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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 43/43] hw/arm/fsl-imx8mp: Add on-chip RAM
Date: Tue, 25 Feb 2025 18:05:09 +0000
Message-ID: <20250225180510.1318207-44-peter.maydell@linaro.org>
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From: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-18-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
include/hw/arm/fsl-imx8mp.h | 1 +
hw/arm/fsl-imx8mp.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/include/hw/arm/fsl-imx8mp.h b/include/hw/arm/fsl-imx8mp.h
index 5247e972b88..bc97fc416eb 100644
--- a/include/hw/arm/fsl-imx8mp.h
+++ b/include/hw/arm/fsl-imx8mp.h
@@ -68,6 +68,7 @@ struct FslImx8mpState {
DesignwarePCIEHost pcie;
FslImx8mPciePhyState pcie_phy;
OrIRQState gpt5_gpt6_irq;
+ MemoryRegion ocram;
=20
uint32_t phy_num;
bool phy_connected;
diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c
index 0880f0c7244..1ea98e14635 100644
--- a/hw/arm/fsl-imx8mp.c
+++ b/hw/arm/fsl-imx8mp.c
@@ -644,6 +644,16 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error=
**errp)
sysbus_mmio_map(SYS_BUS_DEVICE(&s->pcie_phy), 0,
fsl_imx8mp_memmap[FSL_IMX8MP_PCIE_PHY1].addr);
=20
+ /* On-Chip RAM */
+ if (!memory_region_init_ram(&s->ocram, NULL, "imx8mp.ocram",
+ fsl_imx8mp_memmap[FSL_IMX8MP_OCRAM].size,
+ errp)) {
+ return;
+ }
+ memory_region_add_subregion(get_system_memory(),
+ fsl_imx8mp_memmap[FSL_IMX8MP_OCRAM].addr,
+ &s->ocram);
+
/* Unimplemented devices */
for (i =3D 0; i < ARRAY_SIZE(fsl_imx8mp_memmap); i++) {
switch (i) {
@@ -655,6 +665,7 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error =
**errp)
case FSL_IMX8MP_ECSPI1 ... FSL_IMX8MP_ECSPI3:
case FSL_IMX8MP_ENET1:
case FSL_IMX8MP_I2C1 ... FSL_IMX8MP_I2C6:
+ case FSL_IMX8MP_OCRAM:
case FSL_IMX8MP_PCIE1:
case FSL_IMX8MP_PCIE_PHY1:
case FSL_IMX8MP_RAM:
--=20
2.43.0