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hw/arm: Extract at24c_eeprom_init helper from Aspeed and Nuvoton boards

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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>
This commit is contained in:
Peter Delevoryas 2023-02-07 09:02:04 +01:00 • committed by Cédric Le Goater
parent ddbf7bd73c
commit 9618ebae45
4 changed files with 41 additions and 24 deletions
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12
hw/nvram/eeprom_at24c.c
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@ -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);