diff options
Diffstat (limited to 'src/soc/intel/braswell/romstage/raminit.c')
| -rw-r--r-- | src/soc/intel/braswell/romstage/raminit.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/soc/intel/braswell/romstage/raminit.c b/src/soc/intel/braswell/romstage/raminit.c deleted file mode 100644 index d4f1711e36..0000000000 --- a/src/soc/intel/braswell/romstage/raminit.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Google Inc. - * - * 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. - */ - -#include <stddef.h> -#include <arch/io.h> -#include <bootmode.h> -#include <cbfs.h> -#include <cbmem.h> -#include <console/console.h> -#include <device/pci_def.h> -#include <halt.h> -#include <soc/gpio.h> -#include <soc/intel/common/mrc_cache.h> -#include <soc/iomap.h> -#include <soc/iosf.h> -#include <soc/pci_devs.h> -#include <soc/reset.h> -#include <soc/romstage.h> -#include <ec/google/chromeec/ec.h> -#include <ec/google/chromeec/ec_commands.h> - -static void reset_system(void) -{ - warm_reset(); - halt(); -} - -static void enable_smbus(void) -{ - uint32_t reg; - const uint32_t smbus_dev = PCI_DEV(0, SMBUS_DEV, SMBUS_FUNC); - - /* SMBus I/O BAR */ - reg = SMBUS_BASE_ADDRESS | 2; - pci_write_config32(smbus_dev, PCI_BASE_ADDRESS_4, reg); - /* Enable decode of I/O space. */ - reg = pci_read_config16(smbus_dev, PCI_COMMAND); - reg |= 0x1; - pci_write_config16(smbus_dev, PCI_COMMAND, reg); - /* Enable Host Controller */ - reg = pci_read_config8(smbus_dev, 0x40); - reg |= 1; - pci_write_config8(smbus_dev, 0x40, reg); - - /* Configure pads to be used for SMBus */ - score_select_func(PCU_SMB_CLK_PAD, 1); - score_select_func(PCU_SMB_DATA_PAD, 1); -} - -static void ABI_X86 send_to_console(unsigned char b) -{ - do_putchar(b); -} - -static void print_dram_info(void) -{ - const int mrc_ver_reg = 0xf0; - const uint32_t soc_dev = PCI_DEV(0, SOC_DEV, SOC_FUNC); - uint32_t reg; - int num_channels; - int speed; - uint32_t ch0; - uint32_t ch1; - - reg = pci_read_config32(soc_dev, mrc_ver_reg); - - printk(BIOS_INFO, "MRC v%d.%02d\n", (reg >> 8) & 0xff, reg & 0xff); - - /* Number of channels enabled and DDR3 type. Determine number of - * channels by keying of the rank enable bits [3:0]. * */ - ch0 = iosf_dunit_ch0_read(DRP); - ch1 = iosf_dunit_ch1_read(DRP); - num_channels = 0; - if (ch0 & DRP_RANK_MASK) - num_channels++; - if (ch1 & DRP_RANK_MASK) - num_channels++; - - printk(BIOS_INFO, "%d channels of %sDDR3 @ ", num_channels, - (reg & (1 << 22)) ? "LP" : ""); - - /* DRAM frequency -- all channels run at same frequency. */ - reg = iosf_dunit_read(DTR0); - switch (reg & 0x3) { - case 0: - speed = 800; break; - case 1: - speed = 1066; break; - case 2: - speed = 1333; break; - case 3: - speed = 1600; break; - } - printk(BIOS_INFO, "%dMHz\n", speed); -} - -void raminit(struct mrc_params *mp, int prev_sleep_state) -{ - int ret; - mrc_wrapper_entry_t mrc_entry; - const struct mrc_saved_data *cache; - - /* Fill in default entries. */ - mp->version = MRC_PARAMS_VER; - mp->console_out = &send_to_console; - mp->prev_sleep_state = prev_sleep_state; - mp->rmt_enabled = IS_ENABLED(CONFIG_MRC_RMT); - - /* Default to 2GiB IO hole. */ - if (!mp->io_hole_mb) - mp->io_hole_mb = 2048; - - if (recovery_mode_enabled()) { - printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n"); - } else if (!mrc_cache_get_current(&cache)) { - mp->saved_data_size = cache->size; - mp->saved_data = &cache->data[0]; - } else if (prev_sleep_state == 3) { - /* If waking from S3 and no cache then. */ - printk(BIOS_DEBUG, "No MRC cache found in S3 resume path.\n"); - post_code(POST_RESUME_FAILURE); - reset_system(); - } else { - printk(BIOS_DEBUG, "No MRC cache found.\n"); -#if CONFIG_EC_GOOGLE_CHROMEEC - if (prev_sleep_state == 0) { - /* Ensure EC is running RO firmware. */ - google_chromeec_check_ec_image(EC_IMAGE_RO); - } -#endif - } - - /* Determine if mrc.bin is in the cbfs. */ - if (cbfs_boot_map_with_leak("mrc.bin", CBFS_TYPE_MRC, NULL) == NULL) { - printk(BIOS_DEBUG, "Couldn't find mrc.bin\n"); - return; - } - - /* - * The entry point is currently the first instruction. Handle the - * case of an ELF file being put in the cbfs by setting the entry - * to the CONFIG_MRC_BIN_ADDRESS. - */ - mrc_entry = (void *)(uintptr_t)CONFIG_MRC_BIN_ADDRESS; - - if (mp->mainboard.dram_info_location == DRAM_INFO_SPD_SMBUS) - enable_smbus(); - - ret = mrc_entry(mp); - - print_dram_info(); - - if (prev_sleep_state != 3) { - cbmem_initialize_empty(); - } else if (cbmem_initialize()) { - #if CONFIG_HAVE_ACPI_RESUME - printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n"); - /* Failed S3 resume, reset to come up cleanly */ - reset_system(); - #endif - } - - printk(BIOS_DEBUG, "MRC Wrapper returned %d\n", ret); - printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", mp->data_to_save, - mp->data_to_save_size); - - if (mp->data_to_save != NULL && mp->data_to_save_size > 0) - mrc_cache_stash_data(mp->data_to_save, mp->data_to_save_size); -} |