powerpc/8xx: Move mpc8xx_pic.c from sysdev to platform/8xx

mpc8xx_pic.c is dedicated to the 8xx, so move it to platform/8xx

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

3 files changed, 0 insertions, 183 deletions

diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index ff80780a2568..79416fa2e3ba 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -45,7 +45,6 @@ obj-$(CONFIG_CPM1)		+= cpm1.o
 obj-$(CONFIG_CPM2)		+= cpm2.o cpm2_pic.o
 obj-$(CONFIG_QUICC_ENGINE)	+= cpm_common.o
 obj-$(CONFIG_PPC_DCR)		+= dcr.o
-obj-$(CONFIG_PPC_8xx)		+= mpc8xx_pic.o
 obj-$(CONFIG_UCODE_PATCH)	+= micropatch.o
 
 obj-$(CONFIG_PPC_MPC512x)	+= mpc5xxx_clocks.o
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
deleted file mode 100644
index 2842f9d63d21..000000000000
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ /dev/null
@@ -1,163 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/irq.h>
-#include <linux/dma-mapping.h>
-#include <asm/prom.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/8xx_immap.h>
-
-#include "mpc8xx_pic.h"
-
-
-#define PIC_VEC_SPURRIOUS      15
-
-extern int cpm_get_irq(struct pt_regs *regs);
-
-static struct irq_domain *mpc8xx_pic_host;
-static unsigned long mpc8xx_cached_irq_mask;
-static sysconf8xx_t __iomem *siu_reg;
-
-static inline unsigned long mpc8xx_irqd_to_bit(struct irq_data *d)
-{
-	return 0x80000000 >> irqd_to_hwirq(d);
-}
-
-static void mpc8xx_unmask_irq(struct irq_data *d)
-{
-	mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
-	out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
-}
-
-static void mpc8xx_mask_irq(struct irq_data *d)
-{
-	mpc8xx_cached_irq_mask &= ~mpc8xx_irqd_to_bit(d);
-	out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
-}
-
-static void mpc8xx_ack(struct irq_data *d)
-{
-	out_be32(&siu_reg->sc_sipend, mpc8xx_irqd_to_bit(d));
-}
-
-static void mpc8xx_end_irq(struct irq_data *d)
-{
-	mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
-	out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
-}
-
-static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type)
-{
-	/* only external IRQ senses are programmable */
-	if ((flow_type & IRQ_TYPE_EDGE_FALLING) && !(irqd_to_hwirq(d) & 1)) {
-		unsigned int siel = in_be32(&siu_reg->sc_siel);
-		siel |= mpc8xx_irqd_to_bit(d);
-		out_be32(&siu_reg->sc_siel, siel);
-		irq_set_handler_locked(d, handle_edge_irq);
-	}
-	return 0;
-}
-
-static struct irq_chip mpc8xx_pic = {
-	.name = "8XX SIU",
-	.irq_unmask = mpc8xx_unmask_irq,
-	.irq_mask = mpc8xx_mask_irq,
-	.irq_ack = mpc8xx_ack,
-	.irq_eoi = mpc8xx_end_irq,
-	.irq_set_type = mpc8xx_set_irq_type,
-};
-
-unsigned int mpc8xx_get_irq(void)
-{
-	int irq;
-
-	/* For MPC8xx, read the SIVEC register and shift the bits down
-	 * to get the irq number.
-	 */
-	irq = in_be32(&siu_reg->sc_sivec) >> 26;
-
-	if (irq == PIC_VEC_SPURRIOUS)
-		return 0;
-
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
-
-}
-
-static int mpc8xx_pic_host_map(struct irq_domain *h, unsigned int virq,
-			  irq_hw_number_t hw)
-{
-	pr_debug("mpc8xx_pic_host_map(%d, 0x%lx)\n", virq, hw);
-
-	/* Set default irq handle */
-	irq_set_chip_and_handler(virq, &mpc8xx_pic, handle_level_irq);
-	return 0;
-}
-
-
-static int mpc8xx_pic_host_xlate(struct irq_domain *h, struct device_node *ct,
-			    const u32 *intspec, unsigned int intsize,
-			    irq_hw_number_t *out_hwirq, unsigned int *out_flags)
-{
-	static unsigned char map_pic_senses[4] = {
-		IRQ_TYPE_EDGE_RISING,
-		IRQ_TYPE_LEVEL_LOW,
-		IRQ_TYPE_LEVEL_HIGH,
-		IRQ_TYPE_EDGE_FALLING,
-	};
-
-	if (intspec[0] > 0x1f)
-		return 0;
-
-	*out_hwirq = intspec[0];
-	if (intsize > 1 && intspec[1] < 4)
-		*out_flags = map_pic_senses[intspec[1]];
-	else
-		*out_flags = IRQ_TYPE_NONE;
-
-	return 0;
-}
-
-
-static const struct irq_domain_ops mpc8xx_pic_host_ops = {
-	.map = mpc8xx_pic_host_map,
-	.xlate = mpc8xx_pic_host_xlate,
-};
-
-int mpc8xx_pic_init(void)
-{
-	struct resource res;
-	struct device_node *np;
-	int ret;
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,pq1-pic");
-	if (np == NULL)
-		np = of_find_node_by_type(NULL, "mpc8xx-pic");
-	if (np == NULL) {
-		printk(KERN_ERR "Could not find fsl,pq1-pic node\n");
-		return -ENOMEM;
-	}
-
-	ret = of_address_to_resource(np, 0, &res);
-	if (ret)
-		goto out;
-
-	siu_reg = ioremap(res.start, resource_size(&res));
-	if (siu_reg == NULL) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	mpc8xx_pic_host = irq_domain_add_linear(np, 64, &mpc8xx_pic_host_ops, NULL);
-	if (mpc8xx_pic_host == NULL) {
-		printk(KERN_ERR "MPC8xx PIC: failed to allocate irq host!\n");
-		ret = -ENOMEM;
-		goto out;
-	}
-	return 0;
-
-out:
-	of_node_put(np);
-	return ret;
-}
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.h b/arch/powerpc/sysdev/mpc8xx_pic.h
deleted file mode 100644
index 9fe00eebdc8b..000000000000
--- a/arch/powerpc/sysdev/mpc8xx_pic.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#ifndef _PPC_KERNEL_MPC8xx_H
-#define _PPC_KERNEL_MPC8xx_H
-
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-
-int mpc8xx_pic_init(void);
-unsigned int mpc8xx_get_irq(void);
-
-/*
- * Some internal interrupt registers use an 8-bit mask for the interrupt
- * level instead of a number.
- */
-static inline uint mk_int_int_mask(uint mask)
-{
-	return (1 << (7 - (mask/2)));
-}
-
-#endif /* _PPC_KERNEL_PPC8xx_H */