: linux-2.5.47-uc0 (MMU-less fixups)

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/anna.c arch/v850/kernel/anna.c
@@ -27,11 +27,14 @@
 #include "mach.h"
 
 
-/* SRAM and SDRAM are vaguely contiguous (with a hole in between; see
-   mach_reserve_bootmem for details), so just use both as one big area.  */
+/* SRAM and SDRAM are vaguely contiguous (with a big hole in between; see
+   mach_reserve_bootmem for details); use both as one big area.  */
 #define RAM_START 	SRAM_ADDR
 #define RAM_END		(SDRAM_ADDR + SDRAM_SIZE)
 
+/* The bits of this port are connected to an 8-LED bar-graph.  */
+#define LEDS_PORT	4
+
 
 static void anna_led_tick (void);
 

@@ -60,17 +63,11 @@
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO
-		"CPU: %s\n"
-		"Platform: %s\n",
-		CPU_MODEL_LONG,
-		PLATFORM_LONG);
-
 #ifdef CONFIG_V850E_NB85E_UART_CONSOLE
 	nb85e_uart_cons_init (1);
 #endif
 
-	ANNA_PORT_PM (0) = 0;	/* Make all LED pins output pins.  */
+	ANNA_PORT_PM (LEDS_PORT) = 0;	/* Make all LED pins output pins.  */
 	mach_tick = anna_led_tick;
 }
 

@@ -138,7 +135,7 @@
 	disable_reset_guard ();
 #endif
 	local_irq_disable ();	/* Ignore all interrupts.  */
-	ANNA_PORT_IO(0) = 0xAA;	/* Note that we halted.  */
+	ANNA_PORT_IO(LEDS_PORT) = 0xAA;	/* Note that we halted.  */
 	for (;;)
 		asm ("halt; nop; nop; nop; nop; nop");
 }

@@ -191,9 +188,9 @@
 
 			if (pos + dir <= max_pos) {
 				/* Each bit of port 0 has a LED. */
-				clear_bit (pos, &ANNA_PORT_IO(0));
+				clear_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
 				pos += dir;
-				set_bit (pos, &ANNA_PORT_IO(0));
+				set_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
 			}
 		}
 

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/fpga85e2c.c arch/v850/kernel/fpga85e2c.c
@@ -73,8 +73,6 @@
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO "CPU: NEC V850E2 (NA85E2C FPGA implementation)\n");
-
 	memcons_setup ();
 
 	/* Setup up NMI0 to copy the registers to a known memory location.

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/gbus_int.c arch/v850/kernel/gbus_int.c
@@ -72,7 +72,7 @@
 }
 
 /* Disable all GBUS irqs.  */
-int gbus_int_disable_irqs ()
+void gbus_int_disable_irqs ()
 {
 	unsigned w, n;
 	for (w = 0; w < GBUS_INT_NUM_WORDS; w++)

@@ -183,7 +183,7 @@
 {
 	struct gbus_int_irq_init *init;
 	for (init = inits; init->name; init++) {
-		int i;
+		unsigned i;
 		struct hw_interrupt_type *hwit = hw_irq_types++;
 
 		hwit->typename = init->name;

@@ -200,7 +200,7 @@
 
 		/* Set the interrupt priorities.  */
 		for (i = 0; i < init->num; i++) {
-			int j;
+			unsigned j;
 			for (j = 0; j < NUM_USED_GINTS; j++)
 				if (used_gint[j].priority > init->priority)
 					break;

@@ -222,7 +222,7 @@
 
 /* GBUS interrupts themselves.  */
 
-__init struct gbus_int_irq_init gbus_irq_inits[] = {
+struct gbus_int_irq_init gbus_irq_inits[] __initdata = {
 	/* First set defaults.  */
 	{ "GBUS_INT", IRQ_GBUS_INT(0), IRQ_GBUS_INT_NUM, 1, 6},
 	{ 0 }

@@ -236,7 +236,7 @@
 /* Initialize GBUS interrupts.  */
 void __init gbus_int_init_irqs (void)
 {
-	int i;
+	unsigned i;
 
 	/* First initialize the shared gint interrupts.  */
 	for (i = 0; i < NUM_USED_GINTS; i++) {

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/nb85e_intc.c arch/v850/kernel/nb85e_intc.c
@@ -33,7 +33,7 @@
 {
 	struct nb85e_intc_irq_init *init;
 	for (init = inits; init->name; init++) {
-		int i;
+		unsigned i;
 		struct hw_interrupt_type *hwit = hw_irq_types++;
 
 		hwit->typename = init->name;

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/nb85e_utils.c arch/v850/kernel/nb85e_utils.c
@@ -2,8 +2,8 @@
  * include/asm-v850/nb85e_utils.h -- Utility functions associated with
  *	the NB85E cpu core
  *
- *  Copyright (C) 2001  NEC Corporation
- *  Copyright (C) 2001  Miles Bader <[email protected]>
+ *  Copyright (C) 2001,02  NEC Corporation
+ *  Copyright (C) 2001,02  Miles Bader <[email protected]>
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this

