Merge branch 'master' of git://git.denx.de/u-boot-x86

10 files changed, 228 insertions, 83 deletions

diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 4ba5878..ed73687 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_MVEBU_MMC) += mvebu_mmc.o
 obj-$(CONFIG_MXC_MMC) += mxcmmc.o
 obj-$(CONFIG_MXS_MMC) += mxsmmc.o
 obj-$(CONFIG_OMAP_HSMMC) += omap_hsmmc.o
+obj-$(CONFIG_X86) += pci_mmc.o
 obj-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o
 obj-$(CONFIG_SUPPORT_EMMC_RPMB) += rpmb.o
 obj-$(CONFIG_S3C_SDI) += s3c_sdi.o
diff --git a/drivers/mmc/pci_mmc.c b/drivers/mmc/pci_mmc.c
new file mode 100644
index 0000000..37171bf
--- /dev/null
+++ b/drivers/mmc/pci_mmc.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2015, Google, Inc
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <malloc.h>
+#include <sdhci.h>
+#include <asm/pci.h>
+
+int pci_mmc_init(const char *name, struct pci_device_id *mmc_supported,
+		 int num_ids)
+{
+	struct sdhci_host *mmc_host;
+	pci_dev_t devbusfn;
+	u32 iobase;
+	int ret;
+	int i;
+
+	for (i = 0; i < num_ids; i++) {
+		devbusfn = pci_find_devices(mmc_supported, i);
+		if (devbusfn == -1)
+			return -ENODEV;
+
+		mmc_host = malloc(sizeof(struct sdhci_host));
+		if (!mmc_host)
+			return -ENOMEM;
+
+		mmc_host->name = (char *)name;
+		pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &iobase);
+		mmc_host->ioaddr = (void *)iobase;
+		mmc_host->quirks = 0;
+		ret = add_sdhci(mmc_host, 0, 0);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 950a247..e1296ca 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -15,6 +15,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <errno.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <pci.h>
@@ -236,6 +237,48 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
 	return -1;
 }
 
+pci_dev_t pci_find_class(uint find_class, int index)
+{
+	int bus;
+	int devnum;
+	pci_dev_t bdf;
+	uint32_t class;
+
+	for (bus = 0; bus <= pci_last_busno(); bus++) {
+		for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES - 1; devnum++) {
+			pci_read_config_dword(PCI_BDF(bus, devnum, 0),
+					      PCI_CLASS_REVISION, &class);
+			if (class >> 16 == 0xffff)
+				continue;
+
+			for (bdf = PCI_BDF(bus, devnum, 0);
+					bdf <= PCI_BDF(bus, devnum,
+						PCI_MAX_PCI_FUNCTIONS - 1);
+					bdf += PCI_BDF(0, 0, 1)) {
+				pci_read_config_dword(bdf, PCI_CLASS_REVISION,
+						      &class);
+				class >>= 8;
+
+				if (class != find_class)
+					continue;
+				/*
+				 * Decrement the index. We want to return the
+				 * correct device, so index is 0 for the first
+				 * matching device, 1 for the second, etc.
+				 */
+				if (index) {
+					index--;
+					continue;
+				}
+				/* Return index'th controller. */
+				return bdf;
+			}
+		}
+	}
+
+	return -ENODEV;
+}
+
 pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index)
 {
 	struct pci_device_id ids[2] = { {}, {0, 0} };
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 5729a15..48c0a77 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -228,11 +228,12 @@ int vbe_get_video_info(struct graphic_device *gdev)
 #endif
 }
 
-int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
+int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
 {
 	struct pci_rom_header *rom, *ram;
 	int vesa_mode = -1;
 	uint16_t class;
+	bool emulate;
 	int ret;
 
 	/* Only execute VGA ROMs */
@@ -262,6 +263,29 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
 	vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE;
 #endif
 	debug("Selected vesa mode %#x\n", vesa_mode);
+
+	if (exec_method & PCI_ROM_USE_NATIVE) {
+#ifdef CONFIG_X86
+		emulate = false;
+#else
+		if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) {
+			printf("BIOS native execution is only available on x86\n");
+			return -ENOSYS;
+		}
+		emulate = true;
+#endif
+	} else {
+#ifdef CONFIG_BIOSEMU
+		emulate = true;
+#else
+		if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) {
+			printf("BIOS emulation not available - see CONFIG_BIOSEMU\n");
+			return -ENOSYS;
+		}
+		emulate = false;
+#endif
+	}
+
 	if (emulate) {
 #ifdef CONFIG_BIOSEMU
 		BE_VGAInfo *info;
@@ -274,9 +298,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
 				  vesa_mode, &mode_info);
 		if (ret)
 			return ret;
-#else
-		printf("BIOS emulation not available - see CONFIG_BIOSEMU\n");
-		return -ENOSYS;
 #endif
 	} else {
 #ifdef CONFIG_X86
@@ -284,9 +305,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
 
