Merge http://xfs.org:8090/xfs-linux-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

arch/ppc/4xx_io/serial_sicc.c

@@ -32,6 +32,7 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
@@ -190,10 +191,6 @@
 #define FALSE 0
 #endif
 
-#define DEBUG 0
-
-
-
 /*
  * Things needed by tty driver
  */
@@ -763,9 +760,7 @@ static void siccuart_change_speed(struct SICC_info *info, struct termios *old_te
 
     cflag = info->tty->termios->c_cflag;
 
-#ifdef DEBUG
-    printk("siccuart_set_cflag(0x%x) called\n", cflag);
-#endif
+    pr_debug("siccuart_set_cflag(0x%x) called\n", cflag);
     /* byte size and parity */
     switch (cflag & CSIZE) {
     case CS7: lcr_h =   _LCR_PE_DISABLE | _LCR_DB_7_BITS | _LCR_SB_1_BIT; bits = 9;  break;
@@ -1027,9 +1022,7 @@ static void siccuart_flush_buffer(struct tty_struct *tty)
     struct SICC_info *info = tty->driver_data;
     unsigned long flags;
 
-#ifdef DEBUG
-    printk("siccuart_flush_buffer(%d) called\n", tty->index);
-#endif
+    pr_debug("siccuart_flush_buffer(%d) called\n", tty->index);
     save_flags(flags); cli();
     info->xmit.head = info->xmit.tail = 0;
     restore_flags(flags);
@@ -1433,9 +1426,7 @@ static void siccuart_close(struct tty_struct *tty, struct file *filp)
 
     state = info->state;
 
-#ifdef DEBUG
-    //printk("siccuart_close() called\n");
-#endif
+    //pr_debug("siccuart_close() called\n");
 
     save_flags(flags); cli();
 
@@ -1544,11 +1535,9 @@ static void siccuart_wait_until_sent(struct tty_struct *tty, int timeout)
         timeout = 2 * info->timeout;
 
     expire = jiffies + timeout;
-#ifdef DEBUG
-    printk("siccuart_wait_until_sent(%d), jiff=%lu, expire=%lu  char_time=%lu...\n",
+    pr_debug("siccuart_wait_until_sent(%d), jiff=%lu, expire=%lu  char_time=%lu...\n",
            tty->index, jiffies,
            expire, char_time);
-#endif
     while ((readb(info->port->uart_base + BL_SICC_LSR) & _LSR_TX_ALL) != _LSR_TX_ALL) {
         set_current_state(TASK_INTERRUPTIBLE);
         schedule_timeout(char_time);
@@ -1831,9 +1820,8 @@ static int siccuart_console_read(struct console *co, const char *s, u_int count)
     unsigned int status;
     char *w;
     int c;
-#ifdef DEBUG
-    printk("siccuart_console_read() called\n");
-#endif
+
+    pr_debug("siccuart_console_read() called\n");
 
     c = 0;
     w = s;

arch/ppc/Kconfig

@@ -609,7 +609,7 @@ config PPC_OF
 
 config PPC_GEN550
 	bool
-	depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE
+	depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE || PRPMC750 || K2
 	default y
 
 config FORCE

arch/ppc/kernel/signal.c

@@ -33,7 +33,7 @@
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
 
-#define DEBUG_SIG 0
+#undef DEBUG_SIG
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 

arch/ppc/platforms/Makefile

@@ -33,7 +33,7 @@ obj-$(CONFIG_EST8260)		+= est8260_setup.o
 obj-$(CONFIG_TQM8260)		+= tqm8260_setup.o
 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_K2)		+= k2.o
 obj-$(CONFIG_LOPEC)		+= lopec_setup.o lopec_pci.o
 obj-$(CONFIG_MCPN765)		+= mcpn765.o
 obj-$(CONFIG_MENF1)		+= menf1_setup.o menf1_pci.o
@@ -42,7 +42,7 @@ obj-$(CONFIG_PAL4)		+= pal4_setup.o pal4_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
+obj-$(CONFIG_PRPMC750)		+= prpmc750.o
 obj-$(CONFIG_PRPMC800)		+= prpmc800_setup.o prpmc800_pci.o
 obj-$(CONFIG_SANDPOINT)		+= sandpoint.o
 obj-$(CONFIG_SPRUCE)		+= spruce.o

