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authorLee Leahy <leroy.p.leahy@intel.com>2015-04-20 15:20:28 -0700
committerLeroy P Leahy <leroy.p.leahy@intel.com>2015-06-25 21:50:48 +0200
commit32471729d9ebbabe809711ec55568925c6ce2070 (patch)
treeb9f6db4e4969ee5edd6c2571e4f7612121070a9f /src/soc/intel/braswell/xhci.c
parent5fe62efb77a2ecfeecdcc526404712b816e74693 (diff)
Braswell: Add Braswell SOC support
Add the files to support the Braswell SOC. BRANCH=none BUG=None TEST=Build for a Braswell platform Change-Id: I968da68733e57647d0a08e4040ff0378b4d59004 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/10051 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/braswell/xhci.c')
-rw-r--r--src/soc/intel/braswell/xhci.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/src/soc/intel/braswell/xhci.c b/src/soc/intel/braswell/xhci.c
deleted file mode 100644
index 69399ef5b5..0000000000
--- a/src/soc/intel/braswell/xhci.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 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.
- */
-
-#include <arch/acpi.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <stdint.h>
-#include <reg_script.h>
-
-#include <soc/iomap.h>
-#include <soc/iosf.h>
-#include <soc/lpc.h>
-#include <soc/pattrs.h>
-#include <soc/pci_devs.h>
-#include <soc/pmc.h>
-#include <soc/ramstage.h>
-#include <soc/xhci.h>
-
-#include "chip.h"
-
-struct reg_script usb3_phy_script[] = {
- /* USB3PHYInit() */
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_PLL_CONTROL,
- ~0x00700000, 0x00500000),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_VCO_START_CAL_POINT,
- ~0x001f0000, 0x000A0000),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CCDRLF,
- ~0x0000000f, 0x0000000b),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_PEAKING_AMP_CONFIG_DIAG,
- ~0x000000f0, 0x000000f0),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_OFFSET_COR_CONFIG_DIAG,
- ~0x000001c0, 0x00000000),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_VGA_GAIN_CONFIG_DIAG,
- ~0x00000070, 0x00000020),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_REE_DAC_CONTROL,
- ~0x00000002, 0x00000002),
- REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_U1_POWER_STATE_DEF,
- ~0x00000000, 0x00040000),
- REG_SCRIPT_END
-};
-
-const struct reg_script xhci_init_script[] = {
- /* CommonXhciHcInit() */
- /* BAR + 0x0c[31:16] = 0x0200 */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x000c, 0x0000ffff, 0x02000000),
- /* BAR + 0x0c[7:0] = 0x0a */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x000c, 0xffffff00, 0x0000000a),
- /* BAR + 0x8094[23,21,14]=111b */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8094, 0x00a04000),
- /* BAR + 0x8110[20,11,8,2]=1100b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8110, ~0x00000104, 0x00100800),
- /* BAR + 0x8144[8,7,6]=111b */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8144, 0x000001c0),
- /* BAR + 0x8154[21,13,3]=010b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8154, ~0x00200008, 0x80002000),
- /* BAR + 0x816c[19:0]=1110x100000000111100b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x816c, 0xfff08000, 0x000e0030),
- /* BAR + 0x8188[26,24]=11b */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8188, 0x05000000),
- /* BAR + 0x8174=0x1000c0a*/
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8174, 0xfe000000, 0x01000c0a),
- /* BAR + 0x854c[29]=0b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x854c, ~0x20000000, 0),
- /* BAR + 0x8178[12:0]=0b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8178, ~0xffffe000, 0),
- /* BAR + 0x8164[7:0]=0xff */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8164, 0x000000ff),
- /* BAR + 0x0010[10,9,5]=110b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x0010, ~0x00000020, 0x00000600),
- /* BAR + 0x8058[20,16,8]=110b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8058, ~0x00000100, 0x00110000),
- /* BAR + 0x8060[25]=1b */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8060, 0x02000000),
- /* BAR + 0x80f0[20]=0b */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80f0, ~0x00100000, 0),
- /* BAR + 0x8008[19]=1b (to enable LPM) */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x8008, 0x00080000),
- /* BAR + 0x80fc[25]=1b */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x80fc, 0x02000000),
- /* 0x40/0x44 are written as bytes to avoid touching bit31 */
- /* D20:F0:40[21,20,18,10,9,8]=111001b (don't write byte3) */
- REG_PCI_RMW8(0x41, ~0x06, 0x01),
- /* Except [21,20,19,18]=0001b USB wake W/A is disable IIL1E */
- REG_PCI_RMW8(0x42, 0x3c, 0x04),
- /* D20:F0:44[19:14,10,9,7,3:0]=1 (don't write byte3) */
- REG_PCI_RMW8(0x44, 0x00, 0x8f),
- REG_PCI_RMW8(0x45, ~0xcf, 0xc6),
- REG_PCI_RMW8(0x46, ~0x0f, 0x0f),
- /* BAR + 0x8140 = 0xff00f03c */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x8140, 0, 0xff00f03c),
