[PATCH v2 17/18] hw/arm/fsl-imx8mp: Add on-chip RAM

[Bernhard Beschow <shentey@gmail.com>]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 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 4dbe30f524..03f057c7db 100644
--- a/include/hw/arm/fsl-imx8mp.h
+++ b/include/hw/arm/fsl-imx8mp.h
@@ -69,6 +69,7 @@ struct FslImx8mpState {
     FslImx8mPciePhyState   pcie_phy;
     OrIRQState         gpt5_gpt6_irq;
     MemoryRegion       boot_rom;
+    MemoryRegion       ocram;
 
     uint32_t           phy_num;
     bool               phy_connected;
diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c
index f26cf5984e..4e6c4d0767 100644
--- a/hw/arm/fsl-imx8mp.c
+++ b/hw/arm/fsl-imx8mp.c
@@ -661,6 +661,16 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
                                 fsl_imx8mp_memmap[FSL_IMX8MP_BOOT_ROM].addr,
                                 &s->boot_rom);
 
+    /* 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 = 0; i < ARRAY_SIZE(fsl_imx8mp_memmap); i++) {
         switch (i) {
@@ -673,6 +683,7 @@ 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:
-- 
2.48.1