Updating Force PCore to 2.6

arch/ppc/Kconfig

@@ -609,7 +609,7 @@ config PPC_OF
 
 config PPC_GEN550
 	bool
-	depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS
+	depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE
 	default y
 
 config FORCE

arch/ppc/platforms/Makefile

@@ -35,11 +35,11 @@ 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-$(CONFIG_PAL4)		+= pal4_setup.o pal4_pci.o
-obj-$(CONFIG_PCORE)		+= pcore_setup.o pcore_pci.o
+obj-$(CONFIG_PCORE)		+= pcore.o
 obj-$(CONFIG_POWERPMC250)	+= powerpmc250.o
 obj-$(CONFIG_PPLUS)		+= pplus.o
 obj-$(CONFIG_PRPMC750)		+= prpmc750_setup.o prpmc750_pci.o

arch/ppc/platforms/pcore_setup.c → arch/ppc/platforms/pcore.c

@@ -23,16 +23,10 @@
 #include <linux/major.h>
 #include <linux/initrd.h>
 #include <linux/console.h>
-#include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/seq_file.h>
-#include <linux/ide.h>
 #include <linux/root_dev.h>
 
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/dma.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/time.h>
@@ -40,14 +34,122 @@
 #include <asm/mpc10x.h>
 #include <asm/todc.h>
 #include <asm/bootinfo.h>
+#include <asm/kgdb.h>
 
 #include "pcore.h"
 
-extern int pcore_find_bridges(void);
 extern unsigned long loops_per_jiffy;
 
 static int board_type;
 
+static inline int __init
+pcore_6750_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
+	 */
+	{
+		{9,	10,	11,	12},	/* IDSEL 24 - DEC 21554 */
+		{10,	0,	0,	0},	/* IDSEL 25 - DEC 21143 */
+		{11,	12,	9,	10},	/* IDSEL 26 - PMC I */
+		{12,	9,	10,	11},	/* IDSEL 27 - PMC II */
+		{0,	0,	0,	0},	/* IDSEL 28 - unused */
+		{0,	0,	9,	0},	/* IDSEL 29 - unused */
+		{0,	0,	0,	0},	/* IDSEL 30 - Winbond */
+		};
+	const long min_idsel = 24, max_idsel = 30, irqs_per_slot = 4;
+	return PCI_IRQ_TABLE_LOOKUP;
+};
+
+static inline int __init
+pcore_680_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
+	 */
+	{
+		{9,	10,	11,	12},	/* IDSEL 24 - Sentinel */
+		{10,	0,	0,	0},	/* IDSEL 25 - i82559 #1 */
+		{11,	12,	9,	10},	/* IDSEL 26 - PMC I */
+		{12,	9,	10,	11},	/* IDSEL 27 - PMC II */
+		{9,	0,	0,	0},	/* IDSEL 28 - i82559 #2 */
+		{0,	0,	0,	0},	/* IDSEL 29 - unused */
+		{0,	0,	0,	0},	/* IDSEL 30 - Winbond */
+		};
+	const long min_idsel = 24, max_idsel = 30, irqs_per_slot = 4;
+	return PCI_IRQ_TABLE_LOOKUP;
+};
+
+void __init
+pcore_pcibios_fixup(void)
+{
+	struct pci_dev *dev;
+
+	if ((dev = pci_find_device(PCI_VENDOR_ID_WINBOND,
+				PCI_DEVICE_ID_WINBOND_83C553,
+				0)))
+	{
+		/* Reroute interrupts both IDE channels to 15 */
+		pci_write_config_byte(dev,
+				PCORE_WINBOND_IDE_INT,
+				0xff);
+
+		/* Route INTA-D to IRQ9-12, respectively */
+		pci_write_config_word(dev,
+				PCORE_WINBOND_PCI_INT,
+				0x9abc);
+
+		/*
+		 * Set up 8259 edge/level triggering
+		 */
+ 		outb(0x00, PCORE_WINBOND_PRI_EDG_LVL);
+		outb(0x1e, PCORE_WINBOND_SEC_EDG_LVL);
+	}
+}
+
+int __init
+pcore_find_bridges(void)
+{
+	struct pci_controller* hose;
+	int host_bridge, board_type;
+
+	hose = pcibios_alloc_controller();
+	if (!hose)
+		return 0;
+
+	mpc10x_bridge_init(hose,
+			MPC10X_MEM_MAP_B,
+			MPC10X_MEM_MAP_B,
+			MPC10X_MAPB_EUMB_BASE);
+
+	/* Determine board type */
+	early_read_config_dword(hose,
+			0,
+			PCI_DEVFN(0,0),
+			PCI_VENDOR_ID,
+			&host_bridge);
+	if (host_bridge == MPC10X_BRIDGE_106)
+		board_type = PCORE_TYPE_6750;
+	else /* MPC10X_BRIDGE_107 */
+		board_type = PCORE_TYPE_680;
+
+	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+	ppc_md.pcibios_fixup = pcore_pcibios_fixup;
+	ppc_md.pci_swizzle = common_swizzle;
+
+	if (board_type == PCORE_TYPE_6750)
+		ppc_md.pci_map_irq = pcore_6750_map_irq;
+	else /* PCORE_TYPE_680 */
+		ppc_md.pci_map_irq = pcore_680_map_irq;
+
+	return board_type;
+}
+
 /* Dummy variable to satisfy mpc10x_common.o */
 void *OpenPIC_Addr;
 
