Commit e65fa9f5 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Kill off dead bigsur and ec3104 boards.



Neither of these have had any maintenance in years, and there's
no interest in keeping them straggling along. These have already
been slated for removal some time, so finally just get rid of them.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 71074d3a
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@@ -135,12 +135,6 @@ config SH_HP6XX
	  More information (hardware only) at
	  <http://www.hp.com/jornada/>.

config SH_EC3104
	bool "EC3104"
	help
	  Select EC3104 if configuring for a system with an Eclipse
	  International EC3104 chip, e.g. the Harris AD2000.

config SH_SATURN
	bool "Saturn"
	select CPU_SUBTYPE_SH7604
@@ -156,9 +150,6 @@ config SH_DREAMCAST
	  <http://www.m17n.org/linux-sh/dreamcast/>.  There is a
	  Dreamcast project is at <http://linuxdc.sourceforge.net/>.

config SH_BIGSUR
	bool "BigSur"

config SH_MPC1211
	bool "Interface MPC1211"
	help
@@ -511,7 +502,7 @@ source "arch/sh/cchips/Kconfig"
config HEARTBEAT
	bool "Heartbeat LED"
	depends on SH_MPC1211 || SH_SH03 || \
		   SH_BIGSUR || SOLUTION_ENGINE || \
		   SOLUTION_ENGINE || \
		   SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_LANDISK || \
		   SH_R7780RP
	help
+0 −2
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@@ -94,10 +94,8 @@ machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se/7300
machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	:= se/7343
machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)	:= se/73180
machdir-$(CONFIG_SH_HP6XX)			:= hp6xx
machdir-$(CONFIG_SH_EC3104)			:= ec3104
machdir-$(CONFIG_SH_SATURN)			:= saturn
machdir-$(CONFIG_SH_DREAMCAST)			:= dreamcast
machdir-$(CONFIG_SH_BIGSUR)			:= bigsur
machdir-$(CONFIG_SH_MPC1211)			:= mpc1211
machdir-$(CONFIG_SH_SH03)			:= sh03
machdir-$(CONFIG_SH_SECUREEDGE5410)		:= snapgear

arch/sh/boards/bigsur/Makefile

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#
# Makefile for the BigSur specific parts of the kernel
#

obj-y	 := setup.o io.o irq.o led.o

arch/sh/boards/bigsur/io.c

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/*
 * 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;
}

arch/sh/boards/bigsur/irq.c

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/*
 *
 * 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);

}
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