Merge branch 'master' of git://git.denx.de/u-boot-microblaze

* 'master' of git://git.denx.de/u-boot-microblaze:
  microblaze: Wire up SPI driver
  spi: microblaze: Adds driver for Xilinx SPI controller
  microblaze: intc: Clear interrupt code
  microblaze: Call serial multi initialization
  microblaze: Move __udelay implementation
  microblaze: Remove extern from board.c
  microblaze: Wire up dts configuration
  fdt: Add board specific dts inclusion
  microblaze: Move individual board linker scripts to common script in cpu tree.
  microblaze: Add gpio.h
  microblaze: Add missing undefs for UBI and UBIFS
  microblaze: Expand and correct configuration comments
  microblaze: Enable ubi support
  microblaze: Avoid compile error on systems without cfi flash
  microblaze: Remove wrong define CONFIG_SYS_FLASH_PROTECTION

Conflicts:
	drivers/spi/Makefile

Signed-off-by: Wolfgang Denk <wd@denx.de>

10 files changed, 192 insertions, 94 deletions

diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk
index abea70b..aca79e2 100644
--- a/arch/microblaze/config.mk
+++ b/arch/microblaze/config.mk
@@ -29,3 +29,5 @@ CROSS_COMPILE ?= mb-
 CONFIG_STANDALONE_LOAD_ADDR ?= 0x80F00000
 
 PLATFORM_CPPFLAGS += -ffixed-r31 -D__microblaze__
+
+LDSCRIPT ?= $(SRCTREE)/$(CPUDIR)/u-boot.lds
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index e7ca859..ee67082 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -26,6 +26,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <malloc.h>
 #include <asm/microblaze_intc.h>
 #include <asm/asm.h>
 
@@ -48,20 +49,19 @@ int disable_interrupts (void)
 	return (msr & 0x2) != 0;
 }
 
-#ifdef CONFIG_SYS_INTC_0
-
-static struct irq_action vecs[CONFIG_SYS_INTC_0_NUM];
+static struct irq_action *vecs;
+static u32 irq_no;
 
 /* mapping structure to interrupt controller */
-microblaze_intc_t *intc = (microblaze_intc_t *) (CONFIG_SYS_INTC_0_ADDR);
+microblaze_intc_t *intc;
 
 /* default handler */
-void def_hdlr (void)
+static void def_hdlr(void)
 {
 	puts ("def_hdlr\n");
 }
 
-void enable_one_interrupt (int irq)
+static void enable_one_interrupt(int irq)
 {
 	int mask;
 	int offset = 1;
@@ -76,7 +76,7 @@ void enable_one_interrupt (int irq)
 #endif
 }
 
-void disable_one_interrupt (int irq)
+static void disable_one_interrupt(int irq)
 {
 	int mask;
 	int offset = 1;
@@ -96,7 +96,7 @@ void install_interrupt_handler (int irq, interrupt_handler_t * hdlr, void *arg)
 {
 	struct irq_action *act;
 	/* irq out of range */
-	if ((irq < 0) || (irq > CONFIG_SYS_INTC_0_NUM)) {
+	if ((irq < 0) || (irq > irq_no)) {
 		puts ("IRQ out of range\n");
 		return;
 	}
@@ -114,7 +114,7 @@ void install_interrupt_handler (int irq, interrupt_handler_t * hdlr, void *arg)
 }
 
 /* initialization interrupt controller - hardware */
-void intc_init (void)
+static void intc_init(void)
 {
 	intc->mer = 0;
 	intc->ier = 0;
@@ -127,18 +127,33 @@ void intc_init (void)
 #endif
 }
 
-int interrupts_init (void)
+int interrupts_init(void)
 {
 	int i;
-	/* initialize irq list */
-	for (i = 0; i < CONFIG_SYS_INTC_0_NUM; i++) {
-		vecs[i].handler = (interrupt_handler_t *) def_hdlr;
-		vecs[i].arg = (void *)i;
-		vecs[i].count = 0;
+
+#if defined(CONFIG_SYS_INTC_0_ADDR) && defined(CONFIG_SYS_INTC_0_NUM)
+	intc = (microblaze_intc_t *) (CONFIG_SYS_INTC_0_ADDR);
+	irq_no = CONFIG_SYS_INTC_0_NUM;
+#endif
+	if (irq_no) {
+		vecs = calloc(1, sizeof(struct irq_action) * irq_no);
+		if (vecs == NULL) {
+			puts("Interrupt vector allocation failed\n");
+			return -1;
+		}
+
+		/* initialize irq list */
+		for (i = 0; i < irq_no; i++) {
+			vecs[i].handler = (interrupt_handler_t *) def_hdlr;
+			vecs[i].arg = (void *)i;
+			vecs[i].count = 0;
+		}
+		/* initialize intc controller */
+		intc_init();
+		enable_interrupts();
+	} else {
+		puts("Undefined interrupt controller\n");
 	}
-	/* initialize intc controller */
-	intc_init ();
-	enable_interrupts ();
 	return 0;
 }
 