arch/ppc/platforms/chrp_setup.c

@@ -407,6 +407,9 @@ void __init chrp_init_IRQ(void)
 	OpenPIC_NumInitSenses = NR_IRQS - NUM_8259_INTERRUPTS;
 
 	openpic_init(NUM_8259_INTERRUPTS);
+	/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
+	openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+			       i8259_irq);
 
 	for (i = 0; i < NUM_8259_INTERRUPTS; i++)
 		irq_desc[i].handler = &i8259_pic;

arch/ppc/platforms/k2_setup.c

-/*
- * arch/ppc/platforms/k2_setup.c
- *
- * Board setup routines for SBS K2
- *
- * 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/config.h>
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/pci.h>
-#include <linux/kdev_t.h>
-#include <linux/types.h>
-#include <linux/major.h>
-#include <linux/initrd.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/ide.h>
-#include <linux/irq.h>
-#include <linux/seq_file.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>
-#include <asm/i8259.h>
-#include <asm/todc.h>
-#include <asm/bootinfo.h>
-
-#include "k2.h"
-
-extern void k2_setup_hoses(void);
-extern unsigned long loops_per_jiffy;
-
-static unsigned int cpu_7xx[16] = {
-	0, 15, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0
-};
-static unsigned int cpu_6xx[16] = {
-	0, 0, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 0, 12, 7, 0
-};
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-/* IDE functions */
-
-static void __init
-k2_ide_init_hwif_ports (hw_regs_t *hw, unsigned long data_port,
-		unsigned long ctrl_port, int *irq)
-{
-	unsigned long reg = data_port;
-	int i = 8;
-
-	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
-		hw->io_ports[i] = reg;
-		reg += 1;
-	}
-	if (ctrl_port)
-		hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
-	else
-		hw->io_ports[IDE_CONTROL_OFFSET] =
-			hw->io_ports[IDE_DATA_OFFSET] + 0x206;
-
-	if (irq != NULL)
-		*irq = 0;
-}
-#endif
-
-static int
-k2_get_bus_speed(void)
-{
-	int bus_speed;
-	unsigned char board_id;
-
-	board_id = *(unsigned char *)K2_BOARD_ID_REG;
-
-	switch( K2_BUS_SPD(board_id) ) {
-
-		case 0:
-		default:
-			bus_speed = 100000000;
-			break;
-
-		case 1:
-			bus_speed = 83333333;
-			break;
-
-		case 2:
-			bus_speed = 75000000;
-			break;
-
-		case 3:
-			bus_speed = 66666666;
-			break;
-	}
-	return bus_speed;
-}
-
-static int
-k2_get_cpu_speed(void)
-{
-	unsigned long hid1;
-	int cpu_speed;
-
-	hid1 = mfspr(HID1) >> 28;
-
-	if ((mfspr(PVR) >> 16) == 8)
-		hid1 = cpu_7xx[hid1];
-	else
-		hid1 = cpu_6xx[hid1];
-
-	cpu_speed = k2_get_bus_speed()*hid1/2;
-	return cpu_speed;
-}
-
-static void __init
-k2_calibrate_decr(void)
-{
-	int freq, divisor = 4;
-
-	/* determine processor bus speed */
-	freq = k2_get_bus_speed();
-	tb_ticks_per_jiffy = freq / HZ / divisor;
-	tb_to_us = mulhwu_scale_factor(freq/divisor, 1000000);
-}
-
-static int
-k2_show_cpuinfo(struct seq_file *m)
-{
-	unsigned char k2_geo_bits, k2_system_slot;
-
-	seq_printf(m, "vendor\t\t: SBS\n");
-	seq_printf(m, "machine\t\t: K2\n");
-	seq_printf(m, "cpu speed\t: %dMhz\n", k2_get_cpu_speed()/1000000);
-	seq_printf(m, "bus speed\t: %dMhz\n", k2_get_bus_speed()/1000000);
-	seq_printf(m, "memory type\t: SDRAM\n");
-
-	k2_geo_bits = readb(K2_MSIZ_GEO_REG) & K2_GEO_ADR_MASK;
-	k2_system_slot = !(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK);
-	seq_printf(m, "backplane\t: %s slot board",
-		k2_system_slot ? "System" : "Non system");
-	seq_printf(m, "with geographical address %x\n",	k2_geo_bits);
-
-	return 0;
-}
-
-extern char cmd_line[];
-
-TODC_ALLOC();
-
-static void __init
-k2_setup_arch(void)
-{
-	unsigned int cpu;
-
-	/* Setup TODC access */
-	TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
-		  ioremap(K2_RTC_BASE_ADDRESS, K2_RTC_SIZE),
-		  8);
-
-	/* init to some ~sane value until calibrate_delay() runs */
