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authorHans-Christian Egtvedt <hcegtvedt@atmel.com>2007-01-31 18:01:45 +0100
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-04-27 13:43:27 +0200
commit068d9f6eb9369a00eb45be91c07653cfef65f4a0 (patch)
tree845e2162383a78c29fb05c4e8113730270b46583 /include/asm-avr32
parent9c8f8e752431f3f7ed6ea6ea6e491ce12057f572 (diff)
[AVR32] Add nwait and tdf parameters to SMC configuration
Complete the SMC configuration code by adding nwait and tdf parameter. After this change, we support the same parameters as the hardware. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'include/asm-avr32')
-rw-r--r--include/asm-avr32/arch-at32ap/smc.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h
index 3732b328303..07152b7fd9c 100644
--- a/include/asm-avr32/arch-at32ap/smc.h
+++ b/include/asm-avr32/arch-at32ap/smc.h
@@ -48,10 +48,32 @@ struct smc_config {
unsigned int nwe_controlled:1;
/*
+ * 0: NWAIT is disabled
+ * 1: Reserved
+ * 2: NWAIT is frozen mode
+ * 3: NWAIT in ready mode
+ */
+ unsigned int nwait_mode:2;
+
+ /*
* 0: Byte select access type
* 1: Byte write access type
*/
unsigned int byte_write:1;
+
+ /*
+ * Number of clock cycles before data is released after
+ * the rising edge of the read controlling signal
+ *
+ * Total cycles from SMC is tdf_cycles + 1
+ */
+ unsigned int tdf_cycles:4;
+
+ /*
+ * 0: TDF optimization disabled
+ * 1: TDF optimization enabled
+ */
+ unsigned int tdf_mode:1;
};
extern int smc_set_configuration(int cs, const struct smc_config *config);