@@ -172,33 +187,30 @@ void interrupt_handler (void)
 	printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
 #endif
 }
-#endif
 
 #if defined(CONFIG_CMD_IRQ)
-#ifdef CONFIG_SYS_INTC_0
-int do_irqinfo (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, const char *argv[])
 {
 	int i;
 	struct irq_action *act = vecs;
 
-	puts ("\nInterrupt-Information:\n\n"
-	      "Nr  Routine   Arg       Count\n"
-	      "-----------------------------\n");
-
-	for (i = 0; i < CONFIG_SYS_INTC_0_NUM; i++) {
-		if (act->handler != (interrupt_handler_t*) def_hdlr) {
-			printf ("%02d  %08x  %08x  %d\n", i,
-				(int)act->handler, (int)act->arg, act->count);
+	if (irq_no) {
+		puts("\nInterrupt-Information:\n\n"
+		      "Nr  Routine   Arg       Count\n"
+		      "-----------------------------\n");
+
+		for (i = 0; i < irq_no; i++) {
+			if (act->handler != (interrupt_handler_t *) def_hdlr) {
+				printf("%02d  %08x  %08x  %d\n", i,
+					(int)act->handler, (int)act->arg,
+								act->count);
+			}
+			act++;
 		}
-		act++;
+		puts("\n");
+	} else {
+		puts("Undefined interrupt controller\n");
 	}
-	puts ("\n");
-	return (0);
-}
-#else
-int do_irqinfo (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
-	puts ("Undefined interrupt controller\n");
+	return 0;
 }
 #endif
-#endif
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 9077f74..8a2f634 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -108,7 +108,6 @@ _start:
 	sh	r6, r0, r8
 #endif
 
-#ifdef CONFIG_SYS_INTC_0
 	/* interrupt_handler */
 	swi	r2, r0, 0x10	/* interrupt - imm opcode */
 	swi	r3, r0, 0x14	/* interrupt - brai opcode */
@@ -120,7 +119,6 @@ _start:
 	sh	r7, r0, r8
 	rsubi	r8, r10, 0x16
 	sh	r6, r0, r8
-#endif
 
 	/* hardware exception */
 	swi	r2, r0, 0x20	/* hardware exception - imm opcode */
diff --git a/arch/microblaze/cpu/timer.c b/arch/microblaze/cpu/timer.c
index 1952804..cc6b897 100644
--- a/arch/microblaze/cpu/timer.c
+++ b/arch/microblaze/cpu/timer.c
@@ -40,7 +40,25 @@ ulong get_timer (ulong base)
 }
 #endif
 
-#ifdef CONFIG_SYS_INTC_0
+#ifdef CONFIG_SYS_TIMER_0
+void __udelay(unsigned long usec)
+{
+	int i;
+
+	i = get_timer(0);
+	while ((get_timer(0) - i) < (usec / 1000))
+		;
+}
+#else
+void __udelay(unsigned long usec)
+{
+	unsigned int i;
+
+	for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++)
+		;
+}
+#endif
+
 #ifdef CONFIG_SYS_TIMER_0
 microblaze_timer_t *tmr = (microblaze_timer_t *) (CONFIG_SYS_TIMER_0_ADDR);
 
