powerpc, 5xxx, 512x: remove support for mpc5xxx and mpc512x

There was for long time no activity in the mpx5xxx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in mpc5xxx,
so remove it.

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

1 files changed, 0 insertions, 330 deletions

diff --git a/arch/powerpc/cpu/mpc5xxx/interrupts.c b/arch/powerpc/cpu/mpc5xxx/interrupts.c
deleted file mode 100644
index 9121fa0cd0..0000000000
--- a/arch/powerpc/cpu/mpc5xxx/interrupts.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * (C) Copyright 2006
- * Detlev Zundel, DENX Software Engineering, dzu@denx.de
- *
- * (C) Copyright -2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/* this section was ripped out of arch/powerpc/syslib/mpc52xx_pic.c in the
- * Linux 2.6 source with the following copyright.
- *
- * Based on (well, mostly copied from) the code from the 2.4 kernel by
- * Dale Farnsworth <dfarnsworth@mvista.com> and Kent Borg.
- *
- * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com>
- * Copyright (C) 2003 Montavista Software, Inc
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <command.h>
-
-struct irq_action {
-	interrupt_handler_t *handler;
-	void *arg;
-	ulong count;
-};
-
-static struct irq_action irq_handlers[NR_IRQS];
-
-static struct mpc5xxx_intr *intr;
-static struct mpc5xxx_sdma *sdma;
-
-static void mpc5xxx_ic_disable(unsigned int irq)
-{
-	u32 val;
-
-	if (irq == MPC5XXX_IRQ0) {
-		val = in_be32(&intr->ctrl);
-		val &= ~(1 << 11);
-		out_be32(&intr->ctrl, val);
-	} else if (irq < MPC5XXX_IRQ1) {
-		BUG();
-	} else if (irq <= MPC5XXX_IRQ3) {
-		val = in_be32(&intr->ctrl);
-		val &= ~(1 << (10 - (irq - MPC5XXX_IRQ1)));
-		out_be32(&intr->ctrl, val);
-	} else if (irq < MPC5XXX_SDMA_IRQ_BASE) {
-		val = in_be32(&intr->main_mask);
-		val |= 1 << (16 - (irq - MPC5XXX_MAIN_IRQ_BASE));
-		out_be32(&intr->main_mask, val);
-	} else if (irq < MPC5XXX_PERP_IRQ_BASE) {
-		val = in_be32(&sdma->IntMask);
-		val |= 1 << (irq - MPC5XXX_SDMA_IRQ_BASE);
-		out_be32(&sdma->IntMask, val);
-	} else {
-		val = in_be32(&intr->per_mask);
-		val |= 1 << (31 - (irq - MPC5XXX_PERP_IRQ_BASE));
-		out_be32(&intr->per_mask, val);
-	}
-}
-
-static void mpc5xxx_ic_enable(unsigned int irq)
-{
-	u32 val;
-
-	if (irq == MPC5XXX_IRQ0) {
-		val = in_be32(&intr->ctrl);
-		val |= 1 << 11;
-		out_be32(&intr->ctrl, val);
-	} else if (irq < MPC5XXX_IRQ1) {
-		BUG();
-	} else if (irq <= MPC5XXX_IRQ3) {
-		val = in_be32(&intr->ctrl);
-		val |= 1 << (10 - (irq - MPC5XXX_IRQ1));
-		out_be32(&intr->ctrl, val);
-	} else if (irq < MPC5XXX_SDMA_IRQ_BASE) {
-		val = in_be32(&intr->main_mask);
-		val &= ~(1 << (16 - (irq - MPC5XXX_MAIN_IRQ_BASE)));
-		out_be32(&intr->main_mask, val);
-	} else if (irq < MPC5XXX_PERP_IRQ_BASE) {
-		val = in_be32(&sdma->IntMask);
-		val &= ~(1 << (irq - MPC5XXX_SDMA_IRQ_BASE));
-		out_be32(&sdma->IntMask, val);
-	} else {
-		val = in_be32(&intr->per_mask);
-		val &= ~(1 << (31 - (irq - MPC5XXX_PERP_IRQ_BASE)));
-		out_be32(&intr->per_mask, val);
-	}
-}
-
-static void mpc5xxx_ic_ack(unsigned int irq)
-{
-	u32 val;
-
-	/*
-	 * Only some irqs are reset here, others in interrupting hardware.
