Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 319 deletions

diff --git a/ANDROID_3.4.5/arch/powerpc/platforms/wsp/opb_pic.c b/ANDROID_3.4.5/arch/powerpc/platforms/wsp/opb_pic.c
deleted file mode 100644
index cb565bf9..00000000
--- a/ANDROID_3.4.5/arch/powerpc/platforms/wsp/opb_pic.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- * IBM Onboard Peripheral Bus Interrupt Controller
- *
- * Copyright 2010 Jack Miller, IBM Corporation.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/of.h>
-#include <linux/slab.h>
-#include <linux/time.h>
-
-#include <asm/reg_a2.h>
-#include <asm/irq.h>
-
-#define OPB_NR_IRQS 32
-
-#define OPB_MLSASIER	0x04    /* MLS Accumulated Status IER */
-#define OPB_MLSIR	0x50	/* MLS Interrupt Register */
-#define OPB_MLSIER	0x54	/* MLS Interrupt Enable Register */
-#define OPB_MLSIPR	0x58	/* MLS Interrupt Polarity Register */
-#define OPB_MLSIIR	0x5c	/* MLS Interrupt Inputs Register */
-
-static int opb_index = 0;
-
-struct opb_pic {
-	struct irq_domain *host;
-	void *regs;
-	int index;
-	spinlock_t lock;
-};
-
-static u32 opb_in(struct opb_pic *opb, int offset)
-{
-	return in_be32(opb->regs + offset);
-}
-
-static void opb_out(struct opb_pic *opb, int offset, u32 val)
-{
-	out_be32(opb->regs + offset, val);
-}
-
-static void opb_unmask_irq(struct irq_data *d)
-{
-	struct opb_pic *opb;
-	unsigned long flags;
-	u32 ier, bitset;
-
-	opb = d->chip_data;
-	bitset = (1 << (31 - irqd_to_hwirq(d)));
-
-	spin_lock_irqsave(&opb->lock, flags);
-
-	ier = opb_in(opb, OPB_MLSIER);
-	opb_out(opb, OPB_MLSIER, ier | bitset);
-	ier = opb_in(opb, OPB_MLSIER);
-
-	spin_unlock_irqrestore(&opb->lock, flags);
-}
-
-static void opb_mask_irq(struct irq_data *d)
-{
-	struct opb_pic *opb;
-	unsigned long flags;
-	u32 ier, mask;
-
-	opb = d->chip_data;
-	mask = ~(1 << (31 - irqd_to_hwirq(d)));
-
-	spin_lock_irqsave(&opb->lock, flags);
-
-	ier = opb_in(opb, OPB_MLSIER);
-	opb_out(opb, OPB_MLSIER, ier & mask);
-	ier = opb_in(opb, OPB_MLSIER); // Flush posted writes
-
-	spin_unlock_irqrestore(&opb->lock, flags);
-}
-
-static void opb_ack_irq(struct irq_data *d)
-{
-	struct opb_pic *opb;
-	unsigned long flags;
-	u32 bitset;
-
-	opb = d->chip_data;
-	bitset = (1 << (31 - irqd_to_hwirq(d)));
-
-	spin_lock_irqsave(&opb->lock, flags);
-
-	opb_out(opb, OPB_MLSIR, bitset);
-	opb_in(opb, OPB_MLSIR); // Flush posted writes
-
-	spin_unlock_irqrestore(&opb->lock, flags);
-}
-
-static void opb_mask_ack_irq(struct irq_data *d)
-{
-	struct opb_pic *opb;
-	unsigned long flags;
-	u32 bitset;
-	u32 ier, ir;
-
-	opb = d->chip_data;
-	bitset = (1 << (31 - irqd_to_hwirq(d)));
-
-	spin_lock_irqsave(&opb->lock, flags);
-
-	ier = opb_in(opb, OPB_MLSIER);
-	opb_out(opb, OPB_MLSIER, ier & ~bitset);
-	ier = opb_in(opb, OPB_MLSIER); // Flush posted writes
-
-	opb_out(opb, OPB_MLSIR, bitset);
-	ir = opb_in(opb, OPB_MLSIR); // Flush posted writes
-
-	spin_unlock_irqrestore(&opb->lock, flags);
-}
-
-static int opb_set_irq_type(struct irq_data *d, unsigned int flow)
-{
-	struct opb_pic *opb;
-	unsigned long flags;
-	int invert, ipr, mask, bit;
-
-	opb = d->chip_data;
-
-	/* The only information we're interested in in the type is whether it's
-	 * a high or low trigger. For high triggered interrupts, the polarity
-	 * set for it in the MLS Interrupt Polarity Register is 0, for low
-	 * interrupts it's 1 so that the proper input in the MLS Interrupt Input
-	 * Register is interrupted as asserting the interrupt. */
-
-	switch (flow) {
-		case IRQ_TYPE_NONE:
-			opb_mask_irq(d);
-			return 0;
-
-		case IRQ_TYPE_LEVEL_HIGH:
-			invert = 0;
-			break;
-
-		case IRQ_TYPE_LEVEL_LOW:
-			invert = 1;
-			break;
-
-		default:
-			return -EINVAL;
-	}
-
-	bit = (1 << (31 - irqd_to_hwirq(d)));
-	mask = ~bit;
-
-	spin_lock_irqsave(&opb->lock, flags);
-
-	ipr = opb_in(opb, OPB_MLSIPR);
