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aspeed: Add I2C buses to AST1030 model 

Instantiate the I2C buses in AST1030 model and create two slave device
for ast1030-evb.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
[ clg : - adapted to current AST1030 upstream models
        - changed AST2600 to AST1030 in comment
        - fixed typo in commit log ]
Message-Id: <20220324100439.478317-3-troy_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Troy Lee 2022-06-13 14:05:48 +02:00 committed by Cédric Le Goater
parent b35802ce31
commit 4c70ab168d
2 changed files with 31 additions and 0 deletions
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13
hw/arm/aspeed.c
View File

@ -1397,6 +1397,18 @@ static void aspeed_minibmc_machine_init(MachineState *machine)
AST1030_INTERNAL_FLASH_SIZE);
}
static void ast1030_evb_i2c_init(AspeedMachineState *bmc)
{
AspeedSoCState *soc = &bmc->soc;
/* U10 24C08 connects to SDA/SCL Groupt 1 by default */
uint8_t *eeprom_buf = g_malloc0(32 * 1024);
smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50, eeprom_buf);
/* U11 LM75 connects to SDA/SCL Group 2 by default */
i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 0x4d);
}
static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc,
void *data)
{
@ -1408,6 +1420,7 @@ static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc,
amc->hw_strap1 = 0;
amc->hw_strap2 = 0;
mc->init = aspeed_minibmc_machine_init;
amc->i2c_init = ast1030_evb_i2c_init;
mc->default_ram_size = 0;
mc->default_cpus = mc->min_cpus = mc->max_cpus = 1;
amc->fmc_model = "sst25vf032b";

18
hw/arm/aspeed_ast10x0.c
View File

@ -114,6 +114,9 @@ static void aspeed_soc_ast1030_init(Object *obj)
object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1");
object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), "hw-strap2");
snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
object_initialize_child(obj, "i2c", &s->i2c, typename);
snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
@ -188,6 +191,21 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
/* I2C */
object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(&s->sram),
&error_abort);
if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->armv7m),
sc->irqmap[ASPEED_DEV_I2C] + i);
/* The AST1030 I2C controller has one IRQ per bus. */
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
}
/* LPC */
if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
return;