diff options
| author | Hao Wu <wuhaotsh@google.com> | 2021-02-10 14:04:24 -0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-16 13:50:38 +0000 |
| commit | 2ef1e0d7dc4bf1bede368807dd9ea4038262a2b1 (patch) | |
| tree | 80e5a5e9a07f05570334ceda2555f5d600ed95d6 | |
| parent | 86248f533e51e607236359203fd98be7cee25d63 (diff) | |
hw/arm: Add I2C sensors and EEPROM for GSJ machine
Add AT24 EEPROM and temperature sensors for GSJ machine.
Reviewed-by: Doug Evans<dje@google.com>
Reviewed-by: Tyrong Ting<kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210210220426.3577804-4-wuhaotsh@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/arm/Kconfig | 1 | ||||
| -rw-r--r-- | hw/arm/npcm7xx_boards.c | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index be017b997a..4e6f4ffe90 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -370,6 +370,7 @@ config NPCM7XX bool select A9MPCORE select ARM_GIC + select AT24C # EEPROM select PL310 # cache controller select SERIAL select SSI diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c index 47a215bd01..fbf6ce8e02 100644 --- a/hw/arm/npcm7xx_boards.c +++ b/hw/arm/npcm7xx_boards.c @@ -19,6 +19,7 @@ #include "exec/address-spaces.h" #include "hw/arm/npcm7xx.h" #include "hw/core/cpu.h" +#include "hw/i2c/smbus_eeprom.h" #include "hw/loader.h" #include "hw/qdev-properties.h" #include "qapi/error.h" @@ -104,6 +105,17 @@ static I2CBus *npcm7xx_i2c_get_bus(NPCM7xxState *soc, uint32_t num) return I2C_BUS(qdev_get_child_bus(DEVICE(&soc->smbus[num]), "i2c-bus")); } +static void at24c_eeprom_init(NPCM7xxState *soc, int bus, uint8_t addr, + uint32_t rsize) +{ + I2CBus *i2c_bus = npcm7xx_i2c_get_bus(soc, bus); + I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr); + DeviceState *dev = DEVICE(i2c_dev); + + qdev_prop_set_uint32(dev, "rom-size", rsize); + i2c_slave_realize_and_unref(i2c_dev, i2c_bus, &error_abort); +} + static void npcm750_evb_i2c_init(NPCM7xxState *soc) { /* lm75 temperature sensor on SVB, tmp105 is compatible */ @@ -116,6 +128,20 @@ static void npcm750_evb_i2c_init(NPCM7xxState *soc) i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 6), "tmp105", 0x48); } +static void quanta_gsj_i2c_init(NPCM7xxState *soc) +{ + /* GSJ machine have 4 max31725 temperature sensors, tmp105 is compatible. */ + i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 1), "tmp105", 0x5c); + i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 2), "tmp105", 0x5c); + i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 3), "tmp105", 0x5c); + i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), "tmp105", 0x5c); + + at24c_eeprom_init(soc, 9, 0x55, 8192); + at24c_eeprom_init(soc, 10, 0x55, 8192); + + /* TODO: Add additional i2c devices. */ +} + static void npcm750_evb_init(MachineState *machine) { NPCM7xxState *soc; @@ -141,6 +167,7 @@ static void quanta_gsj_init(MachineState *machine) npcm7xx_load_bootrom(machine, soc); npcm7xx_connect_flash(&soc->fiu[0], 0, "mx25l25635e", drive_get(IF_MTD, 0, 0)); + quanta_gsj_i2c_init(soc); npcm7xx_load_kernel(machine, soc); } |