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-rw-r--r--include/asm-avr32/arch-at32ap700x/clk.h3
-rw-r--r--include/asm-avr32/sdram.h3
2 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap700x/clk.h b/include/asm-avr32/arch-at32ap700x/clk.h
index ea84c08..385319a 100644
--- a/include/asm-avr32/arch-at32ap700x/clk.h
+++ b/include/asm-avr32/arch-at32ap700x/clk.h
@@ -75,4 +75,7 @@ static inline unsigned long get_mci_clk_rate(void)
}
#endif
+/* Board code may need the SDRAM base clock as a compile-time constant */
+#define SDRAMC_BUS_HZ (MAIN_CLK_RATE >> CFG_CLKDIV_HSB)
+
#endif /* __ASM_AVR32_ARCH_CLK_H__ */
diff --git a/include/asm-avr32/sdram.h b/include/asm-avr32/sdram.h
index 5057eef..833af6e 100644
--- a/include/asm-avr32/sdram.h
+++ b/include/asm-avr32/sdram.h
@@ -26,6 +26,9 @@ struct sdram_info {
unsigned long phys_addr;
unsigned int row_bits, col_bits, bank_bits;
unsigned int cas, twr, trc, trp, trcd, tras, txsr;
+
+ /* SDRAM refresh period in cycles */
+ unsigned long refresh_period;
};
extern unsigned long sdram_init(const struct sdram_info *info);