-        loops_per_jiffy = 50000000/HZ;
-
-	/* Setup PCI host bridges */
-        k2_setup_hoses();
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	if (initrd_start)
-		ROOT_DEV = Root_RAM0;
-	else
-#endif
-#ifdef CONFIG_ROOT_NFS
-		ROOT_DEV = Root_NFS;
-#else
-		ROOT_DEV = Root_HDC1;
-#endif
-
-#ifdef CONFIG_DUMMY_CONSOLE
-	conswitchp = &dummy_con;
-#endif
-
-	/* Identify the system */
-	printk("System Identification: SBS K2 - PowerPC 750 @ %d Mhz\n", k2_get_cpu_speed()/1000000);
-	printk("SBS K2 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
-
-	/* Identify the CPU manufacturer */
-	cpu = PVR_REV(mfspr(PVR));
-	printk("CPU manufacturer: %s [rev=%04x]\n", (cpu & (1<<15)) ? "IBM" :
-	       "Motorola", cpu);
-}
-
-static void
-k2_restart(char *cmd)
-{
-	local_irq_disable();
-	/* SRR0 has system reset vector, SRR1 has default MSR value */
-	/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
-	__asm__ __volatile__
-	("lis	3,0xfff0\n\t"
-	 "ori	3,3,0x0100\n\t"
-	 "mtspr	26,3\n\t"
-	 "li	3,0\n\t"
-	 "mtspr	27,3\n\t"
-	 "rfi\n\t");
-	for(;;);
-}
-
-static void
-k2_power_off(void)
-{
-	for(;;);
-}
-
-static void
-k2_halt(void)
-{
-	k2_restart(NULL);
-}
-
-/*
- * Set BAT 3 to map PCI32 I/O space.
- */
-static __inline__ void
-k2_set_bat(void)
-{
-	unsigned long   bat3u, bat3l;
-	static int	mapping_set = 0;
-
-	if (!mapping_set)
-	{
-		__asm__ __volatile__
-		("lis %0,0x8000\n\t"
-		 "ori %1,%0,0x002a\n\t"
-		 "ori %0,%0,0x1ffe\n\t"
-		 "mtspr 0x21e,%0\n\t"
-		 "mtspr 0x21f,%1\n\t"
-		 "isync\n\t"
-		 "sync\n\t"
-		 : "=r" (bat3u), "=r" (bat3l));
-
-		mapping_set = 1;
-	}
-	return;
-}
-
-static unsigned long __init
-k2_find_end_of_memory(void)
-{
-	unsigned long total;
-	unsigned char msize = 7;        /* Default to 128MB */
-
-	k2_set_bat();
-
-	msize = K2_MEM_SIZE(readb(K2_MSIZ_GEO_REG));
-
-	switch (msize)
-	{
-		case 2:
-			/*
-			 * This will break without a lowered
-			 * KERNELBASE or CONFIG_HIGHMEM on.
-			 * It seems non 1GB builds exist yet,
-			 * though.
-			 */
-			total = K2_MEM_SIZE_1GB;
-			break;
-		case 3:
-		case 4:
-			total = K2_MEM_SIZE_512MB;
-			break;
-		case 5:
-		case 6:
-			total = K2_MEM_SIZE_256MB;
-			break;
-		case 7:
-			total = K2_MEM_SIZE_128MB;
-			break;
-		default:
-			printk("K2: Invalid memory size detected, defaulting to 128MB\n");
-				total = K2_MEM_SIZE_128MB;
-			break;
-	}
-	return total;
-}
-
-static void __init
-k2_map_io(void)
-{
-	io_block_mapping(K2_PCI32_IO_BASE,
-			K2_PCI32_IO_BASE,
-			0x00200000,
-			_PAGE_IO);
-	io_block_mapping(0xff000000,
-			0xff000000,
-			0x01000000,
-			_PAGE_IO);
-}
-
-static void __init
-k2_init_irq(void)
-{
-	int i;
-
-	for ( i = 0 ; i < 16 ; i++ )
-		irq_desc[i].handler = &i8259_pic;
-
-	i8259_init(NULL);
-}
-
-void __init platform_init(unsigned long r3, unsigned long r4,
-		unsigned long r5, unsigned long r6, unsigned long r7)
-{
-	parse_bootinfo((struct bi_record *) (r3 + KERNELBASE));
-
-	isa_io_base = K2_ISA_IO_BASE;
-	isa_mem_base = K2_ISA_MEM_BASE;
-	pci_dram_offset = K2_PCI32_SYS_MEM_BASE;
-
-	ppc_md.setup_arch = k2_setup_arch;
-	ppc_md.show_cpuinfo = k2_show_cpuinfo;
-	ppc_md.init_IRQ = k2_init_irq;
-	ppc_md.get_irq = i8259_irq;
-
-	ppc_md.find_end_of_memory = k2_find_end_of_memory;
-	ppc_md.setup_io_mappings = k2_map_io;
-
-	ppc_md.restart = k2_restart;
-	ppc_md.power_off = k2_power_off;
-	ppc_md.halt = k2_halt;
-
-	ppc_md.time_init = todc_time_init;
-	ppc_md.set_rtc_time = todc_set_rtc_time;
-	ppc_md.get_rtc_time = todc_get_rtc_time;
-	ppc_md.calibrate_decr = k2_calibrate_decr;
-
-	ppc_md.nvram_read_val = todc_direct_read_val;
-	ppc_md.nvram_write_val = todc_direct_write_val;
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-	ppc_ide_md.ide_init_hwif = k2_ide_init_hwif_ports;
-#endif
-}
-

