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| author | Peter Delevoryas <peter@pjd.dev> | 2023-02-07 09:02:04 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2023-02-07 09:02:04 +0100 |
| commit | 9618ebae453f2492a60e741d40f5212103f48ad3 (patch) | |
| tree | 58271d4186260f525d0b841d4a70390c86b71a67 /hw/nvram | |
| parent | ddbf7bd73c9c79dc48f5981100876242df533d8e (diff) | |
| download | qemu-9618ebae453f2492a60e741d40f5212103f48ad3.zip qemu-9618ebae453f2492a60e741d40f5212103f48ad3.tar.gz qemu-9618ebae453f2492a60e741d40f5212103f48ad3.tar.bz2 | |
hw/arm: Extract at24c_eeprom_init helper from Aspeed and Nuvoton boards
This helper is useful in board initialization because lets users initialize and
realize an EEPROM on an I2C bus with a single function call.
Signed-off-by: Peter Delevoryas <peter@pjd.dev>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Corey Minyard <cminyard@mvista.com>
Link: https://lore.kernel.org/r/20230128060543.95582-2-peter@pjd.dev
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/nvram')
| -rw-r--r-- | hw/nvram/eeprom_at24c.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c index 2d4d8b9..98857e3 100644 --- a/hw/nvram/eeprom_at24c.c +++ b/hw/nvram/eeprom_at24c.c @@ -12,6 +12,7 @@ #include "qapi/error.h" #include "qemu/module.h" #include "hw/i2c/i2c.h" +#include "hw/nvram/eeprom_at24c.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" #include "sysemu/block-backend.h" @@ -128,6 +129,17 @@ int at24c_eeprom_send(I2CSlave *s, uint8_t data) return 0; } +I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size) +{ + I2CSlave *i2c_dev = i2c_slave_new(TYPE_AT24C_EE, address); + DeviceState *dev = DEVICE(i2c_dev); + + qdev_prop_set_uint32(dev, "rom-size", rom_size); + i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort); + + return i2c_dev; +} + static void at24c_eeprom_realize(DeviceState *dev, Error **errp) { EEPROMState *ee = AT24C_EE(dev); |