summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/powerdomain44xx.c
diff options
context:
space:
mode:
authorRajendra Nayak <rnayak@ti.com>2010-12-22 04:01:18 +0100
committerPaul Walmsley <paul@pwsan.com>2010-12-22 04:01:18 +0100
commit12627578523d2d9396cae76b1dad0ed3dccf1730 (patch)
tree0cce660ef2a1bc3390823469fed55a409617194a /arch/arm/mach-omap2/powerdomain44xx.c
parentOMAP: powerdomain: Arch specific funcs for state control (diff)
downloadlinux-12627578523d2d9396cae76b1dad0ed3dccf1730.tar.xz
linux-12627578523d2d9396cae76b1dad0ed3dccf1730.zip
OMAP: powerdomain: Arch specific funcs for logic control
Define the following architecture specific funtions for omap2/3/4 .pwrdm_set_logic_retst .pwrdm_read_logic_pwrst .pwrdm_read_prev_logic_pwrst .pwrdm_read_logic_retst Convert the platform-independent framework to call these functions. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Rajendra Nayak <rnayak@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain44xx.c')
-rw-r--r--arch/arm/mach-omap2/powerdomain44xx.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/powerdomain44xx.c b/arch/arm/mach-omap2/powerdomain44xx.c
index 5dc337c0e5d5..996790acebc9 100644
--- a/arch/arm/mach-omap2/powerdomain44xx.c
+++ b/arch/arm/mach-omap2/powerdomain44xx.c
@@ -47,9 +47,35 @@ static int omap4_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
OMAP4430_LASTPOWERSTATEENTERED_MASK);
}
+static int omap4_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
+{
+ u32 v;
+
+ v = pwrst << __ffs(OMAP4430_LOGICRETSTATE_MASK);
+ prm_rmw_mod_reg_bits(OMAP4430_LOGICRETSTATE_MASK, v,
+ pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL);
+
+ return 0;
+}
+
+static int omap4_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
+{
+ return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP4_PM_PWSTST,
+ OMAP4430_LOGICSTATEST_MASK);
+}
+
+static int omap4_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
+{
+ return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL,
+ OMAP4430_LOGICRETSTATE_MASK);
+}
+
struct pwrdm_ops omap4_pwrdm_operations = {
.pwrdm_set_next_pwrst = omap4_pwrdm_set_next_pwrst,
.pwrdm_read_next_pwrst = omap4_pwrdm_read_next_pwrst,
.pwrdm_read_pwrst = omap4_pwrdm_read_pwrst,
.pwrdm_read_prev_pwrst = omap4_pwrdm_read_prev_pwrst,
+ .pwrdm_set_logic_retst = omap4_pwrdm_set_logic_retst,
+ .pwrdm_read_logic_pwrst = omap4_pwrdm_read_logic_pwrst,
+ .pwrdm_read_logic_retst = omap4_pwrdm_read_logic_retst,
};