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-rw-r--r--firmware/zpu/apps/txrx_uhd.c10
-rw-r--r--firmware/zpu/lib/u2_init.c7
-rw-r--r--firmware/zpu/usrp2p/CMakeLists.txt1
-rw-r--r--firmware/zpu/usrp2p/bootloader/init_bootloader.c20
-rw-r--r--firmware/zpu/usrp2p/spi_flash.h23
-rw-r--r--firmware/zpu/usrp2p/spi_flash_read.c46
-rw-r--r--firmware/zpu/usrp2p/u2p_init.c33
-rw-r--r--firmware/zpu/usrp2p/u2p_init.h18
8 files changed, 101 insertions, 57 deletions
diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c
index 3fcda8a4e..79f301d42 100644
--- a/firmware/zpu/apps/txrx_uhd.c
+++ b/firmware/zpu/apps/txrx_uhd.c
@@ -333,16 +333,6 @@ main(void)
{
u2_init();
-//we do this to see if we should set a default ip addr or not
-#ifdef USRP2P
- bool safe_fw = find_safe_booted_flag();
- set_safe_booted_flag(0);
- if(safe_fw) {
- set_default_ip_addr();
- set_default_mac_addr();
- }
-#endif
-
putstr("\nTxRx-UHD-ZPU\n");
print_mac_addr(ethernet_mac_addr()); newline();
print_ip_addr(get_ip_addr()); newline();
diff --git a/firmware/zpu/lib/u2_init.c b/firmware/zpu/lib/u2_init.c
index 71bd2c594..db26be538 100644
--- a/firmware/zpu/lib/u2_init.c
+++ b/firmware/zpu/lib/u2_init.c
@@ -26,6 +26,9 @@
#include "clocks.h"
#include "usrp2/fw_common.h"
#include "nonstdio.h"
+#ifdef USRP2P
+#include "u2p_init.h"
+#endif
/*
* We ought to arrange for this to be called before main, but for now,
@@ -50,6 +53,10 @@ u2_init(void)
i2c_init();
hal_enable_ints();
+#ifdef USRP2P
+ u2p_init();
+#endif
+
// flash all leds to let us know board is alive
hal_set_led_src(0x0, 0x1f); /* software ctrl */
hal_set_leds(0x0, 0x1f); mdelay(300);
diff --git a/firmware/zpu/usrp2p/CMakeLists.txt b/firmware/zpu/usrp2p/CMakeLists.txt
index 41ef8f1dd..74d9e233d 100644
--- a/firmware/zpu/usrp2p/CMakeLists.txt
+++ b/firmware/zpu/usrp2p/CMakeLists.txt
@@ -30,6 +30,7 @@ ADD_LIBRARY(libusrp2pfw STATIC
ethernet.c
xilinx_s3_icap.c
udp_fw_update.c
+ u2p_init.c
)
ADD_SUBDIRECTORY(bootloader)
diff --git a/firmware/zpu/usrp2p/bootloader/init_bootloader.c b/firmware/zpu/usrp2p/bootloader/init_bootloader.c
index cfa80ffea..f71b0a7b2 100644
--- a/firmware/zpu/usrp2p/bootloader/init_bootloader.c
+++ b/firmware/zpu/usrp2p/bootloader/init_bootloader.c
@@ -11,6 +11,7 @@
#include <spi_flash.h>
#include <spi_flash_private.h>
//#include <clocks.h>
+#include <mdelay.h>
#include <ihex.h>
#include <bootloader_utils.h>
#include <string.h>
@@ -49,17 +50,14 @@ void load_ihex(void) { //simple IHEX parser to load proper records into RAM. loa
}
}
-void delay(uint32_t t) {
- while(t-- != 0) asm("NOP");
-}
-
int main(int argc, char *argv[]) {
- hal_disable_ints(); // In case we got here via jmp 0x0
+ hal_disable_ints(); // In case we got here via jmp 0x0
output_regs->leds = 0xFF;
- delay(5000);
+ mdelay(100);
output_regs->leds = 0x00;
hal_uart_init();
spif_init();
+ spi_flash_init();
i2c_init(); //for EEPROM
puts("USRP2+ bootloader super ultra ZPU edition\n");
@@ -85,7 +83,7 @@ int main(int argc, char *argv[]) {
if(is_valid_fpga_image(PROD_FPGA_IMAGE_LOCATION_ADDR)) {
puts("Valid production FPGA image found. Attempting to boot.");
set_safe_booted_flag(1);
- delay(300); //so serial output can finish
+ mdelay(300); //so serial output can finish
icap_reload_fpga(PROD_FPGA_IMAGE_LOCATION_ADDR);
}
puts("No valid production FPGA image found.\nAttempting to load production firmware...");
@@ -94,11 +92,11 @@ int main(int argc, char *argv[]) {
puts("Valid production firmware found. Loading...");
spi_flash_read(PROD_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES, (void *)RAM_BASE);
puts("Finished loading. Starting image.");
- delay(300);
+ mdelay(300);
start_program();
puts("ERROR: Return from main program! This should never happen!");
//if this happens, though, the safest thing to do is reboot the whole FPGA and start over.
