Updating mcpn765 for 2.6

arch/ppc/configs/mcpn765_defconfig

@@ -4,49 +4,65 @@
 CONFIG_MMU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_HAVE_DEC_LOCK=y
+CONFIG_PPC=y
+CONFIG_PPC32=y
+CONFIG_GENERIC_NVRAM=y
 
 #
 # Code maturity level options
 #
-CONFIG_EXPERIMENTAL=y
+# CONFIG_EXPERIMENTAL is not set
+CONFIG_CLEAN_COMPILE=y
+CONFIG_STANDALONE=y
+CONFIG_BROKEN_ON_SMP=y
 
 #
 # General setup
 #
-CONFIG_SWAP=y
+# CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_EMBEDDED is not set
+# CONFIG_HOTPLUG is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_EMBEDDED=y
 CONFIG_KALLSYMS=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 
 #
 # Loadable module support
 #
-# CONFIG_MODULES is not set
+CONFIG_MODULES=y
+# CONFIG_MODULE_UNLOAD is not set
+CONFIG_OBSOLETE_MODPARM=y
+# CONFIG_KMOD is not set
 
 #
-# Platform support
+# Processor
 #
-CONFIG_PPC=y
-CONFIG_PPC32=y
 CONFIG_6xx=y
 # CONFIG_40x is not set
+# CONFIG_44x is not set
 # CONFIG_POWER3 is not set
+# CONFIG_POWER4 is not set
 # CONFIG_8xx is not set
+CONFIG_ALTIVEC=y
+# CONFIG_TAU is not set
+# CONFIG_CPU_FREQ is not set
+CONFIG_PPC_STD_MMU=y
 
 #
-# IBM 4xx options
+# Platform options
 #
-# CONFIG_8260 is not set
-CONFIG_GENERIC_ISA_DMA=y
-CONFIG_PPC_STD_MMU=y
 # CONFIG_PPC_MULTIPLATFORM is not set
 # CONFIG_APUS is not set
-# CONFIG_WILLOW_2 is not set
+# CONFIG_WILLOW is not set
 # CONFIG_PCORE is not set
 # CONFIG_POWERPMC250 is not set
 # CONFIG_EV64260 is not set
@@ -62,33 +78,28 @@ CONFIG_MCPN765=y
 # CONFIG_K2 is not set
 # CONFIG_PAL4 is not set
 # CONFIG_GEMINI is not set
+# CONFIG_EST8260 is not set
+# CONFIG_SBS8260 is not set
+# CONFIG_RPX6 is not set
+# CONFIG_TQM8260 is not set
+CONFIG_PPC_GEN550=y
 # CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
-CONFIG_ALTIVEC=y
-# CONFIG_TAU is not set
-# CONFIG_CPU_FREQ is not set
-
-#
-# General setup
-#
 CONFIG_HIGHMEM=y
-CONFIG_PCI=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_KCORE_ELF=y
 CONFIG_KERNEL_ELF=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-# CONFIG_PCI_LEGACY_PROC is not set
-# CONFIG_PCI_NAMES is not set
-# CONFIG_HOTPLUG is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="ip=on"
 
 #
-# Parallel port support
+# Bus options
 #
-# CONFIG_PARPORT is not set
-# CONFIG_PPC601_SYNC_FIX is not set
-CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="ip=on"
+CONFIG_GENERIC_ISA_DMA=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+# CONFIG_PCI_LEGACY_PROC is not set
+# CONFIG_PCI_NAMES is not set
 
 #
 # Advanced setup
@@ -104,20 +115,27 @@ CONFIG_KERNEL_START=0xc0000000
 CONFIG_TASK_SIZE=0x80000000
 CONFIG_BOOT_LOAD=0x00800000
 
+#
+# Device Drivers
+#
+
 #
 # Generic Driver Options
 #
-# CONFIG_FW_LOADER is not set
 
 #
 # Memory Technology Devices (MTD)
 #
 # CONFIG_MTD is not set
 
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
 #
 # Plug and Play support
 #
-# CONFIG_PNP is not set
 
 #
 # Block devices
@@ -126,36 +144,85 @@ CONFIG_BOOT_LOAD=0x00800000
 # CONFIG_BLK_CPQ_DA is not set
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_BLK_DEV_DAC960 is not set
-# CONFIG_BLK_DEV_UMEM is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_CARMEL is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=4096
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_LBD is not set
 
