From c547abfc87ae47797e3450bcbf85b593a5585903 Mon Sep 17 00:00:00 2001 From: Adrian Lees Date: Wed, 24 Sep 2025 12:14:35 +0100 Subject: [PATCH] Document the new system info registers DNA value, main memory size and the HyperRAM capacities are presented in additional system info registers. See the hjson for a fuller description of the new register values. --- doc/ip/system_info.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/ip/system_info.md b/doc/ip/system_info.md index 5039efb9d..932d77d1f 100644 --- a/doc/ip/system_info.md +++ b/doc/ip/system_info.md @@ -13,3 +13,8 @@ These values are useful to know what the parameters were when a bitstream was ge | 0x0014 | UART info of which least significant byte is the number of instances. | 0x0018 | I2C info of which least significant byte is the number of instances. | 0x001C | SPI info of which least significant byte is the number of instances. +| 0x0020 | Initiate capture of 'DNA value' identifying the specific device. +| 0x0024 | Next bit of the 57-bit 'DNA value' may be read in the least significant bit. +| 0x0028 | Size of the main memory in kibibytes (KiB). +| 0x002C | Size of the HyperRAM in kibibytes (KiB). +| 0x0030 | Size of the tagged (capability aware) portion of the HyperRAM (KiB).