 		bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
 				&mode_info);
-#else
-		printf("BIOS native execution is only available on x86\n");
-		return -ENOSYS;
 #endif
 	}
 	debug("Final vesa mode %#x\n", mode_info.video_mode);
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index fdff158..194e882 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <errno.h>
 #include <malloc.h>
 #include <spi.h>
 #include <pci.h>
@@ -21,6 +22,7 @@
 struct ich_ctlr {
 	pci_dev_t dev;		/* PCI device number */
 	int ich_version;	/* Controller version, 7 or 9 */
+	bool use_sbase;		/* Use SBASE instead of RCB */
 	int ichspi_lock;
 	int locked;
 	uint8_t *opmenu;
@@ -145,7 +147,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 	 * ICH 7 SPI controller only supports array read command
 	 * and byte program command for SST flash
 	 */
-	if (ctlr.ich_version == 7) {
+	if (ctlr.ich_version == 7 || ctlr.use_sbase) {
 		ich->slave.op_mode_rx = SPI_OPM_RX_AS;
 		ich->slave.op_mode_tx = SPI_OPM_TX_BP;
 	}
@@ -175,13 +177,15 @@ void spi_free_slave(struct spi_slave *slave)
 static int get_ich_version(uint16_t device_id)
 {
 	if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC ||
-	    device_id == PCI_DEVICE_ID_INTEL_ITC_LPC)
+	    device_id == PCI_DEVICE_ID_INTEL_ITC_LPC ||
+	    device_id == PCI_DEVICE_ID_INTEL_QRK_ILB)
 		return 7;
 
 	if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN &&
 	     device_id <= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX) ||
 	    (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN &&
-	     device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX))
+	     device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX) ||
+	    device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC)
 		return 9;
 
 	return 0;
@@ -204,14 +208,14 @@ static int ich9_can_do_33mhz(pci_dev_t dev)
 	return speed == 1;
 }
 
-static int ich_find_spi_controller(pci_dev_t *devp, int *ich_versionp)
+static int ich_find_spi_controller(struct ich_ctlr *ich)
 {
 	int last_bus = pci_last_busno();
 	int bus;
 
 	if (last_bus == -1) {
 		debug("No PCI busses?\n");
-		return -1;
+		return -ENODEV;
 	}
 
 	for (bus = 0; bus <= last_bus; bus++) {
@@ -225,24 +229,33 @@ static int ich_find_spi_controller(pci_dev_t *devp, int *ich_versionp)
 		device_id = ids >> 16;
 
 		if (vendor_id == PCI_VENDOR_ID_INTEL) {
-			*devp = dev;
-			*ich_versionp = get_ich_version(device_id);
-			return 0;
+			ich->dev = dev;
+			ich->ich_version = get_ich_version(device_id);
+			if (device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC)
+				ich->use_sbase = true;
+			return ich->ich_version == 0 ? -ENODEV : 0;
 		}
 	}
 
 	debug("ICH SPI: No ICH found.\n");
-	return -1;
+	return -ENODEV;
 }
 
 static int ich_init_controller(struct ich_ctlr *ctlr)
 {
 	uint8_t *rcrb; /* Root Complex Register Block */
 	uint32_t rcba; /* Root Complex Base Address */
+	uint32_t sbase_addr;
+	uint8_t *sbase;
 
 	pci_read_config_dword(ctlr->dev, 0xf0, &rcba);
 	/* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */
 	rcrb = (uint8_t *)(rcba & 0xffffc000);
+
+	/* SBASE is similar */
+	pci_read_config_dword(ctlr->dev, 0x54, &sbase_addr);
+	sbase = (uint8_t *)(sbase_addr & 0xfffffe00);
+
 	if (ctlr->ich_version == 7) {
 		struct ich7_spi_regs *ich7_spi;
 
@@ -262,7 +275,10 @@ static int ich_init_controller(struct ich_ctlr *ctlr)
 	} else if (ctlr->ich_version == 9) {
 		struct ich9_spi_regs *ich9_spi;
 