-#
-# Multi-device support (RAID and LVM)
-#
-# CONFIG_MD is not set
-
 #
 # ATA/ATAPI/MFM/RLL support
 #
-# CONFIG_IDE is not set
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE is not set
+# CONFIG_IDEDISK_STROKE is not set
+# CONFIG_BLK_DEV_IDECD is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+# CONFIG_IDE_GENERIC is not set
+CONFIG_BLK_DEV_IDEPCI=y
+# CONFIG_IDEPCI_SHARE_IRQ is not set
+# CONFIG_BLK_DEV_OFFBOARD is not set
+# CONFIG_BLK_DEV_GENERIC is not set
+# CONFIG_BLK_DEV_SL82C105 is not set
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+# CONFIG_IDEDMA_PCI_AUTO is not set
+CONFIG_BLK_DEV_ADMA=y
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+CONFIG_BLK_DEV_VIA82CXXX=y
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+# CONFIG_IDEDMA_AUTO is not set
+# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
 #
 # CONFIG_SCSI is not set
 
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
 #
 # Fusion MPT device support
 #
+# CONFIG_FUSION is not set
 
 #
-# IEEE 1394 (FireWire) support (EXPERIMENTAL)
+# IEEE 1394 (FireWire) support
 #
 # CONFIG_IEEE1394 is not set
 
@@ -164,6 +231,10 @@ CONFIG_BLK_DEV_INITRD=y
 #
 # CONFIG_I2O is not set
 
+#
+# Macintosh device drivers
+#
+
 #
 # Networking support
 #
@@ -175,7 +246,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 # CONFIG_NETLINK_DEV is not set
-# CONFIG_NETFILTER is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -187,32 +257,17 @@ CONFIG_IP_PNP_DHCP=y
 # CONFIG_IP_PNP_RARP is not set
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-# CONFIG_INET_ECN is not set
 # CONFIG_SYN_COOKIES is not set
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
-# CONFIG_IPV6 is not set
-# CONFIG_XFRM_USER is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-CONFIG_IPV6_SCTP__=y
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_LLC is not set
 # CONFIG_DECNET is not set
 # CONFIG_BRIDGE is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-# CONFIG_NET_FASTROUTE is not set
-# CONFIG_NET_HW_FLOWCONTROL is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
 
 #
 # QoS and/or fair queueing
@@ -233,7 +288,6 @@ CONFIG_NETDEVICES=y
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-# CONFIG_ETHERTAP is not set
 
 #
 # Ethernet (10 or 100Mbit)
@@ -248,26 +302,15 @@ CONFIG_MII=y
 #
 # Tulip family network device support
 #
-# CONFIG_NET_TULIP is not set
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=y
+# CONFIG_TULIP_MMIO is not set
+# CONFIG_TULIP_NAPI is not set
+# CONFIG_DE4X5 is not set
+# CONFIG_WINBOND_840 is not set
+# CONFIG_DM9102 is not set
 # CONFIG_HP100 is not set
-CONFIG_NET_PCI=y
-# CONFIG_PCNET32 is not set
-# CONFIG_AMD8111_ETH is not set
-# CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_B44 is not set
-# CONFIG_DGRS is not set
-# CONFIG_EEPRO100 is not set
-# CONFIG_E100 is not set
-# CONFIG_FEALNX is not set
-# CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
-# CONFIG_8139CP is not set
-# CONFIG_8139TOO is not set
-# CONFIG_SIS900 is not set
-# CONFIG_EPIC100 is not set
-# CONFIG_SUNDANCE is not set
-# CONFIG_TLAN is not set
-# CONFIG_VIA_RHINE is not set
+# CONFIG_NET_PCI is not set
 
 #
 # Ethernet (1000 Mbit)
@@ -277,7 +320,6 @@ CONFIG_NET_PCI=y
 # CONFIG_E1000 is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
-# CONFIG_YELLOWFIN is not set
 # CONFIG_R8169 is not set
 # CONFIG_SK98LIN is not set
 # CONFIG_TIGON3 is not set
@@ -287,7 +329,6 @@ CONFIG_NET_PCI=y
 #
 # CONFIG_IXGB is not set
 # CONFIG_FDDI is not set
-# CONFIG_HIPPI is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 
@@ -297,10 +338,9 @@ CONFIG_NET_PCI=y
 # CONFIG_NET_RADIO is not set
 
 #
-# Token Ring devices (depends on LLC=y)
+# Token Ring devices
 #
-# CONFIG_RCPCI is not set
-# CONFIG_SHAPER is not set
+# CONFIG_TR is not set
 