arch/ppc/platforms/lopec_setup.c

@@ -208,6 +208,9 @@ lopec_init_IRQ(void)
 	openpic_set_sources(19, 1, OpenPIC_Addr + 0x110C0);
 
 	openpic_init(NUM_8259_INTERRUPTS);
+	/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
+	openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+			&i8259_irq);
 
 	/* Map i8259 interrupts */
 	for(i = 0; i < NUM_8259_INTERRUPTS; i++)

arch/ppc/platforms/mcpn765.c

@@ -30,9 +30,6 @@
 #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>
@@ -385,6 +382,8 @@ mcpn765_init_IRQ(void)
 		ppc_md.progress("init_irq: enter", 0);
 
 	openpic_init(NUM_8259_INTERRUPTS);
+	openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+			i8259_irq);
 
 	for(i=0; i < NUM_8259_INTERRUPTS; i++)
 		irq_desc[i].handler = &i8259_pic;

arch/ppc/platforms/mvme5100_setup.c

@@ -138,6 +138,7 @@ mvme5100_init_IRQ(void)
 
 #ifdef CONFIG_MVME5100_IPMC761_PRESENT
 	openpic_init(1, NUM_8259_INTERRUPTS, NULL, -1);
+	openpic_hookup_cascade(NUM_8259_INTERRUPTS,"82c59 cascade",&i8259_irq);
 
 	for(i=0; i < NUM_8259_INTERRUPTS; i++)
 		irq_desc[i].handler = &i8259_pic;

arch/ppc/platforms/pplus.c

@@ -672,6 +672,8 @@ static void __init pplus_init_IRQ(void)
 
 		openpic_set_sources(0, 16, OpenPIC_Addr + 0x10000);
 		openpic_init(NUM_8259_INTERRUPTS);
+		openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+					i8259_irq);
 		ppc_md.get_irq = openpic_get_irq;
 	}
 

