upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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61 lines
1.2 KiB
61 lines
1.2 KiB
10 years ago
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/*
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* (C) Copyright 2014 Freescale Semiconductor, Inc.
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* Author: Ruchika Gupta <ruchika.gupta@freescale.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <config.h>
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#include <common.h>
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#include <dm.h>
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#include <asm/types.h>
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#include <malloc.h>
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#include "jobdesc.h"
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#include "desc.h"
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#include "jr.h"
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#include "rsa_caam.h"
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#include <u-boot/rsa-mod-exp.h>
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int fsl_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
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struct key_prop *prop, uint8_t *out)
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{
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uint32_t keylen;
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struct pk_in_params pkin;
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uint32_t desc[MAX_CAAM_DESCSIZE];
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int ret;
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/* Length in bytes */
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keylen = prop->num_bits / 8;
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pkin.a = sig;
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pkin.a_siz = sig_len;
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pkin.n = prop->modulus;
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pkin.n_siz = keylen;
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pkin.e = prop->public_exponent;
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pkin.e_siz = prop->exp_len;
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inline_cnstr_jobdesc_pkha_rsaexp(desc, &pkin, out, sig_len);
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ret = run_descriptor_jr(desc);
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if (ret) {
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debug("%s: RSA failed to verify: %d\n", __func__, ret);
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return -EFAULT;
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}
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return 0;
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}
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static const struct mod_exp_ops fsl_mod_exp_ops = {
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.mod_exp = fsl_mod_exp,
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};
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U_BOOT_DRIVER(fsl_rsa_mod_exp) = {
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.name = "fsl_rsa_mod_exp",
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.id = UCLASS_MOD_EXP,
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.ops = &fsl_mod_exp_ops,
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};
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U_BOOT_DEVICE(fsl_rsa) = {
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.name = "fsl_rsa_mod_exp",
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};
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