 #
 # Wan interfaces
@@ -317,15 +357,22 @@ CONFIG_NET_PCI=y
 #
 # CONFIG_IRDA is not set
 
+#
+# Bluetooth support
+#
+# CONFIG_BT is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
 #
 # ISDN subsystem
 #
-# CONFIG_ISDN_BOOL is not set
+# CONFIG_ISDN is not set
 
 #
-# Graphics support
+# Telephony Support
 #
-# CONFIG_FB is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
@@ -342,18 +389,16 @@ CONFIG_NET_PCI=y
 # CONFIG_GAMEPORT is not set
 CONFIG_SOUND_GAMEPORT=y
 # CONFIG_SERIO is not set
+# CONFIG_SERIO_I8042 is not set
 
 #
 # Input Device Drivers
 #
 
-#
-# Macintosh device drivers
-#
-
 #
 # Character devices
 #
+# CONFIG_VT is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -361,6 +406,7 @@ CONFIG_SOUND_GAMEPORT=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -369,26 +415,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
-CONFIG_UNIX98_PTY_COUNT=256
-
-#
-# I2C support
-#
-# CONFIG_I2C is not set
-
-#
-# I2C Hardware Sensors Mainboard support
-#
-
-#
-# I2C Hardware Sensors Chip support
-#
-# CONFIG_I2C_SENSOR is not set
-
-#
-# Mice
-#
-# CONFIG_BUSMOUSE is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_QIC02_TAPE is not set
 
 #
@@ -414,7 +442,15 @@ CONFIG_GEN_RTC=y
 # CONFIG_AGP is not set
 # CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
-# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# Misc devices
+#
 
 #
 # Multimedia devices
@@ -426,10 +462,31 @@ CONFIG_GEN_RTC=y
 #
 # CONFIG_DVB is not set
 
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+# CONFIG_USB is not set
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
 #
 # File systems
 #
-# CONFIG_EXT2_FS is not set
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT3_FS is not set
 # CONFIG_JBD is not set
 # CONFIG_REISERFS_FS is not set
@@ -457,21 +514,16 @@ CONFIG_GEN_RTC=y
 # Pseudo filesystems
 #
 CONFIG_PROC_FS=y
-# CONFIG_DEVFS_FS is not set
-CONFIG_DEVPTS_FS=y
+CONFIG_PROC_KCORE=y
 # CONFIG_DEVPTS_FS_XATTR is not set
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
+# CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 
 #
 # Miscellaneous filesystems
 #
-# CONFIG_ADFS_FS is not set
-# CONFIG_AFFS_FS is not set
-# CONFIG_HFS_FS is not set
-# CONFIG_BEFS_FS is not set
-# CONFIG_BFS_FS is not set
-# CONFIG_EFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_HPFS_FS is not set
@@ -484,19 +536,15 @@ CONFIG_RAMFS=y
 #
 CONFIG_NFS_FS=y
 # CONFIG_NFS_V3 is not set
-# CONFIG_NFS_V4 is not set
 # CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 # CONFIG_EXPORTFS is not set
 CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_GSS is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
-# CONFIG_INTERMEZZO_FS is not set
-# CONFIG_AFS_FS is not set
 
 #
 # Partition Types
@@ -505,25 +553,14 @@ CONFIG_SUNRPC=y
 CONFIG_MSDOS_PARTITION=y
 
 #
-# Sound
-#
-# CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB is not set
-# CONFIG_USB_GADGET is not set
-
-#
-# Bluetooth support
+# Native Language Support
 #
-# CONFIG_BT is not set
+# CONFIG_NLS is not set
 
 #
 # Library routines
 #
-# CONFIG_CRC32 is not set
+CONFIG_CRC32=y
 
 #
 # Kernel hacking

arch/ppc/platforms/Makefile

@@ -35,7 +35,7 @@ obj-$(CONFIG_EV64260)		+= ev64260_setup.o
 obj-$(CONFIG_GEMINI)		+= gemini_pci.o gemini_setup.o gemini_prom.o
 obj-$(CONFIG_K2)		+= k2_setup.o k2_pci.o
 obj-$(CONFIG_LOPEC)		+= lopec_setup.o lopec_pci.o
-obj-$(CONFIG_MCPN765)		+= mcpn765_setup.o mcpn765_pci.o
+obj-$(CONFIG_MCPN765)		+= mcpn765.o
 obj-$(CONFIG_MENF1)		+= menf1_setup.o menf1_pci.o
 obj-$(CONFIG_MVME5100)		+= mvme5100_setup.o mvme5100_pci.o
 obj-$(CONFIG_PAL4)		+= pal4_setup.o pal4_pci.o