arch/ppc/platforms/prep_setup.c

@@ -134,6 +134,7 @@ EXPORT_SYMBOL(ppc_cs4232_dma2);
 #define PREP_IBM_CAROLINA_IDE_0	0xf0
 #define PREP_IBM_CAROLINA_IDE_1	0xf1
 #define PREP_IBM_CAROLINA_IDE_2	0xf2
+#define PREP_IBM_CAROLINA_IDE_3	0xf3
 /* 7248-43P */
 #define PREP_IBM_CAROLINA_SCSI_0	0xf4
 #define PREP_IBM_CAROLINA_SCSI_1	0xf5
@@ -855,8 +856,12 @@ prep_init_IRQ(void)
 	int i;
 	unsigned int pci_viddid, pci_did;
 
-	if (OpenPIC_Addr != NULL)
+	if (OpenPIC_Addr != NULL) {
 		openpic_init(NUM_8259_INTERRUPTS);
+		/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
+		openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+				       i8259_irq);
+	}
 	for ( i = 0 ; i < NUM_8259_INTERRUPTS ; i++ )
 		irq_desc[i].handler = &i8259_pic;
 	/* If we have a Raven PCI bridge or a Hawk PCI bridge / Memory

arch/ppc/platforms/prpmc750.h

@@ -19,27 +19,47 @@
 
 #include <linux/serial_reg.h>
 
-#define PRPMC750_PCI_CONFIG_ADDR	0x80000cf8
-#define PRPMC750_PCI_CONFIG_DATA	0x80000cfc
+/*
+ * Due to limiations imposed by legacy hardware (primaryily IDE controllers),
+ * the PrPMC750 carrier board operates using a PReP address map.
+ *
+ * From Processor (physical) -> PCI:
+ *   PCI Mem Space: 0xc0000000 - 0xfe000000 -> 0x00000000 - 0x3e000000 (768 MB)
+ *   PCI I/O Space: 0x80000000 - 0x90000000 -> 0x00000000 - 0x10000000 (256 MB)
+ *	Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area
+ *
+ * From PCI -> Processor (physical):
+ *   System Memory: 0x80000000 -> 0x00000000
+ */
 
-#define PRPMC750_PCI_PHY_MEM_BASE	0xc0000000
-#define PRPMC750_PCI_MEM_BASE		0xf0000000
-#define PRPMC750_PCI_IO_BASE		0x80000000
+#define PRPMC750_ISA_IO_BASE		PREP_ISA_IO_BASE
+#define PRPMC750_ISA_MEM_BASE		PREP_ISA_MEM_BASE
 
-#define PRPMC750_ISA_IO_BASE		PRPMC750_PCI_IO_BASE
-#define PRPMC750_ISA_MEM_BASE		PRPMC750_PCI_MEM_BASE
-#define PRPMC750_PCI_MEM_OFFSET		PRPMC750_PCI_PHY_MEM_BASE
+/* PCI Memory space mapping info */
+#define PRPMC750_PCI_MEM_SIZE		0x30000000U
+#define PRPMC750_PROC_PCI_MEM_START	PRPMC750_ISA_MEM_BASE
+#define PRPMC750_PROC_PCI_MEM_END	(PRPMC750_PROC_PCI_MEM_START +	\
+					 PRPMC750_PCI_MEM_SIZE - 1)
+#define PRPMC750_PCI_MEM_START		0x00000000U
+#define PRPMC750_PCI_MEM_END		(PRPMC750_PCI_MEM_START +	\
+					 PRPMC750_PCI_MEM_SIZE - 1)
 
-#define PRPMC750_SYS_MEM_BASE		0x80000000
+/* PCI I/O space mapping info */
+#define PRPMC750_PCI_IO_SIZE		0x10000000U
+#define PRPMC750_PROC_PCI_IO_START	PRPMC750_ISA_IO_BASE
+#define PRPMC750_PROC_PCI_IO_END	(PRPMC750_PROC_PCI_IO_START +	\
+					 PRPMC750_PCI_IO_SIZE - 1)
+#define PRPMC750_PCI_IO_START		0x00000000U
+#define PRPMC750_PCI_IO_END		(PRPMC750_PCI_IO_START + 	\
+					 PRPMC750_PCI_IO_SIZE - 1)
 