-	ipr = (ipr & mask) | (invert ? bit : 0);
-	opb_out(opb, OPB_MLSIPR, ipr);
-	ipr = opb_in(opb, OPB_MLSIPR);  // Flush posted writes
-
-	spin_unlock_irqrestore(&opb->lock, flags);
-
-	/* Record the type in the interrupt descriptor */
-	irqd_set_trigger_type(d, flow);
-
-	return 0;
-}
-
-static struct irq_chip opb_irq_chip = {
-	.name		= "OPB",
-	.irq_mask	= opb_mask_irq,
-	.irq_unmask	= opb_unmask_irq,
-	.irq_mask_ack	= opb_mask_ack_irq,
-	.irq_ack	= opb_ack_irq,
-	.irq_set_type	= opb_set_irq_type
-};
-
-static int opb_host_map(struct irq_domain *host, unsigned int virq,
-		irq_hw_number_t hwirq)
-{
-	struct opb_pic *opb;
-
-	opb = host->host_data;
-
-	/* Most of the important stuff is handled by the generic host code, like
-	 * the lookup, so just attach some info to the virtual irq */
-
-	irq_set_chip_data(virq, opb);
-	irq_set_chip_and_handler(virq, &opb_irq_chip, handle_level_irq);
-	irq_set_irq_type(virq, IRQ_TYPE_NONE);
-
-	return 0;
-}
-
-static const struct irq_domain_ops opb_host_ops = {
-	.map = opb_host_map,
-	.xlate = irq_domain_xlate_twocell,
-};
-
-irqreturn_t opb_irq_handler(int irq, void *private)
-{
-	struct opb_pic *opb;
-	u32 ir, src, subvirq;
-
-	opb = (struct opb_pic *) private;
-
-	/* Read the OPB MLS Interrupt Register for
-	 * asserted interrupts */
-	ir = opb_in(opb, OPB_MLSIR);
-	if (!ir)
-		return IRQ_NONE;
-
-	do {
-		/* Get 1 - 32 source, *NOT* bit */
-		src = 32 - ffs(ir);
-
-		/* Translate from the OPB's conception of interrupt number to
-		 * Linux's virtual IRQ */
-
-		subvirq = irq_linear_revmap(opb->host, src);
-
-		generic_handle_irq(subvirq);
-	} while ((ir = opb_in(opb, OPB_MLSIR)));
-
-	return IRQ_HANDLED;
-}
-
-struct opb_pic *opb_pic_init_one(struct device_node *dn)
-{
-	struct opb_pic *opb;
-	struct resource res;
-
-	if (of_address_to_resource(dn, 0, &res)) {
-		printk(KERN_ERR "opb: Couldn't translate resource\n");
-		return  NULL;
-	}
-
-	opb = kzalloc(sizeof(struct opb_pic), GFP_KERNEL);
-	if (!opb) {
-		printk(KERN_ERR "opb: Failed to allocate opb struct!\n");
-		return NULL;
-	}
-
-	/* Get access to the OPB MMIO registers */
-	opb->regs = ioremap(res.start + 0x10000, 0x1000);
-	if (!opb->regs) {
-		printk(KERN_ERR "opb: Failed to allocate register space!\n");
-		goto free_opb;
-	}
-
-	/* Allocate an irq domain so that Linux knows that despite only
-	 * having one interrupt to issue, we're the controller for multiple
-	 * hardware IRQs, so later we can lookup their virtual IRQs. */
-
-	opb->host = irq_domain_add_linear(dn, OPB_NR_IRQS, &opb_host_ops, opb);
-	if (!opb->host) {
-		printk(KERN_ERR "opb: Failed to allocate IRQ host!\n");
-		goto free_regs;
-	}
-
-	opb->index = opb_index++;
-	spin_lock_init(&opb->lock);
-
-	/* Disable all interrupts by default */
-	opb_out(opb, OPB_MLSASIER, 0);
-	opb_out(opb, OPB_MLSIER, 0);
-
-	/* ACK any interrupts left by FW */
-	opb_out(opb, OPB_MLSIR, 0xFFFFFFFF);
-
-	return opb;
-
-free_regs:
-	iounmap(opb->regs);
-free_opb:
-	kfree(opb);
-	return NULL;
-}
-
-void __init opb_pic_init(void)
-{
-	struct device_node *dn;
-	struct opb_pic *opb;
-	int virq;
-	int rc;
-
-	/* Call init_one for each OPB device */
-	for_each_compatible_node(dn, NULL, "ibm,opb") {
-
-		/* Fill in an OPB struct */
-		opb = opb_pic_init_one(dn);
-		if (!opb) {
-			printk(KERN_WARNING "opb: Failed to init node, skipped!\n");
-			continue;
-		}
-
-		/* Map / get opb's hardware virtual irq */
-		virq = irq_of_parse_and_map(dn, 0);
-		if (virq <= 0) {
-			printk("opb: irq_op_parse_and_map failed!\n");
-			continue;
-		}
-
-		/* Attach opb interrupt handler to new virtual IRQ */
-		rc = request_irq(virq, opb_irq_handler, IRQF_NO_THREAD,
-				 "OPB LS Cascade", opb);
-		if (rc) {
-			printk("opb: request_irq failed: %d\n", rc);
-			continue;
-		}
-
-		printk("OPB%d init with %d IRQs at %p\n", opb->index,
-				OPB_NR_IRQS, opb->regs);
-	}
-}