sh: Kill off long-dead HD64465 cchip support.
[sfrench/cifs-2.6.git] / arch / sh / cchips / hd6446x / hd64465 / setup.c
diff --git a/arch/sh/cchips/hd6446x/hd64465/setup.c b/arch/sh/cchips/hd6446x/hd64465/setup.c
deleted file mode 100644 (file)
index 9b8820c..0000000
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * $Id: setup.c,v 1.4 2003/08/03 03:05:10 lethal Exp $
- *
- * Setup and IRQ handling code for the HD64465 companion chip.
- * by Greg Banks <gbanks@pocketpenguins.com>
- * Copyright (c) 2000 PocketPenguins Inc
- *
- * Derived from setup_hd64461.c which bore the message:
- * Copyright (C) 2000 YAEGASHI Takeshi
- */
-
-#include <linux/sched.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/hd64465/hd64465.h>
-
-static void disable_hd64465_irq(unsigned int irq)
-{
-       unsigned short nimr;
-       unsigned short mask = 1 << (irq - HD64465_IRQ_BASE);
-
-       pr_debug("disable_hd64465_irq(%d): mask=%x\n", irq, mask);
-       nimr = inw(HD64465_REG_NIMR);
-       nimr |= mask;
-       outw(nimr, HD64465_REG_NIMR);
-}
-
-static void enable_hd64465_irq(unsigned int irq)
-{
-       unsigned short nimr;
-       unsigned short mask = 1 << (irq - HD64465_IRQ_BASE);
-
-       pr_debug("enable_hd64465_irq(%d): mask=%x\n", irq, mask);
-       nimr = inw(HD64465_REG_NIMR);
-       nimr &= ~mask;
-       outw(nimr, HD64465_REG_NIMR);
-}
-
-static void mask_and_ack_hd64465(unsigned int irq)
-{
-       disable_hd64465_irq(irq);
-}
-
-static void end_hd64465_irq(unsigned int irq)
-{
-       if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-               enable_hd64465_irq(irq);
-}
-
-static unsigned int startup_hd64465_irq(unsigned int irq)
-{
-       enable_hd64465_irq(irq);
-       return 0;
-}
-
-static void shutdown_hd64465_irq(unsigned int irq)
-{
-       disable_hd64465_irq(irq);
-}
-
-static struct hw_interrupt_type hd64465_irq_type = {
-       .typename       = "HD64465-IRQ",
-       .startup        = startup_hd64465_irq,
-       .shutdown       = shutdown_hd64465_irq,
-       .enable         = enable_hd64465_irq,
-       .disable        = disable_hd64465_irq,
-       .ack            = mask_and_ack_hd64465,
-       .end            = end_hd64465_irq,
-};
-
-static irqreturn_t hd64465_interrupt(int irq, void *dev_id)
-{
-       printk(KERN_INFO
-              "HD64465: spurious interrupt, nirr: 0x%x nimr: 0x%x\n",
-              inw(HD64465_REG_NIRR), inw(HD64465_REG_NIMR));
-
-       return IRQ_NONE;
-}
-
-/*
- * Support for a secondary IRQ demux step.  This is necessary
- * because the HD64465 presents a very thin interface to the
- * PCMCIA bus; a lot of features (such as remapping interrupts)
- * normally done in hardware by other PCMCIA host bridges is
- * instead done in software.
- */
-static struct {
-    int (*func)(int, void *);
-    void *dev;
-} hd64465_demux[HD64465_IRQ_NUM];
-
-void hd64465_register_irq_demux(int irq,
-               int (*demux)(int irq, void *dev), void *dev)
-{
-       hd64465_demux[irq - HD64465_IRQ_BASE].func = demux;
-       hd64465_demux[irq - HD64465_IRQ_BASE].dev = dev;
-}
-EXPORT_SYMBOL(hd64465_register_irq_demux);
-
-void hd64465_unregister_irq_demux(int irq)
-{
-       hd64465_demux[irq - HD64465_IRQ_BASE].func = 0;
-}
-EXPORT_SYMBOL(hd64465_unregister_irq_demux);
-
-int hd64465_irq_demux(int irq)
-{
-       if (irq == CONFIG_HD64465_IRQ) {
-               unsigned short i, bit;
-               unsigned short nirr = inw(HD64465_REG_NIRR);
-               unsigned short nimr = inw(HD64465_REG_NIMR);
-
-               pr_debug("hd64465_irq_demux, nirr=%04x, nimr=%04x\n", nirr, nimr);
-               nirr &= ~nimr;
-               for (bit = 1, i = 0 ; i < HD64465_IRQ_NUM ; bit <<= 1, i++)
-                   if (nirr & bit)
-                       break;
-
-               if (i < HD64465_IRQ_NUM) {
-                   irq = HD64465_IRQ_BASE + i;
-                   if (hd64465_demux[i].func != 0)
-                       irq = hd64465_demux[i].func(irq, hd64465_demux[i].dev);
-               }
-       }
-       return irq;
-}
-
-static struct irqaction irq0  = {
-       .handler = hd64465_interrupt,
-       .flags = IRQF_DISABLED,
-       .mask = CPU_MASK_NONE,
-       .name = "HD64465",
-};
-
-static int __init setup_hd64465(void)
-{
-       int i;
-       unsigned short rev;
-       unsigned short smscr;
-
-       if (!MACH_HD64465)
-               return 0;
-
-       printk(KERN_INFO "HD64465 configured at 0x%x on irq %d(mapped into %d to %d)\n",
-              CONFIG_HD64465_IOBASE,
-              CONFIG_HD64465_IRQ,
-              HD64465_IRQ_BASE,
-              HD64465_IRQ_BASE+HD64465_IRQ_NUM-1);
-
-       if (inw(HD64465_REG_SDID) != HD64465_SDID) {
-               printk(KERN_ERR "HD64465 device ID not found, check base address\n");
-       }
-
-       rev = inw(HD64465_REG_SRR);
-       printk(KERN_INFO "HD64465 hardware revision %d.%d\n", (rev >> 8) & 0xff, rev & 0xff);
-
-       outw(0xffff, HD64465_REG_NIMR); /* mask all interrupts */
-
-       for (i = 0; i < HD64465_IRQ_NUM ; i++) {
-               irq_desc[HD64465_IRQ_BASE + i].chip = &hd64465_irq_type;
-       }
-
-       setup_irq(CONFIG_HD64465_IRQ, &irq0);
-
-       /* wake up the UART from STANDBY at this point */
-       smscr = inw(HD64465_REG_SMSCR);
-       outw(smscr & (~HD64465_SMSCR_UARTST), HD64465_REG_SMSCR);
-
-       /* remap IO ports for first ISA serial port to HD64465 UART */
-       hd64465_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
-
-       return 0;
-}
-module_init(setup_hd64465);