powerpc: remove 4xx support

There was for long time no activity in the 4xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 4xx,
so remove it.

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 0 insertions, 470 deletions

diff --git a/board/mpl/common/isa.c b/board/mpl/common/isa.c
deleted file mode 100644
index 54ec66bd45b..00000000000
--- a/board/mpl/common/isa.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * (C) Copyright 2001
- * Denis Peter, MPL AG Switzerland
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * TODO: clean-up
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <stdio_dev.h>
-#include "isa.h"
-#include "piix4_pci.h"
-#include "kbd.h"
-#include "video.h"
-
-
-#undef	ISA_DEBUG
-
-#ifdef	ISA_DEBUG
-#define	PRINTF(fmt,args...)	printf (fmt ,##args)
-#else
-#define PRINTF(fmt,args...)
-#endif
-
-#if defined(CONFIG_PIP405)
-
-extern int drv_isa_kbd_init (void);
-
-/* fdc (logical device 0) */
-const SIO_LOGDEV_TABLE sio_fdc[] = {
-	{0x60, 3},			/* set IO to FDPort (3F0) */
-	{0x61, 0xF0},		/* set IO to FDPort (3F0) */
-	{0x70, 06},			/* set IRQ 6 for FDPort */
-	{0x74, 02},			/* set DMA 2 for FDPort */
-	{0xF0, 0x05},		/* set to PS2 type */
-	{0xF1, 0x00},	  /* default value */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-/* paralell port (logical device 3) */
-const SIO_LOGDEV_TABLE sio_pport[] = {
-	{0x60, 3},			/* set IO to PPort (378) */
-	{0x61, 0x78},		/* set IO to PPort (378) */
-	{0x70, 07},			/* set IRQ 7 for PPort */
-	{0xF1, 00},			/* set PPort to normal */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-/* paralell port (logical device 3) Floppy assigned to lpt */
-const SIO_LOGDEV_TABLE sio_pport_fdc[] = {
-	{0x60, 3},			/* set IO to PPort (378) */
-	{0x61, 0x78},		/* set IO to PPort (378) */
-	{0x70, 07},			/* set IRQ 7 for PPort */
-	{0xF1, 02},			/* set PPort to Floppy */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-/* uart 1 (logical device 4) */
-const SIO_LOGDEV_TABLE sio_com1[] = {
-	{0x60, 3},			/* set IO to COM1 (3F8) */
-	{0x61, 0xF8},		/* set IO to COM1 (3F8) */
-	{0x70, 04},			/* set IRQ 4 for COM1 */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-/* uart 2 (logical device 5) */
-const SIO_LOGDEV_TABLE sio_com2[] = {
-	{0x60, 2},			/* set IO to COM2 (2F8) */
-	{0x61, 0xF8},		/* set IO to COM2 (2F8) */
-	{0x70, 03},			/* set IRQ 3 for COM2 */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-
-/* keyboard controller (logical device 7) */
-const SIO_LOGDEV_TABLE sio_keyboard[] = {
-	{0x70, 1},			/* set IRQ 1 for keyboard */
-	{0x72, 12},			/* set IRQ 12 for mouse */
-	{0xF0, 0},			/* disable Port92 (this is a PowerPC!!) */
-	{0x30, 1},			/* and activate the device */
-	{0xFF, 0}				/* end of device table */
-};
-
-
-/*******************************************************************************
-* Config SuperIO FDC37C672
-********************************************************************************/
-unsigned char open_cfg_super_IO(int address)
-{
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,0x55); /* open config */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,0x20); /* set address to DEV ID */
-	if(in8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address | 0x1)==0x40) /* ok Device ID is correct */
-		return true;
-	else
-		return false;
-}
-
-void close_cfg_super_IO(int address)
-{
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,0xAA); /* close config */
-}
-
-
-unsigned char read_cfg_super_IO(int address, unsigned char function, unsigned char regaddr)
-{
-	/* assuming config reg is open */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,0x7); /* points to the function reg */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address | 1,function); /* set the function no */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,regaddr); /* sets the address in the function */
