From: Joel Stanley Date: Mon, 20 Sep 2021 06:50:59 +0000 (+0200) Subject: arm/aspeed: rainier: Add i2c eeproms and muxes X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=fa6d98c0608ccc1591c2c2f50d168078b8c38214;p=qmiga%2Fqemu.git arm/aspeed: rainier: Add i2c eeproms and muxes These are the devices documented by the Rainier device tree. With this we can see the guest discovering the multiplexers and probing the eeprom devices: i2c i2c-2: Added multiplexed i2c bus 16 i2c i2c-2: Added multiplexed i2c bus 17 i2c i2c-2: Added multiplexed i2c bus 18 i2c i2c-2: Added multiplexed i2c bus 19 i2c-mux-gpio i2cmux: 4 port mux on 1e78a180.i2c-bus adapter at24 20-0050: 8192 byte 24c64 EEPROM, writable, 1 bytes/write i2c i2c-4: Added multiplexed i2c bus 20 at24 21-0051: 8192 byte 24c64 EEPROM, writable, 1 bytes/write i2c i2c-4: Added multiplexed i2c bus 21 at24 22-0052: 8192 byte 24c64 EEPROM, writable, 1 bytes/write Signed-off-by: Joel Stanley [ clg: Introduced aspeed_eeprom_init ] Message-Id: <20210629142336.750058-2-clg@kaod.org> Signed-off-by: Cédric Le Goater --- diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index 20e3a77160..952fb2012a 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -674,9 +674,21 @@ static void g220a_bmc_i2c_init(AspeedMachineState *bmc) eeprom_buf); } +static void aspeed_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize) +{ + 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, bus, &error_abort); +} + static void rainier_bmc_i2c_init(AspeedMachineState *bmc) { AspeedSoCState *soc = &bmc->soc; + I2CSlave *i2c_mux; + + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 0), 0x51, 32 * KiB); /* The rainier expects a TMP275 but a TMP105 is compatible */ i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), TYPE_TMP105, @@ -685,11 +697,20 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) 0x49); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), TYPE_TMP105, 0x4a); + i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), + "pca9546", 0x70); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x52, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), TYPE_TMP105, 0x48); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), TYPE_TMP105, 0x49); + i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), + "pca9546", 0x70); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), TYPE_TMP105, 0x48); @@ -697,6 +718,12 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) 0x4a); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), TYPE_TMP105, 0x4b); + i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), + "pca9546", 0x70); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x50, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 3), 0x51, 64 * KiB); /* Bus 7: TODO dps310@76 */ /* Bus 7: TODO max31785@52 */ @@ -704,11 +731,15 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) /* Bus 7: TODO si7021-a20@20 */ i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), TYPE_TMP105, 0x48); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x50, 64 * KiB); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x51, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), TYPE_TMP105, 0x48); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), TYPE_TMP105, 0x4a); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x50, 64 * KiB); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x51, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "pca9552", 0x61); /* Bus 8: ucd90320@11 */ /* Bus 8: ucd90320@b */ @@ -716,14 +747,27 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "tmp423", 0x4c); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "tmp423", 0x4d); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 9), 0x50, 128 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "tmp423", 0x4c); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "tmp423", 0x4d); + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 10), 0x50, 128 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), TYPE_TMP105, 0x48); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), TYPE_TMP105, 0x49); + i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), + "pca9546", 0x70); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + + + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 13), 0x50, 64 * KiB); + + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 14), 0x50, 64 * KiB); + + aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 15), 0x50, 64 * KiB); } static bool aspeed_get_mmio_exec(Object *obj, Error **errp)