From 672a77767faf0070e94de0c8acd74328a301cae5 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 6 Mar 2012 18:51:31 -0800 Subject: fifo ctrl: ~usrp2_fifo_ctrl acks, usrp2 DCM workaround, bootloader no blinkie --- firmware/zpu/lib/clocks.c | 5 ++++- firmware/zpu/lib/u2_init.c | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'firmware/zpu/lib') diff --git a/firmware/zpu/lib/clocks.c b/firmware/zpu/lib/clocks.c index c1e8ce827..bc1954e13 100644 --- a/firmware/zpu/lib/clocks.c +++ b/firmware/zpu/lib/clocks.c @@ -43,7 +43,10 @@ clocks_init(void) //enable the 100MHz clock output to the FPGA for 50MHz CPU clock clocks_enable_fpga_clk(true, 1); - spi_wait(); + //! Cannot SPI wait since SPI is on DSP clock + //! because DSP clock goes away until DCM reset. + //! However, spi is quick, the cpu is slow, its already ready... + //spi_wait(); //wait for the clock to stabilize while(!clocks_lock_detect()); diff --git a/firmware/zpu/lib/u2_init.c b/firmware/zpu/lib/u2_init.c index 71bd2c594..77c8c0722 100644 --- a/firmware/zpu/lib/u2_init.c +++ b/firmware/zpu/lib/u2_init.c @@ -51,6 +51,7 @@ u2_init(void) hal_enable_ints(); // flash all leds to let us know board is alive +#ifndef BOOTLOADER hal_set_led_src(0x0, 0x1f); /* software ctrl */ hal_set_leds(0x0, 0x1f); mdelay(300); hal_set_leds(LED_E, LED_E); mdelay(300); @@ -61,6 +62,7 @@ u2_init(void) hal_set_leds(0x0, 0x1f); mdelay(100); hal_set_leds(blinks, 0x1f); mdelay(100); } +#endif hal_set_led_src(0x1f & ~LED_D, 0x1f); /* hardware ctrl */ hal_set_leds(LED_D, 0x1f); // Leave one on -- cgit v1.2.3