@@ -61,7 +79,6 @@ int timer_init (void)
 	return 0;
 }
 #endif
-#endif
 
 /*
  * This function is derived from PowerPC code (read timebase as long long).
diff --git a/arch/microblaze/cpu/u-boot.lds b/arch/microblaze/cpu/u-boot.lds
new file mode 100644
index 0000000..ee41145
--- /dev/null
+++ b/arch/microblaze/cpu/u-boot.lds
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Yasushi SHOJI <yashi@atmark-techno.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(microblaze)
+ENTRY(_start)
+
+SECTIONS
+{
+	.text ALIGN(0x4):
+	{
+		__text_start = .;
+		arch/microblaze/cpu/start.o (.text)
+		*(.text)
+		__text_end = .;
+	}
+
+	.rodata ALIGN(0x4):
+	{
+		__rodata_start = .;
+		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+		__rodata_end = .;
+	}
+
+	.data ALIGN(0x4):
+	{
+		__data_start = .;
+		*(.data)
+		__data_end = .;
+	}
+
+	.u_boot_cmd ALIGN(0x4):
+	{
+		. = .;
+		__u_boot_cmd_start = .;
+		*(.u_boot_cmd)
+		__u_boot_cmd_end = .;
+	}
+
+	.bss ALIGN(0x4):
+	{
+		__bss_start = .;
+		*(.sbss)
+		*(.scommon)
+		*(.bss)
+		*(COMMON)
+		. = ALIGN(4);
+		__bss_end = .;
+	}
+	__end = . ;
+}
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
new file mode 100644
index 0000000..883f4d4
--- /dev/null
+++ b/arch/microblaze/include/asm/gpio.h
@@ -0,0 +1,41 @@
+#ifndef _ASM_MICROBLAZE_GPIO_H_
+#define _ASM_MICROBLAZE_GPIO_H_
+
+#include <asm/io.h>
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+	return 0;
+}
+
+static inline int gpio_free(unsigned gpio)
+{
+	return 0;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+	return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+	return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+	return 0;
+}
+
+static inline int gpio_set_value(unsigned gpio, int value)
+{
+	return 0;
+}
+
+static inline int gpio_is_valid(int number)
+{
+	return 0;
+}
+#endif
+
diff --git a/arch/microblaze/include/asm/microblaze_intc.h b/arch/microblaze/include/asm/microblaze_intc.h
index 4c385aa..6142b9c 100644
--- a/arch/microblaze/include/asm/microblaze_intc.h
+++ b/arch/microblaze/include/asm/microblaze_intc.h
@@ -41,3 +41,6 @@ struct irq_action {
 
 void install_interrupt_handler (int irq, interrupt_handler_t * hdlr,
 				       void *arg);
+
+int interrupts_init(void);
+
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index de0a7d3..7730695 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -29,7 +29,6 @@ SOBJS-y	+=
 
 COBJS-y	+= board.o
 COBJS-y	+= bootm.o
-COBJS-y	+= time.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
index f3679d5..b80250a 100644
--- a/arch/microblaze/lib/board.c
+++ b/arch/microblaze/lib/board.c
@@ -30,21 +30,16 @@
 #include <version.h>
 #include <watchdog.h>
 #include <stdio_dev.h>
+#include <serial.h>
 #include <net.h>
 #include <asm/processor.h>
+#include <asm/microblaze_intc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_SYS_GPIO_0
 extern int gpio_init (void);
 #endif
-#ifdef CONFIG_SYS_INTC_0
-extern int interrupts_init (void);
-#endif
-
-#if defined(CONFIG_CMD_NET)
-extern int eth_init (bd_t * bis);
-#endif
 #ifdef CONFIG_SYS_TIMER_0
 extern int timer_init (void);
 #endif
@@ -73,9 +68,7 @@ init_fnc_t *init_sequence[] = {
 #ifdef CONFIG_SYS_GPIO_0
 	gpio_init,
 #endif
-#ifdef CONFIG_SYS_INTC_0
 	interrupts_init,
-#endif
 #ifdef CONFIG_SYS_TIMER_0
 	timer_init,
 #endif
@@ -117,6 +110,10 @@ void board_init (void)
 	 */
 	mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
 
+#ifdef CONFIG_SERIAL_MULTI
+	serial_initialize();
+#endif
+
 	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
 		WATCHDOG_RESET ();
 		if ((*init_fnc_ptr) () != 0) {
diff --git a/arch/microblaze/lib/time.c b/arch/microblaze/lib/time.c
index da016a0..e69de29 100644
--- a/arch/microblaze/lib/time.c
+++ b/arch/microblaze/lib/time.c
@@ -1,42 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- * (C) Copyright 2004 Atmark Techno, Inc.
- *
- * Michal  SIMEK <monstr@monstr.eu>
- * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-#ifdef CONFIG_SYS_TIMER_0
-void __udelay (unsigned long usec)
-{
-	int i;
-	i = get_timer (0);
-	while ((get_timer (0) - i) < (usec / 1000)) ;
-}
-#else
-void __udelay (unsigned long usec)
-{
-	unsigned int i;
-	for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++);
-}
-#endif