X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_m25.c;h=2e4cbedf989d23991c54245b6a6a18d392e2d1b1;hb=341157c7415fcf879696c9d8167722a0c5ff264c;hp=ca0615e7c5b75e30c8e1eb0b50f98d741977f2e7;hpb=936eceded2d08f4eb7318b28bd1be6cd3b06a7b3;p=fw%2Faltos

diff --git a/src/drivers/ao_m25.c b/src/drivers/ao_m25.c
index ca0615e7..2e4cbedf 100644
--- a/src/drivers/ao_m25.c
+++ b/src/drivers/ao_m25.c
@@ -82,11 +82,11 @@ uint16_t	ao_storage_unit;
  */
 
 #if M25_MAX_CHIPS > 1
-static uint8_t ao_m25_size[M25_MAX_CHIPS];	/* number of sectors in each chip */
+static uint32_t ao_m25_size[M25_MAX_CHIPS];	/* number of sectors in each chip */
 static ao_port_t ao_m25_pin[M25_MAX_CHIPS];	/* chip select pin for each chip */
 static uint8_t ao_m25_numchips;			/* number of chips detected */
 #endif
-static uint8_t ao_m25_total;			/* total sectors available */
+static uint32_t ao_m25_total;			/* total sectors available */
 static ao_port_t ao_m25_wip;			/* write in progress */
 
 static uint8_t ao_m25_mutex;
@@ -101,12 +101,14 @@ static uint8_t ao_m25_mutex;
 
 static uint8_t	ao_m25_instruction[4];
 
-#define M25_SELECT(cs)		ao_spi_get_mask(AO_M25_SPI_CS_PORT,cs,AO_M25_SPI_BUS, AO_SPI_SPEED_FAST)
+#define AO_M25_SPI_SPEED	ao_spi_speed(10000000)	/* this seems like a reasonable minimum speed to require */
+
+#define M25_SELECT(cs)		ao_spi_get_mask(AO_M25_SPI_CS_PORT,cs,AO_M25_SPI_BUS,AO_M25_SPI_SPEED)
 #define M25_DESELECT(cs)	ao_spi_put_mask(AO_M25_SPI_CS_PORT,cs,AO_M25_SPI_BUS)
 
 #define M25_BLOCK_SHIFT			16
 #define M25_BLOCK			65536L
-#define M25_POS_TO_SECTOR(pos)		((uint8_t) ((pos) >> M25_BLOCK_SHIFT))
+#define M25_POS_TO_SECTOR(pos)		((uint32_t) ((pos) >> M25_BLOCK_SHIFT))
 #define M25_SECTOR_TO_POS(sector)	(((uint32_t) (sector)) << M25_BLOCK_SHIFT)
 
 /*
@@ -146,7 +148,7 @@ ao_m25_write_enable(ao_port_t cs)
 /*
  * Returns the number of 64kB sectors
  */
-static uint8_t
+static uint32_t
 ao_m25_read_capacity(ao_port_t cs)
 {
 	uint8_t	capacity;
@@ -172,7 +174,7 @@ ao_m25_set_address(uint32_t pos)
 {
 	ao_port_t	mask;
 #if M25_MAX_CHIPS > 1
-	uint8_t	size;
+	uint32_t	size;
 	uint8_t		chip;
 
 	for (chip = 0; chip < ao_m25_numchips; chip++) {
@@ -204,7 +206,8 @@ static uint8_t
 ao_m25_scan(void)
 {
 #if M25_MAX_CHIPS > 1
-	uint8_t	pin, size;
+	uint8_t	pin;
+	uint32_t size;
 #endif
 
 	if (ao_m25_total)
@@ -344,12 +347,12 @@ ao_storage_device_info(void)
 	ao_mutex_put(&ao_m25_mutex);
 
 #if M25_MAX_CHIPS > 1
-	printf ("Detected chips %d size %d\n", ao_m25_numchips, ao_m25_total);
+	printf ("Detected chips %d size %ld\n", ao_m25_numchips, ao_m25_total);
 	for (chip = 0; chip < ao_m25_numchips; chip++)
 		printf ("Flash chip %d select %02x size %d\n",
 			chip, ao_m25_pin[chip], ao_m25_size[chip]);
 #else
-	printf ("Detected chips 1 size %d\n", ao_m25_total);
+	printf ("Detected chips 1 size %ld\n", ao_m25_total);
 #endif
 
 #if M25_DEBUG