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authorUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>2008-02-15 08:41:06 +0100
committerUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>2008-03-31 08:17:01 +0200
commit724ce5ee15ff4c4f3035110b683b990a3b33c832 (patch)
tree7b07d25bf64d2e6dad4495c847d1b24d9d5dca43 /arch/arm
parent3a581349b961f225893103a0fbbd065a831c5184 (diff)
ns9xxx: prepare for adding support for Digi ns921x processors
The hardware team changed some things that were taken as being common to all ns9xxx processors up to now. This patch addresses: - irqs: s/IRQ_/IRQ_NS9360_/ - system module registers: some registers are still general, their definition lives now in include/asm-arm/arch-ns9xxx/regs-sys-common.h. The ns9360 specific ones are in .../regs-sys-ns9360.h As a result ns9360_systemclock cannot be static inline any more as its definition needs regs-sys-ns9360.h. This becomes a real problem when adding support for ns9215 as this will need regs-sys-ns9215.h and including both files will not work. For the same reason ns9360_reset() is now non-inline and gpio functions live in their own file. - register mapping: s/ns9xxx_map_io/ns9360_map_io/ - timer registers: move time.c to time-ns9360.c; s/ns9xxx_timer/ns9360_timer/ Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-ns9xxx/Makefile4
-rw-r--r--arch/arm/mach-ns9xxx/board-a9m9750dev.c11
-rw-r--r--arch/arm/mach-ns9xxx/generic.c27
-rw-r--r--arch/arm/mach-ns9xxx/generic.h5
-rw-r--r--arch/arm/mach-ns9xxx/gpio-ns9360.c118
-rw-r--r--arch/arm/mach-ns9xxx/gpio-ns9360.h13
-rw-r--r--arch/arm/mach-ns9xxx/gpio.c141
-rw-r--r--arch/arm/mach-ns9xxx/irq.c4
-rw-r--r--arch/arm/mach-ns9xxx/mach-cc9p9360dev.c8
-rw-r--r--arch/arm/mach-ns9xxx/mach-cc9p9360js.c8
-rw-r--r--arch/arm/mach-ns9xxx/processor-ns9360.c54
-rw-r--r--arch/arm/mach-ns9xxx/time-ns9360.c (renamed from arch/arm/mach-ns9xxx/time.c)75
12 files changed, 294 insertions, 174 deletions
diff --git a/arch/arm/mach-ns9xxx/Makefile b/arch/arm/mach-ns9xxx/Makefile
index ca2c68dede1..67a9e30c878 100644
--- a/arch/arm/mach-ns9xxx/Makefile
+++ b/arch/arm/mach-ns9xxx/Makefile
@@ -1,8 +1,10 @@
-obj-y := irq.o time.o generic.o gpio.o
+obj-y := irq.o generic.o gpio.o
obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o
obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o
+obj-$(CONFIG_PROCESSOR_NS9360) += gpio-ns9360.o processor-ns9360.o time-ns9360.o
+
obj-$(CONFIG_BOARD_A9M9750DEV) += board-a9m9750dev.o
obj-$(CONFIG_BOARD_JSCC9P9360) += board-jscc9p9360.o
diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c
index 14a06da25ac..a494b71c019 100644
--- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c
+++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c
@@ -14,7 +14,8 @@
#include <asm/gpio.h>
#include <asm/arch-ns9xxx/board.h>
-#include <asm/arch-ns9xxx/regs-sys.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+#include <asm/arch-ns9xxx/regs-sys-ns9360.h>
#include <asm/arch-ns9xxx/regs-mem.h>
#include <asm/arch-ns9xxx/regs-bbu.h>
#include <asm/arch-ns9xxx/regs-board-a9m9750dev.h>
@@ -103,9 +104,9 @@ void __init board_a9m9750dev_init_irq(void)
int i;
if (gpio_request(11, "board a9m9750dev extirq2") == 0)
- ns9xxx_gpio_configure(11, 0, 1);
+ ns9360_gpio_configure(11, 0, 1);
else
- printk(KERN_ERR "%s: cannot get gpio 11 for IRQ_EXT2\n",
+ printk(KERN_ERR "%s: cannot get gpio 11 for IRQ_NS9XXX_EXT2\n",
__func__);
for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) {
@@ -114,13 +115,13 @@ void __init board_a9m9750dev_init_irq(void)
set_irq_flags(i, IRQF_VALID);
