diff options
Diffstat (limited to 'arch/arm/mach-omap2/clkt_dpll.c')
| -rw-r--r-- | arch/arm/mach-omap2/clkt_dpll.c | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 332af92..05168c9 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -44,20 +44,12 @@ #define DPLL_ROUNDING_VAL ((DPLL_SCALE_BASE / 2) * \ (DPLL_SCALE_FACTOR / DPLL_SCALE_BASE)) -/* DPLL valid Fint frequency band limits - from 34xx TRM Section 4.7.6.2 */ -#define OMAP3430_DPLL_FINT_BAND1_MIN 750000 -#define OMAP3430_DPLL_FINT_BAND1_MAX 2100000 -#define OMAP3430_DPLL_FINT_BAND2_MIN 7500000 -#define OMAP3430_DPLL_FINT_BAND2_MAX 21000000 - /* * DPLL valid Fint frequency range for OMAP36xx and OMAP4xxx. * From device data manual section 4.3 "DPLL and DLL Specifications". */ #define OMAP3PLUS_DPLL_FINT_JTYPE_MIN 500000 #define OMAP3PLUS_DPLL_FINT_JTYPE_MAX 2500000 -#define OMAP3PLUS_DPLL_FINT_MIN 32000 -#define OMAP3PLUS_DPLL_FINT_MAX 52000000 /* _dpll_test_fint() return codes */ #define DPLL_FINT_UNDERFLOW -1 @@ -87,33 +79,31 @@ static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) /* DPLL divider must result in a valid jitter correction val */ fint = __clk_get_rate(__clk_get_parent(clk->hw.clk)) / n; - if (cpu_is_omap24xx()) { - /* Should not be called for OMAP2, so warn if it is called */ - WARN(1, "No fint limits available for OMAP2!\n"); - return DPLL_FINT_INVALID; - } else if (cpu_is_omap3430()) { - fint_min = OMAP3430_DPLL_FINT_BAND1_MIN; - fint_max = OMAP3430_DPLL_FINT_BAND2_MAX; - } else if (dd->flags & DPLL_J_TYPE) { + if (dd->flags & DPLL_J_TYPE) { fint_min = OMAP3PLUS_DPLL_FINT_JTYPE_MIN; fint_max = OMAP3PLUS_DPLL_FINT_JTYPE_MAX; } else { - fint_min = OMAP3PLUS_DPLL_FINT_MIN; - fint_max = OMAP3PLUS_DPLL_FINT_MAX; + fint_min = ti_clk_features.fint_min; + fint_max = ti_clk_features.fint_max; + } + + if (!fint_min || !fint_max) { + WARN(1, "No fint limits available!\n"); + return DPLL_FINT_INVALID; } - if (fint < fint_min) { + if (fint < ti_clk_features.fint_min) { pr_debug("rejecting n=%d due to Fint failure, lowering max_divider\n", n); dd->max_divider = n; ret = DPLL_FINT_UNDERFLOW; - } else if (fint > fint_max) { + } else if (fint > ti_clk_features.fint_max) { pr_debug("rejecting n=%d due to Fint failure, boosting min_divider\n", n); dd->min_divider = n; ret = DPLL_FINT_INVALID; - } else if (cpu_is_omap3430() && fint > OMAP3430_DPLL_FINT_BAND1_MAX && - fint < OMAP3430_DPLL_FINT_BAND2_MIN) { + } else if (fint > ti_clk_features.fint_band1_max && + fint < ti_clk_features.fint_band2_min) { pr_debug("rejecting n=%d due to Fint failure\n", n); ret = DPLL_FINT_INVALID; } |