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/Linux-v5.10/drivers/char/hw_random/
Datmel-rng.c42 struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng); in atmel_trng_read() local
46 if (readl(trng->base + TRNG_ISR) & 1) { in atmel_trng_read()
47 *data = readl(trng->base + TRNG_ODATA); in atmel_trng_read()
54 readl(trng->base + TRNG_ISR); in atmel_trng_read()
60 static void atmel_trng_enable(struct atmel_trng *trng) in atmel_trng_enable() argument
62 writel(TRNG_KEY | 1, trng->base + TRNG_CR); in atmel_trng_enable()
65 static void atmel_trng_disable(struct atmel_trng *trng) in atmel_trng_disable() argument
67 writel(TRNG_KEY, trng->base + TRNG_CR); in atmel_trng_disable()
72 struct atmel_trng *trng; in atmel_trng_probe() local
76 trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL); in atmel_trng_probe()
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Dxiphera-trng.c25 /* trng statuses */
38 struct xiphera_trng *trng = container_of(rng, struct xiphera_trng, rng); in xiphera_trng_read() local
43 if (readl(trng->mem + STATUS_REG) == TRNG_NEW_RAND_AVAILABLE) { in xiphera_trng_read()
44 *(u32 *)buf = readl(trng->mem + RAND_REG); in xiphera_trng_read()
46 * Inform the trng of the read in xiphera_trng_read()
49 writel(HOST_TO_TRNG_READ, trng->mem + CONTROL_REG); in xiphera_trng_read()
50 writel(HOST_TO_TRNG_ENABLE, trng->mem + CONTROL_REG); in xiphera_trng_read()
64 struct xiphera_trng *trng; in xiphera_trng_probe() local
68 trng = devm_kzalloc(dev, sizeof(*trng), GFP_KERNEL); in xiphera_trng_probe()
69 if (!trng) in xiphera_trng_probe()
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Dingenic-trng.c40 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_init() local
43 ctrl = readl(trng->base + TRNG_REG_CFG_OFFSET); in ingenic_trng_init()
45 writel(ctrl, trng->base + TRNG_REG_CFG_OFFSET); in ingenic_trng_init()
52 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_cleanup() local
55 ctrl = readl(trng->base + TRNG_REG_CFG_OFFSET); in ingenic_trng_cleanup()
57 writel(ctrl, trng->base + TRNG_REG_CFG_OFFSET); in ingenic_trng_cleanup()
62 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_read() local
67 ret = readl_poll_timeout(trng->base + TRNG_REG_STATUS_OFFSET, status, in ingenic_trng_read()
74 *data = readl(trng->base + TRNG_REG_RANDOMNUM_OFFSET); in ingenic_trng_read()
81 struct ingenic_trng *trng; in ingenic_trng_probe() local
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Dexynos-trng.c58 struct exynos_trng_dev *trng; in exynos_trng_do_read() local
63 trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_do_read()
65 writel_relaxed(max * 8, trng->mem + EXYNOS_TRNG_FIFO_CTRL); in exynos_trng_do_read()
66 val = readl_poll_timeout(trng->mem + EXYNOS_TRNG_FIFO_CTRL, val, in exynos_trng_do_read()
71 memcpy_fromio(data, trng->mem + EXYNOS_TRNG_FIFO_0, max); in exynos_trng_do_read()
78 struct exynos_trng_dev *trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_init() local
82 sss_rate = clk_get_rate(trng->clk); in exynos_trng_init()
85 * For most TRNG circuits the clock frequency of under 500 kHz in exynos_trng_init()
90 dev_err(trng->dev, "clock divider too large: %d", val); in exynos_trng_init()
94 writel_relaxed(val, trng->mem + EXYNOS_TRNG_CLKDIV); in exynos_trng_init()
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Dhisi-trng-v2.c27 struct hisi_trng *trng; in hisi_trng_read() local
32 trng = container_of(rng, struct hisi_trng, rng); in hisi_trng_read()
35 ret = readl_poll_timeout(trng->base + HISI_TRNG_REG, val, in hisi_trng_read()
58 struct hisi_trng *trng; in hisi_trng_probe() local
61 trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL); in hisi_trng_probe()
62 if (!trng) in hisi_trng_probe()
65 trng->base = devm_platform_ioremap_resource(pdev, 0); in hisi_trng_probe()
66 if (IS_ERR(trng->base)) in hisi_trng_probe()
67 return PTR_ERR(trng->base); in hisi_trng_probe()
69 trng->rng.name = pdev->name; in hisi_trng_probe()
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Ds390-trng.c3 * s390 TRNG device driver
5 * Driver for the TRNG (true random number generation) command
12 #define KMSG_COMPONENT "trng"
29 MODULE_DESCRIPTION("s390 CPACF TRNG device driver");
32 /* trng related debug feature things */
42 /* trng helpers */
115 "trng: %llu\n" in trng_counter_show()
123 "trng: %llu\n" in trng_counter_show()
155 .name = "trng",
195 * The trng is suppost to have 100% entropy, and thus
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DMakefile17 obj-$(CONFIG_HW_RANDOM_EXYNOS) += exynos-trng.o
27 obj-$(CONFIG_HW_RANDOM_INGENIC_TRNG) += ingenic-trng.o
33 obj-$(CONFIG_HW_RANDOM_HISI_V2) += hisi-trng-v2.o
43 obj-$(CONFIG_HW_RANDOM_S390) += s390-trng.o
48 obj-$(CONFIG_HW_RANDOM_XIPHERA) += xiphera-trng.o
Dpic32-rng.c43 * The TRNG can generate up to 24Mbps. This is a timeout that should be safe
44 * enough given the instructions in the loop and that the TRNG may not always
60 /* TRNG value comes through the seed registers */ in pic32_rng_read()
92 /* enable TRNG in enhanced mode */ in pic32_rng_probe()
Dks-sa-rng.c28 /* TRNG enable control in SA System module*/
31 /* TRNG start control in TRNG module */
139 /* Disable all interrupts from TRNG */ in ks_sa_rng_init()
DKconfig295 module will be called ingenic-trng.