-	return in8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address | 1);
-}
-
-void write_cfg_super_IO(int address, unsigned char function, unsigned char regaddr, unsigned char data)
-{
-	/* assuming config reg is open */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,0x7); /* points to the function reg */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address | 1,function); /* set the function no */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address,regaddr); /* sets the address in the function */
-	out8(CONFIG_SYS_ISA_IO_BASE_ADDRESS | address | 1,data); /* writes the data */
-}
-
-void isa_write_table(SIO_LOGDEV_TABLE *ldt,unsigned char ldev)
-{
-	while (ldt->index != 0xFF) {
-		write_cfg_super_IO(SIO_CFG_PORT, ldev, ldt->index, ldt->val);
-		ldt++;
-	} /* endwhile */
-}
-
-void isa_sio_loadtable(void)
-{
-	char *s = getenv("floppy");
-	/* setup Floppy device 0*/
-	isa_write_table((SIO_LOGDEV_TABLE *)&sio_fdc,0);
-	/* setup parallel port device 3 */
-	if(s && !strncmp(s, "lpt", 3)) {
-		printf("SIO:   Floppy assigned to LPT\n");
-		/* floppy is assigned to the LPT */
-		isa_write_table((SIO_LOGDEV_TABLE *)&sio_pport_fdc,3);
-	}
-	else {
-		/*printf("Floppy assigned to internal port\n");*/
-		isa_write_table((SIO_LOGDEV_TABLE *)&sio_pport,3);
-	}
-	/* setup Com1 port device 4 */
-	isa_write_table((SIO_LOGDEV_TABLE *)&sio_com1,4);
-	/* setup Com2 port device 5 */
-	isa_write_table((SIO_LOGDEV_TABLE *)&sio_com2,5);
-	/* setup keyboards device 7 */
-	isa_write_table((SIO_LOGDEV_TABLE *)&sio_keyboard,7);
-}
-
-
-void isa_sio_setup(void)
-{
-	if (open_cfg_super_IO(SIO_CFG_PORT) == true)
-	{
-		isa_sio_loadtable();
-		close_cfg_super_IO(0x3F0);
-	}
-}
-#endif
-
-/******************************************************************************
- * IRQ Controller
- * we use the Vector mode
- */
-
-struct	isa_irq_action {
-	 interrupt_handler_t *handler;
-	 void *arg;
-	 int count;
-};
-
-static struct isa_irq_action isa_irqs[16];
-
-
-/*
- * This contains the irq mask for both 8259A irq controllers,
- */
-static unsigned int cached_irq_mask = 0xfff9;
-
-#define cached_imr1	(unsigned char)cached_irq_mask
-#define cached_imr2	(unsigned char)(cached_irq_mask>>8)
-#define IMR_1		CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT1_OCW1
-#define IMR_2		CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT2_OCW1
-#define ICW1_1	CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT1_ICW1
-#define ICW1_2	CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT2_ICW1
-#define ICW2_1	CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT1_ICW2
-#define ICW2_2	CONFIG_SYS_ISA_IO_BASE_ADDRESS + PIIX4_ISA_INT2_ICW2
-#define ICW3_1	ICW2_1
-#define ICW3_2	ICW2_2
-#define ICW4_1	ICW2_1
-#define ICW4_2	ICW2_2
-#define ISR_1		ICW1_1
-#define ISR_2		ICW1_2
-
-
-void disable_8259A_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << irq;
-
-	cached_irq_mask |= mask;
-	if (irq & 8)
-		out8(IMR_2,cached_imr2);
-	else
-		out8(IMR_1,cached_imr1);
-}
-
-void enable_8259A_irq(unsigned int irq)
-{
-	unsigned int mask = ~(1 << irq);
-
-	cached_irq_mask &= mask;
-	if (irq & 8)
-		out8(IMR_2,cached_imr2);
-	else
-		out8(IMR_1,cached_imr1);
-}
-/*
-int i8259A_irq_pending(unsigned int irq)
-{
-	unsigned int mask = 1<<irq;
-	int ret;
-
-	if (irq < 8)
-		ret = inb(0x20) & mask;
-	else
-		ret = inb(0xA0) & (mask >> 8);
-	spin_unlock_irqrestore(&i8259A_lock, flags);
-
-	return ret;
-}
-*/
-
-/*
- * This function assumes to be called rarely. Switching between
- * 8259A registers is slow.