arch/ppc/platforms/mcpn765_setup.c → arch/ppc/platforms/mcpn765.c

 /*
- * arch/ppc/platforms/mcpn765_setup.c
+ * arch/ppc/platforms/mcpn765.c
  *
  * Board setup routines for the Motorola MCG MCPN765 cPCI Board.
  *
  * Author: Mark A. Greer
  *         mgreer@mvista.com
  *
+ * Modified by Randy Vinson (rvinson@mvista.com)
+ *
  * 2001-2002 (c) MontaVista, Software, Inc.  This file is licensed under
  * the terms of the GNU General Public License version 2.  This program
  * is licensed "as is" without any warranty of any kind, whether express
@@ -28,18 +30,22 @@
 #include <linux/console.h>
 #include <linux/delay.h>
 #include <linux/irq.h>
+#if 0
 #include <linux/ide.h>
+#endif
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/serial.h>
 #include <linux/tty.h>	/* for linux/serial_core.h */
 #include <linux/serial_core.h>
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/time.h>
 #include <asm/dma.h>
+#include <asm/byteorder.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -48,8 +54,10 @@
 #include <asm/i8259.h>
 #include <asm/todc.h>
 #include <asm/pci-bridge.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
 #include <asm/bootinfo.h>
-#include <asm/pplus.h>
+#include <asm/hawk.h>
 #include <asm/kgdb.h>
 
 #include "mcpn765.h"
@@ -75,69 +83,229 @@ static u_char mcpn765_openpic_initsenses[] __initdata = {
 	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),/* 31: RTC Alarm */
 };
 
+extern void mcpn765_set_VIA_IDE_native(void);
 
 extern u_int openpic_irq(void);
 extern char cmd_line[];
 
+extern void gen550_progress(char *, unsigned short);
+extern void gen550_init(int, struct uart_port *);
+
 int use_of_interrupt_tree = 0;
 
 static void mcpn765_halt(void);
 
 TODC_ALLOC();
 
-#if defined(CONFIG_SERIAL_8250) && \
-	(defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG))
-static void __init
-mcpn765_early_serial_map(void)
+/*
+ * Motorola MCG MCPN765 interrupt routing.
+ */
+static inline int
+mcpn765_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
 {
-	struct uart_port serial_req;
+	static char pci_irq_table[][4] =
+	/*
+	 *	PCI IDSEL/INTPIN->INTLINE
+	 * 	   A   B   C   D
+	 */
+	{
+		{ 14,  0,  0,  0 },	/* IDSEL 11 - have to manually set */
+		{  0,  0,  0,  0 },	/* IDSEL 12 - unused */
+		{  0,  0,  0,  0 },	/* IDSEL 13 - unused */
+		{ 18,  0,  0,  0 },	/* IDSEL 14 - Enet 0 */
+		{  0,  0,  0,  0 },	/* IDSEL 15 - unused */
+		{ 25, 26, 27, 28 },	/* IDSEL 16 - PMC Slot 1 */
+		{ 28, 25, 26, 27 },	/* IDSEL 17 - PMC Slot 2 */
+		{  0,  0,  0,  0 },	/* IDSEL 18 - PMC 2B Connector XXXX */
+		{ 29,  0,  0,  0 },	/* IDSEL 19 - Enet 1 */
+		{ 20,  0,  0,  0 },	/* IDSEL 20 - 21554 cPCI bridge */
+	};
+
+	const long min_idsel = 11, max_idsel = 20, irqs_per_slot = 4;
+	return PCI_IRQ_TABLE_LOOKUP;
+}
 
