f6fb7af476
This makes the code better organized and simplified a bit. The change
will lose a bit of performance when performing IRQ ack/mask/unmask,but
that's not too much after checking the result binary.
This patch also removes the ugly #ifdef CONFIG_PXA27x .. #endif by
carefully not to access those pxa{27x,3xx} specific registers, this
is done by keeping an internal IRQ number variable. The pxa-regs.h
is also modified so registers for IRQ > PXA_IRQ(31) are made public
even if CONFIG_PXA{27x,3xx} isn't defined (for pxa25x's sake)
The incorrect assumption in the original code that internal irq starts
from 0 is also corrected by comparing with PXA_IRQ(0).
"struct sys_device" for the IRQ are reduced into one single device on
pxa{27x,3xx}.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* linux/arch/arm/mach-pxa/generic.h
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*
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* Author: Nicolas Pitre
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* Copyright: MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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struct sys_timer;
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extern struct sys_timer pxa_timer;
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extern void __init pxa_init_irq(int irq_nr);
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extern void __init pxa_init_irq_gpio(int gpio_nr);
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extern void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int));
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extern void __init pxa_init_gpio_set_wake(int (*set_wake)(unsigned int, unsigned int));
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extern void __init pxa_init_gpio(int gpio_nr);
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extern void __init pxa25x_init_irq(void);
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extern void __init pxa27x_init_irq(void);
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extern void __init pxa3xx_init_irq(void);
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extern void __init pxa_map_io(void);
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extern unsigned int get_clk_frequency_khz(int info);
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extern int pxa_last_gpio;
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#define SET_BANK(__nr,__start,__size) \
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mi->bank[__nr].start = (__start), \
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mi->bank[__nr].size = (__size), \
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mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
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#ifdef CONFIG_PXA25x
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extern unsigned pxa25x_get_clk_frequency_khz(int);
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extern unsigned pxa25x_get_memclk_frequency_10khz(void);
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#else
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#define pxa25x_get_clk_frequency_khz(x) (0)
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#define pxa25x_get_memclk_frequency_10khz() (0)
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#endif
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#ifdef CONFIG_PXA27x
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extern unsigned pxa27x_get_clk_frequency_khz(int);
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extern unsigned pxa27x_get_memclk_frequency_10khz(void);
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#else
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#define pxa27x_get_clk_frequency_khz(x) (0)
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#define pxa27x_get_memclk_frequency_10khz() (0)
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#endif
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#ifdef CONFIG_PXA3xx
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extern unsigned pxa3xx_get_clk_frequency_khz(int);
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extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
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#else
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#define pxa3xx_get_clk_frequency_khz(x) (0)
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#define pxa3xx_get_memclk_frequency_10khz() (0)
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#endif
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extern struct sysdev_class pxa_irq_sysclass;
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extern struct sysdev_class pxa_gpio_sysclass;
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