Merge branch 'ixp4xx' into devel

Conflicts:

	include/asm-arm/arch-ixp4xx/io.h

8 files changed, 182 insertions, 28 deletions

diff --git a/include/asm-arm/arch-ixp4xx/cpu.h b/include/asm-arm/arch-ixp4xx/cpu.h
new file mode 100644
index 000000000000..d2523b326c6c
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/cpu.h
@@ -0,0 +1,31 @@
+/*
+ * include/asm-arm/arch-ixp4xx/cpu.h
+ *
+ * IXP4XX cpu type detection
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ASM_ARCH_CPU_H__
+#define __ASM_ARCH_CPU_H__
+
+extern unsigned int processor_id;
+/* Processor id value in CP15 Register 0 */
+#define IXP425_PROCESSOR_ID_VALUE       0x690541c0
+#define IXP435_PROCESSOR_ID_VALUE       0x69054040
+#define IXP465_PROCESSOR_ID_VALUE       0x69054200
+#define IXP4XX_PROCESSOR_ID_MASK        0xfffffff0
+
+#define cpu_is_ixp42x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP425_PROCESSOR_ID_VALUE)
+#define cpu_is_ixp43x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP435_PROCESSOR_ID_VALUE)
+#define cpu_is_ixp46x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP465_PROCESSOR_ID_VALUE)
+
+#endif  /* _ASM_ARCH_CPU_H */
diff --git a/include/asm-arm/arch-ixp4xx/dsmg600.h b/include/asm-arm/arch-ixp4xx/dsmg600.h
new file mode 100644
index 000000000000..a19605ad240d
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/dsmg600.h
@@ -0,0 +1,57 @@
+/*
+ * DSM-G600 platform specific definitions
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based on ixdp425.h:
+ *      Copyright 2004 (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.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H__
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
+#define DSMG600_SDA_PIN         5
+#define DSMG600_SCL_PIN         4
+
+/*
+ * DSMG600 PCI IRQs
+ */
+#define DSMG600_PCI_MAX_DEV     4
+#define DSMG600_PCI_IRQ_LINES   3
+
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define DSMG600_PCI_INTA_PIN    11
+#define DSMG600_PCI_INTB_PIN    10
+#define DSMG600_PCI_INTC_PIN    9
+#define DSMG600_PCI_INTD_PIN    8
+#define DSMG600_PCI_INTE_PIN    7
+#define DSMG600_PCI_INTF_PIN    6
+
+/* DSM-G600 Timer Setting */
+#define DSMG600_FREQ 66000000
+
+/* Buttons */
+
+#define DSMG600_PB_GPIO         15      /* power button */
+#define DSMG600_PB_BM           (1L << DSMG600_PB_GPIO)
+
+#define DSMG600_RB_GPIO         3       /* reset button */
+
+#define DSMG600_RB_IRQ          IRQ_IXP4XX_GPIO3
+
+#define DSMG600_PO_GPIO         2       /* power off */
+
+/* LEDs */
+
+#define DSMG600_LED_PWR_GPIO    0
+#define DSMG600_LED_PWR_BM      (1L << DSMG600_LED_PWR_GPIO)
+
+#define DSMG600_LED_WLAN_GPIO   14
+#define DSMG600_LED_WLAN_BM     (1L << DSMG600_LED_WLAN_GPIO)
diff --git a/include/asm-arm/arch-ixp4xx/entry-macro.S b/include/asm-arm/arch-ixp4xx/entry-macro.S
index dadb568b7ef0..f144a005ed95 100644
--- a/include/asm-arm/arch-ixp4xx/entry-macro.S
+++ b/include/asm-arm/arch-ixp4xx/entry-macro.S
@@ -31,9 +31,9 @@
 
