On 6/3/26 06:00, Jamin Lin wrote:
> This series extends the AST1040 SoC model by adding support for several
> peripherals that are compatible with existing AST2700 controller models.
>
> The AST1040 shares a number of peripheral IP blocks with the AST2700,
> allowing the existing QEMU models to be reused with minimal changes.
> This series adds support for ADC, PECI, GPIO, SGPIO, I2C, and watchdog
> controllers, and updates the AST1040 EVB machine to instantiate onboard
> I2C devices for validation.
>
> For I2C support, a new AST1040 I2C type is introduced. The model
> inherits the AST2700 I2C architecture, including DMA support and
> 64-bit DMA address registers, while constraining DMA accesses to the
> 16 MiB HyperRAM address space available on AST1040.
>
> Depends on:
> https://github.com/legoater/qemu.git (branch: aspeed-next)
>
> v1:
> 1. Support ADC, GPIO, SGPIO, I2C and PECI
>
> v2:
> 1. Address review feedback.
> 2. Fix issues reported during review.
> 3. Update i2c bus number to 14.
>
> Jamin Lin (10):
> hw/i2c/aspeed_i2c: Introduce dma_addr_lo_mask to unify DMA address
> handling
> hw/i2c/aspeed_i2c: Increase AST2700 buffer mode size and adjust offset
> hw/arm/aspeed_ast1040: Reuse AST2700 ADC model
> hw/arm/aspeed_ast1040: Introduce PECI support
> hw/arm/aspeed_ast1040: Reuse AST2700 GPIO controller model
> hw/arm/aspeed_ast1040: Add SGPIO controller support
> hw/i2c/aspeed_i2c: Introduce AST1040 I2C model
> hw/arm/aspeed_ast1040: Introduce I2C support
> hw/arm/aspeed_ast1040_evb: Introduce onboard I2C device
> hw/arm/aspeed_ast1040: Reuse AST2700 watchdog models
>
> include/hw/i2c/aspeed_i2c.h | 8 ++-
> hw/arm/aspeed_ast1040.c | 97 ++++++++++++++++++++++++++++-----
> hw/arm/aspeed_ast1040_evb.c | 15 ++++++
> hw/i2c/aspeed_i2c.c | 103 ++++++++++++++++++++++++------------
> 4 files changed, 173 insertions(+), 50 deletions(-)
>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Thanks,
C.