-	/* Setup serial port access */
-	memset(&serial_req, 0, sizeof(serial_req));
-	serial_req.uartclk = UART_CLK;
-	serial_req.irq = 17;
-	serial_req.flags = STD_COM_FLAGS;
-	serial_req.iotype = SERIAL_IO_MEM;
-	serial_req.membase = (u_char *)MCPN765_SERIAL_1;
-	serial_req.regshift = 4;
+void __init
+mcpn765_set_VIA_IDE_legacy(void)
+{
+	unsigned short vend, dev;
+
+	early_read_config_word(0, 0, PCI_DEVFN(0xb, 1), PCI_VENDOR_ID, &vend);
+	early_read_config_word(0, 0, PCI_DEVFN(0xb, 1), PCI_DEVICE_ID, &dev);
+
+	if ((vend == PCI_VENDOR_ID_VIA) &&
+	    (dev == PCI_DEVICE_ID_VIA_82C586_1)) {
+
+		unsigned char temp;
+
+		/* put back original "standard" port base addresses */
+		early_write_config_dword(0, 0, PCI_DEVFN(0xb, 1),
+				         PCI_BASE_ADDRESS_0, 0x1f1);
+		early_write_config_dword(0, 0, PCI_DEVFN(0xb, 1),
+				         PCI_BASE_ADDRESS_1, 0x3f5);
+		early_write_config_dword(0, 0, PCI_DEVFN(0xb, 1),
+				         PCI_BASE_ADDRESS_2, 0x171);
+		early_write_config_dword(0, 0, PCI_DEVFN(0xb, 1),
+				         PCI_BASE_ADDRESS_3, 0x375);
+		early_write_config_dword(0, 0, PCI_DEVFN(0xb, 1),
+				         PCI_BASE_ADDRESS_4, 0xcc01);
+
+		/* put into legacy mode */
+		early_read_config_byte(0, 0, PCI_DEVFN(0xb, 1), PCI_CLASS_PROG,
+				       &temp);
+		temp &= ~0x05;
+		early_write_config_byte(0, 0, PCI_DEVFN(0xb, 1), PCI_CLASS_PROG,
+					temp);
+	}
+}
 
-	gen550_init(0, &serial_req);
+void
+mcpn765_set_VIA_IDE_native(void)
+{
+	unsigned short vend, dev;
 
-	if (early_serial_setup(&serial_req) != 0)
-		printk(KERN_ERR "Early serial init of port 0 failed\n");
+	early_read_config_word(0, 0, PCI_DEVFN(0xb, 1), PCI_VENDOR_ID, &vend);
+	early_read_config_word(0, 0, PCI_DEVFN(0xb, 1), PCI_DEVICE_ID, &dev);
 
-	/* Assume early_serial_setup() doesn't modify serial_req */
-	serial_req.line = 1;
-	serial_req.irq = 17;
-	serial_req.membase = (u_char *)MCPN765_SERIAL_2;
+	if ((vend == PCI_VENDOR_ID_VIA) &&
+	    (dev == PCI_DEVICE_ID_VIA_82C586_1)) {
 
-	gen550_init(1, &serial_req);
+		unsigned char temp;
 
-	if (early_serial_setup(&serial_req) != 0)
-		printk(KERN_ERR "Early serial init of port 1 failed\n");
+		/* put into native mode */
+		early_read_config_byte(0, 0, PCI_DEVFN(0xb, 1), PCI_CLASS_PROG,
+				       &temp);
+		temp |= 0x05;
+		early_write_config_byte(0, 0, PCI_DEVFN(0xb, 1), PCI_CLASS_PROG,
+					temp);
+	}
+}
+
+/*
+ * Initialize the VIA 82c586b.
+ */
+static void __init
+mcpn765_setup_via_82c586b(void)
+{
+	struct pci_dev	*dev;
+	u_char		c;
 
-	/* Assume early_serial_setup() doesn't modify serial_req */
-	serial_req.line = 2;
-	serial_req.irq = 17;
-	serial_req.membase = (u_char *)MCPN765_SERIAL_3;
+	if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+				   PCI_DEVICE_ID_VIA_82C586_0,
+				   NULL)) == NULL) {
+		printk("No VIA ISA bridge found\n");
+		mcpn765_halt();
+		/* NOTREACHED */
+	}
 
-	gen550_init(2, &serial_req);
+	/*
+	 * If the firmware left the EISA 4d0/4d1 ports enabled, make sure
+	 * IRQ 14 is set for edge.
+	 */
+	pci_read_config_byte(dev, 0x47, &c);
 
-	if (early_serial_setup(&serial_req) != 0)
-		printk(KERN_ERR "Early serial init of port 2 failed\n");
+	if (c & (1<<5)) {
+		c = inb(0x4d1);
+		c &= ~(1<<6);
+		outb(c, 0x4d1);
+	}
 
