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-rw-r--r--firmware/microblaze/apps/factory_test.c438
1 files changed, 438 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/factory_test.c b/firmware/microblaze/apps/factory_test.c
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+++ b/firmware/microblaze/apps/factory_test.c
@@ -0,0 +1,438 @@
+/*
+ * 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_common_v2.h"
+#include "memcpy_wa.h"
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <i2c.h>
+#include <usrp2_i2c_addr.h>
+#include <clocks.h>
+#include "sd.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; // used when f/w is filling in sequence numbers
+#endif
+
+
+/*
+ * Full duplex Tx and Rx between ethernet and DSP pipelines
+ *
+ * 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 // dsp rx -> eth (double buffer)
+#define DSP_RX_BUF_1 3 // dsp rx -> eth
+#define DSP_TX_BUF_0 4 // eth -> dsp tx (double buffer)
+#define DSP_TX_BUF_1 5 // eth -> dsp tx
+
+/*
+ * ================================================================
+ * configure DSP TX double buffering state machine (eth -> dsp)
+ * ================================================================
+ */
+
+// 4 lines of ethernet hdr + 1 line transport hdr + 2 lines (word0 + timestamp)
+// DSP Tx reads word0 (flags) + timestamp followed by samples
+
+#define DSP_TX_FIRST_LINE ((sizeof(u2_eth_hdr_t) + sizeof(u2_transport_hdr_t))/4)
+
+// Receive from ethernet
+buf_cmd_args_t dsp_tx_recv_args = {
+ PORT_ETH,
+ 0,
+ BP_LAST_LINE
+};
+
+// send to DSP Tx
+buf_cmd_args_t dsp_tx_send_args = {
+ PORT_DSP,
+ DSP_TX_FIRST_LINE, // starts just past transport header
+ 0 // filled in from last_line register
+};
+
+dbsm_t dsp_tx_sm; // the state machine
+
+/*
+ * ================================================================
+ * configure DSP RX double buffering state machine (dsp -> eth)
+ * ================================================================
+ */
+
+// 4 lines of ethernet hdr + 1 line transport hdr + 1 line (word0)
+// DSP Rx writes timestamp followed by nlines_per_frame of samples
+#define DSP_RX_FIRST_LINE ((sizeof(u2_eth_hdr_t) + sizeof(u2_transport_hdr_t))/4 + 1)
+
+// receive from DSP
+buf_cmd_args_t dsp_rx_recv_args = {
+ PORT_DSP,
+ DSP_RX_FIRST_LINE,
+ 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;
+
+
+// variables for streaming mode
+
+static bool streaming_p = false;
+static unsigned int streaming_items_per_frame = 0;
+static int streaming_frame_count = 0;
+#define FRAMES_PER_CMD 1000
+
+bool is_streaming(void){ return streaming_p; }
+
+// ----------------------------------------------------------------
+
+
+void
+restart_streaming(void)
+{
+ // setup RX DSP regs
+ dsp_rx_regs->clear_state = 1; // reset
+
+ streaming_p = true;
+ streaming_frame_count = FRAMES_PER_CMD;
+
+ dsp_rx_regs->rx_command =
+ MK_RX_CMD(FRAMES_PER_CMD * streaming_items_per_frame,
+ streaming_items_per_frame,
+ 1, 1); // set "chain" bit
+
+ // kick off the state machine
+ dbsm_start(&dsp_rx_sm);
+
+ dsp_rx_regs->rx_time = 0; // enqueue first of two commands
+
+ // make sure this one and the rest have the "now" and "chain" bits set.
+ dsp_rx_regs->rx_command =
+ MK_RX_CMD(FRAMES_PER_CMD * streaming_items_per_frame,
+ streaming_items_per_frame,
+ 1, 1);
+
+ dsp_rx_regs->rx_time = 0; // enqueue second command
+}
+
+void
+start_rx_streaming_cmd(const eth_mac_addr_t *host, op_start_rx_streaming_t *p)
+{
+ host_mac_addr = *host; // remember who we're sending to
+
+ /*
+ * Construct ethernet header and word0 and preload into two buffers
+ */
+ u2_eth_packet_t pkt;
+ memset(&pkt, 0, sizeof(pkt));
+ pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
+ pkt.ehdr.ethertype = U2_ETHERTYPE;
+ u2p_set_word0(&pkt.fixed, 0, 0);
+ // DSP RX will fill in timestamp
+
+ memcpy_wa(buffer_ram(DSP_RX_BUF_0), &pkt, sizeof(pkt));
+ memcpy_wa(buffer_ram(DSP_RX_BUF_1), &pkt, sizeof(pkt));
+
+
+ if (FW_SETS_SEQNO)
+ fw_seqno = 0;
+
+ streaming_items_per_frame = p->items_per_frame;
