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Diffstat (limited to 'arch/x86/kernel/geode_32.c')
-rw-r--r--arch/x86/kernel/geode_32.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/arch/x86/kernel/geode_32.c b/arch/x86/kernel/geode_32.c
deleted file mode 100644
index 9b08e852fd1..00000000000
--- a/arch/x86/kernel/geode_32.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * AMD Geode southbridge support code
- * Copyright (C) 2006, Advanced Micro Devices, Inc.
- * Copyright (C) 2007, Andres Salomon <dilinger@debian.org>
- *
- * 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(u32 gpio, unsigned int reg)
-{
- u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-
- if (!base)
- return;
-
- /* low bank register */
- if (gpio & 0xFFFF)
- outl(gpio & 0xFFFF, base + reg);
- /* high bank register */
- gpio >>= 16;
- if (gpio)
- outl(gpio, base + 0x80 + reg);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_set);
-
-void geode_gpio_clear(u32 gpio, unsigned int reg)
-{
- u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
-
- if (!base)
- return;
-
- /* low bank register */
- if (gpio & 0xFFFF)
- outl((gpio & 0xFFFF) << 16, base + reg);
- /* high bank register */
- gpio &= (0xFFFF << 16);
- if (gpio)
- outl(gpio, base + 0x80 + reg);
-}
-EXPORT_SYMBOL_GPL(geode_gpio_clear);
-
-int geode_gpio_isset(u32 gpio, unsigned int reg)
-{
- u32 base = geode_get_dev_base(GEODE_DEV_GPIO);
- u32 val;
-
- if (!base)
- return 0;
-
- /* low bank register */
- if (gpio & 0xFFFF) {
- val = inl(base + reg) & (gpio & 0xFFFF);
- if ((gpio & 0xFFFF) == val)
- return 1;
- }
- /* high bank register */
- gpio >>= 16;
- if (gpio) {
- val = inl(base + 0x80 + reg) & gpio;
- if (gpio == val)
- return 1;
- }
- return 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);
-
-int geode_has_vsa2(void)
-{
- static int has_vsa2 = -1;
-
- if (has_vsa2 == -1) {
- u16 val;
-
- /*
- * The VSA has virtual registers that we can query for a
- * signature.
- */
- outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
- outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
-
- val = inw(VSA_VRC_DATA);
- has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG);
- }
-
- return has_vsa2;
-}
-EXPORT_SYMBOL_GPL(geode_has_vsa2);
-
-static int __init geode_southbridge_init(void)
-{
- if (!is_geode())
- return -ENODEV;
-
- init_lbars();
- (void) mfgpt_timer_setup();
- return 0;
-}
-
-postcore_initcall(geode_southbridge_init);