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arm: pxa: move init functions into generic.h

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In order to have a unique .c file for all pxa variants device-tree
definitions, all the initialization functions for MACHINE_START and
DT_MACHINE_START have been put together into generic.h.

The alternative would have been one pxaXXX-dt.c file per variant.

The move is necessary because each include/mach/pxaXXX.h includes the
variant register descriptions which intersects and conflicts one with
each other.

The change is a preparation for pxa-dt.c to support multiple pxa,
ie. pxa3xx and pxa27x.

The machine files including mach/pxaXXX.h all include generic.h, which
guarantees no regression should be introduced.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Robert Jarzmik 2014-09-28 13:59:41 +02:00
parent ef6dbda600
commit 4508f77517
4 changed files with 44 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
arch/arm/mach-pxa/generic.h
View File

@ -13,11 +13,11 @@
struct irq_data;
extern void pxa_timer_init(void);
extern void __init pxa_map_io(void);
extern unsigned int get_clk_frequency_khz(int info);
extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *,
unsigned int));
extern void __init pxa_map_io(void);
extern void pxa_timer_init(void);
#define SET_BANK(__nr,__start,__size) \
mi->bank[__nr].start = (__start), \
@ -25,29 +25,21 @@ extern unsigned int get_clk_frequency_khz(int info);
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
#ifdef CONFIG_PXA25x
extern unsigned pxa25x_get_clk_frequency_khz(int);
#else
#define pxa25x_get_clk_frequency_khz(x) (0)
#endif
#define pxa25x_handle_irq icip_handle_irq
extern void __init pxa25x_init_irq(void);
extern void __init pxa25x_map_io(void);
extern void __init pxa26x_init_irq(void);
#ifdef CONFIG_PXA27x
#define pxa27x_handle_irq ichp_handle_irq
extern void __init pxa27x_dt_init_irq(void);
extern unsigned pxa27x_get_clk_frequency_khz(int);
#else
#define pxa27x_get_clk_frequency_khz(x) (0)
#endif
extern void __init pxa27x_init_irq(void);
extern void __init pxa27x_map_io(void);
#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
extern void pxa2xx_clear_reset_status(unsigned int);
#else
static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
#endif
#ifdef CONFIG_PXA3xx
extern unsigned pxa3xx_get_clk_frequency_khz(int);
#else
#define pxa3xx_get_clk_frequency_khz(x) (0)
#endif
#define pxa3xx_handle_irq ichp_handle_irq
extern void __init pxa3xx_dt_init_irq(void);
extern void __init pxa3xx_init_irq(void);
extern void __init pxa3xx_map_io(void);
extern struct syscore_ops pxa_irq_syscore_ops;
extern struct syscore_ops pxa2xx_mfp_syscore_ops;
@ -59,3 +51,30 @@ void __init pxa_set_stuart_info(void *info);
void __init pxa_set_hwuart_info(void *info);
void pxa_restart(enum reboot_mode, const char *);
#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
extern void pxa2xx_clear_reset_status(unsigned int);
#else
static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
#endif
/*
* Once fully converted to the clock framework, all these functions should be
* removed, and replaced with a clk_get(NULL, "core").
*/
#ifdef CONFIG_PXA25x
extern unsigned pxa25x_get_clk_frequency_khz(int);
#else
#define pxa25x_get_clk_frequency_khz(x) (0)
#endif
#ifdef CONFIG_PXA27x
#else
#define pxa27x_get_clk_frequency_khz(x) (0)
#endif
#ifdef CONFIG_PXA3xx
extern unsigned pxa3xx_get_clk_frequency_khz(int);
#else
#define pxa3xx_get_clk_frequency_khz(x) (0)
#endif

8
arch/arm/mach-pxa/include/mach/pxa25x.h
View File

@ -6,12 +6,4 @@
#include <mach/mfp-pxa25x.h>
#include <mach/irqs.h>
extern void __init pxa25x_map_io(void);
extern void __init pxa25x_init_irq(void);
#ifdef CONFIG_CPU_PXA26x
extern void __init pxa26x_init_irq(void);
#endif
#define pxa25x_handle_irq icip_handle_irq
#endif /* __MACH_PXA25x_H */

4
arch/arm/mach-pxa/include/mach/pxa27x.h
View File

@ -19,11 +19,7 @@
#define ARB_CORE_PARK (1<<24) /* Be parked with core when idle */
#define ARB_LOCK_FLAG (1<<23) /* Only Locking masters gain access to the bus */
extern void __init pxa27x_map_io(void);
extern void __init pxa27x_init_irq(void);
extern int __init pxa27x_set_pwrmode(unsigned int mode);
extern void pxa27x_cpu_pm_enter(suspend_state_t state);
#define pxa27x_handle_irq ichp_handle_irq
#endif /* __MACH_PXA27x_H */

5
arch/arm/mach-pxa/include/mach/pxa3xx.h
View File

@ -5,9 +5,4 @@
#include <mach/pxa3xx-regs.h>
#include <mach/irqs.h>
extern void __init pxa3xx_map_io(void);
extern void __init pxa3xx_init_irq(void);
#define pxa3xx_handle_irq ichp_handle_irq
#endif /* __MACH_PXA3XX_H */