+ restart_streaming();
+}
+
+
+void
+stop_rx_cmd(void)
+{
+ streaming_p = false;
+ dsp_rx_regs->clear_state = 1; // flush cmd queue
+ bp_clear_buf(DSP_RX_BUF_0);
+ bp_clear_buf(DSP_RX_BUF_1);
+}
+
+
+static void
+setup_tx()
+{
+ dsp_tx_regs->clear_state = 1;
+ bp_clear_buf(DSP_TX_BUF_0);
+ bp_clear_buf(DSP_TX_BUF_1);
+
+ int tx_scale = 256;
+ int interp = 32;
+
+ // setup some defaults
+
+ dsp_tx_regs->freq = 0;
+ dsp_tx_regs->scale_iq = (tx_scale << 16) | tx_scale;
+ dsp_tx_regs->interp_rate = interp;
+}
+
+
+#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
+{
+ 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;
+
+ // queue up another rx command when required
+ if (streaming_p && --streaming_frame_count == 0){
+ streaming_frame_count = FRAMES_PER_CMD;
+ dsp_rx_regs->rx_time = 0;
+ }
+
+ return false; // we didn't handle the packet
+}
+#endif
+
+
+inline static void
+buffer_irq_handler(unsigned irq)
+{
+ uint32_t status = buffer_pool_status->status;
+
+ dbsm_process_status(&dsp_tx_sm, status);
+ dbsm_process_status(&dsp_rx_sm, status);
+}
+
+int test_ram()
+{
+ int i,j,k;
+ output_regs->ram_page = 1<<10;
+
+ extram[0] = 0xDEADBEEF;
+ extram[1] = 0xF00D1234;
+ extram[7] = 0x76543210;
+
+ output_regs->ram_page = 2<<10;
+ extram[7] = 0x55555555;
+ extram[1] = 0xaaaaaaaa;
+ extram[0] = 0xeeeeeeee;
+
+ output_regs->ram_page = 1<<10;
+
+ i = extram[0];
+ k = extram[1];
+ j = extram[7];
+
+ if((i != 0xDEADBEEF)||(j!=0x76543210)||(k!=0xF00D1234)) {
+ puts("RAM FAIL1!\n");
+ puthex32_nl(i);
+ puthex32_nl(j);
+ puthex32_nl(k);
+ return 0;
+ }
+
+ output_regs->ram_page = 2<<10;
+
+ j = extram[7];
+ k = extram[1];
+ i = extram[0];
+
+ if((i != 0xeeeeeeee)||(j!=0x55555555)||(k!=0xaaaaaaaa)) {
+ puts("RAM FAIL2!\n");
+ puthex32_nl(i);
+ puthex32_nl(j);
+ puthex32_nl(k);
+ return 0;
+ }
+ return 1;
+}
+
+int test_sd()
+{
+ int i = sd_init();
+ if(i==0) {
+ puts("FAILED INIT of Card\n");
+ return 0;
+ }
+
+ unsigned char buf[512];
+ i = sd_read_block(2048,buf);
+ if(i == 0) {
+ puts("READ Command Rejected\n");
+ return 0;
+ }
+ if((buf[0]==0xb8)&&(buf[1]==0x08)&&(buf[2]==0x00)&&(buf[3]==0x50))
+ ;
+ else {
+ puts("Read bad data from SD Card\n");
+ return 0;
+ }
+ return 1;
+}
+
+int
+main(void)
+{
+ u2_init();
+
+ putstr("\nFactory Test\n");
+
+ print_mac_addr(ethernet_mac_addr()->addr);
+ newline();
+
+ if(test_sd())
+ puts("SD OK\n");
+ else {
+ puts("SD FAIL\n");
+ // hal_finish();
+ //return 0;
+ }
+ if(test_ram())
+ puts("RAM OK\n");
+ else {
+ puts("RAM FAIL\n");
+ hal_finish();
+ return 0;
+ }
+
+ print_mac_addr(ethernet_mac_addr()->addr);
+ newline();
+
+ output_regs->led_src = 0x7; // make bottom 3 controlled by HW
+
+ ethernet_register_link_changed_callback(link_changed_callback);
+ ethernet_init();
+
+ clocks_enable_tx_dboard(true,1);
+ clocks_mimo_config(MC_WE_LOCK_TO_SMA);
+#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
+
+ output_regs->debug_mux_ctrl = 1;
+#if 0
+ 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 -> DSP Tx
+
+ 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 DSP RX -> 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;
+
+
+ // program tx registers
+ setup_tx();
+
+ // kick off the state machine
+ dbsm_start(&dsp_tx_sm);
+
+ //int which = 0;
+
+ while(1){
+ // hal_gpio_write(GPIO_TX_BANK, which, 0x8000);
+ // which ^= 0x8000;
+
+ buffer_irq_handler(0);
+
+ int pending = pic_regs->pending; // poll for under or overrun
+
+ if (pending & PIC_UNDERRUN_INT){
+ dbsm_handle_tx_underrun(&dsp_tx_sm);
+ pic_regs->pending = PIC_UNDERRUN_INT; // clear interrupt
+ putchar('U');
+ }
+
+ if (pending & PIC_OVERRUN_INT){
+ dbsm_handle_rx_overrun(&dsp_rx_sm);
+ pic_regs->pending = PIC_OVERRUN_INT; // clear pending interrupt
+
+ // FIXME Figure out how to handle this robustly.
+ // Any buffers that are emptying should be allowed to drain...
+
+ if (streaming_p){
+ // restart_streaming();
+ // FIXME report error
+ }
+ else {
+ // FIXME report error
+ }
+ putchar('O');
+ }
+ }
+}
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