--- /dev/null
+/*
+ * Copyright (c) 2011 Aeroflex Gaisler
+ *
+ * BSD license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef _LEON3_AMBA_H__
+#define _LEON3_AMBA_H__
+
+#define LEON3_IO_AREA 0xfff00000
+#define LEON3_CONF_AREA 0xff000
+#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)
+
+#define LEON3_AHB_CONF_WORDS 8
+#define LEON3_APB_CONF_WORDS 2
+#define LEON3_AHB_MASTERS 8
+#define LEON3_AHB_SLAVES 8
+#define LEON3_APB_SLAVES 16
+#define LEON3_APBUARTS 8
+
+/* Vendor codes */
+#define VENDOR_GAISLER 1
+#define VENDOR_PENDER 2
+#define VENDOR_ESA 4
+#define VENDOR_OPENCORES 8
+
+/* Gaisler Research device id's */
+#define GAISLER_LEON3 0x003
+#define GAISLER_LEON3DSU 0x004
+#define GAISLER_ETHAHB 0x005
+#define GAISLER_APBMST 0x006
+#define GAISLER_AHBUART 0x007
+#define GAISLER_SRCTRL 0x008
+#define GAISLER_SDCTRL 0x009
+#define GAISLER_APBUART 0x00c
+#define GAISLER_IRQMP 0x00d
+#define GAISLER_AHBRAM 0x00e
+#define GAISLER_GPTIMER 0x011
+#define GAISLER_PCITRG 0x012
+#define GAISLER_PCISBRG 0x013
+#define GAISLER_PCIFBRG 0x014
+#define GAISLER_PCITRACE 0x015
+#define GAISLER_PCIDMA 0x016
+#define GAISLER_AHBTRACE 0x017
+#define GAISLER_ETHDSU 0x018
+#define GAISLER_PIOPORT 0x01A
+#define GAISLER_SPACEWIRE 0x01f
+
+#define GAISLER_ETHMAC 0x01d
+#define GAISLER_EHCI 0x026
+#define GAISLER_UHCI 0x027
+
+#define GAISLER_L2TIME 0xffd /* internal device: leon2 timer */
+#define GAISLER_L2C 0xffe /* internal device: leon2compat */
+#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */
+
+#ifndef __ASSEMBLER__
+
+extern inline char *
+gaisler_device_str (int id)
+{
+ switch (id)
+ {
+ case GAISLER_LEON3:
+ return "GAISLER_LEON3";
+ case GAISLER_LEON3DSU:
+ return "GAISLER_LEON3DSU";
+ case GAISLER_ETHAHB:
+ return "GAISLER_ETHAHB";
+ case GAISLER_APBMST:
+ return "GAISLER_APBMST";
+ case GAISLER_AHBUART:
+ return "GAISLER_AHBUART";
+ case GAISLER_SRCTRL:
+ return "GAISLER_SRCTRL";
+ case GAISLER_SDCTRL:
+ return "GAISLER_SDCTRL";
+ case GAISLER_APBUART:
+ return "GAISLER_APBUART";
+ case GAISLER_IRQMP:
+ return "GAISLER_IRQMP";
+ case GAISLER_AHBRAM:
+ return "GAISLER_AHBRAM";
+ case GAISLER_GPTIMER:
+ return "GAISLER_GPTIMER";
+ case GAISLER_PCITRG:
+ return "GAISLER_PCITRG";
+ case GAISLER_PCISBRG:
+ return "GAISLER_PCISBRG";
+ case GAISLER_PCIFBRG:
+ return "GAISLER_PCIFBRG";
+ case GAISLER_PCITRACE:
+ return "GAISLER_PCITRACE";
+ case GAISLER_AHBTRACE:
+ return "GAISLER_AHBTRACE";
+ case GAISLER_ETHDSU:
+ return "GAISLER_ETHDSU";
+ case GAISLER_PIOPORT:
+ return "GAISLER_PIOPORT";
+ case GAISLER_SPACEWIRE:
+ return "GAISLER_SPACEWIRE";
+
+
+ case GAISLER_L2TIME:
+ return "GAISLER_L2TIME";
+ case GAISLER_L2C:
+ return "GAISLER_L2C";
+ case GAISLER_PLUGPLAY:
+ return "GAISLER_PLUGPLAY";
+
+ default:
+ break;
+ }
+ return 0;
+}
+
+#endif
+
+/* European Space Agency device id's */
+#define ESA_LEON2 0x002
+#define ESA_MCTRL 0x00f