-	 */
-
-	switch (irq) {
-	case MPC5XXX_IRQ0:
-		val = in_be32(&intr->ctrl);
-		val |= 0x08000000;
-		out_be32(&intr->ctrl, val);
-		break;
-	case MPC5XXX_CCS_IRQ:
-		val = in_be32(&intr->enc_status);
-		val |= 0x00000400;
-		out_be32(&intr->enc_status, val);
-		break;
-	case MPC5XXX_IRQ1:
-		val = in_be32(&intr->ctrl);
-		val |= 0x04000000;
-		out_be32(&intr->ctrl, val);
-		break;
-	case MPC5XXX_IRQ2:
-		val = in_be32(&intr->ctrl);
-		val |= 0x02000000;
-		out_be32(&intr->ctrl, val);
-		break;
-	case MPC5XXX_IRQ3:
-		val = in_be32(&intr->ctrl);
-		val |= 0x01000000;
-		out_be32(&intr->ctrl, val);
-		break;
-	default:
-		if (irq >= MPC5XXX_SDMA_IRQ_BASE
-		    && irq < (MPC5XXX_SDMA_IRQ_BASE + MPC5XXX_SDMA_IRQ_NUM)) {
-			out_be32(&sdma->IntPend,
-				 1 << (irq - MPC5XXX_SDMA_IRQ_BASE));
-		}
-		break;
-	}
-}
-
-static void mpc5xxx_ic_disable_and_ack(unsigned int irq)
-{
-	mpc5xxx_ic_disable(irq);
-	mpc5xxx_ic_ack(irq);
-}
-
-static void mpc5xxx_ic_end(unsigned int irq)
-{
-	mpc5xxx_ic_enable(irq);
-}
-
-void mpc5xxx_init_irq(void)
-{
-	u32 intr_ctrl;
-
-	/* Remap the necessary zones */
-	intr = (struct mpc5xxx_intr *)(MPC5XXX_ICTL);
-	sdma = (struct mpc5xxx_sdma *)(MPC5XXX_SDMA);
-
-	/* Disable all interrupt sources. */
-	out_be32(&sdma->IntPend, 0xffffffff);	/* 1 means clear pending */
-	out_be32(&sdma->IntMask, 0xffffffff);	/* 1 means disabled */
-	out_be32(&intr->per_mask, 0x7ffffc00);	/* 1 means disabled */
-	out_be32(&intr->main_mask, 0x00010fff);	/* 1 means disabled */
-	intr_ctrl = in_be32(&intr->ctrl);
-	intr_ctrl |= 0x0f000000 |	/* clear IRQ 0-3 */
-	    0x00ff0000 |	/* IRQ 0-3 level sensitive low active */
-	    0x00001000 |	/* MEE master external enable */
-	    0x00000000 |	/* 0 means disable IRQ 0-3 */
-	    0x00000001;		/* CEb route critical normally */
-	out_be32(&intr->ctrl, intr_ctrl);
-
-	/* Zero a bunch of the priority settings.  */
-	out_be32(&intr->per_pri1, 0);
-	out_be32(&intr->per_pri2, 0);
-	out_be32(&intr->per_pri3, 0);
-	out_be32(&intr->main_pri1, 0);
-	out_be32(&intr->main_pri2, 0);
-}
-
-int mpc5xxx_get_irq(struct pt_regs *regs)
-{
-	u32 status;
-	int irq = -1;
-
-	status = in_be32(&intr->enc_status);
-
-	if (status & 0x00000400) {	/* critical */
-		irq = (status >> 8) & 0x3;
-		if (irq == 2)	/* high priority peripheral */
-			goto peripheral;
-		irq += MPC5XXX_CRIT_IRQ_BASE;
-	} else if (status & 0x00200000) {	/* main */
-		irq = (status >> 16) & 0x1f;
-		if (irq == 4)	/* low priority peripheral */
-			goto peripheral;
-		irq += MPC5XXX_MAIN_IRQ_BASE;
-	} else if (status & 0x20000000) {	/* peripheral */
-	      peripheral:
-		irq = (status >> 24) & 0x1f;
-		if (irq == 0) {	/* bestcomm */
-			status = in_be32(&sdma->IntPend);
-			irq = ffs(status) + MPC5XXX_SDMA_IRQ_BASE - 1;
-		} else
-			irq += MPC5XXX_PERP_IRQ_BASE;
-	}
-
