diff options
author | Tom Rini <trini@ti.com> | 2014-06-08 07:58:41 -0400 |
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committer | Tom Rini <trini@ti.com> | 2014-06-08 07:58:41 -0400 |
commit | 55e8250bd3cfd996d1caa04f520160a89ec04754 (patch) | |
tree | 64060c77eb5467f9a4c5ee421978db49d1a48ad3 /arch/arm/cpu/armv7/am33xx/clock_am43xx.c | |
parent | 3e1fa221f94b7ae3389d166882b77f1da5895f22 (diff) | |
parent | 5ed28948a3ffe6c735386e59c132989869beaa3e (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.c | 9 |
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) |