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| author | Tero Kristo <t-kristo@ti.com> | 2014-02-26 14:00:16 +0400 |
|---|---|---|
| committer | Tero Kristo <t-kristo@ti.com> | 2014-07-04 18:02:15 +0400 |
| commit | 7e28b465fdea3f0601a1c76e47c50d05c7c603e2 (patch) | |
| tree | cf498d1add78a8aae7a8df8addb7fec36ad7f415 /arch/arm/mach-omap2/prm3xxx.c | |
| parent | 9efcea09b0b56488e46ab3a36fe8dbce9eded529 (diff) | |
| download | linux-7e28b465fdea3f0601a1c76e47c50d05c7c603e2.tar.xz | |
ARM: OMAP3: PRM: add API for saving PRM scratchpad contents
This isolates the PRM register access within the PRM driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/prm3xxx.c')
| -rw-r--r-- | arch/arm/mach-omap2/prm3xxx.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index 4733c28d9d64..4d93b844bcc4 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -409,6 +409,15 @@ int omap3xxx_prm_clear_global_cold_reset(void) return 0; } +void omap3_prm_save_scratchpad_contents(u32 *ptr) +{ + *ptr++ = omap2_prm_read_mod_reg(OMAP3430_GR_MOD, + OMAP3_PRM_CLKSRC_CTRL_OFFSET); + + *ptr++ = omap2_prm_read_mod_reg(OMAP3430_GR_MOD, + OMAP3_PRM_CLKSEL_OFFSET); +} + /* Powerdomain low-level functions */ static int omap3_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) |