| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2006 AMD |
| * (Written by Yinghai Lu <yinghailu@amd.com> for AMD) |
| * Copyright (C) 2006 MSI |
| * (Written by Bingxun Shi <bingxunshi@gmail.com> for MSI) |
| * Copyright (C) 2008 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; 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. |
| */ |
| |
| unsigned int get_sbdn(unsigned bus); |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <cpu/amd/mtrr.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <cpu/amd/model_fxx_rev.h> |
| #include <halt.h> |
| #include <northbridge/amd/amdk8/raminit.h> |
| #include <delay.h> |
| #include "northbridge/amd/amdk8/reset_test.c" |
| #include "northbridge/amd/amdk8/debug.c" |
| #include <superio/ite/common/ite.h> |
| #include <superio/ite/it8712f/it8712f.h> |
| #include "southbridge/via/vt8237r/early_smbus.c" |
| #include <cpu/x86/bist.h> |
| #include "northbridge/amd/amdk8/setup_resource_map.c" |
| #include <spd.h> |
| |
| #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1) |
| #define GPIO_DEV PNP_DEV(0x2e, IT8712F_GPIO) |
| #define CLKIN_DEV PNP_DEV(0x2e, IT8712F_GPIO) |
| |
| #define IT8712F_GPIO_BASE 0x0a20 |
| |
| static void memreset(int controllers, const struct mem_controller *ctrl) { } |
| 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 "southbridge/via/k8t890/early_car.c" |
| #include <northbridge/amd/amdk8/amdk8.h> |
| #include "northbridge/amd/amdk8/incoherent_ht.c" |
| #include "northbridge/amd/amdk8/coherent_ht.c" |
| #include "northbridge/amd/amdk8/raminit_f.c" |
| #include "lib/generic_sdram.c" |
| #include "cpu/amd/dualcore/dualcore.c" |
| #include "cpu/amd/model_fxx/init_cpus.c" |
| #include "cpu/amd/model_fxx/fidvid.c" |
| #include "northbridge/amd/amdk8/resourcemap.c" |
| |
| void soft_reset(void) |
| { |
| uint8_t tmp; |
| |
| set_bios_reset(); |
| printk(BIOS_DEBUG, "soft reset\n"); |
| |
| /* PCI reset */ |
| tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f); |
| tmp |= 0x01; |
| /* FIXME from S3 set bit1 to disable USB reset VT8237A/S */ |
| pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp); |
| |
| halt(); |
| } |
| |
| unsigned int get_sbdn(unsigned bus) |
| { |
| pci_devfn_t dev; |
| |
| dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA, |
| PCI_DEVICE_ID_VIA_VT8237R_LPC), bus); |
| return (dev >> 15) & 0x1f; |
| } |
| |
| struct gpio_init_val { |
| u8 addr; |
| u8 val; |
| }; |
| |
| static const struct gpio_init_val gpio_init_data[] = { |
| /* multi-function pin selection */ |
| { 0x25, 0x00 }, |
| { 0x28, 0x00 }, /* gp46 is infrared receive input */ |
| { 0x29, 0x40 }, /* reserved value?!? */ |
| { 0x2a, 0x00 }, |
| { 0x2c, 0x1d }, /* pin91 is VIN7 instead of PCIRSTIN# */ |
| /* gpio i/o port base */ |
| { 0x62, IT8712F_GPIO_BASE >> 8 }, |
| { 0x63, IT8712F_GPIO_BASE & 0xff }, |
| /* 0xb8 - 0xbc: gpio pull-up enable */ |
| { 0xb8, 0x00 }, |
| /* 0xc0 - 0xc4: gpio alternate function select */ |
| { 0xc0, 0x00 }, |
| { 0xc3, 0x00 }, |
| { 0xc4, 0xc0 }, |
| /* 0xc8 - 0xcc: gpio output enable */ |
| { 0xc8, 0x00 }, |
| { 0xcb, 0x00 }, |
| { 0xcc, 0xc0 }, |
| /* end of list */ |
| { 0, 0 }, |
| }; |
| |
| static void m2v_it8712f_gpio_init(void) |
| { |
| const struct gpio_init_val *giv; |
| |
| printk(BIOS_SPEW, "it8712f gpio init...\n"); |
| |
| /* |
| * it8712f gpio config |
| * |
| * Most importantly this switches pin 91 from |
| * PCIRSTIN# to VIN7. |
| * Note that only PCIRST3# and PCIRST5# are affected |
| * by PCIRSTIN#, the PCIRST1#, PCIRST2#, PCIRST4# are always |
| * direct buffers of #LRESET (low pin count bus reset). |
| * If this is not done All PCIRST are in reset state and the |
| * pcie slots don't initialize. |
| * |
| * pci reset handling: |
| * pin 91: VIN7 (alternate PCIRSTIN#) |
| * pin 48: PCIRST5# / gpio port 5 bit 0 |
| * pin 84: PCIRST4# / gpio port 1 bit 0 |
| * pin 31: PCIRST1# / gpio port 1 bit 4 |
| * pin 33: PCIRST2# / gpio port 1 bit 2 |
| * pin 34: PCIRST3# / gpio port 1 bit 1 |
| * |
