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-rw-r--r--arch/sh/boards/bigsur/Makefile6
-rw-r--r--arch/sh/boards/bigsur/io.c120
-rw-r--r--arch/sh/boards/bigsur/irq.c334
-rw-r--r--arch/sh/boards/bigsur/led.c54
-rw-r--r--arch/sh/boards/bigsur/setup.c88
5 files changed, 0 insertions, 602 deletions
diff --git a/arch/sh/boards/bigsur/Makefile b/arch/sh/boards/bigsur/Makefile
deleted file mode 100644
index 0ff9497ac58..00000000000
--- a/arch/sh/boards/bigsur/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the BigSur specific parts of the kernel
-#
-
-obj-y := setup.o io.o irq.o led.o
-
diff --git a/arch/sh/boards/bigsur/io.c b/arch/sh/boards/bigsur/io.c
deleted file mode 100644
index 23071f97eec..00000000000
--- a/arch/sh/boards/bigsur/io.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * arch/sh/boards/bigsur/io.c
- *
- * By Dustin McIntire (dustin@sensoria.com) (c)2001
- * Derived from io_hd64465.h, which bore the message:
- * By Greg Banks <gbanks@pocketpenguins.com>
- * (c) 2000 PocketPenguins Inc.
- * and from io_hd64461.h, which bore the message:
- * Copyright 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
- *
- * IO functions for a Hitachi Big Sur Evaluation Board.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <asm/machvec.h>
-#include <asm/io.h>
-#include <asm/bigsur/bigsur.h>
-
-/* Low iomap maps port 0-1K to addresses in 8byte chunks */
-#define BIGSUR_IOMAP_LO_THRESH 0x400
-#define BIGSUR_IOMAP_LO_SHIFT 3
-#define BIGSUR_IOMAP_LO_MASK ((1<<BIGSUR_IOMAP_LO_SHIFT)-1)
-#define BIGSUR_IOMAP_LO_NMAP (BIGSUR_IOMAP_LO_THRESH>>BIGSUR_IOMAP_LO_SHIFT)
-static u32 bigsur_iomap_lo[BIGSUR_IOMAP_LO_NMAP];
-static u8 bigsur_iomap_lo_shift[BIGSUR_IOMAP_LO_NMAP];
-
-/* High iomap maps port 1K-64K to addresses in 1K chunks */
-#define BIGSUR_IOMAP_HI_THRESH 0x10000
-#define BIGSUR_IOMAP_HI_SHIFT 10
-#define BIGSUR_IOMAP_HI_MASK ((1<<BIGSUR_IOMAP_HI_SHIFT)-1)
-#define BIGSUR_IOMAP_HI_NMAP (BIGSUR_IOMAP_HI_THRESH>>BIGSUR_IOMAP_HI_SHIFT)
-static u32 bigsur_iomap_hi[BIGSUR_IOMAP_HI_NMAP];
-static u8 bigsur_iomap_hi_shift[BIGSUR_IOMAP_HI_NMAP];
-
-void bigsur_port_map(u32 baseport, u32 nports, u32 addr, u8 shift)
-{
- u32 port, endport = baseport + nports;
-
- pr_debug("bigsur_port_map(base=0x%0x, n=0x%0x, addr=0x%08x)\n",
- baseport, nports, addr);
-
- for (port = baseport ;
- port < endport && port < BIGSUR_IOMAP_LO_THRESH ;
- port += (1<<BIGSUR_IOMAP_LO_SHIFT)) {
- pr_debug(" maplo[0x%x] = 0x%08x\n", port, addr);
- bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = addr;
- bigsur_iomap_lo_shift[port>>BIGSUR_IOMAP_LO_SHIFT] = shift;
- addr += (1<<(BIGSUR_IOMAP_LO_SHIFT));
- }
-
- for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH);
- port < endport && port < BIGSUR_IOMAP_HI_THRESH ;
- port += (1<<BIGSUR_IOMAP_HI_SHIFT)) {
- pr_debug(" maphi[0x%x] = 0x%08x\n", port, addr);
- bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = addr;
- bigsur_iomap_hi_shift[port>>BIGSUR_IOMAP_HI_SHIFT] = shift;