@@ -40,7 +40,7 @@
 	/* Find the lowest clock divider setting that can represent RATE.  */
 	for (_divlog2 = min_divlog2; _divlog2 <= max_divlog2; _divlog2++) {
 		/* Minimum interrupt rate possible using this divider.  */
-		int min_int_rate
+		unsigned min_int_rate
 			= (base_freq >> _divlog2) >> counter_size;
 
 		if (min_int_rate <= rate) {

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/rte_cb.c arch/v850/kernel/rte_cb.c
@@ -60,25 +60,11 @@
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO
-		"CPU: %s\n"
-		"Platform: %s%s\n",
-		CPU_MODEL_LONG,
-		PLATFORM_LONG,
-#ifdef CONFIG_ROM_KERNEL
-		""
-#elif defined (CONFIG_RTE_CB_MULTI)
-		" (with Multi ROM monitor)"
-#else
-		" (with ROM monitor)"
-#endif		
-		);
-
 	/* Probe for Mother-A, and print a message if we find it.  */
-	*(volatile long *)MB_A_SRAM_ADDR = 0xDEADBEEF;
-	if (*(volatile long *)MB_A_SRAM_ADDR == 0xDEADBEEF) {
-		*(volatile long *)MB_A_SRAM_ADDR = 0x12345678;
-		if (*(volatile long *)MB_A_SRAM_ADDR == 0x12345678)
+	*(volatile unsigned long *)MB_A_SRAM_ADDR = 0xDEADBEEF;
+	if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0xDEADBEEF) {
+		*(volatile unsigned long *)MB_A_SRAM_ADDR = 0x12345678;
+		if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0x12345678)
 			printk (KERN_INFO
 				"          NEC SolutionGear/Midas lab"
 				" RTE-MOTHER-A motherboard\n");

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/rte_cb_leds.c arch/v850/kernel/rte_cb_leds.c
@@ -109,10 +109,12 @@
 	else if (whence == 2)
 		offs += LED_NUM_DIGITS; /* end-relative */
 
-	if (offs >= 0 && offs <= LED_NUM_DIGITS)
-		file->f_pos = offs;
-	else
+	if (offs < 0 || offs > LED_NUM_DIGITS)
 		return -EINVAL;
+
+	file->f_pos = offs;
+
+	return 0;
 }
 
 static struct file_operations leds_fops = {

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/rte_mb_a_pci.c arch/v850/kernel/rte_mb_a_pci.c
@@ -239,7 +239,7 @@
 	struct resource *r;
 
 	pci_for_each_dev (dev) {
-		int di_num;
+		unsigned di_num;
 		unsigned class = dev->class >> 8;
 
 		if (class && class != PCI_CLASS_BRIDGE_HOST) {

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/setup.c arch/v850/kernel/setup.c
@@ -78,6 +78,9 @@
 	/* ... and tell the kernel about it.  */
 	init_mem_alloc (ram_start, ram_len);
 
+	printk (KERN_INFO "CPU: %s\nPlatform: %s\n",
+		CPU_MODEL_LONG, PLATFORM_LONG);
+
 	/* do machine-specific setups.  */
 	mach_setup (cmdline);
 

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/signal.c arch/v850/kernel/signal.c
@@ -512,9 +512,10 @@
 	/* Did we come from a system call? */
 	if (PT_REGS_SYSCALL (regs)) {
 		/* Restart the system call - no handlers present */
-		if (regs->gpr[GPR_RVAL] == -ERESTARTNOHAND ||
-		    regs->gpr[GPR_RVAL] == -ERESTARTSYS ||
-		    regs->gpr[GPR_RVAL] == -ERESTARTNOINTR) {
+		if (regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTNOHAND ||
+		    regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTSYS ||
+		    regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTNOINTR)
+		{
 			regs->gpr[12] = PT_REGS_SYSCALL (regs);
 			regs->pc -= 4; /* Size of `trap 0' insn.  */
 		}

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/sim.c arch/v850/kernel/sim.c
@@ -42,8 +42,6 @@
 	const char *err;
 	unsigned long root_dev_addr, root_dev_len;
 
-	printk (KERN_INFO "CPU: NEC V850E (GDB simulator)\n");
-
 	simcons_setup ();
 
 	printk (KERN_INFO "Reading root filesystem: %s", ROOT_FS);

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/sim85e2c.c arch/v850/kernel/sim85e2c.c
@@ -79,8 +79,6 @@
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO "CPU: NEC V850E2 (sim85e2c simulator)\n");
-
 	memcons_setup ();
 }
 

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/arch/v850/kernel/simcons.c arch/v850/kernel/simcons.c
@@ -154,5 +154,5 @@
 {
 	V850_SIM_SYSCALL (make_raw, 0);
 	register_console (&simcons);
-	printk (KERN_INFO "Console: GDB/v850e simulator stdio\n");
+	printk (KERN_INFO "Console: GDB V850E simulator stdio\n");
 }

