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Commit a99a59c5 authored by Alessandro Rubini's avatar Alessandro Rubini
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kernel/nic-hardware.h: define our memory map

parent 2ba40c02
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/*
* hardware-specific definitions for the White Rabbit NIC
*
* Copyright (C) 2010 CERN (www.cern.ch)
* Copyright (C) 2010-2012 CERN (www.cern.ch)
* Author: Alessandro Rubini <rubini@gnudd.com>
*
* This program is free software; you can redistribute it and/or modify
......@@ -16,42 +16,49 @@
#define NSEC_PER_TICK (NSEC_PER_SEC / REFCLK_FREQ)
/* The interrupt is one of those managed by our WRVIC device */
#define WRN_IRQ_BASE 192
#define WRN_IRQ_BASE 0 /* FIXME: relative to pci dev */
#define WRN_IRQ_NIC (WRN_IRQ_BASE + 0)
#define WRN_IRQ_TSTAMP (WRN_IRQ_BASE + 1)
#define WRN_IRQ_TSTAMP /* (WRN_IRQ_BASE + 1) -- not used here */
//#define WRN_IRQ_PPSG (WRN_IRQ_BASE + )
//#define WRN_IRQ_RTU (WRN_IRQ_BASE + )
//#define WRN_IRQ_RTUT (WRN_IRQ_BASE + )
/*
* V3 Memory map, temporarily (Jan 2012)
* spec-wr-nic memory map
*
* 0x00000 - 0x1ffff: RT Subsystem
* 0x00000 - 0x0ffff: RT Subsystem Program Memory (16 - 64 kB)
* 0x10000 - 0x100ff: RT Subsystem UART
* 0x10100 - 0x101ff: RT Subsystem SoftPLL-adv
* 0x10200 - 0x102ff: RT Subsystem SPI Master
* 0x10300 - 0x103ff: RT Subsystem GPIO
* 0x10500 - 0x105ff: PPS gen
* 0x20000 - 0x3ffff: NIC
* 0x20000 - 0x20fff NIC control regs and descriptor area
* 0x28000 - 0x2bfff NIC packet buffer (16k)
* 0x30000 - 0x4ffff: Endpoints
* 0x30000 + N * 0x400 Endpoint N control registers
* 0x50000 - 0x50fff: VIC
* 0x51000 - 0x51fff: Tstamp unit
* 0x00000 - 0x1ffff: RT Subsystem (ram etc)
* 0x20000 - 0x200ff: Mini-NIC
* 0x20100 - 0x201ff: Endpoint (not used here)
* 0x20200 - 0x202ff: RT Subsystem SoftPLL-adv
* 0x20300 - 0x203ff: pps generator
* 0x20400 - 0x204ff: syscon
* 0x20500 - 0x205ff: RT Subsystem UART
* 0x20600 - 0x206ff: RT Subsystem Onewire
* 0x20700 - 0x207ff: RT Subsystem Onewire
* 0x40000 - 0x5ffff: WR-NIC
* 0x60000 - 0x600ff: VIC core
* 0x61000 - 0x610ff: timestamping unit
* 0x62200 - 0x622ff: GPIO Port
* 0x62300 - 0x623ff: WR-DIO
*/
/* This is the base address of all the FPGA regions (EBI1, CS0) */
#define FPGA_BASE_PPSG 0x10010500
/* This is the base address of memory regions (gennum bridge, bar 0) */
#define FPGA_BASE_LM32 0x00080000
#define FPGA_SIZE_LM32 0x00010000
#define FPGA_BASE_NIC 0x000a0000
#define FPGA_SIZE_NIC 0x00000100
#define FPGA_BASE_EP 0x000a0100
#define FPGA_SIZE_EP 0x00000100
#define FPGA_SIZE_EACH_EP 0x100 /* There is one only */
#define FPGA_BASE_PPSG 0x000a0300
#define FPGA_SIZE_PPSG 0x00000100
#define FPGA_BASE_NIC 0x10020000
#define FPGA_SIZE_NIC 0x00010000
#define FPGA_BASE_EP 0x10030000
#define FPGA_SIZE_EP 0x00010000
#define FPGA_SIZE_EACH_EP 0x400
#define FPGA_BASE_VIC 0x10050000 /* not used here */
#define FPGA_BASE_VIC 0x000a4000 /* not used here */
#define FPGA_SIZE_VIC 0x00001000
#define FPGA_BASE_TS 0x10051000
#define FPGA_BASE_TS 0x000a8000
#define FPGA_SIZE_TS 0x00001000
enum fpga_blocks {
......@@ -63,14 +70,14 @@ enum fpga_blocks {
};
/* In addition to the above enumeration, we scan for those many endpoints */
#define WRN_NR_ENDPOINTS 18
#define WRN_NR_ENDPOINTS 1
/* 8 tx and 8 rx descriptors */
#define WRN_NR_DESC 8
#define WRN_NR_TXDESC WRN_NR_DESC
#define WRN_NR_RXDESC WRN_NR_DESC
/* Magic number for endpoint */
/* Magic number for endpoint (missing, I fear) */
#define WRN_EP_MAGIC 0xcafebabe
/*
......
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