i386: prepare shared kernel/geode.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 3b7a82d239509f272d8c742e1e9cb5218adfc136..4809425113f4e23a4dd9e7e33ca19d4bc5534004 100644 (file)
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_VM86)            += vm86_32.o
 obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
 obj-$(CONFIG_HPET_TIMER)       += hpet_32.o
 obj-$(CONFIG_K8_NB)            += k8.o
-obj-$(CONFIG_MGEODE_LX)                += geode.o
+obj-$(CONFIG_MGEODE_LX)                += geode_32.o
 
 obj-$(CONFIG_VMI)              += vmi_32.o vmiclock_32.o
 obj-$(CONFIG_PARAVIRT)         += paravirt_32.o

diff --git a/arch/i386/kernel/geode.c b/arch/i386/kernel/geode.c
deleted file mode 100644 (file)
index 41e8aec..0000000
--- a/arch/i386/kernel/geode.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * AMD Geode southbridge support code
- * Copyright (C) 2006, Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-#include <asm/msr.h>
-#include <asm/geode.h>
-
-static struct {
-       char *name;
-       u32 msr;
-       int size;
-       u32 base;
-} lbars[] = {
-       { "geode-pms",   MSR_LBAR_PMS, LBAR_PMS_SIZE, 0 },
-       { "geode-acpi",  MSR_LBAR_ACPI, LBAR_ACPI_SIZE, 0 },
-       { "geode-gpio",  MSR_LBAR_GPIO, LBAR_GPIO_SIZE, 0 },
-       { "geode-mfgpt", MSR_LBAR_MFGPT, LBAR_MFGPT_SIZE, 0 }
-};
-
-static void __init init_lbars(void)
-{
-       u32 lo, hi;
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(lbars); i++) {
-               rdmsr(lbars[i].msr, lo, hi);
-               if (hi & 0x01)
-                       lbars[i].base = lo & 0x0000ffff;
-
-               if (lbars[i].base == 0)
-                       printk(KERN_ERR "geode:  Couldn't initialize '%s'\n",
-                                       lbars[i].name);
-       }
-}
-
-int geode_get_dev_base(unsigned int dev)
-{
-       BUG_ON(dev >= ARRAY_SIZE(lbars));
-       return lbars[dev].base;
-}
-EXPORT_SYMBOL_GPL(geode_get_dev_base);
-
-/* === GPIO API === */
-
-void geode_gpio_set(unsigned int gpio, unsigned int reg)
-{
-       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-
-       if (!base)
-               return;
-
-       if (gpio < 16)
-               outl(1 << gpio, base + reg);
-       else
-               outl(1 << (gpio - 16), base + 0x80 + reg);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_set);
-
-void geode_gpio_clear(unsigned int gpio, unsigned int reg)
-{
-       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-
-       if (!base)
-               return;
-
-       if (gpio < 16)
-               outl(1 << (gpio + 16), base + reg);
-       else
-               outl(1 << gpio, base + 0x80 + reg);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_clear);
-
-int geode_gpio_isset(unsigned int gpio, unsigned int reg)
-{
-       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-
-       if (!base)
-               return 0;
-
-       if (gpio < 16)
-               return (inl(base + reg) & (1 << gpio)) ? 1 : 0;
-       else
-               return (inl(base + 0x80 + reg) & (1 << (gpio - 16))) ? 1 : 0;
-}
-EXPORT_SYMBOL_GPL(geode_gpio_isset);
-
-void geode_gpio_set_irq(unsigned int group, unsigned int irq)
-{
-       u32 lo, hi;
-
-       if (group > 7 || irq > 15)
-               return;
-
-       rdmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
-
-       lo &= ~(0xF << (group * 4));
-       lo |= (irq & 0xF) << (group * 4);
-
-       wrmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_set_irq);
-
-void geode_gpio_setup_event(unsigned int gpio, int pair, int pme)
-{
-       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-       u32 offset, shift, val;
-
-       if (gpio >= 24)
-               offset = GPIO_MAP_W;
-       else if (gpio >= 16)
-               offset = GPIO_MAP_Z;
-       else if (gpio >= 8)
-               offset = GPIO_MAP_Y;
-       else
-               offset = GPIO_MAP_X;
-
-       shift = (gpio % 8) * 4;
-
-       val = inl(base + offset);
-
-       /* Clear whatever was there before */
-       val &= ~(0xF << shift);
-
-       /* And set the new value */
-
-       val |= ((pair & 7) << shift);
-
-       /* Set the PME bit if this is a PME event */
-
-       if (pme)
-               val |= (1 << (shift + 3));
-
-       outl(val, base + offset);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_setup_event);
-
-static int __init geode_southbridge_init(void)
-{
-       if (!is_geode())
-               return -ENODEV;
-
-       init_lbars();
-       return 0;
-}
-
-postcore_initcall(geode_southbridge_init);

