Message ID | 354965566.5372561.1348777614543.JavaMail.root@advansee.com |
---|---|
State | Awaiting Upstream |
Delegated to: | Stefano Babic |
Headers | show |
On 27/09/2012 22:26, Benoît Thébaudeau wrote: > The MFN bit-field of the PLL registers represents a signed value. See the > reference manual. > > Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> > Cc: Stefano Babic <sbabic@denx.de> > --- All series applied to u-boot-imx, next branch, thanks. Best regards, Stefano Babic
diff --git u-boot-imx-e1eb75b.orig/arch/arm/cpu/arm926ejs/mx25/generic.c u-boot-imx-e1eb75b/arch/arm/cpu/arm926ejs/mx25/generic.c index 90e584a..2283a89 100644 --- u-boot-imx-e1eb75b.orig/arch/arm/cpu/arm926ejs/mx25/generic.c +++ u-boot-imx-e1eb75b/arch/arm/cpu/arm926ejs/mx25/generic.c @@ -48,7 +48,7 @@ static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref) { unsigned int mfi = (pll >> CCM_PLL_MFI_SHIFT) & CCM_PLL_MFI_MASK; - unsigned int mfn = (pll >> CCM_PLL_MFN_SHIFT) + int mfn = (pll >> CCM_PLL_MFN_SHIFT) & CCM_PLL_MFN_MASK; unsigned int mfd = (pll >> CCM_PLL_MFD_SHIFT) & CCM_PLL_MFD_MASK; @@ -56,9 +56,12 @@ static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref) & CCM_PLL_PD_MASK; mfi = mfi <= 5 ? 5 : mfi; + mfn = mfn >= 512 ? mfn - 1024 : mfn; + mfd += 1; + pd += 1; - return lldiv(2 * (u64) f_ref * (mfi * (mfd + 1) + mfn), - (mfd + 1) * (pd + 1)); + return lldiv(2 * (u64) f_ref * (mfi * mfd + mfn), + mfd * pd); } static ulong imx_get_mpllclk(void)
The MFN bit-field of the PLL registers represents a signed value. See the reference manual. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> --- .../arch/arm/cpu/arm926ejs/mx25/generic.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)