X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib_i386%2Fpci.c;h=4331b04418c153fe7e6516dd667171b676f6667d;hb=5276a3584d26a9533404f0ec00c3b61cf9a97939;hp=acd1d25fa92c328aaabf74f37c5325ef02ef9db8;hpb=7a8e9bed17d7924a9c5c4699b1f6a3a0359524ed;p=oweals%2Fu-boot.git

diff --git a/lib_i386/pci.c b/lib_i386/pci.c
index acd1d25fa9..4331b04418 100644
--- a/lib_i386/pci.c
+++ b/lib_i386/pci.c
@@ -21,24 +21,24 @@
  * MA 02111-1307 USA
  */
 
-#include <common.h> 
-#include <pci.h> 
-#include <asm/io.h> 
-#include <asm/pci.h> 
+#include <common.h>
+#include <pci.h>
+#include <asm/io.h>
+#include <asm/pci.h>
 
 #ifdef CONFIG_PCI
 #undef PCI_ROM_SCAN_VERBOSE
 
-int pci_shadow_rom(pci_dev_t dev, unsigned char *dest) 
+int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 {
 	struct pci_controller *hose;
 	int res = -1;
 	int i;
-	
+
 	u32 rom_addr;
 	u32 addr_reg;
 	u32 size;
-	
+
 	u16 vendor;
 	u16 device;
 	u32 class_code;
@@ -47,18 +47,18 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 #if 0
 	printf("pci_shadow_rom() asked to shadow device %x to %x\n",
 	       dev, (u32)dest);
-#endif	
+#endif
 	pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
 	pci_read_config_word(dev, PCI_DEVICE_ID, &device);
 	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code);
-	
- 	class_code &= 0xffffff00;
+
+	class_code &= 0xffffff00;
 	class_code >>= 8;
 
-#if 0	
+#if 0
 	printf("PCI Header Vendor %04x device %04x class %06x\n",
 	       vendor, device, class_code);
-#endif	
+#endif
 	/* Enable the rom addess decoder */
 	pci_write_config_dword(dev, PCI_ROM_ADDRESS, PCI_ROM_ADDRESS_MASK);
 	pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg);
@@ -68,43 +68,42 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 		printf("pci_chadow_rom: device do not seem to have a rom\n");
 		return -1;
 	}
-	
-	size = (~(addr_reg&PCI_ROM_ADDRESS_MASK))+1;  
-	
-#if 0	
+
+	size = (~(addr_reg&PCI_ROM_ADDRESS_MASK))+1;
+
+#if 0
 	printf("ROM is %d bytes\n", size);
-#endif	
+#endif
 	rom_addr = pci_get_rom_window(hose, size);
-#if 0	
+#if 0
 	printf("ROM mapped at %x \n", rom_addr);
-#endif	
-	pci_write_config_dword(dev, PCI_ROM_ADDRESS, 
+#endif
+	pci_write_config_dword(dev, PCI_ROM_ADDRESS,
 			       pci_phys_to_mem(dev, rom_addr)
 			       |PCI_ROM_ADDRESS_ENABLE);
 
 
-	
 	for (i=rom_addr;i<rom_addr+size; i+=512) {
-		
-		
+
+
 		if (readw(i) == 0xaa55) {
 			u32 pci_data;
 #ifdef PCI_ROM_SCAN_VERBOSE
 			printf("ROM signature found\n");
-#endif			
+#endif
 			pci_data = readw(0x18+i);
 			pci_data += i;
-			
+
 			if (0==memcmp((void*)pci_data, "PCIR", 4)) {
-#ifdef PCI_ROM_SCAN_VERBOSE				
+#ifdef PCI_ROM_SCAN_VERBOSE
 				printf("Fount PCI rom image at offset %d\n", i-rom_addr);
 				printf("Vendor %04x device %04x class %06x\n",
 				       readw(pci_data+4), readw(pci_data+6),
 				       readl(pci_data+0x0d)&0xffffff);
-				printf("%s\n", 
+				printf("%s\n",
 				       (readw(pci_data+0x15) &0x80)?
 				       "Last image":"More images follow");
-				switch 	(readb(pci_data+0x14)) {
+				switch	(readb(pci_data+0x14)) {
 				case 0:
 					printf("X86 code\n");
 					break;
@@ -116,38 +115,38 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 					break;
 				}
 				printf("Image size %d\n", readw(pci_data+0x10) * 512);
-#endif				
+#endif
 				/* FixMe: I think we should compare the class code
 				 * bytes as well but I have no reference on the
 				 * exact order of these bytes in the PCI ROM header */
-				if (readw(pci_data+4) == vendor && 
+				if (readw(pci_data+4) == vendor &&
 				    readw(pci_data+6) == device &&
 				    /* (readl(pci_data+0x0d)&0xffffff) == class_code && */
 				    readb(pci_data+0x14) == 0 /* x86 code image */ ) {
-#ifdef PCI_ROM_SCAN_VERBOSE					
+#ifdef PCI_ROM_SCAN_VERBOSE
 					printf("Suitable ROM image found, copying\n");
-#endif					
+#endif
 					memmove(dest, (void*)rom_addr, readw(pci_data+0x10) * 512);
 					res = 0;
 					break;
-					
+
 				}
 				if (readw(pci_data+0x15) &0x80) {
 					break;
 				}
 			}
 		}
-		
+
 	}
-	
+
 #ifdef PCI_ROM_SCAN_VERBOSE
 	if (res) {
 		printf("No suitable image found\n");
 	}
-#endif	
+#endif
 	/* disable PAR register and PCI device ROM address devocer */
 	pci_remove_rom_window(hose, rom_addr);
-	  	
+
 	pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0);
 
 	return res;