-#define PRPMC750_PCI_LOWER_MEM		0x00000000
-#define PRPMC750_PCI_UPPER_MEM_AUTO	0x3bf7ffff
-#define PRPMC750_PCI_UPPER_MEM		0x3bffffff
-#define PRPMC750_PCI_LOWER_IO		0x00000000
-#define PRPMC750_PCI_UPPER_IO		0x0ff7ffff
+/* System memory mapping info */
+#define PRPMC750_PCI_DRAM_OFFSET	PREP_PCI_DRAM_OFFSET
+#define PRPMC750_PCI_PHY_MEM_OFFSET	(PRPMC750_ISA_MEM_BASE-PRPMC750_PCI_MEM_START)
 
-#define PRPMC750_HAWK_MPIC_BASE		0xfbf80000
-#define PRPMC750_HAWK_SMC_BASE		0xfef80000
+/* Register address definitions */
+#define PRPMC750_HAWK_SMC_BASE		0xfef80000U
+#define PRPMC750_HAWK_PPC_REG_BASE	0xfeff0000U
 
 #define PRPMC750_BASE_BAUD		1843200
 #define PRPMC750_SERIAL_0		0xfef88000

arch/ppc/platforms/prpmc750_pci.c

-/*
- * arch/ppc/platforms/prpmc750_pci.c
- *
- * PCI support for Motorola PrPMC750
- *
- * 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 <platforms/prpmc750.h>
-
-/*
- * Motorola PrPMC750/PrPMC800 in PrPMCBASE or PrPMC-Carrier
- * Combined irq tables.  Only Base has IDSEL 14, only Carrier has 21 and 22.
- */
-static inline int
-prpmc_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
-	 */
-	{
-		{12,	0,	0,	0},  /* IDSEL 14 - Ethernet, base */
-		{0,	0,	0,	0},  /* IDSEL 15 - unused */
-		{10,	11,	12,	9},  /* IDSEL 16 - PMC A1, PMC1 */
-		{10,	11,	12,	9},  /* IDSEL 17 - PrPMC-A-B, PMC2-B */
-		{11,	12,	9,	10}, /* IDSEL 18 - PMC A1-B, PMC1-B */
-		{0,	0,	0,	0},  /* IDSEL 19 - unused */
-		{9,	10,	11,	12}, /* IDSEL 20 - P2P Bridge */
-		{11,	12,	9,	10}, /* IDSEL 21 - PMC A2, carrier */
-		{12,	9,	10,	11}, /* IDSEL 22 - PMC A2-B, carrier */
-	};
-	const long min_idsel = 14, max_idsel = 22, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-};
-
-static void __init
-prpmc750_pcibios_fixup(void)
-{
-	struct pci_dev *dev;
-	unsigned short wtmp;
-
-	/*
-	 * Kludge to clean up after PPC6BUG which doesn't
-	 * configure the CL5446 VGA card.  Also the
-	 * resource subsystem doesn't fixup the
-	 * PCI mem resources on the CL5446.
-	 */
-	if ((dev = pci_find_device(PCI_VENDOR_ID_CIRRUS,
-				PCI_DEVICE_ID_CIRRUS_5446, 0)))
-	{
-		dev->resource[0].start += PRPMC750_PCI_PHY_MEM_BASE;
-		dev->resource[0].end += PRPMC750_PCI_PHY_MEM_BASE;
-		pci_read_config_word(dev,
-				PCI_COMMAND,
-				&wtmp);
-		pci_write_config_word(dev,
-				PCI_COMMAND,
-				wtmp|3);
-		/* Enable Color mode in MISC reg */
-		outb(0x03, 0x3c2);
-		/* Select DRAM config reg */
-		outb(0x0f, 0x3c4);
-		/* Set proper DRAM config */
-		outb(0xdf, 0x3c5);
-	}
-}
-
-void __init
-prpmc750_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 = PRPMC750_PCI_PHY_MEM_BASE;
-
-	pci_init_resource(&hose->io_resource,
-			PRPMC750_PCI_LOWER_IO,
-			PRPMC750_PCI_UPPER_IO,
-			IORESOURCE_IO,
-			"PCI host bridge");
-
-	pci_init_resource(&hose->mem_resources[0],
-			PRPMC750_PCI_LOWER_MEM + PRPMC750_PCI_PHY_MEM_BASE,
-			PRPMC750_PCI_UPPER_MEM + PRPMC750_PCI_PHY_MEM_BASE,
-			IORESOURCE_MEM,
-			"PCI host bridge");
-
-	hose->io_space.start = PRPMC750_PCI_LOWER_IO;
-	hose->io_space.end = PRPMC750_PCI_UPPER_IO;
-	hose->mem_space.start = PRPMC750_PCI_LOWER_MEM;
-	hose->mem_space.end = PRPMC750_PCI_UPPER_MEM_AUTO;
-
-	hose->io_base_virt = (void *)PRPMC750_ISA_IO_BASE;
-
-	setup_indirect_pci(hose,
-			PRPMC750_PCI_CONFIG_ADDR,
-			PRPMC750_PCI_CONFIG_DATA);
-
-	/*
-	 * Disable MPIC response to PCI I/O space (BAR 0).
-	 * Make MPIC respond to PCI Mem space at specified address.
-	 * (BAR 1).
-	 */
-	early_write_config_dword(hose,
-			         0,
-			         PCI_DEVFN(0,0),
-			         PCI_BASE_ADDRESS_0,
-			         0x00000000 | 0x1);
-
-	early_write_config_dword(hose,
-			         0,
-			         PCI_DEVFN(0,0),
-			         PCI_BASE_ADDRESS_1,
-			         (PRPMC750_HAWK_MPIC_BASE -
-				 	PRPMC750_PCI_MEM_OFFSET) | 0x0);
-
-	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
-
-	ppc_md.pcibios_fixup = prpmc750_pcibios_fixup;
-	ppc_md.pci_swizzle = common_swizzle;
-	ppc_md.pci_map_irq = prpmc_map_irq;
-}