- */
-int i8259A_irq_real(unsigned int irq)
-{
-	int value;
-	int irqmask = 1<<irq;
-
-	if (irq < 8) {
-		out8(ISR_1,0x0B);		/* ISR register */
-		value = in8(ISR_1) & irqmask;
-		out8(ISR_1,0x0A);		/* back to the IRR register */
-		return value;
-	}
-	out8(ISR_2,0x0B);		/* ISR register */
-	value = in8(ISR_2) & (irqmask >> 8);
-	out8(ISR_2,0x0A);		/* back to the IRR register */
-	return value;
-}
-
-/*
- * Careful! The 8259A is a fragile beast, it pretty
- * much _has_ to be done exactly like this (mask it
- * first, _then_ send the EOI, and the order of EOI
- * to the two 8259s is important!
- */
-void mask_and_ack_8259A(unsigned int irq)
-{
-	unsigned int irqmask = 1 << irq;
-	unsigned int temp_irqmask = cached_irq_mask;
-	/*
-	 * Lightweight spurious IRQ detection. We do not want
-	 * to overdo spurious IRQ handling - it's usually a sign
-	 * of hardware problems, so we only do the checks we can
-	 * do without slowing down good hardware unnecesserily.
-	 *
-	 * Note that IRQ7 and IRQ15 (the two spurious IRQs
-	 * usually resulting from the 8259A-1|2 PICs) occur
-	 * even if the IRQ is masked in the 8259A. Thus we
-	 * can check spurious 8259A IRQs without doing the
-	 * quite slow i8259A_irq_real() call for every IRQ.
-	 * This does not cover 100% of spurious interrupts,
-	 * but should be enough to warn the user that there
-	 * is something bad going on ...
-	 */
-	if (temp_irqmask & irqmask)
-		goto spurious_8259A_irq;
-	temp_irqmask |= irqmask;
-
-handle_real_irq:
-	if (irq & 8) {
-		in8(IMR_2);		/* DUMMY - (do we need this?) */
-		out8(IMR_2,(unsigned char)(temp_irqmask>>8));
-		out8(ISR_2,0x60+(irq&7));/* 'Specific EOI' to slave */
-		out8(ISR_1,0x62);	/* 'Specific EOI' to master-IRQ2 */
-		out8(IMR_2,cached_imr2); /* turn it on again */
-	} else {
-		in8(IMR_1);		/* DUMMY - (do we need this?) */
-		out8(IMR_1,(unsigned char)temp_irqmask);
-		out8(ISR_1,0x60+irq);	/* 'Specific EOI' to master */
-		out8(IMR_1,cached_imr1); /* turn it on again */
-	}
-
-	return;
-
-spurious_8259A_irq:
-	/*
-	 * this is the slow path - should happen rarely.
-	 */
-	if (i8259A_irq_real(irq))
-		/*
-		 * oops, the IRQ _is_ in service according to the
-		 * 8259A - not spurious, go handle it.
-		 */
-		goto handle_real_irq;
-
-	{
-		static int spurious_irq_mask;
-		/*
-		 * At this point we can be sure the IRQ is spurious,
-		 * lets ACK and report it. [once per IRQ]
-		 */
-		if (!(spurious_irq_mask & irqmask)) {
-			PRINTF("spurious 8259A interrupt: IRQ%d.\n", irq);
-			spurious_irq_mask |= irqmask;
-		}
-		/* irq_err_count++; */
-		/*
-		 * Theoretically we do not have to handle this IRQ,
-		 * but in Linux this does not cause problems and is
-		 * simpler for us.