 1001:
                 /*
-                 * IXP465 has an upper IRQ status register
+                 * IXP465/IXP435 has an upper IRQ status register
                  */
-#if defined(CONFIG_CPU_IXP46X)
+#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get upper interrupts
                 mov     \irqnr, #63
diff --git a/include/asm-arm/arch-ixp4xx/gpio.h b/include/asm-arm/arch-ixp4xx/gpio.h
new file mode 100644
index 000000000000..3a4c5b8ae9e1
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * linux/include/asm-arm/arch-ixp4xx/gpio.h
+ *
+ * IXP4XX GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Written by Milan Svoboda <msvoboda@ra.rockwell.com>
+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
+ *
+ * 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
+ *
+ */
+
+#ifndef __ASM_ARCH_IXP4XX_GPIO_H
+#define __ASM_ARCH_IXP4XX_GPIO_H
+
+#include <asm/hardware.h>
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+        return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+        return;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+        gpio_line_config(gpio, IXP4XX_GPIO_IN);
+        return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int level)
+{
+        gpio_line_set(gpio, level);
+        gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+        return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+        int value;
+
+        gpio_line_get(gpio, &value);
+
+        return value;
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+        gpio_line_set(gpio, value);
+}
+
+#include <asm-generic/gpio.h>                   /* cansleep wrappers */
+
+extern int gpio_to_irq(int gpio);
+extern int irq_to_gpio(int gpio);
+
+#endif
+
diff --git a/include/asm-arm/arch-ixp4xx/hardware.h b/include/asm-arm/arch-ixp4xx/hardware.h
index 88fd0877dcc1..297ceda08b61 100644
--- a/include/asm-arm/arch-ixp4xx/hardware.h
+++ b/include/asm-arm/arch-ixp4xx/hardware.h
@@ -17,8 +17,8 @@
 #ifndef __ASM_ARCH_HARDWARE_H__
 #define __ASM_ARCH_HARDWARE_H__
 
-#define PCIBIOS_MIN_IO                  0x00001000
-#define PCIBIOS_MIN_MEM                 0x48000000
+#define PCIBIOS_MIN_IO          0x00001000
+#define PCIBIOS_MIN_MEM         (cpu_is_ixp43x() ? 0x40000000 : 0x48000000)
 
 /*
  * We override the standard dma-mask routines for bouncing.
@@ -27,11 +27,8 @@
 
 #define pcibios_assign_all_busses()     1
 
-#if defined(CONFIG_CPU_IXP46X) && !defined(__ASSEMBLY__)
-extern unsigned int processor_id;
-#define cpu_is_ixp465() ((processor_id & 0xffffffc0) == 0x69054200)
-#else
-#define cpu_is_ixp465() (0)
+#ifndef __ASSEMBLER__
+#include <asm/arch/cpu.h>
 #endif
 
 /* Register locations and bits */
@@ -47,5 +44,6 @@ extern unsigned int processor_id;
 #include "prpmc1100.h"
 #include "nslu2.h"
 #include "nas100d.h"
+#include "dsmg600.h"
 
 #endif  /* _ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index b27c910adf9d..c72f9d79417c 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -61,7 +61,7 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
 static inline void __iomem *
 __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned int mtype)
 {
-        if((addr < 0x48000000) || (addr > 0x4fffffff))
+        if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff))
                 return __arm_ioremap(addr, size, mtype);
 
         return (void *)addr;
diff --git a/include/asm-arm/arch-ixp4xx/irqs.h b/include/asm-arm/arch-ixp4xx/irqs.h
index e44a563d00ff..11801605047b 100644
--- a/include/asm-arm/arch-ixp4xx/irqs.h
+++ b/include/asm-arm/arch-ixp4xx/irqs.h
@@ -62,10 +62,10 @@
 /*
  * Only first 32 sources are valid if running on IXP42x systems
  */
-#ifndef CONFIG_CPU_IXP46X
-#define NR_IRQS                 32
-#else
+#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
 #define NR_IRQS                 64
+#else
+#define NR_IRQS                 32
 #endif
 
 #define XSCALE_PMU_IRQ          (IRQ_IXP4XX_XSCALE_PMU)
@@ -118,4 +118,14 @@
 #define        IRQ_NAS100D_PCI_INTD    IRQ_IXP4XX_GPIO8
 #define        IRQ_NAS100D_PCI_INTE    IRQ_IXP4XX_GPIO7
 
+/*
+ * D-Link DSM-G600 RevA board IRQs
+ */
+#define        IRQ_DSMG600_PCI_INTA    IRQ_IXP4XX_GPIO11
+#define        IRQ_DSMG600_PCI_INTB    IRQ_IXP4XX_GPIO10
+#define        IRQ_DSMG600_PCI_INTC    IRQ_IXP4XX_GPIO9
+#define        IRQ_DSMG600_PCI_INTD    IRQ_IXP4XX_GPIO8
+#define        IRQ_DSMG600_PCI_INTE    IRQ_IXP4XX_GPIO7
+#define        IRQ_DSMG600_PCI_INTF    IRQ_IXP4XX_GPIO6
+
 #endif
diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
index ed35e5c94f40..5d949d763a91 100644
--- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
+++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
@@ -607,19 +607,4 @@
 
 #define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
 
-#ifndef __ASSEMBLY__
-static inline int cpu_is_ixp46x(void)
-{
-#ifdef CONFIG_CPU_IXP46X
-        unsigned int processor_id;
-
-        asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :);
-
-        if ((processor_id & 0xffffff00) == 0x69054200)
-                return 1;
-#endif
-        return 0;
-}
-#endif
-
 #endif