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authorAbhijit Pagare <abhijitpagare@ti.com>2010-01-27 06:12:53 +0300
committerPaul Walmsley <paul@pwsan.com>2010-01-27 06:12:53 +0300
commitb099474aa4e7fbaf5dc3b5858bc83dee2f94c60f (patch)
tree8b161fded113e64c0103998853474a644116a7c2 /arch/arm/mach-omap2/clockdomain.c
parent84c0c39aec31a09571fc08a752a2f4da0fe9fcf2 (diff)
downloadlinux-b099474aa4e7fbaf5dc3b5858bc83dee2f94c60f.tar.xz
ARM: OMAP4: PM: Modify Clock-domain interfaces for OMAP4 compatibility.
Here the APIs are modified to use absolute addresses instead of module offsets. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/clockdomain.c')
-rw-r--r--arch/arm/mach-omap2/clockdomain.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 52885ac5bb5d..5366a10d8597 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -145,25 +145,29 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
*/
static void _omap2_clkdm_set_hwsup(struct clockdomain *clkdm, int enable)
{
- u32 v;
+ u32 bits, v;
if (cpu_is_omap24xx()) {
if (enable)
- v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO;
+ bits = OMAP24XX_CLKSTCTRL_ENABLE_AUTO;
else
- v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO;
+ bits = OMAP24XX_CLKSTCTRL_DISABLE_AUTO;
} else if (cpu_is_omap34xx()) {
if (enable)
- v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO;
+ bits = OMAP34XX_CLKSTCTRL_ENABLE_AUTO;
else
- v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO;
+ bits = OMAP34XX_CLKSTCTRL_DISABLE_AUTO;
} else {
BUG();
}
- cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
- v << __ffs(clkdm->clktrctrl_mask),
- clkdm->pwrdm.ptr->prcm_offs, OMAP2_CM_CLKSTCTRL);
+ bits = bits << __ffs(clkdm->clktrctrl_mask);
+
+ v = __raw_readl(clkdm->clkstctrl_reg);
+ v &= ~(clkdm->clktrctrl_mask);
+ v |= bits;
+ __raw_writel(v, clkdm->clkstctrl_reg);
+
}
static struct clockdomain *_clkdm_lookup(const char *name)
@@ -381,7 +385,7 @@ static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm)
if (!clkdm)
return -EINVAL;
- v = cm_read_mod_reg(clkdm->pwrdm.ptr->prcm_offs, OMAP2_CM_CLKSTCTRL);
+ v = __raw_readl(clkdm->clkstctrl_reg);
v &= clkdm->clktrctrl_mask;
v >>= __ffs(clkdm->clktrctrl_mask);
@@ -417,12 +421,13 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
} else if (cpu_is_omap34xx()) {
- u32 v = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP <<
+ u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP <<
__ffs(clkdm->clktrctrl_mask));
- cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v,
- clkdm->pwrdm.ptr->prcm_offs,
- OMAP2_CM_CLKSTCTRL);
+ u32 v = __raw_readl(clkdm->clkstctrl_reg);
+ v &= ~(clkdm->clktrctrl_mask);
+ v |= bits;
+ __raw_writel(v, clkdm->clkstctrl_reg);
} else {
BUG();
@@ -460,12 +465,13 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
} else if (cpu_is_omap34xx()) {
- u32 v = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP <<
+ u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP <<
__ffs(clkdm->clktrctrl_mask));
- cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v,
- clkdm->pwrdm.ptr->prcm_offs,
- OMAP2_CM_CLKSTCTRL);
+ u32 v = __raw_readl(clkdm->clkstctrl_reg);
+ v &= ~(clkdm->clktrctrl_mask);
+ v |= bits;
+ __raw_writel(v, clkdm->clkstctrl_reg);
} else {
BUG();
@@ -561,7 +567,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk || !clkdm->clktrctrl_mask)
+ if (!clkdm || !clk || !clkdm->clkstctrl_reg)
return -EINVAL;
if (atomic_inc_return(&clkdm->usecount) > 1)
@@ -612,7 +618,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk || !clkdm->clktrctrl_mask)
+ if (!clkdm || !clk || !clkdm->clkstctrl_reg)
return -EINVAL;
#ifdef DEBUG