[POWERPC] celleb: Move miscellaneous files for Beat

This moves miscellaneous files for Beat into platforms/cell/.
All files in this patch are used by celleb-beat only.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 283 deletions

diff --git a/arch/powerpc/platforms/celleb/interrupt.c b/arch/powerpc/platforms/celleb/interrupt.c
deleted file mode 100644
index bb7bdad95e4c..000000000000
--- a/arch/powerpc/platforms/celleb/interrupt.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Celleb/Beat Interrupt controller
- *
- * (C) Copyright 2006-2007 TOSHIBA 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/percpu.h>
-#include <linux/types.h>
-
-#include <asm/machdep.h>
-
-#include "interrupt.h"
-#include "../cell/beat_wrapper.h"
-
-#define MAX_IRQS        NR_IRQS
-static DEFINE_SPINLOCK(beatic_irq_mask_lock);
-static uint64_t beatic_irq_mask_enable[(MAX_IRQS+255)/64];
-static uint64_t beatic_irq_mask_ack[(MAX_IRQS+255)/64];
-
-static struct irq_host *beatic_host;
-
-/*
- * In this implementation, "virq" == "IRQ plug number",
- * "(irq_hw_number_t)hwirq" == "IRQ outlet number".
- */
-
-/* assumption: locked */
-static inline void beatic_update_irq_mask(unsigned int irq_plug)
-{
-        int off;
-        unsigned long masks[4];
-
-        off = (irq_plug / 256) * 4;
-        masks[0] = beatic_irq_mask_enable[off + 0]
-                & beatic_irq_mask_ack[off + 0];
-        masks[1] = beatic_irq_mask_enable[off + 1]
-                & beatic_irq_mask_ack[off + 1];
-        masks[2] = beatic_irq_mask_enable[off + 2]
-                & beatic_irq_mask_ack[off + 2];
-        masks[3] = beatic_irq_mask_enable[off + 3]
-                & beatic_irq_mask_ack[off + 3];
-        if (beat_set_interrupt_mask(irq_plug&~255UL,
-                masks[0], masks[1], masks[2], masks[3]) != 0)
-                panic("Failed to set mask IRQ!");
-}
-
-static void beatic_mask_irq(unsigned int irq_plug)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-        beatic_irq_mask_enable[irq_plug/64] &= ~(1UL << (63 - (irq_plug%64)));
-        beatic_update_irq_mask(irq_plug);
-        spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
-}
-
-static void beatic_unmask_irq(unsigned int irq_plug)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-        beatic_irq_mask_enable[irq_plug/64] |= 1UL << (63 - (irq_plug%64));
-        beatic_update_irq_mask(irq_plug);
-        spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
-}
-
-static void beatic_ack_irq(unsigned int irq_plug)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-        beatic_irq_mask_ack[irq_plug/64] &= ~(1UL << (63 - (irq_plug%64)));
-        beatic_update_irq_mask(irq_plug);
-        spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
-}
-
-static void beatic_end_irq(unsigned int irq_plug)
-{
-        s64 err;
-        unsigned long flags;
-
-        err = beat_downcount_of_interrupt(irq_plug);
-        if (err != 0) {
-                if ((err & 0xFFFFFFFF) != 0xFFFFFFF5) /* -11: wrong state */
-                        panic("Failed to downcount IRQ! Error = %16lx", err);
-
-                printk(KERN_ERR "IRQ over-downcounted, plug %d\n", irq_plug);
-        }
-        spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-        beatic_irq_mask_ack[irq_plug/64] |= 1UL << (63 - (irq_plug%64));
-        beatic_update_irq_mask(irq_plug);
-        spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
-}
-
-static struct irq_chip beatic_pic = {
-        .typename = " CELL-BEAT ",
-        .unmask = beatic_unmask_irq,
-        .mask = beatic_mask_irq,
-        .eoi = beatic_end_irq,
-};
-
-/*
- * Dispose binding hardware IRQ number (hw) and Virtuql IRQ number (virq),
- * update flags.
- *
- * Note that the number (virq) is already assigned at upper layer.
- */
-static void beatic_pic_host_unmap(struct irq_host *h, unsigned int virq)
-{
-        beat_destruct_irq_plug(virq);
-}
-
-/*
- * Create or update binding hardware IRQ number (hw) and Virtuql
- * IRQ number (virq). This is called only once for a given mapping.
- *
- * Note that the number (virq) is already assigned at upper layer.