diff --git a/arch/i386/kernel/geode_32.c b/arch/i386/kernel/geode_32.c
new file mode 100644 (file)
index 0000000..41e8aec
--- /dev/null
+++ b/arch/i386/kernel/geode_32.c
@@ -0,0 +1,155 @@
+/*
+ * AMD Geode southbridge support code
+ * Copyright (C) 2006, Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <asm/msr.h>
+#include <asm/geode.h>
+
+static struct {
+       char *name;
+       u32 msr;
+       int size;
+       u32 base;
+} lbars[] = {
+       { "geode-pms",   MSR_LBAR_PMS, LBAR_PMS_SIZE, 0 },
+       { "geode-acpi",  MSR_LBAR_ACPI, LBAR_ACPI_SIZE, 0 },
+       { "geode-gpio",  MSR_LBAR_GPIO, LBAR_GPIO_SIZE, 0 },
+       { "geode-mfgpt", MSR_LBAR_MFGPT, LBAR_MFGPT_SIZE, 0 }
+};
+
+static void __init init_lbars(void)
+{
+       u32 lo, hi;
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(lbars); i++) {
+               rdmsr(lbars[i].msr, lo, hi);
+               if (hi & 0x01)
+                       lbars[i].base = lo & 0x0000ffff;
+
+               if (lbars[i].base == 0)
+                       printk(KERN_ERR "geode:  Couldn't initialize '%s'\n",
+                                       lbars[i].name);
+       }
+}
+
+int geode_get_dev_base(unsigned int dev)
+{
+       BUG_ON(dev >= ARRAY_SIZE(lbars));
+       return lbars[dev].base;
+}
+EXPORT_SYMBOL_GPL(geode_get_dev_base);
+
+/* === GPIO API === */
+
+void geode_gpio_set(unsigned int gpio, unsigned int reg)
+{
+       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
+
+       if (!base)
+               return;
+
+       if (gpio < 16)
+               outl(1 << gpio, base + reg);
+       else
+               outl(1 << (gpio - 16), base + 0x80 + reg);
+}
+EXPORT_SYMBOL_GPL(geode_gpio_set);
+
+void geode_gpio_clear(unsigned int gpio, unsigned int reg)
+{
+       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
+
+       if (!base)
+               return;
+
+       if (gpio < 16)
+               outl(1 << (gpio + 16), base + reg);
+       else
+               outl(1 << gpio, base + 0x80 + reg);
+}
+EXPORT_SYMBOL_GPL(geode_gpio_clear);
+
+int geode_gpio_isset(unsigned int gpio, unsigned int reg)
+{
+       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
+
+       if (!base)
+               return 0;
+
+       if (gpio < 16)
+               return (inl(base + reg) & (1 << gpio)) ? 1 : 0;
+       else
+               return (inl(base + 0x80 + reg) & (1 << (gpio - 16))) ? 1 : 0;
+}
+EXPORT_SYMBOL_GPL(geode_gpio_isset);
+
+void geode_gpio_set_irq(unsigned int group, unsigned int irq)
+{
+       u32 lo, hi;
+
+       if (group > 7 || irq > 15)
+               return;
+
+       rdmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
+
+       lo &= ~(0xF << (group * 4));
+       lo |= (irq & 0xF) << (group * 4);
+
+       wrmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
+}
+EXPORT_SYMBOL_GPL(geode_gpio_set_irq);
+
+void geode_gpio_setup_event(unsigned int gpio, int pair, int pme)
+{
+       u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
+       u32 offset, shift, val;
+
+       if (gpio >= 24)
+               offset = GPIO_MAP_W;
+       else if (gpio >= 16)
+               offset = GPIO_MAP_Z;
+       else if (gpio >= 8)
+               offset = GPIO_MAP_Y;
+       else
+               offset = GPIO_MAP_X;
+
+       shift = (gpio % 8) * 4;
+
+       val = inl(base + offset);
+
+       /* Clear whatever was there before */
+       val &= ~(0xF << shift);
+
+       /* And set the new value */
+
+       val |= ((pair & 7) << shift);
+
+       /* Set the PME bit if this is a PME event */
+
+       if (pme)
+               val |= (1 << (shift + 3));
+
+       outl(val, base + offset);
+}
+EXPORT_SYMBOL_GPL(geode_gpio_setup_event);
+
+static int __init geode_southbridge_init(void)
+{
+       if (!is_geode())
+               return -ENODEV;
+
+       init_lbars();
+       return 0;
+}
+
+postcore_initcall(geode_southbridge_init);