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-rw-r--r--arch/sparc64/kernel/auxio.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c
deleted file mode 100644
index 858beda86524..000000000000
--- a/arch/sparc64/kernel/auxio.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* auxio.c: Probing for the Sparc AUXIO register at boot time.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- *
- * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/of_device.h>
-
-#include <asm/prom.h>
-#include <asm/io.h>
-#include <asm/auxio.h>
-
-void __iomem *auxio_register = NULL;
-EXPORT_SYMBOL(auxio_register);
-
-enum auxio_type {
- AUXIO_TYPE_NODEV,
- AUXIO_TYPE_SBUS,
- AUXIO_TYPE_EBUS
-};
-
-static enum auxio_type auxio_devtype = AUXIO_TYPE_NODEV;
-static DEFINE_SPINLOCK(auxio_lock);
-
-static void __auxio_sbus_set(u8 bits_on, u8 bits_off)
-{
- if (auxio_register) {
- unsigned char regval;
- unsigned long flags;
- unsigned char newval;
-
- spin_lock_irqsave(&auxio_lock, flags);
-
- regval = sbus_readb(auxio_register);
- newval = regval | bits_on;
- newval &= ~bits_off;
- newval &= ~AUXIO_AUX1_MASK;
- sbus_writeb(newval, auxio_register);
-
- spin_unlock_irqrestore(&auxio_lock, flags);
- }
-}
-
-static void __auxio_ebus_set(u8 bits_on, u8 bits_off)
-{
- if (auxio_register) {
- unsigned char regval;
- unsigned long flags;
- unsigned char newval;
-
- spin_lock_irqsave(&auxio_lock, flags);
-
- regval = (u8)readl(auxio_register);
- newval = regval | bits_on;
- newval &= ~bits_off;
- writel((u32)newval, auxio_register);
-
- spin_unlock_irqrestore(&auxio_lock, flags);
- }
-}
-
-static inline void __auxio_ebus_set_led(int on)
-{
- (on) ? __auxio_ebus_set(AUXIO_PCIO_LED, 0) :
- __auxio_ebus_set(0, AUXIO_PCIO_LED) ;
-}
-
-static inline void __auxio_sbus_set_led(int on)
-{
- (on) ? __auxio_sbus_set(AUXIO_AUX1_LED, 0) :
- __auxio_sbus_set(0, AUXIO_AUX1_LED) ;
-}
-
-void auxio_set_led(int on)
-{
- switch(auxio_devtype) {
- case AUXIO_TYPE_SBUS:
- __auxio_sbus_set_led(on);
- break;
- case AUXIO_TYPE_EBUS:
- __auxio_ebus_set_led(on);
- break;
- default:
- break;
- }
-}
-
-static inline void __auxio_sbus_set_lte(int on)
-{
- (on) ? __auxio_sbus_set(AUXIO_AUX1_LTE, 0) :
- __auxio_sbus_set(0, AUXIO_AUX1_LTE) ;
-}
-
-void auxio_set_lte(int on)
-{
- switch(auxio_devtype) {
- case AUXIO_TYPE_SBUS:
- __auxio_sbus_set_lte(on);
- break;
- case AUXIO_TYPE_EBUS:
- /* FALL-THROUGH */
- default:
- break;
- }
-}
-
-static struct of_device_id __initdata auxio_match[] = {
- {
- .name = "auxio",
- },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, auxio_match);
-
-static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct device_node *dp = dev->node;
- unsigned long size;
-
- if (!strcmp(dp->parent->name, "ebus")) {
- auxio_devtype = AUXIO_TYPE_EBUS;
- size = sizeof(u32);
- } else if (!strcmp(dp->parent->name, "sbus")) {
- auxio_devtype = AUXIO_TYPE_SBUS;
- size = 1;
- } else {
- printk("auxio: Unknown parent bus type [%s]\n",
- dp->parent->name);
- return -ENODEV;
- }
- auxio_register = of_ioremap(&dev->resource[0], 0, size, "auxio");
- if (!auxio_register)
- return -ENODEV;
-
- printk(KERN_INFO "AUXIO: Found device at %s\n",
- dp->full_name);
-
- if (auxio_devtype == AUXIO_TYPE_EBUS)
- auxio_set_led(AUXIO_LED_ON);
-
- return 0;
-}
-
-static struct of_platform_driver auxio_driver = {
- .match_table = auxio_match,
- .probe = auxio_probe,
- .driver = {
- .name = "auxio",
- },
-};
-
-static int __init auxio_init(void)
-{
- return of_register_driver(&auxio_driver, &of_platform_bus_type);
-}
-
-/* Must be after subsys_initcall() so that busses are probed. Must
- * be before device_initcall() because things like the floppy driver
- * need to use the AUXIO register.
- */
-fs_initcall(auxio_init);