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[Qemu-arm] [PATCH v3 3/6] smbus: add a smbus_eeprom_init_one() routine
From: |
Cédric Le Goater |
Subject: |
[Qemu-arm] [PATCH v3 3/6] smbus: add a smbus_eeprom_init_one() routine |
Date: |
Fri, 13 Oct 2017 16:28:49 +0200 |
This is an helper routine to add a single EEPROM on an I2C bus. It can
be directly used by smbus_eeprom_init() which adds a certain number of
EEPROMs on mips and x86 machines.
Signed-off-by: Cédric Le Goater <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
---
hw/i2c/smbus_eeprom.c | 16 +++++++++++-----
include/hw/i2c/smbus.h | 1 +
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c
index b13ec0fe7a2a..2d24a4cd59bf 100644
--- a/hw/i2c/smbus_eeprom.c
+++ b/hw/i2c/smbus_eeprom.c
@@ -140,6 +140,16 @@ static void smbus_eeprom_register_types(void)
type_init(smbus_eeprom_register_types)
+void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t *eeprom_buf)
+{
+ DeviceState *dev;
+
+ dev = qdev_create((BusState *) smbus, "smbus-eeprom");
+ qdev_prop_set_uint8(dev, "address", address);
+ qdev_prop_set_ptr(dev, "data", eeprom_buf);
+ qdev_init_nofail(dev);
+}
+
void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
const uint8_t *eeprom_spd, int eeprom_spd_size)
{
@@ -150,10 +160,6 @@ void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
}
for (i = 0; i < nb_eeprom; i++) {
- DeviceState *eeprom;
- eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
- qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
- qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
- qdev_init_nofail(eeprom);
+ smbus_eeprom_init_one(smbus, 0x50 + i, eeprom_buf + (i * 256));
}
}
diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus.h
index 544bbc19574f..666cdeb04c07 100644
--- a/include/hw/i2c/smbus.h
+++ b/include/hw/i2c/smbus.h
@@ -77,6 +77,7 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t
command, uint8_t *data);
int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t
*data,
int len);
+void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t
*eeprom_buf);
void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
const uint8_t *eeprom_spd, int size);
--
2.13.6
- [Qemu-arm] [PATCH v3 0/6] aspeed: add a witherspoon-bmc machine, Cédric Le Goater, 2017/10/13
- [Qemu-arm] [PATCH v3 2/6] aspeed: add an I2C RTC device to all machines, Cédric Le Goater, 2017/10/13
- [Qemu-arm] [PATCH v3 3/6] smbus: add a smbus_eeprom_init_one() routine,
Cédric Le Goater <=
- [Qemu-arm] [PATCH v3 4/6] aspeed: Add EEPROM I2C devices, Cédric Le Goater, 2017/10/13
- [Qemu-arm] [PATCH v3 5/6] misc: add pca9552 LED blinker model, Cédric Le Goater, 2017/10/13
- [Qemu-arm] [PATCH v3 6/6] aspeed: add the pc9552 chips to the witherspoon machine, Cédric Le Goater, 2017/10/13