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

	* Makefile.am: Add the following new drivers: PCI, b1553BRM,
	SpaceWire(GRSPW), CAN (GRCAN,OC_CAN), Raw UART.
	* shared/include/apbuart.h, shared/include/apbuart_pci.h,
	shared/include/apbuart_rasta.h, shared/include/b1553brm.h,
	shared/include/b1553brm_pci.h, shared/include/b1553brm_rasta.h,
	shared/include/debug_defs.h, shared/include/grcan.h,
	shared/include/grcan_rasta.h, shared/include/grcan_spwrtc.h,
	shared/include/grspw.h, shared/include/grspw_pci.h,
	shared/include/grspw_rasta.h, shared/include/occan.h,
	shared/include/occan_pci.h, shared/include/pci.h: New files.

1 files changed, 169 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sparc/shared/include/b1553brm.h b/c/src/lib/libbsp/sparc/shared/include/b1553brm.h
new file mode 100644
index 0000000000..e2d8a29242
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/include/b1553brm.h
@@ -0,0 +1,169 @@
+ /*
+ *  Macros used for brm controller
+ *
+ *  COPYRIGHT (c) 2006.
+ *  Gaisler Research
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ */
+
+#ifndef __B1553BRM_H__
+#define __B1553BRM_H__
+
+#include <ambapp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct brm_reg {
+    volatile unsigned int ctrl;            /* 0x00 */
+    volatile unsigned int oper;            /* 0x04 */
+    volatile unsigned int cur_cmd;         /* 0x08 */
+    volatile unsigned int imask;           /* 0x0C */
+    volatile unsigned int ipend;           /* 0x10 */
+    volatile unsigned int ipoint;          /* 0x14 */
+    volatile unsigned int bit_reg;         /* 0x18 */
+    volatile unsigned int ttag;            /* 0x1C */
+    volatile unsigned int dpoint;          /* 0x20 */
+    volatile unsigned int sw;              /* 0x24 */
+    volatile unsigned int initcount;       /* 0x28 */
+    volatile unsigned int mcpoint;         /* 0x2C */
+    volatile unsigned int mdpoint;         /* 0x30 */
+    volatile unsigned int mbc;             /* 0x34 */
+    volatile unsigned int mfilta;          /* 0x38 */
+    volatile unsigned int mfiltb;          /* 0x3C */
+    volatile unsigned int rt_cmd_leg[16];  /* 0x40-0x80 */
+    volatile unsigned int enhanced;        /* 0x84 */
+    
+    volatile unsigned int dummy[31];
+    
+    volatile unsigned int w_ctrl;          /* 0x100 */
+    volatile unsigned int w_irqctrl;       /* 0x104 */
+    volatile unsigned int w_ahbaddr;       /* 0x108 */
+};
+
+struct bm_msg {
+    unsigned short miw;
+    unsigned short cw1;
+    unsigned short cw2;
+    unsigned short sw1;
+    unsigned short sw2;
+    unsigned short time;
+    unsigned short data[32];
+};
+
+struct rt_msg {
+    unsigned short miw;
+    unsigned short time;
+    unsigned short data[32];
+    unsigned short desc;
+};
+
+/* 
+ * rtaddr[0] and subaddr[0] :  RT address and subaddress (for rt-rt receive addresses)
+ * rtaddr[1] and subaddr[1] :  Only for RT-RT. Transmit addresses.
+ *
+ * wc : word count, or mode code if subaddress 0 or 31.