- addr += (1<<(BIGSUR_IOMAP_HI_SHIFT));
- }
-}
-EXPORT_SYMBOL(bigsur_port_map);
-
-void bigsur_port_unmap(u32 baseport, u32 nports)
-{
- u32 port, endport = baseport + nports;
-
- pr_debug("bigsur_port_unmap(base=0x%0x, n=0x%0x)\n", baseport, nports);
-
- for (port = baseport ;
- port < endport && port < BIGSUR_IOMAP_LO_THRESH ;
- port += (1<<BIGSUR_IOMAP_LO_SHIFT)) {
- bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = 0;
- }
-
- for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH);
- port < endport && port < BIGSUR_IOMAP_HI_THRESH ;
- port += (1<<BIGSUR_IOMAP_HI_SHIFT)) {
- bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = 0;
- }
-}
-EXPORT_SYMBOL(bigsur_port_unmap);
-
-unsigned long bigsur_isa_port2addr(unsigned long port)
-{
- unsigned long addr = 0;
- unsigned char shift;
-
- /* Physical address not in P0, do nothing */
- if (PXSEG(port)) {
- addr = port;
- /* physical address in P0, map to P2 */
- } else if (port >= 0x30000) {
- addr = P2SEGADDR(port);
- /* Big Sur I/O + HD64465 registers 0x10000-0x30000 */
- } else if (port >= BIGSUR_IOMAP_HI_THRESH) {
- addr = BIGSUR_INTERNAL_BASE + (port - BIGSUR_IOMAP_HI_THRESH);
- /* Handle remapping of high IO/PCI IO ports */
- } else if (port >= BIGSUR_IOMAP_LO_THRESH) {
- addr = bigsur_iomap_hi[port >> BIGSUR_IOMAP_HI_SHIFT];
- shift = bigsur_iomap_hi_shift[port >> BIGSUR_IOMAP_HI_SHIFT];
-
- if (addr != 0)
- addr += (port & BIGSUR_IOMAP_HI_MASK) << shift;
- } else {
- /* Handle remapping of low IO ports */
- addr = bigsur_iomap_lo[port >> BIGSUR_IOMAP_LO_SHIFT];
- shift = bigsur_iomap_lo_shift[port >> BIGSUR_IOMAP_LO_SHIFT];
-
- if (addr != 0)
- addr += (port & BIGSUR_IOMAP_LO_MASK) << shift;
- }
-
- pr_debug("%s(0x%08lx) = 0x%08lx\n", __FUNCTION__, port, addr);
-
- return addr;
-}
-
diff --git a/arch/sh/boards/bigsur/irq.c b/arch/sh/boards/bigsur/irq.c
deleted file mode 100644
index 1ab04da3638..00000000000
--- a/arch/sh/boards/bigsur/irq.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- *
- * By Dustin McIntire (dustin@sensoria.com) (c)2001
- *
- * Setup and IRQ handling code for the HD64465 companion chip.
- * by Greg Banks <gbanks@pocketpenguins.com>
- * Copyright (c) 2000 PocketPenguins Inc
- *
- * Derived from setup_hd64465.c which bore the message:
- * Greg Banks <gbanks@pocketpenguins.com>
- * Copyright (c) 2000 PocketPenguins Inc and
- * Copyright (C) 2000 YAEGASHI Takeshi
- * and setup_cqreek.c which bore message:
- * Copyright (C) 2000 Niibe Yutaka
- *
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
- *
- * IRQ functions for a Hitachi Big Sur Evaluation Board.
- *
- */
-#undef DEBUG
-
-#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 <linux/bitops.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#include <asm/bigsur/io.h>
-#include <asm/hd64465/hd64465.h>
-#include <asm/bigsur/bigsur.h>
-
-//#define BIGSUR_DEBUG 3
-#undef BIGSUR_DEBUG
-
-#ifdef BIGSUR_DEBUG
-#define DIPRINTK(n, args...) if (BIGSUR_DEBUG>(n)) printk(args)
-#else
-#define DIPRINTK(n, args...)
