Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'

3 files changed, 104 insertions, 9 deletions

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_auto.c b/drivers/pci/pci_auto.c
index ed92857..378efbf 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -223,9 +223,12 @@ void pciauto_prescan_setup_bridge(struct pci_controller *hose,
 	struct pci_region *pci_mem = hose->pci_mem;
 	struct pci_region *pci_prefetch = hose->pci_prefetch;
 	struct pci_region *pci_io = hose->pci_io;
-	u16 cmdstat;
+	u16 cmdstat, prefechable_64;
 
 	pci_hose_read_config_word(hose, dev, PCI_COMMAND, &cmdstat);
+	pci_hose_read_config_word(hose, dev, PCI_PREF_MEMORY_BASE,
+				&prefechable_64);
+	prefechable_64 &= PCI_PREF_RANGE_TYPE_MASK;
 
 	/* Configure bus number registers */
 	pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS,
@@ -252,12 +255,26 @@ void pciauto_prescan_setup_bridge(struct pci_controller *hose,
 		/* Set up memory and I/O filter limits, assume 32-bit I/O space */
 		pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE,
 					(pci_prefetch->bus_lower & 0xfff00000) >> 16);
+		if (prefechable_64 == PCI_PREF_RANGE_TYPE_64)
+#ifdef CONFIG_SYS_PCI_64BIT
+			pci_hose_write_config_dword(hose, dev,
+					PCI_PREF_BASE_UPPER32,
+					pci_prefetch->bus_lower >> 32);
+#else
+			pci_hose_write_config_dword(hose, dev,
+					PCI_PREF_BASE_UPPER32,
+					0x0);
+#endif
 
 		cmdstat |= PCI_COMMAND_MEMORY;
 	} else {
 		/* We don't support prefetchable memory for now, so disable */
 		pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, 0x1000);
 		pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x0);
+		if (prefechable_64 == PCI_PREF_RANGE_TYPE_64) {
+			pci_hose_write_config_word(hose, dev, PCI_PREF_BASE_UPPER32, 0x0);
+			pci_hose_write_config_word(hose, dev, PCI_PREF_LIMIT_UPPER32, 0x0);
+		}
 	}
 
 	if (pci_io) {
@@ -297,11 +314,28 @@ void pciauto_postscan_setup_bridge(struct pci_controller *hose,
 	}
 
 	if (pci_prefetch) {
+		u16 prefechable_64;
+
+		pci_hose_read_config_word(hose, dev,
+					PCI_PREF_MEMORY_LIMIT,
+					&prefechable_64);
+		prefechable_64 &= PCI_PREF_RANGE_TYPE_MASK;
+
 		/* Round memory allocator to 1MB boundary */
 		pciauto_region_align(pci_prefetch, 0x100000);
 
 		pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT,
 				(pci_prefetch->bus_lower - 1) >> 16);
+		if (prefechable_64 == PCI_PREF_RANGE_TYPE_64)
+#ifdef CONFIG_SYS_PCI_64BIT
+			pci_hose_write_config_dword(hose, dev,
+					PCI_PREF_LIMIT_UPPER32,
+					(pci_prefetch->bus_lower - 1) >> 32);
+#else
+			pci_hose_write_config_dword(hose, dev,
+					PCI_PREF_LIMIT_UPPER32,
+					0x0);
+#endif
 	}
 
 	if (pci_io) {
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index eb76591..48c0a77 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -98,7 +98,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
 			       rom_address | PCI_ROM_ADDRESS_ENABLE);
 #endif
 	debug("Option ROM address %x\n", rom_address);
-	rom_header = (struct pci_rom_header *)rom_address;
+	rom_header = (struct pci_rom_header *)(unsigned long)rom_address;
 
 	debug("PCI expansion ROM, signature %#04x, INIT size %#04x, data ptr %#04x\n",
 	      le16_to_cpu(rom_header->signature),
@@ -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);