diff options
Diffstat (limited to 'firmware/zpu/apps/cruft/eth_serdes.c')
| -rw-r--r-- | firmware/zpu/apps/cruft/eth_serdes.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/firmware/zpu/apps/cruft/eth_serdes.c b/firmware/zpu/apps/cruft/eth_serdes.c deleted file mode 100644 index 2d2ddc1ca..000000000 --- a/firmware/zpu/apps/cruft/eth_serdes.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright 2007,2008 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/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "u2_init.h" -#include "memory_map.h" -#include "spi.h" -#include "hal_io.h" -#include "buffer_pool.h" -#include "pic.h" -#include <stdbool.h> -#include "ethernet.h" -#include "nonstdio.h" -#include "usrp2_eth_packet.h" -#include "dbsm.h" -#include "app_passthru_v2.h" -#include "memcpy_wa.h" -#include "clocks.h" -#include <stddef.h> -#include <stdlib.h> -#include <string.h> - - -#define FW_SETS_SEQNO 1 // define to 0 or 1 (FIXME must be 1 for now) - -#if (FW_SETS_SEQNO) -static int fw_seqno __attribute__((unused)); // used when f/w is filling in sequence numbers -#endif - - -/* - * Full duplex Tx and Rx between ethernet and serdes - * - * Buffer 1 is used by the cpu to send frames to the host. - * Buffers 2 and 3 are used to double-buffer the DSP Rx to eth flow - * Buffers 4 and 5 are used to double-buffer the eth to DSP Tx eth flow - */ -//#define CPU_RX_BUF 0 // eth -> cpu - -#define DSP_RX_BUF_0 2 // serdes -> eth (double buffer) -#define DSP_RX_BUF_1 3 // serdes -> eth -#define DSP_TX_BUF_0 4 // eth -> serdes (double buffer) -#define DSP_TX_BUF_1 5 // eth -> serdes - -/* - * ================================================================ - * configure serdes double buffering state machine (eth -> serdes) - * ================================================================ - */ - - -// Receive from ethernet -buf_cmd_args_t dsp_tx_recv_args = { - PORT_ETH, - 0, - BP_LAST_LINE -}; - -// send to serdes -buf_cmd_args_t dsp_tx_send_args = { - PORT_SERDES, - 0, - 0 // filled in from last_line register -}; - -dbsm_t dsp_tx_sm; // the state machine - -/* - * ==================================================================== - * configure serdes RX double buffering state machine (serdes -> eth) - * ==================================================================== - */ - -// receive from serdes -buf_cmd_args_t dsp_rx_recv_args = { - PORT_SERDES, - 0, - BP_LAST_LINE -}; - -// send to ETH -buf_cmd_args_t dsp_rx_send_args = { - PORT_ETH, - 0, // starts with ethernet header in line 0 - 0, // filled in from list_line register -}; - -dbsm_t dsp_rx_sm; // the state machine - - -// The mac address of the host we're sending to. -eth_mac_addr_t host_mac_addr; - - -// ---------------------------------------------------------------- - - -#if (FW_SETS_SEQNO) -/* - * Debugging ONLY. This will be handled by the tx_protocol_engine. - * - * This is called when the DSP Rx chain has filled in a packet. - * We set and increment the seqno, then return false, indicating - * that we didn't handle the packet. A bit of a kludge - * but it should work. - */ - -bool -fw_sets_seqno_inspector(dbsm_t *sm, int buf_this) // returns false -{ -#if 0 - uint32_t *p = buffer_ram(buf_this); - uint32_t last_line = buffer_pool_status->last_line[buf_this] - sm->last_line_adj; - printf("fw_sets_seqno_inspector: buf_this = %d, last_line = %d\n", - buf_this, last_line); - - print_buffer(p, (last_line + 1)); -#endif - -#if 0 - uint32_t *p = buffer_ram(buf_this); - uint32_t seqno = fw_seqno++; - - // KLUDGE all kinds of nasty magic numbers and embedded knowledge - uint32_t t = p[4]; - t = (t & 0xffff00ff) | ((seqno & 0xff) << 8); - p[4] = t; -#endif - - return false; // we didn't handle the packet -} -#endif - - -inline static void -buffer_irq_handler(unsigned irq) -{ - uint32_t status = buffer_pool_status->status; - - if (0 && (status & ~BPS_IDLE_ALL)){ - putstr("status = "); - puthex32_nl(status); - } - - dbsm_process_status(&dsp_tx_sm, status); - dbsm_process_status(&dsp_rx_sm, status); -} - -int -main(void) -{ - u2_init(); - - output_regs->led_src = 0x3; // h/w controls bottom two bits - clocks_enable_test_clk(true, 1); - - putstr("\neth <-> serdes\n"); - - ethernet_register_link_changed_callback(link_changed_callback); - ethernet_init(); - - // clocks_mimo_config(MC_WE_LOCK_TO_SMA | MC_PROVIDE_CLK_TO_MIMO); - clocks_mimo_config(MC_WE_DONT_LOCK | MC_PROVIDE_CLK_TO_MIMO); - -#if 0 - // make bit 15 of Tx gpio's be a s/w output - hal_gpio_set_sel(GPIO_TX_BANK, 15, 's'); - hal_gpio_set_ddr(GPIO_TX_BANK, 0x8000, 0x8000); -#endif - -#if 1 - output_regs->debug_mux_ctrl = 1; - hal_gpio_set_sels(GPIO_TX_BANK, "1111111111111111"); - hal_gpio_set_sels(GPIO_RX_BANK, "1111111111111111"); - hal_gpio_set_ddr(GPIO_TX_BANK, 0xffff, 0xffff); - hal_gpio_set_ddr(GPIO_RX_BANK, 0xffff, 0xffff); -#endif - - - // initialize double buffering state machine for ethernet -> serdes - - dbsm_init(&dsp_tx_sm, DSP_TX_BUF_0, - &dsp_tx_recv_args, &dsp_tx_send_args, - eth_pkt_inspector); - - - // initialize double buffering state machine for serdes -> ethernet - - if (FW_SETS_SEQNO){ - dbsm_init(&dsp_rx_sm, DSP_RX_BUF_0, - &dsp_rx_recv_args, &dsp_rx_send_args, - fw_sets_seqno_inspector); - } - else { - dbsm_init(&dsp_rx_sm, DSP_RX_BUF_0, - &dsp_rx_recv_args, &dsp_rx_send_args, - dbsm_nop_inspector); - } - - // tell app_common that this dbsm could be sending to the ethernet - ac_could_be_sending_to_eth = &dsp_rx_sm; - - - // kick off the state machines - dbsm_start(&dsp_tx_sm); - dbsm_start(&dsp_rx_sm); - - //int which = 0; - - while(1){ - // hal_gpio_write(GPIO_TX_BANK, which, 0x8000); - // which ^= 0x8000; - - buffer_irq_handler(0); - } -} |