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| author | Stefan Berger <stefanb@linux.ibm.com> | 2023-03-31 13:30:49 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-04-20 11:25:32 +0200 |
| commit | a3ebb580a21c89d22ac5f52bd70814c997f28893 (patch) | |
| tree | 69d2516db2aa586b7a497d651830805d16f725ca /include/hw | |
| parent | 2243299a748dbc7581205e043dcdb66627a062dd (diff) | |
| download | qemu-a3ebb580a21c89d22ac5f52bd70814c997f28893.zip qemu-a3ebb580a21c89d22ac5f52bd70814c997f28893.tar.gz qemu-a3ebb580a21c89d22ac5f52bd70814c997f28893.tar.bz2 | |
qtest: Add functions for accessing devices on Aspeed I2C controller
Add read and write functions for accessing registers of I2C devices
connected to the Aspeed I2C controller.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Ninad Palsule <ninad@linux.ibm.com>
Message-Id: <20230331173051.3857801-2-stefanb@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/i2c/aspeed_i2c.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index adc904d..51c944e 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -38,6 +38,13 @@ OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C) #define ASPEED_I2C_OLD_NUM_REG 11 #define ASPEED_I2C_NEW_NUM_REG 22 +#define A_I2CD_M_STOP_CMD BIT(5) +#define A_I2CD_M_RX_CMD BIT(3) +#define A_I2CD_M_TX_CMD BIT(1) +#define A_I2CD_M_START_CMD BIT(0) + +#define A_I2CD_MASTER_EN BIT(0) + /* Tx State Machine */ #define I2CD_TX_STATE_MASK 0xf #define I2CD_IDLE 0x0 |