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Diffstat (limited to 'src/mainboard/asus/kfsn4-dre/romstage.c')
| -rw-r--r-- | src/mainboard/asus/kfsn4-dre/romstage.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/mainboard/asus/kfsn4-dre/romstage.c b/src/mainboard/asus/kfsn4-dre/romstage.c new file mode 100644 index 0000000000..cd8b9de8c9 --- /dev/null +++ b/src/mainboard/asus/kfsn4-dre/romstage.c @@ -0,0 +1,394 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * + * 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 FAM10_SCAN_PCI_BUS 0 +#define FAM10_ALLOCATE_IO_RANGE 1 + +unsigned int get_sbdn(unsigned bus); + +#include <stdint.h> +#include <string.h> +#include <reset.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <cpu/x86/lapic.h> +#include <console/console.h> +#include <lib.h> +#include <spd.h> +#include <cpu/amd/model_10xxx_rev.h> +#include "southbridge/nvidia/ck804/early_smbus.h" +#include <northbridge/amd/amdfam10/raminit.h> +#include <northbridge/amd/amdfam10/amdfam10.h> +#include "lib/delay.c" +#include <cpu/x86/lapic.h> +#include "northbridge/amd/amdfam10/reset_test.c" +#include <superio/winbond/common/winbond.h> +#include <superio/winbond/w83627thg/w83627thg.h> +#include <cpu/x86/bist.h> +// #include "northbridge/amd/amdk8/incoherent_ht.c" +#include "northbridge/amd/amdfam10/debug.c" +#include "northbridge/amd/amdfam10/setup_resource_map.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1) + +static void activate_spd_rom(const struct mem_controller *ctrl); + +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/amdfam10/raminit_sysinfo_in_ram.c" +#include "northbridge/amd/amdfam10/pci.c" +#include "resourcemap.c" +#include "cpu/amd/quadcore/quadcore.c" + +/* + * Avoid crash (complete with severe memory corruption!) during initial CAR boot + * in ck804_early_setup_x(). + * Interestingly once the system is fully booted into Linux this can be set, but + * not before! Apparently something isn't initialized but the amount of effort + * required to fix this is non-negligible and of unknown real-world benefit + */ +#define CK804_SKIP_PCI_REG_78_INIT 1 + +#define CK804_MB_SETUP \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+33, ~(0x0f),(0x04 | 0x01), /* -ENOINFO Proprietary BIOS sets this register; "When in Rome..."*/ + +#include <southbridge/nvidia/ck804/early_setup_ss.h> +#include "southbridge/nvidia/ck804/early_setup_car.c" +#include <cpu/amd/microcode.h> + +#include "cpu/amd/model_10xxx/init_cpus.c" +#include "northbridge/amd/amdfam10/early_ht.c" + +#define GPIO3_DEV PNP_DEV(0x2e, W83627THG_GPIO3) + +/** + * @brief Get SouthBridge device number + * @param[in] bus target bus number + * @return southbridge device number + */ +unsigned int get_sbdn(unsigned bus) +{ + device_t dev; + + dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA, + PCI_DEVICE_ID_NVIDIA_CK804_PRO), bus); + return (dev >> 15) & 0x1f; +} + +/* + * ASUS KFSN4-DRE specific SPD enable/disable magic. + * + * Setting CK804 GPIO43 and GPIO44 to 0 and 0 respectively will make the + * board DIMMs accessible at SMBus/SPD offsets 0x50-0x53. Per default the SPD + * offsets 0x50-0x53 are _not_ readable (all SPD reads will return 0xff) which + * will make RAM init fail. + * + * Disable SPD access after RAM init to allow access to standard SMBus/I2C offsets + * which is required e.g. by lm-sensors. + */ + +#define CK804_BOARD_BOOT_BASE_UNIT_UID 1 + +static const unsigned int ctrl_conf_enable_spd_node0[] = { + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+42, ~(0x0f),(0x04 | 0x00),/* W2,GPIO43, U6 input S0*/ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+43, ~(0x0f),(0x04 | 0x00),/* W3,GPIO44, U6 input S1*/ +}; + +static const unsigned int ctrl_conf_enable_spd_node1[] = { + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+42, ~(0x0f),(0x04 | 0x00),/* W2,GPIO43, U6 input S0*/ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+43, ~(0x0f),(0x04 | 0x01),/* W3,GPIO44, U6 input S1*/ +}; + +static const unsigned int ctrl_conf_disable_spd[] = { + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+42, ~(0x0f),(0x04 | 0x01),/* W2,GPIO43, U6 input S0*/ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+43, ~(0x0f),(0x04 | 0x00),/* W3,GPIO44, U6 input S1*/ +}; + +static const unsigned int ctrl_conf_fix_pci_numbering[] = { + RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x44), ~(0x00010000), 0x00000000, /* Force CK804 to start its internal device numbering (Base Unit ID) at 0 instead of the power-on default of 1 */ +}; + +static const unsigned int ctrl_conf_enable_msi_mapping[] = { + RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xe0), ~(0x00000000), 0x00010000, /* Enable MSI mapping on host bridge -- without this Linux cannot use the network device MSI interrupts! */ +}; + +static void ck804_control(const unsigned int* values, u32 size, uint8_t bus_unit_id) +{ + unsigned busn[4], io_base[4]; + int i, ck804_num = 0; + + for (i = 0; i < 4; i++) { + u32 id; + device_t dev; + if (i == 0) /* SB chain */ + dev = PCI_DEV(i * 0x40, bus_unit_id, 0); + else + dev = 0; + id = pci_read_config32(dev, PCI_VENDOR_ID); + if (id == 0x005e10de) { + busn[ck804_num] = i * 0x40; + io_base[ck804_num] = i * 0x4000; + ck804_num++; + } + } + + if (ck804_num < 1) + printk(BIOS_WARNING, "CK804 not found at device base unit id %02x!\n", bus_unit_id); + + ck804_early_set_port(ck804_num, busn, io_base); + + setup_resource_map_x_offset(values, + size, + PCI_DEV(0, bus_unit_id, 0), io_base[0]); + + ck804_early_clear_port(ck804_num, busn, io_base); +} + +static void sio_setup(void) +{ + u32 dword; + u8 byte; + + /* Subject decoding */ + byte = pci_read_config8(PCI_DEV(0, CK804_BOARD_BOOT_BASE_UNIT_UID + 1, 0), 0x7b); + byte |= 0x20; + pci_write_config8(PCI_DEV(0, CK804_BOARD_BOOT_BASE_UNIT_UID + 1, 0), 0x7b, byte); + + /* LPC Positive Decode 0 */ + dword = pci_read_config32(PCI_DEV(0, CK804_BOARD_BOOT_BASE_UNIT_UID + 1, 0), 0xa0); + /* Serial 0, Serial 1 */ + dword |= (1 << 0) | (1 << 1); + pci_write_config32(PCI_DEV(0, CK804_BOARD_BOOT_BASE_UNIT_UID + 1, 0), 0xa0, dword); +} + +static const uint8_t spd_addr[] = { + // Node 0 + RC00, DIMM0, DIMM2, DIMM4, DIMM6, DIMM1, DIMM3, DIMM5, DIMM7, + // Node 1 + RC01, DIMM0, DIMM2, DIMM4, DIMM6, DIMM1, DIMM3, DIMM5, DIMM7, +}; + +static void activate_spd_rom(const struct mem_controller *ctrl) { + printk(BIOS_DEBUG, "activate_spd_rom() for node %02x\n", ctrl->node_id); + if (ctrl->node_id == 0) { + printk(BIOS_DEBUG, "enable_spd_node0()\n"); + ck804_control(ctrl_conf_enable_spd_node0, ARRAY_SIZE(ctrl_conf_enable_spd_node0), CK804_DEVN_BASE); + } + else if (ctrl->node_id == 1) { + printk(BIOS_DEBUG, "enable_spd_node1()\n"); + ck804_control(ctrl_conf_enable_spd_node1, ARRAY_SIZE(ctrl_conf_enable_spd_node1), CK804_DEVN_BASE); + } +} + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + struct sys_info *sysinfo = &sysinfo_car; + + u32 bsp_apicid = 0, val, wants_reset; + msr_t msr; + + if (!cpu_init_detectedx && boot_cpu()) { + /* 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(); + } + + post_code(0x30); + + if (bist == 0) + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + + post_code(0x32); + + winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + console_init(); + + if (CONFIG_MAX_PHYSICAL_CPUS != 2) + printk(BIOS_WARNING, "CONFIG_MAX_PHYSICAL_CPUS is %d, but this is a dual socket board!