}
- /* IRQ_EXT2: level sensitive + active low */
+ /* IRQ_NS9XXX_EXT2: level sensitive + active low */
eic = __raw_readl(SYS_EIC(2));
REGSET(eic, SYS_EIC, PLTY, AL);
REGSET(eic, SYS_EIC, LVEDG, LEVEL);
__raw_writel(eic, SYS_EIC(2));
- set_irq_chained_handler(IRQ_EXT2,
+ set_irq_chained_handler(IRQ_NS9XXX_EXT2,
a9m9750dev_fpga_demux_handler);
}
diff --git a/arch/arm/mach-ns9xxx/generic.c b/arch/arm/mach-ns9xxx/generic.c
index d742c921e34..1e0f467879c 100644
--- a/arch/arm/mach-ns9xxx/generic.c
+++ b/arch/arm/mach-ns9xxx/generic.c
@@ -1,7 +1,7 @@
/*
* arch/arm/mach-ns9xxx/generic.c
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -11,34 +11,9 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/memory.h>
-#include <asm/page.h>
-#include <asm/mach-types.h>
-#include <asm/mach/map.h>
-#include <asm/arch-ns9xxx/regs-sys.h>
-#include <asm/arch-ns9xxx/regs-mem.h>
-#include <asm/arch-ns9xxx/board.h>
#include "generic.h"
-static struct map_desc standard_io_desc[] __initdata = {
- { /* BBus */
- .virtual = io_p2v(0x90000000),
- .pfn = __phys_to_pfn(0x90000000),
- .length = 0x00700000,
- .type = MT_DEVICE,
- }, { /* AHB */
- .virtual = io_p2v(0xa0100000),
- .pfn = __phys_to_pfn(0xa0100000),
- .length = 0x00900000,
- .type = MT_DEVICE,
- },
-};
-
-void __init ns9xxx_map_io(void)
-{
- iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
-}
-
void __init ns9xxx_init_machine(void)
{
}
diff --git a/arch/arm/mach-ns9xxx/generic.h b/arch/arm/mach-ns9xxx/generic.h
index 687e291773f..82493191aad 100644
--- a/arch/arm/mach-ns9xxx/generic.h
+++ b/arch/arm/mach-ns9xxx/generic.h
@@ -1,7 +1,7 @@
/*
* arch/arm/mach-ns9xxx/generic.h
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -13,7 +13,4 @@
#include <linux/init.h>
void __init ns9xxx_init_irq(void);
-void __init ns9xxx_map_io(void);
void __init ns9xxx_init_machine(void);
-
-extern struct sys_timer ns9xxx_timer;
diff --git a/arch/arm/mach-ns9xxx/gpio-ns9360.c b/arch/arm/mach-ns9xxx/gpio-ns9360.c
new file mode 100644
index 00000000000..cabfb879dda
--- /dev/null
+++ b/arch/arm/mach-ns9xxx/gpio-ns9360.c
@@ -0,0 +1,118 @@
+/*
+ * arch/arm/mach-ns9xxx/gpio-ns9360.c
+ *
+ * Copyright (C) 2006,2007 by Digi International Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#include <linux/bug.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <asm/arch-ns9xxx/regs-bbu.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+
+#include "gpio-ns9360.h"
+
+static inline int ns9360_valid_gpio(unsigned gpio)
+{
+ return gpio <= 72;
+}
+
+static inline void __iomem *ns9360_gpio_get_gconfaddr(unsigned gpio)
+{
+ if (gpio < 56)
+ return BBU_GCONFb1(gpio / 8);
+ else
+ /*
+ * this could be optimised away on
+ * ns9750 only builds, but it isn't ...
+ */
+ return BBU_GCONFb2((gpio - 56) / 8);
+}
+
+static inline void __iomem *ns9360_gpio_get_gctrladdr(unsigned gpio)
+{
+ if (gpio < 32)
+ return BBU_GCTRL1;
+ else if (gpio < 64)
+ return BBU_GCTRL2;
+ else
+ /* this could be optimised away on ns9750 only builds */
+ return BBU_GCTRL3;
+}
+
+static inline void __iomem *ns9360_gpio_get_gstataddr(unsigned gpio)
+{
+ if (gpio < 32)
+ return BBU_GSTAT1;
+ else if (gpio < 64)
+ return BBU_GSTAT2;
+ else
+ /* this could be optimised away on ns9750 only builds */
+ return BBU_GSTAT3;
+}
+
+/*
+ * each gpio can serve for 4 different purposes [0..3]. These are called
+ * "functions" and passed in the parameter func. Functions 0-2 are always some
+ * special things, function 3 is GPIO. If func == 3 dir specifies input or
+ * output, and with inv you can enable an inverter (independent of func).
