diff options
Diffstat (limited to 'firmware/zpu')
| -rw-r--r-- | firmware/zpu/apps/txrx_uhd.c | 150 | ||||
| -rw-r--r-- | firmware/zpu/lib/eth_mac_regs.h | 62 | ||||
| -rw-r--r-- | firmware/zpu/lib/memory_map.h (renamed from firmware/zpu/usrp2p/memory_map.h) | 360 | ||||
| -rw-r--r-- | firmware/zpu/lib/net_common.c | 108 | ||||
| -rw-r--r-- | firmware/zpu/lib/net_common.h | 21 | ||||
| -rw-r--r-- | firmware/zpu/usrp2/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | firmware/zpu/usrp2/ethernet.c | 2 | ||||
| -rw-r--r-- | firmware/zpu/usrp2/memory_map.h | 578 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/init_bootloader.c | 29 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/ethernet.c | 2 |
10 files changed, 266 insertions, 1048 deletions
diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c index 68c24e872..12f173f5c 100644 --- a/firmware/zpu/apps/txrx_uhd.c +++ b/firmware/zpu/apps/txrx_uhd.c @@ -1,8 +1,5 @@ -// -// Copyright 2010-2011 Ettus Research LLC -// /* - * Copyright 2007,2008 Free Software Foundation, Inc. + * Copyright 2010-2011 Ettus Research LLC * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,94 +15,58 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <lwip/ip.h> -#include <lwip/udp.h> +//peripheral headers #include "u2_init.h" -#include "memory_map.h" #include "spi.h" +#include "i2c.h" #include "hal_io.h" #include "pic.h" -#include <stdbool.h> -#include "ethernet.h" + +//printf headers #include "nonstdio.h" -#include <net/padded_eth_hdr.h> -#include <net_common.h> -#include "memcpy_wa.h" -#include <stddef.h> -#include <stdlib.h> -#include <string.h> -#include "clocks.h" + +//network headers +#include "arp_cache.h" +#include "ethernet.h" +#include "net_common.h" #include "usrp2/fw_common.h" -#include <i2c.h> -#include <ethertype.h> -#include <arp_cache.h> #include "udp_fw_update.h" #include "pkt_ctrl.h" -#include "banal.h" -static void setup_network(void); +//standard headers +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <stdbool.h> -// ---------------------------------------------------------------- -// the fast-path setup global variables -// ---------------------------------------------------------------- -static eth_mac_addr_t fp_mac_addr_src, fp_mac_addr_dst; -struct socket_address fp_socket_src, fp_socket_dst; extern uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; -static void handle_udp_err0_packet( +static void handle_udp_data_packet( struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len ){ - sr_udp_sm->err0_port = (((uint32_t)dst.port) << 16) | src.port; - err0_dst_port = src.port; - printf("Storing for async error path:\n"); - printf(" source udp port: %d\n", dst.port); - printf(" destination udp port: %d\n", src.port); - newline(); -} + size_t which; + switch(dst.port){ + case USRP2_UDP_DSP0_PORT: + which = 0; + dsp0_dst_port = src.port; + break; -static void handle_udp_dsp1_packet( - struct socket_address src, struct socket_address dst, - unsigned char *payload, int payload_len -){ - sr_udp_sm->dsp1_port = (((uint32_t)dst.port) << 16) | src.port; - dsp1_dst_port = src.port; - printf("Storing for dsp1 path:\n"); - printf(" source udp port: %d\n", dst.port); - printf(" destination udp port: %d\n", src.port); - newline(); -} + case USRP2_UDP_DSP1_PORT: + which = 2; + dsp1_dst_port = src.port; + break; -static void handle_udp_dsp0_packet( - struct socket_address src, struct socket_address dst, - unsigned char *payload, int payload_len -){ - fp_mac_addr_src = *ethernet_mac_addr(); - arp_cache_lookup_mac(&src.addr, &fp_mac_addr_dst); - fp_socket_src = dst; - fp_socket_dst = src; - sr_udp_sm->dsp0_port = (((uint32_t)dst.port) << 16) | src.port; - dsp0_dst_port = src.port; - printf("Storing for dsp0 path:\n"); - printf(" source mac addr: "); - print_mac_addr(&fp_mac_addr_src); newline(); - printf(" source ip addr: "); - print_ip_addr(&fp_socket_src.addr); newline(); - printf(" source udp port: %d\n", fp_socket_src.port); - printf(" destination mac addr: "); - print_mac_addr(&fp_mac_addr_dst); newline(); - printf(" destination ip addr: "); - print_ip_addr(&fp_socket_dst.addr); newline(); - printf(" destination udp port: %d\n", fp_socket_dst.port); - newline(); - - //setup network - setup_network(); + case USRP2_UDP_ERR0_PORT: + which = 1; + err0_dst_port = src.port; + break; + + default: return; + } + eth_mac_addr_t eth_mac_host; arp_cache_lookup_mac(&src.addr, ð_mac_host); + setup_framer(eth_mac_host, *ethernet_mac_addr(), src, dst, which); } #define OTW_GPIO_BANK_TO_NUM(bank) \ @@ -278,6 +239,7 @@ static void handle_udp_ctrl_packet( send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); } +#include <net/padded_eth_hdr.h> static void handle_inp_packet(uint32_t *buff, size_t num_lines){ //test if its an ip recovery packet @@ -318,40 +280,6 @@ void link_changed_callback(int speed){ } } -static void setup_network(void){ - - //setup ethernet header machine - sr_udp_sm->eth_hdr.mac_dst_0_1 = (fp_mac_addr_dst.addr[0] << 8) | fp_mac_addr_dst.addr[1]; - sr_udp_sm->eth_hdr.mac_dst_2_3 = (fp_mac_addr_dst.addr[2] << 8) | fp_mac_addr_dst.addr[3]; - sr_udp_sm->eth_hdr.mac_dst_4_5 = (fp_mac_addr_dst.addr[4] << 8) | fp_mac_addr_dst.addr[5]; - sr_udp_sm->eth_hdr.mac_src_0_1 = (fp_mac_addr_src.addr[0] << 8) | fp_mac_addr_src.addr[1]; - sr_udp_sm->eth_hdr.mac_src_2_3 = (fp_mac_addr_src.addr[2] << 8) | fp_mac_addr_src.addr[3]; - sr_udp_sm->eth_hdr.mac_src_4_5 = (fp_mac_addr_src.addr[4] << 8) | fp_mac_addr_src.addr[5]; - sr_udp_sm->eth_hdr.ether_type = ETHERTYPE_IPV4; - - //setup ip header machine - unsigned int chksum = 0; - sr_udp_sm->ip_hdr.ver_ihl_tos = CHKSUM(0x4500, &chksum); // IPV4, 5 words of header (20 bytes), TOS=0 - sr_udp_sm->ip_hdr.total_length = UDP_SM_INS_IP_LEN; // Don't checksum this line in SW - sr_udp_sm->ip_hdr.identification = CHKSUM(0x0000, &chksum); // ID - sr_udp_sm->ip_hdr.flags_frag_off = CHKSUM(0x4000, &chksum); // don't fragment - sr_udp_sm->ip_hdr.ttl_proto = CHKSUM(0x2011, &chksum); // TTL=32, protocol = UDP (17 decimal) - //sr_udp_sm->ip_hdr.checksum .... filled in below - uint32_t src_ip_addr = fp_socket_src.addr.addr; - uint32_t dst_ip_addr = fp_socket_dst.addr.addr; - sr_udp_sm->ip_hdr.src_addr_high = CHKSUM(src_ip_addr >> 16, &chksum); // IP src high - sr_udp_sm->ip_hdr.src_addr_low = CHKSUM(src_ip_addr & 0xffff, &chksum); // IP src low - sr_udp_sm->ip_hdr.dst_addr_high = CHKSUM(dst_ip_addr >> 