\n", CONFIG_MAX_PHYSICAL_CPUS); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + val = cpuid_eax(1); + printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val); + printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); + printk(BIOS_DEBUG, "bsp_apicid = %02x\n", bsp_apicid); + printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\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 fix up 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 (IS_ENABLED(CONFIG_LOGICAL_CPUS)) { + /* Core0 on each node is configured. Now setup any additional cores. */ + printk(BIOS_DEBUG, "start_other_cores()\n"); + start_other_cores(); + post_code(0x37); + wait_all_other_cores_started(bsp_apicid); + } + + printk(BIOS_DEBUG, "set_ck804_base_unit_id()\n"); + ck804_control(ctrl_conf_fix_pci_numbering, ARRAY_SIZE(ctrl_conf_fix_pci_numbering), CK804_BOARD_BOOT_BASE_UNIT_UID); + + post_code(0x38); + + if (IS_ENABLED(CONFIG_SET_FIDVID)) { + msr = rdmsr(0xc0010071); + printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo); + + 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(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo); + } + + init_timer(); // Need to use TMICT to synconize FID/VID + + wants_reset = ck804_early_setup_x(); + + /* Reset for HT, FIDVID, PLL and errata changes to take affect. */ + if (!warm_reset_detect(0)) { + printk(BIOS_INFO, "...WARM RESET...\n\n\n"); + soft_reset(); + die("After soft_reset_x - shouldn't see this message!!!\n"); + } + + if (wants_reset) { + printk(BIOS_DEBUG, "ck804_early_setup_x wanted additional reset!\n"); + } + + post_code(0x3B); + + /* It's the time to set ctrl in sysinfo now; */ + printk(BIOS_DEBUG, "fill_mem_ctrl()\n"); + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + post_code(0x3D); + + printk(BIOS_DEBUG, "enable_smbus()\n"); + enable_smbus(); + +#if 0 + /* FIXME + * After the AMD K10 code has been converted to use + * IS_ENABLED(CONFIG_DEBUG_SMBUS) uncomment this block + */ + if (IS_ENABLED(CONFIG_DEBUG_SMBUS)) { + dump_spd_registers(&cpu[0]); + dump_smbus_registers(); + } +#endif + + post_code(0x40); + + printk(BIOS_DEBUG, "raminit_amdmct()\n"); + raminit_amdmct(sysinfo); + post_code(0x41); + + printk(BIOS_DEBUG, "disable_spd()\n"); + ck804_control(ctrl_conf_disable_spd, ARRAY_SIZE(ctrl_conf_disable_spd), CK804_DEVN_BASE); + + printk(BIOS_DEBUG, "enable_msi_mapping()\n"); + ck804_control(ctrl_conf_enable_msi_mapping, ARRAY_SIZE(ctrl_conf_enable_msi_mapping), CK804_DEVN_BASE); + + /* Initialize GPIO */ + /* Access SuperIO GPI03 logical device */ + uint16_t port = GPIO3_DEV >> 8; + outb(0x87, port); + outb(0x87, port); + pnp_set_logical_device(GPIO3_DEV); + /* Set GP37 (power LED) to output */ + pnp_write_config(GPIO3_DEV, 0xf0, 0x7f); + /* Set GP37 (power LED) on */ + pnp_write_config(GPIO3_DEV, 0xf1, 0x80); + /* Set pin 64 multiplex to GP37 */ + uint8_t cr2c = pnp_read_config(GPIO3_DEV, 0x2c); + pnp_write_config(GPIO3_DEV, 0x2c, (cr2c & 0xf3) | 0x04); + /* Restore default SuperIO access */ + outb(0xaa, port); + + post_cache_as_ram(); // BSP switch stack to ram, copy then execute LB. + post_code(0x43); // Should never see this post code. +} + +/** + * BOOL AMD_CB_ManualBUIDSwapList(u8 Node, u8 Link, u8 **List) + * Description: + * This routine is called every time a non-coherent chain is processed. + * BUID assignment may be controlled explicitly on a non-coherent chain. Provide a + * swap list. The first part of the list controls the BUID assignment and the + * second part of the list provides the device to device linking. Device orientation + * can be detected automatically, or explicitly. See documentation for more details. + * + * Automatic non-coherent init assigns BUIDs starting at 1 and incrementing sequentially + * based on each device's unit count. + * + * Parameters: + * @param[in] node = The node on which this chain is located + * @param[in] link = The link on the host for this chain + * @param[out] List = supply a pointer to a list + */ +BOOL AMD_CB_ManualBUIDSwapList (u8 node, u8 link, const u8 **List) +{ + return 0; +} |