diff options
author | Tobias Diedrich <ranma+coreboot@tdiedrich.de> | 2010-11-07 20:08:45 +0000 |
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committer | Rudolf Marek <r.marek@assembler.cz> | 2010-11-07 20:08:45 +0000 |
commit | 4e6305f4abd12bdc0a091d16bc091774f72aa55c (patch) | |
tree | 464f34fdbfff1360a60c14708de8cc8e9cc10de2 /src/mainboard/asus/m2v/romstage.c | |
parent | 4a6dfebf39c3de9140d3b0923a0043010680535d (diff) |
Should be part of 6044. I forgot to add the directory :/
This adds the m2v directory and necessary files to src/mainboards/asus and
adjusts the Kconfig.
Signed-off-by: Tobias Diedrich <ranma+coreboot@tdiedrich.de>
Acked-by: Rudolf Marek <r.marek@assembler.cz>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6045 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/asus/m2v/romstage.c')
-rw-r--r-- | src/mainboard/asus/m2v/romstage.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/mainboard/asus/m2v/romstage.c b/src/mainboard/asus/m2v/romstage.c new file mode 100644 index 0000000000..c807daf47a --- /dev/null +++ b/src/mainboard/asus/m2v/romstage.c @@ -0,0 +1,299 @@ +/* + * 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. + * + * 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 + */ + +unsigned int get_sbdn(unsigned bus); + +/* Used by init_cpus and fidvid */ +#define SET_FIDVID 1 + +/* If we want to wait for core1 done before DQS training, set it to 0. */ +#define SET_FIDVID_CORE0_ONLY 1 + +#if CONFIG_K8_REV_F_SUPPORT == 1 +#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0 +#endif + +#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/amd/mtrr.h> +#include <cpu/x86/lapic.h> +#include <pc80/mc146818rtc.h> +#include <console/console.h> +#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 "northbridge/amd/amdk8/reset_test.c" +#include "northbridge/amd/amdk8/debug.c" +#include "superio/ite/it8712f/it8712f_early_serial.c" +#include "southbridge/via/vt8237r/vt8237r_early_smbus.c" +#include "cpu/x86/mtrr/earlymtrr.c" +#include "cpu/x86/bist.h" +#include "northbridge/amd/amdk8/setup_resource_map.c" + +#define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1) +#define WATCHDOG_DEV PNP_DEV(0x2e, IT8712F_GPIO) + +#define IT8712F_GPIO_BASE 0x0a20 + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +static void activate_spd_rom(const struct mem_controller *ctrl) +{ +} + +// defines S3_NVRAM_EARLY: +#include "southbridge/via/k8t890/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/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/resourcemap.c" + +void soft_reset(void) +{ + uint8_t tmp; + + set_bios_reset(); + print_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); + + while (1) { + /* daisy daisy ... */ + hlt(); + } +} + +unsigned int get_sbdn(unsigned bus) +{ + device_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 + */ + it8712f_enter_conf(); + giv = gpio_init_data; + while (giv->addr) { + printk(BIOS_SPEW, "it8712f gpio: %02x=%02x\n", + giv->addr, giv->val); + it8712f_sio_write(IT8712F_GPIO, giv->addr, giv->val); + giv++; + } + it8712f_exit_conf(); +} + +static void m2v_bus_init(void) +{ + device_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 + (0xa << 3) | 0, (0xa << 3) | 2, 0, 0, + (0xa << 3) | 1, (0xa << 3) | 3, 0, 0, + // Node 1 + (0xa << 3) | 4, (0xa << 3) | 6, 0, 0, + (0xa << 3) | 5, (0xa << 3) | 7, 0, 0, + }; + unsigned bsp_apicid = 0; + int needs_reset = 0; + struct sys_info *sysinfo = + (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + + it8712f_24mhz_clkin(); + it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + it8712f_kill_watchdog(); + uart_init(); + console_init(); + enable_rom_decode(); + m2v_bus_init(); + m2v_it8712f_gpio_init(); + + 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==1 + /* 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(); + print_debug_hex8(needs_reset); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + print_debug_hex8(needs_reset); + needs_reset |= k8t890_early_setup_ht(); + print_debug_hex8(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(); + print_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(); +} + |