diff options
| author | Tom Rini <trini@ti.com> | 2014-11-24 12:02:12 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-11-24 12:02:12 -0500 |
| commit | dee332ffb735f65ab922118791a583c17bb0b795 (patch) | |
| tree | d07bc0821792831aa4baeb27868252c2d32c7738 /arch/arm/cpu/armv7/mx6/clock.c | |
| parent | 1739564e753bc3a8097f8937a3cbe738bdaaed5d (diff) | |
| parent | e7eb277dced570f177d75d56f40219d9dc599ed1 (diff) | |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'arch/arm/cpu/armv7/mx6/clock.c')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 6c9c78c11a..ab7ac3d703 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -596,6 +596,14 @@ int enable_sata_clock(void) ungate_sata_clock(); return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA); } + +void disable_sata_clock(void) +{ + struct mxc_ccm_reg *const imx_ccm = + (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + clrbits_le32(&imx_ccm->CCGR5, MXC_CCM_CCGR5_SATA_MASK); +} #endif int enable_pcie_clock(void) @@ -673,6 +681,36 @@ void hab_caam_clock_enable(unsigned char enable) } #endif +static void enable_pll3(void) +{ + struct anatop_regs __iomem *anatop = + (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; + + /* make sure pll3 is enabled */ + if ((readl(&anatop->usb1_pll_480_ctrl) & + BM_ANADIG_USB1_PLL_480_CTRL_LOCK) == 0) { + /* enable pll's power */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_POWER, + &anatop->usb1_pll_480_ctrl_set); + writel(0x80, &anatop->ana_misc2_clr); + /* wait for pll lock */ + while ((readl(&anatop->usb1_pll_480_ctrl) & + BM_ANADIG_USB1_PLL_480_CTRL_LOCK) == 0) + ; + /* disable bypass */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_BYPASS, + &anatop->usb1_pll_480_ctrl_clr); + /* enable pll output */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_ENABLE, + &anatop->usb1_pll_480_ctrl_set); + } +} + +void enable_thermal_clk(void) +{ + enable_pll3(); +} + unsigned int mxc_get_clock(enum mxc_clock clk) { switch (clk) { |