+
+#ifndef __ASSEMBLER__
+
+extern inline char *
+esa_device_str (int id)
+{
+ switch (id)
+ {
+ case ESA_LEON2:
+ return "ESA_LEON2";
+ case ESA_MCTRL:
+ return "ESA_MCTRL";
+ default:
+ break;
+ }
+ return 0;
+}
+
+#endif
+
+/* Opencores device id's */
+#define OPENCORES_PCIBR 0x4
+#define OPENCORES_ETHMAC 0x5
+
+#ifndef __ASSEMBLER__
+
+extern inline char *
+opencores_device_str (int id)
+{
+ switch (id)
+ {
+ case OPENCORES_PCIBR:
+ return "OPENCORES_PCIBR";
+ case OPENCORES_ETHMAC:
+ return "OPENCORES_ETHMAC";
+ default:
+ break;
+ }
+ return 0;
+}
+
+extern inline char *
+device_id2str (int vendor, int id)
+{
+ switch (vendor)
+ {
+ case VENDOR_GAISLER:
+ return gaisler_device_str (id);
+ case VENDOR_ESA:
+ return esa_device_str (id);
+ case VENDOR_OPENCORES:
+ return opencores_device_str (id);
+ case VENDOR_PENDER:
+ default:
+ break;
+ }
+ return 0;
+}
+
+extern inline char *
+vendor_id2str (int vendor)
+{
+ switch (vendor)
+ {
+ case VENDOR_GAISLER:
+ return "VENDOR_GAISLER";
+ case VENDOR_ESA:
+ return "VENDOR_ESA";
+ case VENDOR_OPENCORES:
+ return "VENDOR_OPENCORES";
+ case VENDOR_PENDER:
+ return "VENDOR_PENDER";
+ default:
+ break;
+ }
+ return 0;
+}
+
+#endif
+
+/* Vendor codes */
+
+/*
+ *
+ * Macros for manipulating Configuration registers
+ *
+ */
+
+#define LEON3_BYPASS_LOAD_PA(x) (*((unsigned long*)x))
+#define LEON3_BYPASS_STORE_PA(x,v) (*((unsigned long*)x) = (v))
+
+#define amba_get_confword(tab, index, word) (*((tab).addr[(index)]+(word)))
+
+#define amba_vendor(x) (((x) >> 24) & 0xff)
+
+#define amba_device(x) (((x) >> 12) & 0xfff)
+
+#define amba_ahb_get_membar(tab, index, nr) (*((tab).addr[(index)]+4+(nr)))
+
+#define amba_apb_get_membar(tab, index) (*((tab).addr[(index)]+1))
+
+#define amba_membar_start(mbar) (((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))
+
+#define amba_iobar_start(base, iobar) ((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )
+
+#define amba_irq(conf) ((conf) & 0xf)
+
+#define amba_membar_type(mbar) ((mbar) & 0xf)
+
+#define AMBA_TYPE_APBIO 0x1
+#define AMBA_TYPE_MEM 0x2
+#define AMBA_TYPE_AHBIO 0x3
+
+#define AMBA_TYPE_AHBIO_ADDR(addr) (LEON3_IO_AREA | ((addr) >> 12))
+
+
+
+
+
+
+#ifndef __ASSEMBLER__
+
+/*
+ * The following defines the bits in the LEON UART Status Registers.
+ */
+
+#define LEON_REG_UART_STATUS_DR 0x00000001 /* Data Ready */
+#define LEON_REG_UART_STATUS_TSE 0x00000002 /* TX Send Register Empty */
+#define LEON_REG_UART_STATUS_THE 0x00000004 /* TX Hold Register Empty */
+#define LEON_REG_UART_STATUS_BR 0x00000008 /* Break Error */
+#define LEON_REG_UART_STATUS_OE 0x00000010 /* RX Overrun Error */
+#define LEON_REG_UART_STATUS_PE 0x00000020 /* RX Parity Error */
+#define LEON_REG_UART_STATUS_FE 0x00000040 /* RX Framing Error */
+#define LEON_REG_UART_STATUS_ERR 0x00000078 /* Error Mask */
+
+/*
+ * The following defines the bits in the LEON UART Ctrl Registers.
