Add the I2C controllers/switches and EEPROMs attached to Zynq boards.
Signed-off-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
---
hw/xilinx_zynq.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c
index 311f791..2608015 100644
--- a/hw/xilinx_zynq.c
+++ b/hw/xilinx_zynq.c
@@ -25,6 +25,7 @@
#include "sysemu/blockdev.h"
#include "loader.h"
#include "ssi.h"
+#include "i2c.h"
#define NUM_SPI_FLASHES 4
#define NUM_QSPI_FLASHES 2
@@ -33,6 +34,8 @@
#define FLASH_SIZE (64 * 1024 * 1024)
#define FLASH_SECTOR_SIZE (128 * 1024)
+#define NUM_I2C_EEPROMS 2
+
#define IRQ_OFFSET 32 /* pic interrupts start from index 32 */
static struct arm_boot_info zynq_binfo = {};
@@ -93,6 +96,30 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr,
qemu_irq irq,
}
+static inline void zynq_init_zc70x_i2c(uint32_t base_addr, qemu_irq irq)
+{
+ DeviceState *dev = sysbus_create_simple("cadence.i2c", base_addr, irq);
+ i2c_bus *i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
+ int i, bus;
+
+ dev = i2c_create_slave(i2c, "pca9548", 0);
+ for (bus = 2; bus <= 3; bus++) {
+ char bus_name[16];
+
+ snprintf(bus_name, sizeof(bus_name), "i2c%d", bus);
+ i2c = (i2c_bus *)qdev_get_child_bus(dev, bus_name);
+ assert(i2c);
+
+ assert(NUM_I2C_EEPROMS <= 2); /* not enough address space for anymore
*/
+ for (i = 0; i < NUM_I2C_EEPROMS; ++i) {
+ DeviceState *eeprom_dev = i2c_create_slave_no_init(i2c, "m24cxx",
+ 0x50 + 0x4 * i);
+ qdev_prop_set_uint16(eeprom_dev, "size", 1024); /* M24C08 */
+ qdev_init_nofail(eeprom_dev);
+ }
+ }
+}
+
static void zynq_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
@@ -163,6 +190,9 @@ static void zynq_init(QEMUMachineInitArgs *args)
pic[n] = qdev_get_gpio_in(dev, n);
}
+ zynq_init_zc70x_i2c(0xE0004000, pic[57-IRQ_OFFSET]);
+ zynq_init_zc70x_i2c(0xE0005000, pic[80-IRQ_OFFSET]);
+
zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET], false);
zynq_init_spi_flashes(0xE0007000, pic[81-IRQ_OFFSET], false);
zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true);
--
1.7.0.4