-	/* Assume early_serial_setup() doesn't modify serial_req */
-	serial_req.line = 3;
-	serial_req.irq = 17;
-	serial_req.membase = (u_char *)MCPN765_SERIAL_4;
+	/* Disable PNP IRQ routing since we use the Hawk's MPIC */
+	pci_write_config_dword(dev, 0x54, 0);
+	pci_write_config_byte(dev, 0x58, 0);
 
-	gen550_init(3, &serial_req);
 
-	if (early_serial_setup(&serial_req) != 0)
-		printk(KERN_ERR "Early serial init of port 3 failed\n");
+	if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+				   PCI_DEVICE_ID_VIA_82C586_1,
+				   NULL)) == NULL) {
+		printk("No VIA ISA bridge found\n");
+		mcpn765_halt();
+		/* NOTREACHED */
+	}
+
+	/*
+	 * PPCBug doesn't set the enable bits for the IDE device.
+	 * Turn them on now.
+	 */
+	pci_read_config_byte(dev, 0x40, &c);
+	c |= 0x03;
+	pci_write_config_byte(dev, 0x40, c);
+
+	return;
 }
-#endif
 
+void __init
+mcpn765_pcibios_fixup(void)
+{
+	/* Do MCPN765 board specific initialization.  */
+	mcpn765_setup_via_82c586b();
+}
+
+void __init
+mcpn765_find_bridges(void)
+{
+	struct pci_controller	*hose;
+
+	hose = pcibios_alloc_controller();
+
+	if (!hose)
+		return;
+
+	hose->first_busno = 0;
+	hose->last_busno = 0xff;
+	hose->pci_mem_offset = MCPN765_PCI_PHY_MEM_OFFSET;
+
+	pci_init_resource(&hose->io_resource,
+			MCPN765_PCI_IO_START,
+			MCPN765_PCI_IO_END,
+			IORESOURCE_IO,
+			"PCI host bridge");
+
+	pci_init_resource(&hose->mem_resources[0],
+			MCPN765_PCI_MEM_START,
+			MCPN765_PCI_MEM_END,
+			IORESOURCE_MEM,
+			"PCI host bridge");
+
+	hose->io_space.start = MCPN765_PCI_IO_START;
+	hose->io_space.end = MCPN765_PCI_IO_END;
+	hose->mem_space.start = MCPN765_PCI_MEM_START;
+	hose->mem_space.end = MCPN765_PCI_MEM_END - HAWK_MPIC_SIZE;
+
+	if (hawk_init(hose,
+		       MCPN765_HAWK_PPC_REG_BASE,
+		       MCPN765_PROC_PCI_MEM_START,
+		       MCPN765_PROC_PCI_MEM_END - HAWK_MPIC_SIZE,
+		       MCPN765_PROC_PCI_IO_START,
+		       MCPN765_PROC_PCI_IO_END,
+		       MCPN765_PCI_MEM_END - HAWK_MPIC_SIZE + 1) != 0) {
+		printk("Could not initialize HAWK bridge\n");
+	}
+
+	/* VIA IDE BAR decoders are only 16-bits wide. PCI Auto Config
+	 * will reassign the bars outside of 16-bit I/O space, which will 
+	 * "break" things. To prevent this, we'll set the IDE chip into
+	 * legacy mode and seed the bars with their legacy addresses (in 16-bit
+	 * I/O space). The Auto Config code will skip the IDE contoller in 
+	 * legacy mode, so our bar values will stick.
+	 */
+	mcpn765_set_VIA_IDE_legacy();
+
+	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+	/* Now that we've got 16-bit addresses in the bars, we can switch the
+	 * IDE controller back into native mode so we can do "modern" resource
+	 * and interrupt management.
+	 */
+	mcpn765_set_VIA_IDE_native();
+
+	ppc_md.pcibios_fixup = mcpn765_pcibios_fixup;
+	ppc_md.pcibios_fixup_bus = NULL;
+	ppc_md.pci_swizzle = common_swizzle;
+	ppc_md.pci_map_irq = mcpn765_map_irq;
+
+	return;
+}
 static void __init
 mcpn765_setup_arch(void)
 {
@@ -190,39 +358,9 @@ mcpn765_setup_arch(void)
 	return;
 }
 