16, &chksum); // IP dst high - sr_udp_sm->ip_hdr.dst_addr_low = CHKSUM(dst_ip_addr & 0xffff, &chksum); // IP dst low - sr_udp_sm->ip_hdr.checksum = UDP_SM_INS_IP_HDR_CHKSUM | (chksum & 0xffff); - - //setup the udp header machine - sr_udp_sm->udp_hdr.src_port = UDP_SM_INS_UDP_SRC_PORT; - sr_udp_sm->udp_hdr.dst_port = UDP_SM_INS_UDP_DST_PORT; - sr_udp_sm->udp_hdr.length = UDP_SM_INS_UDP_LEN; - sr_udp_sm->udp_hdr.checksum = UDP_SM_LAST_WORD; // zero UDP checksum -} - int main(void) { @@ -370,9 +298,9 @@ main(void) //2) register callbacks for udp ports we service init_udp_listeners(); register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet); - register_udp_listener(USRP2_UDP_DSP0_PORT, handle_udp_dsp0_packet); - register_udp_listener(USRP2_UDP_ERR0_PORT, handle_udp_err0_packet); - register_udp_listener(USRP2_UDP_DSP1_PORT, handle_udp_dsp1_packet); + register_udp_listener(USRP2_UDP_DSP0_PORT, handle_udp_data_packet); + register_udp_listener(USRP2_UDP_ERR0_PORT, handle_udp_data_packet); + register_udp_listener(USRP2_UDP_DSP1_PORT, handle_udp_data_packet); #ifdef USRP2P register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet); #endif diff --git a/firmware/zpu/lib/eth_mac_regs.h b/firmware/zpu/lib/eth_mac_regs.h deleted file mode 100644 index d680f8de0..000000000 --- a/firmware/zpu/lib/eth_mac_regs.h +++ /dev/null @@ -1,62 +0,0 @@ -/* -*- c -*- */ -/* - * Copyright 2007 Free Software Foundation, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef INCLUDED_ETH_MAC_REGS_H -#define INCLUDED_ETH_MAC_REGS_H - -/* - * Simple GEMAC - * - */ -typedef struct { - volatile int settings; - volatile int ucast_hi; - volatile int ucast_lo; - volatile int mcast_hi; - volatile int mcast_lo; - volatile int miimoder; - volatile int miiaddress; - volatile int miitx_data; - volatile int miicommand; - volatile int miistatus; - volatile int miirx_data; - volatile int pause_time; - volatile int pause_thresh; -} eth_mac_regs_t; - -// settings register -#define MAC_SET_PAUSE_EN (1 << 0) // Makes us respect received pause frames (normally on) -#define MAC_SET_PASS_ALL (1 << 1) // Enables promiscuous mode, currently broken -#define MAC_SET_PASS_PAUSE (1 << 2) // Sends pause frames through (normally off) -#define MAC_SET_PASS_BCAST (1 << 3) // Sends broadcast frames through (normally on) -#define MAC_SET_PASS_MCAST (1 << 4) // Sends multicast frames that match mcast addr (normally off) -#define MAC_SET_PASS_UCAST (1 << 5) // Sends unicast (normal) frames through if they hit in address filter (normally on) -#define MAC_SET_PAUSE_SEND_EN (1 << 6) // Enables sending pause frames - -// miicommand register -#define MIIC_SCANSSTAT (1 << 0) // Scan status -#define MIIC_RSTAT (1 << 1) // Read status -#define MIIC_WCTRLDATA (1 << 2) // Write control data - -// miistatus register -#define MIIS_LINKFAIL (1 << 0) // The link failed -#define MIIS_BUSY (1 << 1) // The MII is busy (operation in progress) -#define MIIS_NVALID (1 << 2) // The data in the status register is invalid - // This it is only valid when the scan status is active. - -#endif /* INCLUDED_ETH_MAC_REGS_H */ diff --git a/firmware/zpu/usrp2p/memory_map.h b/firmware/zpu/lib/memory_map.h index 2567a4588..938cf7776 100644 --- a/firmware/zpu/usrp2p/memory_map.h +++ b/firmware/zpu/lib/memory_map.h @@ -21,34 +21,33 @@ #include <stdint.h> - -#define MASTER_CLK_RATE 100000000 // 100 MHz - - -//////////////////////////////////////////////////////////////// -// -// Memory map for embedded wishbone bus -// -//////////////////////////////////////////////////////////////// - -//////////////////////////////////////////////////////////////// -// Boot RAM, Slave 0 - -#define BOOTRAM_BASE 0x0000 - - -//////////////////////////////////////////////////////////////// -// Packet Router RAM, Slave 1 -// -// The buffers themselves are located in Slave 1, Packet Router RAM. -// The status registers are in Slave 5, Packet Router Status. -// The control register is in Slave 7, Settings Bus. - -#define ROUTER_RAM_BASE 0x4000 +#define MASTER_CLK_RATE 100000000 // 100 MHz + +//////////////////////////////////////////////////////////////////////// +// Define slave bases +//////////////////////////////////////////////////////////////////////// +#define ROUTER_RAM_BASE 0x4000 +#define SPI_BASE 0x5000 +#define I2C_BASE 0x5400 +#define GPIO_BASE 0x5800 +#define READBACK_BASE 0x5C00 +#define ETH_BASE 0x6000 +#define SETTING_REGS_BASE 0x7000 +#define PIC_BASE 0x8000 +#define UART_BASE 0x8800 +#define ATR_BASE 0x8C00 +#ifdef USRP2 +#define SDSPI_BASE 0xB000 +#endif +#ifdef USRP2P +#define ICAP_BASE 0xA000 +#define SPIF_BASE 0xB000 +#define RAM_BASE 0xC000 +#endif ///////////////////////////////////////////////////// // SPI Core, Slave 2. See core docs for more info -#define SPI_BASE 0x6000 // Base address (16-bit) is base peripheral addr +///////////////////////////////////////////////////// typedef struct { volatile uint32_t txrx0; @@ -62,7 +61,6 @@ typedef struct { #define spi_regs ((spi_regs_t *) SPI_BASE) - // Masks for controlling different peripherals #define SPI_SS_AD9510 1 #define SPI_SS_AD9777 2 @@ -85,9 +83,7 @@ typedef struct { //////////////////////////////////////////////// // I2C, Slave 3 -// See Wishbone I2C-Master Core Specification. - -#define I2C_BASE 0x6100 +//////////////////////////////////////////////// typedef struct { volatile uint32_t prescaler_lo; // r/w @@ -123,37 +119,9 @@ typedef struct { #define I2C_ST_TIP (1 << 1) // Transfer-in-progress #define I2C_ST_IP (1 << 0) // Interrupt pending - -//////////////////////////////////////////////// -// GPIO, Slave 4 -// -// These go to the daughterboard i/o pins - -#define GPIO_BASE 0x6200 - -typedef struct { - volatile uint32_t io; // tx data in high 16, rx in low 16 - volatile uint32_t ddr; // 32 bits, 1 means output. tx in high 16, rx in low 16 - volatile uint32_t tx_sel; // 16 2-bit fields select which source goes to TX DB - volatile uint32_t rx_sel; // 16 2-bit fields select which source goes to RX DB -} gpio_regs_t; - -// each 2-bit sel field is layed out this way -#define GPIO_SEL_SW 0 // if pin is an output, set by software in the io reg -#define GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic -#define GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric -#define GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric - -#define gpio_base ((gpio_regs_t *) GPIO_BASE) - /////////////////////////////////////////////////// // Packet Router Status, Slave 5 -// -// The buffers themselves are located in Slave 1, Packet Router RAM. -// The status registers are in Slave 5, Packet Router Status. -// The control register is in Slave 7, Settings Bus. - -#define ROUTER_STATUS_BASE 0x6300 +/////////////////////////////////////////////////// typedef struct { volatile uint32_t _padding[8]; @@ -165,9 +133,7 @@ typedef struct { volatile uint32_t irqs; } router_status_t; -#define router_status ((router_status_t *) ROUTER_STATUS_BASE) - -#define BUTTON_PUSHED ((router_status->irqs & PIC_BUTTON) ? 