- REG_SCRIPT_END
-};
-
-const struct reg_script xhci_init_boot_script[] = {
- /* Setup USB3 phy */
- REG_SCRIPT_NEXT(usb3_phy_script),
- /* Initialize host controller */
- REG_SCRIPT_NEXT(xhci_init_script),
- /* BAR + 0x80e0[16,9,6]=001b, toggle bit 24=1 */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x00010200, 0x01000040),
- /* BAR + 0x80e0 toggle bit 24=0 */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x01000000, 0),
- REG_SCRIPT_END
-};
-
-const struct reg_script xhci_init_resume_script[] = {
- /* Setup USB3 phy */
- REG_SCRIPT_NEXT(usb3_phy_script),
- /* Initialize host controller */
- REG_SCRIPT_NEXT(xhci_init_script),
- /* BAR + 0x80e0[16,9,6]=001b, leave bit 24=0 to prevent HC reset */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x01010200, 0x00000040),
- REG_SCRIPT_END
-};
-
-const struct reg_script xhci_clock_gating_script[] = {
- /* ConfigureXhciClockGating() */
- /* D20:F0:40[21:19,18,10:8]=000,1,001 (don't write byte 3) */
- REG_PCI_RMW16(0x40, ~0x0600, 0x0100),
- REG_PCI_RMW8(0x42, ~0x38, 0x04),
- /* D20:F0:44[5:3]=001b */
- REG_PCI_RMW16(0x44, ~0x0030, 0x0008),
- /* D20:F0:A0[19:18]=01b */
- REG_PCI_RMW32(0xa0, ~0x00080000, 0x00040000),
- /* D20:F0:A4[15:0]=0x00 */
- REG_PCI_WRITE16(0xa4, 0x0000),
- /* D20:F0:B0[21:17,14:13]=0000000b */
- REG_PCI_RMW32(0xb0, ~0x00376000, 0x00000000),
- /* D20:F0:50[31:0]=0x0bce6e5f */
- REG_PCI_WRITE32(0x50, 0x0bce6e5f),
- REG_SCRIPT_END
-};
-
-/* Warm Reset a USB3 port */
-static void xhci_reset_port_usb3(device_t dev, int port)
-{
- struct reg_script reset_port_usb3_script[] = {
- /* Issue Warm Port Rest to the port */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
- XHCI_USB3_PORTSC_WPR),
- /* Wait up to 100ms for it to complete */
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
- XHCI_USB3_PORTSC_WRC, XHCI_USB3_PORTSC_WRC,
- XHCI_RESET_TIMEOUT),
- /* Clear change status bits, do not set PED */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
- ~XHCI_USB3_PORTSC_PED, XHCI_USB3_PORTSC_CHST),
- REG_SCRIPT_END
- };
- reg_script_run_on_dev(dev, reset_port_usb3_script);
-}
-
-/* Prepare ports to be routed to EHCI or XHCI */
-static void xhci_route_all(device_t dev)
-{
- static const struct reg_script xhci_route_all_script[] = {
- /* USB3 SuperSpeed Enable */
- REG_PCI_WRITE32(XHCI_USB3PR, BYTM_USB3_PORT_MAP),
- /* USB2 Port Route to XHCI */
- REG_PCI_WRITE32(XHCI_USB2PR, BYTM_USB2_PORT_MAP),
- REG_SCRIPT_END
- };
- u32 port_disabled;
- int port;
-
- printk(BIOS_INFO, "USB: Route ports to XHCI controller\n");
-
- /* Route ports to XHCI controller */
- reg_script_run_on_dev(dev, xhci_route_all_script);
-
- if (acpi_is_wakeup_s3())
- return;
-
- /* Reset enabled USB3 ports */
- port_disabled = pci_read_config32(dev, XHCI_USB3PDO);
- for (port = 0; port < BYTM_USB3_PORT_COUNT; port++) {
- if (port_disabled & (1 << port))
- continue;
- xhci_reset_port_usb3(dev, port);
- }
-}
-
-static void xhci_init(device_t dev)
-{
- struct soc_intel_baytrail_config *config = dev->chip_info;
- struct reg_script xhci_hc_init[] = {
- /* Initialize clock gating */
- REG_SCRIPT_NEXT(xhci_clock_gating_script),
- /* Finalize XHCC1 and XHCC2 */
- REG_PCI_RMW32(0x44, ~0x00000000, 0x83c00000),
- REG_PCI_RMW32(0x40, ~0x00800000, 0x80000000),
- /* Set USB2 Port Routing Mask */
- REG_PCI_WRITE32(XHCI_USB2PRM, BYTM_USB2_PORT_MAP),
- /* Set USB3 Port Routing Mask */
- REG_PCI_WRITE32(XHCI_USB3PRM, BYTM_USB3_PORT_MAP),
- /*
- * Disable ports if requested
- */
- /* Open per-port disable control override */
- REG_IO_RMW16(ACPI_BASE_ADDRESS + UPRWC, ~0, UPRWC_WR_EN),
- REG_PCI_WRITE32(XHCI_USB2PDO, config->usb2_port_disable_mask),
- REG_PCI_WRITE32(XHCI_USB3PDO, config->usb3_port_disable_mask),
- /* Close per-port disable control override */
- REG_IO_RMW16(ACPI_BASE_ADDRESS + UPRWC, ~UPRWC_WR_EN, 0),
- REG_SCRIPT_END
- };
-
- /* Initialize XHCI controller for boot or resume path */
- if (acpi_is_wakeup_s3())
- reg_script_run_on_dev(dev, xhci_init_resume_script);
- else
- reg_script_run_on_dev(dev, xhci_init_boot_script);
-
- /* C0 steppings change iCLK/USB PLL VCO settings from 5 to 7 */
- if (pattrs_get()->stepping == STEP_C0) {
- uint32_t reg = iosf_ushphy_read(USHPHY_CDN_PLL_CONTROL);
- reg |= 0x00700000;
- iosf_ushphy_write(USHPHY_CDN_PLL_CONTROL, reg);
- }
-
- /* Finalize Initialization */
- reg_script_run_on_dev(dev, xhci_hc_init);
-
- /* Route all ports to XHCI if requested */
- if (config->usb_route_to_xhci)
- xhci_route_all(dev);
-}
-
-static struct device_operations xhci_device_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = xhci_init,
- .ops_pci = &soc_pci_ops,
-};
-
-static const struct pci_driver baytrail_xhci __pci_driver = {
- .ops = &xhci_device_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .device = XHCI_DEVID
-};