Hi Manorit
Overall series looks ok but few comments below
On 8/28/2024 4:44 PM, Manorit Chawdhry wrote:
Refactor J784s4 SoC files to a common file which uses the
superset device to allow reuse in j742s2-evm which uses the subset part.
Signed-off-by: Manorit Chawdhry <m-chawdhry@xxxxxx>
Reviewed-by: Beleswar Padhi <b-padhi@xxxxxx>
---
.../arm64/boot/dts/ti/k3-j784s4-j742s2-common.dtsi | 150 ++
.../boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 2667 ++++++++++++++++++
...tsi => k3-j784s4-j742s2-mcu-wakeup-common.dtsi} | 2 +-
...l.dtsi => k3-j784s4-j742s2-thermal-common.dtsi} | 0
arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 2847 +-------------------
arch/arm64/boot/dts/ti/k3-j784s4.dtsi | 135 +-
6 files changed, 2914 insertions(+), 2887 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-common.dtsi
new file mode 100644
index 000000000000..43fee57f0926
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-common.dtsi
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/*
+ * Device Tree Source for J784S4 and J742S2 SoC Family
+ *
+ * TRM (j784s4) (SPRUJ43 JULY 2022): https://www.ti.com/lit/zip/spruj52
+ * TRM (j742s2): https://www.ti.com/lit/pdf/spruje3
+ *
[..] <0x00 0x01000000 0x00 0x01000000 0x00 0x0d000000>, /* Most peripherals */
+ <0x00 0x04210000 0x00 0x04210000 0x00 0x00010000>, /* VPU0 */
+ <0x00 0x04220000 0x00 0x04220000 0x00 0x00010000>, /* VPU1 */
+ <0x00 0x0d000000 0x00 0x0d000000 0x00 0x00800000>, /* PCIe0 Core*/
+ <0x00 0x0d800000 0x00 0x0d800000 0x00 0x00800000>, /* PCIe1 Core*/
+ <0x00 0x0e000000 0x00 0x0e000000 0x00 0x00800000>, /* PCIe2 Core*/
+ <0x00 0x0e800000 0x00 0x0e800000 0x00 0x00800000>, /* PCIe3 Core*/
PCie2 and PCIe3 ranges are not common across these devices,
Do you want to move this into J784s4 specific file
Same comment for PCIe region DAT below
[..]
<0x42 0x00000000 0x42 0x00000000 0x01 0x00000000>, /* PCIe2 DAT1 */
+ <0x43 0x00000000 0x43 0x00000000 0x01 0x00000000>, /* PCIe3 DAT1 */
[..]
+#include "k3-j784s4-j742s2-main-common.dtsi"
+#include "k3-j784s4-j742s2-mcu-wakeup-common.dtsi"
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
[...]
+
+&cbass_main {
+ msmc_ram: sram@70000000 {
+ compatible = "mmio-sram";
+ reg = <0x00 0x70000000 0x00 0x800000>;
Table 2-1 of J742S2 TRM says msmc RAM is 4MB and on J784S4 this is 8MB
Please see, if you can address that
[...]
