[coreboot-gerrit] Patch set updated for coreboot: soc/intel/apollolake: Use intel/common/xhci driver

Subrata Banik (subrata.banik@intel.com) gerrit at coreboot.org
Thu Feb 9 18:42:49 CET 2017


Subrata Banik (subrata.banik at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18222

-gerrit

commit 10f335651fbb9df288ca20dc228913db407193d8
Author: Subrata Banik <subrata.banik at intel.com>
Date:   Tue Jan 24 18:54:58 2017 +0530

    soc/intel/apollolake: Use intel/common/xhci driver
    
    Change-Id: If161b1e11041ea7a380222ba555f14cd114de617
    Signed-off-by: Subrata Banik <subrata.banik at intel.com>
---
 src/soc/intel/apollolake/Kconfig      |   1 +
 src/soc/intel/apollolake/Makefile.inc |   2 +-
 src/soc/intel/apollolake/xhci.c       | 105 ----------------------------------
 3 files changed, 2 insertions(+), 106 deletions(-)

diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index b37cde6..afd617e 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -53,6 +53,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_LPSS_I2C
 	select SOC_INTEL_COMMON_SMI
 	select SOC_INTEL_COMMON_SPI_FLASH_PROTECT
+	select SOC_INTEL_XHCI_DRIVER
 	select UDELAY_TSC
 	select TSC_CONSTANT_RATE
 	select TSC_MONOTONIC_TIMER
diff --git a/src/soc/intel/apollolake/Makefile.inc b/src/soc/intel/apollolake/Makefile.inc
index 5a65f43..1284708 100644
--- a/src/soc/intel/apollolake/Makefile.inc
+++ b/src/soc/intel/apollolake/Makefile.inc
@@ -7,6 +7,7 @@ subdirs-y += ../../../cpu/x86/mtrr
 subdirs-y += ../../../cpu/x86/smm
 subdirs-y += ../../../cpu/x86/tsc
 subdirs-y += ../../../cpu/x86/cache
+subdirs-y += ../common/block/*
 
 bootblock-y += bootblock/bootblock.c
 bootblock-y += bootblock/bootblock.c
@@ -82,7 +83,6 @@ ramstage-y += reset.c
 ramstage-y += smi.c
 ramstage-y += sram.c
 ramstage-y += spi.c
-ramstage-y += xhci.c
 
 postcar-y += flash_ctrlr.c
 postcar-y += memmap.c
diff --git a/src/soc/intel/apollolake/xhci.c b/src/soc/intel/apollolake/xhci.c
deleted file mode 100644
index 7b3cb46..0000000
--- a/src/soc/intel/apollolake/xhci.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2016 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.
- */
-
-#include <arch/io.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <soc/pci_devs.h>
-#include <soc/pci_ids.h>
-#include <timer.h>
-
-#define DUAL_ROLE_CFG0		0x80d8
-# define DRD_CONFIG_MASK	(0x3 << 0)
-# define DRD_CONFIG_DYNAMIC	(0x0 << 0)
-# define DRD_CONFIG_HOST	(0x1 << 0)
-# define DRD_CONFIG_DEVICE	(0x2 << 0)
-# define SW_VBUS_VALID_MASK	(1 << 24)
-# define SW_VBUS_DEASSERT_VALID	(0 << 24)
-# define SW_VBUS_ASSERT_VALID	(1 << 24)
-# define SW_IDPIN_EN_MASK	(1 << 21)
-# define SW_IDPIN_DIS		(0 << 21)
-# define SW_IDPIN_EN		(1 << 21)
-# define SW_IDPIN_MASK		(1 << 20)
-# define SW_IDPIN_HOST		(0 << 20)
-# define SW_IDPIN_DEVICE	(1 << 20)
-#define DUAL_ROLE_CFG1		0x80dc
-# define DRD_MODE_MASK		(1 << 29)
-# define DRD_MODE_DEVICE	(0 << 29)
-# define DRD_MODE_HOST		(1 << 29)
-
-static void configure_host_mode_port0(struct device *dev)
-{
-	uint32_t *cfg0;
-	uint32_t *cfg1;
-	const struct resource *res;
-	uint32_t reg;
-	struct device *xdci_dev = XDCI_DEV;
-	struct stopwatch sw;
-
-	/*
-	 * Only default to host mode if the xdci device is present and
-	 * enabled. If it's disabled assume the switch was already done
-	 * in FSP.
-	 */
-	if (xdci_dev == NULL || !xdci_dev->enabled)
-		return;
-
-	printk(BIOS_INFO, "Putting port 0 into host mode.\n");
-
-	res = find_resource(dev, PCI_BASE_ADDRESS_0);
-
-	cfg0 = (void *)(uintptr_t)(res->base + DUAL_ROLE_CFG0);
-	cfg1 = (void *)(uintptr_t)(res->base + DUAL_ROLE_CFG1);
-
-	reg = read32(cfg0);
-	reg &= ~(DRD_CONFIG_MASK | SW_IDPIN_EN_MASK | SW_IDPIN_MASK);
-	reg &= ~(SW_VBUS_VALID_MASK);
-	reg |= DRD_CONFIG_DYNAMIC | SW_IDPIN_EN | SW_IDPIN_HOST;
-	reg |= SW_VBUS_DEASSERT_VALID;
-	write32(cfg0, reg);
-
-	stopwatch_init_msecs_expire(&sw, 10);
-
-	/* Wait for the host mode status bit. */
-	while ((read32(cfg1) & DRD_MODE_MASK) != DRD_MODE_HOST) {
-		if (stopwatch_expired(&sw)) {
-			printk(BIOS_INFO, "Timed out waiting for host mode.\n");
-			break;
-		}
-	}
-
-	printk(BIOS_INFO, "XHCI port 0 host switch over took %lu ms\n",
-		stopwatch_duration_msecs(&sw));
-}
-
-static void xhci_init(struct device *dev)
-{
-	configure_host_mode_port0(dev);
-}
-
-static const struct device_operations device_ops = {
-	.read_resources		= pci_dev_read_resources,
-	.set_resources		= pci_dev_set_resources,
-	.enable_resources	= pci_dev_enable_resources,
-	.init			= xhci_init,
-};
-
-static const struct pci_driver pmc __pci_driver = {
-	.ops	= &device_ops,
-	.vendor	= PCI_VENDOR_ID_INTEL,
-	.device	= PCI_DEVICE_ID_APOLLOLAKE_XHCI,
-};



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