Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

12/05/2025

09:55 PM Software Development: RE: uBoot I2C Speed Command [MityDSP L138]

2019 with i2c mods
Flashing u-boot based on https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/... Jonathan Cormier

09:45 PM Software Development: RE: uBoot I2C Speed Command [MityDSP L138]

By default the 2019 u-boot doesn't support multiple i2c buses. Though I was able to tweak some code to seemingly get... Jonathan Cormier

09:29 PM Software Development: RE: uBoot I2C Speed Command [MityDSP L138]

Testing the 2019 u-boot and i2c speed command does appear to be supported though I didn't scope the lines to prove it... Jonathan Cormier

07:47 PM Software Development: RE: Configuring OMAP-L138 peripherals from uBoot

The latest L138 RTOS SDK 06_03_00_106 for the L138 does have documentation for MCASP and a bunch of other peripherals... Jonathan Cormier

04:17 PM Software Development: RE: Configuring OMAP-L138 peripherals from uBoot

Hi Michael, I created a e2e question asking TI about MCASP support on the DSP. https://e2e.ti.com/support/microcontro... Jonathan Cormier

12/04/2025

08:04 PM Software Development: RE: Configuring OMAP-L138 peripherals from uBoot

Jonathan,
If StarterWare/BareMetal are against the grain, please point me towards DSPBios code/examples that use McA... Michael B

07:27 PM Software Development: RE: Configuring OMAP-L138 peripherals from uBoot

Hi Michael, We have only used the DSP with TI's DSPBios RTOS. It should already have abstraction layers for most of... Jonathan Cormier

12/03/2025

10:46 PM Software Development: RE: uBoot I2C Speed Command [MityDSP L138]

Michael B wrote:
> Hi All,
> I'm in the middle of debugging some I2C issues and was curious how the uBoot i2c speed... Jonathan Cormier

09:39 PM Software Development: RE: uBoot I2C Speed Command [MityDSP L138]

As a follow up, is there any way to test I2C 1 bus through uBoot? Michael B

09:20 PM Software Development: uBoot I2C Speed Command [MityDSP L138]

Hi All,
I'm in the middle of debugging some I2C issues and was curious how the uBoot i2c speed command is handled. I... Michael B

09:38 PM Software Development: Configuring OMAP-L138 peripherals from uBoot

Hi all,
I am interested in running a bare metal application on just the DSP core, and would like some help configuri... Michael B