-		 */
-		goto handle_real_irq;
-	}
-}
-
-void init_8259A(void)
-{
-	out8(IMR_1,0xff);	/* mask all of 8259A-1 */
-	out8(IMR_2,0xff);	/* mask all of 8259A-2 */
-
-	out8(ICW1_1,0x11);	/* ICW1: select 8259A-1 init */
-	out8(ICW2_1,0x20 + 0);	/* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */
-	out8(ICW3_1,0x04);	/* 8259A-1 (the master) has a slave on IR2 */
-	out8(ICW4_1,0x01);	/* master expects normal EOI */
-	out8(ICW1_2,0x11);	/* ICW2: select 8259A-2 init */
-	out8(ICW2_2,0x20 + 8);	/* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */
-	out8(ICW3_2,0x02);	/* 8259A-2 is a slave on master's IR2 */
-	out8(ICW4_2,0x01);	/* (slave's support for AEOI in flat mode
-				    is to be investigated) */
-	udelay(10000);		/* wait for 8259A to initialize */
-	out8(IMR_1,cached_imr1);	/* restore master IRQ mask */
-	udelay(10000);		/* wait for 8259A to initialize */
-	out8(IMR_2,cached_imr2);	/* restore slave IRQ mask */
-}
-
-
-#define PCI_INT_ACK_ADDR 0xEED00000
-
-int handle_isa_int(void)
-{
-	unsigned long irqack;
-	unsigned char irq;
-	/* first we acknokledge the int via the PCI bus */
-	irqack=in32(PCI_INT_ACK_ADDR);
-	/* now we get the ISRs */
-	in8(ISR_2);
-	in8(ISR_1);
-	irq=(unsigned char)irqack;
-	irq-=32;
-/*	if((irq==7)&&((isr1&0x80)==0)) {
-		PRINTF("IRQ7 detected but not in ISR\n");
-	}
-	else {
-*/		/* we should handle cascaded interrupts here also */
-	{
-/*		printf("ISA Irq %d\n",irq); */
-		isa_irqs[irq].count++;
-		if(irq!=2) { /* just swallow the cascade irq 2 */
-			if (isa_irqs[irq].handler != NULL)
-				(*isa_irqs[irq].handler)(isa_irqs[irq].arg);      /* call isr */
-			else {
-				PRINTF ("bogus interrupt vector 0x%x\n", irq);
-			}
-		}
-	}
-	/* issue EOI instruction to clear the IRQ */
-	mask_and_ack_8259A(irq);
-	return 0;
-}
-
-
-/******************************************************************
- * Install and free an ISA interrupt handler.
- */
-
-void isa_irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
-{
-	if (isa_irqs[vec].handler != NULL) {
-		printf ("ISA Interrupt vector %d: handler 0x%x replacing 0x%x\n",
-			vec, (uint)handler, (uint)isa_irqs[vec].handler);
-	}
-	isa_irqs[vec].handler = handler;
-	isa_irqs[vec].arg     = arg;
-	enable_8259A_irq(vec);
-	PRINTF ("Install ISA IRQ %d ==> %p, @ %p mask=%04x\n", vec, handler, &isa_irqs[vec].handler,cached_irq_mask);
-
-}
-
-void isa_irq_free_handler(int vec)
-{
-	disable_8259A_irq(vec);
-	isa_irqs[vec].handler = NULL;
-	isa_irqs[vec].arg     = NULL;
-	PRINTF ("Free ISA IRQ %d mask=%04x\n", vec, cached_irq_mask);
-
-}
-
-/****************************************************************************/
-void isa_init_irq_contr(void)
-{
-	int i;
-	/* disable all Interrupts */
-	/* first write icws controller 1 */
-	for(i=0;i<16;i++)
-	{
-		isa_irqs[i].handler=NULL;
-		isa_irqs[i].arg=NULL;
-		isa_irqs[i].count=0;
-	}
-	init_8259A();
-	out8(IMR_2,0xFF);
-}
-/*************************************************************************/
-
-void isa_show_irq(void)
-{
-	int vec;
-
-	printf ("\nISA Interrupt-Information:\n");
-	printf ("Nr  Routine   Arg       Count\n");
-
-	for (vec=0; vec<16; vec++) {
-		if (isa_irqs[vec].handler != NULL) {
-			printf ("%02d  %08lx  %08lx  %d\n",
-				vec,
-				(ulong)isa_irqs[vec].handler,
-				(ulong)isa_irqs[vec].arg,
-				isa_irqs[vec].count);
-		}
-	}
-}
-
-int isa_irq_get_count(int vec)
-{
-	return(isa_irqs[vec].count);
-}
-
-/******************************************************************
- * Init the ISA bus and devices.
- */
-
-#if defined(CONFIG_PIP405)
-
-int isa_init(void)
-{
-	isa_sio_setup();
-	isa_init_irq_contr();
-	drv_isa_kbd_init();
-	return 0;
-}
-#endif