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[PATCH v3 0/5] hw/ppc: SPI model
From: |
Chalapathi V |
Subject: |
[PATCH v3 0/5] hw/ppc: SPI model |
Date: |
Wed, 15 May 2024 12:41:44 -0500 |
Hello,
Thank You so much for reviewing patch v2.
In patch v3, most of Cedric's comments are addressed.
- PnvSPIBus model is removed and added SSIBus to PnvSpiController.
- Added trace-events and removed SPI_DEBUG macro.
- Added Microchip's 25csm04 device on top of m25p80 and create seeprom
device from a command line.
- Use qdev_connect_gpio_out_named instead of sysbus_connect_irq to
connect cs.
The new qom-tree looks like below.
(qemu) info qom-tree
/machine (powernv10-machine)
/chip[0] (power10_v2.0-pnv-chip)
/pib_spic[0] (pnv-spi-controller)
/pnv-spi-bus.0 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
/pib_spic[1] (pnv-spi-controller)
/pnv-spi-bus.1 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
/pib_spic[2] (pnv-spi-controller)
/pnv-spi-bus.2 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
/pib_spic[3] (pnv-spi-controller)
/pnv-spi-bus.3 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
/pib_spic[4] (pnv-spi-controller)
/pnv-spi-bus.4 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
/pib_spic[5] (pnv-spi-controller)
/pnv-spi-bus.5 (SSI)
/xscom-spi-controller-regs[0] (memory-region)
(qemu) info qom-tree
/machine (powernv10-machine)
/peripheral-anon (container)
/device[0] (25csm04)
/WP#[0] (irq)
/ssi-gpio-cs[0] (irq)
Patches overview in v3.
PATCH1: Create a SPI controller model and implement configuration unit
to model SCOM registers. Move header files to include/hw/ssi/
PATCH2: SPI controller model: implement sequencer FSM and shift engine.
PATCH3: Add Microchip's SEEPROM 25csm04 model on top of m25p80.
PATCH4: Connect SPI controllers to p10 chip and connect cs lines.
PATCH5: Write a qtest pnv-spi-seeprom-test to check the SPI transactions
between spi controller and seeprom device.
Test covered:
Ran make check.
Thank You,
Chalapathi
Chalapathi V (5):
ppc/pnv: Add SPI controller model
ppc/pnv: Extend SPI model
hw/block: Add Microchip's 25CSM04 to m25p80
hw/ppc: SPI controller wiring to P10 chip
tests/qtest: Add pnv-spi-seeprom qtest
include/hw/ppc/pnv_chip.h | 3 +
include/hw/ppc/pnv_xscom.h | 3 +
include/hw/ssi/pnv_spi.h | 72 ++
include/hw/ssi/pnv_spi_regs.h | 114 +++
hw/block/m25p80.c | 3 +
hw/ppc/pnv.c | 21 +-
hw/ppc/pnv_spi_controller.c | 1310 ++++++++++++++++++++++++++++
tests/qtest/pnv-spi-seeprom-test.c | 129 +++
hw/ppc/Kconfig | 2 +
hw/ppc/meson.build | 1 +
hw/ppc/trace-events | 21 +
tests/qtest/meson.build | 1 +
12 files changed, 1679 insertions(+), 1 deletion(-)
create mode 100644 include/hw/ssi/pnv_spi.h
create mode 100644 include/hw/ssi/pnv_spi_regs.h
create mode 100644 hw/ppc/pnv_spi_controller.c
create mode 100644 tests/qtest/pnv-spi-seeprom-test.c
--
2.39.3
- [PATCH v3 0/5] hw/ppc: SPI model,
Chalapathi V <=