apicid);
+
+ ht_setup_chains_x(sysinfo);
+
+ /* run _early_setup before soft-reset. */
+ rs780_early_setup();
+ sb700_early_setup();
+
+ /* 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=rdmsr(0xc0010042);
+ printk(BIOS_DEBUG, "begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
+
+ enable_fid_change();
+ enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
+ init_fidvid_bsp(bsp_apicid);
+
+ /* show final fid and vid */
+ msr=rdmsr(0xc0010042);
+ printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
+
+ } else {
+ printk(BIOS_DEBUG, "Changing FIDVID not supported\n");
+ }
+
+ needs_reset = optimize_link_coherent_ht();
+ needs_reset |= optimize_link_incoherent_ht(sysinfo);
+ rs780_htinit();
+ printk(BIOS_DEBUG, "needs_reset=0x%x\n", needs_reset);
+
+ if (needs_reset) {
+ print_info("ht reset -\n");
+ soft_reset();
+ }
+
+ allow_all_aps_stop(bsp_apicid);
+
+ /* It's the time to set ctrl now; */
+ printk(BIOS_DEBUG, "sysinfo->nodes: %2x sysinfo->ctrl: %p spd_addr: %p\n",
+ sysinfo->nodes, sysinfo->ctrl, spd_addr);
+ fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
+ sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
+
+ rs780_before_pci_init();
+ sb700_before_pci_init();
+
+ post_cache_as_ram();
+}
+