0 : 1) +#define router_status ((router_status_t *) READBACK_BASE) // The hw_config register @@ -195,10 +161,43 @@ hwconfig_wishbone_divisor(void) /////////////////////////////////////////////////// // Ethernet Core, Slave 6 +/////////////////////////////////////////////////// -#define ETH_BASE 0x6400 - -#include "eth_mac_regs.h" +typedef struct { + volatile int settings; + volatile int ucast_hi; + volatile int ucast_lo; + volatile int mcast_hi; + volatile int mcast_lo; + volatile int miimoder; + volatile int miiaddress; + volatile int miitx_data; + volatile int miicommand; + volatile int miistatus; + volatile int miirx_data; + volatile int pause_time; + volatile int pause_thresh; +} eth_mac_regs_t; + +// settings register +#define MAC_SET_PAUSE_EN (1 << 0) // Makes us respect received pause frames (normally on) +#define MAC_SET_PASS_ALL (1 << 1) // Enables promiscuous mode, currently broken +#define MAC_SET_PASS_PAUSE (1 << 2) // Sends pause frames through (normally off) +#define MAC_SET_PASS_BCAST (1 << 3) // Sends broadcast frames through (normally on) +#define MAC_SET_PASS_MCAST (1 << 4) // Sends multicast frames that match mcast addr (normally off) +#define MAC_SET_PASS_UCAST (1 << 5) // Sends unicast (normal) frames through if they hit in address filter (normally on) +#define MAC_SET_PAUSE_SEND_EN (1 << 6) // Enables sending pause frames + +// miicommand register +#define MIIC_SCANSSTAT (1 << 0) // Scan status +#define MIIC_RSTAT (1 << 1) // Read status +#define MIIC_WCTRLDATA (1 << 2) // Write control data + +// miistatus register +#define MIIS_LINKFAIL (1 << 0) // The link failed +#define MIIS_BUSY (1 << 1) // The MII is busy (operation in progress) +#define MIIS_NVALID (1 << 2) // The data in the status register is invalid + // This it is only valid when the scan status is active. #define eth_mac ((eth_mac_regs_t *) ETH_BASE) @@ -207,26 +206,26 @@ hwconfig_wishbone_divisor(void) // // Output-only from processor point-of-view. // 1KB of address space (== 256 32-bit write-only regs) +//////////////////////////////////////////////////// + +#define SR_MISC 0 // 7 regs +#define SR_SIMTIMER 8 // 2 +#define SR_TIME64 10 // 6 +#define SR_BUF_POOL 16 // 4 +#define SR_RX_FRONT 24 // 5 +#define SR_RX_CTRL0 32 // 9 +#define SR_RX_DSP0 48 // 7 +#define SR_RX_CTRL1 80 // 9 +#define SR_RX_DSP1 96 // 7 -#define MISC_OUTPUT_BASE 0x5000 +#define SR_TX_FRONT 128 // ? +#define SR_TX_CTRL 144 // 6 +#define SR_TX_DSP 160 // 5 -#define SR_MISC 0 -#define SR_TX_PROT_ENG 32 -#define SR_RX_PROT_ENG 48 -#define SR_ROUTER_CTRL 64 -#define SR_UDP_SM 96 -#define SR_TX_DSP 208 -#define SR_TX_CTRL 224 -#define SR_RX_DSP0 160 -#define SR_RX_DSP1 240 -#define SR_RX_CTRL0 176 -#define SR_RX_CTRL1 32 -#define SR_TIME64 192 -#define SR_SIMTIMER 198 -#define SR_LAST 255 +#define SR_UDP_SM 192 // 64 -#define _SR_ADDR(sr) (MISC_OUTPUT_BASE + (sr) * sizeof(uint32_t)) +#define _SR_ADDR(sr) (SETTING_REGS_BASE + (sr) * sizeof(uint32_t)) #define SR_ADDR_BLDRDONE _SR_ADDR(5) @@ -239,20 +238,19 @@ typedef struct { volatile uint32_t iface_ctrl; } router_ctrl_t; -#define router_ctrl ((router_ctrl_t *) _SR_ADDR(SR_ROUTER_CTRL)) +#define router_ctrl ((router_ctrl_t *) _SR_ADDR(SR_BUF_POOL)) // --- misc outputs --- typedef struct { - volatile uint32_t clk_ctrl; - volatile uint32_t serdes_ctrl; - volatile uint32_t adc_ctrl; - volatile uint32_t leds; - volatile uint32_t phy_ctrl; // LSB is reset line to eth phy - volatile uint32_t debug_mux_ctrl; - volatile uint32_t ram_page; // FIXME should go somewhere else... - volatile uint32_t flush_icache; // Flush the icache - volatile uint32_t led_src; // HW or SW control for LEDs + volatile uint32_t clk_ctrl; + volatile uint32_t serdes_ctrl; + volatile uint32_t adc_ctrl; + volatile uint32_t leds; + volatile uint32_t phy_ctrl; // LSB is reset line to eth phy + volatile uint32_t debug_mux_ctrl; + volatile uint32_t led_src; // HW or SW control for LEDs + volatile uint32_t flush_icache; // Flush the icache } output_regs_t; #define CLK_RESET (1<<4) @@ -277,73 +275,17 @@ typedef struct { // LED_F // controlled by CPLD #define LED_RJ45 (1 << 5) -#define output_regs ((output_regs_t *) MISC_OUTPUT_BASE) +#define output_regs ((output_regs_t *) SETTING_REGS_BASE) -// --- udp tx regs --- +// --- protocol framer regs --- -typedef struct { - // Bits 19:16 are control info; bits 15:0 are data (see below) - // First two words are unused. - volatile uint32_t _nope[2]; - //--- ethernet header - 14 bytes--- - volatile struct{ - uint32_t mac_dst_0_1; //word 2 - uint32_t mac_dst_2_3; - uint32_t mac_dst_4_5; - uint32_t mac_src_0_1; - uint32_t mac_src_2_3; - uint32_t mac_src_4_5; - uint32_t ether_type; //word 8 - } eth_hdr; - //--- ip header - 20 bytes --- - volatile struct{ - uint32_t ver_ihl_tos; //word 9 - uint32_t total_length; - uint32_t identification; - uint32_t flags_frag_off; - uint32_t ttl_proto; - uint32_t checksum; - uint32_t src_addr_high; - uint32_t src_addr_low; - uint32_t dst_addr_high; - uint32_t dst_addr_low; //word 18 - } ip_hdr; - //--- udp header - 8 bytes --- - volatile struct{ - uint32_t src_port; //word 19 - uint32_t dst_port; - uint32_t length; - uint32_t checksum; //word 22 - } udp_hdr; - volatile uint32_t _pad[1]; - volatile uint32_t dsp0_port; - volatile uint32_t err0_port; - volatile uint32_t dsp1_port; - volatile uint32_t err1_port; -} sr_udp_sm_t; - -// control bits (all expect UDP_SM_LAST_WORD are mutually exclusive) - -// Insert a UDP source port from the table -#define UDP_SM_INS_UDP_SRC_PORT (1 << 21) - -// Insert a UDP dest port from the table -#define UDP_SM_INS_UDP_DST_PORT (1 << 20) - -// This is the last word of the header -#define UDP_SM_LAST_WORD (1 << 19) - -// Insert IP header checksum here. Data is the xor of 16'hFFFF and -// the values written into regs 9-13 and 15-18. -#define UDP_SM_INS_IP_HDR_CHKSUM (1 << 18) - -// Insert IP Length here (data ignored) -#define UDP_SM_INS_IP_LEN (1 << 17) - -// Insert UDP Length here (data ignore) -#define UDP_SM_INS_UDP_LEN (1 << 16) - -#define sr_udp_sm ((sr_udp_sm_t *) _SR_ADDR(SR_UDP_SM)) +typedef struct{ + struct{ + volatile uint32_t entry[16]; + } table[4]; +} sr_proto_framer_t; + +#define sr_proto_framer_regs ((sr_proto_framer_t *) _SR_ADDR(SR_UDP_SM)) // --- VITA TX CTRL regs --- @@ -397,66 +339,9 @@ typedef struct { #define sr_time64 ((sr_time64_t *) _SR_ADDR(SR_TIME64)) - -/* - * --- ethernet tx protocol engine regs (write only) --- - * - * These registers control the transmit portion of the ethernet - * protocol engine (out of USRP2). The protocol engine handles fifo - * status and sequence number insertion in outgoing packets, and - * automagically generates status packets when required to inform the - * host of changes in fifo availability. - * - * All outgoing packets have their fifo_status field set to the number - * of 32-bit lines of fifo available in the ethernet Rx fifo (see - * usrp2_eth_packet.h). Seqno's are set if FIXME, else 0. - * - * FIXME clean this up once we know how it's supposed to behave. - */ - -typedef struct { - volatile uint32_t flags; // not yet fully defined (channel?) - volatile uint32_t mac_dst0123; // 4 bytes of destination mac addr - volatile uint32_t mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr - volatile uint32_t mac_src2345; // 4 bytes of destination mac addr - volatile uint32_t seqno; // Write to init seqno. It autoincs on match -} tx_proto_engine_regs_t; - -#define tx_proto_engine ((tx_proto_engine_regs_t *) _SR_ADDR(SR_TX_PROT_ENG)) - -/* - * --- ethernet rx protocol engine regs (write only) --- - * - * These registers control the receive portion of the ethernet - * protocol engine (into USRP2). The protocol engine offloads common - * packet inspection operations so that firmware has less to do on - * "fast path" packets. - * - * The registers define conditions which must be matched for a packet - * to be considered a "fast path" packet. If a received packet - * matches the src and dst mac address, ethertype, flags field, and - * expected seqno number it is considered a "fast path" packet, and - * the expected seqno is updated. If the packet fails to satisfy any - * of the above conditions it's a "slow path" packet, and the - * corresponding SLOWPATH flag will be set buffer_status register. - */ - -typedef struct { - volatile uint32_t flags; // not yet fully defined (channel?) - volatile uint32_t mac_dst0123; // 4 bytes of destination mac addr - volatile uint32_t mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr - volatile uint32_t mac_src2345; // 4 bytes of destination mac addr - volatile uint32_t ethertype_pad; // ethertype in high 16-bits -} rx_proto_engine_regs_t; - -#define rx_proto_engine ((rx_proto_engine_regs_t *) _SR_ADDR(SR_RX_PROT_ENG)) - - - -/////////////////////////////////////////////////// +/////////////////////////////////////////////////////// // Simple Programmable Interrupt Controller, Slave 8 - -#define PIC_BASE 0x6500 +/////////////////////////////////////////////////////// // Interrupt request lines // Bit numbers (LSB == 0) that correpond to interrupts into PIC @@ -511,12 +396,8 @@ typedef struct { #define sr_simple_timer ((sr_simple_timer_t *) _SR_ADDR(SR_SIMTIMER)) /////////////////////////////////////////////////// -// UNUSED, Slave 9 - -/////////////////////////////////////////////////// // UART, Slave 10 - -#define UART_BASE 0x6700 +/////////////////////////////////////////////////// typedef struct { // All elements are 8 bits except for clkdiv (16), but we use uint32 to make @@ -526,34 +407,32 @@ typedef struct { volatile uint32_t rxlevel; // Number of available elements in the FIFO for reads volatile uint32_t txchar; // Write characters to be sent here volatile uint32_t rxchar; // Read received characters here - volatile uint32_t x[3]; //padding to reach 32B } uart_regs_t; #define uart_regs ((uart_regs_t *) UART_BASE) /////////////////////////////////////////////////// -// ATR Controller, Slave 11 - -#define ATR_BASE 0x6800 +// SD Card SPI interface, Slave 13 +// All regs are 8 bits wide, but are accessed as if they are 32 bits +/////////////////////////////////////////////////// +#ifdef USRP2 typedef struct { - volatile uint32_t v[16]; -} atr_regs_t; - -#define ATR_IDLE 0x0 // indicies into v -#define ATR_TX 0x1 -#define ATR_RX 0x2 -#define ATR_FULL 0x3 + volatile uint32_t status; // Write a 1 or 0 for controlling CS + volatile uint32_t clkdiv; + volatile uint32_t send_dat; + volatile uint32_t receive_dat; +} sdspi_regs_t; -#define atr_regs ((atr_regs_t *) ATR_BASE) +#define sdspi_regs ((sdspi_regs_t *) SDSPI_BASE) -/////////////////////////////////////////////////// -// UNUSED, Slave 12 +#endif //USRP2 /////////////////////////////////////////////////// // ICAP, Slave 13 +/////////////////////////////////////////////////// +#ifdef USRP2P -#define ICAP_BASE 0x6A00 typedef struct { uint32_t icap; //only the lower 8 bits matter } icap_regs_t; @@ -564,8 +443,8 @@ typedef struct { // SPI Flash interface, Slave 14 // Control register definitions are the same as SPI, so use SPI_CTRL_ASS, etc. // Peripheral mask not needed since bus is dedicated (CE held low) +/////////////////////////////////////////////////// -#define SPIF_BASE 0x6B00 typedef struct { volatile uint32_t txrx0; volatile uint32_t txrx1; @@ -578,13 +457,6 @@ typedef struct { #define spif_regs ((spif_regs_t *) SPIF_BASE) -//////////////////////////////////////////////////////////////// -// Main RAM, Slave 15 - -#define RAM_BASE 0x8000 - - - -/////////////////////////////////////////////////// -#endif +#endif //USRP2P +#endif /* INCLUDED_MEMORY_MAP_H */ diff --git a/firmware/zpu/lib/net_common.c b/firmware/zpu/lib/net_common.c index f70f279ac..2e3257b35 100644 --- a/firmware/zpu/lib/net_common.c +++ b/firmware/zpu/lib/net_common.c @@ -36,17 +36,35 @@ #include <string.h> #include "pkt_ctrl.h" +/*********************************************************************** + * Constants + Globals + **********************************************************************/ static const bool debug = false; - static const size_t out_buff_size = 2048; - static const eth_mac_addr_t BCAST_MAC_ADDR = {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}; +#define MAX_UDP_LISTENERS 6 //used in the top level application... uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; -// ------------------------------------------------------------------------ +/*********************************************************************** + * 16-bit one's complement sum + **********************************************************************/ +static uint32_t chksum_buffer( + uint16_t *buf, size_t nshorts, + uint32_t initial_chksum +){ + uint32_t chksum = initial_chksum; + for (size_t i = 0; i < nshorts; i++) chksum += buf[i]; + + while (chksum >> 16) chksum = (chksum & 0xffff) + (chksum >> 16); + + return chksum; +} +/*********************************************************************** + * Listener registry + **********************************************************************/ static eth_mac_addr_t _local_mac_addr; static struct ip_addr _local_ip_addr; void register_addrs(const eth_mac_addr_t *mac_addr, const struct ip_addr *ip_addr){ @@ -54,10 +72,6 @@ void register_addrs(const eth_mac_addr_t *mac_addr, const struct ip_addr *ip_add _local_ip_addr = *ip_addr; } -//------------------------------------------------------------------------- - -#define MAX_UDP_LISTENERS 6 - struct listener_entry { unsigned short port; udp_receiver_t rcvr; @@ -104,9 +118,55 @@ register_udp_listener(int port, udp_receiver_t rcvr) } } -// ------------------------------------------------------------------------ - +/*********************************************************************** + * Protocol framer + **********************************************************************/ +void setup_framer( + eth_mac_addr_t eth_dst, + eth_mac_addr_t eth_src, + struct socket_address sock_dst, + struct socket_address sock_src, + size_t which +){ + struct { + padded_eth_hdr_t eth; + struct ip_hdr ip; + struct udp_hdr udp; + } frame; + + //-- load Ethernet header --// + frame.eth.dst = eth_dst; + frame.eth.src = eth_src; + frame.eth.ethertype = ETHERTYPE_IPV4; + + //-- load IPv4 header --// + IPH_VHLTOS_SET(&frame.ip, 4, 5, 0); + IPH_LEN_SET(&frame.ip, 0); + IPH_ID_SET(&frame.ip, 0); + IPH_OFFSET_SET(&frame.ip, IP_DF); // don't fragment + IPH_TTL_SET(&frame.ip, 32); + IPH_PROTO_SET(&frame.ip, IP_PROTO_UDP); + IPH_CHKSUM_SET(&frame.ip, 0); + frame.ip.src = sock_src.addr; + frame.ip.dest = sock_dst.addr; + IPH_CHKSUM_SET(&frame.ip, chksum_buffer( + (unsigned short *) &frame.ip, + sizeof(frame.ip)/sizeof(short), 0 + )); + + //-- load UDP header --// + frame.udp.src = sock_src.port; + frame.udp.dest = sock_dst.port; + frame.udp.len = 0; + frame.udp.chksum = 0; + + //copy into the framer table registers + memcpy_wa((void *)(sr_proto_framer_regs->table[which].entry + 1), &frame, sizeof(frame)); +} +/*********************************************************************** + * Slow-path packet framing and transmission + **********************************************************************/ /*! * low level routine to assembly an ethernet frame and send it. * @@ -164,43 +224,25 @@ send_pkt( if (debug) printf("sent %d bytes\n", (int)total_len); } -unsigned int CHKSUM(unsigned int x, unsigned int *chksum) -{ - *chksum += x; - *chksum = (*chksum & 0xffff) + (*chksum>>16); - *chksum = (*chksum & 0xffff) + (*chksum>>16); - return x; -} - -static unsigned int -chksum_buffer(unsigned short *buf, int nshorts, unsigned int initial_chksum) -{ - unsigned int chksum = initial_chksum; - for (int i = 0; i < nshorts; i++) - CHKSUM(buf[i], &chksum); - - return chksum; -} - void send_ip_pkt(struct ip_addr dst, int protocol, const void *buf0, size_t len0, const void *buf1, size_t len1) { - int ttl = 32; - struct ip_hdr ip; IPH_VHLTOS_SET(&ip, 4, 5, 0); IPH_LEN_SET(&ip, IP_HLEN + len0 + len1); IPH_ID_SET(&ip, 0); IPH_OFFSET_SET(&ip, IP_DF); /* don't fragment */ - ip._ttl_proto = (ttl << 8) | (protocol & 0xff); - ip._chksum = 0; + IPH_TTL_SET(&ip, 32); + IPH_PROTO_SET(&ip, protocol); + IPH_CHKSUM_SET(&ip, 0); ip.src = _local_ip_addr; ip.dest = dst; - ip._chksum = ~chksum_buffer((unsigned short *) &ip, - sizeof(ip)/sizeof(short), 0); + IPH_CHKSUM_SET(&ip, ~chksum_buffer( + (unsigned short *) &ip, sizeof(ip)/sizeof(short), 0 + )); eth_mac_addr_t dst_mac; bool found = arp_cache_lookup_mac(&ip.dest, &dst_mac); diff --git a/firmware/zpu/lib/net_common.h b/firmware/zpu/lib/net_common.h index 409022352..3cbc5c514 100644 --- a/firmware/zpu/lib/net_common.h +++ b/firmware/zpu/lib/net_common.h @@ -1,6 +1,5 @@ -/* -*- c++ -*- */ /* - * Copyright 2009,2010 Ettus Research LLC + * Copyright 2009-2011 Ettus Research LLC * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -23,12 +22,22 @@ #include <net/socket_address.h> #include <net/eth_mac_addr.h> -/* - * 1's complement sum for IP and UDP headers +/*! + * Setup an entry in the protocol framer for a UDP socket. * - * init chksum to zero to start. + * \param eth_dst ethernet destination mac addr + * \param eth_src ethernet source mac addr + * \param sock_dst udp/ip socket destination + * \param sock_src udp/ip socket source + * \param which the index into the table */ -unsigned int CHKSUM(unsigned int x, unsigned int *chksum); +void setup_framer( + eth_mac_addr_t eth_dst, + eth_mac_addr_t eth_src, + struct socket_address sock_dst, + struct socket_address sock_src, + size_t which +); typedef void (*udp_receiver_t)(struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len); diff --git a/firmware/zpu/usrp2/CMakeLists.txt b/firmware/zpu/usrp2/CMakeLists.txt index e54499084..75acae750 100644 --- a/firmware/zpu/usrp2/CMakeLists.txt +++ b/firmware/zpu/usrp2/CMakeLists.txt @@ -19,6 +19,8 @@ INCLUDE(${CMAKE_SOURCE_DIR}/lib/CMakeLists.txt) INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}) +ADD_DEFINITIONS(-DUSRP2) + ADD_LIBRARY(libusrp2fw STATIC ${COMMON_SRCS} sd.c diff --git a/firmware/zpu/usrp2/ethernet.c b/firmware/zpu/usrp2/ethernet.c index 5d4654bda..9a41eb280 100644 --- a/firmware/zpu/usrp2/ethernet.c +++ b/firmware/zpu/usrp2/ethernet.c @@ -1,4 +1,5 @@ /* + * Copyright 2011 Ettus Research LLC * Copyright 2007 Free Software Foundation, Inc. * * This program is free software: you can redistribute it and/or modify @@ -18,7 +19,6 @@ #include "ethernet.h" #include "eth_phy.h" #include "eth_mac.h" -#include "eth_mac_regs.h" #include "pic.h" #include "hal_io.h" #include "nonstdio.h" diff --git a/firmware/zpu/usrp2/memory_map.h b/firmware/zpu/usrp2/memory_map.h deleted file mode 100644 index 79b11759a..000000000 --- a/firmware/zpu/usrp2/memory_map.h +++ /dev/null @@ -1,578 +0,0 @@ -// Copyright 2010-2011 Ettus Research LLC -/* - * Copyright 2007,2008,2009 Free Software Foundation, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* Overall Memory Map - * 0000-7FFF 32K RAM space (16K on 1500, 24K on 2000, 32K on DSP) - * 8000-BFFF 16K Packet Router - * C000-FFFF 16K Peripherals - */ - - -#ifndef INCLUDED_MEMORY_MAP_H -#define INCLUDED_MEMORY_MAP_H - -#include <stdint.h> - - -#define MASTER_CLK_RATE 100000000 // 100 MHz - - -//////////////////////////////////////////////////////////////// -// -// Memory map for embedded wishbone bus -// -//////////////////////////////////////////////////////////////// - - -//////////////////////////////////////////////////////////////// -// Main RAM, Slave 0 - -#define RAM_BASE 0x0000 - -//////////////////////////////////////////////////////////////// -// Packet Router RAM, Slave 1 -// -// The buffers themselves are located in Slave 1, Packet Router RAM. -// The status registers are in Slave 5, Packet Router Status. -// The control register is in Slave 7, Settings Bus. - -#define ROUTER_RAM_BASE 0x8000 - -///////////////////////////////////////////////////// -// SPI Core, Slave 2. See core docs for more info -#define SPI_BASE 0xC000 // Base address (16-bit) - -typedef struct { - volatile uint32_t txrx0; - volatile uint32_t txrx1; - volatile uint32_t txrx2; - volatile uint32_t txrx3; - volatile uint32_t ctrl; - volatile uint32_t div; - volatile uint32_t ss; -} spi_regs_t; - -#define spi_regs ((spi_regs_t *) SPI_BASE) - - -// Masks for controlling different peripherals -#define SPI_SS_AD9510 1 -#define SPI_SS_AD9777 2 -#define SPI_SS_RX_DAC 4 -#define SPI_SS_RX_ADC 8 -#define SPI_SS_RX_DB 16 -#define SPI_SS_TX_DAC 32 -#define SPI_SS_TX_ADC 64 -#define SPI_SS_TX_DB 128 -#define SPI_SS_ADS64P44 256 - -// Masks for different parts of CTRL reg -#define SPI_CTRL_ASS (1<<13) -#define SPI_CTRL_IE (1<<12) -#define SPI_CTRL_LSB (1<<11) -#define SPI_CTRL_TXNEG (1<<10) -#define SPI_CTRL_RXNEG (1<< 9) -#define SPI_CTRL_GO_BSY (1<< 8) -#define SPI_CTRL_CHAR_LEN_MASK 0x7F - -//////////////////////////////////////////////// -// I2C, Slave 3 -// See Wishbone I2C-Master Core Specification. - -#define I2C_BASE 0xC400 - -typedef struct { - volatile uint32_t prescaler_lo; // r/w - volatile uint32_t prescaler_hi; // r/w - volatile uint32_t ctrl; // r/w - volatile uint32_t data; // wr = transmit reg; rd = receive reg - volatile uint32_t cmd_status; // wr = command reg; rd = status reg -} i2c_regs_t; - -#define i2c_regs ((i2c_regs_t *) I2C_BASE) - -#define I2C_CTRL_EN (1 << 7) // core enable -#define I2C_CTRL_IE (1 << 6) // interrupt enable - -// -// STA, STO, RD, WR, and IACK bits are cleared automatically -// -#define I2C_CMD_START (1 << 7) // generate (repeated) start condition -#define I2C_CMD_STOP (1 << 6) // generate stop condition -#define I2C_CMD_RD (1 << 5) // read from slave -#define I2C_CMD_WR (1 << 4) // write to slave -#define I2C_CMD_NACK (1 << 3) // when a rcvr, send ACK (ACK=0) or NACK (ACK=1) -#define I2C_CMD_RSVD_2 (1 << 2) // reserved -#define I2C_CMD_RSVD_1 (1 << 1) // reserved -#define I2C_CMD_IACK (1 << 0) // set to clear pending interrupt - -#define I2C_ST_RXACK (1 << 7) // Received acknowledgement from slave (1 = NAK, 0 = ACK) -#define I2C_ST_BUSY (1 << 6) // 1 after START signal detected; 0 after STOP signal detected -#define I2C_ST_AL (1 << 5) // Arbitration lost. 1 when core lost arbitration -#define I2C_ST_RSVD_4 (1 << 4) // reserved -#define I2C_ST_RSVD_3 (1 << 3) // reserved -#define I2C_ST_RSVD_2 (1 << 2) // reserved -#define I2C_ST_TIP (1 << 1) // Transfer-in-progress -#define I2C_ST_IP (1 << 0) // Interrupt pending - - -//////////////////////////////////////////////// -// GPIO, Slave 4 -// -// These go to the daughterboard i/o pins - -#define GPIO_BASE 0xC800 - -typedef struct { - volatile uint32_t io; // tx data in high 16, rx in low 16 - volatile uint32_t ddr; // 32 bits, 1 means output. tx in high 16, rx in low 16 - volatile uint32_t tx_sel; // 16 2-bit fields select which source goes to TX DB - volatile uint32_t rx_sel; // 16 2-bit fields select which source goes to RX DB -} gpio_regs_t; - -// each 2-bit sel field is layed out this way -#define GPIO_SEL_SW 0 // if pin is an output, set by software in the io reg -#define GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic -#define GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric -#define GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric - -#define gpio_base ((gpio_regs_t *) GPIO_BASE) - -/////////////////////////////////////////////////// -// Packet Router Status, Slave 5 -// -// The buffers themselves are located in Slave 1, Packet Router RAM. -// The status registers are in Slave 5, Packet Router Status. -// The control register is in Slave 7, Settings Bus. - -#define ROUTER_STATUS_BASE 0xCC00 - -typedef struct { - volatile uint32_t _padding[8]; - volatile uint32_t status; - volatile uint32_t hw_config; // see below - volatile uint32_t time64_secs_rb; - volatile uint32_t time64_ticks_rb; - volatile uint32_t compat_num; - volatile uint32_t irqs; -} router_status_t; - -#define router_status ((router_status_t *) ROUTER_STATUS_BASE) - -// The hw_config register - -#define HWC_SIMULATION 0x80000000 -#define HWC_WB_CLK_DIV_MASK 0x0000000f - -/*! - * \brief return non-zero if we're running under the simulator - */ -inline static int -hwconfig_simulation_p(void) -{ - return router_status->hw_config & HWC_SIMULATION; -} - -/*! - * \brief Return Wishbone Clock divisor. - * The processor runs at the Wishbone Clock rate which is MASTER_CLK_RATE / divisor. - */ -inline static int -hwconfig_wishbone_divisor(void) -{ - return router_status->hw_config & HWC_WB_CLK_DIV_MASK; -} - -/////////////////////////////////////////////////// -// Ethernet Core, Slave 6 - -#define ETH_BASE 0xD000 - -#include "eth_mac_regs.h" - -#define eth_mac ((eth_mac_regs_t *) ETH_BASE) - -//////////////////////////////////////////////////// -// Settings Bus, Slave #7, Not Byte Addressable! -// -// Output-only from processor point-of-view. -// 1KB of address space (== 256 32-bit write-only regs) - - -#define MISC_OUTPUT_BASE 0xD400 -#define TX_PROTOCOL_ENGINE_BASE 0xD480 -#define RX_PROTOCOL_ENGINE_BASE 0xD4C0 -#define ROUTER_CTRL_BASE 0xD500 -#define LAST_SETTING_REG 0xD7FC // last valid setting register - -#define SR_MISC 0 -#define SR_TX_PROT_ENG 32 -#define