-		ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800);
+		if (ctlr->use_sbase)
+			ich9_spi = (struct ich9_spi_regs *)sbase;
+		else
+			ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800);
 		ctlr->ichspi_lock = ich_readw(&ich9_spi->hsfs) & HSFS_FLOCKDN;
 		ctlr->opmenu = ich9_spi->opmenu;
 		ctlr->menubytes = sizeof(ich9_spi->opmenu);
@@ -282,12 +298,13 @@ static int ich_init_controller(struct ich_ctlr *ctlr)
 		      ctlr->ich_version);
 		return -1;
 	}
-	debug("ICH SPI: Version %d detected\n", ctlr->ich_version);
 
 	/* Work out the maximum speed we can support */
 	ctlr->max_speed = 20000000;
 	if (ctlr->ich_version == 9 && ich9_can_do_33mhz(ctlr->dev))
 		ctlr->max_speed = 33000000;
+	debug("ICH SPI: Version %d detected at %p, speed %ld\n",
+	      ctlr->ich_version, ctlr->base, ctlr->max_speed);
 
 	ich_set_bbar(ctlr, 0);
 
@@ -298,7 +315,7 @@ void spi_init(void)
 {
 	uint8_t bios_cntl;
 
-	if (ich_find_spi_controller(&ctlr.dev, &ctlr.ich_version)) {
+	if (ich_find_spi_controller(&ctlr)) {
 		printf("ICH SPI: Cannot find device\n");
 		return;
 	}
@@ -312,10 +329,20 @@ void spi_init(void)
 	 * Disable the BIOS write protect so write commands are allowed.  On
 	 * v9, deassert SMM BIOS Write Protect Disable.
 	 */
-	pci_read_config_byte(ctlr.dev, 0xdc, &bios_cntl);
-	if (ctlr.ich_version == 9)
-		bios_cntl &= ~(1 << 5);
-	pci_write_config_byte(ctlr.dev, 0xdc, bios_cntl | 0x1);
+	if (ctlr.use_sbase) {
+		struct ich9_spi_regs *ich9_spi;
+
+		ich9_spi = (struct ich9_spi_regs *)ctlr.base;
+		bios_cntl = ich_readb(&ich9_spi->bcr);
+		bios_cntl &= ~(1 << 5);	/* clear Enable InSMM_STS (EISS) */
+		bios_cntl |= 1;		/* Write Protect Disable (WPD) */
+		ich_writeb(bios_cntl, &ich9_spi->bcr);
+	} else {
+		pci_read_config_byte(ctlr.dev, 0xdc, &bios_cntl);
+		if (ctlr.ich_version == 9)
+			bios_cntl &= ~(1 << 5);
+		pci_write_config_byte(ctlr.dev, 0xdc, bios_cntl | 0x1);
+	}
 }
 
 int spi_claim_bus(struct spi_slave *slave)
diff --git a/drivers/spi/ich.h b/drivers/spi/ich.h
index d2e4b85..1419b23 100644
--- a/drivers/spi/ich.h
+++ b/drivers/spi/ich.h
@@ -37,18 +37,19 @@ struct ich9_spi_regs {
 	uint8_t opmenu[8];		/* 0x98 */
 	uint32_t bbar;
 	uint8_t _reserved3[12];
-	uint32_t fdoc;
+	uint32_t fdoc;			/* 0xb0 */
 	uint32_t fdod;
 	uint8_t _reserved4[8];
-	uint32_t afc;
+	uint32_t afc;			/* 0xc0 */
 	uint32_t lvscc;
 	uint32_t uvscc;
 	uint8_t _reserved5[4];
-	uint32_t fpb;
+	uint32_t fpb;			/* 0xd0 */
 	uint8_t _reserved6[28];
-	uint32_t srdl;
+	uint32_t srdl;			/* 0xf0 */
 	uint32_t srdc;
-	uint32_t srd;
+	uint32_t scs;
+	uint32_t bcr;
 } __packed;
 
 enum {
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index c11b551..66d6e9a 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -47,6 +47,7 @@ obj-$(CONFIG_USB_XHCI) += xhci.o xhci-mem.o xhci-ring.o
 obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o
 obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o
 obj-$(CONFIG_USB_XHCI_OMAP) += xhci-omap.o
+obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o
 
