diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/clock.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index f9dfcd0411..b85f63848f 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -483,7 +483,16 @@ unsigned clock_get_rate(enum clock_id clkid) * PLLU uses p_mask/p_shift for VCO on all but T210, * T210 uses normal DIVP. Handled in pllinfo table. */ - divm <<= (base >> pllinfo->p_shift) & pllinfo->p_mask; +#ifdef CONFIG_TEGRA210 + /* + * PLLP's primary output (pllP_out0) on T210 is the VCO, and divp is + * not applied. pllP_out2 does have divp applied. All other pllP_outN + * are divided down from pllP_out0. We only support pllP_out0 in + * U-Boot at the time of writing this comment. + */ + if (clkid != CLOCK_ID_PERIPH) +#endif + divm <<= (base >> pllinfo->p_shift) & pllinfo->p_mask; do_div(rate, divm); return rate; } |