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-rw-r--r--firmware/SOURCES2
-rw-r--r--firmware/drivers/rtc/rtc_rx5x348ab.c35
-rw-r--r--firmware/drivers/tsc2100.c9
-rw-r--r--firmware/export/config-mrobe500.h2
-rw-r--r--firmware/export/config.h1
-rw-r--r--firmware/export/spi.h5
-rw-r--r--firmware/target/arm/tms320dm320/spi-dm320.c50
-rw-r--r--firmware/target/arm/tms320dm320/spi-target.h10
8 files changed, 95 insertions, 19 deletions
diff --git a/firmware/SOURCES b/firmware/SOURCES
index c864b08d34..72712b6b6c 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -146,6 +146,8 @@ drivers/rtc/rtc_ds1339_ds3231.c
drivers/rtc/rtc_s3c2440.c
#elif (CONFIG_RTC == RTC_AS3514)
drivers/rtc/rtc_as3514.c
+#elif (CONFIG_RTC == RTC_RX5X348AB)
+drivers/rtc/rtc_rx5x348ab.c
#endif /* (CONFIG_RTC == RTC_) */
#endif /* SIMULATOR */
diff --git a/firmware/drivers/rtc/rtc_rx5x348ab.c b/firmware/drivers/rtc/rtc_rx5x348ab.c
new file mode 100644
index 0000000000..3db30d2a38
--- /dev/null
+++ b/firmware/drivers/rtc/rtc_rx5x348ab.c
@@ -0,0 +1,35 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id: rtc_as3514.c 12131 2007-01-27 20:48:48Z dan_a $
+ *
+ * Copyright (C) 2007 by Jonathan Gordon
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "spi.h"
+#include "rtc.h"
+#include <stdbool.h>
+
+void rtc_init(void)
+{
+}
+
+int rtc_read_datetime(unsigned char* buf)
+{
+ char command = 0x04; /* burst read from the start of the time/date reg */
+ spi_block_transfer(SPI_target_RX5X348AB,
+ &command, 1, buf, 7);
+ return 1;
+} \ No newline at end of file
diff --git a/firmware/drivers/tsc2100.c b/firmware/drivers/tsc2100.c
index 19da33e377..ccb8c1f26b 100644
--- a/firmware/drivers/tsc2100.c
+++ b/firmware/drivers/tsc2100.c
@@ -30,7 +30,8 @@ void tsc2100_read_values(short *x, short* y, short *z1, short *z2)
unsigned short command = 0x8000|(page << 11)|(address << 5);
unsigned char out[] = {command >> 8, command & 0xff};
unsigned char in[8];
- spi_block_transfer(out, sizeof(out), in, sizeof(in));
+ spi_block_transfer(SPI_target_TSC2100,
+ out, sizeof(out), in, sizeof(in));
*x = (in[0]<<8)|in[1];
*y = (in[2]<<8)|in[3];
@@ -43,7 +44,8 @@ short tsc2100_readreg(int page, int address)
unsigned short command = 0x8000|(page << 11)|(address << 5);
unsigned char out[] = {command >> 8, command & 0xff};
unsigned char in[2];
- spi_block_transfer(out, sizeof(out), in, sizeof(in));
+ spi_block_transfer(SPI_target_TSC2100,
+ out, sizeof(out), in, sizeof(in));
return (in[0]<<8)|in[1];
}
@@ -53,7 +55,8 @@ void tsc2100_writereg(int page, int address, short value)
unsigned short command = 0x8000|(page << 11)|(address << 5);
unsigned char out[4] = {command >> 8, command & 0xff,
value >> 8, value & 0xff};
- spi_block_transfer(out, sizeof(out), NULL, 0);
+ spi_block_transfer(SPI_target_TSC2100,
+ out, sizeof(out), NULL, 0);
}
void tsc2100_keyclick(void)
diff --git a/firmware/export/config-mrobe500.h b/firmware/export/config-mrobe500.h
index 7bb7fc57ef..a965881bbd 100644
--- a/firmware/export/config-mrobe500.h
+++ b/firmware/export/config-mrobe500.h
@@ -62,7 +62,7 @@
#define CONFIG_CODEC SWCODEC
/* define this if you have a real-time clock */
-//#define CONFIG_RTC RTC_S3C2440
+#define CONFIG_RTC RTC_RX5X348AB
/* Define this for LCD backlight available */
#define HAVE_BACKLIGHT
diff --git a/firmware/export/config.h b/firmware/export/config.h
index 9bf589a459..7c55ee88a3 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -140,6 +140,7 @@
#define RTC_AS3514 6 /* Sandisk Sansa e200 series */
