On 10/31/2025 3:17 PM, Neha Malcom Francis wrote:
Hi Udit
On 31/10/25 15:00, Kumar, Udit wrote:
On 10/31/2025 11:04 AM, Neha Malcom Francis wrote:
Update the DDR configuration for J721S2 according to the SysConfig
DDR Configuration tool v0.12.0. Log of changes between 0.9.1 to 0.12.0
is [0].
[0]
https://dev.ti.com/tirex/content/TDA4x_DRA8x_AM67x-AM69x_DDR_Config_0.12.00.0000/docs/RevisionHistory.html
Signed-off-by: Neha Malcom Francis <[email protected]>
---
arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi | 591 ++++++++++---------
1 file changed, 307 insertions(+), 284 deletions(-)
diff --git a/arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
b/arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
index c91576bf093..ecd42b1cf4d 100644
--- a/arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
+++ b/arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
@@ -1,11 +1,23 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright (C) 2021 Texas Instruments Incorporated -
https://www.ti.com/
- * This file was generated by the Jacinto7_DDRSS_RegConfigTool,
Revision: 0.7.0
- * This file was generated on 10/14/2021
- */
+ * Copyright (C) 2023 Texas Instruments Incorporated -
http://www.ti.com/
+ * This file was generated with the following tool revisions:
+ * - SysConfig: Revision 1.25.0+4268
+ * - Jacinto7_DDRSS_RegConfigTool: Revision 0.12.0
+ * This file was generated on Thu Oct 30 2025 14:46:29 GMT+0530
(India Standard Time)
+ *
+ * Multi DDR Configuration (table based on register configuration
tool inputs):
+ * |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
+ * | DDRSS | PHYSICAL SIZE | SOFTWARE ACCESSIBLE SIZE |
+ * |~~~~~~~|~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|
+ * | 0 | 8 GB | 8 GB |
+ * |~~~~~~~|~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|
+ * | 1 | 8 GB | 8 GB |
+ * |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
+*/
-#define DDRSS_PLL_FHS_CNT 10
+#define DDRSS_PLL_FHS_CNT 5
+#define DDRSS1_PLL_FHS_CNT 5
#define DDRSS_PLL_FREQUENCY_0 27500000
#define DDRSS_PLL_FREQUENCY_1 1066500000
#define DDRSS_PLL_FREQUENCY_2 1066500000
@@ -16,6 +28,15 @@
#define MULTI_DDR_CFG_HYBRID_SELECT 0
#define MULTI_DDR_CFG_EMIFS_ACTIVE 3
[..] #define DDRSS1_PHY_1420_DATA 0x3F0DFF11
#define DDRSS1_PHY_1421_DATA 0x01FF00F0
#define DDRSS1_PHY_1422_DATA 0x20040006
+
+
<blank line > also in patch 3/6
As mentioned in the cover letter, I did not want to hand edit this
configuration file so haven't made any modifications. I will work on
getting the tool to output data compliant to checkpatch rules.
Is that okay?
Yes , Thanks