-	return irq;
-}
-
-/****************************************************************************/
-
-int interrupt_init_cpu(ulong * decrementer_count)
-{
-	*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
-
-	mpc5xxx_init_irq();
-
-	return (0);
-}
-
-/****************************************************************************/
-
-/*
- * Handle external interrupts
- */
-void external_interrupt(struct pt_regs *regs)
-{
-	int irq, unmask = 1;
-
-	irq = mpc5xxx_get_irq(regs);
-
-	mpc5xxx_ic_disable_and_ack(irq);
-
-	enable_interrupts();
-
-	if (irq_handlers[irq].handler != NULL)
-		(*irq_handlers[irq].handler) (irq_handlers[irq].arg);
-	else {
-		printf("\nBogus External Interrupt IRQ %d\n", irq);
-		/*
-		 * turn off the bogus interrupt, otherwise it
-		 * might repeat forever
-		 */
-		unmask = 0;
-	}
-
-	if (unmask)
-		mpc5xxx_ic_end(irq);
-}
-
-void timer_interrupt_cpu(struct pt_regs *regs)
-{
-	/* nothing to do here */
-	return;
-}
-
-/****************************************************************************/
-
-/*
- * Install and free a interrupt handler.
- */
-
-void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg)
-{
-	if (irq < 0 || irq >= NR_IRQS) {
-		printf("irq_install_handler: bad irq number %d\n", irq);
-		return;
-	}
-
-	if (irq_handlers[irq].handler != NULL)
-		printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
-		       (ulong) handler, (ulong) irq_handlers[irq].handler);
-
-	irq_handlers[irq].handler = handler;
-	irq_handlers[irq].arg = arg;
-
-	mpc5xxx_ic_enable(irq);
-}
-
-void irq_free_handler(int irq)
-{
-	if (irq < 0 || irq >= NR_IRQS) {
-		printf("irq_free_handler: bad irq number %d\n", irq);
-		return;
-	}
-
-	mpc5xxx_ic_disable(irq);
-
-	irq_handlers[irq].handler = NULL;
-	irq_handlers[irq].arg = NULL;
-}
-
-/****************************************************************************/
-
-#if defined(CONFIG_CMD_IRQ)
-void do_irqinfo(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[])
-{
-	int irq, re_enable;
-	u32 intr_ctrl;
-	char *irq_config[] = { "level sensitive, active high",
-		"edge sensitive, rising active edge",
-		"edge sensitive, falling active edge",
-		"level sensitive, active low"
-	};
-
-	re_enable = disable_interrupts();
-
-	intr_ctrl = in_be32(&intr->ctrl);
-	printf("Interrupt configuration:\n");
-
-	for (irq = 0; irq <= 3; irq++) {
-		printf("IRQ%d: %s\n", irq,
-		       irq_config[(intr_ctrl >> (22 - 2 * irq)) & 0x3]);
-	}
-
-	puts("\nInterrupt-Information:\n" "Nr  Routine   Arg       Count\n");
-
-	for (irq = 0; irq < NR_IRQS; irq++)
-		if (irq_handlers[irq].handler != NULL)
-			printf("%02d  %08lx  %08lx  %ld\n", irq,
-			       (ulong) irq_handlers[irq].handler,
-			       (ulong) irq_handlers[irq].arg,
-			       irq_handlers[irq].count);
-
-	if (re_enable)
-		enable_interrupts();
-}
-#endif