#define RTC_DS1339_DS3231 7 /* h1x0 RTC mod */
#define RTC_IMX31L 8
+#define RTC_RX5X348AB 9
/* USB On-the-go */
#define USBOTG_ISP1362 1362 /* iriver H300 */
diff --git a/firmware/export/spi.h b/firmware/export/spi.h
index aafc367855..1de12abefb 100644
--- a/firmware/export/spi.h
+++ b/firmware/export/spi.h
@@ -18,9 +18,6 @@
****************************************************************************/
#ifndef __SPI_H__
#define __SPI_H__
-
-int spi_block_transfer(const uint8_t *tx_bytes, unsigned int tx_size,
- uint8_t *rx_bytes, unsigned int rx_size);
-void spi_init(void);
+#include "spi-target.h"
#endif
diff --git a/firmware/target/arm/tms320dm320/spi-dm320.c b/firmware/target/arm/tms320dm320/spi-dm320.c
index c47ab8f6ed..31fe63d9dd 100644
--- a/firmware/target/arm/tms320dm320/spi-dm320.c
+++ b/firmware/target/arm/tms320dm320/spi-dm320.c
@@ -24,18 +24,43 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-
+#include "kernel.h"
#include "system.h"
+#include "spi.h"
+
+#define GIO_TS_ENABLE (1<<2)
+#define GIO_RTC_ENABLE (1<<12)
+
+struct mutex spi_lock;
-#define GIO_TS_ENABLE (1<<2)
-#define clr_gio_enable() IO_GIO_BITSET1=GIO_TS_ENABLE
-#define set_gio_enable() IO_GIO_BITCLR1=GIO_TS_ENABLE
+struct SPI_info {
+ volatile unsigned short *setreg;
+ volatile unsigned short *clrreg;
+ int bit;
+};
+#define reg(a) (PHY_IO_BASE+a)
+struct SPI_info spi_targets[] =
+{
+ [SPI_target_TSC2100] = { reg(0x0594), reg(0x058E), GIO_TS_ENABLE },
+ [SPI_target_RX5X348AB] = { reg(0x058C), reg(0x0592), GIO_RTC_ENABLE },
+};
+
+static void spi_disable_all_targets(void)
+{
+ int i;
+ for(i=0;i<SPI_MAX_TARGETS;i++)
+ {
+ *spi_targets[i].clrreg = spi_targets[i].bit;
+ }
+}
-int spi_block_transfer(const uint8_t *tx_bytes, unsigned int tx_size,
+int spi_block_transfer(enum SPI_target target,
+ const uint8_t *tx_bytes, unsigned int tx_size,
uint8_t *rx_bytes, unsigned int rx_size)
{
+ spinlock_lock(&spi_lock);
/* Activate the slave select pin */
- set_gio_enable();
+ *spi_targets[target].setreg = spi_targets[target].bit;
while (tx_size--)
{
@@ -58,13 +83,15 @@ int spi_block_transfer(const uint8_t *tx_bytes, unsigned int tx_size,
*rx_bytes++ = data & 0xff;
}
- clr_gio_enable();
-
+ *spi_targets[target].clrreg = spi_targets[target].bit;
+
+ spinlock_unlock(&spi_lock);
return 0;
}
void spi_init(void)
{
+ spinlock_init(&spi_lock);
/* Set SCLK idle level = 0 */
IO_SERIAL0_MODE |= (1<<10);
@@ -72,6 +99,9 @@ void spi_init(void)
IO_SERIAL0_TX_ENABLE = 0x0001;
/* Set GIO 18 to output for touch screen slave enable */
- IO_GIO_DIR1&=~GIO_TS_ENABLE;
- clr_gio_enable();
+ IO_GIO_DIR1 &= ~GIO_TS_ENABLE;
+ /* Set GIO 12 to output for rtc slave enable */
+ IO_GIO_DIR0 &= ~GIO_RTC_ENABLE;
+
+ spi_disable_all_targets(); /* make sure only one is ever enabled at a time */
}
diff --git a/firmware/target/arm/tms320dm320/spi-target.h b/firmware/target/arm/tms320dm320/spi-target.h
index 866919dc27..7123fc1c05 100644
--- a/firmware/target/arm/tms320dm320/spi-target.h
+++ b/firmware/target/arm/tms320dm320/spi-target.h
@@ -21,9 +21,17 @@
#define SPI_TARGET_H
#include <inttypes.h>
+#include <stdbool.h>
+
+enum SPI_target {
+ SPI_target_TSC2100 = 0,
+ SPI_target_RX5X348AB,
+ SPI_MAX_TARGETS,
+};
void spi_init(void);
-int spi_block_transfer(const uint8_t *tx_bytes, unsigned int tx_size,
+int spi_block_transfer(enum SPI_target target,
+ const uint8_t *tx_bytes, unsigned int tx_size,
uint8_t *rx_bytes, unsigned int rx_size);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 18:30:26 +0000