- delay(300);
+ mdelay(300);
icap_reload_fpga(SAFE_FPGA_IMAGE_LOCATION_ADDR);
return 1;
}
@@ -106,10 +104,10 @@ int main(int argc, char *argv[]) {
if(is_valid_fw_image(SAFE_FW_IMAGE_LOCATION_ADDR)) {
spi_flash_read(SAFE_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES, (void *)RAM_BASE);
puts("Finished loading. Starting image.");
- delay(300);
+ mdelay(300);
start_program();
puts("ERROR: return from main program! This should never happen!");
- delay(300);
+ mdelay(300);
icap_reload_fpga(SAFE_FPGA_IMAGE_LOCATION_ADDR);
return 1;
}
diff --git a/firmware/zpu/usrp2p/spi_flash.h b/firmware/zpu/usrp2p/spi_flash.h
index bbe7b650d..bfecab468 100644
--- a/firmware/zpu/usrp2p/spi_flash.h
+++ b/firmware/zpu/usrp2p/spi_flash.h
@@ -30,20 +30,15 @@
uint32_t spi_flash_rdid(void); /* Read ID */
uint32_t spi_flash_rdsr(void); /* Read Status Register */
-size_t spi_flash_log2_sector_size(void) __attribute__((pure)); /* either 16 or 18 */
-size_t spi_flash_log2_memory_size(void);
-
-static inline size_t
-spi_flash_sector_size(void)
-{
- return ((size_t) 1) << spi_flash_log2_sector_size();
-}
-
-static inline size_t
-spi_flash_memory_size(void)
-{
- return ((size_t) 1) << spi_flash_log2_memory_size();
-}
+
+//! call before using any spi flash utilities
+void spi_flash_init(void);
+
+size_t spi_flash_log2_sector_size(void);
+
+size_t spi_flash_sector_size(void);
+
+size_t spi_flash_memory_size(void);
void spi_flash_read(uint32_t flash_addr, size_t nbytes, void *buf);
diff --git a/firmware/zpu/usrp2p/spi_flash_read.c b/firmware/zpu/usrp2p/spi_flash_read.c
index 75721b0f7..c65b8c1a1 100644
--- a/firmware/zpu/usrp2p/spi_flash_read.c
+++ b/firmware/zpu/usrp2p/spi_flash_read.c
@@ -21,42 +21,44 @@
#include <stdlib.h> // abort
#include <nonstdio.h>
-//FIXME cannot be zero or it gets optimized out and the get size functions break...
-#define UNINITIALIZED 0xdeadbeef
-
uint32_t
spi_flash_rdid(void)
{
return spif_transact(SPI_TXRX, SPI_SS_FLASH, RDID_CMD << 24, 32, FLAGS) & 0xffffff;
}
-size_t
-spi_flash_log2_sector_size(void)
-{
- static unsigned char log2_sector_size[3] = {
- 16, /* M25P32 */
- 16, /* M25P64 */
- 18, /* M25P128 */
- };
- return log2_sector_size[spi_flash_log2_memory_size() - 22];
-}
+static size_t _spi_flash_log2_memory_size, _spi_flash_log2_sector_size;
-size_t
-spi_flash_log2_memory_size(void)
+void spi_flash_init(void)
{
- static size_t _spi_flash_log2_memory_size = UNINITIALIZED;
-
- if (_spi_flash_log2_memory_size == UNINITIALIZED){
uint32_t id = spi_flash_rdid();
uint8_t type = (id >> 8) & 0xff;
uint8_t size = (id >> 0) & 0xff;
if (type != 0x20 || size < 22 || size > 24)
- abort();
-
+ abort();
_spi_flash_log2_memory_size = size;
- }
- return _spi_flash_log2_memory_size;
+ static unsigned char log2_sector_size[3] = {
+ 16, /* M25P32 */
+ 16, /* M25P64 */
+ 18, /* M25P128 */
+ };
+ _spi_flash_log2_sector_size = log2_sector_size[_spi_flash_log2_memory_size - 22];
+}
+
+size_t spi_flash_log2_sector_size(void)
+{
+ return _spi_flash_log2_sector_size;
+}
+
+size_t spi_flash_sector_size(void)
+{
+ return ((size_t) 1) << _spi_flash_log2_sector_size;
+}
+
+size_t spi_flash_memory_size(void)
+{
+ return ((size_t) 1) << _spi_flash_log2_memory_size;
}
void
diff --git a/firmware/zpu/usrp2p/u2p_init.c b/firmware/zpu/usrp2p/u2p_init.c
new file mode 100644
index 000000000..6fe9729ac
--- /dev/null
+++ b/firmware/zpu/usrp2p/u2p_init.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright 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 "u2p_init.h"
+#include "spi_flash.h"
+#include "i2c.h"
+#include "ethernet.h"
+
+void u2p_init(void){
+ spi_flash_init();
+
+ //we do this to see if we should set a default ip addr or not
+ bool safe_fw = find_safe_booted_flag();
+ set_safe_booted_flag(0);
+ if (safe_fw) {
+ set_default_ip_addr();
+ set_default_mac_addr();
+ }
+}
diff --git a/firmware/zpu/usrp2p/u2p_init.h b/firmware/zpu/usrp2p/u2p_init.h
new file mode 100644
index 000000000..b0dc20f1f
--- /dev/null
+++ b/firmware/zpu/usrp2p/u2p_init.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright 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/>.
+ */
+
+void u2p_init(void);
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 23:34:08 +0000