@@ -130,7 +232,14 @@ pcore_setup_arch(void)
 	conswitchp = &dummy_con;
 #endif
 
-		 printk("Force PCore port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
+ 	printk(KERN_INFO "Force PowerCore ");
+	if (board_type == PCORE_TYPE_6750)
+		printk("6750\n");
+	else
+		printk("680\n");
+	printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n");
+	_set_L2CR(L2CR_L2E | _get_L2CR());
+
 }
 
 static void
@@ -175,25 +284,16 @@ pcore_init_IRQ(void)
 static __inline__ void
 pcore_set_bat(void)
 {
-	unsigned long   bat3u, bat3l;
-
-	__asm__ __volatile__(
-			" lis %0,0xf000\n \
-			ori %1,%0,0x002a\n \
-			ori %0,%0,0x1ffe\n \
-			mtspr 0x21e,%0\n \
-			mtspr 0x21f,%1\n \
-			isync\n \
-			sync "
-			: "=r" (bat3u), "=r" (bat3l));
+	mb();
+	mtspr(DBAT3U, 0xf0001ffe);
+	mtspr(DBAT3L, 0xfe80002a);
+	mb();
+
 }
 
 static unsigned long __init
 pcore_find_end_of_memory(void)
 {
-	/* Cover I/O space with a BAT */
-	/* yuck, better hope your ram size is a power of 2  -- paulus */
-	pcore_set_bat();
 
 	return mpc10x_get_mem_size(MPC10X_MEM_MAP_B);
 }
@@ -212,6 +312,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 {
 	parse_bootinfo(find_bootinfo());
 
+	/* Cover I/O space with a BAT */
+	/* yuck, better hope your ram size is a power of 2  -- paulus */
+	pcore_set_bat();
+
 	isa_io_base = MPC10X_MAPB_ISA_IO_BASE;
 	isa_mem_base = MPC10X_MAPB_ISA_MEM_BASE;
 	pci_dram_offset = MPC10X_MAPB_DRAM_OFFSET;
@@ -241,4 +345,11 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
 	ppc_md.nvram_read_val	= todc_m48txx_read_val;
 	ppc_md.nvram_write_val	= todc_m48txx_write_val;
+
+#ifdef CONFIG_SERIAL_TEXT_DEBUG
+	ppc_md.progress = gen550_progress;
+#endif
+#ifdef CONFIG_KGDB
+	ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
+#endif
 }

