Sec S3c2443x Test B D Driver

/* 3. Initialize hardware */ sec_testbd_reset(testbd); sec_testbd_configure(testbd, DEFAULT_MODE);

The Sec S3c2443x Test B D Driver is a reference implementation of a low‑level device driver for the Sec S3c2443x series of System‑on‑Chip (SoC) peripherals. It is primarily used in embedded Linux environments to validate the functionality of the “Test B D” hardware block, which provides a programmable interface for secure data handling, cryptographic acceleration, and DMA‑based I/O. Sec S3c2443x Test B D Driver

device_create(class, NULL, dev_num, NULL, "sec_testbd"); return 0; /* 3. Initialize hardware */ sec_testbd_reset(testbd)

# Verify device node ls -l /dev/sec_testbd # → crw-rw---- 1 root video 250, 0 Mar 23 12:34 /dev/sec_testbd and DMA‑based I/O. device_create(class

/* 1. Acquire memory region */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); testbd->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(testbd->base)) return PTR_ERR(testbd->base);