Merge tag 'pull-aspeed-20220714' of https://github.com/legoater/qemu into staging

aspeed queue:

* New ISL69259 device model
* New fby35 multi-SoC machine (AST1030 BIC + AST2600 BMC)
* Aspeed GPIO fixes
* Extension of m25p80 with write protect bits
* More avocado tests using the Aspeed SDK

# gpg: Signature made Thu 14 Jul 2022 15:28:09 BST
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20220714' of https://github.com/legoater/qemu:
  aspeed: Add fby35-bmc slot GPIO's
  hw/gpio/aspeed: Don't let guests modify input pins
  qtest/aspeed_gpio: Add input pin modification test
  hw: m25p80: add tests for BP and TB bit write protect
  hw: m25p80: Add Block Protect and Top Bottom bits for write protect
  test/avocado/machine_aspeed.py: Add SDK tests
  docs: aspeed: Minor updates
  docs: aspeed: Add fby35 multi-SoC machine section
  aspeed: Add AST1030 (BIC) to fby35
  aspeed: fby35: Add a bootrom for the BMC
  aspeed: Add AST2600 (BMC) to fby35
  aspeed: Add fby35 skeleton
  aspeed: Make aspeed_board_init_flashes public
  aspeed: Refactor UART init for multi-SoC machines
  aspeed: Create SRAM name from first CPU index
  hw/sensor: Add Renesas ISL69259 device model
  hw/sensor: Add IC_DEVICE_ID to ISL voltage regulators
  hw/i2c/pmbus: Add idle state to return 0xff's
  aspeed: sbc: Allow per-machine settings

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index 749a33af82..4071a88cfc 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -261,6 +261,11 @@ void pmbus_check_limits(PMBusDevice *pmdev)
     }
 }
 
+void pmbus_idle(PMBusDevice *pmdev)
+{
+    pmdev->code = PMBUS_IDLE_STATE;
+}
+
 /* assert the status_cml error upon receipt of malformed command */
 static void pmbus_cml_error(PMBusDevice *pmdev)
 {
@@ -980,6 +985,10 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
         }
         break;
 
+    case PMBUS_IDLE_STATE:
+        pmbus_send8(pmdev, PMBUS_ERR_BYTE);
+        break;
+
     case PMBUS_CLEAR_FAULTS:              /* Send Byte */
     case PMBUS_PAGE_PLUS_WRITE:           /* Block Write-only */
     case PMBUS_STORE_DEFAULT_ALL:         /* Send Byte */