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-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c2
-rw-r--r--arch/arm/mach-omap2/board-zoom2.c4
-rw-r--r--arch/arm/mach-omap2/clock24xx.c1
-rw-r--r--arch/arm/mach-omap2/clockdomain.c74
4 files changed, 49 insertions, 32 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index c1af5326e92f..2b0eb1ba5d7f 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -444,7 +444,7 @@ static int __init rx51_i2c_init(void)
rx51_twldata.vaux3 = &rx51_vaux3_cam;
rx51_twldata.vmmc2 = &rx51_vmmc2;
}
- omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
+ omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
omap_register_i2c_bus(2, 100, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index b7b32208ced7..fd3369d5e5cb 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -25,6 +25,7 @@
#include <mach/keypad.h>
#include "mmc-twl4030.h"
+#include "sdram-micron-mt46h32m32lf-6.h"
/* Zoom2 has Qwerty keyboard*/
static int board_keymap[] = {
@@ -213,7 +214,8 @@ static void __init omap_zoom2_init_irq(void)
{
omap_board_config = zoom2_config;
omap_board_config_size = ARRAY_SIZE(zoom2_config);
- omap2_init_common_hw(NULL, NULL);
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
omap_init_irq();
omap_gpio_init();
}
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index bc5d3ac66611..e2dbedd581e8 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -769,6 +769,7 @@ int __init omap2_clk_init(void)
if (c->cpu & cpu_mask) {
clkdev_add(&c->lk);
clk_register(c->lk.clk);
+ omap2_init_clk_clkdm(c->lk.clk);
}
/* Check the MPU rate set by bootloader */
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 4ef7b4f5474e..58aff8485df9 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -137,6 +137,36 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
}
}
+/*
+ * _omap2_clkdm_set_hwsup - set the hwsup idle transition bit
+ * @clkdm: struct clockdomain *
+ * @enable: int 0 to disable, 1 to enable
+ *
+ * Internal helper for actually switching the bit that controls hwsup
+ * idle transitions for clkdm.
+ */
+static void _omap2_clkdm_set_hwsup(struct clockdomain *clkdm, int enable)
+{
+ u32 v;
+
+ if (cpu_is_omap24xx()) {
+ if (enable)
+ v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO;
+ else
+ v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO;
+ } else if (cpu_is_omap34xx()) {
+ if (enable)
+ v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO;
+ else
+ v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO;
+ } else {
+ BUG();
+ }
+
+ cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
+ v << __ffs(clkdm->clktrctrl_mask),
+ clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
+}
static struct clockdomain *_clkdm_lookup(const char *name)
{
@@ -456,8 +486,6 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
*/
void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
{
- u32 v;
-
if (!clkdm)
return;
@@ -473,18 +501,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
- if (cpu_is_omap24xx())
- v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO;
- else if (cpu_is_omap34xx())
- v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO;
- else
- BUG();
-
-
- cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
- v << __ffs(clkdm->clktrctrl_mask),
- clkdm->pwrdm.ptr->prcm_offs,
- CM_CLKSTCTRL);
+ _omap2_clkdm_set_hwsup(clkdm, 1);
pwrdm_clkdm_state_switch(clkdm);
}
@@ -500,8 +517,6 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
*/
void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
{
- u32 v;
-
if (!clkdm)
return;
@@ -514,16 +529,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
pr_debug("clockdomain: disabling automatic idle transitions for %s\n",
clkdm->name);
- if (cpu_is_omap24xx())
- v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO;
- else if (cpu_is_omap34xx())
- v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO;
- else
- BUG();
-
- cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
- v << __ffs(clkdm->clktrctrl_mask),
- clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
+ _omap2_clkdm_set_hwsup(clkdm, 0);
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
@@ -569,10 +575,14 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
v = omap2_clkdm_clktrctrl_read(clkdm);
if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||
- (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO))
+ (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) {
+ /* Disable HW transitions when we are changing deps */
+ _omap2_clkdm_set_hwsup(clkdm, 0);
_clkdm_add_autodeps(clkdm);
- else
+ _omap2_clkdm_set_hwsup(clkdm, 1);
+ } else {
omap2_clkdm_wakeup(clkdm);
+ }
pwrdm_wait_transition(clkdm->pwrdm.ptr);
pwrdm_clkdm_state_switch(clkdm);
@@ -623,10 +633,14 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
v = omap2_clkdm_clktrctrl_read(clkdm);
if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||
- (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO))
+ (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) {
+ /* Disable HW transitions when we are changing deps */
+ _omap2_clkdm_set_hwsup(clkdm, 0);
_clkdm_del_autodeps(clkdm);
- else
+ _omap2_clkdm_set_hwsup(clkdm, 1);
+ } else {
omap2_clkdm_sleep(clkdm);
+ }
pwrdm_clkdm_state_switch(clkdm);