arch/ppc/platforms/sandpoint.c

@@ -444,6 +444,8 @@ sandpoint_init_IRQ(void)
 	openpic_set_sources(0, 16, OpenPIC_Addr + 0x10200);
 
 	openpic_init(NUM_8259_INTERRUPTS);
+	openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
+			i8259_irq);
 
 	/*
 	 * openpic_init() has set up irq_desc[16-31] to be openpic

arch/ppc/syslib/Makefile

@@ -39,7 +39,7 @@ obj-$(CONFIG_ADIR)		+= i8259.o indirect_pci.o pci_auto.o \
 obj-$(CONFIG_EBONY)		+= indirect_pci.o pci_auto.o todc_time.o
 obj-$(CONFIG_EV64260)		+= gt64260_common.o gt64260_pic.o \
 					indirect_pci.o todc_time.o pci_auto.o
-obj-$(CONFIG_GEMINI)		+= open_pic.o i8259.o indirect_pci.o
+obj-$(CONFIG_GEMINI)		+= open_pic.o indirect_pci.o
 obj-$(CONFIG_K2)		+= i8259.o indirect_pci.o todc_time.o \
 					pci_auto.o
 obj-$(CONFIG_LOPEC)		+= pci_auto.o open_pic.o i8259.o todc_time.o

arch/ppc/syslib/cpc710.h

@@ -26,8 +26,10 @@
 #define	ERRC	0xff001050
 #define	SESR	0xff001060
 #define	SEAR	0xff001070
+#define	SIOC1	0xff001090
 #define	PGCHP	0xff001100
 #define	GPDIR	0xff001130
+#define	GPOUT	0xff001150
 #define	ATAS	0xff001160
 #define	AVDG	0xff001170
 #define	MCCR	0xff001200

arch/ppc/syslib/open_pic.c

@@ -48,6 +48,8 @@ static u_int NumProcessors;
 static u_int NumSources;
 static int open_pic_irq_offset;
 static volatile OpenPIC_Source *ISR[NR_IRQS];
+static int openpic_cascade_irq = -1;
+static int (*openpic_cascade_fn)(struct pt_regs *);
 
