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Update DDR info for SL1640 #26

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Merged
aduggan-syna merged 5 commits into from
Mar 13, 2026
Merged

Update DDR info for SL1640 #26

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8ad3982
Remove 3GB DDR in memory layout guide
aduggan-syna Mar 5, 2026
77170b1
Update SL1640 DRAM info in SL1640 HW User Guide
aduggan-syna Mar 12, 2026
6463327
Add 1GB memory layout to SL1640 in memory layout customization guide
aduggan-syna Mar 12, 2026
8ee093b
Remove 3GB memory layout for SL1640 in scarthgap release notes
aduggan-syna Mar 12, 2026
d6ca0fb
Correct System memory size for SL1640 1GB
aduggan-syna Mar 13, 2026
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3 changes: 1 addition & 2 deletions hw/sl1640.rst
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Expand Up @@ -76,8 +76,7 @@ The SL1640-based evaluation system includes the following components:

- Storage: eMMC 5.1 (16 GB)

- DRAM: DRAM: Up to x32 2GB system memory by 1pcs x32 16 Gbit
LPDDR4x-3733
- DRAM: Up to x32 4GB system memory by 1pcs x32 16 Gbit LPDDR4x-3733

- PMIC: two support DVFS in Vcore and Vcpu supply rails

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4 changes: 0 additions & 4 deletions release_notes/scarthgap_6.12_v2.0.0.rst
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Expand Up @@ -412,14 +412,10 @@ General Modules, Peripherals, and Interfaces Supported
| | +----------+--------------------------------------------------------+
| | | LPDDR4 | 2GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| | +----------+--------------------------------------------------------+
| | | LPDDR4x | 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| +--------+----------+--------------------------------------------------------+
| | SL1680 | LPDDR4 | 2GB 3733 Mbps |
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4 changes: 0 additions & 4 deletions release_notes/scarthgap_6.12_v2.1.0.rst
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Expand Up @@ -457,14 +457,10 @@ General Modules, Peripherals, and Interfaces Supported
| | +----------+--------------------------------------------------------+
| | | LPDDR4 | 2GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| | +----------+--------------------------------------------------------+
| | | LPDDR4x | 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| +--------+----------+--------------------------------------------------------+
| | SL1680 | LPDDR4 | 2GB 3733 Mbps |
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2 changes: 0 additions & 2 deletions release_notes/scarthgap_6.12_v2.2.0.rst
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Expand Up @@ -470,8 +470,6 @@ General Modules, Peripherals, and Interfaces Supported
| | +----------+--------------------------------------------------------+
| | | LPDDR4 | 2GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| | +----------+--------------------------------------------------------+
| | | LPDDR4x | 3733 Mbps |
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4 changes: 0 additions & 4 deletions release_notes/scarthgap_6.12_v2.2.1.rst
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Expand Up @@ -413,14 +413,10 @@ General Modules, Peripherals, and Interfaces Supported
| | +----------+--------------------------------------------------------+
| | | LPDDR4 | 2GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| | +----------+--------------------------------------------------------+
| | | LPDDR4x | 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 3GB 3733 Mbps |
| | | +--------------------------------------------------------+
| | | | 4GB 3733 Mbps |
| +--------+----------+--------------------------------------------------------+
| | SL1680 | LPDDR4 | 2GB 3733 Mbps |
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8 changes: 4 additions & 4 deletions subject/memory_layout_customization.rst
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Expand Up @@ -63,17 +63,17 @@ SL1640 Memory Layout
+-------------------+------------------------+----------------------------+
| Memory Size | Memory Section | Size |
+-------------------+------------------------+----------------------------+
| 2 GB DDR | NonSecure (CMA) | 260MB |
| 1 GB DDR | NonSecure (CMA) | 236MB |
| +------------------------+----------------------------+
| | System | 1.948GB |
| | System | 902MB |
| +------------------------+----------------------------+
| | NonSecure (Non-cached) | 8MB |
| +------------------------+----------------------------+
| | Secure | 16MB |
+-------------------+------------------------+----------------------------+
| 3 GB DDR | NonSecure (CMA) | 500MB |
| 2 GB DDR | NonSecure (CMA) | 260MB |
| +------------------------+----------------------------+
| | System | 2.901GB |
| | System | 1.948GB |
| +------------------------+----------------------------+
| | NonSecure (Non-cached) | 8MB |
| +------------------------+----------------------------+
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