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[POWERPC] Add common clock setting routine mpc52xx_psc_set_clkdiv()

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PSC drivers should not access the CDM registers directly.  Instead provide
a common routine for setting the PSC clock parameters with the required
locking.

Signed-off-by: Grant Likely <[email protected]>
This commit is contained in:
Grant Likely 2008-01-24 22:25:31 -07:00
commit c8004a2818
6 changed files with 114 additions and 15 deletions
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9
include/asm-powerpc/mpc52xx.h
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@ -248,13 +248,19 @@ struct mpc52xx_cdm {
#ifndef __ASSEMBLY__
/* mpc52xx_common.c */
extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);
extern void mpc5200_setup_xlb_arbiter(void);
extern void mpc52xx_declare_of_platform_devices(void);
extern void mpc52xx_map_common_devices(void);
extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv);
extern void mpc52xx_restart(char *cmd);
/* mpc52xx_pic.c */
extern void mpc52xx_init_irq(void);
extern unsigned int mpc52xx_get_irq(void);
/* mpc52xx_pci.c */
#ifdef CONFIG_PCI
extern int __init mpc52xx_add_bridge(struct device_node *node);
extern void __init mpc52xx_setup_pci(void);
@ -262,9 +268,6 @@ extern void __init mpc52xx_setup_pci(void);
static inline void mpc52xx_setup_pci(void) { }
#endif
extern void __init mpc52xx_map_wdt(void);
extern void mpc52xx_restart(char *cmd);
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_PM