SR_RX_PROT_ENG 48 -#define SR_ROUTER_CTRL 64 -#define SR_UDP_SM 96 -#define SR_TX_DSP 208 -#define SR_TX_CTRL 224 -#define SR_RX_DSP0 160 -#define SR_RX_DSP1 240 -#define SR_RX_CTRL0 176 -#define SR_RX_CTRL1 32 -#define SR_TIME64 192 -#define SR_SIMTIMER 198 -#define SR_LAST 255 - -#define _SR_ADDR(sr) (MISC_OUTPUT_BASE + (sr) * sizeof(uint32_t)) - -// --- packet router control regs --- - -typedef struct { - volatile uint32_t mode_ctrl; - volatile uint32_t ip_addr; - volatile uint32_t data_ports; //dsp0 (low 16) dsp1 (high 16) - volatile uint32_t iface_ctrl; -} router_ctrl_t; - -#define router_ctrl ((router_ctrl_t *) ROUTER_CTRL_BASE) - -// --- misc outputs --- - -typedef struct { - volatile uint32_t clk_ctrl; - volatile uint32_t serdes_ctrl; - volatile uint32_t adc_ctrl; - volatile uint32_t leds; - volatile uint32_t phy_ctrl; // LSB is reset line to eth phy - volatile uint32_t debug_mux_ctrl; - volatile uint32_t ram_page; // FIXME should go somewhere else... - volatile uint32_t flush_icache; // Flush the icache - volatile uint32_t led_src; // HW or SW control for LEDs -} output_regs_t; - -#define CLK_RESET (1<<4) -#define CLK_ENABLE (1<<3) | (1<<2) -#define CLK_SEL (1<<1) | (1<<0) - -#define SERDES_ENABLE 8 -#define SERDES_PRBSEN 4 -#define SERDES_LOOPEN 2 -#define SERDES_RXEN 1 - -#define ADC_CTRL_ON 0x0F -#define ADC_CTRL_OFF 0x00 - -// crazy order that matches the labels on the case - -#define LED_A (1 << 4) -#define LED_B (1 << 1) -#define LED_C (1 << 3) -#define LED_D (1 << 0) -#define LED_E (1 << 2) -// LED_F // controlled by CPLD -#define LED_RJ45 (1 << 5) - -#define output_regs ((output_regs_t *) MISC_OUTPUT_BASE) - -// --- udp tx regs --- - -typedef struct { - // Bits 19:16 are control info; bits 15:0 are data (see below) - // First two words are unused. - volatile uint32_t _nope[2]; - //--- ethernet header - 14 bytes--- - volatile struct{ - uint32_t mac_dst_0_1; //word 2 - uint32_t mac_dst_2_3; - uint32_t mac_dst_4_5; - uint32_t mac_src_0_1; - uint32_t mac_src_2_3; - uint32_t mac_src_4_5; - uint32_t ether_type; //word 8 - } eth_hdr; - //--- ip header - 20 bytes --- - volatile struct{ - uint32_t ver_ihl_tos; //word 9 - uint32_t total_length; - uint32_t identification; - uint32_t flags_frag_off; - uint32_t ttl_proto; - uint32_t checksum; - uint32_t src_addr_high; - uint32_t src_addr_low; - uint32_t dst_addr_high; - uint32_t dst_addr_low; //word 18 - } ip_hdr; - //--- udp header - 8 bytes --- - volatile struct{ - uint32_t src_port; //word 19 - uint32_t dst_port; - uint32_t length; - uint32_t checksum; //word 22 - } udp_hdr; - volatile uint32_t _pad[1]; - volatile uint32_t dsp0_port; - volatile uint32_t err0_port; - volatile uint32_t dsp1_port; - volatile uint32_t err1_port; -} sr_udp_sm_t; - -// control bits (all expect UDP_SM_LAST_WORD are mutually exclusive) - -// Insert a UDP source port from the table -#define UDP_SM_INS_UDP_SRC_PORT (1 << 21) - -// Insert a UDP dest port from the table -#define UDP_SM_INS_UDP_DST_PORT (1 << 20) - -// This is the last word of the header -#define UDP_SM_LAST_WORD (1 << 19) - -// Insert IP header checksum here. Data is the xor of 16'hFFFF and -// the values written into regs 9-13 and 15-18. -#define UDP_SM_INS_IP_HDR_CHKSUM (1 << 18) - -// Insert IP Length here (data ignored) -#define UDP_SM_INS_IP_LEN (1 << 17) - -// Insert UDP Length here (data ignore) -#define UDP_SM_INS_UDP_LEN (1 << 16) - -#define sr_udp_sm ((sr_udp_sm_t *) _SR_ADDR(SR_UDP_SM)) - -// --- VITA TX CTRL regs --- - -typedef struct { - volatile uint32_t num_chan; - volatile uint32_t clear_state; // clears out state machine, fifos, - volatile uint32_t report_sid; - volatile uint32_t policy; - volatile uint32_t cyc_per_up; - volatile uint32_t packets_per_up; -} sr_tx_ctrl_t; - -#define sr_tx_ctrl ((sr_tx_ctrl_t *) _SR_ADDR(SR_TX_CTRL)) - -// --- VITA RX CTRL regs --- -typedef struct { - // The following 3 are logically a single command register. - // They are clocked into the underlying fifo when time_ticks is written. - volatile uint32_t cmd; // {now, chain, num_samples(30) - volatile uint32_t time_secs; - volatile uint32_t time_ticks; -} sr_rx_ctrl_t; - -#define sr_rx_ctrl0 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL0)) -#define sr_rx_ctrl1 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL1)) - -// ---------------------------------------------------------------- -// VITA49 64 bit time (write only) - /*! - * \brief Time 64 flags - * - * <pre> - * - * 3 2 1 - * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - * +-----------------------------------------------------------+-+-+ - * | |S|P| - * +-----------------------------------------------------------+-+-+ - * - * P - PPS edge selection (0=negedge, 1=posedge, default=0) - * S - Source (0=sma, 1=mimo, 0=default) - * - * </pre> - */ -typedef struct { - volatile uint32_t secs; // value to set absolute secs to on next PPS - volatile uint32_t ticks; // value to set absolute ticks to on next PPS - volatile uint32_t flags; // flags - see chart above - volatile uint32_t imm; // set immediate (0=latch on next pps, 1=latch immediate, default=0) -} sr_time64_t; - -#define sr_time64 ((sr_time64_t *) _SR_ADDR(SR_TIME64)) - - -/* - * --- ethernet tx protocol engine regs (write only) --- - * - * These registers control the transmit portion of the ethernet - * protocol engine (out of USRP2). The protocol engine handles fifo - * status and sequence number insertion in outgoing packets, and - * automagically generates status packets when required to inform the - * host of changes in fifo availability. - * - * All outgoing packets have their fifo_status field set to the number - * of 32-bit lines of fifo available in the ethernet Rx fifo (see - * usrp2_eth_packet.h). Seqno's are set if FIXME, else 0. - * - * FIXME clean this up once we know how it's supposed to behave. - */ - -typedef struct { - volatile uint32_t flags; // not yet fully defined (channel?) - volatile uint32_t mac_dst0123; // 4 bytes of destination mac addr - volatile uint32_t mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr - volatile uint32_t mac_src2345; // 4 bytes of destination mac addr - volatile uint32_t seqno; // Write to init seqno. It autoincs on match -} tx_proto_engine_regs_t; - -#define tx_proto_engine ((tx_proto_engine_regs_t *) TX_PROTOCOL_ENGINE_BASE) - -/* - * --- ethernet rx protocol engine regs (write only) --- - * - * These registers control the