-#endif /* BIGSUR_DEBUG */
-
-#ifdef CONFIG_HD64465
-extern int hd64465_irq_demux(int irq);
-#endif /* CONFIG_HD64465 */
-
-
-/*===========================================================*/
-// Big Sur CPLD IRQ Routines
-/*===========================================================*/
-
-/* Level 1 IRQ routines */
-static void disable_bigsur_l1irq(unsigned int irq)
-{
- unsigned char mask;
- unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
- unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) );
-
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
- pr_debug("Disable L1 IRQ %d\n", irq);
- DIPRINTK(2,"disable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
- mask_port, bit);
-
- /* Disable IRQ - set mask bit */
- mask = inb(mask_port) | bit;
- outb(mask, mask_port);
- return;
- }
- pr_debug("disable_bigsur_l1irq: Invalid IRQ %d\n", irq);
-}
-
-static void enable_bigsur_l1irq(unsigned int irq)
-{
- unsigned char mask;
- unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
- unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) );
-
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
- pr_debug("Enable L1 IRQ %d\n", irq);
- DIPRINTK(2,"enable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
- mask_port, bit);
- /* Enable L1 IRQ - clear mask bit */
- mask = inb(mask_port) & ~bit;
- outb(mask, mask_port);
- return;
- }
- pr_debug("enable_bigsur_l1irq: Invalid IRQ %d\n", irq);
-}
-
-
-/* Level 2 irq masks and registers for L2 decoding */
-/* Level2 bitmasks for each level 1 IRQ */
-const u32 bigsur_l2irq_mask[] =
- {0x40,0x80,0x08,0x01,0x01,0x3C,0x3E,0xFF,0x40,0x80,0x06,0x03};
-/* Level2 to ISR[n] map for each level 1 IRQ */
-const u32 bigsur_l2irq_reg[] =
- { 2, 2, 3, 3, 1, 2, 1, 0, 1, 1, 3, 2};
-/* Level2 to Level 1 IRQ map */
-const u32 bigsur_l2_l1_map[] =
- {7,7,7,7,7,7,7,7, 4,6,6,6,6,6,8,9, 11,11,5,5,5,5,0,1, 3,10,10,2,-1,-1,-1,-1};
-/* IRQ inactive level (high or low) */
-const u32 bigsur_l2_inactv_state[] = {0x00, 0xBE, 0xFC, 0xF7};
-
-/* CPLD external status and mask registers base and offsets */
-static const u32 isr_base = BIGSUR_IRQ0;
-static const u32 isr_offset = BIGSUR_IRQ0 - BIGSUR_IRQ1;
-static const u32 imr_base = BIGSUR_IMR0;
-static const u32 imr_offset = BIGSUR_IMR0 - BIGSUR_IMR1;
-
-#define REG_NUM(irq) ((irq-BIGSUR_2NDLVL_IRQ_LOW)/8 )
-
-/* Level 2 IRQ routines */
-static void disable_bigsur_l2irq(unsigned int irq)
-{
- unsigned char mask;
- unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
- unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
-
- if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
- pr_debug("Disable L2 IRQ %d\n", irq);
- DIPRINTK(2,"disable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
- mask_port, bit);
-
- /* Disable L2 IRQ - set mask bit */
- mask = inb(mask_port) | bit;
- outb(mask, mask_port);
- return;
- }
- pr_debug("disable_bigsur_l2irq: Invalid IRQ %d\n", irq);
-}
-
-static void enable_bigsur_l2irq(unsigned int irq)
-{
- unsigned char mask;
- unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
- unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
-
- if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
- pr_debug("Enable L2 IRQ %d\n", irq);
- DIPRINTK(2,"enable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
- mask_port, bit);
-
- /* Enable L2 IRQ - clear mask bit */
- mask = inb(mask_port) & ~bit;
- outb(mask, mask_port);
- return;
- }
- pr_debug("enable_bigsur_l2irq: Invalid IRQ %d\n", irq);
-}
-
-static void mask_and_ack_bigsur(unsigned int irq)
-{
- pr_debug("mask_and_ack_bigsur IRQ %d\n", irq);
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
- disable_bigsur_l1irq(irq);
- else
- disable_bigsur_l2irq(irq);
-}
-
-static void end_bigsur_irq(unsigned int irq)
-{
- pr_debug("end_bigsur_irq IRQ %d\n", irq);
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
- enable_bigsur_l1irq(irq);
- else
- enable_bigsur_l2irq(irq);
- }
-}
-
-static unsigned int startup_bigsur_irq(unsigned int irq)
-{
- u8 mask;
- u32 reg;
-
- pr_debug("startup_bigsur_irq IRQ %d\n", irq);
-
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
- /* Enable the L1 IRQ */
- enable_bigsur_l1irq(irq);
- /* Enable all L2 IRQs in this L1 IRQ */
- mask = ~(bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]);
- reg = imr_base - bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW] * imr_offset;
- mask &= inb(reg);
- outb(mask,reg);
- DIPRINTK(2,"startup_bigsur_irq: IMR=0x%08x mask=0x%x\n",reg,inb(reg));
- }
- else {
- /* Enable the L2 IRQ - clear mask bit */
- enable_bigsur_l2irq(irq);
- /* Enable the L1 bit masking this L2 IRQ */
- enable_bigsur_l1irq(bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW]);
