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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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cc155c6f2c
For some platforms, it is inappropriate to register all PXA UARTs. In some cases, the UARTs may not be used, and in others we may want to avoid registering the UARTs to allow other drivers (eg, FICP) to make use of the UART. In addition, a while back there was a request to be able to pass platform data to the UART driver. This patch enables all of this by providing functions platforms can call to register each individual UART. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
75 lines
2.3 KiB
C
75 lines
2.3 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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int (*set_wake)(unsigned int, unsigned int));
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extern void __init pxa25x_init_irq(void);
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#ifdef CONFIG_CPU_PXA26x
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extern void __init pxa26x_init_irq(void);
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#endif
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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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#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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#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
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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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#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
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extern void pxa2xx_clear_reset_status(unsigned int);
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#else
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static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
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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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extern void pxa3xx_clear_reset_status(unsigned int);
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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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static inline void pxa3xx_clear_reset_status(unsigned int mask) {}
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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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extern struct sysdev_class pxa2xx_mfp_sysclass;
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extern struct sysdev_class pxa3xx_mfp_sysclass;
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void __init pxa_set_ffuart_info(void *info);
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void __init pxa_set_btuart_info(void *info);
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void __init pxa_set_stuart_info(void *info);
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void __init pxa_set_hwuart_info(void *info);
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