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authorDuncan Laurie <dlaurie@chromium.org>2014-05-05 12:42:35 -0500
committerMarc Jones <marc.jones@se-eng.com>2014-10-22 03:47:10 +0200
commit61680274c1ded5ea095b15b689f83d5d670d2aae (patch)
tree319efef1d3ab9c41b7fca274cd80827f0d8136f1 /src/soc/intel/broadwell/usbdebug.c
parente256295218266325a77e8b6a207e71bedd9a9359 (diff)
downloadcoreboot-61680274c1ded5ea095b15b689f83d5d670d2aae.tar.xz
broadwell: ACPI, romstage, and other updates
broadwell: Add romstage usbdebug support Reviewed-on: https://chromium-review.googlesource.com/199412 (cherry picked from commit 1050e7d3be6ec1e4fe5aa2df408f4bb6d33a42b5) broadwell: Add romstage code to configure PCH UART for console Reviewed-on: https://chromium-review.googlesource.com/199807 (cherry picked from commit ecebda4eb5d6fe58473d25c2898ba1a2eac0f39a) broadwell: Expand the PCI device convenience macros Reviewed-on: https://chromium-review.googlesource.com/199891 (cherry picked from commit f8c54c70f136cd2cb8f977bc25661974d7e529ad) broadwell: Add ramstage driver for ADSP Reviewed-on: https://chromium-review.googlesource.com/199892 (cherry picked from commit e8e986b0ba52bbfc9923d71009fbd31e749ca43f) broadwell: Update ACPI devices Reviewed-on: https://chromium-review.googlesource.com/201080 (cherry picked from commit 2446b35578eb36e0009415bec340059135751549) broadwell: Reserve DPR region Reviewed-on: https://chromium-review.googlesource.com/201081 (cherry picked from commit 8ecd9d2096db2bded6f27ef6ee9a9b39ce2dfec6) broadwell: Remove old pei_data and add cpu function for romstage Reviewed-on: https://chromium-review.googlesource.com/201690 (cherry picked from commit d206c9cdd69519d502a90bb0595f0e3a7cb50274) broadwell: Fixes for graphics without executing VBIOS Reviewed-on: https://chromium-review.googlesource.com/202356 (cherry picked from commit 0c031df1ce92c875e95ddfd3f026f649c342c7fa) broadwell: Fix compilation failure when loglevel is lowered Reviewed-on: https://chromium-review.googlesource.com/202357 (cherry picked from commit 708ce78b2bfae5664b1238e17b086c88cac55bdc) broadwell: Disable GPIO controller interrupt Reviewed-on: https://chromium-review.googlesource.com/203645 (cherry picked from commit 2d17e98eded5958258ba5c0abf600284d8d03af9) broadwell: Add support for E0 stepping Reviewed-on: https://chromium-review.googlesource.com/205160 (cherry picked from commit 802e9d371418cc7a7fc7af131d7e5dda0ae5b273) broadwell: misc updates for CPU driver Reviewed-on: https://chromium-review.googlesource.com/205161 (cherry picked from commit ea1d403817ee193648f2c119fd45894e32e57e97) broadwell: Read power state earlier and store in romstage params Reviewed-on: https://chromium-review.googlesource.com/208151 (cherry picked from commit b2198d71084ad3c1360a0bfedc46c8dd3825bd0e) broadwell: Add parameters to pei_data structure Reviewed-on: https://chromium-review.googlesource.com/208153 (cherry picked from commit 423fbf67e497a907fbc8e12caf2929d4951858af) broadwell: Move platform report output after power state is read Reviewed-on: https://chromium-review.googlesource.com/208213 (cherry picked from commit acedf4146bf9377133433046dae1fa9c8bc69d78) Squashed 15 commits for broadwell support. Change-Id: I87e320d3d5376b84dd9c146b0b833e5ce53244aa Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6982 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Diffstat (limited to 'src/soc/intel/broadwell/usbdebug.c')
-rw-r--r--src/soc/intel/broadwell/usbdebug.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/usbdebug.c b/src/soc/intel/broadwell/usbdebug.c
new file mode 100644
index 0000000000..d462e89f90
--- /dev/null
+++ b/src/soc/intel/broadwell/usbdebug.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <usbdebug.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <broadwell/pci_devs.h>
+
+void set_debug_port(unsigned int port)
+{
+ /* Hardcoded to physical port 1 */
+}
+
+void enable_usbdebug(unsigned int port)
+{
+ u32 tmp32;
+
+ tmp32 = pci_read_config32(PCH_DEV_EHCI, PCI_VENDOR_ID);
+ if (tmp32 == 0xffffffff || tmp32 == 0)
+ return;
+
+ /* Set the EHCI BAR address. */
+ pci_write_config32(PCH_DEV_EHCI, EHCI_BAR_INDEX, CONFIG_EHCI_BAR);
+
+ /* Enable access to the EHCI memory space registers. */
+ pci_write_config8(PCH_DEV_EHCI, PCI_COMMAND, PCI_COMMAND_MEMORY);
+
+ /* Force ownership of the Debug Port to the EHCI controller. */
+ tmp32 = read32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET);
+ tmp32 |= (1 << 30);
+ write32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET, tmp32);
+}