[AVR32] SMC configuration in clock cycles
This patch makes the SMC configuration take timings in clock cycles
instead of nanoseconds. A function to calculate timings in clock
cycles is added.
This patch removes the rounding troubles of the previous SMC
configuration method.
[hskinnemoen@atmel.com: fix atstk1002/atngw100 flash config]
Signed-off-by: Kristoffer Nyborg Gregertsen <gregerts@stud.ntnu.no>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/arch/avr32/boards/atstk1000/flash.c b/arch/avr32/boards/atstk1000/flash.c
index aac4300..3d0a102 100644
--- a/arch/avr32/boards/atstk1000/flash.c
+++ b/arch/avr32/boards/atstk1000/flash.c
@@ -15,7 +15,7 @@
#include <asm/arch/smc.h>
-static struct smc_config flash_config __initdata = {
+static struct smc_timing flash_timing __initdata = {
.ncs_read_setup = 0,
.nrd_setup = 40,
.ncs_write_setup = 0,
@@ -28,7 +28,9 @@
.read_cycle = 120,
.write_cycle = 120,
+};
+static struct smc_config flash_config __initdata = {
.bus_width = 2,
.nrd_controlled = 1,
.nwe_controlled = 1,
@@ -82,6 +84,7 @@
{
int ret;
+ smc_set_timing(&flash_config, &flash_timing);
ret = smc_set_configuration(0, &flash_config);
if (ret < 0) {
printk(KERN_ERR "atstk1000: failed to set NOR flash timing\n");