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authorArthur Heymans <arthur@aheymans.xyz>2019-11-19 18:46:44 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-11-21 06:41:09 +0000
commitd9802111122d6273c711eccd352d29d7f34ba4e2 (patch)
treec98f9aff4f07069b4fa72f74dcba48cf06514a70 /src/soc/intel/fsp_baytrail/bootblock/bootblock.c
parenteb5147027e974ba365aa4706935c7c9582cf7619 (diff)
downloadcoreboot-d9802111122d6273c711eccd352d29d7f34ba4e2.tar.xz
soc/intel/fsp_baytrail: Drop support
Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are now mandatory features, which this platform lacks. Change-Id: I0b0344f1ebed12207a77c985f27893a1353c0925 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36982 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'src/soc/intel/fsp_baytrail/bootblock/bootblock.c')
-rw-r--r--src/soc/intel/fsp_baytrail/bootblock/bootblock.c126
1 files changed, 0 insertions, 126 deletions
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 <arch/io.h>
-#include <device/mmio.h>
-#include <device/pci_ops.h>
-#include <cpu/x86/cache.h>
-#include <cpu/x86/msr.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/intel/microcode/microcode.c>
-#include <soc/iosf.h>
-#include <soc/pci_devs.h>
-#include <soc/spi.h>
-#include <soc/iomap.h>
-#include <soc/lpc.h>
-#include <soc/gpio.h>
-
-/*
- * 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();
-}