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OMAP3: PM: restore SRAM functions after off-mode. 

Generalize the copy of SRAM functions into omap_push_sram_idle()
so it can be used on init but also after off-mode transitions.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Rajendra Nayak 2008-09-26 17:49:14 +05:30 committed by Kevin Hilman
parent c96631e138
commit 3231fc889c
3 changed files with 18 additions and 6 deletions
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10
arch/arm/mach-omap2/pm34xx.c
View File

@ -749,6 +749,12 @@ static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
return 0;
}
void omap_push_sram_idle(void)
{
_omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend,
omap34xx_cpu_suspend_sz);
}
static int __init omap3_pm_init(void)
{
struct power_state *pwrst, *tmp;
@ -786,9 +792,7 @@ static int __init omap3_pm_init(void)
goto err2;
}
_omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend,
omap34xx_cpu_suspend_sz);
omap_push_sram_idle();
#ifdef CONFIG_SUSPEND
suspend_set_ops(&omap_pm_ops);
#endif /* CONFIG_SUSPEND */

6
arch/arm/plat-omap/include/plat/sram.h
View File

@ -68,4 +68,10 @@ extern u32 omap3_sram_configure_core_dpll(
u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
extern unsigned long omap3_sram_configure_core_dpll_sz;
#ifdef CONFIG_PM
extern void omap_push_sram_idle(void);
#else
static inline void omap_push_sram_idle(void) {}
#endif /* CONFIG_PM */
#endif

8
arch/arm/plat-omap/sram.c
View File

@ -396,22 +396,24 @@ u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc,
sdrc_actim_ctrl_b_1, sdrc_mr_1);
}
/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */
void restore_sram_functions(void)
#ifdef CONFIG_PM
void omap3_sram_restore_context(void)
{
omap_sram_ceil = omap_sram_base + omap_sram_size;
_omap3_sram_configure_core_dpll =
omap_sram_push(omap3_sram_configure_core_dpll,
omap3_sram_configure_core_dpll_sz);
omap_push_sram_idle();
}
#endif /* CONFIG_PM */
int __init omap34xx_sram_init(void)
{
_omap3_sram_configure_core_dpll =
omap_sram_push(omap3_sram_configure_core_dpll,
omap3_sram_configure_core_dpll_sz);
omap_push_sram_idle();
return 0;
}
#else