+ */
+int __ns9360_gpio_configure(unsigned gpio, int dir, int inv, int func)
+{
+ void __iomem *conf = ns9360_gpio_get_gconfaddr(gpio);
+ u32 confval;
+
+ confval = __raw_readl(conf);
+ REGSETIM_IDX(confval, BBU_GCONFx, DIR, gpio & 7, dir);
+ REGSETIM_IDX(confval, BBU_GCONFx, INV, gpio & 7, inv);
+ REGSETIM_IDX(confval, BBU_GCONFx, FUNC, gpio & 7, func);
+ __raw_writel(confval, conf);
+
+ return 0;
+}
+
+int ns9360_gpio_configure(unsigned gpio, int inv, int func)
+{
+ if (likely(ns9360_valid_gpio(gpio))) {
+ if (func == 3) {
+ printk(KERN_WARNING "use gpio_direction_input "
+ "or gpio_direction_output\n");
+ return -EINVAL;
+ } else
+ return __ns9360_gpio_configure(gpio, 0, inv, func);
+ } else
+ return -EINVAL;
+}
+EXPORT_SYMBOL(ns9360_gpio_configure);
+
+int ns9360_gpio_get_value(unsigned gpio)
+{
+ void __iomem *stat = ns9360_gpio_get_gstataddr(gpio);
+ int ret;
+
+ ret = 1 & (__raw_readl(stat) >> (gpio & 31));
+
+ return ret;
+}
+
+void ns9360_gpio_set_value(unsigned gpio, int value)
+{
+ void __iomem *ctrl = ns9360_gpio_get_gctrladdr(gpio);
+ u32 ctrlval;
+
+ ctrlval = __raw_readl(ctrl);
+
+ if (value)
+ ctrlval |= 1 << (gpio & 31);
+ else
+ ctrlval &= ~(1 << (gpio & 31));
+
+ __raw_writel(ctrlval, ctrl);
+}
diff --git a/arch/arm/mach-ns9xxx/gpio-ns9360.h b/arch/arm/mach-ns9xxx/gpio-ns9360.h
new file mode 100644
index 00000000000..131cd1715ca
--- /dev/null
+++ b/arch/arm/mach-ns9xxx/gpio-ns9360.h
@@ -0,0 +1,13 @@
+/*
+ * arch/arm/mach-ns9xxx/gpio-ns9360.h
+ *
+ * Copyright (C) 2006,2007 by Digi International Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+int __ns9360_gpio_configure(unsigned gpio, int dir, int inv, int func);
+int ns9360_gpio_get_value(unsigned gpio);
+void ns9360_gpio_set_value(unsigned gpio, int value);
diff --git a/arch/arm/mach-ns9xxx/gpio.c b/arch/arm/mach-ns9xxx/gpio.c
index 5286e9fc1d3..b3c963b0c8f 100644
--- a/arch/arm/mach-ns9xxx/gpio.c
+++ b/arch/arm/mach-ns9xxx/gpio.c
@@ -1,7 +1,7 @@
/*
* arch/arm/mach-ns9xxx/gpio.c
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -15,12 +15,13 @@
#include <asm/arch-ns9xxx/gpio.h>
#include <asm/arch-ns9xxx/processor.h>
-#include <asm/arch-ns9xxx/regs-bbu.h>
-#include <asm/io.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
#include <asm/bug.h>
#include <asm/types.h>
#include <asm/bitops.h>
+#include "gpio-ns9360.h"
+
#if defined(CONFIG_PROCESSOR_NS9360)
#define GPIO_MAX 72
#elif defined(CONFIG_PROCESSOR_NS9750)
@@ -45,41 +46,10 @@ static inline int ns9xxx_valid_gpio(unsigned gpio)
return gpio <= 49;
else
#endif
+ {
BUG();
-}
-
-static inline void __iomem *ns9xxx_gpio_get_gconfaddr(unsigned gpio)
-{
- if (gpio < 56)
- return BBU_GCONFb1(gpio / 8);
- else
- /*
- * this could be optimised away on
- * ns9750 only builds, but it isn't ...