arch/ppc/platforms/pcore_pci.c

-/*
- * arch/ppc/platforms/pcore_pci.c
- *
- * PCI support for Force PCORE boards
- *
- * Author: Matt Porter <mporter@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/mpc10x.h>
-
-#include "pcore.h"
-
-#undef DEBUG
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif /* DEBUG */
-
-static inline int __init
-pcore_6750_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
-	 */
-	{
-		{9,	10,	11,	12},	/* IDSEL 24 - DEC 21554 */
-		{10,	0,	0,	0},	/* IDSEL 25 - DEC 21143 */
-		{11,	12,	9,	10},	/* IDSEL 26 - PMC I */
-		{12,	9,	10,	11},	/* IDSEL 27 - PMC II */
-		{0,	0,	0,	0},	/* IDSEL 28 - unused */
-		{0,	0,	9,	0},	/* IDSEL 29 - unused */
-		{0,	0,	0,	0},	/* IDSEL 30 - Winbond */
-		};
-	const long min_idsel = 24, max_idsel = 30, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-};
-
-static inline int __init
-pcore_680_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
-	 */
-	{
-		{9,	10,	11,	12},	/* IDSEL 24 - Sentinel */
-		{10,	0,	0,	0},	/* IDSEL 25 - i82559 #1 */
-		{11,	12,	9,	10},	/* IDSEL 26 - PMC I */
-		{12,	9,	10,	11},	/* IDSEL 27 - PMC II */
-		{9,	0,	0,	0},	/* IDSEL 28 - i82559 #2 */
-		{0,	0,	0,	0},	/* IDSEL 29 - unused */
-		{0,	0,	0,	0},	/* IDSEL 30 - Winbond */
-		};
-	const long min_idsel = 24, max_idsel = 30, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-};
-
-void __init
-pcore_pcibios_fixup(void)
-{
-	struct pci_dev *dev;
-
-	if ((dev = pci_find_device(PCI_VENDOR_ID_WINBOND,
-				PCI_DEVICE_ID_WINBOND_83C553,
-				0)))
-	{
-		/* Reroute interrupts both IDE channels to 15 */
-		pci_write_config_byte(dev,
-				PCORE_WINBOND_IDE_INT,
-				0xff);
-
-		/* Route INTA-D to IRQ9-12, respectively */
-		pci_write_config_word(dev,
-				PCORE_WINBOND_PCI_INT,
-				0x9abc);
-
-		/*
-		 * Set up 8259 edge/level triggering
-		 */
- 		outb(0x00, PCORE_WINBOND_PRI_EDG_LVL);
-		outb(0x1e, PCORE_WINBOND_SEC_EDG_LVL);
-	}
-}
-
-int __init
-pcore_find_bridges(void)
-{
-	struct pci_controller* hose;
-	int host_bridge, board_type;
-
-	hose = pcibios_alloc_controller();
-	if (!hose)
-		return 0;
-
-	mpc10x_bridge_init(hose,
-			MPC10X_MEM_MAP_B,
-			MPC10X_MEM_MAP_B,
-			MPC10X_MAPB_EUMB_BASE);
-
-	/* Determine board type */
-	early_read_config_dword(hose,
-			0,
-			PCI_DEVFN(0,0),
-			PCI_VENDOR_ID,
-			&host_bridge);
-	if (host_bridge == MPC10X_BRIDGE_106)
-		board_type = PCORE_TYPE_6750;
-	else /* MPC10X_BRIDGE_107 */
-		board_type = PCORE_TYPE_680;
-
-	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
-
-	ppc_md.pcibios_fixup = pcore_pcibios_fixup;
-	ppc_md.pci_swizzle = common_swizzle;
-
-	if (board_type == PCORE_TYPE_6750)
-		ppc_md.pci_map_irq = pcore_6750_map_irq;
-	else /* PCORE_TYPE_680 */
-		ppc_md.pci_map_irq = pcore_680_map_irq;
-
-	return board_type;
-}