From d9802111122d6273c711eccd352d29d7f34ba4e2 Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Tue, 19 Nov 2019 18:46:44 +0100 Subject: soc/intel/fsp_baytrail: Drop support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are now mandatory features, which this platform lacks. Change-Id: I0b0344f1ebed12207a77c985f27893a1353c0925 Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/c/coreboot/+/36982 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki Reviewed-by: Angel Pons Reviewed-by: HAOUAS Elyes Reviewed-by: David Hendricks --- src/soc/intel/fsp_baytrail/bootblock/bootblock.c | 126 ----------------------- 1 file changed, 126 deletions(-) delete mode 100644 src/soc/intel/fsp_baytrail/bootblock/bootblock.c (limited to 'src/soc/intel/fsp_baytrail/bootblock/bootblock.c') diff --git a/src/soc/intel/fsp_baytrail/bootblock/bootblock.c b/src/soc/intel/fsp_baytrail/bootblock/bootblock.c deleted file mode 100644 index 5351a0162f..0000000000 --- a/src/soc/intel/fsp_baytrail/bootblock/bootblock.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* - * check for a warm reset and do a hard reset instead. - */ -static void check_for_warm_reset(void) -{ - - /* - * Check if INIT# is asserted by port 0xCF9 and whether RCBA has been set. - * If either is true, then this is a warm reset so execute a Hard Reset - */ - if ((inb(0xcf9) == 0x04) || - (pci_io_read_config32(LPC_BDF, RCBA) & RCBA_ENABLE)) { - outb(0x00, 0xcf9); - outb(0x06, 0xcf9); - } -} - -static void set_var_mtrr(int reg, uint32_t base, uint32_t size, int type) -{ - msr_t basem, maskm; - basem.lo = base | type; - basem.hi = 0; - wrmsr(MTRR_PHYS_BASE(reg), basem); - maskm.lo = ~(size - 1) | MTRR_PHYS_MASK_VALID; - maskm.hi = (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1; - wrmsr(MTRR_PHYS_MASK(reg), maskm); -} - -/* - * Enable Prefetching and Caching. - */ -static void enable_spi_prefetch(void) -{ - u32 *bcr = (u32 *)(SPI_BASE_ADDRESS + BCR); - /* Enable caching and prefetching in the SPI controller. */ - write32(bcr, (read32(bcr) & ~SRC_MASK) | SRC_CACHE_PREFETCH); -} - -static void enable_rom_caching(void) -{ - msr_t msr; - - disable_cache(); - set_var_mtrr(1, CACHE_ROM_BASE, CACHE_ROM_SIZE, MTRR_TYPE_WRPROT); - enable_cache(); - - /* Enable Variable MTRRs */ - msr.hi = 0x00000000; - msr.lo = 0x00000800; - wrmsr(MTRR_DEF_TYPE_MSR, msr); -} - -static void setup_mmconfig(void) -{ - uint32_t reg; - - /* Set up the MMCONF range. The register lives in the BUNIT. The - * IO variant of the config access needs to be used initially to - * properly configure as the IOSF access registers live in PCI - * config space. */ - reg = 0; - /* Clear the extended register. */ - pci_io_write_config32(IOSF_PCI_DEV, MCRX_REG, reg); - reg = CONFIG_MMCONF_BASE_ADDRESS | 1; - pci_io_write_config32(IOSF_PCI_DEV, MDR_REG, reg); - reg = IOSF_OPCODE(IOSF_OP_WRITE_BUNIT) | IOSF_PORT(IOSF_PORT_BUNIT) | - IOSF_REG(BUNIT_MMCONF_REG) | IOSF_BYTE_EN; - pci_io_write_config32(IOSF_PCI_DEV, MCR_REG, reg); -} - -static const uint8_t lpc_pads[12] = { - 70, 68, 67, 66, 69, 71, 65, 72, 86, 90, 88, 92, -}; - -static void set_up_lpc_pads(void) -{ - uint32_t reg = IO_BASE_ADDRESS | SET_BAR_ENABLE; - pci_write_config32(LPC_BDF, IOBASE, reg); - - for (reg = 0; reg < 12; reg++) - score_select_func(lpc_pads[reg], 1); -} - -static void bootblock_cpu_init(void) -{ - check_for_warm_reset(); - - /* Load microcode before any caching. */ - intel_update_microcode_from_cbfs(); - - /* Allow memory-mapped PCI config access. */ - setup_mmconfig(); - enable_rom_caching(); - enable_spi_prefetch(); - set_up_lpc_pads(); -} -- cgit v1.2.3