In DPLL4 M3, M4, M5 and M6 field width has been increased by 1 bit in 3630.
So the max divider value that can be achived will be 32 and not 16.
In 3630 the functional clock is x1 of DPLL4 and not x2 .Hence multiplier 2
is removed.
Signed-off-by: Sudeep Basavaraj <sudeep.basavaraj@xxxxxx>
Signed-off-by: Kishore Y <kishore.y@xxxxxx>
---
drivers/video/omap2/dss/dss.c | 28 ++++++++++++++++++++++------
1 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 5434418..e78b67d 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -34,8 +34,12 @@
#include "dss.h"
#define DSS_BASE 0x48050000
-
#define DSS_SZ_REGS SZ_512
+#if defined(CONFIG_MACH_OMAP_ZOOM3) || defined(CONFIG_MACH_OMAP_3630SDP)
+#define FCK_MAX_DIV 32
+#else
+#define FCK_MAX_DIV 16
+#endif
struct dss_reg {
u16 idx;
@@ -223,7 +227,13 @@ void dss_dump_clocks(struct seq_file *s)
seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
- seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
+ if (cpu_is_omap3630())
+ seq_printf(s, "dss1_alwon_fclk = %lu / %lu = %lu\n",
+ dpll4_ck_rate,
+ dpll4_ck_rate / dpll4_m4_ck_rate,
+ dss_clk_get_rate(DSS_CLK_FCK1));
+ else
+ seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
dpll4_ck_rate,
dpll4_ck_rate / dpll4_m4_ck_rate,
dss_clk_get_rate(DSS_CLK_FCK1));
@@ -293,7 +303,7 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo)
{
unsigned long prate;
- if (cinfo->fck_div > 16 || cinfo->fck_div == 0)
+ if (cinfo->fck_div > FCK_MAX_DIV || cinfo->fck_div == 0)
return -EINVAL;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
@@ -329,7 +339,10 @@ int dss_get_clock_div(struct dss_clock_info *cinfo)
if (cpu_is_omap34xx()) {
unsigned long prate;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
- cinfo->fck_div = prate / (cinfo->fck / 2);
+ if (cpu_is_omap3630())
+ cinfo->fck_div = prate / (cinfo->fck);
+ else
+ cinfo->fck_div = prate / (cinfo->fck / 2);
} else {
cinfo->fck_div = 0;
}
@@ -402,10 +415,13 @@ retry:
goto found;
} else if (cpu_is_omap34xx()) {
- for (fck_div = 16; fck_div > 0; --fck_div) {
+ for (fck_div = FCK_MAX_DIV; fck_div > 0; --fck_div) {
struct dispc_clock_info cur_dispc;
- fck = prate / fck_div * 2;
+ if (cpu_is_omap3630())
+ fck = prate / fck_div;
+ else
+ fck = prate / fck_div * 2;
if (fck > DISPC_MAX_FCK)
continue;
--
1.5.6.3
Regards,
Kishore Y
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