| * PCIRST[0-5]# are connected as follows: |
| * pcirst1# -> pci bus |
| * pcirst2# -> ide bus |
| * pcirst3# -> pcie devices |
| * pcirst4# -> pcie graphics |
| * pcirst5# -> maybe n/c (untested) |
| * |
| * For software control of PCIRST[1-5]#: |
| * 0x2a = 0x17 (deselect pcirst# hardwiring, enable 0x25 control) |
| * 0x25 = 0x17 (select gpio function) |
| * 0xc0 = 0x17, 0xc8 = 0x17 gpio port 1 select & output enable |
| * 0xc4 = 0xc1, 0xcc = 0xc1 gpio port 5 select & output enable |
| */ |
| giv = gpio_init_data; |
| while (giv->addr) { |
| printk(BIOS_SPEW, "it8712f gpio: %02x=%02x\n", |
| giv->addr, giv->val); |
| ite_reg_write(IT8712F_GPIO, giv->addr, giv->val); |
| giv++; |
| } |
| |
| printk(BIOS_INFO, "it8712f gpio: Setting DDR2 voltage to 1.80V\n"); |
| /* |
| * upper two bits of gpio_base+4 control ddr2 voltage: |
| * 11: 1.80V |
| * 01: 1.85V |
| * 10: 1.90V |
| * 00: 1.95V |
| * |
| * The lower six bits are inputs and normally read back as 1 |
| * (except bit 2, which seems rather random). |
| */ |
| outb(0xff, IT8712F_GPIO_BASE+4); |
| } |
| |
| static void m2v_bus_init(void) |
| { |
| pci_devfn_t dev; |
| |
| printk(BIOS_SPEW, "m2v_bus_init\n"); |
| |
| dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, |
| PCI_DEVICE_ID_VIA_K8T890CF_0), 0); |
| pci_write_config8(dev, K8T890_MULTIPLE_FN_EN, 0x01); |
| |
| dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, |
| PCI_DEVICE_ID_VIA_K8T890CF_5), 0); |
| /* |
| * bit | meaning |
| * 6 | 0: hide scratch register function 0:0.6 (we don't use it) |
| * 5 | 1: enable pcie bridge 0:2.0 |
| * 4 | 0: hide pcie bridge 0:3.3 (not connected) |
| * 3 | 1: enable pcie bridge 0:3.2 |
| * 2 | 1: enable pcie bridge 0:3.1 |
| * 1 | 1: enable pcie bridge 0:3.0 |
| */ |
| pci_write_config8(dev, 0xf0, 0x2e); |
| } |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| static const uint16_t spd_addr[] = { |
| // Node 0 |
| DIMM0, DIMM2, 0, 0, |
| DIMM1, DIMM3, 0, 0, |
| // Node 1 |
| DIMM4, DIMM6, 0, 0, |
| DIMM5, DIMM7, 0, 0, |
| }; |
| unsigned bsp_apicid = 0; |
| int needs_reset = 0; |
| struct sys_info *sysinfo = &sysinfo_car; |
| |
| ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_24); |
| ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| ite_kill_watchdog(GPIO_DEV); |
| console_init(); |
| enable_rom_decode(); |
| m2v_bus_init(); |
| m2v_it8712f_gpio_init(); |
| ite_enable_3vsbsw(GPIO_DEV); |
| |
| printk(BIOS_INFO, "now booting...\n"); |
| |
| if (bist == 0) |
| bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); |
| |
| /* Halt if there was a built in self test failure. */ |
| report_bist_failure(bist); |
| setup_default_resource_map(); |
| setup_coherent_ht_domain(); |
| wait_all_core0_started(); |
| |
| printk(BIOS_INFO, "now booting... All core 0 started\n"); |
| |
| #if CONFIG_LOGICAL_CPUS |
| /* It is said that we should start core1 after all core0 launched. */ |
| start_other_cores(); |
| wait_all_other_cores_started(bsp_apicid); |
| #endif |
| init_timer(); |
| ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */ |
| |
| needs_reset = optimize_link_coherent_ht(); |
| printk(BIOS_DEBUG, "%02x", needs_reset); |
| needs_reset |= optimize_link_incoherent_ht(sysinfo); |
| printk(BIOS_DEBUG, "%02x", needs_reset); |
| needs_reset |= k8t890_early_setup_ht(); |
| printk(BIOS_DEBUG, "%02x", needs_reset); |
| |
| if (needs_reset) { |
| printk(BIOS_DEBUG, "ht reset -\n"); |
| soft_reset(); |
| printk(BIOS_DEBUG, "FAILED!\n"); |
| } |
| |
| /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */ |
| /* allow LDT STOP asserts */ |
| vt8237_sb_enable_fid_vid(); |
| |
| enable_fid_change(); |
| printk(BIOS_DEBUG, "after enable_fid_change\n"); |
| |
| init_fidvid_bsp(bsp_apicid); |
| |
| /* Stop the APs so we can start them later in init. */ |
| allow_all_aps_stop(bsp_apicid); |
| |
| /* It's the time to set ctrl now. */ |
| fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| enable_smbus(); |
| sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); |
| post_cache_as_ram(); |
| } |