- */
- return BBU_GCONFb2((gpio - 56) / 8);
-}
-
-static inline void __iomem *ns9xxx_gpio_get_gctrladdr(unsigned gpio)
-{
- if (gpio < 32)
- return BBU_GCTRL1;
- else if (gpio < 64)
- return BBU_GCTRL2;
- else
- /* this could be optimised away on ns9750 only builds */
- return BBU_GCTRL3;
-}
-
-static inline void __iomem *ns9xxx_gpio_get_gstataddr(unsigned gpio)
-{
- if (gpio < 32)
- return BBU_GSTAT1;
- else if (gpio < 64)
- return BBU_GSTAT2;
- else
- /* this could be optimised away on ns9750 only builds */
- return BBU_GSTAT3;
+ return 0;
+ }
}
int gpio_request(unsigned gpio, const char *label)
@@ -98,49 +68,24 @@ void gpio_free(unsigned gpio)
}
EXPORT_SYMBOL(gpio_free);
-/*
- * each gpio can serve for 4 different purposes [0..3]. These are called
- * "functions" and passed in the parameter func. Functions 0-2 are always some
- * special things, function 3 is GPIO. If func == 3 dir specifies input or
- * output, and with inv you can enable an inverter (independent of func).
- */
-static int __ns9xxx_gpio_configure(unsigned gpio, int dir, int inv, int func)
+int gpio_direction_input(unsigned gpio)
{
- void __iomem *conf = ns9xxx_gpio_get_gconfaddr(gpio);
- u32 confval;
- unsigned long flags;
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- confval = __raw_readl(conf);
- REGSETIM_IDX(confval, BBU_GCONFx, DIR, gpio & 7, dir);
- REGSETIM_IDX(confval, BBU_GCONFx, INV, gpio & 7, inv);
- REGSETIM_IDX(confval, BBU_GCONFx, FUNC, gpio & 7, func);
- __raw_writel(confval, conf);
+ if (likely(ns9xxx_valid_gpio(gpio))) {
+ int ret = -EINVAL;
+ unsigned long flags;
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&gpio_lock, flags);
+#if defined(CONFIG_PROCESSOR_NS9360)
+ if (processor_is_ns9360())
+ ret = __ns9360_gpio_configure(gpio, 0, 0, 3);
+ else
+#endif
+ BUG();
- return 0;
-}
+ spin_unlock_irqrestore(&gpio_lock, flags);
-int ns9xxx_gpio_configure(unsigned gpio, int inv, int func)
-{
- if (likely(ns9xxx_valid_gpio(gpio))) {
- if (func == 3) {
- printk(KERN_WARNING "use gpio_direction_input "
- "or gpio_direction_output\n");
- return -EINVAL;
- } else
- return __ns9xxx_gpio_configure(gpio, 0, inv, func);
- } else
- return -EINVAL;
-}
-EXPORT_SYMBOL(ns9xxx_gpio_configure);
+ return ret;
-int gpio_direction_input(unsigned gpio)
-{
- if (likely(ns9xxx_valid_gpio(gpio))) {
- return __ns9xxx_gpio_configure(gpio, 0, 0, 3);
} else
return -EINVAL;
}
@@ -149,9 +94,22 @@ EXPORT_SYMBOL(gpio_direction_input);
int gpio_direction_output(unsigned gpio, int value)
{
if (likely(ns9xxx_valid_gpio(gpio))) {
+ int ret = -EINVAL;
+ unsigned long flags;
+
gpio_set_value(gpio, value);
- return __ns9xxx_gpio_configure(gpio, 1, 0, 3);
+ spin_lock_irqsave(&gpio_lock, flags);
+#if defined(CONFIG_PROCESSOR_NS9360)
+ if (processor_is_ns9360())
+ ret = __ns9360_gpio_configure(gpio, 1, 0, 3);
+ else
+#endif
+ BUG();
+
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ return ret;
} else
return -EINVAL;
}
@@ -159,31 +117,28 @@ EXPORT_SYMBOL(gpio_direction_output);
int gpio_get_value(unsigned gpio)
{
- void __iomem *stat = ns9xxx_gpio_get_gstataddr(gpio);
- int ret;
-
- ret = 1 & (__raw_readl(stat) >> (gpio & 31));
-
- return ret;
+#if defined(CONFIG_PROCESSOR_NS9360)
