Commit graph

6 commits

Author SHA1 Message Date
Florent Kermarrec
0f648ac4ef 1bitsquared_icebreaker: Add test code to use LiteSPI.
Both XiP from SPI(1X) or QSPI(4X) are working, but resource usage is currently
too high to be able to switch to it by default. We'll first try to reduce it.

Resource usage using SPI(1X) and actual LiteX SPI Flash core:
Info: Device utilisation:
Info: 	         ICESTORM_LC:  2016/ 5280    38%
Info: 	        ICESTORM_RAM:     2/   30     6%
Info: 	               SB_IO:    15/   96    15%
Info: 	               SB_GB:     8/    8   100%
Info: 	        ICESTORM_PLL:     1/    1   100%
Info: 	         SB_WARMBOOT:     0/    1     0%
Info: 	        ICESTORM_DSP:     0/    8     0%
Info: 	      ICESTORM_HFOSC:     0/    1     0%
Info: 	      ICESTORM_LFOSC:     0/    1     0%
Info: 	              SB_I2C:     0/    2     0%
Info: 	              SB_SPI:     0/    2     0%
Info: 	              IO_I3C:     0/    2     0%
Info: 	         SB_LEDDA_IP:     0/    1     0%
Info: 	         SB_RGBA_DRV:     0/    1     0%
Info: 	      ICESTORM_SPRAM:     4/    4   100%


Resource usage using LiteSPI:
Info: Device utilisation:
Info: 	         ICESTORM_LC:  3964/ 5280    75%
Info: 	        ICESTORM_RAM:     2/   30     6%
Info: 	               SB_IO:    15/   96    15%
Info: 	               SB_GB:     8/    8   100%
Info: 	        ICESTORM_PLL:     1/    1   100%
Info: 	         SB_WARMBOOT:     0/    1     0%
Info: 	        ICESTORM_DSP:     0/    8     0%
Info: 	      ICESTORM_HFOSC:     0/    1     0%
Info: 	      ICESTORM_LFOSC:     0/    1     0%
Info: 	              SB_I2C:     0/    2     0%
Info: 	              SB_SPI:     0/    2     0%
Info: 	              IO_I3C:     0/    2     0%
Info: 	         SB_LEDDA_IP:     0/    1     0%
Info: 	         SB_RGBA_DRV:     0/    1     0%
Info: 	      ICESTORM_SPRAM:     4/    4   100%
2021-07-27 16:50:18 +02:00
Florent Kermarrec
10bfd50e22 targets/1bitsquared_icebreaker: Revert to 128KB SPRAM. 2021-07-27 12:03:39 +02:00
Joey Bushagour
1920db3535 Add with_led_chaser argument to constructor of boards using LedChaser submodule. 2021-07-06 16:39:37 -05:00
Florent Kermarrec
bf123db20b icebreaker/fomu: Update flashing and disconnect reset from SoC (will need proper support in iCE40PLL). 2021-05-20 09:14:54 +02:00
Florent Kermarrec
9417044584 targets: Minor cleanup, make sure all targets can be built with default settings. 2021-03-29 16:22:39 +02:00
Florent Kermarrec
062b899e29 platforms/targets: Add mode Vendor prefixes. 2021-03-25 16:19:11 +01:00
Renamed from litex_boards/targets/icebreaker.py (Browse further)