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| author | Ilya Yanok <ilya.yanok@cogentembedded.com> | 2012-11-06 13:48:23 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-11-20 00:16:07 +0100 |
| commit | 7df5cf35de466db4d13b4fc94862248f4445a996 (patch) | |
| tree | 4d0cb833fbf8f8e6bf431ee90df841d21c3cdbd1 /arch/arm/cpu/armv7/am33xx/clock.c | |
| parent | 37931f02c291a097f3012e66a1de440f6ed00753 (diff) | |
| download | u-boot-imx-7df5cf35de466db4d13b4fc94862248f4445a996.zip u-boot-imx-7df5cf35de466db4d13b4fc94862248f4445a996.tar.gz u-boot-imx-7df5cf35de466db4d13b4fc94862248f4445a996.tar.bz2 | |
am33xx: init OTG hardware and new musb gadget driver
AM33xx has support for dual port MUSB OTG controller. This patch
adds initialization for the controller using new MUSB gadget
driver and ether gadget.
Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/clock.c')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index bc2abb6..0b4cb4e 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -40,6 +40,7 @@ #define CLK_MODE_MASK 0xfffffff8 #define CLK_DIV_SEL 0xFFFFFFE0 #define CPGMAC0_IDLE 0x30000 +#define DPLL_CLKDCOLDO_GATE_CTRL 0x300 const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; @@ -194,6 +195,11 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmrtc->rtcclkctrl); while (readl(&cmrtc->rtcclkctrl) != PRCM_MOD_EN) ; + + /* MUSB */ + writel(PRCM_MOD_EN, &cmper->usb0clkctrl); + while (readl(&cmper->usb0clkctrl) != PRCM_MOD_EN) + ; } static void mpu_pll_config(void) @@ -290,6 +296,8 @@ static void per_pll_config(void) while (readl(&cmwkup->idlestdpllper) != ST_DPLL_CLK) ; + + writel(DPLL_CLKDCOLDO_GATE_CTRL, &cmwkup->clkdcoldodpllper); } void ddr_pll_config(unsigned int ddrpll_m) |