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Diffstat (limited to 'arch/arm/mach-omap2/clkt_dpll.c')
-rw-r--r--arch/arm/mach-omap2/clkt_dpll.c34
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 332af927f4d3..05168c98b3d9 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;
}