- DIPRINTK(2,"startup_bigsur_irq: L1=%d L2=%d\n",
- bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW],irq);
- }
- return 0;
-}
-
-static void shutdown_bigsur_irq(unsigned int irq)
-{
- pr_debug("shutdown_bigsur_irq IRQ %d\n", irq);
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
- disable_bigsur_l1irq(irq);
- else
- disable_bigsur_l2irq(irq);
-}
-
-/* Define the IRQ structures for the L1 and L2 IRQ types */
-static struct hw_interrupt_type bigsur_l1irq_type = {
- .typename = "BigSur-CPLD-Level1-IRQ",
- .startup = startup_bigsur_irq,
- .shutdown = shutdown_bigsur_irq,
- .enable = enable_bigsur_l1irq,
- .disable = disable_bigsur_l1irq,
- .ack = mask_and_ack_bigsur,
- .end = end_bigsur_irq
-};
-
-static struct hw_interrupt_type bigsur_l2irq_type = {
- .typename = "BigSur-CPLD-Level2-IRQ",
- .startup = startup_bigsur_irq,
- .shutdown =shutdown_bigsur_irq,
- .enable = enable_bigsur_l2irq,
- .disable = disable_bigsur_l2irq,
- .ack = mask_and_ack_bigsur,
- .end = end_bigsur_irq
-};
-
-
-static void make_bigsur_l1isr(unsigned int irq) {
-
- /* sanity check first */
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
- /* save the handler in the main description table */
- irq_desc[irq].chip = &bigsur_l1irq_type;
- irq_desc[irq].status = IRQ_DISABLED;
- irq_desc[irq].action = 0;
- irq_desc[irq].depth = 1;
-
- disable_bigsur_l1irq(irq);
- return;
- }
- pr_debug("make_bigsur_l1isr: bad irq, %d\n", irq);
- return;
-}
-
-static void make_bigsur_l2isr(unsigned int irq) {
-
- /* sanity check first */
- if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
- /* save the handler in the main description table */
- irq_desc[irq].chip = &bigsur_l2irq_type;
- irq_desc[irq].status = IRQ_DISABLED;
- irq_desc[irq].action = 0;
- irq_desc[irq].depth = 1;
-
- disable_bigsur_l2irq(irq);
- return;
- }
- pr_debug("make_bigsur_l2isr: bad irq, %d\n", irq);
- return;
-}
-
-/* The IRQ's will be decoded as follows:
- * If a level 2 handler exists and there is an unmasked active
- * IRQ, the 2nd level handler will be called.
- * If a level 2 handler does not exist for the active IRQ
- * the 1st level handler will be called.
- */
-
-int bigsur_irq_demux(int irq)
-{
- int dmux_irq = irq;
- u8 mask, actv_irqs;
- u32 reg_num;
-
- DIPRINTK(3,"bigsur_irq_demux, irq=%d\n", irq);
- /* decode the 1st level IRQ */
- if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
- /* Get corresponding L2 ISR bitmask and ISR number */
- mask = bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW];
- reg_num = bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW];
- /* find the active IRQ's (XOR with inactive level)*/
- actv_irqs = inb(isr_base-reg_num*isr_offset) ^
- bigsur_l2_inactv_state[reg_num];
- /* decode active IRQ's */
- actv_irqs = actv_irqs & mask & ~(inb(imr_base-reg_num*imr_offset));
- /* if NEZ then we have an active L2 IRQ */
- if(actv_irqs) dmux_irq = ffz(~actv_irqs) + reg_num*8+BIGSUR_2NDLVL_IRQ_LOW;
- /* if no 2nd level IRQ action, but has 1st level, use 1st level handler */
- if(!irq_desc[dmux_irq].action && irq_desc[irq].action)
- dmux_irq = irq;
- DIPRINTK(1,"bigsur_irq_demux: irq=%d dmux_irq=%d mask=0x%04x reg=%d\n",
- irq, dmux_irq, mask, reg_num);
- }
-#ifdef CONFIG_HD64465
- dmux_irq = hd64465_irq_demux(dmux_irq);
-#endif /* CONFIG_HD64465 */
- DIPRINTK(3,"bigsur_irq_demux, demux_irq=%d\n", dmux_irq);
-
- return dmux_irq;
-}
-
-/*===========================================================*/
-// Big Sur Init Routines
-/*===========================================================*/
-void __init init_bigsur_IRQ(void)
-{
- int i;
-
- if (!MACH_BIGSUR) return;
-
- /* Create ISR's for Big Sur CPLD IRQ's */
- /*==============================================================*/
- for(i=BIGSUR_IRQ_LOW;i<BIGSUR_IRQ_HIGH;i++)
- make_bigsur_l1isr(i);
-
- printk(KERN_INFO "Big Sur CPLD L1 interrupts %d to %d.\n",
- BIGSUR_IRQ_LOW,BIGSUR_IRQ_HIGH);
-
- for(i=BIGSUR_2NDLVL_IRQ_LOW;i<BIGSUR_2NDLVL_IRQ_HIGH;i++)
- make_bigsur_l2isr(i);
-
- printk(KERN_INFO "Big Sur CPLD L2 interrupts %d to %d.\n",
- BIGSUR_2NDLVL_IRQ_LOW,BIGSUR_2NDLVL_IRQ_HIGH);
-
-}
diff --git a/arch/sh/boards/bigsur/led.c b/arch/sh/boards/bigsur/led.c
deleted file mode 100644
index d221439aafc..00000000000
--- a/arch/sh/boards/bigsur/led.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * linux/arch/sh/boards/bigsur/led.c
- *
- * By Dustin McIntire (dustin@sensoria.com) (c)2001
- * Derived from led_se.c and led.c, which bore the message:
- * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
- *
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
- *
- * This file contains Big Sur specific LED code.