+ *
+ * ctrl, bit 0 (TR)      : 1 - transmit, 0 - receive. Ignored for rt-rt
+ *       bit 1 (RTRT)    : 1 - rt to rt, 0 - normal
+ *       bit 2 (AB)      : 1 - Bus B, 0 - Bus A    
+ *       bit 4:3 (Retry) : 1 - 1, 2 - 2, 3 - 3, 0 - 4
+ *       bit 5 (END)     : End of list 
+ *       bit 15 (BAME)   : Message error. Set by BRM if protocol error is detected
+ *
+ * tsw[0] : status word
+ * tsw[1] : Only for rt-rt, status word 2
+ *
+ * data : data to be transmitted, or received data
+ *
+ */
+struct bc_msg {
+    unsigned char  rtaddr[2];   
+    unsigned char  subaddr[2];
+    unsigned short wc;
+    unsigned short ctrl;
+    unsigned short tsw[2];
+    unsigned short data[32];
+};
+
+/* BC control bits */
+#define BC_TR     0x0001
+#define BC_RTRT   0x0002
+#define BC_BUSA   0x0004
+#define BC_EOL    0x0020
+#define BC_BAME   0x8000
+
+#define BRM_MBC_IRQ        1                    /* Monitor Block Counter irq */
+#define BRM_CBA_IRQ        2                    /* Command Block Accessed irq */
+#define BRM_RTF_IRQ        4                    /* Retry Fail irq */
+#define BRM_ILLOP_IRQ      8                    /* Illogical Opcode irq */
+#define BRM_BC_ILLCMD_IRQ  16                   /* BC Illocigal Command irq */
+#define BRM_EOL_IRQ        32                   /* End Of List irq */
+#define BRM_RT_ILLCMD_IRQ  128                  /* RT Illegal Command irq */
+#define BRM_IXEQ0_IRQ      256                  /* Index Equal Zero irq */
+#define BRM_BDRCV_IRQ      512                  /* Broadcast Command Received irq */
+#define BRM_SUBAD_IRQ      1024                 /* Subaddress Accessed irq */
+#define BRM_MERR_IRQ       4096                 /* Message Error irq */
+#define BRM_TAPF_IRQ       8192                 /* Terminal Address Parity Fail irq */
+#define BRM_WRAPF_IRQ      16384                /* Wrap Fail irq */
+#define BRM_DMAF_IRQ       32768                /* DMA Fail irq */
+
+
+#define BRM_SET_MODE    0
+#define BRM_SET_BUS     1
+#define BRM_SET_MSGTO   2
+#define BRM_SET_RT_ADDR 3
+#define BRM_SET_STD     4
+#define BRM_SET_BCE     5
+#define BRM_TX_BLOCK    7
+#define BRM_RX_BLOCK    8
+
+#define BRM_DO_LIST     10
+#define BRM_LIST_DONE   11
+
+#define BRM_CLR_STATUS  12
+#define BRM_GET_STATUS  13
+#define BRM_SET_EVENTID 14
+
+#define GET_ERROR_DESCRIPTOR(event_in) (event_in>>16)
+
+
+#define BRM_MODE_BC 0x0
+#define BRM_MODE_RT 0x1
+#define BRM_MODE_BM 0x2
+#define BRM_MODE_BM_RT 0x3 /* both RT and BM */
+
+
+/* Register RAMON FPGA BRM driver, calls brm_register */
+int brm_register_leon3_ramon_fpga(void);
+
+/* Register RAMON ASIC BRM driver, calls brm_register */
+int brm_register_leon3_ramon_asic(void);
+
+#define BRM_FREQ_12MHZ 0
+#define BRM_FREQ_16MHZ 1
+#define BRM_FREQ_20MHZ 2
+#define BRM_FREQ_24MHZ 3
+#define BRM_FREQ_MASK 0x3
+
+#define CLKDIV_MASK 0xf
+
+#define CLKSEL_MASK 0x7
+
+/* Register BRM driver 
+ * See (struct brm_reg).w_ctrl for clksel and clkdiv.
+ * See Enhanced register (the least signinficant 2 bits) in BRM Core for brm_freq
+ * bus = &amba_conf for LEON3. (LEON2 not yet supported for this driver)
+ */
+int b1553brm_register(amba_confarea_type *bus, unsigned int clksel, unsigned int clkdiv, unsigned int brm_freq);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BRM_H__ */