arm, davinci: add PLL0 prediv to da850 lowlevel setup
The OMAP-L138 has a pre-divider available on PLL0.
Add support to da850_lowlevel.c for configuring PLL0's pre-divider. This is
to achieve certain OPP's -- e.g. the 372MHz OPP used also by Linux.
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Cc: Christian Riesch <christian.riesch@omicron.at>
CC: Heiko Schocher <hs@denx.de>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Tom Rini <tom.rini@gmail.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Heiko Schocher <hs@denx.de>
Acked-by: Christian Riesch <christian.riesch@omicron.at>
diff --git a/arch/arm/include/asm/arch-davinci/pll_defs.h b/arch/arm/include/asm/arch-davinci/pll_defs.h
index f1396e3..1c8d83f 100644
--- a/arch/arm/include/asm/arch-davinci/pll_defs.h
+++ b/arch/arm/include/asm/arch-davinci/pll_defs.h
@@ -68,7 +68,8 @@
#define PLLCTL_RES_9 (1 << 8)
#define PLLCTL_EXTCLKSRC (1 << 9)
-#define PLL_POSTDEN (1 << 15)
+#define PLL_DIVEN (1 << 15)
+#define PLL_POSTDEN PLL_DIVEN
#define PLL_SCSCFG3_DIV45PENA (1 << 2)
#define PLL_SCSCFG3_EMA_CLKSRC (1 << 1)