+ if (processor_is_ns9360())
+ return ns9360_gpio_get_value(gpio);
+ else
+#endif
+ {
+ BUG();
+ return -EINVAL;
+ }
}
EXPORT_SYMBOL(gpio_get_value);
void gpio_set_value(unsigned gpio, int value)
{
- void __iomem *ctrl = ns9xxx_gpio_get_gctrladdr(gpio);
- u32 ctrlval;
unsigned long flags;
-
spin_lock_irqsave(&gpio_lock, flags);
-
- ctrlval = __raw_readl(ctrl);
-
- if (value)
- ctrlval |= 1 << (gpio & 31);
+#if defined(CONFIG_PROCESSOR_NS9360)
+ if (processor_is_ns9360())
+ ns9360_gpio_set_value(gpio, value);
else
- ctrlval &= ~(1 << (gpio & 31));
-
- __raw_writel(ctrlval, ctrl);
+#endif
+ BUG();
spin_unlock_irqrestore(&gpio_lock, flags);
}
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index 00001b874e9..d4a583cc44c 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -12,7 +12,7 @@
#include <asm/io.h>
#include <asm/mach/irq.h>
#include <asm/mach-types.h>
-#include <asm/arch-ns9xxx/regs-sys.h>
+#include <asm/arch-ns9xxx/regs-sys-common.h>
#include <asm/arch-ns9xxx/irqs.h>
#include <asm/arch-ns9xxx/board.h>
@@ -67,7 +67,7 @@ void __init ns9xxx_init_irq(void)
for (i = 0; i < 32; ++i)
__raw_writel(i, SYS_IVA(i));
- for (i = IRQ_WATCHDOG; i <= IRQ_EXT3; ++i) {
+ for (i = 0; i <= 31; ++i) {
set_irq_chip(i, &ns9xxx_chip);
set_irq_handler(i, handle_level_irq);
set_irq_flags(i, IRQF_VALID);
diff --git a/arch/arm/mach-ns9xxx/mach-cc9p9360dev.c b/arch/arm/mach-ns9xxx/mach-cc9p9360dev.c
index 760c9d0db7c..9623fff6b3b 100644
--- a/arch/arm/mach-ns9xxx/mach-cc9p9360dev.c
+++ b/arch/arm/mach-ns9xxx/mach-cc9p9360dev.c
@@ -1,7 +1,7 @@
/*
* arch/arm/mach-ns9xxx/mach-cc9p9360dev.c
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -11,12 +11,14 @@
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+
#include "board-a9m9750dev.h"
#include "generic.h"
static void __init mach_cc9p9360dev_map_io(void)
{
- ns9xxx_map_io();
+ ns9360_map_io();
board_a9m9750dev_map_io();
}
@@ -36,6 +38,6 @@ MACHINE_START(CC9P9360DEV, "Digi ConnectCore 9P 9360 on an A9M9750 Devboard")
.map_io = mach_cc9p9360dev_map_io,
.init_irq = mach_cc9p9360dev_init_irq,
.init_machine = mach_cc9p9360dev_init_machine,
- .timer = &ns9xxx_timer,
+ .timer = &ns9360_timer,
.boot_params = 0x100,
MACHINE_END
diff --git a/arch/arm/mach-ns9xxx/mach-cc9p9360js.c b/arch/arm/mach-ns9xxx/mach-cc9p9360js.c
index 85c8b41105c..fcc815bdd29 100644
--- a/arch/arm/mach-ns9xxx/mach-cc9p9360js.c
+++ b/arch/arm/mach-ns9xxx/mach-cc9p9360js.c
@@ -1,7 +1,7 @@
/*
* arch/arm/mach-ns9xxx/mach-cc9p9360js.c
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -11,6 +11,8 @@
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+
#include "board-jscc9p9360.h"
#include "generic.h"
@@ -21,9 +23,9 @@ static void __init mach_cc9p9360js_init_machine(void)
}
MACHINE_START(CC9P9360JS, "Digi ConnectCore 9P 9360 on an JSCC9P9360 Devboard")
- .map_io = ns9xxx_map_io,
+ .map_io = ns9360_map_io,
.init_irq = ns9xxx_init_irq,
.init_machine = mach_cc9p9360js_init_machine,
- .timer = &ns9xxx_timer,
+ .timer = &ns9360_timer,
.boot_params = 0x100,
MACHINE_END
diff --git a/arch/arm/mach-ns9xxx/processor-ns9360.c b/arch/arm/mach-ns9xxx/processor-ns9360.c
new file mode 100644
index 00000000000..2bee0b7fccb
--- /dev/null
+++ b/arch/arm/mach-ns9xxx/processor-ns9360.c
