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authorAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 13:20:26 -0700
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 22:23:24 +0000
commitfb50124d22014742b6990a95df87a7a828e891b6 (patch)
tree2de7958eedfd8b2ce34f148af251ad6ce13930e4 /src/southbridge/intel/fsp_bd82x6x/early_me.c
parentecf2eb463faff04ab6061eb5dfd8da26c5026a97 (diff)
Remove sandybridge and ivybridge FSP code path
We already have two other code paths for this silicon. Maintaining the FSP path as well doesn't make much sense. There was only one board to use this code, and it's a reference board that I doubt anyone still owns or uses. Change-Id: I4fcfa6c56448416624fd26418df19b354eb72f39 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/11789 Tested-by: build bot (Jenkins) Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Diffstat (limited to 'src/southbridge/intel/fsp_bd82x6x/early_me.c')
-rw-r--r--src/southbridge/intel/fsp_bd82x6x/early_me.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/src/southbridge/intel/fsp_bd82x6x/early_me.c b/src/southbridge/intel/fsp_bd82x6x/early_me.c
deleted file mode 100644
index b7dbf3439f..0000000000
--- a/src/southbridge/intel/fsp_bd82x6x/early_me.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
- *
- * 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 <arch/io.h>
-#include <console/console.h>
-#include <delay.h>
-#include <device/pci_ids.h>
-#include <halt.h>
-#include <string.h>
-#include "me.h"
-#include "pch.h"
-
-static const char *me_ack_values[] = {
- [ME_HFS_ACK_NO_DID] = "No DID Ack received",
- [ME_HFS_ACK_RESET] = "Non-power cycle reset",
- [ME_HFS_ACK_PWR_CYCLE] = "Power cycle reset",
- [ME_HFS_ACK_S3] = "Go to S3",
- [ME_HFS_ACK_S4] = "Go to S4",
- [ME_HFS_ACK_S5] = "Go to S5",
- [ME_HFS_ACK_GBL_RESET] = "Global Reset",
- [ME_HFS_ACK_CONTINUE] = "Continue to boot"
-};
-
-static inline void pci_read_dword_ptr(void *ptr, int offset)
-{
- u32 dword = pci_read_config32(PCH_ME_DEV, offset);
- memcpy(ptr, &dword, sizeof(dword));
-}
-
-static inline void pci_write_dword_ptr(void *ptr, int offset)
-{
- u32 dword = 0;
- memcpy(&dword, ptr, sizeof(dword));
- pci_write_config32(PCH_ME_DEV, offset, dword);
-}
-
-void intel_early_me_status(void)
-{
- struct me_hfs hfs;
- struct me_gmes gmes;
-
- pci_read_dword_ptr(&hfs, PCI_ME_HFS);
- pci_read_dword_ptr(&gmes, PCI_ME_GMES);
-
- intel_me_status(&hfs, &gmes);
-}
-
-int intel_early_me_init(void)
-{
- int count;
- struct me_uma uma;
- struct me_hfs hfs;
-
- printk(BIOS_INFO, "Intel ME early init\n");
-
- /* Wait for ME UMA SIZE VALID bit to be set */
- for (count = ME_RETRY; count > 0; --count) {
- pci_read_dword_ptr(&uma, PCI_ME_UMA);
- if (uma.valid)
- break;
- udelay(ME_DELAY);
- }
- if (!count) {
- printk(BIOS_ERR, "ERROR: ME is not ready!\n");
- return -1;
- }
-
- /* Check for valid firmware */
- pci_read_dword_ptr(&hfs, PCI_ME_HFS);
- if (hfs.fpt_bad) {
- printk(BIOS_WARNING, "WARNING: ME has bad firmware\n");
- return -1;
- }
-
- printk(BIOS_INFO, "Intel ME firmware is ready\n");
- return 0;
-}
-
-int intel_early_me_uma_size(void)
-{
- struct me_uma uma;
-
- pci_read_dword_ptr(&uma, PCI_ME_UMA);
- if (uma.valid) {
- printk(BIOS_DEBUG, "ME: Requested %uMB UMA\n", uma.size);
- return uma.size;
- }
-
- printk(BIOS_DEBUG, "ME: Invalid UMA size\n");
- return 0;
-}
-
-static inline void set_global_reset(int enable)
-{
- u32 etr3 = pci_read_config32(PCH_LPC_DEV, ETR3);
-
- /* Clear CF9 Without Resume Well Reset Enable */
- etr3 &= ~ETR3_CWORWRE;
-
- /* CF9GR indicates a Global Reset */
- if (enable)
- etr3 |= ETR3_CF9GR;
- else
- etr3 &= ~ETR3_CF9GR;
-
- pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
-}
-
-int intel_early_me_init_done(u8 status)
-{
- u8 reset;
- int count;
- u32 mebase_l, mebase_h;
- struct me_hfs hfs;
- struct me_did did = {
- .init_done = ME_INIT_DONE,
- .status = status
- };
-
- /* MEBASE from MESEG_BASE[35:20] */
- mebase_l = pci_read_config32(PCI_CPU_DEVICE, PCI_CPU_MEBASE_L);
- mebase_h = pci_read_config32(PCI_CPU_DEVICE, PCI_CPU_MEBASE_H) & 0xf;
- did.uma_base = (mebase_l >> 20) | (mebase_h << 12);
-
- /* Send message to ME */
- printk(BIOS_DEBUG, "ME: Sending Init Done with status: %d, "
- "UMA base: 0x%04x\n", status, did.uma_base);
-
- pci_write_dword_ptr(&did, PCI_ME_H_GS);
-
- /* Must wait for ME acknowledgement */
- for (count = ME_RETRY; count > 0; --count) {
- pci_read_dword_ptr(&hfs, PCI_ME_HFS);
- if (hfs.bios_msg_ack)
- break;
- udelay(ME_DELAY);
- }
- if (!count) {
- printk(BIOS_ERR, "ERROR: ME failed to respond\n");
- return -1;
- }
-
- /* Return the requested BIOS action */
- printk(BIOS_NOTICE, "ME: Requested BIOS Action: %s\n",
- me_ack_values[hfs.ack_data]);
-
- /* Check status after acknowledgement */
- intel_early_me_status();
-
- reset = 0;
- switch (hfs.ack_data) {
- case ME_HFS_ACK_CONTINUE:
- /* Continue to boot */
- return 0;
- case ME_HFS_ACK_RESET:
- /* Non-power cycle reset */
- set_global_reset(0);
- reset = 0x06;
- break;
- case ME_HFS_ACK_PWR_CYCLE:
- /* Power cycle reset */
- set_global_reset(0);
- reset = 0x0e;
- break;
- case ME_HFS_ACK_GBL_RESET:
- /* Global reset */
- set_global_reset(1);
- reset = 0x0e;
- break;
- case ME_HFS_ACK_S3:
- case ME_HFS_ACK_S4:
- case ME_HFS_ACK_S5:
- break;
- }
-
- /* Perform the requested reset */
- if (reset) {
- outb(reset, 0xcf9);
- halt();
- }
- return -1;
-}