-/*
- * Initialize the VIA 82c586b.
- */
-static void __init
-mcpn765_setup_via_82c586b(void)
-{
-	struct pci_dev	*dev;
-	u_char		c;
-
-	if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
-				   PCI_DEVICE_ID_VIA_82C586_1,
-				   NULL)) == NULL) {
-		printk("No VIA ISA bridge found\n");
-		mcpn765_halt();
-		/* NOTREACHED */
-	}
-
-	/*
-	 * PPCBug doesn't set the enable bits for the IDE device.
-	 * Turn them on now.
-	 */
-	pci_read_config_byte(dev, 0x40, &c);
-	c |= 0x03;
-	pci_write_config_byte(dev, 0x40, c);
-
-	return;
-}
-
 static void __init
 mcpn765_init2(void)
 {
-	/* Do MCPN765 board specific initialization.  */
-	mcpn765_setup_via_82c586b();
 
 	request_region(0x00,0x20,"dma1");
 	request_region(0x20,0x20,"pic1");
@@ -271,7 +409,7 @@ mcpn765_irq_canonicalize(u32 irq)
 static unsigned long __init
 mcpn765_find_end_of_memory(void)
 {
-	return pplus_get_mem_size(MCPN765_HAWK_SMC_BASE);
+	return hawk_get_mem_size(MCPN765_HAWK_SMC_BASE);
 }
 
 static void __init
@@ -285,6 +423,9 @@ mcpn765_reset_board(void)
 {
 	local_irq_disable();
 
+	/* set VIA IDE controller into native mode */
+	mcpn765_set_VIA_IDE_native();
+
 	/* Set exception prefix high - to the firmware */
 	_nmask_and_or_msr(0, MSR_IP);
 
@@ -328,92 +469,6 @@ mcpn765_show_cpuinfo(struct seq_file *m)
 	return 0;
 }
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-/*
- * IDE support.
- */
-static int		mcpn765_ide_ports_known = 0;
-static unsigned long	mcpn765_ide_regbase[MAX_HWIFS];
-static unsigned long	mcpn765_ide_ctl_regbase[MAX_HWIFS];
-static unsigned long	mcpn765_idedma_regbase;
-
-static void
-mcpn765_ide_probe(void)
-{
-	struct pci_dev *pdev = pci_find_device(PCI_VENDOR_ID_VIA,
-					       PCI_DEVICE_ID_VIA_82C586_1,
-					       NULL);
-
-        if(pdev) {
-                mcpn765_ide_regbase[0]=pdev->resource[0].start;
-                mcpn765_ide_regbase[1]=pdev->resource[2].start;
-                mcpn765_ide_ctl_regbase[0]=pdev->resource[1].start;
-                mcpn765_ide_ctl_regbase[1]=pdev->resource[3].start;
-                mcpn765_idedma_regbase=pdev->resource[4].start;
-        }
-
-        mcpn765_ide_ports_known = 1;
-	return;
-}
-
-static int
-mcpn765_ide_default_irq(unsigned long base)
-{
-        if (mcpn765_ide_ports_known == 0)
-	        mcpn765_ide_probe();
-
-	if (base == mcpn765_ide_regbase[0])
-		return 14;
-	else if (base == mcpn765_ide_regbase[1])
-		return 14;
-	else
-		return 0;
-}
-
-static unsigned long
-mcpn765_ide_default_io_base(int index)
-{
-        if (mcpn765_ide_ports_known == 0)
-	        mcpn765_ide_probe();
-
-	return mcpn765_ide_regbase[index];
-}
-
-static void __init
-mcpn765_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
-			      unsigned long ctrl_port, int *irq)
-{
-	unsigned long reg = data_port;
-	uint	alt_status_base;
-	int	i;
-
-	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
-		hw->io_ports[i] = reg++;
-	}
-
-	if (data_port == mcpn765_ide_regbase[0]) {
-		alt_status_base = mcpn765_ide_ctl_regbase[0] + 2;
-		hw->irq = 14;
-	} else if (data_port == mcpn765_ide_regbase[1]) {
-		alt_status_base = mcpn765_ide_ctl_regbase[1] + 2;
-		hw->irq = 14;
-	} else {
-		alt_status_base = 0;
-		hw->irq = 0;
-	}
-
-	if (ctrl_port)
-		hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
-	else
-		hw->io_ports[IDE_CONTROL_OFFSET] = alt_status_base;
-
-	if (irq != NULL)
-		*irq = hw->irq;
-
-	return;
-}
-#endif
-
 /*
  * Set BAT 3 to map 0xf0000000 to end of physical memory space.
  */
@@ -467,21 +522,11 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	ppc_md.heartbeat_reset = 0;
 	ppc_md.heartbeat_count = 0;
 
