2007-09-06 Daniel Hellstrom <daniel@gaisler.com>

	New drivers: PCI, b1553BRM, SpaceWire(GRSPW), CAN (GRCAN,OC_CAN),
	Raw UART.
	* shared/1553/b1553brm.c, shared/1553/b1553brm_pci.c,
	shared/1553/b1553brm_rasta.c, shared/can/grcan.c,
	shared/can/grcan_rasta.c, shared/can/occan.c, shared/can/occan_pci.c,
	shared/spw/grspw.c, shared/spw/grspw_pci.c, shared/spw/grspw_rasta.c,
	shared/uart/apbuart.c, shared/uart/apbuart_pci.c,
	shared/uart/apbuart_rasta.c: New files missed in previous commit.

1 files changed, 115 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sparc/shared/1553/b1553brm_rasta.c b/c/src/lib/libbsp/sparc/shared/1553/b1553brm_rasta.c
new file mode 100644
index 0000000000..45e619fb0d
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/1553/b1553brm_rasta.c
@@ -0,0 +1,115 @@
+/* Select PCI driver */
+#define B1553BRM_NO_AMBA
+#define B1553BRM_PCI
+
+#undef B1553BRM_MAXDEVS
+
+/* Use only 16K memory */
+#define DMA_MEM_128K
+
+/* Malloced memory or
+ * Card local memory
+ */
+#define B1553BRM_LOCAL_MEM
+
+#define DONT_DEF_RAMON
+
+/* memory must be aligned to a 128k boundary */
+unsigned int brmrasta_memarea_address;
+#define B1553BRM_LOCAL_MEM_ADR brmrasta_memarea_address
+
+/* We have custom address tranlation for HW addresses */
+#define B1553BRM_ADR_TO
+
+/* No custom MEMAREA=>CPU used since BRM Core work with offsets 
+ * in it's descriptors.
+ */
+#undef B1553BRM_ADR_FROM
+
+/* Set registered device name */
+#define B1553BRM_DEVNAME "/dev/brmrasta0"
+#define B1553BRM_DEVNAME_NO(devstr,no) ((devstr)[13]='0'+(no))
+
+/* Any non-static function will begin with */
+#define B1553BRM_PREFIX(name) b1553brmrasta##name
+
+/* do nothing, assume that the interrupt handler is called 
+ * setup externally calling b1553_interrupt_handler.
+ */
+#define B1553BRM_REG_INT(handler,irq,arg) \
+ if ( b1553brm_rasta_int_reg ) \
+   b1553brm_rasta_int_reg(handler,irq,arg);
+
+
+#ifdef B1553BRM_ADR_TO
+/* Translate a address within the Memory Region (memarea) into an Hardware
+ * device address. This address is put into hardware registers or descriptors
+ * so that the hardware can access the Memory Region.
+ * Example:
+ * An local AMBA access at 0xe0000000 will translate into PCI address 0x40000000,
+ * the PCI address 0x40000000 will translate into CPU-AMBA address 0x40000000.
+ */
+unsigned int brmrasta_hw_address;
+static inline unsigned int memarea_to_hw(unsigned int addr) {
+		/* don't translate? */
+		if ( brmrasta_hw_address == 0xffffffff )
+			return addr;
+    return ((addr & 0x0fffffff) | brmrasta_hw_address);
+}
+#endif
+
+/* not used since BRM Core work with offsets */
+#ifdef B1553BRM_ADR_FROM
+unsigned int brmrasta_cpu_access_address;
+static inline unsigned int hw_to_cpu(unsigned int addr) {
+		/* don't translate? */
+		if ( brmrasta_cpu_address == 0xffffffff )
+			return addr;
+    return ((addr & 0x0fffffff) | brmrasta_cpu_address);
+}
+#endif
+
+void (*b1553brm_rasta_int_reg)(void *handler, int irq, void *arg) = 0;
+
+static void b1553brmrasta_interrupt_handler(int irq, void *arg);
+
+#include "b1553brm.c"
+
+/*
+ *
+ * memarea     = preallocated memory somewhere, pointer to start of memory.
+ * hw_address  = how to translate a memarea address into an HW device AMBA address.
+ */
+
+int b1553brm_rasta_register(
+ amba_confarea_type *bus, 
+ unsigned int clksel, 
+ unsigned int clkdiv, 
+ unsigned int brm_freq,
+ unsigned int memarea,
+ unsigned int hw_address
+ )
+{
+	/* Setup configuration */
+	
+	/* if zero the malloc will be used */
+	brmrasta_memarea_address = memarea;
+
+	brmrasta_hw_address = hw_address;
+
+#ifdef B1553BRM_ADR_FROM
+	brmrasta_cpu_address = memarea & 0xf0000000;
+#endif
+	
+	/* Register the driver */
+	return B1553BRM_PREFIX(_register)(bus,clksel,clkdiv,brm_freq);
+}
+
+/* Call this from RASTA interrupt handler 
+ * irq = the irq number of the HW device local to that IRQMP controller
+ * 
+ */
+static void b1553brmrasta_interrupt_handler(int irq, void *arg){
+	brm_interrupt(arg);
+}
+