hw/arm/fsl-imx6ul: Wire in the LCDIF device model
Instantiate LCDIF as a child object of the i.MX6UL SoC in init and realize it in the SoC realize path before MMIO/IRQ hookup. Also make FSL_IMX6UL select CONFIG_IMX6UL_LCDIF and map the LCDIF region with a 16 KiB size to match the SoC memory map. Signed-off-by: Yucai Liu <1486344514@qq.com> Message-id: 20260412110240.93116-3-yangyanglan718@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Yucai Liu committed
Apr 12, 2026 at 19:02 UTC
4cce7fe672905b362f9e9bd2a805ded9f640b673
3 files changed
+14
-3
hw/arm/Kconfig
+1
@@ -656,6 +656,7 @@ config FSL_IMX6UL
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imply I2C_DEVICES
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select A15MPCORE
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select IMX
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+ select IMX6UL_LCDIF
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select IMX_FEC
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select IMX_I2C
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select IMX_USBPHY
hw/arm/fsl-imx6ul.c
+10
-2
@@ -19,6 +19,7 @@
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/arm/fsl-imx6ul.h"
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+#include "hw/display/imx6ul_lcdif.h"
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#include "hw/misc/unimp.h"
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#include "hw/usb/imx-usb-phy.h"
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#include "hw/core/boards.h"
@@ -136,6 +137,11 @@ static void fsl_imx6ul_init(Object *obj)
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object_initialize_child(obj, name, &s->usb[i], TYPE_CHIPIDEA);
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}
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+ /*
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+ * LCDIF
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+ */
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+ object_initialize_child(obj, "lcdif", &s->lcdif, TYPE_IMX6UL_LCDIF);
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+
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/*
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* SDHCIs
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*/
@@ -656,8 +662,10 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error **errp)
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/*
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* LCD
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*/
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- create_unimplemented_device("lcdif", FSL_IMX6UL_LCDIF_ADDR,
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- FSL_IMX6UL_LCDIF_SIZE);
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+ sysbus_realize(SYS_BUS_DEVICE(&s->lcdif), &error_abort);
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+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->lcdif), 0, FSL_IMX6UL_LCDIF_ADDR);
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+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->lcdif), 0,
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+ qdev_get_gpio_in(gic, FSL_IMX6UL_LCDIF_IRQ));
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/*
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* CSU
include/hw/arm/fsl-imx6ul.h
+3
-1
@@ -33,6 +33,7 @@
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#include "hw/net/imx_fec.h"
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#include "hw/usb/chipidea.h"
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#include "hw/usb/imx-usb-phy.h"
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+#include "hw/display/imx6ul_lcdif.h"
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#include "system/memory.h"
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#include "target/arm/cpu.h"
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#include "qom/object.h"
@@ -84,6 +85,7 @@ struct FslIMX6ULState {
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IMX2WdtState wdt[FSL_IMX6UL_NUM_WDTS];
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IMXUSBPHYState usbphy[FSL_IMX6UL_NUM_USB_PHYS];
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ChipideaState usb[FSL_IMX6UL_NUM_USBS];
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+ IMX6ULLCDIFState lcdif;
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MemoryRegion rom;
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MemoryRegion caam;
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MemoryRegion ocram;
@@ -143,7 +145,7 @@ enum FslIMX6ULMemoryMap {
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FSL_IMX6UL_PXP_SIZE = (16 * KiB),
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FSL_IMX6UL_LCDIF_ADDR = 0x021C8000,
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- FSL_IMX6UL_LCDIF_SIZE = 0x100,
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+ FSL_IMX6UL_LCDIF_SIZE = (16 * KiB),
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FSL_IMX6UL_CSI_ADDR = 0x021C4000,
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FSL_IMX6UL_CSI_SIZE = 0x100,