360 module will be called hisi-trng-v2.
375 tristate "APM X-Gene True Random Number Generator (TRNG) support"
465 module will be called s390-trng.
478 will be called exynos-trng.
537 module will be called xiphera-trng.
Dcctrng.c38 /* The timeout for the TRNG operation should be calculated with the formula:
394 /* trigger trng hw with next rosc */ in cc_trng_compwork_handler()
699 { .compatible = "arm,cryptocell-713-trng", },
700 { .compatible = "arm,cryptocell-703-trng", },
732 MODULE_DESCRIPTION("ARM CryptoCell TRNG Driver");
Dba431-rng.c202 dev_info(&pdev->dev, "BA431 TRNG registered\n"); in ba431_trng_probe()
234 MODULE_DESCRIPTION("TRNG driver for Silex Insight BA431");
/Linux-v5.10/drivers/crypto/allwinner/sun8i-ce/
Dsun8i-ce-trng.c3 * sun8i-ce-trng.c - hardware cryptographic offloader for
8 * This file handle the TRNG
17 * Note that according to the algorithm ID, 2 versions of the TRNG exists,
35 ce = container_of(rng, struct sun8i_ce_dev, trng); in sun8i_ce_trng_read()
70 common = ce->variant->trng | CE_COMM_INT; in sun8i_ce_trng_read()
86 err = sun8i_ce_run_task(ce, 3, "TRNG"); in sun8i_ce_trng_read()
108 if (ce->variant->trng == CE_ID_NOTSUPP) { in sun8i_ce_hwrng_register()
109 dev_info(ce->dev, "TRNG not supported\n"); in sun8i_ce_hwrng_register()
112 ce->trng.name = "sun8i Crypto Engine TRNG"; in sun8i_ce_hwrng_register()
113 ce->trng.read = sun8i_ce_trng_read; in sun8i_ce_hwrng_register()
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Dsun8i-ce.h135 * @trng_t_dlen_in_bytes: Does the request size for TRNG is in
140 * @trng: The CE_ALG_XXX value for the TRNG
153 unsigned char trng; member
230 struct hwrng trng; member
DMakefile5 sun8i-ce-$(CONFIG_CRYPTO_DEV_SUN8I_CE_TRNG) += sun8i-ce-trng.o
/Linux-v5.10/drivers/crypto/amcc/
Dcrypto4xx_trng.c74 struct device_node *trng = NULL; in ppc4xx_trng_probe() local
78 /* Find the TRNG device node and map it */ in ppc4xx_trng_probe()
79 trng = of_find_matching_node(NULL, ppc4xx_trng_match); in ppc4xx_trng_probe()
80 if (!trng || !of_device_is_available(trng)) { in ppc4xx_trng_probe()
81 of_node_put(trng); in ppc4xx_trng_probe()
85 dev->trng_base = of_iomap(trng, 0); in ppc4xx_trng_probe()
86 of_node_put(trng); in ppc4xx_trng_probe()
98 core_dev->trng = rng; in ppc4xx_trng_probe()
101 err = devm_hwrng_register(core_dev->device, core_dev->trng); in ppc4xx_trng_probe()
114 core_dev->trng = NULL; in ppc4xx_trng_probe()
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/Linux-v5.10/Documentation/devicetree/bindings/rng/
Datmel-trng.txt1 Atmel TRNG (True Random Number Generator) block
4 - compatible : Should be "atmel,at91sam9g45-trng" or "microchip,sam9x60-trng"
6 - interrupts : the interrupt number for the TRNG block
7 - clocks: should contain the TRNG clk source
11 trng@fffcc000 {
12 compatible = "atmel,at91sam9g45-trng";
Darm-cctrng.yaml7 title: Arm TrustZone CryptoCell TRNG engine
13 Arm TrustZone CryptoCell TRNG (True Random Number Generator) engine.
18 - arm,cryptocell-713-trng
19 - arm,cryptocell-703-trng
29 Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators.
48 compatible = "arm,cryptocell-713-trng";
Dxiphera,xip8001b-trng.yaml4 $id: http://devicetree.org/schemas/rng/xiphera,xip8001b-trng.yaml#
7 title: Xiphera XIP8001B-trng bindings
17 const: xiphera,xip8001b-trng
31 compatible = "xiphera,xip8001b-trng";
Dsamsung,exynos5250-trng.txt5 - compatible : Should be "samsung,exynos5250-trng".
13 compatible = "samsung,exynos5250-trng";
Dingenic,trng.yaml4 $id: http://devicetree.org/schemas/rng/ingenic,trng.yaml#
37 dtrng: trng@10072000 {
Domap_rng.txt15 - clocks: the trng clock source. Only mandatory for the
33 trng: rng@f2760000 {
/Linux-v5.10/arch/arm/boot/dts/
Dexynos5.dtsi218 trng: rng@10830600 { label
219 compatible = "samsung,exynos5250-trng";
/Linux-v5.10/Documentation/devicetree/bindings/crypto/
Dsamsung-sss.yaml25 -- True Random Number Generator (TRNG)
/Linux-v5.10/arch/s390/crypto/
Dprng.c397 * Trng available, so use it. The trng works in chunks of in prng_sha512_instantiate()
405 * No trng available, so use the generate_entropy() function. in prng_sha512_instantiate()
456 /* trng produces 256 bits entropy in 32 bytes */ in prng_sha512_reseed()
829 /* check if TRNG subfunction is available */ in prng_init()

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