| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 Google Inc. |
| * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC. |
| * |
| * 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. |
| */ |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <lib.h> |
| #include <timestamp.h> |
| #include <arch/io.h> |
| #include <device/mmio.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_def.h> |
| #include <cpu/x86/lapic.h> |
| #include <cbmem.h> |
| #include <console/console.h> |
| #include <console/usb.h> |
| #include <drivers/intel/fsp1_0/fsp_util.h> |
| #include <program_loading.h> |
| #include <northbridge/intel/fsp_rangeley/northbridge.h> |
| #include "southbridge/intel/fsp_rangeley/soc.h" |
| #include "southbridge/intel/fsp_rangeley/gpio.h" |
| #include "southbridge/intel/fsp_rangeley/romstage.h" |
| #include <cpu/x86/msr.h> |
| #include "gpio.h" |
| |
| void main(FSP_INFO_HEADER *fsp_info_header) |
| { |
| uint32_t fd_mask = 0; |
| uint32_t *func_dis = (uint32_t *)(DEFAULT_PBASE + PBASE_FUNC_DIS); |
| |
| /* |
| * Do not use the Serial Console before it is setup. |
| * This causes the I/O to clog and a side effect is |
| * that the reset button stops functioning. So |
| * instead just use outb so it doesn't output to the |
| * console when CONFIG_CONSOLE_POST. |
| */ |
| outb(0x40, 0x80); |
| |
| timestamp_init(get_initial_timestamp()); |
| timestamp_add_now(TS_START_ROMSTAGE); |
| |
| /* Rangeley UART POR state is enabled */ |
| console_init(); |
| post_code(0x41); |
| |
| /* Enable GPIOs BAR */ |
| pci_write_config32(SOC_LPC_DEV, GBASE, DEFAULT_GPIOBASE|0x02); |
| |
| early_mainboard_romstage_entry(); |
| |
| post_code(0x42); |
| rangeley_sb_early_initialization(); |
| |
| post_code(0x46); |
| /* Program any required function disables */ |
| get_func_disables(&fd_mask); |
| |
| if (fd_mask != 0) { |
| write32(func_dis, read32(func_dis) | fd_mask); |
| /* Ensure posted write hits. */ |
| read32(func_dis); |
| } |
| |
| timestamp_add_now(TS_BEFORE_INITRAM); |
| |
| /* |
| * Call early init to initialize memory and chipset. This function returns |
| * to the romstage_main_continue function with a pointer to the HOB |
| * structure. |
| */ |
| post_code(0x47); |
| printk(BIOS_DEBUG, "Starting the Intel FSP (early_init)\n"); |
| fsp_early_init(fsp_info_header); |
| die("Uh Oh! fsp_early_init should not return here.\n"); |
| } |
| |
| /******************************************************************************* |
| * The FSP early_init function returns to this function. |
| * Memory is setup and the stack is set by the FSP. |
| */ |
| void romstage_main_continue(EFI_STATUS status, void *hob_list_ptr) { |
| int cbmem_was_initted; |
| void *cbmem_hob_ptr; |
| |
| timestamp_add_now(TS_AFTER_INITRAM); |
| |
| post_code(0x48); |
| printk(BIOS_DEBUG, "%s status: %x hob_list_ptr: %x\n", |
| __func__, (u32) status, (u32) hob_list_ptr); |
| |
| /* FSP reconfigures USB, so reinit it to have debug */ |
| if (IS_ENABLED(CONFIG_USBDEBUG_IN_PRE_RAM)) |
| usbdebug_hw_init(true); |
| |
| printk(BIOS_DEBUG, "FSP Status: 0x%0x\n", (u32)status); |
| |
| post_code(0x4b); |
| late_mainboard_romstage_entry(); |
| |
| post_code(0x4c); |
| |
| /* Decode E0000 and F0000 segment to DRAM */ |
| sideband_write(B_UNIT, BMISC, sideband_read(B_UNIT, BMISC) | (1 << 1) | (1 << 0)); |
| |
| quick_ram_check(); |
| post_code(0x4d); |
| |
| cbmem_was_initted = !cbmem_recovery(0); |
| |
| /* Save the HOB pointer in CBMEM to be used in ramstage*/ |
| cbmem_hob_ptr = cbmem_add(CBMEM_ID_HOB_POINTER, sizeof(*hob_list_ptr)); |
| if (cbmem_hob_ptr == NULL) |
| die("Could not allocate cbmem for HOB pointer"); |
| *(u32*)cbmem_hob_ptr = (u32)hob_list_ptr; |
| post_code(0x4e); |
| |
| post_code(0x4f); |
| |
| /* Load the ramstage. */ |
| run_ramstage(); |
| while (1); |
| } |
| |
| uint64_t get_initial_timestamp(void) |
| { |
| return 0; |
| } |