@@ -0,0 +1,54 @@
+/*
+ * arch/arm/mach-ns9xxx/processor-ns9360.c
+ *
+ * Copyright (C) 2007 by Digi International Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+#include <asm/arch-ns9xxx/regs-sys-ns9360.h>
+
+void ns9360_reset(char mode)
+{
+ u32 reg;
+
+ reg = __raw_readl(SYS_PLL) >> 16;
+ REGSET(reg, SYS_PLL, SWC, YES);
+ __raw_writel(reg, SYS_PLL);
+}
+
+#define CRYSTAL 29491200 /* Hz */
+unsigned long ns9360_systemclock(void)
+{
+ u32 pll = __raw_readl(SYS_PLL);
+ return CRYSTAL * (REGGETIM(pll, SYS_PLL, ND) + 1)
+ >> REGGETIM(pll, SYS_PLL, FS);
+}
+
+static struct map_desc ns9360_io_desc[] __initdata = {
+ { /* BBus */
+ .virtual = io_p2v(0x90000000),
+ .pfn = __phys_to_pfn(0x90000000),
+ .length = 0x00700000,
+ .type = MT_DEVICE,
+ }, { /* AHB */
+ .virtual = io_p2v(0xa0100000),
+ .pfn = __phys_to_pfn(0xa0100000),
+ .length = 0x00900000,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init ns9360_map_io(void)
+{
+ iotable_init(ns9360_io_desc, ARRAY_SIZE(ns9360_io_desc));
+}
diff --git a/arch/arm/mach-ns9xxx/time.c b/arch/arm/mach-ns9xxx/time-ns9360.c
index c3dd1f4acb9..4d573c9793e 100644
--- a/arch/arm/mach-ns9xxx/time.c
+++ b/arch/arm/mach-ns9xxx/time-ns9360.c
@@ -1,7 +1,7 @@
/*
- * arch/arm/mach-ns9xxx/time.c
+ * arch/arm/mach-ns9xxx/time-ns9360.c
*
- * Copyright (C) 2006 by Digi International Inc.
+ * Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -15,8 +15,8 @@
#include <linux/clocksource.h>
#include <linux/clockchips.h>
-#include <asm/arch-ns9xxx/regs-sys.h>
-#include <asm/arch-ns9xxx/clock.h>
+#include <asm/arch-ns9xxx/processor-ns9360.h>
+#include <asm/arch-ns9xxx/regs-sys-ns9360.h>
#include <asm/arch-ns9xxx/irqs.h>
#include <asm/arch/system.h>
#include "generic.h"
@@ -25,26 +25,26 @@
#define TIMER_CLOCKEVENT 1
static u32 latch;
-static cycle_t ns9xxx_clocksource_read(void)
+static cycle_t ns9360_clocksource_read(void)
{
return __raw_readl(SYS_TR(TIMER_CLOCKSOURCE));
}
-static struct clocksource ns9xxx_clocksource = {
- .name = "ns9xxx-timer" __stringify(TIMER_CLOCKSOURCE),
+static struct clocksource ns9360_clocksource = {
+ .name = "ns9360-timer" __stringify(TIMER_CLOCKSOURCE),
.rating = 300,
- .read = ns9xxx_clocksource_read,
+ .read = ns9360_clocksource_read,
.mask = CLOCKSOURCE_MASK(32),
.shift = 20,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static void ns9xxx_clockevent_setmode(enum clock_event_mode mode,
+static void ns9360_clockevent_setmode(enum clock_event_mode mode,
struct clock_event_device *clk)
{
u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));
- switch(mode) {
+ switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
__raw_writel(latch, SYS_TRC(TIMER_CLOCKEVENT));
REGSET(tc, SYS_TCx, REN, EN);
@@ -69,7 +69,7 @@ static void ns9xxx_clockevent_setmode(enum clock_event_mode mode,
__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));
}
-static int ns9xxx_clockevent_setnextevent(unsigned long evt,
+static int ns9360_clockevent_setnextevent(unsigned long evt,
struct clock_event_device *clk)
{
u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));
@@ -88,20 +88,20 @@ static int ns9xxx_clockevent_setnextevent(unsigned long evt,
return 0;
}
-static struct clock_event_device ns9xxx_clockevent_device = {