- */
-static int beatic_pic_host_map(struct irq_host *h, unsigned int virq,
-                               irq_hw_number_t hw)
-{
-        struct irq_desc *desc = get_irq_desc(virq);
-        int64_t err;
-
-        err = beat_construct_and_connect_irq_plug(virq, hw);
-        if (err < 0)
-                return -EIO;
-
-        desc->status |= IRQ_LEVEL;
-        set_irq_chip_and_handler(virq, &beatic_pic, handle_fasteoi_irq);
-        return 0;
-}
-
-/*
- * Update binding hardware IRQ number (hw) and Virtuql
- * IRQ number (virq). This is called only once for a given mapping.
- */
-static void beatic_pic_host_remap(struct irq_host *h, unsigned int virq,
-                               irq_hw_number_t hw)
-{
-        beat_construct_and_connect_irq_plug(virq, hw);
-}
-
-/*
- * Translate device-tree interrupt spec to irq_hw_number_t style (ulong),
- * to pass away to irq_create_mapping().
- *
- * Called from irq_create_of_mapping() only.
- * Note: We have only 1 entry to translate.
- */
-static int beatic_pic_host_xlate(struct irq_host *h, struct device_node *ct,
-                                 u32 *intspec, unsigned int intsize,
-                                 irq_hw_number_t *out_hwirq,
-                                 unsigned int *out_flags)
-{
-        u64 *intspec2 = (u64 *)intspec;
-
-        *out_hwirq = *intspec2;
-        *out_flags |= IRQ_TYPE_LEVEL_LOW;
-        return 0;
-}
-
-static int beatic_pic_host_match(struct irq_host *h, struct device_node *np)
-{
-        /* Match all */
-        return 1;
-}
-
-static struct irq_host_ops beatic_pic_host_ops = {
-        .map = beatic_pic_host_map,
-        .remap = beatic_pic_host_remap,
-        .unmap = beatic_pic_host_unmap,
-        .xlate = beatic_pic_host_xlate,
-        .match = beatic_pic_host_match,
-};
-
-/*
- * Get an IRQ number
- * Note: returns VIRQ
- */
-static inline unsigned int beatic_get_irq_plug(void)
-{
-        int i;
-        uint64_t        pending[4], ub;
-
-        for (i = 0; i < MAX_IRQS; i += 256) {
-                beat_detect_pending_interrupts(i, pending);
-                __asm__ ("cntlzd %0,%1":"=r"(ub):
-                        "r"(pending[0] & beatic_irq_mask_enable[i/64+0]
-                                       & beatic_irq_mask_ack[i/64+0]));
-                if (ub != 64)
-                        return i + ub + 0;
-                __asm__ ("cntlzd %0,%1":"=r"(ub):
-                        "r"(pending[1] & beatic_irq_mask_enable[i/64+1]
-                                       & beatic_irq_mask_ack[i/64+1]));
-                if (ub != 64)
-                        return i + ub + 64;
-                __asm__ ("cntlzd %0,%1":"=r"(ub):
-                        "r"(pending[2] & beatic_irq_mask_enable[i/64+2]
-                                       & beatic_irq_mask_ack[i/64+2]));
-                if (ub != 64)
-                        return i + ub + 128;
-                __asm__ ("cntlzd %0,%1":"=r"(ub):
-                        "r"(pending[3] & beatic_irq_mask_enable[i/64+3]
-                                       & beatic_irq_mask_ack[i/64+3]));
-                if (ub != 64)
-                        return i + ub + 192;
-        }
-
-        return NO_IRQ;
-}
-unsigned int beatic_get_irq(void)
-{
-        unsigned int ret;
-
-        ret = beatic_get_irq_plug();
-        if (ret != NO_IRQ)
-                beatic_ack_irq(ret);
-        return ret;
-}
-
-/*
- */
-void __init beatic_init_IRQ(void)
-{
-        int     i;
-
-        memset(beatic_irq_mask_enable, 0, sizeof(beatic_irq_mask_enable));
-        memset(beatic_irq_mask_ack, 255, sizeof(beatic_irq_mask_ack));
-        for (i = 0; i < MAX_IRQS; i += 256)
-                beat_set_interrupt_mask(i, 0L, 0L, 0L, 0L);
-
-        /* Set out get_irq function */
-        ppc_md.get_irq = beatic_get_irq;
-
-        /* Allocate an irq host */
-        beatic_host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0,
-                                     &beatic_pic_host_ops,
-                                         0);
-        BUG_ON(beatic_host == NULL);
-        irq_set_default_host(beatic_host);
-}
-
-#ifdef CONFIG_SMP
-
-/* Nullified to compile with SMP mode */
-void beatic_setup_cpu(int cpu)
-{
-}
-
-void beatic_cause_IPI(int cpu, int mesg)
-{
-}
-
-void beatic_request_IPIs(void)
-{
-}
-#endif /* CONFIG_SMP */
-
-void beatic_deinit_IRQ(void)
-{
-        int     i;
-
-        for (i = 1; i < NR_IRQS; i++)
-                beat_destruct_irq_plug(i);
-}