 /* Global Operations */
 static void openpic_disable_8259_pass_through(void);
@@ -416,13 +418,6 @@ void __init openpic_init(int offset)
 	/* Initialize the spurious interrupt */
 	if (ppc_md.progress) ppc_md.progress("openpic: spurious",0x3bd);
 	openpic_set_spurious(OPENPIC_VEC_SPURIOUS+offset);
-
-	/* Initialize the cascade */
-	if (offset) {
-		if (request_irq(offset, no_action, SA_INTERRUPT,
-				"82c59 cascade", NULL))
-			printk("Unable to get OpenPIC IRQ 0 for cascade\n");
-	}
 	openpic_disable_8259_pass_through();
 #ifdef CONFIG_EPIC_SERIAL_MODE
 	openpic_eicr_set_clk(7);	/* Slowest value until we know better */
@@ -682,6 +677,19 @@ openpic_init_nmi_irq(u_int irq)
  *
  */
 
+/*
+ * Hookup a cascade to the OpenPIC.
+ */
+void __init
+openpic_hookup_cascade(u_int irq, char *name,
+	int (*cascade_fn)(struct pt_regs *))
+{
+	openpic_cascade_irq = irq;
+	openpic_cascade_fn = cascade_fn;
+	if (request_irq(irq, no_action, SA_INTERRUPT, name, NULL))
+		printk("Unable to get OpenPIC IRQ %d for cascade\n",
+				irq - open_pic_irq_offset);
+}
 
 /*
  *  Enable/disable an external interrupt source
@@ -841,13 +849,18 @@ openpic_get_irq(struct pt_regs *regs)
 	int irq = openpic_irq();
 
 	/*
-	 * This needs to be cleaned up.  We don't necessarily have
-	 * an i8259 cascaded or even a cascade.
+	 * Check for the cascade interrupt and call the cascaded
+	 * interrupt controller function (usually i8259_irq) if so.
+	 * This should move to irq.c eventually.  -- paulus
 	 */
-	if (open_pic_irq_offset && irq == open_pic_irq_offset) {
-		/* Get the IRQ from the cascade. */
-		irq = i8259_irq(regs);
+	if (irq == openpic_cascade_irq && openpic_cascade_fn != NULL) {
+		int cirq = openpic_cascade_fn(regs);
+
+		/* Allow for the cascade being shared with other devices */
+		if (cirq != -1) {
+			irq = cirq;
 			openpic_eoi();
+		}
         } else if (irq == OPENPIC_VEC_SPURIOUS + open_pic_irq_offset)
 		irq = -1;
 	return irq;

arch/ppc64/mm/numa.c

@@ -184,6 +184,8 @@ static int __init parse_numa_properties(void)
 		if (numa_domain >= MAX_NUMNODES)
 			BUG();
 
+		node_set_online(numa_domain);
+
 		if (max_domain < numa_domain)
 			max_domain = numa_domain;
 

fs/dquot.c

@@ -1325,7 +1325,6 @@ int vfs_quota_off(struct super_block *sb, int type)
 		dqopt->ops[cnt] = NULL;
 	}
 	up(&dqopt->dqonoff_sem);
-out:
 	return 0;
 }
 

include/asm-ppc/elf.h

@@ -74,6 +74,8 @@ typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
 
 #ifdef __KERNEL__
 
+struct task_struct;
+
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */

include/asm-ppc/open_pic.h

@@ -41,6 +41,8 @@ extern void* OpenPIC_Addr;
 extern void openpic_set_sources(int first_irq, int num_irqs, void *isr);
 extern void openpic_init(int linux_irq_offset);
 extern void openpic_init_nmi_irq(u_int irq);
+extern void openpic_hookup_cascade(u_int irq, char *name,
+				   int (*cascade_fn)(struct pt_regs *));
 extern u_int openpic_irq(void);
 extern void openpic_eoi(void);
 extern void openpic_request_IPIs(void);