receive portion of the ethernet - * protocol engine (into USRP2). The protocol engine offloads common - * packet inspection operations so that firmware has less to do on - * "fast path" packets. - * - * The registers define conditions which must be matched for a packet - * to be considered a "fast path" packet. If a received packet - * matches the src and dst mac address, ethertype, flags field, and - * expected seqno number it is considered a "fast path" packet, and - * the expected seqno is updated. If the packet fails to satisfy any - * of the above conditions it's a "slow path" packet, and the - * corresponding SLOWPATH flag will be set buffer_status register. - */ - -typedef struct { - volatile uint32_t flags; // not yet fully defined (channel?) - volatile uint32_t mac_dst0123; // 4 bytes of destination mac addr - volatile uint32_t mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr - volatile uint32_t mac_src2345; // 4 bytes of destination mac addr - volatile uint32_t ethertype_pad; // ethertype in high 16-bits -} rx_proto_engine_regs_t; - -#define rx_proto_engine ((rx_proto_engine_regs_t *) RX_PROTOCOL_ENGINE_BASE) - - - -/////////////////////////////////////////////////// -// Simple Programmable Interrupt Controller, Slave 8 - -#define PIC_BASE 0xD800 - -// Interrupt request lines -// Bit numbers (LSB == 0) that correpond to interrupts into PIC - -#define IRQ_BUFFER 0 // buffer manager -#define IRQ_ONETIME 1 -#define IRQ_SPI 2 -#define IRQ_I2C 3 -#define IRQ_PHY 4 // ethernet PHY -#define IRQ_UNDERRUN 5 -#define IRQ_OVERRUN 6 -#define IRQ_PPS 7 // pulse per second -#define IRQ_UART_RX 8 -#define IRQ_UART_TX 9 -#define IRQ_SERDES 10 -#define IRQ_CLKSTATUS 11 -#define IRQ_PERIODIC 12 - -#define IRQ_TO_MASK(x) (1 << (x)) - -#define PIC_BUFFER_INT IRQ_TO_MASK(IRQ_BUFFER) -#define PIC_ONETIME_INT IRQ_TO_MASK(IRQ_ONETIME) -#define PIC_SPI_INT IRQ_TO_MASK(IRQ_SPI) -#define PIC_I2C_INT IRQ_TO_MASK(IRQ_I2C) -#define PIC_PHY_INT IRQ_TO_MASK(IRQ_PHY) -#define PIC_UNDERRUN_INT IRQ_TO_MASK(IRQ_UNDERRUN) -#define PIC_OVERRUN_INT IRQ_TO_MASK(IRQ_OVERRUN) -#define PIC_PPS_INT IRQ_TO_MASK(IRQ_PPS) -#define PIC_UART_RX_INT IRQ_TO_MASK(IRQ_UART_RX) -#define PIC_UART_TX_INT IRQ_TO_MASK(IRQ_UART_TX) -#define PIC_SERDES IRQ_TO_MASK(IRQ_SERDES) -#define PIC_CLKSTATUS IRQ_TO_MASK(IRQ_CLKSTATUS) - -typedef struct { - volatile uint32_t edge_enable; // mask: 1 -> edge triggered, 0 -> level - volatile uint32_t polarity; // mask: 1 -> rising edge - volatile uint32_t mask; // mask: 1 -> disabled - volatile uint32_t pending; // mask: 1 -> pending; write 1's to clear pending ints -} pic_regs_t; - -#define pic_regs ((pic_regs_t *) PIC_BASE) - -// ---------------------------------------------------------------- -// WB_CLK_RATE is the time base for this -typedef struct { - volatile uint32_t onetime; // Number of wb clk cycles till the onetime interrupt - volatile uint32_t periodic; // Repeat rate of periodic interrupt -} sr_simple_timer_t; - -#define sr_simple_timer ((sr_simple_timer_t *) _SR_ADDR(SR_SIMTIMER)) - -/////////////////////////////////////////////////// -// UART, Slave 10 - -#define UART_BASE 0xE000 - -typedef struct { - // All elements are 8 bits except for clkdiv (16), but we use uint32 to make - // the hardware for decoding easier - volatile uint32_t clkdiv; // Set to 50e6 divided by baud rate (no x16 factor) - volatile uint32_t txlevel; // Number of spaces in the FIFO for writes - volatile uint32_t rxlevel; // Number of available elements in the FIFO for reads - volatile uint32_t txchar; // Write characters to be sent here - volatile uint32_t rxchar; // Read received characters here -} uart_regs_t; - -#define uart_regs ((uart_regs_t *) UART_BASE) - -/////////////////////////////////////////////////// -// ATR Controller, Slave 11 - -#define ATR_BASE 0xE400 - -typedef struct { - volatile uint32_t v[16]; -} atr_regs_t; - -#define ATR_IDLE 0x0 // indicies into v -#define ATR_TX 0x1 -#define ATR_RX 0x2 -#define ATR_FULL 0x3 - -#define atr_regs ((atr_regs_t *) ATR_BASE) - -/////////////////////////////////////////////////// -// SD Card SPI interface, Slave 13 -// All regs are 8 bits wide, but are accessed as if they are 32 bits - -#define SDSPI_BASE 0xEC00 - -typedef struct { - volatile uint32_t status; // Write a 1 or 0 for controlling CS - volatile uint32_t clkdiv; - volatile uint32_t send_dat; - volatile uint32_t receive_dat; -} sdspi_regs_t; - -#define sdspi_regs ((sdspi_regs_t *) SDSPI_BASE) - -/////////////////////////////////////////////////// -// External RAM interface, Slave 14 -// Pages are 1K. Page is 10 bits, set by a control register -// output_regs->ram_page - -#define EXTRAM_BASE 0xF000 -#define extram ((volatile uint32_t *) EXTRAM_BASE) - - -/////////////////////////////////////////////////// - -#endif - diff --git a/firmware/zpu/usrp2p/bootloader/init_bootloader.c b/firmware/zpu/usrp2p/bootloader/init_bootloader.c index 66481eb25..d797edce4 100644 --- a/firmware/zpu/usrp2p/bootloader/init_bootloader.c +++ b/firmware/zpu/usrp2p/bootloader/init_bootloader.c @@ -1,8 +1,19 @@ -/* -*- c++ -*- */ -/* - * Copyright 2010-2011 Ettus Research LLC - * - */ +// +// Copyright 2010-2011 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// #include <memory_map.h> #include <nonstdio.h> @@ -10,7 +21,6 @@ #include <xilinx_s3_icap.h> #include <spi_flash.h> #include <spi_flash_private.h> -//#include <clocks.h> #include <mdelay.h> #include <ihex.h> #include <bootloader_utils.h> @@ -19,12 +29,7 @@ #include <i2c.h> #include "usrp2/fw_common.h" -//void pic_interrupt_handler() __attribute__ ((interrupt_handler)); - -void pic_interrupt_handler() -{ - // nop stub -} +#define BUTTON_PUSHED ((router_status->irqs & PIC_BUTTON) ? 0 : 1) void load_ihex(void) { //simple IHEX parser to load proper records into RAM. loads program when it receives end of record. char buf[128]; //input data buffer diff --git a/firmware/zpu/usrp2p/ethernet.c b/firmware/zpu/usrp2p/ethernet.c index 03891f959..f5bd9f121 100644 --- a/firmware/zpu/usrp2p/ethernet.c +++ b/firmware/zpu/usrp2p/ethernet.c @@ -1,4 +1,5 @@ /* + * Copyright 2011 Ettus Research LLC * Copyright 2007 Free Software Foundation, Inc. * * This program is free software: you can redistribute it and/or modify @@ -21,7 +22,6 @@ #include "memory_map.h" #include "eth_phy.h" #include <eth_mac.h> -#include <eth_mac_regs.h> #include <pic.h> #include <hal_io.h> #include <nonstdio.h> |