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/anna.h include/asm-v850/anna.h
@@ -127,6 +127,22 @@
 				     unsigned cflags, unsigned baud);
 #endif
 
+/* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */
+
+/* CTS for UART channel 1 is pin P37 (bit 7 of port 3).  */
+#define NB85E_UART_CTS(chan)	((chan) == 1 ? !(ANNA_PORT_IO(3) & 0x80) : 1)
+/* RTS for UART channel 1 is pin P07 (bit 7 of port 0).  */
+#define NB85E_UART_SET_RTS(chan, val)					      \
+   do {									      \
+	   if (chan == 1) {						      \
+		   unsigned old = ANNA_PORT_IO(0); 			      \
+		   if (val)						      \
+			   ANNA_PORT_IO(0) = old & ~0x80;		      \
+		   else							      \
+			   ANNA_PORT_IO(0) = old | 0x80;		      \
+	   }								      \
+   } while (0)
+
 
 /* Timer C details.  */
 #define NB85E_TIMER_C_BASE_ADDR		0xFFFFF600

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/asm.h include/asm-v850/asm.h
@@ -16,6 +16,10 @@
    .globl name;								      \
    .type  name,@function;						      \
    name
+#define G_DATA(name)							      \
+   .globl name;								      \
+   .type  name,@object;							      \
+   name
 #define END(name)							      \
    .size  name,.-name
 

@@ -23,3 +27,6 @@
    .align 4;								      \
    .type  name,@function;						      \
    name
+#define L_DATA(name)							      \
+   .type  name,@object;							      \
+   name

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/clinkage.h include/asm-v850/clinkage.h
@@ -20,6 +20,7 @@
 #define C_SYMBOL_NAME(name) 	macrology_paste(_, name)
 #define C_SYMBOL_STRING(name)	macrology_stringify(C_SYMBOL_NAME(name))
 #define C_ENTRY(name)		G_ENTRY(C_SYMBOL_NAME(name))
+#define C_DATA(name)		G_DATA(C_SYMBOL_NAME(name))
 #define C_END(name)		END(C_SYMBOL_NAME(name))
 
 #endif /* __V850_CLINKAGE_H__ */

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/fpga85e2c.h include/asm-v850/fpga85e2c.h
@@ -19,8 +19,11 @@
 #include <asm/clinkage.h>
 
 
-#define CPU_ARCH		"v850e2"
-#define CPU_MODEL		"FPGA NA85E2C/V850E2"
+#define CPU_ARCH 	"v850e2"
+#define CPU_MODEL	"v850e2/fpga85e2c"
+#define CPU_MODEL_LONG	"NEC V850E2/NA85E2C"
+#define PLATFORM	"fpga85e2c"
+#define PLATFORM_LONG	"NA85E2C FPGA implementation"
 
 
 /* `external ram'.  */

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/gbus_int.h include/asm-v850/gbus_int.h
@@ -65,7 +65,7 @@
 /* Return true if interrupt handling for interrupt IRQ is enabled.  */
 extern int gbus_int_irq_enabled (unsigned irq);
 /* Disable all GBUS irqs.  */
-extern int gbus_int_disable_irqs (void);
+extern void gbus_int_disable_irqs (void);
 /* Clear any pending interrupts for IRQ.  */
 extern void gbus_int_clear_pending_irq (unsigned irq);
 /* Return true if interrupt IRQ is pending (but disabled).  */

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/processor.h include/asm-v850/processor.h
@@ -30,6 +30,12 @@
  */
 #define TASK_SIZE	(0xFFFFFFFF)
 
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.  We won't be using it.
+ */
+#define TASK_UNMAPPED_BASE	0
+
 
 #ifndef __ASSEMBLY__
 

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/sim.h include/asm-v850/sim.h
@@ -16,7 +16,10 @@
 
 
 #define CPU_ARCH		"v850e"
-#define CPU_MODEL		"GDB/v850e simulator"
+#define CPU_MODEL		"v850e"
+#define CPU_MODEL_LONG		"NEC V850E"
+#define PLATFORM		"gdb/v850e"
+#define PLATFORM_LONG		"GDB V850E simulator"
 
 
 /* We use a wierd value for RAM, not just 0, for testing purposes.

diff -ruN -X../cludes ../orig/linux-2.5.47-uc0/include/asm-v850/sim85e2c.h include/asm-v850/sim85e2c.h
@@ -16,8 +16,11 @@
 #define __V850_SIM85E2C_H__
 
 
-#define CPU_ARCH		"v850e2"
-#define CPU_MODEL		"sim85e2c simulator"
+#define CPU_ARCH 	"v850e2"
+#define CPU_MODEL	"v850e2"
+#define CPU_MODEL_LONG	"NEC V850E2"
+#define PLATFORM	"sim85e2c"
+#define PLATFORM_LONG	"SIM85E2C V850E2 simulator"
 
 
 /* Various memory areas supported by the simulator.