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authorTom Rini <trini@ti.com>2014-06-08 07:58:41 -0400
committerTom Rini <trini@ti.com>2014-06-08 07:58:41 -0400
commit55e8250bd3cfd996d1caa04f520160a89ec04754 (patch)
tree64060c77eb5467f9a4c5ee421978db49d1a48ad3 /arch/arm/cpu/armv7/am33xx/clock_am43xx.c
parent3e1fa221f94b7ae3389d166882b77f1da5895f22 (diff)
parent5ed28948a3ffe6c735386e59c132989869beaa3e (diff)
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/clock_am43xx.c')
-rw-r--r--arch/arm/cpu/armv7/am33xx/clock_am43xx.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
index d0bc2340c8..31188c85bc 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
@@ -53,6 +53,8 @@ const struct dpll_regs dpll_ddr_regs = {
void setup_clocks_for_console(void)
{
+ u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED;
+
/* Do not add any spl_debug prints in this function */
clrsetbits_le32(&cmwkup->wkclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK,
CD_CLKCTRL_CLKTRCTRL_SW_WKUP <<
@@ -63,6 +65,13 @@ void setup_clocks_for_console(void)
MODULE_CLKCTRL_MODULEMODE_MASK,
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
MODULE_CLKCTRL_MODULEMODE_SHIFT);
+
+ while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) ||
+ (idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) {
+ clkctrl = readl(&cmwkup->wkup_uart0ctrl);
+ idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >>
+ MODULE_CLKCTRL_IDLEST_SHIFT;
+ }
}
void enable_basic_clocks(void)