hw/arm/xlnx-versal: Add unimplemented APU mmio

Add unimplemented APU mmio region to xlnx-versal for booting
bare-metal guests built with standalone bsp, which access the
region from one of the following places:
  https://github.com/Xilinx/embeddedsw/blob/release-2020.2/lib/bsp/standalone/src/arm/ARMv8/64bit/armclang/boot.S#L139
  https://github.com/Xilinx/embeddedsw/blob/release-2020.2/lib/bsp/standalone/src/arm/ARMv8/64bit/gcc/boot.S#L183

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Tong Ho <tong.ho@xilinx.com>
Message-id: 20210823173818.201259-2-tong.ho@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index d60eb4fb184f40a4cfeffbe23c32e0d3f4a85362..547a26603a3310a72f9c3028a4ba2e869c7f4e16 100644 (file)
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -378,6 +378,8 @@ static void versal_unimp(Versal *s)
                         MM_CRL, MM_CRL_SIZE);
     versal_unimp_area(s, "crf", &s->mr_ps,
                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
+    versal_unimp_area(s, "apu", &s->mr_ps,
+                        MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
     versal_unimp_area(s, "crp", &s->mr_ps,
                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
     versal_unimp_area(s, "iou-scntr", &s->mr_ps,

diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
index 22a8fa5d11b6c8f055daeb8035b52afd7dd411ce..9b790517478d27d9b7986a453bbed2a13b072ef9 100644 (file)
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -167,6 +167,8 @@ struct Versal {
 #define MM_IOU_SCNTRS_SIZE          0x10000
 #define MM_FPD_CRF                  0xfd1a0000U
 #define MM_FPD_CRF_SIZE             0x140000
+#define MM_FPD_FPD_APU              0xfd5c0000
+#define MM_FPD_FPD_APU_SIZE         0x100
 
 #define MM_PMC_SD0                  0xf1040000U
 #define MM_PMC_SD0_SIZE             0x10000