ns_dev_can.c added for FPGA version of C_CAN ARM device

[lincan.git] / lincan / include / ns_dev_can.h

diff --git a/lincan/include/ns_dev_can.h b/lincan/include/ns_dev_can.h
new file mode 100644 (file)
index 0000000..79be115
--- /dev/null
+++ b/lincan/include/ns_dev_can.h
@@ -0,0 +1,38 @@
+/* ns_dev_can.h - FPGA version of C_CAN ARM device specific code
+ * Linux CAN-bus device driver.
+ * Written by Sebastian Stolzenberg email:stolzi@sebastian-stolzenberg.de
+ * Based on code from Arnaud Westenberg email:arnaud@wanadoo.nl
+ * and Ake Hedman, eurosource, akhe@eurosource.se
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * Ported to FS Forth-Systeme GmbH A9M9750DEVx development boards
+ * email:nbryan@embebidos.com
+ * This software is released under the GPL-License.
+ * Version lincan-0.3  17 Jun 2004
+ * This port 19 May 2005
+ *
+ */
+
+#ifndef __NS_DEV_CAN__
+#define __NS_DEV_CAN__
+
+int ns_dev_init_hw_data(struct candevice_t *candev);
+int ns_dev_init_chip_data(struct candevice_t *candev, int chipnr);
+int ns_dev_request_io(struct candevice_t *candev);
+int ns_dev_release_io(struct candevice_t *candev);
+int ns_dev_reset(struct candevice_t *candev);
+void ns_dev_write_register(unsigned data, unsigned long address);
+unsigned ns_dev_read_register(unsigned long address);
+
+int ns_dev_init_obj_data(struct canchip_t *chip, int objnr);
+int ns_dev_program_irq(struct candevice_t *candev);
+
+#define NS9750_PERIPHERAL_BASE_ADDRESS    0xA0700000
+#define NS9750_PERIPHERAL_MAP_SIZE        0x400
+#define NS9750_SYSTEM_CONTROLLER_OFFSET   0x240
+
+#define BUS_WIDTH_16BIT                   1
+#define ACTIVE_LOW_CHIP_SELECT            (1<<7)
+
+#define C_CAN_CLOCK_INPUT_FREQUENCY       20000000
+
+#endif /* __NS_DEV_CAN__ */