-#if defined(CONFIG_SERIAL_8250) && \
-	(defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG))
-	mcpn765_early_serial_map();
-#ifdef CONFIG_KGDB
-	ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
-#endif
 #ifdef CONFIG_SERIAL_TEXT_DEBUG
 	ppc_md.progress = gen550_progress;
 #endif
-#endif
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-        ppc_ide_md.default_irq = mcpn765_ide_default_irq;
-        ppc_ide_md.default_io_base = mcpn765_ide_default_io_base;
-        ppc_ide_md.ide_init_hwif = mcpn765_ide_init_hwif_ports;
+#ifdef CONFIG_KGDB
+	ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
 #endif
 
 	return;

arch/ppc/platforms/mcpn765_pci.c

-/*
- * arch/ppc/platforms/mcpn765_pci.c
- *
- * PCI setup routines for the Motorola MCG MCPN765 cPCI board.
- *
- * Author: Mark A. Greer
- *         mgreer@mvista.com
- *
- * 2001 (c) MontaVista, Software, Inc.  This file is licensed under
- * the terms of the GNU General Public License version 2.  This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/pplus.h>
-
-#include "mcpn765.h"
-
-
-/*
- * Motorola MCG MCPN765 interrupt routing.
- */
-static inline int
-mcpn765_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-	static char pci_irq_table[][4] =
-	/*
-	 *	PCI IDSEL/INTPIN->INTLINE
-	 * 	   A   B   C   D
-	 */
-	{
-		{ 14,  0,  0,  0 },	/* IDSEL 11 - have to manually set */
-		{  0,  0,  0,  0 },	/* IDSEL 12 - unused */
-		{  0,  0,  0,  0 },	/* IDSEL 13 - unused */
-		{ 18,  0,  0,  0 },	/* IDSEL 14 - Enet 0 */
-		{  0,  0,  0,  0 },	/* IDSEL 15 - unused */
-		{ 25, 26, 27, 28 },	/* IDSEL 16 - PMC Slot 1 */
-		{ 28, 25, 26, 27 },	/* IDSEL 17 - PMC Slot 2 */
-		{  0,  0,  0,  0 },	/* IDSEL 18 - PMC 2B Connector XXXX */
-		{ 29,  0,  0,  0 },	/* IDSEL 19 - Enet 1 */
-		{ 20,  0,  0,  0 },	/* IDSEL 20 - 21554 cPCI bridge */
-	};
-
-	const long min_idsel = 11, max_idsel = 20, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-}
-
-void __init
-mcpn765_find_bridges(void)
-{
-	struct pci_controller	*hose;
-
-	hose = pcibios_alloc_controller();
-
-	if (!hose)
-		return;
-
-	hose->first_busno = 0;
-	hose->last_busno = 0xff;
-	hose->pci_mem_offset = MCPN765_PCI_PHY_MEM_OFFSET;
-
-	pci_init_resource(&hose->io_resource,
-			MCPN765_PCI_IO_START,
-			MCPN765_PCI_IO_END,
-			IORESOURCE_IO,
-			"PCI host bridge");
-
-	pci_init_resource(&hose->mem_resources[0],
-			MCPN765_PCI_MEM_START,
-			MCPN765_PCI_MEM_END,
-			IORESOURCE_MEM,
-			"PCI host bridge");
-
-	hose->io_space.start = MCPN765_PCI_IO_START;
-	hose->io_space.end = MCPN765_PCI_IO_END;
-	hose->mem_space.start = MCPN765_PCI_MEM_START;
-	hose->mem_space.end = MCPN765_PCI_MEM_END - PPLUS_MPIC_SIZE;
-
-	if (pplus_init(hose,
-		       MCPN765_HAWK_PPC_REG_BASE,
-		       MCPN765_PROC_PCI_MEM_START,
-		       MCPN765_PROC_PCI_MEM_END - PPLUS_MPIC_SIZE,
-		       MCPN765_PROC_PCI_IO_START,
-		       MCPN765_PROC_PCI_IO_END,
-		       MCPN765_PCI_MEM_END - PPLUS_MPIC_SIZE + 1) != 0) {
-		printk("Could not initialize HAWK bridge\n");
-	}
-
-	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
-
-	ppc_md.pcibios_fixup = NULL;
-	ppc_md.pcibios_fixup_bus = NULL;
-	ppc_md.pci_swizzle = common_swizzle;
-	ppc_md.pci_map_irq = mcpn765_map_irq;
-
-	return;
-}