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