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linux-next/arch/powerpc/include/asm/qe_ic.h
Anton Vorontsov be11d3b354 powerpc/qe: Fix few build errors with CONFIG_QUICC_ENGINE=n 
Some 83xx boards were not ready for the optional QUICC Engine support.

This patch fixes following build errors:

arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
(.text+0xb308): undefined reference to `par_io_data_set'
arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
(.text+0xb334): undefined reference to `par_io_data_set'
arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
(.text+0xb408): undefined reference to `qe_ic_get_high_irq'
arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
(.text+0xb478): undefined reference to `qe_ic_get_low_irq'
arch/powerpc/platforms/built-in.o: In function `mpc832x_spi_init':
mpc832x_rdb.c:(.init.text+0x574c): undefined reference to `par_io_config_pin'
mpc832x_rdb.c:(.init.text+0x5768): undefined reference to `par_io_config_pin'
mpc832x_rdb.c:(.init.text+0x5784): undefined reference to `par_io_config_pin'
mpc832x_rdb.c:(.init.text+0x57a0): undefined reference to `par_io_config_pin'
mpc832x_rdb.c:(.init.text+0x57bc): undefined reference to `par_io_config_pin'
arch/powerpc/platforms/built-in.o:mpc832x_rdb.c:(.init.text+0x57d8): more undefined references to `par_io_config_pin' follow
arch/powerpc/platforms/built-in.o: In function `mpc836x_rdk_init_IRQ':
mpc836x_rdk.c:(.init.text+0x5e84): undefined reference to `qe_ic_init'
arch/powerpc/platforms/built-in.o: In function `mpc836x_rdk_setup_arch':
mpc836x_rdk.c:(.init.text+0x5f10): undefined reference to `qe_reset'
make: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-12-30 11:14:06 -06:00

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/*
* Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
*
* Authors: Shlomi Gridish <gridish@freescale.com>
* Li Yang <leoli@freescale.com>
*
* Description:
* QE IC external definitions and structure.
*
* 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.
*/
#ifndef _ASM_POWERPC_QE_IC_H
#define _ASM_POWERPC_QE_IC_H
#include <linux/irq.h>
struct device_node;
struct qe_ic;
#define NUM_OF_QE_IC_GROUPS 6
/* Flags when we init the QE IC */
#define QE_IC_SPREADMODE_GRP_W 0x00000001
#define QE_IC_SPREADMODE_GRP_X 0x00000002
#define QE_IC_SPREADMODE_GRP_Y 0x00000004
#define QE_IC_SPREADMODE_GRP_Z 0x00000008
#define QE_IC_SPREADMODE_GRP_RISCA 0x00000010
#define QE_IC_SPREADMODE_GRP_RISCB 0x00000020
#define QE_IC_LOW_SIGNAL 0x00000100
#define QE_IC_HIGH_SIGNAL 0x00000200
#define QE_IC_GRP_W_PRI0_DEST_SIGNAL_HIGH 0x00001000
#define QE_IC_GRP_W_PRI1_DEST_SIGNAL_HIGH 0x00002000
#define QE_IC_GRP_X_PRI0_DEST_SIGNAL_HIGH 0x00004000
#define QE_IC_GRP_X_PRI1_DEST_SIGNAL_HIGH 0x00008000
#define QE_IC_GRP_Y_PRI0_DEST_SIGNAL_HIGH 0x00010000
#define QE_IC_GRP_Y_PRI1_DEST_SIGNAL_HIGH 0x00020000
#define QE_IC_GRP_Z_PRI0_DEST_SIGNAL_HIGH 0x00040000
#define QE_IC_GRP_Z_PRI1_DEST_SIGNAL_HIGH 0x00080000
#define QE_IC_GRP_RISCA_PRI0_DEST_SIGNAL_HIGH 0x00100000
#define QE_IC_GRP_RISCA_PRI1_DEST_SIGNAL_HIGH 0x00200000
#define QE_IC_GRP_RISCB_PRI0_DEST_SIGNAL_HIGH 0x00400000
#define QE_IC_GRP_RISCB_PRI1_DEST_SIGNAL_HIGH 0x00800000
#define QE_IC_GRP_W_DEST_SIGNAL_SHIFT (12)
/* QE interrupt sources groups */
enum qe_ic_grp_id {
QE_IC_GRP_W = 0, /* QE interrupt controller group W */
QE_IC_GRP_X, /* QE interrupt controller group X */
QE_IC_GRP_Y, /* QE interrupt controller group Y */
QE_IC_GRP_Z, /* QE interrupt controller group Z */
QE_IC_GRP_RISCA, /* QE interrupt controller RISC group A */
QE_IC_GRP_RISCB /* QE interrupt controller RISC group B */
};
#ifdef CONFIG_QUICC_ENGINE
void qe_ic_init(struct device_node *node, unsigned int flags,
void (*low_handler)(unsigned int irq, struct irq_desc *desc),
void (*high_handler)(unsigned int irq, struct irq_desc *desc));
unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
#else
static inline void qe_ic_init(struct device_node *node, unsigned int flags,
void (*low_handler)(unsigned int irq, struct irq_desc *desc),
void (*high_handler)(unsigned int irq, struct irq_desc *desc))
{}
static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
{ return 0; }
static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
{ return 0; }
#endif /* CONFIG_QUICC_ENGINE */
void qe_ic_set_highest_priority(unsigned int virq, int high);
int qe_ic_set_priority(unsigned int virq, unsigned int priority);
int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
static inline void qe_ic_cascade_low_ipic(unsigned int irq,
struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
}
static inline void qe_ic_cascade_high_ipic(unsigned int irq,
struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
}
static inline void qe_ic_cascade_low_mpic(unsigned int irq,
struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
desc->chip->eoi(irq);
}
static inline void qe_ic_cascade_high_mpic(unsigned int irq,
struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
desc->chip->eoi(irq);
}
static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
unsigned int cascade_irq;
cascade_irq = qe_ic_get_high_irq(qe_ic);
if (cascade_irq == NO_IRQ)
cascade_irq = qe_ic_get_low_irq(qe_ic);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
desc->chip->eoi(irq);
}
#endif /* _ASM_POWERPC_QE_IC_H */
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