- .name = "ns9xxx-timer" __stringify(TIMER_CLOCKEVENT),
+static struct clock_event_device ns9360_clockevent_device = {
+ .name = "ns9360-timer" __stringify(TIMER_CLOCKEVENT),
.shift = 20,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_mode = ns9xxx_clockevent_setmode,
- .set_next_event = ns9xxx_clockevent_setnextevent,
+ .set_mode = ns9360_clockevent_setmode,
+ .set_next_event = ns9360_clockevent_setnextevent,
};
-static irqreturn_t ns9xxx_clockevent_handler(int irq, void *dev_id)
+static irqreturn_t ns9360_clockevent_handler(int irq, void *dev_id)
{
- int timerno = irq - IRQ_TIMER0;
+ int timerno = irq - IRQ_NS9360_TIMER0;
u32 tc;
- struct clock_event_device *evt = &ns9xxx_clockevent_device;
+ struct clock_event_device *evt = &ns9360_clockevent_device;
/* clear irq */
tc = __raw_readl(SYS_TC(timerno));
@@ -119,13 +119,13 @@ static irqreturn_t ns9xxx_clockevent_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction ns9xxx_clockevent_action = {
- .name = "ns9xxx-timer" __stringify(TIMER_CLOCKEVENT),
+static struct irqaction ns9360_clockevent_action = {
+ .name = "ns9360-timer" __stringify(TIMER_CLOCKEVENT),
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = ns9xxx_clockevent_handler,
+ .handler = ns9360_clockevent_handler,
};
-static void __init ns9xxx_timer_init(void)
+static void __init ns9360_timer_init(void)
{
int tc;
@@ -148,12 +148,12 @@ static void __init ns9xxx_timer_init(void)
__raw_writel(tc, SYS_TC(TIMER_CLOCKSOURCE));
- ns9xxx_clocksource.mult = clocksource_hz2mult(ns9xxx_cpuclock(),
- ns9xxx_clocksource.shift);
+ ns9360_clocksource.mult = clocksource_hz2mult(ns9360_cpuclock(),
+ ns9360_clocksource.shift);
- clocksource_register(&ns9xxx_clocksource);
+ clocksource_register(&ns9360_clocksource);
- latch = SH_DIV(ns9xxx_cpuclock(), HZ, 0);
+ latch = SH_DIV(ns9360_cpuclock(), HZ, 0);
tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));
REGSET(tc, SYS_TCx, TEN, DIS);
@@ -166,19 +166,20 @@ static void __init ns9xxx_timer_init(void)
REGSET(tc, SYS_TCx, REN, EN);
__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));
- ns9xxx_clockevent_device.mult = div_sc(ns9xxx_cpuclock(),
- NSEC_PER_SEC, ns9xxx_clockevent_device.shift);
- ns9xxx_clockevent_device.max_delta_ns =
- clockevent_delta2ns(-1, &ns9xxx_clockevent_device);
- ns9xxx_clockevent_device.min_delta_ns =
- clockevent_delta2ns(1, &ns9xxx_clockevent_device);
+ ns9360_clockevent_device.mult = div_sc(ns9360_cpuclock(),
+ NSEC_PER_SEC, ns9360_clockevent_device.shift);
+ ns9360_clockevent_device.max_delta_ns =
+ clockevent_delta2ns(-1, &ns9360_clockevent_device);
+ ns9360_clockevent_device.min_delta_ns =
+ clockevent_delta2ns(1, &ns9360_clockevent_device);
- ns9xxx_clockevent_device.cpumask = cpumask_of_cpu(0);
- clockevents_register_device(&ns9xxx_clockevent_device);
+ ns9360_clockevent_device.cpumask = cpumask_of_cpu(0);
+ clockevents_register_device(&ns9360_clockevent_device);
- setup_irq(IRQ_TIMER0 + TIMER_CLOCKEVENT, &ns9xxx_clockevent_action);
+ setup_irq(IRQ_NS9360_TIMER0 + TIMER_CLOCKEVENT,
+ &ns9360_clockevent_action);
}
-struct sys_timer ns9xxx_timer = {
- .init = ns9xxx_timer_init,
+struct sys_timer ns9360_timer = {
+ .init = ns9360_timer_init,
};