diff options
Diffstat (limited to 'hw/xilinx_zynq.c')
| -rw-r--r-- | hw/xilinx_zynq.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c index c55dafba6b..00262350b6 100644 --- a/hw/xilinx_zynq.c +++ b/hw/xilinx_zynq.c @@ -27,6 +27,8 @@ #include "ssi.h" #define NUM_SPI_FLASHES 4 +#define NUM_QSPI_FLASHES 2 +#define NUM_QSPI_BUSSES 2 #define FLASH_SIZE (64 * 1024 * 1024) #define FLASH_SECTOR_SIZE (128 * 1024) @@ -49,30 +51,43 @@ static void gem_init(NICInfo *nd, uint32_t base, qemu_irq irq) sysbus_connect_irq(s, 0, irq); } -static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq) +static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, + bool is_qspi) { DeviceState *dev; SysBusDevice *busdev; SSIBus *spi; - int i; + int i, j; + int num_busses = is_qspi ? NUM_QSPI_BUSSES : 1; + int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES; dev = qdev_create(NULL, "xilinx,spips"); + qdev_prop_set_uint8(dev, "num-txrx-bytes", is_qspi ? 4 : 1); + qdev_prop_set_uint8(dev, "num-ss-bits", num_ss); + qdev_prop_set_uint8(dev, "num-busses", num_busses); qdev_init_nofail(dev); busdev = sysbus_from_qdev(dev); sysbus_mmio_map(busdev, 0, base_addr); + if (is_qspi) { + sysbus_mmio_map(busdev, 1, 0xFC000000); + } sysbus_connect_irq(busdev, 0, irq); - spi = (SSIBus *)qdev_get_child_bus(dev, "spi"); - - for (i = 0; i < NUM_SPI_FLASHES; ++i) { + for (i = 0; i < num_busses; ++i) { + char bus_name[16]; qemu_irq cs_line; - dev = ssi_create_slave_no_init(spi, "m25p80"); - qdev_prop_set_string(dev, "partname", "n25q128"); - qdev_init_nofail(dev); + snprintf(bus_name, 16, "spi%d", i); + spi = (SSIBus *)qdev_get_child_bus(dev, bus_name); - cs_line = qdev_get_gpio_in(dev, 0); - sysbus_connect_irq(busdev, i+1, cs_line); + for (j = 0; j < num_ss; ++j) { + dev = ssi_create_slave_no_init(spi, "m25p80"); + qdev_prop_set_string(dev, "partname", "n25q128"); + qdev_init_nofail(dev); + + cs_line = qdev_get_gpio_in(dev, 0); + sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line); + } } } @@ -147,8 +162,9 @@ static void zynq_init(QEMUMachineInitArgs *args) pic[n] = qdev_get_gpio_in(dev, n); } - zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET]); - zynq_init_spi_flashes(0xE0007000, pic[81-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); sysbus_create_simple("cadence_uart", 0xE0000000, pic[59-IRQ_OFFSET]); sysbus_create_simple("cadence_uart", 0xE0001000, pic[82-IRQ_OFFSET]); |