 # designware
 obj-$(CONFIG_USB_DWC2) += dwc2.o
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 991b199..b9eabc5 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -34,57 +34,6 @@ static struct pci_device_id ehci_pci_ids[] = {
 	{0, 0}
 };
 #else
-static pci_dev_t ehci_find_class(int index)
-{
-	int bus;
-	int devnum;
-	pci_dev_t bdf;
-	uint32_t class;
-
-	for (bus = 0; bus <= pci_last_busno(); bus++) {
-		for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES-1; devnum++) {
-			pci_read_config_dword(PCI_BDF(bus, devnum, 0),
-					      PCI_CLASS_REVISION, &class);
-			if (class >> 16 == 0xffff)
-				continue;
-
-			for (bdf = PCI_BDF(bus, devnum, 0);
-					bdf <= PCI_BDF(bus, devnum,
-						PCI_MAX_PCI_FUNCTIONS - 1);
-					bdf += PCI_BDF(0, 0, 1)) {
-				pci_read_config_dword(bdf, PCI_CLASS_REVISION,
-						      &class);
-				class >>= 8;
-				/*
-				 * Here be dragons! In case we have multiple
-				 * PCI EHCI controllers, this function will
-				 * be called multiple times as well. This
-				 * function will scan the PCI busses, always
-				 * starting from bus 0, device 0, function 0,
-				 * until it finds an USB controller. The USB
-				 * stack gives us an 'index' of a controller
-				 * that is currently being registered, which
-				 * is a number, starting from 0 and growing
-				 * in ascending order as controllers are added.
-				 * To avoid probing the same controller in tne
-				 * subsequent runs of this function, we will
-				 * skip 'index - 1' detected controllers and
-				 * report the index'th controller.
-				 */
-				if (class != PCI_CLASS_SERIAL_USB_EHCI)
-					continue;
-				if (index) {
-					index--;
-					continue;
-				}
-				/* Return index'th controller. */
-				return bdf;
-			}
-		}
-	}
-
-	return -ENODEV;
-}
 #endif
 
 /*
@@ -102,7 +51,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 #ifdef CONFIG_PCI_EHCI_DEVICE
 	pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
 #else
-	pdev = ehci_find_class(index);
+	pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index);
 #endif
 	if (pdev < 0) {
 		printf("EHCI host controller not found\n");
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
new file mode 100644
index 0000000..361fcce
--- /dev/null
+++ b/drivers/usb/host/xhci-pci.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2015, Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <pci.h>
+#include <usb.h>
+
+#include "xhci.h"
+
+/*
+ * Create the appropriate control structures to manage a new XHCI host
+ * controller.
+ */
+int xhci_hcd_init(int index, struct xhci_hccr **ret_hccr,
+		  struct xhci_hcor **ret_hcor)
+{
+	struct xhci_hccr *hccr;
+	struct xhci_hcor *hcor;
+	pci_dev_t pdev;
+	uint32_t cmd;
+	int len;
+
+	pdev = pci_find_class(PCI_CLASS_SERIAL_USB_XHCI, index);
+	if (pdev < 0) {
+		printf("XHCI host controller not found\n");
+		return -1;
+	}
+
+	hccr = (struct xhci_hccr *)pci_map_bar(pdev,
+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+	len = HC_LENGTH(xhci_readl(&hccr->cr_capbase));
+	hcor = (struct xhci_hcor *)((uint32_t)hccr + len);
+
+	debug("XHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
+	      (uint32_t)hccr, (uint32_t)hcor, len);
+
+	*ret_hccr = hccr;
+	*ret_hcor = hcor;
+
+	/* enable busmaster */
+	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_MASTER;
+	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
+
+	return 0;
+}
+
+/*
+ * Destroy the appropriate control structures corresponding * to the XHCI host
+ * controller
+ */
+void xhci_hcd_stop(int index)
+{
+}
diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c
index 3dacafd..47f824a 100644
--- a/drivers/video/vesa_fb.c
+++ b/drivers/video/vesa_fb.c
@@ -23,6 +23,7 @@ struct pci_device_id vesa_video_ids[] = {
 	{ .vendor = 0x1002, .device = 0x5159 },
 	{ .vendor = 0x1002, .device = 0x4752 },
 	{ .vendor = 0x1002, .device = 0x5452 },
+	{ .vendor = 0x8086, .device = 0x0f31 },
 	{},
 };
 
@@ -41,8 +42,10 @@ void *video_hw_init(void)
 			printf("no card detected\n");
 			return NULL;
 		}
-		printf("bdf %x\n", dev);
-		ret = pci_run_vga_bios(dev, NULL, true);
+		bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
+		ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
+				       PCI_ROM_ALLOW_FALLBACK);
+		bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
 		if (ret) {
 			printf("failed to run video BIOS: %d\n", ret);
 			return NULL;
@@ -58,7 +61,7 @@ void *video_hw_init(void)
 	sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
 		bits_per_pixel);
 	printf("%s\n", gdev->modeIdent);
-	debug("Framex buffer at %x\n", gdev->pciBase);
+	debug("Frame buffer at %x\n", gdev->pciBase);
 
 	return (void *)gdev;
 }