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113 lines
4.2 KiB
C
113 lines
4.2 KiB
C
/*
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* OpenPOWER Witherspoon
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*
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* Copyright 2016 IBM Corp.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/arm/machines-qom.h"
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#include "hw/arm/aspeed.h"
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#include "hw/arm/aspeed_soc.h"
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#include "hw/misc/led.h"
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#include "hw/sensor/tmp105.h"
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#include "hw/i2c/smbus_eeprom.h"
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#include "hw/gpio/pca9552.h"
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/* Witherspoon hardware value: 0xF10AD216 */
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#define WITHERSPOON_BMC_HW_STRAP1 ( \
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AST2500_HW_STRAP1_DEFAULTS | \
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SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
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SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
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SCU_AST2500_HW_STRAP_UART_DEBUG | \
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SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
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SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
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SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
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static void witherspoon_bmc_i2c_init(AspeedMachineState *bmc)
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{
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static const struct {
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unsigned gpio_id;
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LEDColor color;
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const char *description;
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bool gpio_polarity;
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} pca1_leds[] = {
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{13, LED_COLOR_GREEN, "front-fault-4", GPIO_POLARITY_ACTIVE_LOW},
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{14, LED_COLOR_GREEN, "front-power-3", GPIO_POLARITY_ACTIVE_LOW},
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{15, LED_COLOR_GREEN, "front-id-5", GPIO_POLARITY_ACTIVE_LOW},
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};
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AspeedSoCState *soc = bmc->soc;
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uint8_t *eeprom_buf = g_malloc0(8 * 1024);
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DeviceState *dev;
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LEDState *led;
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/* Bus 3: TODO bmp280@77 */
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dev = DEVICE(i2c_slave_new(TYPE_PCA9552, 0x60));
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qdev_prop_set_string(dev, "description", "pca1");
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i2c_slave_realize_and_unref(I2C_SLAVE(dev),
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aspeed_i2c_get_bus(&soc->i2c, 3),
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&error_fatal);
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for (size_t i = 0; i < ARRAY_SIZE(pca1_leds); i++) {
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led = led_create_simple(OBJECT(bmc),
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pca1_leds[i].gpio_polarity,
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pca1_leds[i].color,
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pca1_leds[i].description);
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qdev_connect_gpio_out(dev, pca1_leds[i].gpio_id,
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qdev_get_gpio_in(DEVICE(led), 0));
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}
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 3), "dps310", 0x76);
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 3), "max31785", 0x52);
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "tmp423", 0x4c);
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), "tmp423", 0x4c);
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/* The Witherspoon expects a TMP275 but a TMP105 is compatible */
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), TYPE_TMP105,
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0x4a);
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/*
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* The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
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* good enough
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*/
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i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
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smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 11), 0x51,
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eeprom_buf);
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dev = DEVICE(i2c_slave_new(TYPE_PCA9552, 0x60));
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qdev_prop_set_string(dev, "description", "pca0");
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i2c_slave_realize_and_unref(I2C_SLAVE(dev),
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aspeed_i2c_get_bus(&soc->i2c, 11),
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&error_fatal);
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/* Bus 11: TODO ucd90160@64 */
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}
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static void aspeed_machine_witherspoon_class_init(ObjectClass *oc,
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const void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
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mc->desc = "OpenPOWER Witherspoon BMC (ARM1176)";
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amc->soc_name = "ast2500-a1";
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amc->hw_strap1 = WITHERSPOON_BMC_HW_STRAP1;
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amc->fmc_model = "mx25l25635f";
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amc->spi_model = "mx66l1g45g";
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amc->num_cs = 2;
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amc->i2c_init = witherspoon_bmc_i2c_init;
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mc->default_ram_size = 512 * MiB;
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aspeed_machine_class_init_cpus_defaults(mc);
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};
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static const TypeInfo aspeed_ast2500_witherspoon_types[] = {
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{
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.name = MACHINE_TYPE_NAME("witherspoon-bmc"),
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.parent = TYPE_ASPEED_MACHINE,
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.class_init = aspeed_machine_witherspoon_class_init,
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.interfaces = arm_machine_interfaces,
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}
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};
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DEFINE_TYPES(aspeed_ast2500_witherspoon_types)
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