- */
-
-#include <asm/io.h>
-#include <asm/bigsur/bigsur.h>
-
-static void mach_led(int position, int value)
-{
- int word;
-
- word = bigsur_inl(BIGSUR_CSLR);
- if (value) {
- bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR);
- } else {
- bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR);
- }
-}
-
-#ifdef CONFIG_HEARTBEAT
-
-#include <linux/sched.h>
-
-/* Cycle the LED on/off */
-void heartbeat_bigsur(void)
-{
- static unsigned cnt = 0, period = 0, dist = 0;
-
- if (cnt == 0 || cnt == dist)
- mach_led( -1, 1);
- else if (cnt == 7 || cnt == dist+7)
- mach_led( -1, 0);
-
- if (++cnt > period) {
- cnt = 0;
- /* The hyperbolic function below modifies the heartbeat period
- * length in dependency of the current (5min) load. It goes
- * through the points f(0)=126, f(1)=86, f(5)=51,
- * f(inf)->30. */
- period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
- dist = period / 4;
- }
-}
-#endif /* CONFIG_HEARTBEAT */
-
diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c
deleted file mode 100644
index 9711c20fc9e..00000000000
--- a/arch/sh/boards/bigsur/setup.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- *
- * By Dustin McIntire (dustin@sensoria.com) (c)2001
- *
- * Setup and IRQ handling code for the HD64465 companion chip.
- * by Greg Banks <gbanks@pocketpenguins.com>
- * Copyright (c) 2000 PocketPenguins Inc
- *
- * Derived from setup_hd64465.c which bore the message:
- * Greg Banks <gbanks@pocketpenguins.com>
- * Copyright (c) 2000 PocketPenguins Inc and
- * Copyright (C) 2000 YAEGASHI Takeshi
- * and setup_cqreek.c which bore message:
- * Copyright (C) 2000 Niibe Yutaka
- *
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
- *
- * Setup functions for a Hitachi Big Sur Evaluation Board.
- *
- */
-
-#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 <linux/bitops.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/machvec.h>
-#include <asm/bigsur/io.h>
-#include <asm/hd64465/hd64465.h>
-#include <asm/bigsur/bigsur.h>
-
-/*===========================================================*/
-// Big Sur Init Routines
-/*===========================================================*/
-
-static void __init bigsur_setup(char **cmdline_p)
-{
- /* Mask all 2nd level IRQ's */
- outb(-1,BIGSUR_IMR0);
- outb(-1,BIGSUR_IMR1);
- outb(-1,BIGSUR_IMR2);
- outb(-1,BIGSUR_IMR3);
-
- /* Mask 1st level interrupts */
- outb(-1,BIGSUR_IRLMR0);
- outb(-1,BIGSUR_IRLMR1);
-
-#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL)
- /* remap IO ports for first ISA serial port to HD64465 UART */
- bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
-#endif /* CONFIG_HD64465 && CONFIG_SERIAL */
- /* TODO: setup IDE registers */
- bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8);
- /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */
- bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0);
- /* set page to 1 */
- outw(1, BIGSUR_ETHR+0xe);
- /* set the IO port to BIGSUR_ETHER_IOPORT */
- outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);
-}
-
-/*
- * The Machine Vector
- */
-extern void heartbeat_bigsur(void);
-extern void init_bigsur_IRQ(void);
-
-struct sh_machine_vector mv_bigsur __initmv = {
- .mv_name = "Big Sur",
- .mv_setup = bigsur_setup,
-
- .mv_isa_port2addr = bigsur_isa_port2addr,
- .mv_irq_demux = bigsur_irq_demux,
-
- .mv_init_irq = init_bigsur_IRQ,
-#ifdef CONFIG_HEARTBEAT
- .mv_heartbeat = heartbeat_bigsur,
-#endif
-};
-ALIAS_MV(bigsur)
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