+ */
+
+#define LEON_REG_UART_CTRL_RE 0x00000001 /* Receiver enable */
+#define LEON_REG_UART_CTRL_TE 0x00000002 /* Transmitter enable */
+#define LEON_REG_UART_CTRL_RI 0x00000004 /* Receiver interrupt enable */
+#define LEON_REG_UART_CTRL_TI 0x00000008 /* Transmitter interrupt enable */
+#define LEON_REG_UART_CTRL_PS 0x00000010 /* Parity select */
+#define LEON_REG_UART_CTRL_PE 0x00000020 /* Parity enable */
+#define LEON_REG_UART_CTRL_FL 0x00000040 /* Flow control enable */
+#define LEON_REG_UART_CTRL_LB 0x00000080 /* Loop Back enable */
+
+#define LEON3_GPTIMER_EN 1
+#define LEON3_GPTIMER_RL 2
+#define LEON3_GPTIMER_LD 4
+#define LEON3_GPTIMER_IRQEN 8
+#define LEON3_GPTIMER_IP 0x10
+
+#define LEON3_GPTIMER_CONFIG_TIMERMASK 0x7
+#define LEON3_GPTIMER_CONFIG_SEPERATE (1<<8)
+
+typedef struct
+{
+ volatile unsigned int ilevel;
+ volatile unsigned int ipend;
+ volatile unsigned int iforce;
+ volatile unsigned int iclear;
+ volatile unsigned int notused00;
+ volatile unsigned int notused01;
+ volatile unsigned int notused02;
+ volatile unsigned int notused03;
+ volatile unsigned int notused10;
+ volatile unsigned int notused11;
+ volatile unsigned int notused12;
+ volatile unsigned int notused13;
+ volatile unsigned int notused20;
+ volatile unsigned int notused21;
+ volatile unsigned int notused22;
+ volatile unsigned int notused23;
+ volatile unsigned int mask[16];
+} LEON3_IrqCtrl_Regs_Map;
+extern volatile LEON3_IrqCtrl_Regs_Map *LEON3_IrqCtrl_Regs; /* in amba.c */
+
+typedef struct
+{
+ volatile unsigned int data;
+ volatile unsigned int status;
+ volatile unsigned int ctrl;
+ volatile unsigned int scaler;
+} LEON23_APBUART_Regs_Map;
+extern volatile LEON23_APBUART_Regs_Map *leon23_uarts[2]; /* in console.c */
+extern unsigned int leon23_irqs[2]; /* in console.c */
+
+typedef struct
+{
+ volatile unsigned int val;
+ volatile unsigned int rld;
+ volatile unsigned int ctrl;
+ volatile unsigned int unused;
+} LEON3_GpTimerElem_Regs_Map;
+
+
+typedef struct
+{
+ volatile unsigned int scalar;
+ volatile unsigned int scalar_reload;
+ volatile unsigned int config;
+ volatile unsigned int unused;
+ volatile LEON3_GpTimerElem_Regs_Map e[8];
+} LEON3_GpTimer_Regs_Map;
+#define LEON3_GPTIMER_CONFIG_NRTIMERS(c) ((c)->config & 0x7)
+int Timer_getTimer1 (unsigned int **count, unsigned int **reload, unsigned int **ctrl); /* in timer.c */
+int Timer_getTimer2 (unsigned int **count, unsigned int **reload, unsigned int **ctrl); /* in timer.c */
+extern volatile LEON3_GpTimer_Regs_Map *LEON3_GpTimer_Regs;
+extern unsigned long LEON3_GpTimer_Irq;
+
+typedef struct
+{
+ volatile unsigned int iodata;
+ volatile unsigned int ioout;
+ volatile unsigned int iodir;
+ volatile unsigned int irqmask;
+ volatile unsigned int irqpol;
+ volatile unsigned int irqedge;
+} LEON3_IOPORT_Regs_Map;
+
+
+/*
+ * Types and structure used for AMBA Plug & Play bus scanning
+ */
+extern int amba_init_done;
+
+#define AMBA_MAXAPB_DEVS 64
+#define AMBA_MAXAPB_DEVS_PERBUS 16
+
+typedef struct amba_device_table
+{
+ int devnr; /* numbrer of devices on AHB or APB bus */
+ unsigned int *addr[16]; /* addresses to the devices configuration tables */
+ unsigned int allocbits[1]; /* 0=unallocated, 1=allocated driver */
+} amba_device_table;
+
+typedef struct amba_apbslv_device_table
+{
+ int devnr; /* number of devices on AHB or APB bus */
+ unsigned int *addr[AMBA_MAXAPB_DEVS]; /* addresses to the devices configuration tables */
+ unsigned int apbmst[AMBA_MAXAPB_DEVS]; /* apb master if a entry is a apb slave */
+ unsigned int apbmstidx[AMBA_MAXAPB_DEVS]; /* apb master idx if a entry is a apb slave */
+ unsigned int allocbits[4]; /* 0=unallocated, 1=allocated driver */
+} amba_apbslv_device_table;
+
+typedef struct amba_confarea_type
+{
+ amba_device_table ahbmst;
+ amba_device_table ahbslv;
+ amba_apbslv_device_table apbslv;
+ /*unsigned int apbmst; */
+} amba_confarea_type;
+
+
+extern unsigned long amba_find_apbslv_addr (unsigned long vendor,
+ unsigned long device,
+ unsigned long *irq);
+
+// collect apb slaves
+typedef struct amba_apb_device
+{
+ unsigned int start, irq;
+} amba_apb_device;
+extern int amba_get_free_apbslv_devices (int vendor, int device,
+ amba_apb_device * dev, int nr);
+
+// collect ahb slaves
+typedef struct amba_ahb_device
+{
+ unsigned int start[4], irq;
+} amba_ahb_device;
+extern int amba_get_free_ahbslv_devices (int vendor, int device,
+ amba_ahb_device * dev, int nr);
+
+
+/*amba_scan.c*/
+unsigned int leon3_getapbbase (register unsigned int vendor,
+ register unsigned int driver,
+ amba_apb_device * apbdevs, int c);
+
+#endif //!__ASSEMBLER__
+
+
+
+
+
+#endif
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