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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=zhangjian.3032@bytedance.com; helo=mail-pf1-x42c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bytedance-com.20210112.gappssmtp.com) X-ZM-MESSAGEID: 1663714014232100001 Content-Type: text/plain; charset="utf-8" Add a latching switch device connect between g220a BMC machind(soc gpio) as host-power. The latching switch device default state is off and trigger edge is falling edge. Tested: In qemu, use g220a image ~# ipmitool power status Chassis Power is off ~# ipmitool power on Chassis Power Control: Up/On ~# ipmitool power status Chassis Power is on ~# ipmitool power off Chassis Power Control: Down/Off ~# ipmitool power status Chassis Power is off Signed-off-by: Jian Zhang --- hw/arm/Kconfig | 1 + hw/arm/aspeed.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 15fa79afd3..f2455db5a0 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -457,6 +457,7 @@ config ASPEED_SOC select LED select PMBUS select MAX31785 + select LATCHING_SWITCH =20 config MPS2 bool diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index bc3ecdb619..070de3aeff 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -27,6 +27,7 @@ #include "qemu/units.h" #include "hw/qdev-clock.h" #include "sysemu/sysemu.h" +#include "hw/misc/latching_switch.h" =20 static struct arm_boot_info aspeed_board_binfo =3D { .board_id =3D -1, /* device-tree-only board */ @@ -666,6 +667,25 @@ static void g220a_bmc_i2c_init(AspeedMachineState *bmc) }; smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 4), 0x57, eeprom_buf); + + /* Add a host-power device */ + LatchingSwitchState *power =3D + latching_switch_create_simple(OBJECT(bmc), + false, TRIGGER_EDGE_FALLING); + + /* + * connect the input to soc(out, power button) + * the power button in g220a is 215 + */ + qdev_connect_gpio_out(DEVICE(&bmc->soc.gpio), 215, + qdev_get_gpio_in(DEVICE(power), 0)); + + /* + * connect the output to soc(in, power good signal) + * the power good in g220a is 209 + */ + qdev_connect_gpio_out(DEVICE(power), 0, + qdev_get_gpio_in(DEVICE(&bmc->soc.gpio), 209)); } =20 static void aspeed_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize) --=20 2.25.1